The firmware leaves the pins in GPIO mode. Until we have a proper pinmux driver hooked on we just need to bitbang SPI. No big deal, this is just used for the power button and performance is not important.
Signed-off-by: Lubomir Rintel <[email protected]> --- arch/arm/boot/dts/mmp3-dell-ariel.dts | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/mmp3-dell-ariel.dts b/arch/arm/boot/dts/mmp3-dell-ariel.dts index c4a6bd876d849..fe6df364a9eb6 100644 --- a/arch/arm/boot/dts/mmp3-dell-ariel.dts +++ b/arch/arm/boot/dts/mmp3-dell-ariel.dts @@ -30,6 +30,17 @@ memory@0 { reg = <0x0 0x80000000>; device_type = "memory"; }; + + ec_input_spi: spi { + compatible = "spi-gpio"; + #address-cells = <1>; + #size-cells = <0>; + + num-chipselects = <0>; + sck-gpios = <&gpio 55 GPIO_ACTIVE_HIGH>; + miso-gpios = <&gpio 57 GPIO_ACTIVE_HIGH>; + mosi-gpios = <&gpio 58 GPIO_ACTIVE_HIGH>; + }; }; &uart3 { @@ -118,7 +129,7 @@ firmware-flash@0 { }; }; -&ssp2 { +&ec_input_spi { status = "okay"; cs-gpios = <&gpio 56 GPIO_ACTIVE_LOW>; -- 2.29.2
