Re: [PATCH 6/8] arm64: dts: renesas: r8a77995-draak: Enable DU
From: Simon Horman
Date: Thu Feb 15 2018 - 11:52:29 EST
On Thu, Feb 15, 2018 at 02:30:28PM +0000, Kieran Bingham wrote:
> Hi Laurent, Simon,
>
> On 15/02/18 14:12, Laurent Pinchart wrote:
> > Hi Kieran,
> >
> > Thank you for the patch.
> >
> > On Thursday, 15 February 2018 10:38:21 EET Kieran Bingham wrote:
> >> From: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>
> >>
> >> Enable the DU, providing only the VGA output for now.
> >>
> >> Signed-off-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>
> >
> > Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> >
> > I assume Simon will take care of this patch.
>
> That will be great, - One small caveat on this patch though:
>
>
> >> ---
> >> arch/arm64/boot/dts/renesas/r8a77995-draak.dts | 51 +++++++++++++++++++++++
> >> 1 file changed, 51 insertions(+)
> >>
> >> diff --git a/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
> >> b/arch/arm64/boot/dts/renesas/r8a77995-draak.dts index
> >> af07da240be0..668e246dfc5d 100644
> >> --- a/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
> >> +++ b/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
> >> @@ -27,6 +27,38 @@
> >> stdout-path = "serial0:115200n8";
> >> };
> >>
> >> + vga {
> >> + compatible = "vga-connector";
> >> +
> >> + port {
> >> + vga_in: endpoint {
> >> + remote-endpoint = <&adv7123_out>;
> >> + };
> >> + };
> >> + };
> >> +
> >> + vga-encoder {
> >> + compatible = "adi,adv7123";
> >> +
> >> + ports {
> >> + #address-cells = <1>;
> >> + #size-cells = <0>;
> >> +
> >> + port@0 {
> >> + reg = <0>;
> >> + adv7123_in: endpoint {
> >> + remote-endpoint = <&du_out_rgb>;
> >> + };
> >> + };
> >> + port@1 {
> >> + reg = <1>;
> >> + adv7123_out: endpoint {
> >> + remote-endpoint = <&vga_in>;
> >> + };
> >> + };
> >> + };
> >> + };
> >> +
> >> memory@48000000 {
> >> device_type = "memory";
> >> /* first 128MB is reserved for secure area. */
> >> @@ -46,6 +78,11 @@
> >> };
> >> };
> >>
> >> + du_pins: du {
> >> + groups = "du_rgb888", "du_sync", "du_disp", "du_dotclkout0";
>
> The du_dotclkout0 is named differently in Uli's patch. (Of course I believe my
> version is correct, but there is some precedent set it would seem).
>
> Anyway, If Uli's version of the PFC is accepted (Which I'm sure it will be),
> then I will have to re-spin this patch with the 'different' "du_clk_out_0" value
> in the groups.
Thanks, please repost once this has been shaken out.