diff options
author | John W. Linville <linville@tuxdriver.com> | 2012-04-12 13:49:28 -0400 |
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committer | John W. Linville <linville@tuxdriver.com> | 2012-04-12 13:49:28 -0400 |
commit | 8065248069097dddf9945acfb2081025e9618c16 (patch) | |
tree | eddf3fb0372ba0f65c01382d386942ea8d18932d /Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt | |
parent | e66a8ddff72e85605f2212a0ebc666c7e9116641 (diff) | |
parent | b4838d12e1f3cb48c2489a0b08733b5dbf848297 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
Diffstat (limited to 'Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt')
-rw-r--r-- | Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt b/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt new file mode 100644 index 00000000000..dbd4368ab8c --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt @@ -0,0 +1,33 @@ +* TI Highspeed MMC host controller for OMAP + +The Highspeed MMC Host Controller on TI OMAP family +provides an interface for MMC, SD, and SDIO types of memory cards. + +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 + +Example: + mmc1: mmc@0x4809c000 { + compatible = "ti,omap4-hsmmc"; + reg = <0x4809c000 0x400>; + ti,hwmods = "mmc1"; + ti,dual-volt; + ti,bus-width = <4>; + vmmc-supply = <&vmmc>; /* phandle to regulator node */ + ti,non-removable; + }; |