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    SubjectRe: [PATCH v4 7/7] arm64: dts: exynos: Add initial device tree support for Exynos7885 SoC
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    Date
    On Tue, 2021-12-07 at 22:19 +0200, Sam Protsenko wrote:
    > On Mon, 6 Dec 2021 at 17:32, David Virag <virag.david003@gmail.com>
    > wrote:
    > >
    > > Add initial Exynos7885 device tree nodes with dts for the Samsung
    > > Galaxy
    > > A8 (2018), a.k.a. "jackpotlte", with model number "SM-A530F".
    > > Currently this includes some clock support, UART support, and I2C
    > > nodes.
    > >
    > > Signed-off-by: David Virag <virag.david003@gmail.com>
    > > ---
    > > Changes in v2:
    > >   - Remove address-cells, and size-cells from dts, since they are
    > >     already in the dtsi.
    > >   - Lower case hex in memory node
    > >   - Fix node names with underscore instead of hyphen
    > >   - Fix line breaks
    > >   - Fix "-key" missing from gpio keys node names
    > >   - Use the form without "key" in gpio key labels on all keys
    > >   - Suffix pin configuration node names with "-pins"
    > >   - Remove "fimc_is_mclk" nodes from pinctrl dtsi for now
    > >   - Use macros for "samsung,pin-con-pdn", and "samsung,pin-con-pdn"
    > >   - Add comment about Arm PMU
    > >   - Rename "clock-oscclk" to "osc-clock"
    > >   - Include exynos-syscon-restart.dtsi instead of rewriting its
    > > contents
    > >
    > > Changes in v3:
    > >   - Fix typo (seperate -> separate)
    > >
    > > Changes in v4:
    > >   - Fixed leading 0x in clock-controller nodes
    > >   - Actually suffixed pin configuration node names with "-pins"
    > >   - Seperated Cortex-A53 and Cortex-A73 PMU
    > >
    > >  arch/arm64/boot/dts/exynos/Makefile           |   7 +-
    > >  .../boot/dts/exynos/exynos7885-jackpotlte.dts |  95 ++
    > >  .../boot/dts/exynos/exynos7885-pinctrl.dtsi   | 865
    > > ++++++++++++++++++
    > >  arch/arm64/boot/dts/exynos/exynos7885.dtsi    | 438 +++++++++
    > >  4 files changed, 1402 insertions(+), 3 deletions(-)
    > >  create mode 100644 arch/arm64/boot/dts/exynos/exynos7885-
    > > jackpotlte.dts
    >
    > Shouldn't SoC and board files be sent as two separate patches? For
    > example, I've checked exynos5433 and exynos7, SoC support

    For some reason I remembered ExynosAutoV9 sending them together but I
    was wrong, will seperate in the future.

    >
    > >  create mode 100644 arch/arm64/boot/dts/exynos/exynos7885-
    > > pinctrl.dtsi
    > >  create mode 100644 arch/arm64/boot/dts/exynos/exynos7885.dtsi
    > >
    > > diff --git a/arch/arm64/boot/dts/exynos/Makefile
    > > b/arch/arm64/boot/dts/exynos/Makefile
    > > index b41e86df0a84..c68c4ad577ac 100644
    > > --- a/arch/arm64/boot/dts/exynos/Makefile
    > > +++ b/arch/arm64/boot/dts/exynos/Makefile
    > > @@ -1,6 +1,7 @@
    > >  # SPDX-License-Identifier: GPL-2.0
    > >  dtb-$(CONFIG_ARCH_EXYNOS) += \
    > > -       exynos5433-tm2.dtb      \
    > > -       exynos5433-tm2e.dtb     \
    > > -       exynos7-espresso.dtb    \
    > > +       exynos5433-tm2.dtb              \
    > > +       exynos5433-tm2e.dtb             \
    > > +       exynos7-espresso.dtb            \
    > > +       exynos7885-jackpotlte.dtb       \
    > >         exynosautov9-sadk.dtb
    > > diff --git a/arch/arm64/boot/dts/exynos/exynos7885-jackpotlte.dts
    > > b/arch/arm64/boot/dts/exynos/exynos7885-jackpotlte.dts
    > > new file mode 100644
    > > index 000000000000..f5941dc4c374
    > > --- /dev/null
    > > +++ b/arch/arm64/boot/dts/exynos/exynos7885-jackpotlte.dts
    > > @@ -0,0 +1,95 @@
    > > +// SPDX-License-Identifier: GPL-2.0
    > > +/*
    > > + * Samsung Galaxy A8 2018 (jackpotlte/SM-A530F) device tree source
    > > + *
    > > + * Copyright (c) 2021 Samsung Electronics Co., Ltd.
    > > + * Copyright (c) 2021 Dávid Virág
    > > + *
    >
    > This line is not needed.
    >
    > > + */
    > > +
    > > +/dts-v1/;
    >
    > Suggest adding empty line here.
    >
    > > +#include "exynos7885.dtsi"
    > > +#include <dt-bindings/gpio/gpio.h>
    > > +#include <dt-bindings/input/input.h>
    > > +#include <dt-bindings/interrupt-controller/irq.h>
    > > +
    > > +/ {
    > > +       model = "Samsung Galaxy A8 (2018)";
    > > +       compatible = "samsung,jackpotlte", "samsung,exynos7885";
    > > +       chassis-type = "handset";
    > > +
    > > +       aliases {
    > > +               serial0 = &serial_0;
    > > +               serial1 = &serial_1;
    > > +               serial2 = &serial_2;
    >
    > Suggestion: add aliases also for i2c nodes, to keep i2c instance
    > numbers fixed in run-time (e.g. in "i2cdetect -l" output).
    >
    > > +       };
    > > +
    > > +       chosen {
    > > +               stdout-path = &serial_2;
    > > +       };
    > > +
    > > +       memory@80000000 {
    > > +               device_type = "memory";
    > > +               reg = <0x0 0x80000000 0x3da00000>,
    > > +                     <0x0 0xc0000000 0x40000000>,
    > > +                     <0x8 0x80000000 0x40000000>;
    > > +       };
    > > +
    > > +       gpio-keys {
    > > +               compatible = "gpio-keys";
    > > +               pinctrl-names = "default";
    > > +               pinctrl-0 = <&key_volup &key_voldown &key_power>;
    > > +
    > > +               volup-key {
    > > +                       label = "Volume Up";
    > > +                       interrupts = <5 IRQ_TYPE_LEVEL_HIGH 0>;
    >
    > Here and below: what is 0, why it's needed? Also, isn't it enough to
    > have just "gpios", and remove interrupt*? Need to check "gpio-keys"
    > driver and bindings doc, but AFAIR it should be enough to have just
    > "gpios =" or just "interrupts =".

    Well, if we have both an interrupt and gpio access, why not provide
    both? According to the documentation, `Specifying both properties is
    allowed.`

    >
    >
    > > +                       interrupt-parent = <&gpa1>;
    > > +                       linux,code = <KEY_VOLUMEUP>;
    > > +                       gpios = <&gpa1 5 GPIO_ACTIVE_LOW>;
    > > +               };
    > > +
    > > +               voldown-key {
    > > +                       label = "Volume Down";
    > > +                       interrupts = <6 IRQ_TYPE_LEVEL_HIGH 0>;
    > > +                       interrupt-parent = <&gpa1>;
    > > +                       linux,code = <KEY_VOLUMEDOWN>;
    > > +                       gpios = <&gpa1 6 GPIO_ACTIVE_LOW>;
    > > +               };
    > > +
    > > +               power-key {
    > > +                       label = "Power";
    > > +                       interrupts = <7 IRQ_TYPE_LEVEL_HIGH 0>;
    > > +                       interrupt-parent = <&gpa1>;
    > > +                       linux,code = <KEY_POWER>;
    > > +                       gpios = <&gpa1 7 GPIO_ACTIVE_LOW>;
    > > +                       wakeup-source;
    > > +               };
    > > +       };
    > > +};
    > > +
    >
    > If there are some LEDs by chance on that board -- it might be useful
    > to define those here with "gpio-leds" as well. Maybe even set some
    > default trigger like "heartbeat".

    There is a front RGB led, but IIRC that is accessed through the S2MU004
    MFD using I2C. There's also a rear "ktd2692" flash, which might or
    might not be controllable using that, will need to check that one.

    >
    > > +&serial_2 {
    > > +       status = "okay";
    > > +};
    > > +
    > > +&pinctrl_alive {
    > > +       key_volup: key-volup-pins {
    > > +               samsung,pins = "gpa1-5";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_F>;
    >
    > Maybe EXYNOS_PIN_FUNC_EINT is more self-explanatory? Just a
    > suggestion though.

    Was wondering about this too, but a quick grep showed that
    EXYNOS_PIN_FUNC_EINT was not used in any dts, and in fact only used in
    "drivers/pinctrl/samsung/pinctrl-exynos.c". The one that was used in
    dts/dtsis is EXYNOS_PIN_FUNC_F.

    >
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +               samsung,pin-drv = <0>;
    >
    > Here and below: please use EXYNOS5420_PIN_DRV_LV1 (means drive level
    > = 1x).

    Just found "exynos_gpio_config_macros.dtsi" in the downstream code not
    long ago, I guess you are right!

    >
    > > +       };
    > > +
    > > +       key_voldown: key-voldown-pins {
    > > +               samsung,pins = "gpa1-6";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_F>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +               samsung,pin-drv = <0>;
    > > +       };
    > > +
    > > +       key_power: key-power-pins {
    > > +               samsung,pins = "gpa1-7";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_F>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +               samsung,pin-drv = <0>;
    > > +       };
    > > +};
    > > diff --git a/arch/arm64/boot/dts/exynos/exynos7885-pinctrl.dtsi
    > > b/arch/arm64/boot/dts/exynos/exynos7885-pinctrl.dtsi
    > > new file mode 100644
    > > index 000000000000..8336b2e48858
    > > --- /dev/null
    > > +++ b/arch/arm64/boot/dts/exynos/exynos7885-pinctrl.dtsi
    > > @@ -0,0 +1,865 @@
    > > +// SPDX-License-Identifier: GPL-2.0
    > > +/*
    > > + * Samsung Exynos7885 SoC pin-mux and pin-config device tree
    > > source
    > > + *
    > > + * Copyright (c) 2017 Samsung Electronics Co., Ltd.
    > > + * Copyright (c) 2021 Dávid Virág
    > > + *
    > > + * Samsung's Exynos7885 SoC pin-mux and pin-config options are
    > > listed as
    > > + * device tree nodes in this file.
    > > + */
    > > +
    > > +#include <dt-bindings/pinctrl/samsung.h>
    >
    > You probably also need <dt-bindings/interrupt-controller/arm-gic.h>
    > here for GIC_SPI definition.

    Good catch! Will add it!

    >
    > > +
    > > +&pinctrl_alive {
    > > +       etc0: etc0 {
    > > +               gpio-controller;
    > > +               #gpio-cells = <2>;
    > > +
    > > +               interrupt-controller;
    > > +               #interrupt-cells = <2>;
    > > +       };
    > > +
    > > +       etc1: etc1 {
    > > +               gpio-controller;
    > > +               #gpio-cells = <2>;
    > > +
    > > +               interrupt-controller;
    > > +               #interrupt-cells = <2>;
    > > +       };
    >
    > Hmm, what are these two? I can't find anything related in
    > exynos7885.dtsi. If it's just some leftover from downstream vendor
    > kernel -- please remove it.

    They are real pins (as in they do something inside the SoC for sure),
    but don't seem to be used for much. Some dtsis show "AP_JTAG_TRST_N"
    being on etc0-0. I'm guessing these are some kind of debug pins? Have
    you seen anything about them on the 850?

    >
    > > +
    > > +       gpa0: gpa0 {
    > > +               gpio-controller;
    > > +               #gpio-cells = <2>;
    > > +
    > > +               interrupt-controller;
    > > +               #interrupt-cells = <2>;
    > > +               interrupt-parent = <&gic>;
    > > +               interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>,
    > > +                            <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>,
    > > +                            <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>,
    > > +                            <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>,
    > > +                            <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>,
    > > +                            <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>,
    > > +                            <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>,
    > > +                            <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
    > > +       };
    > > +
    > > +       gpa1: gpa1 {
    > > +               gpio-controller;
    > > +               #gpio-cells = <2>;
    > > +
    > > +               interrupt-controller;
    > > +               #interrupt-cells = <3>;
    > > +               interrupt-parent = <&gic>;
    > > +               interrupts = <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
    > > +                            <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>,
    > > +                            <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>,
    > > +                            <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>,
    > > +                            <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>,
    > > +                            <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>,
    > > +                            <GIC_SPI 14 IRQ_TYPE_LEVEL_HIGH>,
    > > +                            <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;
    > > +       };
    > > +
    > > +       gpa2: gpa2 {
    > > +               gpio-controller;
    > > +               #gpio-cells = <2>;
    > > +
    > > +               interrupt-controller;
    > > +               #interrupt-cells = <2>;
    > > +       };
    > > +
    > > +       gpq0: gpq0 {
    > > +               gpio-controller;
    > > +               #gpio-cells = <2>;
    > > +
    > > +               interrupt-controller;
    > > +               #interrupt-cells = <2>;
    > > +       };
    > > +
    > > +       sim1_det_gpio: sim1-det-gpio-pins {
    > > +               samsung,pins = "gpa2-5";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_F>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +       };
    > > +
    > > +       sim0_det_gpio: sim0-det-gpio-pins {
    > > +               samsung,pins = "gpa2-6";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_F>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +       };
    > > +
    > > +       speedy_bus: speedy-bus-pins {
    > > +               samsung,pins = "gpq0-2";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-con-pdn = <EXYNOS_PIN_PDN_PREV>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
    > > +               samsung,pin-drv = <0>;
    >
    > Here and below: suggest using EXYNOS5420_PIN_DRV_LV* constants. Then
    > stuff like "sd1_clk_fast_slew_rate_4x" is going to make sense.
    >
    > > +       };
    > > +
    > > +       /* UART_DEBUG */
    > > +       uart2_bus: uart2-bus-pins {
    > > +               samsung,pins = "gpq0-4", "gpq0-3";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +       };
    > > +};
    > > +
    > > +&pinctrl_dispaud {
    > > +       gpb0: gpb0 {
    > > +               gpio-controller;
    > > +               #gpio-cells = <2>;
    > > +
    > > +               interrupt-controller;
    > > +               #interrupt-cells = <2>;
    > > +       };
    > > +
    > > +       gpb1: gpb1 {
    > > +               gpio-controller;
    > > +               #gpio-cells = <2>;
    > > +
    > > +               interrupt-controller;
    > > +               #interrupt-cells = <2>;
    > > +       };
    > > +
    > > +       gpb2: gpb2 {
    > > +               gpio-controller;
    > > +               #gpio-cells = <2>;
    > > +
    > > +               interrupt-controller;
    > > +               #interrupt-cells = <2>;
    > > +       };
    > > +
    > > +       aud_codec_mclk: aud-codec-mclk-pins {
    > > +               samsung,pins = "gpb0-0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
    > > +       };
    > > +
    > > +       aud_codec_mclk_idle: aud-codec-mclk-idle-pins {
    > > +               samsung,pins = "gpb0-0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
    > > +       };
    > > +
    > > +       aud_codec_bus: aud-codec-bus-pins {
    > > +               samsung,pins = "gpb0-1", "gpb0-2", "gpb0-3", "gpb0-
    > > 4";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
    > > +       };
    > > +
    > > +       aud_codec_bus_idle: aud-codec-bus-idle-pins {
    > > +               samsung,pins = "gpb0-1", "gpb0-2", "gpb0-3", "gpb0-
    > > 4";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
    > > +       };
    > > +
    > > +       aud_loopback_bus: aud-loopback-bus-pins {
    > > +               samsung,pins = "gpb1-0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
    > > +       };
    > > +
    > > +       aud_loopback_bus_idle: aud-loopback-bus-idle-pins {
    > > +               samsung,pins = "gpb1-0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
    > > +       };
    > > +
    > > +       aud_fm_bus: aud-fm-bus-pins {
    > > +               samsung,pins = "gpb1-1", "gpb1-2", "gpb1-3";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
    > > +       };
    > > +
    > > +       aud_fm_bus_idle: aud-fm-bus-idle-pins {
    > > +               samsung,pins = "gpb1-1", "gpb1-2", "gpb1-3";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
    > > +       };
    > > +
    > > +       aud_spk_bus: aud-spk-bus-pins {
    > > +               samsung,pins = "gpb2-0", "gpb2-1", "gpb2-2", "gpb2-
    > > 3";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
    > > +       };
    > > +
    > > +       aud_spk_bus_idle: aud-spk-bus-idle-pins {
    > > +               samsung,pins = "gpb2-0", "gpb2-1", "gpb2-2", "gpb2-
    > > 3";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
    > > +       };
    > > +};
    > > +
    > > +&pinctrl_fsys {
    > > +       gpf0: gpf0 {
    > > +               gpio-controller;
    > > +               #gpio-cells = <2>;
    > > +
    > > +               interrupt-controller;
    > > +               #interrupt-cells = <2>;
    > > +       };
    > > +
    > > +       gpf2: gpf2 {
    > > +               gpio-controller;
    > > +               #gpio-cells = <2>;
    > > +
    > > +               interrupt-controller;
    > > +               #interrupt-cells = <2>;
    > > +       };
    > > +
    > > +       gpf3: gpf3 {
    > > +               gpio-controller;
    > > +               #gpio-cells = <2>;
    > > +
    > > +               interrupt-controller;
    > > +               #interrupt-cells = <2>;
    > > +       };
    > > +
    > > +       gpf4: gpf4 {
    > > +               gpio-controller;
    > > +               #gpio-cells = <2>;
    > > +
    > > +               interrupt-controller;
    > > +               #interrupt-cells = <2>;
    > > +       };
    > > +
    > > +       sd0_clk: sd0-clk-pins {
    > > +               samsung,pins = "gpf0-0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +               samsung,pin-drv = <3>;
    > > +       };
    > > +
    > > +       sd0_clk_fast_slew_rate_1x: sd0-clk-fast-slew-rate-1x-pins {
    > > +               samsung,pins = "gpf0-0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +               samsung,pin-drv = <0>;
    > > +       };
    > > +
    > > +       sd0_clk_fast_slew_rate_2x: sd0-clk-fast-slew-rate-2x-pins {
    > > +               samsung,pins = "gpf0-0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +               samsung,pin-drv = <1>;
    > > +       };
    > > +
    > > +       sd0_clk_fast_slew_rate_3x: sd0-clk-fast-slew-rate-3x-pins {
    > > +               samsung,pins = "gpf0-0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +               samsung,pin-drv = <2>;
    > > +       };
    > > +
    > > +       sd0_clk_fast_slew_rate_4x: sd0-clk-fast-slew-rate-4x-pins {
    > > +               samsung,pins = "gpf0-0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +               samsung,pin-drv = <3>;
    > > +       };
    > > +
    > > +       sd0_cmd: sd0-cmd-pins {
    > > +               samsung,pins = "gpf0-1";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
    > > +               samsung,pin-drv = <3>;
    > > +       };
    > > +
    > > +       sd0_rdqs: sd0-rdqs-pins {
    > > +               samsung,pins = "gpf0-2";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
    > > +               samsung,pin-drv = <3>;
    > > +       };
    > > +
    > > +       sd0_bus1: sd0-bus-width1-pins {
    > > +               samsung,pins = "gpf2-0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
    > > +               samsung,pin-drv = <3>;
    > > +       };
    > > +
    > > +       sd0_bus4: sd0-bus-width4-pins {
    > > +               samsung,pins = "gpf2-1", "gpf2-2", "gpf2-3";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
    > > +               samsung,pin-drv = <3>;
    > > +       };
    > > +
    > > +       sd0_bus8: sd0-bus-width8-pins {
    > > +               samsung,pins = "gpf2-4", "gpf2-5", "gpf2-6", "gpf2-
    > > 7";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
    > > +               samsung,pin-drv = <3>;
    > > +       };
    > > +
    > > +       sd1_clk: sd1-clk-pins {
    > > +               samsung,pins = "gpf3-0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +               samsung,pin-drv = <2>;
    > > +       };
    > > +
    > > +       sd1_clk_fast_slew_rate_1x: sd1-clk-fast-slew-rate-1x-pins {
    > > +               samsung,pins = "gpf3-0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +               samsung,pin-drv = <0>;
    > > +       };
    > > +
    > > +       sd1_clk_fast_slew_rate_2x: sd1-clk-fast-slew-rate-2x-pins {
    > > +               samsung,pins = "gpf3-0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +               samsung,pin-drv = <1>;
    > > +       };
    > > +
    > > +       sd1_clk_fast_slew_rate_3x: sd1-clk-fast-slew-rate-3x-pins {
    > > +               samsung,pins = "gpf3-0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +               samsung,pin-drv = <2>;
    > > +       };
    > > +
    > > +       sd1_clk_fast_slew_rate_4x: sd1-clk-fast-slew-rate-4x-pins {
    > > +               samsung,pins = "gpf3-0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +               samsung,pin-drv = <3>;
    > > +       };
    > > +
    > > +       sd1_cmd: sd1-cmd-pins {
    > > +               samsung,pins = "gpf3-1";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
    > > +               samsung,pin-drv = <2>;
    > > +       };
    > > +
    > > +       sd1_bus1: sd1-bus-width1-pins {
    > > +               samsung,pins = "gpf3-2";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
    > > +               samsung,pin-drv = <2>;
    > > +       };
    > > +
    > > +       sd1_bus4: sd1-bus-width4-pins {
    > > +               samsung,pins = "gpf3-3", "gpf3-5";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
    > > +               samsung,pin-drv = <2>;
    > > +       };
    > > +
    > > +       sd2_clk: sd2-clk-pins {
    > > +               samsung,pins = "gpf4-0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +               samsung,pin-drv = <2>;
    > > +       };
    > > +
    > > +       sd2_clk_fast_slew_rate_1x: sd2-clk-fast-slew-rate-1x-pins {
    > > +               samsung,pins = "gpf4-0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +               samsung,pin-drv = <0>;
    > > +       };
    > > +
    > > +       sd2_clk_fast_slew_rate_2x: sd2-clk-fast-slew-rate-2x-pins {
    > > +               samsung,pins = "gpf4-0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +               samsung,pin-drv = <1>;
    > > +       };
    > > +
    > > +       sd2_clk_fast_slew_rate_3x: sd2-clk-fast-slew-rate-3x-pins {
    > > +               samsung,pins = "gpf4-0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +               samsung,pin-drv = <2>;
    > > +       };
    > > +
    > > +       sd2_clk_fast_slew_rate_4x: sd2-clk-fast-slew-rate-4x-pins {
    > > +               samsung,pins = "gpf4-0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +               samsung,pin-drv = <3>;
    > > +       };
    > > +
    > > +       sd2_cmd: sd2-cmd-pins {
    > > +               samsung,pins = "gpf4-1";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
    > > +               samsung,pin-drv = <2>;
    > > +       };
    > > +
    > > +       sd2_bus1: sd2-bus-width1-pins {
    > > +               samsung,pins = "gpf4-2";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
    > > +               samsung,pin-drv = <2>;
    > > +       };
    > > +
    > > +       sd2_bus4: sd2-bus-width4-pins {
    > > +               samsung,pins = "gpf4-3", "gpf4-4", "gpf4-5";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
    > > +               samsung,pin-drv = <2>;
    > > +       };
    > > +};
    > > +
    > > +&pinctrl_top {
    > > +       gpc0: gpc0 {
    > > +               gpio-controller;
    > > +               #gpio-cells = <2>;
    > > +
    > > +               interrupt-controller;
    > > +               #interrupt-cells = <2>;
    > > +       };
    > > +
    > > +       gpc1: gpc1 {
    > > +               gpio-controller;
    > > +               #gpio-cells = <2>;
    > > +
    > > +               interrupt-controller;
    > > +               #interrupt-cells = <2>;
    > > +       };
    > > +
    > > +       gpc2: gpc2 {
    > > +               gpio-controller;
    > > +               #gpio-cells = <2>;
    > > +
    > > +               interrupt-controller;
    > > +               #interrupt-cells = <2>;
    > > +       };
    > > +
    > > +       gpg0: gpg0 {
    > > +               gpio-controller;
    > > +               #gpio-cells = <2>;
    > > +
    > > +               interrupt-controller;
    > > +               #interrupt-cells = <2>;
    > > +       };
    > > +
    > > +       gpg1: gpg1 {
    > > +               gpio-controller;
    > > +               #gpio-cells = <2>;
    > > +
    > > +               interrupt-controller;
    > > +               #interrupt-cells = <2>;
    > > +       };
    > > +
    > > +       gpg2: gpg2 {
    > > +               gpio-controller;
    > > +               #gpio-cells = <2>;
    > > +
    > > +               interrupt-controller;
    > > +               #interrupt-cells = <2>;
    > > +       };
    > > +
    > > +       gpg3: gpg3 {
    > > +               gpio-controller;
    > > +               #gpio-cells = <2>;
    > > +
    > > +               interrupt-controller;
    > > +               #interrupt-cells = <2>;
    > > +       };
    > > +
    > > +       gpg4: gpg4 {
    > > +               gpio-controller;
    > > +               #gpio-cells = <2>;
    > > +
    > > +               interrupt-controller;
    > > +               #interrupt-cells = <2>;
    > > +       };
    > > +
    > > +       gpp0: gpp0 {
    > > +               gpio-controller;
    > > +               #gpio-cells = <2>;
    > > +
    > > +               interrupt-controller;
    > > +               #interrupt-cells = <2>;
    > > +       };
    > > +
    > > +       gpp1: gpp1 {
    > > +               gpio-controller;
    > > +               #gpio-cells = <2>;
    > > +
    > > +               interrupt-controller;
    > > +               #interrupt-cells = <2>;
    > > +       };
    > > +
    > > +       gpp2: gpp2 {
    > > +               gpio-controller;
    > > +               #gpio-cells = <2>;
    > > +
    > > +               interrupt-controller;
    > > +               #interrupt-cells = <2>;
    > > +       };
    > > +
    > > +       gpp3: gpp3 {
    > > +               gpio-controller;
    > > +               #gpio-cells = <2>;
    > > +
    > > +               interrupt-controller;
    > > +               #interrupt-cells = <2>;
    > > +       };
    > > +
    > > +       gpp4: gpp4 {
    > > +               gpio-controller;
    > > +               #gpio-cells = <2>;
    > > +
    > > +               interrupt-controller;
    > > +               #interrupt-cells = <2>;
    > > +       };
    > > +
    > > +       gpp5: gpp5 {
    > > +               gpio-controller;
    > > +               #gpio-cells = <2>;
    > > +
    > > +               interrupt-controller;
    > > +               #interrupt-cells = <2>;
    > > +       };
    > > +
    > > +       gpp6: gpp6 {
    > > +               gpio-controller;
    > > +               #gpio-cells = <2>;
    > > +
    > > +               interrupt-controller;
    > > +               #interrupt-cells = <2>;
    > > +       };
    > > +
    > > +       gpp7: gpp7 {
    > > +               gpio-controller;
    > > +               #gpio-cells = <2>;
    > > +
    > > +               interrupt-controller;
    > > +               #interrupt-cells = <2>;
    > > +       };
    > > +
    > > +       gpp8: gpp8 {
    > > +               gpio-controller;
    > > +               #gpio-cells = <2>;
    > > +
    > > +               interrupt-controller;
    > > +               #interrupt-cells = <2>;
    > > +       };
    > > +
    > > +       /* DECON TE */
    > > +       decon_f_te_on: decon_f_te_on-pins {
    > > +               samsung,pins = "gpc0-3";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_F>;
    > > +       };
    > > +
    > > +       decon_f_te_off: decon_f_te_off-pins {
    > > +               samsung,pins = "gpc0-3";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>;
    > > +       };
    > > +
    > > +       hs_i2c0_bus: hs-i2c0-bus-pins {
    > > +               samsung,pins = "gpc1-1", "gpc1-0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-con-pdn = <EXYNOS_PIN_PDN_OUT1>;
    > > +               samsung,pin-pud-pdn = <EXYNOS_PIN_PULL_UP>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +               samsung,pin-drv = <0>;
    > > +       };
    > > +
    > > +       hs_i2c1_bus: hs-i2c1-bus-pins {
    > > +               samsung,pins = "gpc1-3", "gpc1-2";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +               samsung,pin-drv = <0>;
    > > +               samsung,pin-con-pdn = <EXYNOS_PIN_PDN_OUT1>;
    > > +               samsung,pin-pud-pdn = <EXYNOS_PIN_PULL_UP>;
    > > +       };
    > > +
    > > +       hs_i2c2_bus: hs-i2c2-bus-pins {
    > > +               samsung,pins = "gpc1-5", "gpc1-4";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +               samsung,pin-drv = <0>;
    > > +               samsung,pin-con-pdn = <EXYNOS_PIN_PDN_OUT1>;
    > > +               samsung,pin-pud-pdn = <EXYNOS_PIN_PULL_UP>;
    > > +       };
    > > +
    > > +       hs_i2c3_bus: hs-i2c3-bus-pins {
    > > +               samsung,pins = "gpc1-7", "gpc1-6";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +               samsung,pin-drv = <0>;
    > > +               samsung,pin-con-pdn = <EXYNOS_PIN_PDN_OUT1>;
    > > +               samsung,pin-pud-pdn = <EXYNOS_PIN_PULL_UP>;
    > > +       };
    > > +
    > > +       /* USI0 UART */
    > > +       uart3_bus_single: uart3-bus-single-pins {
    > > +               samsung,pins = "gpc2-3", "gpc2-2", "gpc2-1", "gpc2-
    > > 0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +       };
    > > +
    > > +       /* USI0 UART_HSI2C1 */
    > > +       uart3_bus_dual: uart3-bus-dual-pins {
    > > +               samsung,pins = "gpc2-1", "gpc2-0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +       };
    > > +
    > > +       /* USI0 HSI2C0 */
    > > +       hs_i2c4_bus: hs-i2c4-bus-pins {
    > > +               samsung,pins = "gpc2-1", "gpc2-0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +               samsung,pin-drv = <0>;
    > > +               samsung,pin-con-pdn = <EXYNOS_PIN_PDN_OUT1>;
    > > +               samsung,pin-pud-pdn = <EXYNOS_PIN_PULL_UP>;
    > > +       };
    > > +
    > > +       /* USI0 HSI2C1 */
    > > +       hs_i2c5_bus: hs-i2c5-bus-pins {
    > > +               samsung,pins = "gpc2-3", "gpc2-2";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +               samsung,pin-drv = <0>;
    > > +               samsung,pin-con-pdn = <EXYNOS_PIN_PDN_OUT1>;
    > > +               samsung,pin-pud-pdn = <EXYNOS_PIN_PULL_UP>;
    > > +       };
    > > +
    > > +       /* USI0 SPI */
    > > +       spi2_bus: spi2-bus-pins {
    > > +               samsung,pins = "gpc2-1", "gpc2-0", "gpc2-3";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
    > > +               samsung,pin-drv = <0>;
    > > +       };
    > > +
    > > +       spi2_cs: spi2-cs-pins {
    > > +               samsung,pins = "gpc2-2";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
    > > +               samsung,pin-drv = <0>;
    > > +       };
    > > +
    > > +       /* USI1 UART */
    > > +       uart4_bus_single: uart4-bus-single-pins {
    > > +               samsung,pins = "gpc2-7", "gpc2-6", "gpc2-5", "gpc2-
    > > 4";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +       };
    > > +
    > > +       /* USI1 UART_HSI2C1*/
    > > +       uart4_bus_dual: uart4-bus-dual-pins {
    > > +               samsung,pins = "gpc2-5", "gpc2-4";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +       };
    > > +
    > > +       /* USI1 HSI2C0 */
    > > +       hs_i2c6_bus: hs-i2c6-bus-pins {
    > > +               samsung,pins = "gpc2-5", "gpc2-4";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +               samsung,pin-drv = <0>;
    > > +               samsung,pin-con-pdn = <EXYNOS_PIN_PDN_OUT1>;
    > > +               samsung,pin-pud-pdn = <EXYNOS_PIN_PULL_UP>;
    > > +       };
    > > +
    > > +       /* USI1 HSI2C1 */
    > > +       hs_i2c7_bus: hs-i2c7-bus-pins {
    > > +               samsung,pins = "gpc2-7", "gpc2-6";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +               samsung,pin-drv = <0>;
    > > +               samsung,pin-con-pdn = <EXYNOS_PIN_PDN_OUT1>;
    > > +               samsung,pin-pud-pdn = <EXYNOS_PIN_PULL_UP>;
    > > +       };
    > > +
    > > +       /* USI1 SPI */
    > > +       spi3_bus: spi3-bus-pins {
    > > +               samsung,pins = "gpc2-5", "gpc2-4", "gpc2-7";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
    > > +               samsung,pin-drv = <0>;
    > > +       };
    > > +
    > > +       spi3_cs: spi3-cs-pins {
    > > +               samsung,pins = "gpc2-6";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
    > > +               samsung,pin-drv = <0>;
    > > +       };
    > > +
    > > +       fm_lna_en: fm-lna-en-pins {
    > > +               samsung,pins = "gpg0-2";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>;
    > > +               samsung,pin-con-pdn = <EXYNOS_PIN_PDN_PREV>;
    > > +               samsung,pin-pud-pdn = <EXYNOS_PIN_PULL_UP>;
    > > +               samsung,pin-val = <1>;
    > > +       };
    > > +
    > > +       uart1_bus: uart1-bus-pins {
    > > +               samsung,pins = "gpg1-3", "gpg1-2", "gpg1-1", "gpg1-
    > > 0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +       };
    > > +
    > > +       i2c7_bus: i2c7-bus-pins {
    > > +               samsung,pins = "gpg1-5", "gpg1-4";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
    > > +               samsung,pin-drv = <0>;
    > > +       };
    > > +
    > > +       aud_dmic_on: aud-dmic-on-pins {
    > > +               samsung,pins = "gpg2-1";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
    > > +               samsung,pin-con-pdn = <EXYNOS_PIN_PDN_PREV>;
    > > +               samsung,pin-val = <1>;
    > > +       };
    > > +
    > > +       aud_dmic_off: aud-dmic-off-pins {
    > > +               samsung,pins = "gpg2-1";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
    > > +               samsung,pin-con-pdn = <EXYNOS_PIN_PDN_PREV>;
    > > +               samsung,pin-val = <0>;
    > > +       };
    > > +
    > > +       /* UART_HEALTH */
    > > +       uart0_bus: uart0-bus-pins {
    > > +               samsung,pins = "gpp0-3", "gpp0-2", "gpp0-1", "gpp0-
    > > 0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +       };
    > > +
    > > +       i2c0_bus: i2c0-bus-pins {
    > > +               samsung,pins = "gpp1-1", "gpp1-0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-con-pdn = <EXYNOS_PIN_PDN_PREV>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
    > > +               samsung,pin-drv = <0>;
    > > +       };
    > > +
    > > +       i2c1_bus: i2c1-bus-pins {
    > > +               samsung,pins = "gpp1-3", "gpp1-2";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-con-pdn = <EXYNOS_PIN_PDN_PREV>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
    > > +               samsung,pin-drv = <0>;
    > > +       };
    > > +
    > > +       i2c2_bus: i2c2-bus-pins {
    > > +               samsung,pins = "gpp2-1", "gpp2-0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
    > > +               samsung,pin-drv = <0>;
    > > +       };
    > > +
    > > +       i2c3_bus: i2c3-bus-pins {
    > > +               samsung,pins = "gpp3-1", "gpp3-0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
    > > +               samsung,pin-drv = <0>;
    > > +       };
    > > +
    > > +       i2c4_bus: i2c4-bus-pins {
    > > +               samsung,pins = "gpp4-1", "gpp4-0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
    > > +               samsung,pin-drv = <0>;
    > > +       };
    > > +
    > > +       i2c5_bus: i2c5-bus-pins {
    > > +               samsung,pins = "gpp4-3", "gpp4-2";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
    > > +               samsung,pin-drv = <0>;
    > > +       };
    > > +
    > > +       i2c6_bus: i2c6-bus-pins {
    > > +               samsung,pins = "gpp4-5", "gpp4-4";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
    > > +               samsung,pin-drv = <0>;
    > > +       };
    > > +
    > > +       /* SPI_ESE */
    > > +       spi0_bus: spi0-bus-pins {
    > > +               samsung,pins = "gpp5-3", "gpp5-2", "gpp5-0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
    > > +               samsung,pin-drv = <0>;
    > > +       };
    > > +
    > > +       spi0_cs: spi0-cs-pins {
    > > +               samsung,pins = "gpp5-1";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
    > > +               samsung,pin-drv = <0>;
    > > +       };
    > > +
    > > +       /* SPI_FP */
    > > +       spi1_bus: spi1-bus-pins {
    > > +               samsung,pins = "gpp6-3", "gpp6-2", "gpp6-0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
    > > +               samsung,pin-drv = <0>;
    > > +       };
    > > +
    > > +       spi1_cs: spi1-cs-pins {
    > > +               samsung,pins = "gpp6-1";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
    > > +               samsung,pin-drv = <0>;
    > > +       };
    > > +
    > > +       /* USI2 UART */
    > > +       uart5_bus_single: uart5-bus-single-pins {
    > > +               samsung,pins = "gpp8-1", "gpp8-0", "gpp7-1", "gpp7-
    > > 0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +         };
    > > +
    > > +       /* USI2 UART_HSI2C1 */
    > > +       uart5_bus_dual: uart5-bus-dual-pins {
    > > +               samsung,pins = "gpp7-1", "gpp7-0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +       };
    > > +
    > > +       /* USI2 HSI2C0 */
    > > +       hs_i2c8_bus: hs-i2c8-bus-pins {
    > > +               samsung,pins = "gpp7-1", "gpp7-0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +               samsung,pin-drv = <0>;
    > > +               samsung,pin-con-pdn = <EXYNOS_PIN_PDN_OUT1>;
    > > +               samsung,pin-pud-pdn = <EXYNOS_PIN_PULL_UP>;
    > > +       };
    > > +
    > > +       /* USI2 HSI2C1 */
    > > +       hs_i2c9_bus: hs-i2c9-bus-pins {
    > > +               samsung,pins = "gpp8-1", "gpp8-0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
    > > +               samsung,pin-drv = <0>;
    > > +               samsung,pin-con-pdn = <EXYNOS_PIN_PDN_OUT1>;
    > > +               samsung,pin-pud-pdn = <EXYNOS_PIN_PULL_UP>;
    > > +       };
    > > +
    > > +       /* USI2 SPI */
    > > +       spi4_bus: spi4-bus-pins {
    > > +               samsung,pins = "gpp7-1", "gpp7-0", "gpp8-1";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
    > > +               samsung,pin-drv = <0>;
    > > +       };
    > > +
    > > +       spi4_cs: spi4-cs-pins {
    > > +               samsung,pins = "gpp8-0";
    > > +               samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>;
    > > +               samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
    > > +               samsung,pin-drv = <0>;
    > > +       };
    > > +};
    > > diff --git a/arch/arm64/boot/dts/exynos/exynos7885.dtsi
    > > b/arch/arm64/boot/dts/exynos/exynos7885.dtsi
    > > new file mode 100644
    > > index 000000000000..cc7a5ce0c103
    > > --- /dev/null
    > > +++ b/arch/arm64/boot/dts/exynos/exynos7885.dtsi
    > > @@ -0,0 +1,438 @@
    > > +// SPDX-License-Identifier: GPL-2.0
    > > +/*
    > > + * Samsung Exynos7885 SoC device tree source
    > > + *
    > > + * Copyright (c) 2021 Samsung Electronics Co., Ltd.
    > > + * Copyright (c) 2021 Dávid Virág
    > > + *
    >
    > This line is not needed.
    >
    > > + */
    > > +
    > > +#include <dt-bindings/clock/exynos7885.h>
    > > +#include <dt-bindings/interrupt-controller/arm-gic.h>
    > > +
    > > +/ {
    > > +       compatible = "samsung,exynos7885";
    > > +       #address-cells = <2>;
    > > +       #size-cells = <1>;
    > > +
    > > +       interrupt-parent = <&gic>;
    > > +
    > > +       aliases {
    > > +               pinctrl0 = &pinctrl_alive;
    > > +               pinctrl1 = &pinctrl_dispaud;
    > > +               pinctrl2 = &pinctrl_fsys;
    > > +               pinctrl3 = &pinctrl_top;
    > > +       };
    > > +
    > > +       arm-a53-pmu {
    > > +               compatible = "arm,cortex-a53-pmu";
    > > +               interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>,
    > > +                            <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>,
    > > +                            <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>,
    > > +                            <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>,
    > > +                            <GIC_SPI 218 IRQ_TYPE_LEVEL_HIGH>,
    > > +                            <GIC_SPI 219 IRQ_TYPE_LEVEL_HIGH>;
    > > +               interrupt-affinity = <&cpu0>,
    > > +                                    <&cpu1>,
    > > +                                    <&cpu2>,
    > > +                                    <&cpu3>,
    > > +                                    <&cpu4>,
    > > +                                    <&cpu5>;
    >
    > Maybe have cpu0..cpu3 on one line, and cpu4..cpu5 on second line?
    >
    > > +       };
    > > +
    > > +       arm-a73-pmu {
    > > +               compatible = "arm,cortex-a73-pmu";
    > > +               interrupts = <GIC_SPI 82 IRQ_TYPE_LEVEL_HIGH>,
    > > +                            <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
    > > +               interrupt-affinity = <&cpu6>,
    > > +                                    <&cpu7>;
    >
    > Both cpus can be on the same line here.
    >
    > > +       };
    > > +
    > > +       cpus {
    > > +               #address-cells = <1>;
    > > +               #size-cells = <0>;
    > > +
    > > +               cpu-map {
    > > +                       cluster0 {
    > > +                               core0 {
    > > +                                       cpu = <&cpu0>;
    > > +                               };
    > > +                               core1 {
    > > +                                       cpu = <&cpu1>;
    > > +                               };
    > > +                               core2 {
    > > +                                       cpu = <&cpu2>;
    > > +                               };
    > > +                               core3 {
    > > +                                       cpu = <&cpu3>;
    > > +                               };
    > > +                               core4 {
    > > +                                       cpu = <&cpu4>;
    > > +                               };
    > > +                               core5 {
    > > +                                       cpu = <&cpu5>;
    > > +                               };
    > > +                       };
    > > +
    > > +                       cluster1 {
    > > +                               core0 {
    > > +                                       cpu = <&cpu6>;
    > > +                               };
    > > +                               core1 {
    > > +                                       cpu = <&cpu7>;
    > > +                               };
    > > +                       };
    > > +               };
    > > +
    > > +               cpu0: cpu@100 {
    > > +                       device_type = "cpu";
    > > +                       compatible = "arm,cortex-a53";
    > > +                       reg = <0x100>;
    > > +                       enable-method = "psci";
    > > +               };
    > > +
    > > +               cpu1: cpu@101 {
    > > +                       device_type = "cpu";
    > > +                       compatible = "arm,cortex-a53";
    > > +                       reg = <0x101>;
    > > +                       enable-method = "psci";
    > > +               };
    > > +
    > > +               cpu2: cpu@102 {
    > > +                       device_type = "cpu";
    > > +                       compatible = "arm,cortex-a53";
    > > +                       reg = <0x102>;
    > > +                       enable-method = "psci";
    > > +               };
    > > +
    > > +               cpu3: cpu@103 {
    > > +                       device_type = "cpu";
    > > +                       compatible = "arm,cortex-a53";
    > > +                       reg = <0x103>;
    > > +                       enable-method = "psci";
    > > +               };
    > > +
    > > +               cpu4: cpu@200 {
    > > +                       device_type = "cpu";
    > > +                       compatible = "arm,cortex-a53";
    > > +                       reg = <0x200>;
    > > +                       enable-method = "psci";
    > > +               };
    > > +
    > > +               cpu5: cpu@201 {
    > > +                       device_type = "cpu";
    > > +                       compatible = "arm,cortex-a53";
    > > +                       reg = <0x201>;
    > > +                       enable-method = "psci";
    > > +               };
    > > +
    > > +               cpu6: cpu@0 {
    > > +                       device_type = "cpu";
    > > +                       compatible = "arm,cortex-a73";
    > > +                       reg = <0x0>;
    > > +                       enable-method = "psci";
    > > +               };
    > > +
    > > +               cpu7: cpu@1 {
    > > +                       device_type = "cpu";
    > > +                       compatible = "arm,cortex-a73";
    > > +                       reg = <0x1>;
    > > +                       enable-method = "psci";
    > > +               };
    > > +       };
    > > +
    > > +       psci {
    > > +               compatible = "arm,psci";
    > > +               method = "smc";
    > > +               cpu_suspend = <0xc4000001>;
    > > +               cpu_off = <0x84000002>;
    > > +               cpu_on = <0xc4000003>;
    > > +       };
    > > +
    > > +       timer {
    > > +               compatible = "arm,armv8-timer";
    > > +               /* Hypervisor Virtual Timer interrupt is not wired
    > > to GIC */
    > > +               interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(8) |
    > > IRQ_TYPE_LEVEL_LOW)>,
    > > +                            <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(8) |
    > > IRQ_TYPE_LEVEL_LOW)>,
    > > +                            <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(8) |
    > > IRQ_TYPE_LEVEL_LOW)>,
    > > +                            <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(8) |
    > > IRQ_TYPE_LEVEL_LOW)>;
    >
    > Can you please make it fit 80 characters per line?

    Sure, these are easy to miss.

    >
    > > +       };
    > > +
    > > +       fixed-rate-clocks {
    > > +               oscclk: osc-clock {
    > > +                       compatible = "fixed-clock";
    > > +                       #clock-cells = <0>;
    > > +                       clock-frequency = <26000000>;
    >
    > Hmm, maybe it's better to set this clock frequency in board dts?

    Well, every known 7885 device has 26000000 but I guess it does belong
    to the board dts.

    >
    > > +                       clock-output-names = "oscclk";
    > > +               };
    > > +       };
    > > +
    > > +       soc: soc@0 {
    > > +               compatible = "simple-bus";
    > > +               #address-cells = <1>;
    > > +               #size-cells = <1>;
    > > +               ranges = <0x0 0x0 0x0 0x20000000>;
    > > +
    > > +               chipid@10000000 {
    > > +                       compatible = "samsung,exynos850-chipid";
    > > +                       reg = <0x10000000 0x24>;
    > > +               };
    > > +
    > > +               gic: interrupt-controller@12301000 {
    > > +                       compatible = "arm,gic-400";
    > > +                       #interrupt-cells = <3>;
    > > +                       #address-cells = <0>;
    > > +                       interrupt-controller;
    > > +                       reg = <0x12301000 0x1000>,
    > > +                             <0x12302000 0x2000>,
    > > +                             <0x12304000 0x2000>,
    > > +                             <0x12306000 0x2000>;
    > > +                       interrupts = <GIC_PPI 9
    > > (GIC_CPU_MASK_SIMPLE(8) |
    > > +                                               
    > > IRQ_TYPE_LEVEL_HIGH)>;
    > > +               };
    > > +
    > > +               cmu_peri: clock-controller@10010000 {
    > > +                       compatible = "samsung,exynos7885-cmu-peri";
    > > +                       reg = <0x10010000 0x8000>;
    > > +                       #clock-cells = <1>;
    > > +
    > > +                       clocks = <&oscclk>,
    > > +                                <&cmu_top CLK_DOUT_PERI_BUS>,
    > > +                                <&cmu_top CLK_DOUT_PERI_SPI0>,
    > > +                                <&cmu_top CLK_DOUT_PERI_SPI1>,
    > > +                                <&cmu_top CLK_DOUT_PERI_UART0>,
    > > +                                <&cmu_top CLK_DOUT_PERI_UART1>,
    > > +                                <&cmu_top CLK_DOUT_PERI_UART2>,
    > > +                                <&cmu_top CLK_DOUT_PERI_USI0>,
    > > +                                <&cmu_top CLK_DOUT_PERI_USI1>,
    > > +                                <&cmu_top CLK_DOUT_PERI_USI2>;
    > > +                       clock-names = "oscclk",
    > > +                                     "dout_peri_bus",
    > > +                                     "dout_peri_spi0",
    > > +                                     "dout_peri_spi1",
    > > +                                     "dout_peri_uart0",
    > > +                                     "dout_peri_uart1",
    > > +                                     "dout_peri_uart2",
    > > +                                     "dout_peri_usi0",
    > > +                                     "dout_peri_usi1",
    > > +                                     "dout_peri_usi2";
    > > +               };
    > > +
    > > +               cmu_core: clock-controller@12000000 {
    > > +                       compatible = "samsung,exynos7885-cmu-core";
    > > +                       reg = <0x12000000 0x8000>;
    > > +                       #clock-cells = <1>;
    > > +
    > > +                       clocks = <&oscclk>,
    > > +                                <&cmu_top CLK_DOUT_CORE_BUS>,
    > > +                                <&cmu_top CLK_DOUT_CORE_CCI>,
    > > +                                <&cmu_top CLK_DOUT_CORE_G3D>;
    > > +                       clock-names = "oscclk", "dout_core_bus",
    > > "dout_core_cci", "dout_core_g3d";
    >
    > 80 characters per line, please. Also, please keep the style
    > consistent: in cmu_peri you have each clock per line, here all clocks
    > are on one line.
    >
    > > +               };
    > > +
    > > +               cmu_top: clock-controller@12060000 {
    >
    > I'd move cmu_top above, to be the first CMU node.
    >
    > > +                       compatible = "samsung,exynos7885-cmu-top";
    > > +                       reg = <0x12060000 0x8000>;
    > > +                       #clock-cells = <1>;
    > > +
    > > +                       clocks = <&oscclk>;
    > > +                       clock-names = "oscclk";
    > > +               };
    > > +
    > > +               pinctrl_alive: pinctrl@11cb0000 {
    > > +                       compatible = "samsung,exynos7885-pinctrl";
    > > +                       reg = <0x11cb0000 0x1000>;
    > > +                       interrupts = <GIC_SPI 0
    > > IRQ_TYPE_LEVEL_HIGH>,
    > > +                                    <GIC_SPI 1
    > > IRQ_TYPE_LEVEL_HIGH>,
    > > +                                    <GIC_SPI 2
    > > IRQ_TYPE_LEVEL_HIGH>,
    > > +                                    <GIC_SPI 3
    > > IRQ_TYPE_LEVEL_HIGH>,
    > > +                                    <GIC_SPI 4
    > > IRQ_TYPE_LEVEL_HIGH>,
    > > +                                    <GIC_SPI 5
    > > IRQ_TYPE_LEVEL_HIGH>,
    > > +                                    <GIC_SPI 6
    > > IRQ_TYPE_LEVEL_HIGH>,
    > > +                                    <GIC_SPI 7
    > > IRQ_TYPE_LEVEL_HIGH>,
    > > +                                    <GIC_SPI 8
    > > IRQ_TYPE_LEVEL_HIGH>,
    > > +                                    <GIC_SPI 9
    > > IRQ_TYPE_LEVEL_HIGH>,
    > > +                                    <GIC_SPI 10
    > > IRQ_TYPE_LEVEL_HIGH>,
    > > +                                    <GIC_SPI 11
    > > IRQ_TYPE_LEVEL_HIGH>,
    > > +                                    <GIC_SPI 12
    > > IRQ_TYPE_LEVEL_HIGH>,
    > > +                                    <GIC_SPI 13
    > > IRQ_TYPE_LEVEL_HIGH>,
    > > +                                    <GIC_SPI 14
    > > IRQ_TYPE_LEVEL_HIGH>,
    > > +                                    <GIC_SPI 15
    > > IRQ_TYPE_LEVEL_HIGH>;
    > > +
    > > +                       wakeup-interrupt-controller {
    > > +                               compatible = "samsung,exynos7-
    > > wakeup-eint";
    > > +                               interrupt-parent = <&gic>;
    > > +                               interrupts = <GIC_SPI 130
    > > IRQ_TYPE_LEVEL_HIGH>;
    > > +                       };
    > > +               };
    > > +
    > > +               pinctrl_dispaud: pinctrl@148f0000 {
    > > +                       compatible = "samsung,exynos7885-pinctrl";
    > > +                       reg = <0x148f0000 0x1000>;
    > > +                       interrupts = <GIC_SPI 130
    > > IRQ_TYPE_LEVEL_HIGH>;
    > > +               };
    > > +
    > > +               pinctrl_fsys: pinctrl@13430000 {
    > > +                       compatible = "samsung,exynos7885-pinctrl";
    > > +                       reg = <0x13430000 0x1000>;
    > > +                       interrupts = <GIC_SPI 150
    > > IRQ_TYPE_LEVEL_HIGH>;
    > > +               };
    > > +
    > > +               pinctrl_top: pinctrl@139b0000 {
    > > +                       compatible = "samsung,exynos7885-pinctrl";
    > > +                       reg = <0x139b0000 0x1000>;
    > > +                       interrupts = <GIC_SPI 266
    > > IRQ_TYPE_LEVEL_HIGH>;
    > > +               };
    > > +
    > > +               pmu_system_controller: system-controller@11c80000 {
    > > +                       compatible = "samsung,exynos7-pmu",
    > > "syscon";
    > > +                       reg = <0x11c80000 0x10000>;
    > > +               };
    > > +
    > > +               serial_0: serial@13800000 {
    > > +                       compatible = "samsung,exynos5433-uart";
    > > +                       reg = <0x13800000 0x100>;
    > > +                       interrupts = <GIC_SPI 246
    > > IRQ_TYPE_LEVEL_HIGH>;
    > > +                       pinctrl-names = "default";
    > > +                       pinctrl-0 = <&uart0_bus>;
    > > +                       clocks = <&cmu_peri
    > > CLK_GOUT_UART0_EXT_UCLK>,
    > > +                                <&cmu_peri CLK_GOUT_UART0_PCLK>;
    >
    > AFAIU, usually PCLK is a bus clock. Are you sure it should be UART
    > baud clock?

    These are the two clocks, and it's definitely wrong swapped, as it
    breaks switching baudrates, but PCLK does in fact have PERI_BUS_USER as
    it's parent. while EXT_UCLK has PERI_UART0_USER as parent. Not sure
    what is up with it here but it works fine this way but not the other
    way around.

    >
    > > +                       clock-names = "uart", "clk_uart_baud0";
    > > +                       samsung,uart-fifosize = <64>;
    > > +                       status = "disabled";
    > > +               };
    > > +
    > > +               serial_1: serial@13810000 {
    > > +                       compatible = "samsung,exynos5433-uart";
    > > +                       reg = <0x13810000 0x100>;
    > > +                       interrupts = <GIC_SPI 247
    > > IRQ_TYPE_LEVEL_HIGH>;
    > > +                       pinctrl-names = "default";
    > > +                       pinctrl-0 = <&uart1_bus>;
    > > +                       clocks = <&cmu_peri
    > > CLK_GOUT_UART1_EXT_UCLK>,
    > > +                                <&cmu_peri CLK_GOUT_UART1_PCLK>;
    > > +                       clock-names = "uart", "clk_uart_baud0";
    > > +                       samsung,uart-fifosize = <256>;
    > > +                       status = "disabled";
    > > +               };
    > > +
    > > +               serial_2: serial@13820000 {
    > > +                       compatible = "samsung,exynos5433-uart";
    > > +                       reg = <0x13820000 0x100>;
    > > +                       interrupts = <GIC_SPI 279
    > > IRQ_TYPE_LEVEL_HIGH>;
    > > +                       pinctrl-names = "default";
    > > +                       pinctrl-0 = <&uart2_bus>;
    > > +                       clocks = <&cmu_peri
    > > CLK_GOUT_UART2_EXT_UCLK>,
    > > +                                <&cmu_peri CLK_GOUT_UART2_PCLK>;
    > > +                       clock-names = "uart", "clk_uart_baud0";
    > > +                       samsung,uart-fifosize = <256>;
    > > +                       status = "disabled";
    > > +               };
    > > +
    > > +               i2c_0: i2c@13830000 {
    > > +                       compatible = "samsung,s3c2440-i2c";
    > > +                       reg = <0x13830000 0x100>;
    > > +                       interrupts = <GIC_SPI 248
    > > IRQ_TYPE_LEVEL_HIGH>;
    > > +                       #address-cells = <1>;
    > > +                       #size-cells = <0>;
    > > +                       pinctrl-names = "default";
    > > +                       pinctrl-0 = <&i2c0_bus>;
    > > +                       clocks = <&cmu_peri CLK_GOUT_I2C0_PCLK>;
    > > +                       clock-names = "i2c";
    > > +                       status = "disabled";
    > > +               };
    > > +
    > > +               i2c_1: i2c@13840000 {
    > > +                       compatible = "samsung,s3c2440-i2c";
    > > +                       reg = <0x13840000 0x100>;
    > > +                       interrupts = <GIC_SPI 249
    > > IRQ_TYPE_LEVEL_HIGH>;
    > > +                       #address-cells = <1>;
    > > +                       #size-cells = <0>;
    > > +                       pinctrl-names = "default";
    > > +                       pinctrl-0 = <&i2c1_bus>;
    > > +                       clocks = <&cmu_peri CLK_GOUT_I2C1_PCLK>;
    > > +                       clock-names = "i2c";
    > > +                       status = "disabled";
    > > +               };
    > > +
    > > +               i2c_2: i2c@13850000 {
    > > +                       compatible = "samsung,s3c2440-i2c";
    > > +                       reg = <0x13850000 0x100>;
    > > +                       interrupts = <GIC_SPI 250
    > > IRQ_TYPE_LEVEL_HIGH>;
    > > +                       #address-cells = <1>;
    > > +                       #size-cells = <0>;
    > > +                       pinctrl-names = "default";
    > > +                       pinctrl-0 = <&i2c2_bus>;
    > > +                       clocks = <&cmu_peri CLK_GOUT_I2C2_PCLK>;
    > > +                       clock-names = "i2c";
    > > +                       status = "disabled";
    > > +               };
    > > +
    > > +               i2c_3: i2c@13860000 {
    > > +                       compatible = "samsung,s3c2440-i2c";
    > > +                       reg = <0x13860000 0x100>;
    > > +                       interrupts = <GIC_SPI 251
    > > IRQ_TYPE_LEVEL_HIGH>;
    > > +                       #address-cells = <1>;
    > > +                       #size-cells = <0>;
    > > +                       pinctrl-names = "default";
    > > +                       pinctrl-0 = <&i2c3_bus>;
    > > +                       clocks = <&cmu_peri CLK_GOUT_I2C3_PCLK>;
    > > +                       clock-names = "i2c";
    > > +                       status = "disabled";
    > > +               };
    > > +
    > > +               i2c_4: i2c@13870000 {
    > > +                       compatible = "samsung,s3c2440-i2c";
    > > +                       reg = <0x13870000 0x100>;
    > > +                       interrupts = <GIC_SPI 252
    > > IRQ_TYPE_LEVEL_HIGH>;
    > > +                       #address-cells = <1>;
    > > +                       #size-cells = <0>;
    > > +                       pinctrl-names = "default";
    > > +                       pinctrl-0 = <&i2c4_bus>;
    > > +                       clocks = <&cmu_peri CLK_GOUT_I2C4_PCLK>;
    > > +                       clock-names = "i2c";
    > > +                       status = "disabled";
    > > +               };
    > > +
    > > +               i2c_5: i2c@13880000 {
    > > +                       compatible = "samsung,s3c2440-i2c";
    > > +                       reg = <0x13880000 0x100>;
    > > +                       interrupts = <GIC_SPI 253
    > > IRQ_TYPE_LEVEL_HIGH>;
    > > +                       #address-cells = <1>;
    > > +                       #size-cells = <0>;
    > > +                       pinctrl-names = "default";
    > > +                       pinctrl-0 = <&i2c5_bus>;
    > > +                       clocks = <&cmu_peri CLK_GOUT_I2C5_PCLK>;
    > > +                       clock-names = "i2c";
    > > +                       status = "disabled";
    > > +               };
    > > +
    > > +               i2c_6: i2c@13890000 {
    > > +                       compatible = "samsung,s3c2440-i2c";
    > > +                       reg = <0x13890000 0x100>;
    > > +                       interrupts = <GIC_SPI 254
    > > IRQ_TYPE_LEVEL_HIGH>;
    > > +                       #address-cells = <1>;
    > > +                       #size-cells = <0>;
    > > +                       pinctrl-names = "default";
    > > +                       pinctrl-0 = <&i2c6_bus>;
    > > +                       clocks = <&cmu_peri CLK_GOUT_I2C6_PCLK>;
    > > +                       clock-names = "i2c";
    > > +                       status = "disabled";
    > > +               };
    > > +
    > > +               i2c_7: i2c@11cd0000 {
    > > +                       compatible = "samsung,s3c2440-i2c";
    > > +                       reg = <0x11cd0000 0x100>;
    > > +                       interrupts = <GIC_SPI 255
    > > IRQ_TYPE_LEVEL_HIGH>;
    > > +                       #address-cells = <1>;
    > > +                       #size-cells = <0>;
    > > +                       pinctrl-names = "default";
    > > +                       pinctrl-0 = <&i2c7_bus>;
    > > +                       clocks = <&cmu_peri CLK_GOUT_I2C7_PCLK>;
    > > +                       clock-names = "i2c";
    > > +                       status = "disabled";
    > > +               };
    > > +       };
    > > +};
    > > +
    > > +#include "exynos7885-pinctrl.dtsi"
    > > +#include "arm/exynos-syscon-restart.dtsi"
    >
    > Have you verified both reboot and power off functions from this file?
    > I guess if some doesn't work, it's better to avoid including this,
    > but
    > instead add corresponding sub-nodes into your pmu_sytem_controller.

    They do in fact work on my phone ;)
    One thing I noticed is that if I send a poweroff command and hold down
    the power key, it will stay powered on until I release it. I guess
    that's just how it's wired up.
    Sometimes, very rarely a reboot does act weird though: Every once in a
    while, a reboot turns the phone off, then the bootloader starts
    outputting on UART before it cuts off my connection to UART by
    resetting the MUIC, and the phone never powers on again by itself
    after. (like.. bootloader starts then powers the phone off even before
    the display would come on?) I should check the bootloader logs saved to
    a last_kmsg buffer the next time this happens, but this looks like more
    of a bootloader issue rather than this being wrong.

    >
    > > --
    > > 2.34.1
    > >

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