On Tue, Mar 19, 2019 at 12:21:38PM +0000, Fabrizio Castro wrote:
> This commit adds DU support to the RZ/G1C (a.k.a. r8a77470)
> specific device tree.
>
> Signed-off-by: Fabrizio Castro <fabrizio.castro@xxxxxxxxxxxxxx>
> ---
> arch/arm/boot/dts/r8a77470.dtsi | 32 ++++++++++++++++++++++++++++++++
> 1 file changed, 32 insertions(+)
>
> diff --git a/arch/arm/boot/dts/r8a77470.dtsi b/arch/arm/boot/dts/r8a77470.dtsi
> index f4e232b..493cf2b 100644
> --- a/arch/arm/boot/dts/r8a77470.dtsi
> +++ b/arch/arm/boot/dts/r8a77470.dtsi
> @@ -643,6 +643,38 @@
> resets = <&cpg 408>;
> };
>
> + du: display@feb00000 {
> + compatible = "renesas,du-r8a77470";
> + reg = <0 0xfeb00000 0 0x40000>;
> + interrupts = <GIC_SPI 256 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 268 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&cpg CPG_MOD 724>,
> + <&cpg CPG_MOD 723>;
I do not see MSTP 7 bit 23 documented as used by DU
in the User's Manual: Hardware v1.00 Oct 13, 2017.
Do you have more recent documentation or some insight in this area?
> + clock-names = "du.0", "du.1";
> + status = "disabled";
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> + du_out_rgb0: endpoint {
> + };
> + };
> + port@1 {
> + reg = <1>;
> + du_out_rgb1: endpoint {
> + };
> + };
> + port@2 {
> + reg = <2>;
> + du_out_lvds0: endpoint {
> + };
> + };
> + };
> + };
> +
> prr: chipid@ff000044 {
> compatible = "renesas,prr";
> reg = <0 0xff000044 0 4>;
> --
> 2.7.4
>
