[PATCH] arm: imx6q_logic: Enable I2C PMIC

Fabio Estevam festevam at gmail.com
Wed Aug 19 04:33:21 CEST 2020


Hi Adam,

On Tue, Aug 18, 2020 at 6:20 PM Adam Ford <aford173 at gmail.com> wrote:
>
> The PMIC which powers the whole board is connected to the I2C1
> bus.  This patch enables I2C.  With this enabled, the PMIC needs
> to told to keep the rail enabled, or it gets shutdown before the

Looks like a typo.

> system boots.
>
> Signed-off-by: Adam Ford <aford173 at gmail.com>
>
> diff --git a/arch/arm/dts/imx6q-logicpd-u-boot.dtsi b/arch/arm/dts/imx6q-logicpd-u-boot.dtsi
> index ee44ed91fe..94b53d569d 100644
> --- a/arch/arm/dts/imx6q-logicpd-u-boot.dtsi
> +++ b/arch/arm/dts/imx6q-logicpd-u-boot.dtsi
> @@ -28,3 +28,7 @@
>  &pinctrl_usdhc2 {
>         u-boot,dm-spl;
>  };
> +
> +&sw2_reg {
> +       regulator-always-on;
> +};

It seems that this could be fixed in the main dts instead of the
U-Boot one since this dts description is not U-Boot specific.


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