linux-kernel - Re: [PATCH v4 2/6] arm64: dts: ti: k3-am62-main: Add node for DSS

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Date:   Tue, 8 Aug 2023 11:49:47 +0530
From:   Jayesh Choudhary <j-choudhary@...com>
To:     Aradhya Bhatia <a-bhatia1@...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>,
        Catalin Marinas <catalin.marinas@....com>,
        Conor Dooley <conor+dt@...nel.org>,
        Will Deacon <will@...nel.org>,
        Francesco Dolcini <francesco@...cini.it>
CC:     Devicetree List <devicetree@...r.kernel.org>,
        Linux Kernel List <linux-kernel@...r.kernel.org>,
        Linux ARM Kernel List <linux-arm-kernel@...ts.infradead.org>,
        Tomi Valkeinen <tomi.valkeinen@...asonboard.com>,
        Rahul T R <r-ravikumar@...com>,
        Devarsh Thakkar <devarsht@...com>, Jai Luthra <j-luthra@...com>
Subject: Re: [PATCH v4 2/6] arm64: dts: ti: k3-am62-main: Add node for DSS

Hello Aradhya,

On 07/08/23 21:03, Aradhya Bhatia wrote:
> Add Display SubSystem (DSS) DT node for the AM625 SoC.
> 
> The DSS supports one each of video pipeline (vid) and video-lite
> pipeline (vidl1). It outputs OLDI signals on one video port (VP1) and
> DPI signals on another (VP2). The video ports are connected to the
> pipelines via 2 identical overlay managers (ovr1 and ovr2).
> 
> Signed-off-by: Aradhya Bhatia <a-bhatia1@...com>
> ---
>   arch/arm64/boot/dts/ti/k3-am62-main.dtsi | 25 ++++++++++++++++++++++++
>   1 file changed, 25 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
> index ef90b2bc81eb..6cdca8df1091 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
> @@ -717,6 +717,31 @@ cpts@...00 {
>   		};
>   	};
>   
> +	dss: dss@...00000 {
> +		compatible = "ti,am625-dss";
> +		reg = <0x00 0x30200000 0x00 0x1000>, /* common */
> +		      <0x00 0x30202000 0x00 0x1000>, /* vidl1 */
> +		      <0x00 0x30206000 0x00 0x1000>, /* vid */
> +		      <0x00 0x30207000 0x00 0x1000>, /* ovr1 */
> +		      <0x00 0x30208000 0x00 0x1000>, /* ovr2 */
> +		      <0x00 0x3020a000 0x00 0x1000>, /* vp1: Used for OLDI */
> +		      <0x00 0x3020b000 0x00 0x1000>; /* vp2: Used as DPI Out */
> +		reg-names = "common", "vidl1", "vid",
> +			"ovr1", "ovr2", "vp1", "vp2";

Indentation is off here.

> +		power-domains = <&k3_pds 186 TI_SCI_PD_EXCLUSIVE>;
> +		clocks = <&k3_clks 186 6>,
> +			 <&k3_clks 186 0>,
> +			 <&k3_clks 186 2>;
> +		clock-names = "fck", "vp1", "vp2";
> +		interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
> +		status = "disabled";
> +
> +		dss_ports: ports {
> +			#address-cells = <1>;
> +			#size-cells = <0>;
> +		};
> +	};
> +
>   	hwspinlock: spinlock@...00000 {
>   		compatible = "ti,am64-hwspinlock";
>   		reg = <0x00 0x2a000000 0x00 0x1000>;