Re: [PATCH 1/2] arm64: dts: imx8mm-evk: Add i2c3 support
From: Shawn Guo
Date: Mon Oct 07 2019 - 08:23:49 EST
On Thu, Sep 19, 2019 at 05:46:47PM +0800, Anson Huang wrote:
> Enable i2c3 for i.MX8MM EVK board.
>
> Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx>
> ---
> arch/arm64/boot/dts/freescale/imx8mm-evk.dts | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
> index f7a15f3..7758c1c 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mm-evk.dts
> @@ -306,6 +306,13 @@
> };
> };
>
> +&i2c3 {
> + clock-frequency = <400000>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c3>;
> + status = "okay";
> +};
> +
> &iomuxc {
The iomuxc node is being put at end of file because of its huge pinctrl
data. I2C devices should be placed in alphabetical sort though. Can
you please have a patch moving i2c1 and i2c2 to correct place first,
and then add i2c3?
Shawn
> pinctrl-names = "default";
>
> @@ -355,6 +362,13 @@
> >;
> };
>
> + pinctrl_i2c3: i2c3grp {
> + fsl,pins = <
> + MX8MM_IOMUXC_I2C3_SCL_I2C3_SCL 0x400001c3
> + MX8MM_IOMUXC_I2C3_SDA_I2C3_SDA 0x400001c3
> + >;
> + };
> +
> pinctrl_pmic: pmicirq {
> fsl,pins = <
> MX8MM_IOMUXC_GPIO1_IO03_GPIO1_IO3 0x41
> --
> 2.7.4
>