Messages in this thread |  | | Date | Mon, 20 Apr 2015 10:31:16 +0200 | From | Sascha Hauer <> | Subject | Re: [PATCH v2 1/5] mmc: dt-bindings: add Mediatek MMC bindings |
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Hi Chaotian,
On Tue, Mar 17, 2015 at 11:13:51AM +0800, Chaotian Jing wrote: > Document the device-tree binding of Mediatek MMC host > > Signed-off-by: Chaotian Jing <chaotian.jing@mediatek.com> > --- > Documentation/devicetree/bindings/mmc/mtk-sd.txt | 33 ++++++++++++++++++++++++ > 1 file changed, 33 insertions(+) > create mode 100644 Documentation/devicetree/bindings/mmc/mtk-sd.txt > > diff --git a/Documentation/devicetree/bindings/mmc/mtk-sd.txt b/Documentation/devicetree/bindings/mmc/mtk-sd.txt > new file mode 100644 > index 0000000..ac43f77 > --- /dev/null > +++ b/Documentation/devicetree/bindings/mmc/mtk-sd.txt > @@ -0,0 +1,33 @@ > +* MTK MMC controller > + > +The MTK MSDC can act as a MMC controller > +to support MMC, SD, and SDIO types of memory cards. > + > +This file documents differences between the core properties in mmc.txt > +and the properties used by the msdc driver. > + > +Required properties: > +- compatible: Should be "mediatek,mt8173-mmc","mediatek,mt8135-mmc". > +- interrupts: Should contain MSDC interrupt number > +- clocks: MSDC source clock > +- clock-names: "source"
When I remove the clk_ignore_unused from the command line SD/MMC stops working on the MT8173. This is because msdc50_0_h_sel is disabled, when I enable this clock SD/MMC works again. This clock should probably be added here and handled appropriatly in the driver.
Sascha
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