ARM: dts: at91: at91-sama5d27_som1: Enable eeprom device

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>
Link: https://lore.kernel.org/r/20200403061222.1277147-5-tudor.ambarus@microchip.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

diff --git a/arch/arm/boot/dts/at91-sama5d27_som1.dtsi b/arch/arm/boot/dts/at91-sama5d27_som1.dtsi
index 919000f..b1f994c 100644 (file)
--- 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 535627c..b0853bf 100644 (file)
--- 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>;