From 6042f620ad777b9186e97fa37c8bf7bc89b0f4c0 Mon Sep 17 00:00:00 2001 From: Dmitry Lifshitz Date: Tue, 1 Dec 2015 20:03:16 +0200 Subject: [PATCH] ARM: dts: am57xx: sbc-am57x: add EEPROM support 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 Signed-off-by: Tony Lindgren --- 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 17a1972ba821..a3588ba6f0b3 100644 --- a/arch/arm/boot/dts/am57xx-sbc-am57x.dts +++ b/arch/arm/boot/dts/am57xx-sbc-am57x.dts @@ -43,6 +43,13 @@ usb1_pins: pinmux_usb1_pins { 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 { @@ -70,3 +77,16 @@ &usb1 { 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>; + }; +}; -- 2.45.2