Hi Laurent,
On 15/02/18 14:16, Laurent Pinchart wrote:
> Hi Kieran,
>
> Thank you for the patch.
>
> On Thursday, 15 February 2018 10:38:22 EET Kieran Bingham wrote:
>> From: Kieran Bingham <kieran.bingham@xxxxxxxxxxxxxxxx>
>>
>> Provide a device node for the ADV7511 as found on the Draak D3 platform.
>>
>> The ADV7511 is connected to the DU through a parallel mux chip, and is
>> configurable in hardware whether it is connected to LVDS0 or LVDS1.
>>
>> Connect through to LVDS0 as a default implementation.
>
> You need to model the LVDS decoder in DT too. I know that no driver and no DT
> bindings are available at the moment, and I'm aware that this patch enables
> the HDMI output on the Draak board, but I don't think it's upstreamable as-is.
Ok, understood. - I'll drop this patch for now until we can schedule time to
dedicate to looking into this.
I'm sure the archive's will hold on to this patch for us as a starting point :-)
--
Regards
Kieran
>
>> Signed-off-by: Kieran Bingham <kieran.bingham@xxxxxxxxxxxxxxxx>
>> ---
>> arch/arm64/boot/dts/renesas/r8a77995-draak.dts | 56 +++++++++++++++++++++++
>> 1 file changed, 56 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
>> b/arch/arm64/boot/dts/renesas/r8a77995-draak.dts index
>> 668e246dfc5d..df0c7773cb7d 100644
>> --- a/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
>> +++ b/arch/arm64/boot/dts/renesas/r8a77995-draak.dts
>> @@ -27,6 +27,17 @@
>> stdout-path = "serial0:115200n8";
>> };
>>
>> + hdmi-out {
>> + compatible = "hdmi-connector";
>> + type = "a";
>> +
>> + port {
>> + hdmi_con_out: endpoint {
>> + remote-endpoint = <&adv7511_out>;
>> + };
>> + };
>> + };
>> +
>> vga {
>> compatible = "vga-connector";
>>
>> @@ -124,6 +135,39 @@
>> reg = <0x50>;
>> pagesize = <8>;
>> };
>> +
>> + hdmi@39 {
>> + compatible = "adi,adv7511w";
>> + reg = <0x39>, <0x3f>, <0x38>, <0x3c>;
>> + reg-names = "main", "edid", "packet", "cec";
>> + interrupt-parent = <&gpio1>;
>> + interrupts = <28 IRQ_TYPE_LEVEL_LOW>;
>> +
>> + adi,input-depth = <8>;
>> + adi,input-colorspace = "rgb";
>> + adi,input-clock = "1x";
>> + adi,input-style = <1>;
>> + adi,input-justification = "evenly";
>> +
>> + ports {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> +
>> + port@0 {
>> + reg = <0>;
>> + adv7511_in: endpoint {
>> + remote-endpoint = <&lvds0_out>;
>> + };
>> + };
>> +
>> + port@1 {
>> + reg = <1>;
>> + adv7511_out: endpoint {
>> + remote-endpoint = <&hdmi_con_out>;
>> + };
>> + };
>> + };
>> + };
>> };
>>
>> &i2c1 {
>> @@ -146,6 +190,18 @@
>> };
>> };
>>
>> +&lvds0 {
>> + status = "okay";
>> +
>> + ports {
>> + port@1 {
>> + endpoint {
>> + remote-endpoint = <&adv7511_in>;
>> + };
>> + };
>> + };
>> +};
>> +
>> &ehci0 {
>> status = "okay";
>> };
>
>
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