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authorJonathan Neuschäfer <j.neuschaefer@gmx.net>2022-01-29 12:52:27 +0100
committerJoel Stanley <joel@jms.id.au>2022-02-15 06:54:04 +0100
commit706c4fec115db534b2c97e5cdb9762ec3ffc2937 (patch)
tree63ab87350acaed6fee6b0c33707aa47a3de0d6b0
parentARM: dts: wpcm450: Add pin functions (diff)
downloadlinux-706c4fec115db534b2c97e5cdb9762ec3ffc2937.tar.xz
linux-706c4fec115db534b2c97e5cdb9762ec3ffc2937.zip
ARM: dts: wpcm450-supermicro-x9sci-ln4f: Add GPIO LEDs and buttons
The Supermicro X9SCi-LN4F server mainboard has a two LEDs and a button under the control of the BMC. This patch makes them accessible under Linux running on the BMC. Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Link: https://lore.kernel.org/r/20220129115228.2257310-9-j.neuschaefer@gmx.net Signed-off-by: Joel Stanley <joel@jms.id.au>
-rw-r--r--arch/arm/boot/dts/nuvoton-wpcm450-supermicro-x9sci-ln4f.dts43
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/nuvoton-wpcm450-supermicro-x9sci-ln4f.dts b/arch/arm/boot/dts/nuvoton-wpcm450-supermicro-x9sci-ln4f.dts
index 83f27fbf4e93..3ee61251a16d 100644
--- a/arch/arm/boot/dts/nuvoton-wpcm450-supermicro-x9sci-ln4f.dts
+++ b/arch/arm/boot/dts/nuvoton-wpcm450-supermicro-x9sci-ln4f.dts
@@ -8,6 +8,9 @@
#include "nuvoton-wpcm450.dtsi"
+#include <dt-bindings/input/linux-event-codes.h>
+#include <dt-bindings/gpio/gpio.h>
+
/ {
model = "Supermicro X9SCi-LN4F BMC";
compatible = "supermicro,x9sci-ln4f-bmc", "nuvoton,wpcm450";
@@ -20,6 +23,46 @@
device_type = "memory";
reg = <0 0x08000000>; /* 128 MiB */
};
+
+ gpio-keys {
+ compatible = "gpio-keys";
+ pinctrl-names = "default";
+ pinctrl-0 = <&key_pins>;
+
+ uid {
+ label = "UID button";
+ linux,code = <KEY_HOME>;
+ gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>;
+ };
+ };
+
+ gpio-leds {
+ compatible = "gpio-leds";
+ pinctrl-names = "default";
+ pinctrl-0 = <&led_pins>;
+
+ uid {
+ label = "UID";
+ gpios = <&gpio1 7 GPIO_ACTIVE_HIGH>;
+ };
+
+ heartbeat {
+ label = "heartbeat";
+ gpios = <&gpio1 4 GPIO_ACTIVE_LOW>;
+ };
+ };
+};
+
+&pinctrl {
+ key_pins: mux-keys {
+ groups = "gspi", "sspi";
+ function = "gpio";
+ };
+
+ led_pins: mux-leds {
+ groups = "hg3", "hg0", "pwm4";
+ function = "gpio";
+ };
};
&serial0 {