From 2fdc4e1c8cb1b291b920f514afad8d7ce286851d Mon Sep 17 00:00:00 2001 From: Ludovic Desroches Date: Fri, 3 Apr 2020 06:12:27 +0000 Subject: [PATCH] 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 Tested-by: Tudor Ambarus Signed-off-by: Tudor Ambarus Link: https://lore.kernel.org/r/20200403061222.1277147-5-tudor.ambarus@microchip.com Signed-off-by: Alexandre Belloni --- 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 919000f..b1f994c 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 = , + ; + 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 --- 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 = , - ; - bias-disable; - }; - pinctrl_i2c1_default: i2c1_default { pinmux = , ; -- 2.7.4