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Diffstat (limited to 'Documentation/devicetree/bindings/mfd/nxp,pca9450.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/nxp,pca9450.txt | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mfd/nxp,pca9450.txt b/Documentation/devicetree/bindings/mfd/nxp,pca9450.txt new file mode 100644 index 000000000000..f296c7d2e6ad --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/nxp,pca9450.txt @@ -0,0 +1,51 @@ +* NXP PCA9450 Power Management Integrated Circuit (PMIC) bindings + +Required properties: + - compatible : Should be "nxp,pca9450". + - reg : I2C slave address. + - pinctrl-0 : Pinctrl setting for pmic such as interrupt pin. + - gpio_intr : gpio pin used for interrupt pin. + - regulators: : List of child nodes that specify the regulator + initialization data. Including 6 buck regulators + and 5 ldo regulators. + +Example: + pmic: pca9450@25 { + reg = <0x25>; + compatible = "nxp,pca9450"; + /* PMIC PCA9450 PMIC_nINT GPIO1_IO3 */ + pinctrl-0 = <&pinctrl_pmic>; + gpio_intr = <&gpio1 3 GPIO_ACTIVE_LOW>; + + regulators { + #address-cells = <1>; + #size-cells = <0>; + + pca9450,pmic-buck2-uses-i2c-dvs; + /* Run/Standby voltage */ + pca9450,pmic-buck2-dvs-voltage = <950000>, <850000>; + + buck1_reg: regulator@0 { + reg = <0>; + regulator-compatible = "buck1"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <2187500>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <3125>; + }; + + buck2_reg: regulator@1 { + reg = <1>; + regulator-compatible = "buck2"; + regulator-min-microvolt = <600000>; + regulator-max-microvolt = <2187500>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <3125>; + }; + + ..... + + }; + }; |