[PATCH 2/2] arm64: dts: add support for T7 based Amlogic AN400
Krzysztof Kozlowski
krzysztof.kozlowski at linaro.org
Mon Jun 26 08:41:05 PDT 2023
On 26/06/2023 11:52, Xianwei Zhao wrote:
> Amlogic T7 is an advanced application processor designed for smart display.
>
> Add basic support for the T7 based Amlogic AN400 board, which describes
> the following components: CPU, GIC, IRQ, Timer, UART. It's capable of
> booting up into the serial console.
Few nits.
...
> + core3 {
> + cpu = <&cpu7>;
> + };
> + };
> + };
> +
> + cpu0:cpu at 0 {
You miss spaces after labels.
> + device_type = "cpu";
> + compatible = "arm,cortex-a73";
> + reg = <0x0 0x0>;
> + enable-method = "psci";
> + };
> +
> + cpu1:cpu at 1 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a73";
> + reg = <0x0 0x1>;
> + enable-method = "psci";
> + };
> +
> + cpu2:cpu at 2 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a73";
> + reg = <0x0 0x2>;
> + enable-method = "psci";
> + };
> +
> + cpu3:cpu at 3 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a73";
> + reg = <0x0 0x3>;
> + enable-method = "psci";
> + };
> +
> + cpu4:cpu at 100 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a53";
> + reg = <0x0 0x100>;
> + enable-method = "psci";
> + };
> +
> + cpu5:cpu at 101{
> + device_type = "cpu";
> + compatible = "arm,cortex-a53";
> + reg = <0x0 0x101>;
> + enable-method = "psci";
> + };
> +
> + cpu6:cpu at 102 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a53";
> + reg = <0x0 0x102>;
> + enable-method = "psci";
> + };
> +
> + cpu7:cpu at 103 {
> + device_type = "cpu";
> + compatible = "arm,cortex-a53";
> + reg = <0x0 0x103>;
> + enable-method = "psci";
> + };
> + };
> +
> + timer {
> + compatible = "arm,armv8-timer";
> + 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)>;
> + };
> +
> + psci {
> + compatible = "arm,psci-0.2";
> + method = "smc";
> + };
> +
> + xtal: xtal-clk {
> + compatible = "fixed-clock";
> + clock-frequency = <24000000>;
> + clock-output-names = "xtal";
> + #clock-cells = <0>;
> + };
> +
> + soc {
> + compatible = "simple-bus";
> + #address-cells = <2>;
> + #size-cells = <2>;
> + ranges;
> +
> + gic: interrupt-controller at 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(8) | IRQ_TYPE_LEVEL_HIGH)>;
> + };
Fix indentation.
> +
> + apb4: bus at 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 at 78000 {
> + compatible = "amlogic,meson-s4-uart",
> + "amlogic,meson-ao-uart";
> + reg = <0x0 0x78000 0x0 0x18>;
> + interrupts = <GIC_SPI 168 IRQ_TYPE_EDGE_RISING>;
> + status = "disabled";
Please, don't put status in the middle of properties...
Best regards,
Krzysztof
More information about the linux-amlogic
mailing list