support rtc pcf2131 for imx93.
Signed-off-by: Joy Zou joy.zou@nxp.com --- Changes in v3: 1. remove arch/arm/dts/imx93.dtsi modification because this change have existed.
Changes in v2: 1. use the flag bootph-pre-ram instead of uboot,dm-spl. --- arch/arm/dts/imx93-11x11-evk-u-boot.dtsi | 8 ++++++++ arch/arm/dts/imx93-11x11-evk.dts | 25 ++++++++++++++++++++++++ 2 files changed, 33 insertions(+)
diff --git a/arch/arm/dts/imx93-11x11-evk-u-boot.dtsi b/arch/arm/dts/imx93-11x11-evk-u-boot.dtsi index a99ba99bfb..2dbe33f073 100644 --- a/arch/arm/dts/imx93-11x11-evk-u-boot.dtsi +++ b/arch/arm/dts/imx93-11x11-evk-u-boot.dtsi @@ -112,6 +112,10 @@ bootph-some-ram; };
+&lpi2c3 { + bootph-pre-ram; +}; + &{/soc@0/bus@44000000/i2c@44350000/pmic@25} { bootph-pre-ram; bootph-some-ram; @@ -127,6 +131,10 @@ bootph-some-ram; };
+&pinctrl_lpi2c3 { + bootph-pre-ram; +}; + &fec { phy-reset-gpios = <&pcal6524 16 GPIO_ACTIVE_LOW>; phy-reset-duration = <15>; diff --git a/arch/arm/dts/imx93-11x11-evk.dts b/arch/arm/dts/imx93-11x11-evk.dts index 4322cc3e11..8b57de3b4c 100644 --- a/arch/arm/dts/imx93-11x11-evk.dts +++ b/arch/arm/dts/imx93-11x11-evk.dts @@ -192,6 +192,24 @@ }; };
+&lpi2c3 { + #address-cells = <1>; + #size-cells = <0>; + clock-frequency = <400000>; + pinctrl-names = "default", "sleep"; + pinctrl-0 = <&pinctrl_lpi2c3>; + pinctrl-1 = <&pinctrl_lpi2c3>; + status = "okay"; + + pcf2131: rtc@53 { + compatible = "nxp,pcf2131"; + reg = <0x53>; + interrupt-parent = <&pcal6524>; + interrupts = <1 IRQ_TYPE_LEVEL_LOW>; + status = "okay"; + }; +}; + &lpuart1 { /* console */ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_uart1>; @@ -254,6 +272,13 @@ >; };
+ pinctrl_lpi2c3: lpi2c3grp { + fsl,pins = < + MX93_PAD_GPIO_IO28__LPI2C3_SDA 0x40000b9e + MX93_PAD_GPIO_IO29__LPI2C3_SCL 0x40000b9e + >; + }; + pinctrl_fec: fecgrp { fsl,pins = < MX93_PAD_ENET2_MDC__ENET1_MDC 0x57e