Messages in this thread Patch in this message | | | From | Tomer Maimon <> | Subject | [PATCH v1 1/1] arm: dts: add Nuvoton NPCM750 device tree | Date | Wed, 21 Mar 2018 17:36:17 +0200 |
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Add a common device tree for all Nuvoton NPCM7xx BMCs and a board specific device tree for the NPCM750 (Poleg) evaluation board.
Signed-off-by: Tomer Maimon <tmaimon77@gmail.com> --- arch/arm/boot/dts/Makefile | 2 + arch/arm/boot/dts/nuvoton-common-npcm7xx.dtsi | 187 ++++++++++++++++++++++++++ arch/arm/boot/dts/nuvoton-npcm750-evb.dts | 39 ++++++ arch/arm/boot/dts/nuvoton-npcm750.dtsi | 45 +++++++ 4 files changed, 273 insertions(+) create mode 100644 arch/arm/boot/dts/nuvoton-common-npcm7xx.dtsi create mode 100644 arch/arm/boot/dts/nuvoton-npcm750-evb.dts create mode 100644 arch/arm/boot/dts/nuvoton-npcm750.dtsi
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index ade7a38543dc..ba3bfa674e32 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -304,6 +304,8 @@ dtb-$(CONFIG_ARCH_LPC18XX) += \ dtb-$(CONFIG_ARCH_LPC32XX) += \ lpc3250-ea3250.dtb \ lpc3250-phy3250.dtb +dtb-$(CONFIG_ARCH_NPCM7XX) += \ + nuvoton-npcm750-evb.dtb dtb-$(CONFIG_MACH_MESON6) += \ meson6-atv1200.dtb dtb-$(CONFIG_MACH_MESON8) += \ diff --git a/arch/arm/boot/dts/nuvoton-common-npcm7xx.dtsi b/arch/arm/boot/dts/nuvoton-common-npcm7xx.dtsi new file mode 100644 index 000000000000..d2d0761295a4 --- /dev/null +++ b/arch/arm/boot/dts/nuvoton-common-npcm7xx.dtsi @@ -0,0 +1,187 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2018 Nuvoton Technology tomer.maimon@nuvoton.com +// Copyright 2018 Google, Inc. + +#include <dt-bindings/interrupt-controller/arm-gic.h> + +/ { + #address-cells = <1>; + #size-cells = <1>; + interrupt-parent = <&gic>; + + /* external reference clock */ + clk_refclk: clk_refclk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <25000000>; + clock-output-names = "refclk"; + }; + + /* external reference clock for cpu. float in normal operation */ + clk_sysbypck: clk_sysbypck { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <800000000>; + clock-output-names = "sysbypck"; + }; + + /* external reference clock for MC. float in normal operation */ + clk_mcbypck: clk_mcbypck { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <800000000>; + clock-output-names = "mcbypck"; + }; + + /* external clock signal rg1refck, supplied by the phy */ + clk_rg1refck: clk_rg1refck { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <125000000>; + clock-output-names = "clk_rg1refck"; + }; + + /* external clock signal rg2refck, supplied by the phy */ + clk_rg2refck: clk_rg2refck { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <125000000>; + clock-output-names = "clk_rg2refck"; + }; + + clk_xin: clk_xin { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <50000000>; + clock-output-names = "clk_xin"; + }; + + soc { + #address-cells = <1>; + #size-cells = <1>; + compatible = "simple-bus"; + interrupt-parent = <&gic>; + ranges = <0x0 0xf0000000 0x00900000>; + + gcr: gcr@800000 { + compatible = "nuvoton,npcm750-gcr", "syscon", + "simple-mfd"; + reg = <0x800000 0x1000>; + }; + + scu: scu@3fe000 { + compatible = "arm,cortex-a9-scu"; + reg = <0x3fe000 0x1000>; + }; + + l2: cache-controller@3fc000 { + compatible = "arm,pl310-cache"; + reg = <0x3fc000 0x1000>; + interrupts = <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>; + cache-unified; + cache-level = <2>; + clocks = <&clk 10>; + arm,shared-override; + }; + + gic: interrupt-controller@3ff000 { + compatible = "arm,cortex-a9-gic"; + interrupt-controller; + #interrupt-cells = <3>; + reg = <0x3ff000 0x1000>, + <0x3fe100 0x100>; + }; + }; + + ahb { + #address-cells = <1>; + #size-cells = <1>; + compatible = "simple-bus"; + interrupt-parent = <&gic>; + ranges; + + clk: clock-controller@f0801000 { + compatible = "nuvoton,npcm750-clk", "syscon"; + #clock-cells = <1>; + clock-controller; + reg = <0xf0801000 0x1000>; + clock-names = "refclk", "sysbypck", "mcbypck"; + clocks = <&clk_refclk>, <&clk_sysbypck>, <&clk_mcbypck>; + }; + + apb { + #address-cells = <1>; + #size-cells = <1>; + compatible = "simple-bus"; + interrupt-parent = <&gic>; + ranges = <0x0 0xf0000000 0x00300000>; + + timer0: timer@8000 { + compatible = "nuvoton,npcm750-timer"; + interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>; + reg = <0x8000 0x50>; + clocks = <&clk 5>; + }; + + watchdog0: watchdog@801C { + compatible = "nuvoton,npcm750-wdt"; + interrupts = <GIC_SPI 47 IRQ_TYPE_LEVEL_HIGH>; + reg = <0x801C 0x4>; + status = "disabled"; + clocks = <&clk 5>; + }; + + watchdog1: watchdog@901C { + compatible = "nuvoton,npcm750-wdt"; + interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>; + reg = <0x901C 0x4>; + status = "disabled"; + clocks = <&clk 5>; + }; + + watchdog2: watchdog@a01C { + compatible = "nuvoton,npcm750-wdt"; + interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>; + reg = <0xa01C 0x4>; + status = "disabled"; + clocks = <&clk 5>; + }; + + serial0: serial@1000 { + compatible = "nuvoton,npcm750-uart"; + reg = <0x1000 0x1000>; + clocks = <&clk 6>; + interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>; + reg-shift = <2>; + status = "disabled"; + }; + + serial1: serial@2000 { + compatible = "nuvoton,npcm750-uart"; + reg = <0x2000 0x1000>; + clocks = <&clk 6>; + interrupts = <GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>; + reg-shift = <2>; + status = "disabled"; + }; + + serial2: serial@3000 { + compatible = "nuvoton,npcm750-uart"; + reg = <0x3000 0x1000>; + clocks = <&clk 6>; + interrupts = <GIC_SPI 4 IRQ_TYPE_LEVEL_HIGH>; + reg-shift = <2>; + status = "disabled"; + }; + + serial3: serial@4000 { + compatible = "nuvoton,npcm750-uart"; + reg = <0x4000 0x1000>; + clocks = <&clk 6>; + interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>; + reg-shift = <2>; + status = "disabled"; + }; + }; + }; +}; diff --git a/arch/arm/boot/dts/nuvoton-npcm750-evb.dts b/arch/arm/boot/dts/nuvoton-npcm750-evb.dts new file mode 100644 index 000000000000..15f744f1beea --- /dev/null +++ b/arch/arm/boot/dts/nuvoton-npcm750-evb.dts @@ -0,0 +1,39 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2018 Nuvoton Technology tomer.maimon@nuvoton.com +// Copyright 2018 Google, Inc. + +/dts-v1/; +#include "nuvoton-npcm750.dtsi" + +/ { + model = "Nuvoton npcm750 Development Board (Device Tree)"; + compatible = "nuvoton,npcm750"; + + chosen { + stdout-path = &serial3; + }; + + memory { + reg = <0 0x40000000>; + }; +}; + +&watchdog1 { + status = "okay"; +}; + +&serial0 { + status = "okay"; +}; + +&serial1 { + status = "okay"; +}; + +&serial2 { + status = "okay"; +}; + +&serial3 { + status = "okay"; +}; diff --git a/arch/arm/boot/dts/nuvoton-npcm750.dtsi b/arch/arm/boot/dts/nuvoton-npcm750.dtsi new file mode 100644 index 000000000000..5afdc730fc4a --- /dev/null +++ b/arch/arm/boot/dts/nuvoton-npcm750.dtsi @@ -0,0 +1,45 @@ +// SPDX-License-Identifier: GPL-2.0 +// Copyright (c) 2018 Nuvoton Technology tomer.maimon@nuvoton.com +// Copyright 2018 Google, Inc. + +#include <dt-bindings/interrupt-controller/arm-gic.h> +#include "nuvoton-common-npcm7xx.dtsi" + +/ { + #address-cells = <1>; + #size-cells = <1>; + interrupt-parent = <&gic>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + enable-method = "nuvoton,npcm750-smp"; + + cpu@0 { + device_type = "cpu"; + compatible = "arm,cortex-a9"; + clocks = <&clk 0>; + clock-names = "clk_cpu"; + reg = <0>; + next-level-cache = <&l2>; + }; + + cpu@1 { + device_type = "cpu"; + compatible = "arm,cortex-a9"; + clocks = <&clk 0>; + clock-names = "clk_cpu"; + reg = <1>; + next-level-cache = <&l2>; + }; + }; + soc { + timer@3fe600 { + compatible = "arm,cortex-a9-twd-timer"; + reg = <0x3fe600 0x20>; + interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) | + IRQ_TYPE_LEVEL_HIGH)>; + clocks = <&clk 5>; + }; + }; +}; -- 2.14.1
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