regulator: dt: add policy to have property "regulator-compatible"
Add the policy for regulator DT such that if device have multiple regulator and its binding contains a child node that describes each regulator then each regulator child node must have the property "regulator-compatible" which matches with regulator name of their hardware counterparts. Modify the DT documentation of regulator devices to reflect this policy. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Acked-by: Stephen Warren <swarren@wwwdotorg.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Laxman Dewangan
Mark Brown
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6dc027c977
Коммит
8c5e461df7
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@ -17,8 +17,9 @@ Required properties:
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device need to be present. The definition for each of these nodes is defined
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using the standard binding for regulators found at
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Documentation/devicetree/bindings/regulator/regulator.txt.
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The regulator is matched with the regulator-compatible.
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The valid names for regulators are:
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The valid regulator-compatible values are:
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tps65910: vrtc, vio, vdd1, vdd2, vdd3, vdig1, vdig2, vpll, vdac, vaux1,
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vaux2, vaux33, vmmc
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tps65911: vrtc, vio, vdd1, vdd3, vddctrl, ldo1, ldo2, ldo3, ldo4, ldo5,
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@ -57,73 +58,100 @@ Example:
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ti,en-gpio-sleep = <0 0 1 0 0 0 0 0 0>;
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regulators {
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vdd1_reg: vdd1 {
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#address-cells = <1>;
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#size-cells = <0>;
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vdd1_reg: regulator@0 {
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regulator-compatible = "vdd1";
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reg = <0>;
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regulator-min-microvolt = < 600000>;
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regulator-max-microvolt = <1500000>;
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regulator-always-on;
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regulator-boot-on;
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ti,regulator-ext-sleep-control = <0>;
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};
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vdd2_reg: vdd2 {
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vdd2_reg: regulator@1 {
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regulator-compatible = "vdd2";
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reg = <1>;
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regulator-min-microvolt = < 600000>;
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regulator-max-microvolt = <1500000>;
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regulator-always-on;
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regulator-boot-on;
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ti,regulator-ext-sleep-control = <4>;
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};
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vddctrl_reg: vddctrl {
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vddctrl_reg: regulator@2 {
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regulator-compatible = "vddctrl";
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reg = <2>;
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regulator-min-microvolt = < 600000>;
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regulator-max-microvolt = <1400000>;
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regulator-always-on;
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regulator-boot-on;
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ti,regulator-ext-sleep-control = <0>;
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};
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vio_reg: vio {
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vio_reg: regulator@3 {
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regulator-compatible = "vio";
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reg = <3>;
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regulator-min-microvolt = <1500000>;
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regulator-max-microvolt = <1800000>;
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regulator-always-on;
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regulator-boot-on;
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ti,regulator-ext-sleep-control = <1>;
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};
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ldo1_reg: ldo1 {
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ldo1_reg: regulator@4 {
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regulator-compatible = "ldo1";
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reg = <4>;
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regulator-min-microvolt = <1000000>;
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regulator-max-microvolt = <3300000>;
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ti,regulator-ext-sleep-control = <0>;
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};
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ldo2_reg: ldo2 {
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ldo2_reg: regulator@5 {
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regulator-compatible = "ldo2";
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reg = <5>;
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regulator-min-microvolt = <1050000>;
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regulator-max-microvolt = <1050000>;
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ti,regulator-ext-sleep-control = <0>;
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};
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ldo3_reg: ldo3 {
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ldo3_reg: regulator@6 {
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regulator-compatible = "ldo3";
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reg = <6>;
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regulator-min-microvolt = <1000000>;
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regulator-max-microvolt = <3300000>;
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ti,regulator-ext-sleep-control = <0>;
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};
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ldo4_reg: ldo4 {
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ldo4_reg: regulator@7 {
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regulator-compatible = "ldo4";
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reg = <7>;
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regulator-min-microvolt = <1000000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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ti,regulator-ext-sleep-control = <0>;
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};
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ldo5_reg: ldo5 {
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ldo5_reg: regulator@8 {
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regulator-compatible = "ldo5";
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reg = <8>;
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regulator-min-microvolt = <1000000>;
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regulator-max-microvolt = <3300000>;
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ti,regulator-ext-sleep-control = <0>;
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};
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ldo6_reg: ldo6 {
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ldo6_reg: regulator@9 {
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regulator-compatible = "ldo6";
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reg = <9>;
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regulator-min-microvolt = <1200000>;
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regulator-max-microvolt = <1200000>;
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ti,regulator-ext-sleep-control = <0>;
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};
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ldo7_reg: ldo7 {
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ldo7_reg: regulator@10 {
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regulator-compatible = "ldo7";
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reg = <10>;
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regulator-min-microvolt = <1200000>;
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regulator-max-microvolt = <1200000>;
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regulator-always-on;
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regulator-boot-on;
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ti,regulator-ext-sleep-control = <1>;
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};
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ldo8_reg: ldo8 {
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ldo8_reg: regulator@11 {
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regulator-compatible = "ldo8";
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reg = <11>;
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regulator-min-microvolt = <1000000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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@ -11,6 +11,10 @@ Optional properties:
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- regulator-boot-on: bootloader/firmware enabled regulator
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- <name>-supply: phandle to the parent supply/regulator node
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- regulator-ramp-delay: ramp delay for regulator(in uV/uS)
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- regulator-compatible: If a regulator chip contains multiple
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regulators, and if the chip's binding contains a child node that
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describes each regulator, then this property indicates which regulator
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this child node is intended to configure.
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Example:
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@ -6,8 +6,9 @@ Required properties:
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- interrupts: the interrupt outputs of the controller
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- #gpio-cells: number of cells to describe a GPIO
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- gpio-controller: mark the device as a GPIO controller
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- regulators: list of regulators provided by this controller, must be named
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after their hardware counterparts: sm[0-2], ldo[0-9] and ldo_rtc
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- regulators: list of regulators provided by this controller, must have
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property "regulator-compatible" to match their hardware counterparts:
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sm[0-2], ldo[0-9] and ldo_rtc
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Each regulator is defined using the standard binding for regulators.
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@ -22,74 +23,103 @@ Example:
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gpio-controller;
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regulators {
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sm0_reg: sm0 {
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#address-cells = <1>;
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#size-cells = <0>;
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sm0_reg: regulator@0 {
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reg = <0>;
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regulator-compatible = "sm0";
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regulator-min-microvolt = < 725000>;
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regulator-max-microvolt = <1500000>;
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regulator-boot-on;
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regulator-always-on;
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};
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sm1_reg: sm1 {
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sm1_reg: regulator@1 {
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reg = <1>;
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regulator-compatible = "sm1";
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regulator-min-microvolt = < 725000>;
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regulator-max-microvolt = <1500000>;
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regulator-boot-on;
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regulator-always-on;
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};
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sm2_reg: sm2 {
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sm2_reg: regulator@2 {
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reg = <2>;
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regulator-compatible = "sm2";
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regulator-min-microvolt = <3000000>;
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regulator-max-microvolt = <4550000>;
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regulator-boot-on;
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regulator-always-on;
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};
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ldo0_reg: ldo0 {
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ldo0_reg: regulator@3 {
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reg = <3>;
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regulator-compatible = "ldo0";
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regulator-name = "PCIE CLK";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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};
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ldo1_reg: ldo1 {
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ldo1_reg: regulator@4 {
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reg = <4>;
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regulator-compatible = "ldo1";
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regulator-min-microvolt = < 725000>;
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regulator-max-microvolt = <1500000>;
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};
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ldo2_reg: ldo2 {
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ldo2_reg: regulator@5 {
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reg = <5>;
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regulator-compatible = "ldo2";
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regulator-min-microvolt = < 725000>;
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regulator-max-microvolt = <1500000>;
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};
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ldo3_reg: ldo3 {
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ldo3_reg: regulator@6 {
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reg = <6>;
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regulator-compatible = "ldo3";
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regulator-min-microvolt = <1250000>;
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regulator-max-microvolt = <3300000>;
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};
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ldo4_reg: ldo4 {
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ldo4_reg: regulator@7 {
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reg = <7>;
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regulator-compatible = "ldo4";
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regulator-min-microvolt = <1700000>;
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regulator-max-microvolt = <2475000>;
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};
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ldo5_reg: ldo5 {
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ldo5_reg: regulator@8 {
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reg = <8>;
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regulator-compatible = "ldo5";
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regulator-min-microvolt = <1250000>;
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regulator-max-microvolt = <3300000>;
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};
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ldo6_reg: ldo6 {
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ldo6_reg: regulator@9 {
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reg = <9>;
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regulator-compatible = "ldo6";
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regulator-min-microvolt = <1250000>;
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regulator-max-microvolt = <3300000>;
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};
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ldo7_reg: ldo7 {
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ldo7_reg: regulator@10 {
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reg = <10>;
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regulator-compatible = "ldo7";
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regulator-min-microvolt = <1250000>;
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regulator-max-microvolt = <3300000>;
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};
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ldo8_reg: ldo8 {
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ldo8_reg: regulator@11 {
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reg = <11>;
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regulator-compatible = "ldo8";
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regulator-min-microvolt = <1250000>;
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regulator-max-microvolt = <3300000>;
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};
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ldo9_reg: ldo9 {
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ldo9_reg: regulator@12 {
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reg = <12>;
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regulator-compatible = "ldo9";
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regulator-min-microvolt = <1250000>;
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regulator-max-microvolt = <3300000>;
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};
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