diff mbox series

[8/9] arm64: dts: renesas: r8a779h0: Add display support

Message ID 20241203-rcar-gh-dsi-v1-8-738ae1a95d2a@ideasonboard.com (mailing list archive)
State New
Delegated to: Geert Uytterhoeven
Headers show
Series drm: Add DSI/DP support for Renesas r8a779h0 V4M and grey-hawk board | expand

Commit Message

Tomi Valkeinen Dec. 3, 2024, 8:01 a.m. UTC 
From: Tomi Valkeinen <tomi.valkeinen+renesas@ideasonboard.com>

Add the device nodes for supporting DU and DSI.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen+renesas@ideasonboard.com>
---
 arch/arm64/boot/dts/renesas/r8a779h0.dtsi | 77 +++++++++++++++++++++++++++++++
 1 file changed, 77 insertions(+)

Comments

Laurent Pinchart Dec. 3, 2024, 9:37 a.m. UTC | #1 
Hi Tomi,

Thank you for the patch.

On Tue, Dec 03, 2024 at 10:01:42AM +0200, Tomi Valkeinen wrote:
> From: Tomi Valkeinen <tomi.valkeinen+renesas@ideasonboard.com>
> 
> Add the device nodes for supporting DU and DSI.
> 
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen+renesas@ideasonboard.com>
> ---
>  arch/arm64/boot/dts/renesas/r8a779h0.dtsi | 77 +++++++++++++++++++++++++++++++
>  1 file changed, 77 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/renesas/r8a779h0.dtsi b/arch/arm64/boot/dts/renesas/r8a779h0.dtsi
> index 12d8be3fd579..82df6ee98afb 100644
> --- a/arch/arm64/boot/dts/renesas/r8a779h0.dtsi
> +++ b/arch/arm64/boot/dts/renesas/r8a779h0.dtsi
> @@ -1828,6 +1828,54 @@ csi41isp1: endpoint {
>  			};
>  		};
>  
> +		fcpvd0: fcp@fea10000 {
> +			compatible = "renesas,fcpv";
> +			reg = <0 0xfea10000 0 0x200>;
> +			clocks = <&cpg CPG_MOD 508>;
> +			power-domains = <&sysc R8A779H0_PD_C4>;
> +			resets = <&cpg 508>;
> +		};
> +
> +		vspd0: vsp@fea20000 {
> +			compatible = "renesas,vsp2";
> +			reg = <0 0xfea20000 0 0x8000>;
> +			interrupts = <GIC_SPI 546 IRQ_TYPE_LEVEL_HIGH>;

The documentation lists this interrupt as being LevelSensitive and
Negative. I wouldn't expect the VSP to work at all with a wrong polarity
in DT, so the level may get inverted somewhere.

> +			clocks = <&cpg CPG_MOD 830>;
> +			power-domains = <&sysc R8A779H0_PD_C4>;
> +			resets = <&cpg 830>;
> +			renesas,fcp = <&fcpvd0>;
> +		};
> +
> +		du: display@feb00000 {
> +			compatible = "renesas,du-r8a779h0";
> +			reg = <0 0xfeb00000 0 0x40000>;
> +			interrupts = <GIC_SPI 523 IRQ_TYPE_LEVEL_HIGH>;
> +			clocks = <&cpg CPG_MOD 411>;
> +			clock-names = "du.0";
> +			power-domains = <&sysc R8A779H0_PD_C4>;
> +			resets = <&cpg 411>;
> +			reset-names = "du.0";
> +			renesas,vsps = <&vspd0 0>;
> +
> +			status = "disabled";
> +
> +			ports {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +				port@0 {
> +					reg = <0>;
> +					du_out_dsi0: endpoint {
> +						remote-endpoint = <&dsi0_in>;
> +					};
> +				};
> +
> +				port@1 {
> +					reg = <1>;
> +				};

On V4M the DU has a single channel, so there should be a single port.

Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>

> +			};
> +		};
> +
>  		isp0: isp@fed00000 {
>  			compatible = "renesas,r8a779h0-isp",
>  				     "renesas,rcar-gen4-isp";
> @@ -1996,6 +2044,35 @@ isp1vin15: endpoint {
>  			};
>  		};
>  
> +		dsi0: dsi-encoder@fed80000 {
> +			compatible = "renesas,r8a779h0-dsi-csi2-tx";
> +			reg = <0 0xfed80000 0 0x10000>;
> +			clocks = <&cpg CPG_MOD 415>,
> +				 <&cpg CPG_CORE R8A779H0_CLK_DSIEXT>,
> +				 <&cpg CPG_CORE R8A779H0_CLK_DSIREF>;
> +			clock-names = "fck", "dsi", "pll";
> +			power-domains = <&sysc R8A779H0_PD_C4>;
> +			resets = <&cpg 415>;
> +
> +			status = "disabled";
> +
> +			ports {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +				port@0 {
> +					reg = <0>;
> +					dsi0_in: endpoint {
> +						remote-endpoint = <&du_out_dsi0>;
> +					};
> +				};
> +
> +				port@1 {
> +					reg = <1>;
> +				};
> +			};
> +		};
> +
>  		prr: chipid@fff00044 {
>  			compatible = "renesas,prr";
>  			reg = <0 0xfff00044 0 4>;
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/renesas/r8a779h0.dtsi b/arch/arm64/boot/dts/renesas/r8a779h0.dtsi
index 12d8be3fd579..82df6ee98afb 100644
--- a/arch/arm64/boot/dts/renesas/r8a779h0.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779h0.dtsi
@@ -1828,6 +1828,54 @@  csi41isp1: endpoint {
 			};
 		};
 
+		fcpvd0: fcp@fea10000 {
+			compatible = "renesas,fcpv";
+			reg = <0 0xfea10000 0 0x200>;
+			clocks = <&cpg CPG_MOD 508>;
+			power-domains = <&sysc R8A779H0_PD_C4>;
+			resets = <&cpg 508>;
+		};
+
+		vspd0: vsp@fea20000 {
+			compatible = "renesas,vsp2";
+			reg = <0 0xfea20000 0 0x8000>;
+			interrupts = <GIC_SPI 546 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 830>;
+			power-domains = <&sysc R8A779H0_PD_C4>;
+			resets = <&cpg 830>;
+			renesas,fcp = <&fcpvd0>;
+		};
+
+		du: display@feb00000 {
+			compatible = "renesas,du-r8a779h0";
+			reg = <0 0xfeb00000 0 0x40000>;
+			interrupts = <GIC_SPI 523 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&cpg CPG_MOD 411>;
+			clock-names = "du.0";
+			power-domains = <&sysc R8A779H0_PD_C4>;
+			resets = <&cpg 411>;
+			reset-names = "du.0";
+			renesas,vsps = <&vspd0 0>;
+
+			status = "disabled";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					reg = <0>;
+					du_out_dsi0: endpoint {
+						remote-endpoint = <&dsi0_in>;
+					};
+				};
+
+				port@1 {
+					reg = <1>;
+				};
+			};
+		};
+
 		isp0: isp@fed00000 {
 			compatible = "renesas,r8a779h0-isp",
 				     "renesas,rcar-gen4-isp";
@@ -1996,6 +2044,35 @@  isp1vin15: endpoint {
 			};
 		};
 
+		dsi0: dsi-encoder@fed80000 {
+			compatible = "renesas,r8a779h0-dsi-csi2-tx";
+			reg = <0 0xfed80000 0 0x10000>;
+			clocks = <&cpg CPG_MOD 415>,
+				 <&cpg CPG_CORE R8A779H0_CLK_DSIEXT>,
+				 <&cpg CPG_CORE R8A779H0_CLK_DSIREF>;
+			clock-names = "fck", "dsi", "pll";
+			power-domains = <&sysc R8A779H0_PD_C4>;
+			resets = <&cpg 415>;
+
+			status = "disabled";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					reg = <0>;
+					dsi0_in: endpoint {
+						remote-endpoint = <&du_out_dsi0>;
+					};
+				};
+
+				port@1 {
+					reg = <1>;
+				};
+			};
+		};
+
 		prr: chipid@fff00044 {
 			compatible = "renesas,prr";
 			reg = <0 0xfff00044 0 4>;