Re: [PATCH v5 3/4] ARM: dts: meson8b: Add MMC nodes

Kevin Hilman
2016-05-11T17:57:28Z

Hi Carlo,

Carlo Caione <carlo-KA+7E9HrN00dnm+yROfE0A@public.gmane.org> writes:

> From: Carlo Caione <carlo-6IF/jdPJHihWk0Htik3J/w@public.gmane.org>
>
> Enable the MMC for the Meson8b platforms.
>
> Signed-off-by: Carlo Caione <carlo-6IF/jdPJHihWk0Htik3J/w@public.gmane.org>

[...]

> diff --git a/arch/arm/boot/dts/meson8b.dtsi b/arch/arm/boot/dts/meson8b.dtsi
> index 8bad557..25d795c 100644
> --- a/arch/arm/boot/dts/meson8b.dtsi
> +++ b/arch/arm/boot/dts/meson8b.dtsi
> @@ -187,6 +187,22 @@
> function = "uart_ao";
> };
> };
> +
> + mmc0_sd_b_pins: mmc0_sd_b {
> + mux {
> + groups = "sd_d1_b", "sd_d0_b", "sd_clk_b", "sd_cmd_b",
> + "sd_d3_b", "sd_d2_b";
> + function = "sd_b";
> + };
> + };

These pins are added under pinctrl_aobus, but in the pinctrl driver,
they're under cbus. If I move this into the pinctrl_cbus node, I get it
to work on my odroid-c1, and am able to mount/use an MMC rootfs.

Kevin