linux-kernel - Re: [PATCH v3] ARM: dts: aspeed: Add AMD DaytonaX BMC

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Message-ID: <98d70040-f442-98dd-eb50-39e2f39a9be3@linaro.org>
Date:   Wed, 21 Sep 2022 09:07:13 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Konstantin Aladyshev <aladyshev22@...il.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Joel Stanley <joel@....id.au>,
        Andrew Jeffery <andrew@...id.au>,
        Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
        soc@...nel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3] ARM: dts: aspeed: Add AMD DaytonaX BMC

On 20/09/2022 18:54, Konstantin Aladyshev wrote:
> Add initial version of device tree for the BMC in the AMD DaytonaX
> platform.
> 
> AMD DaytonaX platform is a customer reference board (CRB) with an
> Aspeed ast2500 BMC manufactured by AMD.
> 
> Signed-off-by: Konstantin Aladyshev <aladyshev22@...il.com>
> ---
>  .../bindings/arm/aspeed/aspeed.yaml           |   1 +
>  arch/arm/boot/dts/Makefile                    |   1 +
>  arch/arm/boot/dts/aspeed-bmc-amd-daytonax.dts | 319 ++++++++++++++++++
>  3 files changed, 321 insertions(+)
>  create mode 100644 arch/arm/boot/dts/aspeed-bmc-amd-daytonax.dts
> 
> diff --git a/Documentation/devicetree/bindings/arm/aspeed/aspeed.yaml b/Documentation/devicetree/bindings/arm/aspeed/aspeed.yaml
> index 1895ce9de461..191a52595fea 100644
> --- a/Documentation/devicetree/bindings/arm/aspeed/aspeed.yaml
> +++ b/Documentation/devicetree/bindings/arm/aspeed/aspeed.yaml
> @@ -30,6 +30,7 @@ properties:
>          items:
>            - enum:
>                - amd,ethanolx-bmc
> +              - amd,daytonax-bmc

Alphabetical order.

>                - ampere,mtjade-bmc
>                - aspeed,ast2500-evb
>                - asrock,e3c246d4i-bmc

This is always a separate patch.

> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 05d8aef6e5d2..9eff88d410aa 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -1575,6 +1575,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
>  	aspeed-ast2600-evb-a1.dtb \
>  	aspeed-ast2600-evb.dtb \
>  	aspeed-bmc-amd-ethanolx.dtb \
> +	aspeed-bmc-amd-daytonax.dtb \
>  	aspeed-bmc-ampere-mtjade.dtb \
>  	aspeed-bmc-arm-stardragon4800-rep2.dtb \
>  	aspeed-bmc-asrock-e3c246d4i.dtb \
> diff --git a/arch/arm/boot/dts/aspeed-bmc-amd-daytonax.dts b/arch/arm/boot/dts/aspeed-bmc-amd-daytonax.dts
> new file mode 100644
> index 000000000000..89634dda8e5f
> --- /dev/null
> +++ b/arch/arm/boot/dts/aspeed-bmc-amd-daytonax.dts
> @@ -0,0 +1,319 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/dts-v1/;
> +
> +#include "aspeed-g5.dtsi"
> +#include <dt-bindings/gpio/aspeed-gpio.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
> +
> +/ {
> +	model = "AMD DaytonaX BMC";
> +	compatible = "amd,daytonax-bmc", "aspeed,ast2500";
> +
> +	memory@...00000 {
> +		reg = <0x80000000 0x20000000>;
> +	};
> +
> +	reserved-memory {
> +		#address-cells = <1>;
> +		#size-cells = <1>;
> +		ranges;
> +
> +		video_engine_memory: jpegbuffer {
> +			size = <0x02000000>;	/* 32M */
> +			alignment = <0x01000000>;
> +			compatible = "shared-dma-pool";
> +			reusable;
> +		};
> +	};
> +
> +	aliases {
> +		serial0 = &uart1;
> +		serial4 = &uart5;
> +	};
> +
> +	chosen {
> +		stdout-path = &uart5;
> +		bootargs = "console=ttyS4,115200 earlycon";
> +	};
> +
> +	leds {
> +		compatible = "gpio-leds";
> +
> +		fault {

No improvements here, so you did not test your DTS. You received comment
asking you to do it.

Please run `make dtbs_check` (see
Documentation/devicetree/bindings/writing-schema.rst for instructions).

Best regards,
Krzysztof