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ARM: dts: at91: sama5d4_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>
Eugen Hristev 6 years ago
parent
commit
57fb8b4654
2 changed files with 21 additions and 0 deletions
  1. 16 0
      arch/arm/dts/at91-sama5d4_xplained.dts
  2. 5 0
      arch/arm/dts/sama5d4.dtsi

+ 16 - 0
arch/arm/dts/at91-sama5d4_xplained.dts

@@ -58,6 +58,18 @@
 		stdout-path = &usart3;
 	};
 
+	onewire_tm: onewire {
+		gpios = <&pioE 15 GPIO_ACTIVE_LOW>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_onewire_tm_default>;
+		status = "okay";
+
+		w1_eeprom: w1_eeprom@0 {
+			compatible = "maxim,ds24b33";
+			status = "okay";
+		};
+	};
+
 	memory {
 		reg = <0x20000000 0x20000000>;
 	};
@@ -199,6 +211,10 @@
 						atmel,pins =
 							<AT91_PIOE 1 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
 					};
+					pinctrl_onewire_tm_default: onewire_tm_default {
+						atmel,pins =
+							<AT91_PIOE 15 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>;
+					};
 				};
 			};
 		};

+ 5 - 0
arch/arm/dts/sama5d4.dtsi

@@ -1913,4 +1913,9 @@
 			};
 		};
 	};
+
+	onewire_tm: onewire {
+		compatible = "w1-gpio";
+		status = "disabled";
+	};
 };