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Diffstat (limited to 'doc/device-tree-bindings/pmic/tps65911.txt')
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diff --git a/doc/device-tree-bindings/pmic/tps65911.txt b/doc/device-tree-bindings/pmic/tps65911.txt new file mode 100644 index 0000000000..29270efbfe --- /dev/null +++ b/doc/device-tree-bindings/pmic/tps65911.txt @@ -0,0 +1,78 @@ +Texas Instruments, TPS65911 PMIC + +This device uses two drivers: +- drivers/power/pmic/tps65910.c (for parent device) +- drivers/power/regulator/tps65911_regulator.c (for child regulators) + +This chapter describes the binding info for the PMIC driver and regulators. + +Required properties for PMIC: +- compatible: "ti,tps65911" +- reg: 0x2d + +With those two properties, the pmic device can be used for read/write only. +To bind each regulator, the optional regulators subnode should exists. + +Optional subnode: +- name: regulators (subnode list of each device's regulator) + +Regulators subnode contains set on supported regulators. + +Required properties: +- regulator-name: used for regulator uclass platform data '.name', + +List of supported regulator nodes names for tps65911: +- vdd1, vdd2, vddctrl, vddio +- ldo1, ldo2, ldo3, ldo4, ldo5, ldo6, ldo7, ldo8 + +vddio in datasheet is referred as vio, but for reduction of code and +unification of smps regulators it is named vddio. + +Optional: +- regulator-min-microvolt: minimum allowed Voltage to set +- regulator-max-microvolt: minimum allowed Voltage to set +- regulator-always-on: regulator should be never disabled +- regulator-boot-on: regulator should be enabled by the bootloader + +Example: + +tps65911@2d { + compatible = "ti,tps65911"; + reg = <0x2d>; + + regulators { + vdd1 { + regulator-name = "vdd_1v2_backlight"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; + regulator-always-on; + regulator-boot-on; + }; + + ... + + vddio { + regulator-name = "vdd_1v8_gen"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; + regulator-boot-on; + }; + + ldo1 { + regulator-name = "vdd_emmc_core"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + regulator-boot-on; + }; + + ... + + ldo8 { + regulator-name = "vdd_ddr_hs"; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1000000>; + }; + }; +}; |