2017-03-24 16:58 GMT+01:00 Rob Herring <robh@xxxxxxxxxx>:
> On Mon, Mar 20, 2017 at 02:32:22PM +0100, Richard Genoud wrote:
>> This adds support for the Winstar Display Co. WF35LTIACD 3.5" QVGA TFT
>> LCD panel, which can be supported by the simple panel driver.
>>
>> Signed-off-by: Richard Genoud <richard.genoud@xxxxxxxxx>
>> ---
>>
>> Changes since v1:
>> Add power-supply property and an example in documentation
>>
>> .../bindings/display/panel/winstar,wf35ltiacd | 53 ++++++++++++++++++++++
>> drivers/gpu/drm/panel/panel-simple.c | 28 ++++++++++++
>> 2 files changed, 81 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/display/panel/winstar,wf35ltiacd
>>
>> diff --git a/Documentation/devicetree/bindings/display/panel/winstar,wf35ltiacd b/Documentation/devicetree/bindings/display/panel/winstar,wf35ltiacd
>> new file mode 100644
>> index 000000000000..9ff59b868b28
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/display/panel/winstar,wf35ltiacd
>> @@ -0,0 +1,53 @@
>> +Winstar Display Corporation 3.5" QVGA (320x240) TFT LCD panel
>> +
>> +Required properties:
>> +- compatible: should be "winstar,wf35ltiacd"
>> +- power-supply: regulator to provide the VCC supply voltage (3.3 volts)
>> +
>> +This binding is compatible with the simple-panel binding, which is specified
>> +in simple-panel.txt in this directory.
>> +
>> +Example:
>> + backlight: backlight {
>> + compatible = "pwm-backlight";
>> + pwms = <&hlcdc_pwm 0 50000 PWM_POLARITY_INVERTED>;
>> + brightness-levels = <0 31 63 95 127 159 191 223 255>;
>> + default-brightness-level = <191>;
>> + power-supply = <&bl_reg>;
>> + status = "okay";
>
> Drop status from examples.
>
>> + };
>> +
>> + bl_reg: backlight_regulator {
>> + compatible = "regulator-fixed";
>> + regulator-name = "backlight-power-supply";
>> + regulator-min-microvolt = <5000000>;
>> + regulator-max-microvolt = <5000000>;
>> + status = "okay";
>> + };
>> +
>> + panel: panel {
>> + compatible = "winstar,wf35ltiacd", "simple-panel";
>> + backlight = <&backlight>;
>> + power-supply = <&panel_reg>;
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + status = "okay";
>> +
>> + port@0 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> +
>> + panel_input: endpoint@0 {
>> + reg = <0>;
>
> You don't need reg and unit-addresses for these.
>
> With that,
>
> Acked-by: Rob Herring <robh@xxxxxxxxxx>
>
Ok, I'll resend the patch with reg and unit-addresses removed.
Thanks !
>> + remote-endpoint = <&hlcdc_panel_output>;
>> + };
>> + };
>> + };
>> +
>> + panel_reg: panel_regulator {
>> + compatible = "regulator-fixed";
>> + regulator-name = "panel-power-supply";
>> + regulator-min-microvolt = <3300000>;
>> + regulator-max-microvolt = <3300000>;
>> + status = "okay";
>> + };
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