linux-kernel - Re: [PATCH v3 1/6] arm64: dts: ti: k3-j784s4: Add Wave5 Video Encoder/Decoder Node

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Message-ID: <a5f0059d-b80f-44e6-8c1e-793054586e0a@ti.com>
Date: Thu, 1 Feb 2024 12:34:56 -0600
From: Andrew Davis <afd@...com>
To: Brandon Brnich <b-brnich@...com>, Nishanth Menon <nm@...com>,
        Vignesh
 Raghavendra <vigneshr@...com>,
        Tero Kristo <kristo@...nel.org>, Rob Herring
	<robh+dt@...nel.org>,
        Krzysztof Kozlowski
	<krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Bjorn Andersson <quic_bjorande@...cinc.com>,
        Geert Uytterhoeven
	<geert+renesas@...der.be>,
        Arnd Bergmann <arnd@...db.de>,
        Konrad Dybcio
	<konrad.dybcio@...aro.org>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Nícolas F . R . A . Prado <nfraprado@...labora.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        <linux-arm-kernel@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Darren Etheridge <detheridge@...com>
Subject: Re: [PATCH v3 1/6] arm64: dts: ti: k3-j784s4: Add Wave5 Video
 Encoder/Decoder Node

On 1/31/24 3:26 PM, Brandon Brnich wrote:
> This patch adds support for the Wave521cl on the J784S4-evm.
> 
> Signed-off-by: Brandon Brnich <b-brnich@...com>
> ---
>   arch/arm64/boot/dts/ti/k3-j784s4-evm.dts   |  8 ++++++++
>   arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 20 ++++++++++++++++++++
>   arch/arm64/boot/dts/ti/k3-j784s4.dtsi      |  2 ++
>   3 files changed, 30 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
> index f34b92acc56d..7d37c11b4df4 100644
> --- a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
> +++ b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts
> @@ -784,6 +784,14 @@ &main_gpio0 {
>   	status = "okay";
>   };
>   
> +&vpu0 {
> +	status = "okay";
> +};
> +
> +&vpu1 {
> +	status = "okay";
> +};
> +
>   &mcu_cpsw {
>   	status = "okay";
>   	pinctrl-names = "default";
> diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
> index f2b720ed1e4f..8b2623ac8160 100644
> --- a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi
> @@ -662,6 +662,26 @@ main_i2c6: i2c@...0000 {
>   		status = "disabled";
>   	};
>   
> +	vpu0: video-codec@...0000 {
> +		compatible = "ti,j721s2-wave521c", "cnm,wave521c";
> +		reg = <0x00 0x4210000 0x00 0x10000>;
> +		interrupts = <GIC_SPI 182 IRQ_TYPE_LEVEL_HIGH>;
> +		clocks = <&k3_clks 241 2>;
> +		clock-names = "vcodec";
> +		power-domains = <&k3_pds 241 TI_SCI_PD_EXCLUSIVE>;
> +		status = "disabled";

Why are these default disabled? I don't see anything missing that
would need to be added at the board level. You disable them
just to re-enable them in the next patch. Leave these default
enabled.

> +	};
> +
> +	vpu1: video-codec@...0000 {
> +		compatible = "ti,j721s2-wave521c", "cnm,wave521c";
> +		reg = <0x00 0x4220000 0x00 0x10000>;
> +		interrupts = <GIC_SPI 183 IRQ_TYPE_LEVEL_HIGH>;
> +		clocks = <&k3_clks 242 2>;
> +		clock-names = "vcodec";
> +		power-domains = <&k3_pds 242 TI_SCI_PD_EXCLUSIVE>;
> +		status = "disabled";
> +	};
> +
>   	main_sdhci0: mmc@...0000 {
>   		compatible = "ti,j721e-sdhci-8bit";
>   		reg = <0x00 0x04f80000 0x00 0x1000>,
> diff --git a/arch/arm64/boot/dts/ti/k3-j784s4.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4.dtsi
> index 4398c3a463e1..93bb0cba1b48 100644
> --- a/arch/arm64/boot/dts/ti/k3-j784s4.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-j784s4.dtsi
> @@ -247,6 +247,8 @@ cbass_main: bus@...000 {
>   			 <0x00 0x30000000 0x00 0x30000000 0x00 0x0c400000>, /* MAIN NAVSS */
>   			 <0x41 0x00000000 0x41 0x00000000 0x01 0x00000000>, /* PCIe1 DAT1 */
>   			 <0x4e 0x20000000 0x4e 0x20000000 0x00 0x00080000>, /* GPU */
> +			 <0x00 0x04210000 0x00 0x04210000 0x00 0x00010000>, /* VPU0 */
> +			 <0x00 0x04220000 0x00 0x04220000 0x00 0x00010000>, /* VPU1 */

Add these in sorted by memory address order.

Andrew

>   
>   			 /* MCUSS_WKUP Range */
>   			 <0x00 0x28380000 0x00 0x28380000 0x00 0x03880000>,