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1PBIAS internal regulator for SD card dual voltage i/o pads on OMAP SoCs.2 3Required properties:4- compatible:5 - should be "ti,pbias-dra7" for DRA76 - should be "ti,pbias-omap2" for OMAP27 - should be "ti,pbias-omap3" for OMAP38 - should be "ti,pbias-omap4" for OMAP49 - should be "ti,pbias-omap5" for OMAP510 - "ti,pbias-omap" is deprecated11- reg: pbias register offset from syscon base and size of pbias register.12- syscon : phandle of the system control module13- regulator-name : should be14 pbias_mmc_omap2430 for OMAP2430, OMAP3 SoCs15 pbias_sim_omap3 for OMAP3 SoCs16 pbias_mmc_omap4 for OMAP4 SoCs17 pbias_mmc_omap5 for OMAP5 and DRA7 SoC18 19Optional properties:20- Any optional property defined in bindings/regulator/regulator.txt21 22Example: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 };33