[PATCH linux 1/2] ARM: dts: aspeed: zaius: Add 1-wire buses

[Xo Wang]

Add device-tree bindings to instantiate GPIO-based 1-wire buses. These
go to headers for DS18B20 thermal sensors.

Signed-off-by: Xo Wang <xow at google.com>
---
 arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts b/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts
index b52e45e..3d997d9 100644
--- a/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts
@@ -20,6 +20,26 @@
 		reg = <0x80000000 0x40000000>;
 	};
 
+	onewire0 {
+		compatible = "w1-gpio";
+		gpios = <&gpio ASPEED_GPIO(H, 0) GPIO_ACTIVE_HIGH>;
+	};
+
+	onewire1 {
+		compatible = "w1-gpio";
+		gpios = <&gpio ASPEED_GPIO(H, 1) GPIO_ACTIVE_HIGH>;
+	};
+
+	onewire2 {
+		compatible = "w1-gpio";
+		gpios = <&gpio ASPEED_GPIO(H, 2) GPIO_ACTIVE_HIGH>;
+	};
+
+	onewire3 {
+		compatible = "w1-gpio";
+		gpios = <&gpio ASPEED_GPIO(H, 3) GPIO_ACTIVE_HIGH>;
+	};
+
 	leds {
 		compatible = "gpio-leds";
 
-- 
2.8.0.rc3.226.g39d4020