Hi Laurent,
Thanks for the review,
On 23/06/17 08:43, Laurent Pinchart wrote:
> Hi Kieran,
>
> Thank you for the patch.
>
> On Wednesday 14 Jun 2017 20:58:13 Kieran Bingham wrote:
>> From: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>
>>
>> The Salvator boards use an ADV7482 receiver for HDMI and CVBS inputs.
>>
>> Provide ADV7482 node on the i2c4 bus, along with connectors for the
>> hdmi and cvbs inputs, and link to the csi20 and csi40 nodes as outputs.
>>
>> Signed-off-by: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>
>>
>> v4:
>> - dt: Rebase to dts/renesas/salvator-x.dtsi
>> - dt: Use AIN0-7 rather than AIN1-8
>>
>> v5:
>> - dt: Move to salvator-common.dtsi
>> ---
>> arch/arm64/boot/dts/renesas/salvator-common.dtsi | 123 ++++++++++++++++-
>> 1 file changed, 123 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/renesas/salvator-common.dtsi
>> b/arch/arm64/boot/dts/renesas/salvator-common.dtsi index
>> aef35e0b685a..d74fb55c38bc 100644
>> --- a/arch/arm64/boot/dts/renesas/salvator-common.dtsi
>> +++ b/arch/arm64/boot/dts/renesas/salvator-common.dtsi
>> @@ -65,6 +65,27 @@
>> enable-gpios = <&gpio6 7 GPIO_ACTIVE_HIGH>;
>> };
>>
>> + cvbs-in {
>> + compatible = "composite-video-connector";
>> + label = "CVBS IN";
>> +
>> + port {
>> + cvbs_con: endpoint {
>> + };
>> + };
>> + };
>> +
>> + hdmi-in {
>> + compatible = "hdmi-connector";
>> + label = "HDMI IN";
>> + type = "a";
>> +
>> + port {
>> + hdmi_in_con: endpoint {
>> + };
>> + };
>> + };
>> +
>> reg_1p8v: regulator0 {
>> compatible = "regulator-fixed";
>> regulator-name = "fixed-1.8V";
>> @@ -257,6 +278,59 @@
>> };
>> };
>>
>> +&csi20 {
>> + status = "okay";
>> +
>> + ports {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> +
>> + port@0 {
>> + reg = <0>;
>
> Aren't #address-cells, #size-cells and reg already present in the SoC .dtsi ?
> And if they're not, shouldn't they be ? :-)
Hrm - I think I added them because I was getting warnings from the DTC.
I've removed them from the csi nodes and no warning returns :)
So they're gone.
>
>> + csi20_in: endpoint {
>> + clock-lanes = <0>;
>> + data-lanes = <1>;
>> + remote-endpoint = <&adv7482_txb>;
>> + };
>> + };
>> + };
>> +};
>> +
>> +&csi40 {
>> + status = "okay";
>> +
>> + ports {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
# Removed
>> +
>> + port@0 {
>> + reg = <0>;
>> +
>> + csi40_in: endpoint {
>> + clock-lanes = <0>;
>> + data-lanes = <1 2 3 4>;
>> + remote-endpoint = <&adv7482_txa>;
>> + };
>> + };
>> + };
>> +};
>> +
>> +&cvbs_con {
>> + port {
>> + cvbs_in: endpoint {
>> + remote-endpoint = <&adv7482_ain7>;
>> + };
>> + };
>> +};
>
> You could merge this with the cvbs_con node above.
What is the distinction that means cvbs_con can be merged where hdmi_in_con
would not ?
Similarly, I see that VGA out is 'merged' where hdmi outs are not ... is it just
determined by whether the connector is on all boards that inherit
salvator-common.dtsi ?
>
> Apart from that the patch looks good to me.
>
> Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
>
>> +&hdmi_in_con {
>> + port {
>> + hdmi_in: endpoint {
>> + remote-endpoint = <&adv7482_hdmi>;
>> + };
>> + };
>> +};
>> +
>> &du {
>> pinctrl-0 = <&du_pins>;
>> pinctrl-names = "default";
>> @@ -343,6 +417,55 @@
>>
>> shunt-resistor-micro-ohms = <5000>;
>> };
>> +
>> + video-receiver@70 {
>> + compatible = "adi,adv7482";
>> + reg = <0x70>;
>> +
>> + #address-cells = <1>;
>> + #size-cells = <0>;
But I can't remove these # without generating a warning message ...
>> +
>> + interrupt-parent = <&gpio6>;
>> + interrupt-names = "intrq1", "intrq2";
>> + interrupts = <30 IRQ_TYPE_LEVEL_LOW>,
>> + <31 IRQ_TYPE_LEVEL_LOW>;
>> +
>> + port@7 {
>> + reg = <7>;
>> +
>> + adv7482_ain7: endpoint {
>> + remote-endpoint = <&cvbs_in>;
>> + };
>> + };
>> +
>> + port@8 {
>> + reg = <8>;
>> +
>> + adv7482_hdmi: endpoint {
>> + remote-endpoint = <&hdmi_in>;
>> + };
>> + };
>> +
>> + port@10 {
>> + reg = <10>;
>> +
>> + adv7482_txa: endpoint {
>> + clock-lanes = <0>;
>> + data-lanes = <1 2 3 4>;
>> + remote-endpoint = <&csi40_in>;
>> + };
>> + };
>> +
>> + port@11 {
>> + reg = <11>;
>> +
>> + adv7482_txb: endpoint {
>> + clock-lanes = <0>;
>> + data-lanes = <1>;
>> + remote-endpoint = <&csi20_in>;
>> + };
>> + };
>> + };
>> };
>>
>> &i2c_dvfs {
>
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