From 2b238c6cdbe4be9ddf2dec126e8a09a6c99d5b37 Mon Sep 17 00:00:00 2001
From: Eugen Hristev <eugen.hristev@microchip.com>
Date: Tue, 18 Sep 2018 10:35:54 +0300
Subject: [PATCH] ARM: dts: at91: sama5d3_xplained: add onewire connector for
 LCD eeprom

Add onewire node in device tree for TM series LCDs

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
---
 arch/arm/dts/at91-sama5d3_xplained.dts | 17 +++++++++++++++++
 arch/arm/dts/sama5d3.dtsi              |  5 +++++
 2 files changed, 22 insertions(+)

diff --git a/arch/arm/dts/at91-sama5d3_xplained.dts b/arch/arm/dts/at91-sama5d3_xplained.dts
index 69597102fb..20fba5f067 100644
--- a/arch/arm/dts/at91-sama5d3_xplained.dts
+++ b/arch/arm/dts/at91-sama5d3_xplained.dts
@@ -36,6 +36,18 @@
 		};
 	};
 
+	onewire_tm: onewire {
+		gpios = <&pioE 23 GPIO_ACTIVE_LOW>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_onewire_tm_default>;
+		status = "okay";
+
+		w1_eeprom: w1_eeprom@0 {
+			compatible = "maxim,ds24b33";
+			status = "okay";
+		};
+	};
+
 	ahb {
 		apb {
 			mmc0: mmc@f0000000 {
@@ -243,6 +255,11 @@
 						atmel,pins =
 							<AT91_PIOE 9 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;	/* PE9, conflicts with A9 */
 					};
+
+					pinctrl_onewire_tm_default: onewire_tm_default {
+						atmel,pins =
+							<AT91_PIOE 23 AT91_PERIPH_GPIO AT91_PINCTRL_NONE>;
+					};
 				};
 			};
 		};
diff --git a/arch/arm/dts/sama5d3.dtsi b/arch/arm/dts/sama5d3.dtsi
index ba707b0ddf..7db66c5d50 100644
--- a/arch/arm/dts/sama5d3.dtsi
+++ b/arch/arm/dts/sama5d3.dtsi
@@ -1534,4 +1534,9 @@
 			};
 		};
 	};
+
+	onewire_tm: onewire {
+		compatible = "w1-gpio";
+		status = "disabled";
+	};
 };
-- 
GitLab