| Message ID | 874nnu245s.fsf_-_@octavius.laptop.org (mailing list archive) |
|---|---|
| State | Accepted, archived |
| Headers | show |
On Wed, Aug 22, 2012 at 02:05:35PM -0400, Chris Ball wrote: > Signed-off-by: Chris Ball <cjb@laptop.org> Acked-by: Shawn Guo <shawn.guo@linaro.org> Will move sdhci-esdhc-imx driver to this soon. Regards, Shawn > --- > Documentation/devicetree/bindings/mmc/mmc.txt | 9 +++++++-- > 1 file changed, 7 insertions(+), 2 deletions(-) > > diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt > index 8a6811f..8e2e0ba 100644 > --- a/Documentation/devicetree/bindings/mmc/mmc.txt > +++ b/Documentation/devicetree/bindings/mmc/mmc.txt > @@ -9,12 +9,17 @@ Interpreted by the OF core: > Required properties: > - bus-width: Number of data lines, can be <1>, <4>, or <8> > > +Card detection: > +If no property below is supplied, standard SDHCI card detect is used. > +Only one of the properties in this section should be supplied: > + - broken-cd: There is no card detection available; polling must be used. > + - cd-gpios: Specify GPIOs for card detection, see gpio binding > + - non-removable: non-removable slot (like eMMC); assume always present. > + > Optional properties: > -- cd-gpios: Specify GPIOs for card detection, see gpio binding > - wp-gpios: Specify GPIOs for write protection, see gpio binding > - cd-inverted: when present, polarity on the cd gpio line is inverted > - wp-inverted: when present, polarity on the wp gpio line is inverted > -- non-removable: non-removable slot (like eMMC) > - max-frequency: maximum operating clock frequency > > Example: > -- > Chris Ball <cjb@laptop.org> <http://printf.net/> > One Laptop Per Child -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt index 8a6811f..8e2e0ba 100644 --- a/Documentation/devicetree/bindings/mmc/mmc.txt +++ b/Documentation/devicetree/bindings/mmc/mmc.txt @@ -9,12 +9,17 @@ Interpreted by the OF core: Required properties: - bus-width: Number of data lines, can be <1>, <4>, or <8> +Card detection: +If no property below is supplied, standard SDHCI card detect is used. +Only one of the properties in this section should be supplied: + - broken-cd: There is no card detection available; polling must be used. + - cd-gpios: Specify GPIOs for card detection, see gpio binding + - non-removable: non-removable slot (like eMMC); assume always present. + Optional properties: -- cd-gpios: Specify GPIOs for card detection, see gpio binding - wp-gpios: Specify GPIOs for write protection, see gpio binding - cd-inverted: when present, polarity on the cd gpio line is inverted - wp-inverted: when present, polarity on the wp gpio line is inverted -- non-removable: non-removable slot (like eMMC) - max-frequency: maximum operating clock frequency Example:
Signed-off-by: Chris Ball <cjb@laptop.org> --- Documentation/devicetree/bindings/mmc/mmc.txt | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-)