On-board EEPROM chip is used for storing a board production info.
Add carrier board EEPROM support (over I2C5 bus).
Signed-off-by: Dmitry Lifshitz <lifshitz@xxxxxxxxxxxxxx>
---
arch/arm/boot/dts/am57xx-sbc-am57x.dts | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/arch/arm/boot/dts/am57xx-sbc-am57x.dts b/arch/arm/boot/dts/am57xx-sbc-am57x.dts
index b92650b..7b65efb 100644
--- a/arch/arm/boot/dts/am57xx-sbc-am57x.dts
+++ b/arch/arm/boot/dts/am57xx-sbc-am57x.dts
@@ -44,6 +44,13 @@
DRA7XX_CORE_IOPAD(0x3680, PIN_INPUT_SLEW | MUX_MODE0) /* usb1_drvvbus */
>;
};
+
+ i2c5_pins_default: i2c5_pins_default {
+ pinctrl-single,pins = <
+ DRA7XX_CORE_IOPAD(0x36b4, PIN_INPUT| MUX_MODE10) /* mcasp1_axr0.i2c5_sda */
+ DRA7XX_CORE_IOPAD(0x36b8, PIN_INPUT| MUX_MODE10) /* mcasp1_axr1.i2c5_scl */
+ >;
+ };
};
&uart3 {
@@ -71,3 +78,16 @@
pinctrl-names = "default";
pinctrl-0 = <&usb1_pins>;
};
+
+&i2c5 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2c5_pins_default>;
+ clock-frequency = <400000>;
+
+ eeprom_base: atmel@50 {
+ compatible = "atmel,24c08";
+ reg = <0x50>;
+ pagesize = <16>;
+ };
+};
--
1.9.1
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