diff options
| author | Ludovic Desroches <ludovic.desroches@microchip.com> | 2020-04-03 06:12:27 +0000 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2020-04-13 13:00:09 +0200 |
| commit | 2fdc4e1c8cb1b291b920f514afad8d7ce286851d (patch) | |
| tree | 28dd90d9cfd05d5593d20735ab39f8cb61703df9 /arch/arm | |
| parent | 51cca920ce84356d53068ac83a53ba8c45879a0e (diff) | |
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>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/boot/dts/at91-sama5d27_som1.dtsi | 22 | ||||
| -rw-r--r-- | 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>; |