The kernel device trees for the platform already describe the RTC, so let's do the same in barebox as well. Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx> --- arch/arm/dts/imx8mp-skov.dts | 39 ++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/arch/arm/dts/imx8mp-skov.dts b/arch/arm/dts/imx8mp-skov.dts index 3761da89cae7..6e21b81c30a1 100644 --- a/arch/arm/dts/imx8mp-skov.dts +++ b/arch/arm/dts/imx8mp-skov.dts @@ -33,6 +33,7 @@ aliases { ethernet1 = &lan1; ethernet2 = &lan2; state = &state; + rtc0 = &i2c_rtc; }; leds { @@ -322,6 +323,24 @@ ldo5: LDO5 { }; }; +&i2c3 { + clock-frequency = <100000>; + pinctrl-names = "default", "gpio"; + pinctrl-0 = <&pinctrl_i2c3>, <&pinctrl_i2c3_gpio>; + scl-gpios = <&gpio5 18 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + sda-gpios = <&gpio5 19 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>; + status = "okay"; + + i2c_rtc: rtc@51 { + compatible = "nxp,pcf85063tp"; + reg = <0x51>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_rtc>; + interrupts-extended = <&gpio4 31 IRQ_TYPE_EDGE_FALLING>; + quartz-load-femtofarads = <12500>; + }; +}; + &i2c4 { clock-frequency = <100000>; pinctrl-names = "default"; @@ -493,6 +512,20 @@ MX8MP_IOMUXC_I2C1_SDA__I2C1_SDA 0x400001c2 >; }; + pinctrl_i2c3: i2c3grp { + fsl,pins = < + MX8MP_IOMUXC_I2C3_SCL__I2C3_SCL 0x400001c2 + MX8MP_IOMUXC_I2C3_SDA__I2C3_SDA 0x400001c2 + >; + }; + + pinctrl_i2c3_gpio: i2c3gpiogrp { + fsl,pins = < + MX8MP_IOMUXC_I2C3_SCL__GPIO5_IO18 0x400001c2 + MX8MP_IOMUXC_I2C3_SDA__GPIO5_IO19 0x400001c2 + >; + }; + pinctrl_i2c4: i2c4grp { fsl,pins = < MX8MP_IOMUXC_I2C4_SCL__I2C4_SCL 0x400001c3 @@ -500,6 +533,12 @@ MX8MP_IOMUXC_I2C4_SDA__I2C4_SDA 0x400001c3 >; }; + pinctrl_rtc: rtcgrp { + fsl,pins = < + MX8MP_IOMUXC_SAI3_TXFS__GPIO4_IO31 0x41 + >; + }; + pinctrl_switch: switchgrp { fsl,pins = < MX8MP_IOMUXC_SAI3_TXD__GPIO5_IO01 0x41 -- 2.39.2