On Thu, Oct 10, 2013 at 06:22:07PM +0800, Shawn Guo wrote:
> What about the solution suggested by Stephen, moving
> MX6QDL_PAD_SD1_DAT3__SD1_DATA3 out from pinctrl_usdhc1_1 and having
> additional nodes/phandle for DAT3 with different settings?
>
> diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
> index 59154dc..fd52f4e 100644
> --- a/arch/arm/boot/dts/imx6qdl.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl.dtsi
> @@ -1157,7 +1157,6 @@
> MX6QDL_PAD_SD1_DAT0__SD1_DATA0 0x17059
> MX6QDL_PAD_SD1_DAT1__SD1_DATA1 0x17059
> MX6QDL_PAD_SD1_DAT2__SD1_DATA2 0x17059
> - MX6QDL_PAD_SD1_DAT3__SD1_DATA3 0x17059
> MX6QDL_PAD_NANDF_D0__SD1_DATA4 0x17059
> MX6QDL_PAD_NANDF_D1__SD1_DATA5 0x17059
> MX6QDL_PAD_NANDF_D2__SD1_DATA6 0x17059
> @@ -1165,6 +1164,18 @@
> >;
> };
>
> + pinctrl_usdhc1_1_dat3: usdhc1dat3-1 {
> + fsl,pins = <
> + MX6QDL_PAD_SD1_DAT3__SD1_DATA3 0x17059
> + >;
> + };
> +
> + pinctrl_usdhc1_1_dat3cd: usdhc1dat3cd-1 {
> + fsl,pins = <
> + MX6QDL_PAD_SD1_DAT3__SD1_DATA3 0x13059
> + >;
> + };
>
> Then pinctrl-0 = <&pinctrl_usdhc1_1 &pinctrl_usdhc1_1_dat3> for existing
> boards, and <&pinctrl_usdhc1_1 &pinctrl_usdhc1_1_dat3cd> for boards that
> want to use DAT3 for card detection.
Yes, that avoids the issue entirely, and is a much better solution IMHO.
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