diff options
Diffstat (limited to 'Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt b/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt index dbd4368ab8cc..be76a23b34c4 100644 --- a/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt +++ b/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt @@ -3,21 +3,20 @@ The Highspeed MMC Host Controller on TI OMAP family 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 omap_hsmmc driver. + Required properties: - compatible: Should be "ti,omap2-hsmmc", for OMAP2 controllers Should be "ti,omap3-hsmmc", for OMAP3 controllers Should be "ti,omap4-hsmmc", for OMAP4 controllers - ti,hwmods: Must be "mmc<n>", n is controller instance starting 1 -- reg : should contain hsmmc registers location and length Optional properties: ti,dual-volt: boolean, supports dual voltage cards <supply-name>-supply: phandle to the regulator device tree node "supply-name" examples are "vmmc", "vmmc_aux" etc -ti,bus-width: Number of data lines, default assumed is 1 if the property is missing. -cd-gpios: GPIOs for card detection -wp-gpios: GPIOs for write protection ti,non-removable: non-removable slot (like eMMC) ti,needs-special-reset: Requires a special softreset sequence @@ -27,7 +26,7 @@ Example: reg = <0x4809c000 0x400>; ti,hwmods = "mmc1"; ti,dual-volt; - ti,bus-width = <4>; + bus-width = <4>; vmmc-supply = <&vmmc>; /* phandle to regulator node */ ti,non-removable; }; |