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Diffstat (limited to 'Documentation/devicetree/bindings/regulator/lm363x-regulator.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/regulator/lm363x-regulator.txt | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/regulator/lm363x-regulator.txt b/Documentation/devicetree/bindings/regulator/lm363x-regulator.txt new file mode 100644 index 000000000..cc5a6151d --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/lm363x-regulator.txt @@ -0,0 +1,108 @@ +TI LMU LM363x regulator device tree bindings + +LM363x regulator driver supports LM3631 and LM3632. +LM3631 has five regulators and LM3632 supports three regulators. + +Required property: + - compatible: "ti,lm363x-regulator" + +Optional properties: + LM3632 has external enable pins for two LDOs. + - enable-gpios: Two GPIO specifiers for Vpos and Vneg control pins. + The first entry is Vpos, the second is Vneg enable pin. + +Child nodes: + LM3631 + - vboost + - vcont + - voref + - vpos + - vneg + + LM3632 + - vboost + - vpos + - vneg + + Optional properties of a child node: + Each sub-node should contain the constraints and initialization. + Please refer to [1]. + +Examples: Please refer to ti-lmu dt-bindings [2]. + +lm3631@29 { + compatible = "ti,lm3631"; + reg = <0x29>; + + regulators { + compatible = "ti,lm363x-regulator"; + + vboost { + regulator-name = "lcd_boost"; + regulator-min-microvolt = <4500000>; + regulator-max-microvolt = <6350000>; + regulator-always-on; + }; + + vcont { + regulator-name = "lcd_vcont"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + }; + + voref { + regulator-name = "lcd_voref"; + regulator-min-microvolt = <4000000>; + regulator-max-microvolt = <6000000>; + }; + + vpos { + regulator-name = "lcd_vpos"; + regulator-min-microvolt = <4000000>; + regulator-max-microvolt = <6000000>; + regulator-boot-on; + }; + + vneg { + regulator-name = "lcd_vneg"; + regulator-min-microvolt = <4000000>; + regulator-max-microvolt = <6000000>; + regulator-boot-on; + }; + }; +}; + +lm3632@11 { + compatible = "ti,lm3632"; + reg = <0x11>; + + regulators { + compatible = "ti,lm363x-regulator"; + + /* GPIO1_16 for Vpos, GPIO1_28 is for Vneg */ + enable-gpios = <&gpio1 16 GPIO_ACTIVE_HIGH>, + <&gpio1 28 GPIO_ACTIVE_HIGH>; + + vboost { + regulator-name = "lcd_boost"; + regulator-min-microvolt = <4500000>; + regulator-max-microvolt = <6400000>; + regulator-always-on; + }; + + vpos { + regulator-name = "lcd_vpos"; + regulator-min-microvolt = <4000000>; + regulator-max-microvolt = <6000000>; + }; + + vneg { + regulator-name = "lcd_vneg"; + regulator-min-microvolt = <4000000>; + regulator-max-microvolt = <6000000>; + }; + }; +}; + +[1] ../regulator/regulator.txt +[2] ../mfd/ti-lmu.txt |