linux-kernel - Re: [PATCH] arm64: dts: ti: k3-am62-main: Add GPU device node

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Message-ID: <20231204130846.m4fhrphg7vfnky3f@brute>
Date:   Mon, 4 Dec 2023 07:08:46 -0600
From:   Nishanth Menon <nm@...com>
To:     Donald Robson <donald.robson@...tec.com>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <vigneshr@...com>, <kristo@...nel.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <mripard@...nel.org>, Sarah Walker <sarah.walker@...tec.com>
Subject: Re: [PATCH] arm64: dts: ti: k3-am62-main: Add GPU device node

On 12:15-20231204, Donald Robson wrote:
> From: Sarah Walker <sarah.walker@...tec.com>
> 
> Add the Series AXE GPU node to the AM62 device tree.
> 
> Signed-off-by: Sarah Walker <sarah.walker@...tec.com>
> Signed-off-by: Donald Robson <donald.robson@...tec.com>
> ---
>  arch/arm64/boot/dts/ti/k3-am62-main.dtsi | 9 +++++++++
>  1 file changed, 9 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
> index e5c64c86d1d5..4338fd8ab2d7 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
> @@ -965,4 +965,13 @@ mcasp2: audio-controller@...0000 {
>  		power-domains = <&k3_pds 192 TI_SCI_PD_EXCLUSIVE>;
>  		status = "disabled";
>  	};
> +
> +	gpu: gpu@...0000 {
> +		compatible = "ti,am62-gpu", "img,img-axe";
> +		reg = <0x00 0x0fd00000 0x00 0x20000>;
> +		clocks = <&k3_clks 187 0>;
> +		clock-names = "core";
> +		interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
> +		power-domains = <&k3_pds 187 TI_SCI_PD_EXCLUSIVE>;
> +	};
>  };
> -- 
> 2.25.1
> 

Please also add a patch to enable GPU in the default armv8 defconfig as a
kernel module.

-- 
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3  1A34 DDB5 849D 1736 249D