linux-kernel - Re: [PATCH v4 2/3] ARM: dts: rockchip: add rga node for rk322x

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Message-ID: <bf3a2b97-4a24-e9f0-599b-4731cc94a067@gmail.com>
Date:   Sat, 18 Apr 2020 11:15:27 +0200
From:   Johan Jonker <jbx6244@...il.com>
To:     justin.swartz@...ingedge.co.za
Cc:     devicetree@...r.kernel.org, heiko@...ech.de,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-rockchip@...ts.infradead.org, mark.rutland@....com,
        robh+dt@...nel.org
Subject: Re: [PATCH v4 2/3] ARM: dts: rockchip: add rga node for rk322x

Hi Justin, Heiko,

In the discussion about "rockchip,px30-rga" it was mentioned that:
"no status for soc internal components without any board-specifics".
The binding is in mainline, but the dts node is missing I think.
Should this also be changed?

Johan

+&rga {
+	status = "okay";
+};
+

> Add a node to define the presence of RGA, a 2D raster
> graphic acceleration unit.
> 
> Signed-off-by: Justin Swartz <justin.swartz@...ingedge.co.za>
> ---
>  arch/arm/boot/dts/rk322x.dtsi | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/rk322x.dtsi b/arch/arm/boot/dts/rk322x.dtsi
> index 340ed6ccb..29d50bebc 100644
> --- a/arch/arm/boot/dts/rk322x.dtsi
> +++ b/arch/arm/boot/dts/rk322x.dtsi
> @@ -621,6 +621,17 @@
>  		status = "disabled";
>  	};
>  
> +	rga: rga@...60000 {
> +		compatible = "rockchip,rk3228-rga", "rockchip,rk3288-rga";
> +		reg = <0x20060000 0x1000>;
> +		interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
> +		clocks = <&cru ACLK_RGA>, <&cru HCLK_RGA>, <&cru SCLK_RGA>;
> +		clock-names = "aclk", "hclk", "sclk";
> +		resets = <&cru SRST_RGA>, <&cru SRST_RGA_A>, <&cru SRST_RGA_H>;
> +		reset-names = "core", "axi", "ahb";

> +		status = "disabled";

remove?

> +	};
> +
>  	iep_mmu: iommu@...70800 {
>  		compatible = "rockchip,iommu";
>  		reg = <0x20070800 0x100>;
> -- 
> 2.11.0