ARM: dts: mmp3-dell-ariel: Replace SSP2 with spi-gpio

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 <lkundrak@v3.sk>
Link: https://lore.kernel.org/r/20210121034130.1381872-12-lkundrak@v3.sk'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

diff --git a/arch/arm/boot/dts/mmp3-dell-ariel.dts b/arch/arm/boot/dts/mmp3-dell-ariel.dts
index c4a6bd8..fe6df36 100644 (file)
--- a/arch/arm/boot/dts/mmp3-dell-ariel.dts
+++ b/arch/arm/boot/dts/mmp3-dell-ariel.dts
@@ -30,6 +30,17 @@
                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 @@
        };
 };
 
-&ssp2 {
+&ec_input_spi {
        status = "okay";
        cs-gpios = <&gpio 56 GPIO_ACTIVE_LOW>;