GNU Linux-libre 4.19.264-gnu1
[releases.git] / Documentation / devicetree / bindings / regulator / pbias-regulator.txt
1 PBIAS internal regulator for SD card dual voltage i/o pads on OMAP SoCs.
2
3 Required properties:
4 - compatible:
5   - should be "ti,pbias-dra7" for DRA7
6   - should be "ti,pbias-omap2" for OMAP2
7   - should be "ti,pbias-omap3" for OMAP3
8   - should be "ti,pbias-omap4" for OMAP4
9   - should be "ti,pbias-omap5" for OMAP5
10   - "ti,pbias-omap" is deprecated
11 - reg: pbias register offset from syscon base and size of pbias register.
12 - syscon : phandle of the system control module
13 - regulator-name : should be
14                         pbias_mmc_omap2430 for OMAP2430, OMAP3 SoCs
15                         pbias_sim_omap3 for OMAP3 SoCs
16                         pbias_mmc_omap4 for OMAP4 SoCs
17                         pbias_mmc_omap5 for OMAP5 and DRA7 SoC
18
19 Optional properties:
20 - Any optional property defined in bindings/regulator/regulator.txt
21
22 Example:
23
24                 pbias_regulator: pbias_regulator {
25                         compatible = "ti,pbias-omap";
26                         reg = <0 0x4>;
27                         syscon = <&omap5_padconf_global>;
28                         pbias_mmc_reg: pbias_mmc_omap5 {
29                                 regulator-name = "pbias_mmc_omap5";
30                                 regulator-min-microvolt = <1800000>;
31                                 regulator-max-microvolt = <3000000>;
32                         };