diff options
| author | Chris Ball <cjb@laptop.org> | 2012-06-12 03:48:16 +0200 |
|---|---|---|
| committer | Chris Ball <cjb@laptop.org> | 2012-07-11 05:04:06 +0200 |
| commit | 4efafee02ff604627234d42a3ff9f331e3605c9d (patch) | |
| tree | a82b8546aaac5e090c99c15b2f93a8170b8871b0 /Documentation/devicetree/bindings/mmc/fsl-esdhc.txt | |
| parent | mmc: core: Export regulator_* functions as GPL (diff) | |
| download | linux-4efafee02ff604627234d42a3ff9f331e3605c9d.tar.xz linux-4efafee02ff604627234d42a3ff9f331e3605c9d.zip | |
mmc: dt: Deduplicate binding docs by referencing mmc.txt
Now that we have common bindings for MMC, rewrite the individual
bindings to inherit from mmc.txt and describe their differences.
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
Diffstat (limited to 'Documentation/devicetree/bindings/mmc/fsl-esdhc.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/mmc/fsl-esdhc.txt | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/Documentation/devicetree/bindings/mmc/fsl-esdhc.txt b/Documentation/devicetree/bindings/mmc/fsl-esdhc.txt index 0d93b4b0e0e3..bd9be0b5bc20 100644 --- a/Documentation/devicetree/bindings/mmc/fsl-esdhc.txt +++ b/Documentation/devicetree/bindings/mmc/fsl-esdhc.txt @@ -3,21 +3,22 @@ The Enhanced Secure Digital Host Controller provides an interface for MMC, SD, and SDIO types of memory cards. +This file documents differences between the core properties described +by mmc.txt and the properties used by the sdhci-esdhc driver. + Required properties: - - compatible : should be - "fsl,<chip>-esdhc", "fsl,esdhc" - - reg : should contain eSDHC registers location and length. - - interrupts : should contain eSDHC interrupt. - interrupt-parent : interrupt source phandle. - clock-frequency : specifies eSDHC base clock frequency. - - sdhci,wp-inverted : (optional) specifies that eSDHC controller - reports inverted write-protect state; New devices should use - the generic "wp-inverted" property. - - sdhci,1-bit-only : (optional) specifies that a controller can - only handle 1-bit data transfers. New devices should use the - generic "bus-width = <1>" property. - - sdhci,auto-cmd12: (optional) specifies that a controller can - only handle auto CMD12. + +Optional properties: + - sdhci,wp-inverted : specifies that eSDHC controller reports + inverted write-protect state; New devices should use the generic + "wp-inverted" property. + - sdhci,1-bit-only : specifies that a controller can only handle + 1-bit data transfers. New devices should use the generic + "bus-width = <1>" property. + - sdhci,auto-cmd12: specifies that a controller can only handle auto + CMD12. Example: |