Messages in this thread | | | Date | Tue, 27 Jun 2023 17:21:44 +0800 | Subject | Re: [PATCH v6 4/4] arm64: dts: amlogic-t7-a311d2-khadas-vim4: add initial device-tree | From | Xianwei Zhao <> |
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On 2023/6/27 17:10, Lucas Tanure wrote: > [ EXTERNAL EMAIL ] > > The Khadas VIM4 uses the Amlogic A311D2 SoC, based on the Amlogic T7 SoC > family, on a board with the same form factor as the VIM3 models. > > - 8GB LPDDR4X 2016MHz > - 32GB eMMC 5.1 storage > - 32MB SPI flash > - 10/100/1000 Base-T Ethernet > - AP6275S Wireless (802.11 a/b/g/n/ac/ax, BT5.1) > - HDMI 2.1 video > - HDMI Input > - 1x USB 2.0 + 1x USB 3.0 ports > - 1x USB-C (power) with USB 2.0 OTG > - 3x LED's (1x red, 1x blue, 1x white) > - 3x buttons (power, function, reset) > - M2 socket with PCIe, USB, ADC & I2C > - 40pin GPIO Header > - 1x micro SD card slot > > Signed-off-by: Lucas Tanure <tanure@linux.com> > --- > arch/arm64/boot/dts/amlogic/Makefile | 1 + > .../amlogic/amlogic-t7-a311d2-khadas-vim4.dts | 52 ++++++ > arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi | 158 ++++++++++++++++++ > 3 files changed, 211 insertions(+) > create mode 100644 arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts > create mode 100644 arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi > > diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile > index cd1c5b04890a..166fec1e4229 100644 > --- a/arch/arm64/boot/dts/amlogic/Makefile > +++ b/arch/arm64/boot/dts/amlogic/Makefile > @@ -1,4 +1,5 @@ > # SPDX-License-Identifier: GPL-2.0 > +dtb-$(CONFIG_ARCH_MESON) += amlogic-t7-a311d2-khadas-vim4.dtb > dtb-$(CONFIG_ARCH_MESON) += meson-a1-ad401.dtb > dtb-$(CONFIG_ARCH_MESON) += meson-axg-jethome-jethub-j100.dtb > dtb-$(CONFIG_ARCH_MESON) += meson-axg-jethome-jethub-j110-rev-2.dtb > diff --git a/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts > new file mode 100644 > index 000000000000..5d7fb86a9738 > --- /dev/null > +++ b/arch/arm64/boot/dts/amlogic/amlogic-t7-a311d2-khadas-vim4.dts > @@ -0,0 +1,52 @@ > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) > +/* > + * Copyright (c) 2022 Wesion, Inc. All rights reserved. > + */ > + > +/dts-v1/; > + > +#include "amlogic-t7.dtsi" > + > +/ { > + model = "Khadas vim4"; > + compatible = "khadas,vim4", "amlogic,a311d2", "amlogic,t7"; > + > + aliases { > + serial0 = &uart_A; > + }; > + > + memory@0 { > + device_type = "memory"; > + reg = <0x0 0x0 0x2 0x0>; /* 8 GB */ > + }; > + > + reserved-memory { > + #address-cells = <2>; > + #size-cells = <2>; > + ranges; > + > + /* 3 MiB reserved for ARM Trusted Firmware (BL31) */ > + secmon_reserved: secmon@5000000 { > + reg = <0x0 0x05000000 0x0 0x300000>; > + no-map; > + }; > + > + /* 32 MiB reserved for ARM Trusted Firmware (BL32) */ > + secmon_reserved_bl32: secmon@5300000 { > + reg = <0x0 0x05300000 0x0 0x2000000>; > + no-map; > + }; > + }; > + > + xtal: xtal-clk { > + compatible = "fixed-clock"; > + clock-frequency = <24000000>; > + clock-output-names = "xtal"; > + #clock-cells = <0>; > + }; > + > +}; > + > +&uart_A { > + status = "okay"; > +}; > diff --git a/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi > new file mode 100644 > index 000000000000..6f3971b4df99 > --- /dev/null > +++ b/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi > @@ -0,0 +1,158 @@ > +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) > +/* > + * Copyright (c) 2019 Amlogic, Inc. All rights reserved. > + */ > + > +#include <dt-bindings/interrupt-controller/arm-gic.h> > + > +/ { > + interrupt-parent = <&gic>; > + #address-cells = <2>; > + #size-cells = <2>; > + > + cpus { > + #address-cells = <0x2>; > + #size-cells = <0x0>; > + > + cpu-map { > + cluster0 { > + core0 { > + cpu = <&cpu100>; > + }; > + core1 { > + cpu = <&cpu101>; > + }; > + core2 { > + cpu = <&cpu102>; > + }; > + core3 { > + cpu = <&cpu103>; > + }; > + }; > + > + cluster1 { > + core0 { > + cpu = <&cpu0>; > + }; > + core1 { > + cpu = <&cpu1>; > + }; > + core2 { > + cpu = <&cpu2>; > + }; > + core3 { > + cpu = <&cpu3>; > + }; > + }; > + }; > + > + cpu100: cpu@100 { > + device_type = "cpu"; > + compatible = "arm,cortex-a53"; > + reg = <0x0 0x100>; > + enable-method = "psci"; > + }; > + > + cpu101: cpu@101{ > + device_type = "cpu"; > + compatible = "arm,cortex-a53"; > + reg = <0x0 0x101>; > + enable-method = "psci"; > + }; > + > + cpu102: cpu@102 { > + device_type = "cpu"; > + compatible = "arm,cortex-a53"; > + reg = <0x0 0x102>; > + enable-method = "psci"; > + }; > + > + cpu103: cpu@103 { > + device_type = "cpu"; > + compatible = "arm,cortex-a53"; > + reg = <0x0 0x103>; > + enable-method = "psci"; > + }; > + > + cpu0: cpu@0 { > + device_type = "cpu"; > + compatible = "arm,cortex-a73"; > + reg = <0x0 0x0>; > + enable-method = "psci"; > + }; > + > + cpu1: cpu@1 { > + device_type = "cpu"; > + compatible = "arm,cortex-a73"; > + reg = <0x0 0x1>; > + enable-method = "psci"; > + }; > + > + cpu2: cpu@2 { > + device_type = "cpu"; > + compatible = "arm,cortex-a73"; > + reg = <0x0 0x2>; > + enable-method = "psci"; > + }; > + > + cpu3: cpu@3 { > + device_type = "cpu"; > + compatible = "arm,cortex-a73"; > + reg = <0x0 0x3>; > + enable-method = "psci"; > + }; > + }; > + > + timer { > + compatible = "arm,armv8-timer"; > + interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>, > + <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>, > + <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>, > + <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>; > + }; cpu number is 8, not 4, need use GIC_CPU_MASK_SIMPLE(8) > + > + psci { > + compatible = "arm,psci-1.0"; > + method = "smc"; > + }; > + > + sm: secure-monitor { > + compatible = "amlogic,meson-gxbb-sm"; > + }; > + > + soc { > + compatible = "simple-bus"; > + #address-cells = <2>; > + #size-cells = <2>; > + ranges; > + > + gic: interrupt-controller@fff01000 { > + compatible = "arm,gic-400"; > + #interrupt-cells = <3>; > + #address-cells = <0>; > + interrupt-controller; > + reg = <0x0 0xfff01000 0 0x1000>, > + <0x0 0xfff02000 0 0x0100>; > + interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>; cpu number is 8, not 4, need use GIC_CPU_MASK_SIMPLE(8) > + }; > + > + apb4: bus@fe000000 { > + compatible = "simple-bus"; > + reg = <0x0 0xfe000000 0x0 0x480000>; > + #address-cells = <2>; > + #size-cells = <2>; > + ranges = <0x0 0x0 0x0 0xfe000000 0x0 0x480000>; > + > + uart_A: serial@78000 { use lowercase, "uart_a" > + compatible = "amlogic,t7-uart", > + "amlogic,meson-s4-uart"; > + reg = <0x0 0x78000 0x0 0x18>; > + interrupts = <GIC_SPI 168 IRQ_TYPE_EDGE_RISING>; > + status = "disabled"; > + clocks = <&xtal>, <&xtal>, <&xtal> "xtal" why defined in amlogic-t7-a311d2-khadas-vim4.dts files > + clock-names = "xtal", "pclk", "baud"; > + }; > + }; > + > + }; > +}; > -- > 2.41.0 >
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