From: Ludovic Desroches <ludovic.desroches@xxxxxxxxxxxxx>
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@xxxxxxxxxxxxx>
Tested-by: Tudor Ambarus <tudor.ambarus@xxxxxxxxxxxxx>
Signed-off-by: Tudor Ambarus <tudor.ambarus@xxxxxxxxxxxxx>
---
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 --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>;
--
2.23.0
