于 2019年10月3日 GMT+08:00 下午7:47:33, Maxime Ripard <mripard@xxxxxxxxxx> 写到: >On Thu, Oct 03, 2019 at 12:15:24PM +0530, Jagan Teki wrote: >> Allwinner MIPI DSI controllers are supplied with SoC DSI >> power rails via VCC-DSI pin. >> >> Some board still work without supplying this but give more >> faith on datasheet and hardware schematics and document this >> supply property in required property list. >> >> Reviewed-by: Rob Herring <robh@xxxxxxxxxx> >> Tested-by: Merlijn Wajer <merlijn@xxxxxxxxxx> >> Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> >> --- >> .../bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml | 3 >+++ >> 1 file changed, 3 insertions(+) >> >> diff --git >a/Documentation/devicetree/bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml >b/Documentation/devicetree/bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml >> index 47950fced28d..9d4c25b104f6 100644 >> --- >a/Documentation/devicetree/bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml >> +++ >b/Documentation/devicetree/bindings/display/allwinner,sun6i-a31-mipi-dsi.yaml >> @@ -36,6 +36,9 @@ properties: >> resets: >> maxItems: 1 >> >> + vcc-dsi-supply: >> + description: VCC-DSI power supply of the DSI encoder >> + > >The driver treats it as mandatory, so I've added it to the binding, as >suggested by the commit log. No. The regulator_get function will return dummy regulator, rather than fail, if the regulator is not specified. > >Maxime -- 使用 K-9 Mail 发送自我的Android设备。
