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| author | Douglas Anderson <dianders@chromium.org> | 2020-05-07 14:34:56 -0700 |
|---|---|---|
| committer | Sam Ravnborg <sam@ravnborg.org> | 2020-05-09 22:11:22 +0200 |
| commit | d2528306528d6cca4e1608642a8efec95d7b13dd (patch) | |
| tree | 5ff4d7f81975f74e524dc73e0a44a1c867e70e6d /Documentation | |
| parent | cfe40d02238e7dae6f476974b022bdd36ebb96e5 (diff) | |
dt-bindings: display: Add hpd-gpios to panel-common bindings
In the cases where there is no connector in a system there's no great
place to put "hpd-gpios". As per discussion [1] the best place to put
it is in the panel. Add this to the device tree bindings.
[1] https://lore.kernel.org/r/20200417180819.GE5861@pendragon.ideasonboard.com
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200507143354.v5.2.I1976736b400a3b30e46efa47782248b86b3bc627@changeid
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/display/panel/panel-common.yaml | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/panel/panel-common.yaml b/Documentation/devicetree/bindings/display/panel/panel-common.yaml index 17b8367f12dd..a747b755ad06 100644 --- a/Documentation/devicetree/bindings/display/panel/panel-common.yaml +++ b/Documentation/devicetree/bindings/display/panel/panel-common.yaml @@ -96,6 +96,12 @@ properties: (hot plug detect) signal, but the signal isn't hooked up so we should hardcode the max delay from the panel spec when powering up the panel. + hpd-gpios: + maxItems: 1 + description: + If Hot Plug Detect (HPD) is connected to a GPIO in the system rather + than a dedicated HPD pin the pin can be specified here. + # Control I/Os # Many display panels can be controlled through pins driven by GPIOs. The nature |