Merge tag 'for-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux...
[sfrench/cifs-2.6.git] / Documentation / devicetree / bindings / mmc / sdhci-omap.txt
1 * TI OMAP SDHCI Controller
2
3 Refer to mmc.txt for standard MMC bindings.
4
5 For UHS devices which require tuning, the device tree should have a "cpu_thermal" node which maps to the appropriate thermal zone. This is used to get the temperature of the zone during tuning.
6
7 Required properties:
8 - compatible: Should be "ti,dra7-sdhci" for DRA7 and DRA72 controllers
9               Should be "ti,k2g-sdhci" for K2G
10 - ti,hwmods: Must be "mmc<n>", <n> is controller instance starting 1
11              (Not required for K2G).
12 - pinctrl-names: Should be subset of "default", "hs", "sdr12", "sdr25", "sdr50",
13                  "ddr50-rev11", "sdr104-rev11", "ddr50", "sdr104",
14                  "ddr_1_8v-rev11", "ddr_1_8v" or "ddr_3_3v", "hs200_1_8v-rev11",
15                  "hs200_1_8v",
16 - pinctrl-<n> : Pinctrl states as described in bindings/pinctrl/pinctrl-bindings.txt
17
18 Example:
19         mmc1: mmc@4809c000 {
20                 compatible = "ti,dra7-sdhci";
21                 reg = <0x4809c000 0x400>;
22                 ti,hwmods = "mmc1";
23                 bus-width = <4>;
24                 vmmc-supply = <&vmmc>; /* phandle to regulator node */
25         };