linux-kernel - Re: [PATCH 07/10] ARM: dts: rockchip: add vpu node for RK322x

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Date:   Wed, 26 May 2021 01:05:06 +0200
From:   Heiko Stübner <heiko@...ech.de>
To:     Ezequiel Garcia <ezequiel@...labora.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Lee Jones <lee.jones@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-media@...r.kernel.org, linux-rockchip@...ts.infradead.org,
        devicetree@...r.kernel.org, Alex Bee <knaerzche@...il.com>
Cc:     Alex Bee <knaerzche@...il.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-staging@...ts.linux.dev
Subject: Re: [PATCH 07/10] ARM: dts: rockchip: add vpu node for RK322x

Am Dienstag, 25. Mai 2021, 17:22:22 CEST schrieb Alex Bee:
> The VPU IP block of RK322x is the same as RK3399 has and the driver can
> be used as-is.
> 
> Add the respective nodes to the device tree.
> 
> Signed-off-by: Alex Bee <knaerzche@...il.com>
> ---
>  arch/arm/boot/dts/rk322x.dtsi | 13 ++++++++++++-
>  1 file changed, 12 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/rk322x.dtsi b/arch/arm/boot/dts/rk322x.dtsi
> index c8095ede7d7a..62d1113b7804 100644
> --- a/arch/arm/boot/dts/rk322x.dtsi
> +++ b/arch/arm/boot/dts/rk322x.dtsi
> @@ -611,6 +611,18 @@ gpu: gpu@...00000 {
>  		status = "disabled";
>  	};
>  
> +	vpu: video-codec@...20000 {
> +		compatible = "rockchip,rk3228-vpu", "rockchip,rk3399-vpu";
> +		reg = <0x20020000 0x800>;
> +		interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>,
> +			     <GIC_SPI  9 IRQ_TYPE_LEVEL_HIGH>;
> +		interrupt-names = "vepu", "vdpu";
> +		clocks = <&cru ACLK_VPU>, <&cru HCLK_VPU>;
> +		clock-names = "aclk", "hclk";
> +		power-domains = <&power RK3228_PD_VPU>;
> +		iommus = <&vpu_mmu>;

NIT: [if you need to resend for other reasons] iommus before power-domains please

> +	};
> +
>  	vpu_mmu: iommu@...20800 {
>  		compatible = "rockchip,iommu";
>  		reg = <0x20020800 0x100>;
> @@ -619,7 +631,6 @@ vpu_mmu: iommu@...20800 {
>  		clock-names = "aclk", "iface";
>  		power-domains = <&power RK3228_PD_VPU>;
>  		#iommu-cells = <0>;
> -		status = "disabled";
>  	};
>  
>  	vdec_mmu: iommu@...30480 {
>