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@xxxxxxxxxxxxxxxx>
>
> Add the device nodes for supporting DU and DSI.
>
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen+renesas@xxxxxxxxxxxxxxxx>
> ---
> 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@xxxxxxxxxxxxxxxx>
> + };
> + };
> +
> 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>;
--
Regards,
Laurent Pinchart
