[U-Boot] [PATCH v2 29/30] ARM: dts: at91: sama5d27_som1_ek: add onewire connector for LCD eeprom

Eugen Hristev eugen.hristev at microchip.com
Thu Aug 9 13:54:13 UTC 2018


Add onewire node in device tree for TM series LCDs

Signed-off-by: Eugen Hristev <eugen.hristev at microchip.com>
---
 arch/arm/dts/at91-sama5d27_som1_ek.dts | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/arch/arm/dts/at91-sama5d27_som1_ek.dts b/arch/arm/dts/at91-sama5d27_som1_ek.dts
index 5e62d4a..4cd6db6 100644
--- a/arch/arm/dts/at91-sama5d27_som1_ek.dts
+++ b/arch/arm/dts/at91-sama5d27_som1_ek.dts
@@ -54,6 +54,18 @@
 		stdout-path = &uart1;
 	};
 
+	onewire_tm: onewire {
+		gpios = <&pioA 17 0>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_onewire_tm_default>;
+		status = "okay";
+
+		w1_eeprom: w1_eeprom at 0 {
+			compatible = "maxim,ds24b33";
+			status = "okay";
+		};
+	};
+
 	ahb {
 		usb1: ohci at 00400000 {
 			num-ports = <3>;
@@ -208,6 +220,11 @@
 						pinmux = <PIN_PA31__GPIO>;
 						bias-disable;
 					};
+
+					pinctrl_onewire_tm_default: onewire_tm_default {
+						pinmux = <PIN_PA17__GPIO>;
+						bias-pull-up;
+					};
 				};
 			};
 		};
-- 
2.7.4



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