[U-Boot] [PATCH v2 12/30] sandbox: DTS: w1: add node for one wire interface on GPIO

Eugen Hristev eugen.hristev at microchip.com
Thu Aug 9 13:53:56 UTC 2018


Add a node for the one wire uclass and one wire gpio driver
in sandbox.

Signed-off-by: Eugen Hristev <eugen.hristev at microchip.com>
---
 arch/sandbox/dts/sandbox.dts | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/sandbox/dts/sandbox.dts b/arch/sandbox/dts/sandbox.dts
index 0ea2452..2be836d 100644
--- a/arch/sandbox/dts/sandbox.dts
+++ b/arch/sandbox/dts/sandbox.dts
@@ -160,6 +160,7 @@
 
 	pinctrl {
 		compatible = "sandbox,pinctrl";
+		status = "okay";
 
 		pinctrl_i2c0: i2c0 {
 			groups = "i2c";
@@ -171,6 +172,12 @@
 			groups = "serial_a";
 			function = "serial";
 		};
+
+		pinctrl_onewire0: onewire0 {
+			groups = "w1";
+			function = "w1";
+			bias-pull-up;
+		};
 	};
 
 	reset at 1 {
@@ -319,6 +326,19 @@
 			};
 		};
 	};
+
+	onewire0: onewire {
+		compatible = "w1-gpio";
+		gpios = <&gpio_a 8>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_onewire0>;
+		status = "okay";
+
+		sandbox_eeprom0: sandbox_eeprom at 0 {
+			compatible = "sandbox,w1-eeprom";
+			status = "okay";
+		};
+	};
 };
 
 #include "cros-ec-keyboard.dtsi"
-- 
2.7.4



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