diff options
Diffstat (limited to 'Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt')
-rw-r--r-- | Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt b/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt index 8a53958c9a9..be76a23b34c 100644 --- a/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt +++ b/Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt | |||
@@ -3,21 +3,20 @@ | |||
3 | The Highspeed MMC Host Controller on TI OMAP family | 3 | The Highspeed MMC Host Controller on TI OMAP family |
4 | provides an interface for MMC, SD, and SDIO types of memory cards. | 4 | provides an interface for MMC, SD, and SDIO types of memory cards. |
5 | 5 | ||
6 | This file documents differences between the core properties described | ||
7 | by mmc.txt and the properties used by the omap_hsmmc driver. | ||
8 | |||
6 | Required properties: | 9 | Required properties: |
7 | - compatible: | 10 | - compatible: |
8 | Should be "ti,omap2-hsmmc", for OMAP2 controllers | 11 | Should be "ti,omap2-hsmmc", for OMAP2 controllers |
9 | Should be "ti,omap3-hsmmc", for OMAP3 controllers | 12 | Should be "ti,omap3-hsmmc", for OMAP3 controllers |
10 | Should be "ti,omap4-hsmmc", for OMAP4 controllers | 13 | Should be "ti,omap4-hsmmc", for OMAP4 controllers |
11 | - ti,hwmods: Must be "mmc<n>", n is controller instance starting 1 | 14 | - ti,hwmods: Must be "mmc<n>", n is controller instance starting 1 |
12 | - reg : should contain hsmmc registers location and length | ||
13 | 15 | ||
14 | Optional properties: | 16 | Optional properties: |
15 | ti,dual-volt: boolean, supports dual voltage cards | 17 | ti,dual-volt: boolean, supports dual voltage cards |
16 | <supply-name>-supply: phandle to the regulator device tree node | 18 | <supply-name>-supply: phandle to the regulator device tree node |
17 | "supply-name" examples are "vmmc", "vmmc_aux" etc | 19 | "supply-name" examples are "vmmc", "vmmc_aux" etc |
18 | bus-width: Number of data lines, default assumed is 1 if the property is missing. | ||
19 | cd-gpios: GPIOs for card detection | ||
20 | wp-gpios: GPIOs for write protection | ||
21 | ti,non-removable: non-removable slot (like eMMC) | 20 | ti,non-removable: non-removable slot (like eMMC) |
22 | ti,needs-special-reset: Requires a special softreset sequence | 21 | ti,needs-special-reset: Requires a special softreset sequence |
23 | 22 | ||