From: Rob Herring <robh+dt@kernel.org>
To: Xianwei Zhao <xianwei.zhao@amlogic.com>
Cc: linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
"open list:ARM/Amlogic Meson..."
<linux-amlogic@lists.infradead.org>,
devicetree@vger.kernel.org,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Neil Armstrong <narmstrong@baylibre.com>,
Kevin Hilman <khilman@baylibre.com>,
Jerome Brunet <jbrunet@baylibre.com>,
Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Subject: Re: [PATCH V4] arm64: dts: add support for S4 based Amlogic AQ222
Date: Thu, 7 Apr 2022 15:53:03 -0500 [thread overview]
Message-ID: <CAL_JsqJs=zLegXz_oDqYFebJReCSnbHPWcPDD6rFv9SpSMmjAQ@mail.gmail.com> (raw)
In-Reply-To: <20220106112214.6987-1-xianwei.zhao@amlogic.com>
On Thu, Jan 6, 2022 at 5:22 AM Xianwei Zhao <xianwei.zhao@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@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@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@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
prev parent reply other threads:[~2022-04-07 20:54 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-06 11:22 [PATCH V4] arm64: dts: add support for S4 based Amlogic AQ222 Xianwei Zhao
2022-01-12 8:39 ` Neil Armstrong
2022-04-07 20:53 ` Rob Herring [this message]
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