linux-kernel - Re: [PATCH v4 17/17] arm64: dts: ti: k3-am62-main: Add GPU device node [DO NOT MERGE]

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Date:   Tue, 18 Jul 2023 08:19:54 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Sarah Walker <sarah.walker@...tec.com>,
        dri-devel@...ts.freedesktop.org
Cc:     matthew.brost@...el.com, luben.tuikov@....com, tzimmermann@...e.de,
        linux-kernel@...r.kernel.org, mripard@...nel.org, afd@...com,
        boris.brezillon@...labora.com, dakr@...hat.com,
        donald.robson@...tec.com, hns@...delico.com,
        christian.koenig@....com, faith.ekstrand@...labora.com
Subject: Re: [PATCH v4 17/17] arm64: dts: ti: k3-am62-main: Add GPU device
 node [DO NOT MERGE]

On 14/07/2023 16:30, Sarah Walker wrote:
> Add the Series AXE GPU node to the AM62 device tree.
> 
> Signed-off-by: Sarah Walker <sarah.walker@...tec.com>
> ---
>  arch/arm64/boot/dts/ti/k3-am62-main.dtsi | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
> index b3e4857bbbe4..ad13414acf18 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
> @@ -892,4 +892,17 @@ mcasp2: audio-controller@...0000 {
>  		power-domains = <&k3_pds 192 TI_SCI_PD_EXCLUSIVE>;
>  		status = "disabled";
>  	};
> +
> +        gpu: gpu@...0000 {
> +                compatible = "ti,am62-gpu", "img,powervr-seriesaxe";
> +                reg = <0 0x0fd00000 0 0x20000>;
> +                power-domains = <&k3_pds 187 TI_SCI_PD_EXCLUSIVE>;
> +                clocks = <&k3_clks 187 0>;
> +                clock-names = "core";
> +                interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
> +                interrupt-names = "gpu";
> +                #cooling-cells = <2>;
> +                #cooling-min-level = <0>;
> +                #cooling-max-level = <3>;

It does not look like you tested the DTS against bindings. Please run
`make dtbs_check` (see
Documentation/devicetree/bindings/writing-schema.rst or
https://www.linaro.org/blog/tips-and-tricks-for-validating-devicetree-sources-with-the-devicetree-schema/
for instructions).

Best regards,
Krzysztof