[PATCH v2 3/4] arm/dts: OMAP4: Add mmc controller nodes and board data

T Krishnamoorthy, Balaji balajitk at ti.com
Fri Feb 24 05:16:44 EST 2012


> diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi
> index 29f4589..9204f60 100644
> --- a/arch/arm/boot/dts/omap4.dtsi
> +++ b/arch/arm/boot/dts/omap4.dtsi
> @@ -25,6 +25,11 @@
>                serial1 = &uart2;
>                serial2 = &uart3;
>                serial3 = &uart4;
> +               mmc1 = &mmc1;
> +               mmc2 = &mmc2;
> +               mmc3 = &mmc3;
> +               mmc4 = &mmc4;
> +               mmc5 = &mmc5;
>        };
>
>        cpus {
> @@ -155,5 +160,31 @@
>                        #size-cells = <0>;
>                        ti,hwmods = "i2c4";
>                };
> +
> +               mmc1: mmc at 1 {
> +                       compatible = "ti,omap4-hsmmc";
> +                       ti,hwmods = "mmc1";
> +                       ti,dual-volt;
> +               };
> +
> +               mmc2: mmc at 2 {
> +                       compatible = "ti,omap4-hsmmc";
> +                       ti,hwmods = "mmc2";
> +               };

Hi Rajendra,
Is there a way to control the device registration order,
eMMC connected to mmc2 needs to be registered as /dev/mmcblk0p ...
irrespective of whether SD card is mount or not on mmc1 card slot.
So that bootargs would not have to be modified when filesystem is on eMMC.

> +
> +               mmc3: mmc at 3 {
> +                       compatible = "ti,omap4-hsmmc";
> +                       ti,hwmods = "mmc3";
> +               };
> +
> +               mmc4: mmc at 4 {
> +                       compatible = "ti,omap4-hsmmc";
> +                       ti,hwmods = "mmc4";
> +               };
> +
> +               mmc5: mmc at 5 {
> +                       compatible = "ti,omap4-hsmmc";
> +                       ti,hwmods = "mmc5";
> +               };
>        };
>  };
> --
> 1.7.1
>



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