On Tue, Sep 22, 2009 at 04:45:17PM -0700, akpm@xxxxxxxxxxxxxxxxxxxx wrote:
> From: Anton Vorontsov <avorontsov@xxxxxxxxxxxxx>
>
> This patch simply adds sdhci node to the device tree.
>
> We specify clock-frequency manually, so that eSDHC will work without
> upgrading U-Boot. Though, that'll only work for default setup (1500 MHz)
> on new board revisions. For non-default setups, it's recommended to
> upgrade U-Boot, since it will fixup clock-frequency automatically.
>
> Signed-off-by: Anton Vorontsov <avorontsov@xxxxxxxxxxxxx>
> Cc: Pierre Ossman <pierre@xxxxxxxxx>
> Cc: Kumar Gala <galak@xxxxxxxxxxxxxxxxxxx>
> Cc: David Vrabel <david.vrabel@xxxxxxx>
> Cc: Ben Dooks <ben@xxxxxxxxx>
> Cc: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx>
> Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
> Cc: <linux-mmc@xxxxxxxxxxxxxxx>
> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> ---
>
> arch/powerpc/boot/dts/mpc8536ds.dts | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff -puN arch/powerpc/boot/dts/mpc8536ds.dts~powerpc-85xx-add-esdhc-support-for-mpc8536ds-boards arch/powerpc/boot/dts/mpc8536ds.dts
> --- a/arch/powerpc/boot/dts/mpc8536ds.dts~powerpc-85xx-add-esdhc-support-for-mpc8536ds-boards
> +++ a/arch/powerpc/boot/dts/mpc8536ds.dts
> @@ -258,6 +258,14 @@
> clock-frequency = <250000000>;
> };
By "clock-frequency = <250000000>;" above and the one down below*
I can see that this patch is already applied (via powerpc tree).
Please don't merge this particular patch, it's already there.
> + sdhci@2e000 {
> + compatible = "fsl,mpc8536-esdhc", "fsl,esdhc";
> + reg = <0x2e000 0x1000>;
> + interrupts = <72 0x2>;
> + interrupt-parent = <&mpic>;
> + clock-frequency = <250000000>;
*
> + };
> +
> serial0: serial@4500 {
> cell-index = <0>;
> device_type = "serial";
> _
Thanks,
--
Anton Vorontsov
email: cbouatmailru@xxxxxxxxx
irc://irc.freenode.net/bd2
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