Re: [PATCH v3 1/1] arm64: dts: imx93-11x11-evk: add rtc PCF2131 support

From: Marco Felsch
Date: Wed Apr 10 2024 - 03:40:43 EST


On 24-04-10, Joy Zou wrote:
> Support rtc PCF2131 on imx93-11x11-evk.
>
> Signed-off-by: Joy Zou <joy.zou@xxxxxxx>
> ---
> Changes in v3:
> 1.adjust the indentation.
>
> Changes in v2:
> 1. remove unnecessary status property.
> ---
> .../boot/dts/freescale/imx93-11x11-evk.dts | 24 +++++++++++++++++++
> 1 file changed, 24 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
> index 07e85a30a25f..73e0bca36b81 100644
> --- a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
> @@ -281,6 +281,23 @@ ldo5: LDO5 {
> };
> };
>
> +&lpi2c3 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + clock-frequency = <400000>;
> + pinctrl-names = "default", "sleep";
> + pinctrl-0 = <&pinctrl_lpi2c3>;
> + pinctrl-1 = <&pinctrl_lpi2c3>;

Are both "default" and "sleep" pinctrl's required? It doesn't make any
sense to provde a sleep state which uses the same pinctrl state.

Regards,
Marco

> + status = "okay";
> +
> + pcf2131: rtc@53 {
> + compatible = "nxp,pcf2131";
> + reg = <0x53>;
> + interrupt-parent = <&pcal6524>;
> + interrupts = <1 IRQ_TYPE_EDGE_FALLING>;
> + };
> +};
> +
> &iomuxc {
> pinctrl_eqos: eqosgrp {
> fsl,pins = <
> @@ -343,6 +360,13 @@ MX93_PAD_I2C2_SDA__LPI2C2_SDA 0x40000b9e
> >;
> };
>
> + pinctrl_lpi2c3: lpi2c3grp {
> + fsl,pins = <
> + MX93_PAD_GPIO_IO28__LPI2C3_SDA 0x40000b9e
> + MX93_PAD_GPIO_IO29__LPI2C3_SCL 0x40000b9e
> + >;
> + };
> +
> pinctrl_pcal6524: pcal6524grp {
> fsl,pins = <
> MX93_PAD_CCM_CLKO2__GPIO3_IO27 0x31e
> --
> 2.37.1
>
>
>