[PATCH v3 1/4] ARM: dts: Add emmc and sdmmc to the rk3288 device tree

Doug Anderson dianders at chromium.org
Tue Aug 12 16:24:30 PDT 2014


Sonny and Heiko,

On Tue, Aug 12, 2014 at 3:11 PM, Sonny Rao <sonnyrao at chromium.org> wrote:
> On Tue, Aug 12, 2014 at 3:07 PM, Heiko Stübner <heiko at sntech.de> wrote:
>> Am Dienstag, 12. August 2014, 14:06:11 schrieb Doug Anderson:
>>> Heiko,
>>>
>>> On Wed, Aug 6, 2014 at 10:09 AM, Doug Anderson <dianders at chromium.org>
>> wrote:
>>> > This adds support for the sdmmc and emmc ports on the rk3288 using the
>>> >
>>> > currently posted driver from Addy at:
>>> >   https://patchwork.kernel.org/patch/4653631/
>>> >
>>> > Note:
>>> > * This is not baesd on Jaehoon's patch series removing the slot node,
>>> >
>>> >   but it does use new syntax like putting the bus width at the top
>>> >   level and using the new cap-mmc-highspeed / cap-sd-highspeed.  A
>>> >   future patch will modify this one to remove the slot node.
>>> >
>>> > Signed-off-by: Doug Anderson <dianders at chromium.org>
>>> > Acked-by: Arnd Bergmann <arnd at arndb.de>
>>> > ---
>>> > Changes in v3: None
>>> > Changes in v2:
>>> > - New patchwork link for Addy's patch
>>> >
>>> >  arch/arm/boot/dts/rk3288.dtsi | 22 ++++++++++++++++++++++
>>> >  1 file changed, 22 insertions(+)
>>> >
>>> > diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
>>> > index e7cb008..dc98a5b 100644
>>> > --- a/arch/arm/boot/dts/rk3288.dtsi
>>> > +++ b/arch/arm/boot/dts/rk3288.dtsi
>>> > @@ -78,6 +78,28 @@
>>> >
>>> >                 clock-frequency = <24000000>;
>>> >
>>> >         };
>>> >
>>> > +       sdmmc: dwmmc at ff0c0000 {
>>> > +               compatible = "rockchip,rk3288-dw-mshc";
>>> > +               clocks = <&cru HCLK_SDMMC>, <&cru SCLK_SDMMC>;
>>> > +               clock-names = "biu", "ciu";
>>> > +               fifo-depth = <0x100>;
>>> > +               interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
>>> > +               reg = <0xff0c0000 0x4000>;
>>> > +               #address-cells = <1>;
>>> > +               #size-cells = <0>;
>>>
>>> When doing other testing I realized that I missed a:
>>>   status = "disabled";
>>>
>>> ...from both of these two nodes.  I'm happy to repost with this fix or
>>> I'm happy if you want to add to the patch when applying.
>>>
>>> Let me know.  Thanks!
>>
>> I don't really have a preference :-) . Btw. I also did plan on merging patches
>> 1 +4 and 2+3 now that the slot-removal series has landed.
>> Would this be ok with you?
>>
>> So if you want to repost, you could do this as two patches already :-).
>
> Please repost with the status = "disabled"; the fact that they were
> enabled by the dtsi was confusing to some of us at least once already
> :-)

Done.  Please let me know if it looks OK or if there are any other
spins needed.  ;)

-Doug



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