ODROID-C4: arm64/dts: add PPS support over gpio pin #7

Requested and tested by https://forum.odroid.com/viewtopic.php?p=386053#p386053 Change-Id: I7b58904f4caddca0c664896a4bfeaf84762b6b83 Signed-off-by: Dongjin Kim <tobetter@gmail.com>
hardkernel · Jun 5, 2024 · 743c8af · 743c8af
1 parent b217bb3
commit 743c8af
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diff --git a/arch/arm64/boot/dts/amlogic/overlays/odroidc4/Makefile b/arch/arm64/boot/dts/amlogic/overlays/odroidc4/Makefile
@@ -20,6 +20,7 @@ dtbo-$(CONFIG_ARCH_MESON64_ODROIDC4) += spi0.dtbo		\
 					esp8089.dtbo		\
 					sdio.dtbo		\
 					fanspeed-full.dtbo	\
+					pps-gpio_p7.dtbo	\
 					pps-gpio_p11.dtbo	\
 					pps-gpio_p12.dtbo	\
 					pwm_ab.dtbo		\

diff --git a/arch/arm64/boot/dts/amlogic/overlays/odroidc4/pps-gpio_p7.dts b/arch/arm64/boot/dts/amlogic/overlays/odroidc4/pps-gpio_p7.dts
@@ -0,0 +1,19 @@
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/meson-g12a-gpio.h>
+#include <dt-bindings/gpio/gpio.h>
+
+/ {
+	fragment@0 {
+		target-path = "/";
+
+		__overlay__ {
+			pps: pps {
+				compatible = "pps-gpio";
+				gpios = <&gpio GPIOX_5 GPIO_ACTIVE_HIGH>;
+				status = "okay";
+			};
+		};
+	};
+};