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-rw-r--r--Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt7
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 @@
3The Highspeed MMC Host Controller on TI OMAP family 3The Highspeed MMC Host Controller on TI OMAP family
4provides an interface for MMC, SD, and SDIO types of memory cards. 4provides an interface for MMC, SD, and SDIO types of memory cards.
5 5
6This file documents differences between the core properties described
7by mmc.txt and the properties used by the omap_hsmmc driver.
8
6Required properties: 9Required 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
14Optional properties: 16Optional properties:
15ti,dual-volt: boolean, supports dual voltage cards 17ti,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
18bus-width: Number of data lines, default assumed is 1 if the property is missing.
19cd-gpios: GPIOs for card detection
20wp-gpios: GPIOs for write protection
21ti,non-removable: non-removable slot (like eMMC) 20ti,non-removable: non-removable slot (like eMMC)
22ti,needs-special-reset: Requires a special softreset sequence 21ti,needs-special-reset: Requires a special softreset sequence
23 22