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authorLubomir Rintel <lkundrak@v3.sk>2021-01-21 04:41:29 +0100
committerArnd Bergmann <arnd@arndb.de>2021-02-02 18:14:00 +0100
commit0561cba77cafdbfa966eeb87163d2e874e3669e5 (patch)
treeb5a01f3e7729cf54d22b7627233bd3e51d9a0ad7 /arch
parent49061130eb1f654065b25903d57dad41519ee6c9 (diff)
downloadlinux-0561cba77cafdbfa966eeb87163d2e874e3669e5.tar.bz2
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>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/boot/dts/mmp3-dell-ariel.dts13
1 files changed, 12 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/mmp3-dell-ariel.dts b/arch/arm/boot/dts/mmp3-dell-ariel.dts
index c4a6bd876d84..fe6df364a9eb 100644
--- 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>;