From: Linus Walleij linus.walleij@linaro.org
commit f90b8fda3a9d72a9422ea80ae95843697f94ea4a upstream.
The SPI to the display on the DIR-685 is active low, we were just saved by the SPI library enforcing active low on everything before, so set it as active low to avoid ambiguity.
Link: https://lore.kernel.org/r/20190715202101.16060-1-linus.walleij@linaro.org Cc: stable@vger.kernel.org Signed-off-by: Linus Walleij linus.walleij@linaro.org Signed-off-by: Olof Johansson olof@lixom.net Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- arch/arm/boot/dts/gemini-dlink-dir-685.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/arm/boot/dts/gemini-dlink-dir-685.dts +++ b/arch/arm/boot/dts/gemini-dlink-dir-685.dts @@ -64,7 +64,7 @@ gpio-sck = <&gpio1 5 GPIO_ACTIVE_HIGH>; gpio-miso = <&gpio1 8 GPIO_ACTIVE_HIGH>; gpio-mosi = <&gpio1 7 GPIO_ACTIVE_HIGH>; - cs-gpios = <&gpio0 20 GPIO_ACTIVE_HIGH>; + cs-gpios = <&gpio0 20 GPIO_ACTIVE_LOW>; num-chipselects = <1>;
panel: display@0 {