2021-11-26 10:02:09

by Kieran Bingham

Subject: [PATCH v4 1/4] arm64: dts: renesas: r8a779a0: Add DU support

Provide the device nodes for the DU on the V3U platforms.

Reviewed-by: Geert Uytterhoeven <[email protected]>
Reviewed-by: Laurent Pinchart <[email protected]>
Signed-off-by: Kieran Bingham <[email protected]>
---
v2
- Use a single clock specification for the whole DU.

v3:
- Use 'du.0' clock name instead of 'du'

v4:
- Add in missing reset-names
- Use full renesas,vsps


arch/arm64/boot/dts/renesas/r8a779a0.dtsi | 32 +++++++++++++++++++++++
1 file changed, 32 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/r8a779a0.dtsi b/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
index 9e085d635100..483bb971c3ca 100644
--- a/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a779a0.dtsi
@@ -2601,6 +2601,38 @@ isp3vin31: endpoint {
};
};

+ du: display@feb00000 {
+ compatible = "renesas,du-r8a779a0";
+ reg = <0 0xfeb00000 0 0x40000>;
+ interrupts = <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cpg CPG_MOD 411>;
+ clock-names = "du.0";
+ power-domains = <&sysc R8A779A0_PD_ALWAYS_ON>;
+ resets = <&cpg 411>;
+ reset-names = "du.0";
+ renesas,vsps = <&vspd0 0>, <&vspd1 0>;
+
+ status = "disabled";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ du_out_dsi0: endpoint {
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ du_out_dsi1: endpoint {
+ };
+ };
+ };
+ };
+
prr: chipid@fff00044 {
compatible = "renesas,prr";
reg = <0 0xfff00044 0 4>;
--
2.30.2

2021-11-26 12:53:33

by Geert Uytterhoeven

Subject: Re: [PATCH v4 1/4] arm64: dts: renesas: r8a779a0: Add DU support

Hi Kieran,

On Fri, Nov 26, 2021 at 10:54 AM Kieran Bingham
<[email protected]> wrote:
> Provide the device nodes for the DU on the V3U platforms.
>
> Reviewed-by: Geert Uytterhoeven <[email protected]>
> Reviewed-by: Laurent Pinchart <[email protected]>
> Signed-off-by: Kieran Bingham <[email protected]>
> ---
> v2
> - Use a single clock specification for the whole DU.
>
> v3:
> - Use 'du.0' clock name instead of 'du'
>
> v4:
> - Add in missing reset-names
> - Use full renesas,vsps

Thanks for the update!
Will queue in renesas-devel for v5.17, with the du-node relocated to its
final resting place.

Gr{oetje,eeting}s,

Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds