From e5a608e0875a613504860a6f11029ca8f9bd67c0 Mon Sep 17 00:00:00 2001
From: "steve.jeong" <jkhpro1003@gmail.com>
Date: Thu, 2 Jun 2022 15:53:21 +0900
Subject: [PATCH] ODROID-M1: dtb/dtbo: Add onewire

Signed-off-by: Steve Jeong <how2soft@gmail.com>
Change-Id: I70e736833e92e936e15038d3a9d88e62ea35042f
---
 .../dts/rockchip/overlays/odroidm1/Makefile   |  1 +
 .../rockchip/overlays/odroidm1/onewire.dts    | 19 +++++++++++++++++++
 2 files changed, 20 insertions(+)
 create mode 100644 arch/arm64/boot/dts/rockchip/overlays/odroidm1/onewire.dts

diff --git a/arch/arm64/boot/dts/rockchip/overlays/odroidm1/Makefile b/arch/arm64/boot/dts/rockchip/overlays/odroidm1/Makefile
index 996a6376a7f3..99f2091413c8 100644
--- a/arch/arm64/boot/dts/rockchip/overlays/odroidm1/Makefile
+++ b/arch/arm64/boot/dts/rockchip/overlays/odroidm1/Makefile
@@ -3,6 +3,7 @@
 dtbo-$(CONFIG_ARCH_ROCKCHIP_ODROIDM1) += \
 	i2c0.dtbo \
 	i2c1.dtbo \
+	onewire.dtbo \
 	pwm1.dtbo \
 	pwm2.dtbo \
 	pwm9.dtbo \
diff --git a/arch/arm64/boot/dts/rockchip/overlays/odroidm1/onewire.dts b/arch/arm64/boot/dts/rockchip/overlays/odroidm1/onewire.dts
new file mode 100644
index 000000000000..e02850ed2372
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlays/odroidm1/onewire.dts
@@ -0,0 +1,19 @@
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pinctrl/rockchip.h>
+
+/ {
+	fragment@0 {
+		target-path = "/";
+
+		__overlay__ {
+				onewire:onewire {
+					compatible = "w1-gpio";
+					gpios = <&gpio3 RK_PB2 GPIO_ACTIVE_HIGH>;
+					status = "okay";
+			};
+		};
+	};
+};