diff mbox series

[5/5] ARM: dts: at91: at91-sama5d27_som1: Enable eeprom device

Message ID 20200403061222.1277147-5-tudor.ambarus@microchip.com (mailing list archive)
State Mainlined
Commit 2fdc4e1c8cb1b291b920f514afad8d7ce286851d
Headers show
Series [1/5] ARM: dts: at91: sam9x60ek: Use quad mode in the spi-nor flash | expand

Commit Message

Tudor Ambarus April 3, 2020, 6:12 a.m. UTC 
From: Ludovic Desroches <ludovic.desroches@microchip.com>

There is an EEPROM on at91-sama5d27_som1 connected to i2c0. i2c0 node
has to be moved from at91-sama5d27_som1_ek to at91-sama5d27_som1.

Enable the i2c EEPROM found on at91-sama5d27_som1. Add an alias for the
i2c node.

Signed-off-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Tested-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
---
 arch/arm/boot/dts/at91-sama5d27_som1.dtsi   | 22 +++++++++++++++++++++
 arch/arm/boot/dts/at91-sama5d27_som1_ek.dts | 14 -------------
 2 files changed, 22 insertions(+), 14 deletions(-)
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/at91-sama5d27_som1.dtsi b/arch/arm/boot/dts/at91-sama5d27_som1.dtsi
index 919000f467e6..b1f994c0ae79 100644
--- a/arch/arm/boot/dts/at91-sama5d27_som1.dtsi
+++ b/arch/arm/boot/dts/at91-sama5d27_som1.dtsi
@@ -13,6 +13,10 @@ 
 	model = "Atmel SAMA5D27 SoM1";
 	compatible = "atmel,sama5d27-som1", "atmel,sama5d27", "atmel,sama5d2", "atmel,sama5";
 
+	aliases {
+		i2c0	= &i2c0;
+	};
+
 	clocks {
 		slow_xtal {
 			clock-frequency = <32768>;
@@ -89,7 +93,25 @@ 
 				};
 			};
 
+			i2c0: i2c@f8028000 {
+				dmas = <0>, <0>;
+				pinctrl-names = "default";
+				pinctrl-0 = <&pinctrl_i2c0_default>;
+				status = "okay";
+
+				at24@50 {
+					compatible = "24c02";
+					reg = <0x50>;
+					pagesize = <8>;
+				};
+			};
+
 			pinctrl@fc038000 {
+				pinctrl_i2c0_default: i2c0_default {
+					pinmux = <PIN_PD21__TWD0>,
+						 <PIN_PD22__TWCK0>;
+					bias-disable;
+				};
 
 				pinctrl_qspi1_default: qspi1_default {
 					sck_cs {
diff --git a/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts b/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts
index 535627c6045b..b0853bf7901c 100644
--- a/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts
+++ b/arch/arm/boot/dts/at91-sama5d27_som1_ek.dts
@@ -20,7 +20,6 @@ 
 		serial0 = &uart1;	/* DBGU */
 		serial1 = &uart4;	/* mikro BUS 1 */
 		serial2 = &uart2;	/* mikro BUS 2 */
-		i2c0	= &i2c0;
 		i2c1	= &i2c1;
 		i2c2	= &i2c2;
 	};
@@ -116,13 +115,6 @@ 
 				status = "okay";
 			};
 
-			i2c0: i2c@f8028000 {
-				dmas = <0>, <0>;
-				pinctrl-names = "default";
-				pinctrl-0 = <&pinctrl_i2c0_default>;
-				status = "okay";
-			};
-
 			pwm0: pwm@f802c000 {
 				pinctrl-names = "default";
 				pinctrl-0 = <&pinctrl_mikrobus1_pwm &pinctrl_mikrobus2_pwm>;
@@ -289,12 +281,6 @@ 
 					bias-disable;
 				};
 
-				pinctrl_i2c0_default: i2c0_default {
-					pinmux = <PIN_PD21__TWD0>,
-						 <PIN_PD22__TWCK0>;
-					bias-disable;
-				};
-
 				pinctrl_i2c1_default: i2c1_default {
 					pinmux = <PIN_PD4__TWD1>,
 						 <PIN_PD5__TWCK1>;