[PATCH V4] arm64: dts: add support for S4 based Amlogic AQ222

[Rob Herring]

On Thu, Jan 6, 2022 at 5:22 AM Xianwei Zhao <xianwei.zhao at amlogic.com> wrote:
>
> Add basic support for the Amlogic S4 based Amlogic AQ222 board:
> which describe components as follows: CPU, GIC, IRQ, Timer, UART.
> It's capable of booting up into the serial console.
>
> Signed-off-by: Xianwei Zhao <xianwei.zhao at amlogic.com>
> ---
> V3 -> V4: cleaned up coding style.
> V2 -> V3: add of dts board  compatible family.
> V1 -> V2: cleaned up coding style, modify CPU affinity of timer interrups,
>           and modify GIC reg defintions.
> ---
>  arch/arm64/boot/dts/amlogic/Makefile          |  1 +
>  .../dts/amlogic/meson-s4-s805x2-aq222.dts     | 30 ++++++
>  arch/arm64/boot/dts/amlogic/meson-s4.dtsi     | 99 +++++++++++++++++++
>  3 files changed, 130 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/amlogic/meson-s4-s805x2-aq222.dts
>  create mode 100644 arch/arm64/boot/dts/amlogic/meson-s4.dtsi
>
> diff --git a/arch/arm64/boot/dts/amlogic/Makefile b/arch/arm64/boot/dts/amlogic/Makefile
> index 5148cd9e5146..faea74a45994 100644
> --- a/arch/arm64/boot/dts/amlogic/Makefile
> +++ b/arch/arm64/boot/dts/amlogic/Makefile
> @@ -57,3 +57,4 @@ dtb-$(CONFIG_ARCH_MESON) += meson-sm1-odroid-c4.dtb
>  dtb-$(CONFIG_ARCH_MESON) += meson-sm1-odroid-hc4.dtb
>  dtb-$(CONFIG_ARCH_MESON) += meson-sm1-sei610.dtb
>  dtb-$(CONFIG_ARCH_MESON) += meson-a1-ad401.dtb
> +dtb-$(CONFIG_ARCH_MESON) += meson-s4-s805x2-aq222.dtb
> diff --git a/arch/arm64/boot/dts/amlogic/meson-s4-s805x2-aq222.dts b/arch/arm64/boot/dts/amlogic/meson-s4-s805x2-aq222.dts
> new file mode 100644
> index 000000000000..a942d7e06d6e
> --- /dev/null
> +++ b/arch/arm64/boot/dts/amlogic/meson-s4-s805x2-aq222.dts
> @@ -0,0 +1,30 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2021 Amlogic, Inc. All rights reserved.
> + */
> +
> +/dts-v1/;
> +
> +#include "meson-s4.dtsi"
> +
> +/ {
> +       model = "Amlogic Meson S4 AQ222 Development Board";
> +       compatible = "amlogic,aq222", "amlogic,s4";
> +       interrupt-parent = <&gic>;
> +       #address-cells = <2>;
> +       #size-cells = <2>;
> +
> +       aliases {
> +               serial0 = &uart_B;
> +       };
> +
> +       memory at 00000000 {
> +               device_type = "memory";
> +               reg = <0x0 0x0 0x0 0x40000000>;
> +       };
> +
> +};
> +
> +&uart_B {
> +       status = "okay";
> +};
> diff --git a/arch/arm64/boot/dts/amlogic/meson-s4.dtsi b/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
> new file mode 100644
> index 000000000000..bf9ae1e1016b
> --- /dev/null
> +++ b/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
> @@ -0,0 +1,99 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (c) 2021 Amlogic, Inc. All rights reserved.
> + */
> +
> +#include <dt-bindings/interrupt-controller/irq.h>
> +#include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> +/ {
> +       cpus {
> +               #address-cells = <2>;
> +               #size-cells = <0>;
> +
> +               cpu0: cpu at 0 {
> +                       device_type = "cpu";
> +                       compatible = "arm,cortex-a35","arm,armv8";

I see this is already applied, but 'arm,armv8' is only valid for s/w
models. Please send a fix.

Rob