[PATCH v6 2/4] dt-bindings: regulator: add document bindings for mpq7920
From: Saravanan Sekar
Date: Thu Jan 09 2020 - 06:26:05 EST
Add device tree binding information for mpq7920 regulator driver.
Example bindings for mpq7920 are added.
Signed-off-by: Saravanan Sekar <sravanhome@xxxxxxxxx>
---
.../bindings/regulator/mps,mpq7920.yaml | 202 ++++++++++++++++++
1 file changed, 202 insertions(+)
create mode 100644 Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml
diff --git a/Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml b/Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml
new file mode 100644
index 000000000000..598f3ea070c9
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/mps,mpq7920.yaml
@@ -0,0 +1,202 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/regulator/mps,mpq7920.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Monolithic Power System MPQ7920 PMIC
+
+maintainers:
+ - Saravanan Sekar <sravanhome@xxxxxxxxx>
+
+properties:
+ $nodename:
+ pattern: "pmic@[0-9a-f]{1,2}"
+ compatible:
+ enum:
+ - mps,mpq7920
+
+ reg:
+ maxItems: 1
+
+ regulators:
+ type: object
+ description: |
+ list of regulators provided by this controller, must be named
+ after their hardware counterparts BUCK[1-4], one LDORTC, and LDO[2-5]
+
+ mps,switch-freq:
+ description: |
+ switching frequency must be one of following corresponding value
+ 1.1MHz, 1.65MHz, 2.2MHz, 2.75MHz
+ $ref: "/schemas/types.yaml#/definitions/uint8"
+ enum: [ 0, 1, 2, 3 ]
+ default: 2
+
+ buck1:
+ type: object
+ $ref: "regulator.yaml#"
+ description: |
+ 4.5A DC-DC step down converter
+
+ mps,buck-softstart:
+ $ref: "/schemas/types.yaml#/definitions/uint8"
+ enum: [ 0, 1, 2, 3 ]
+ default: 1
+ description: |
+ defines the soft start time of this buck, must be one of the following
+ corresponding values 150us, 300us, 610us, 920us
+
+ mps,buck-phase-delay:
+ $ref: "/schemas/types.yaml#/definitions/uint8"
+ enum: [ 0, 1, 2, 3 ]
+ default: 0
+ description: |
+ defines the phase delay of this buck, must be one of the following
+ corresponding values 0deg, 90deg, 180deg, 270deg
+
+ mps,buck-ovp-disable:
+ type: boolean
+ description: |
+ disables over voltage protection of this buck
+
+ buck2:
+ type: object
+ $ref: "regulator.yaml#"
+ description: |
+ 2.5A DC-DC step down converter
+
+ mps,buck-softstart:
+ description: |
+ defines the soft start time of this buck, must be one of the following
+ corresponding values 150us, 300us, 610us, 920us
+ $ref: "/schemas/types.yaml#/definitions/uint8"
+ enum: [ 0, 1, 2, 3 ]
+ default: 1
+
+ mps,buck-phase-delay:
+ description: |
+ defines the phase delay of this buck, must be one of the following
+ corresponding values 0deg, 90deg, 180deg, 270deg
+ $ref: "/schemas/types.yaml#/definitions/uint8"
+ enum: [ 0, 1, 2, 3 ]
+ default: 0
+
+ mps,buck-ovp-disable:
+ description: |
+ disables over voltage protection of this buck
+ type: boolean
+
+ buck3:
+ type: object
+ $ref: "regulator.yaml#"
+ description: |
+ 4.5A DC-DC step down converter
+
+ mps,buck-softstart:
+ description: |
+ defines the soft start time of this buck, must be one of the following
+ corresponding values 150us, 300us, 610us, 920us
+ $ref: "/schemas/types.yaml#/definitions/uint8"
+ enum: [ 0, 1, 2, 3 ]
+ default: 1
+
+ mps,buck-phase-delay:
+ description: |
+ defines the phase delay of this buck, must be one of the following
+ corresponding values 0deg, 90deg, 180deg, 270deg
+ $ref: "/schemas/types.yaml#/definitions/uint8"
+ enum: [ 0, 1, 2, 3 ]
+ default: 1
+
+ mps,buck-ovp-disable:
+ description: |
+ disables over voltage protection of this buck
+ type: boolean
+
+ buck4:
+ type: object
+ $ref: "regulator.yaml#"
+ description: |
+ 2.5A DC-DC step down converter
+
+ mps,buck-softstart:
+ description: |
+ defines the soft start time of this buck, must be one of the following
+ corresponding values 150us, 300us, 610us, 920us
+ $ref: "/schemas/types.yaml#/definitions/uint8"
+ enum: [ 0, 1, 2, 3 ]
+ default: 1
+
+ mps,buck-phase-delay:
+ description: |
+ defines the phase delay of this buck, must be one of the following
+ corresponding values 0deg, 90deg, 180deg, 270deg
+ $ref: "/schemas/types.yaml#/definitions/uint8"
+ enum: [ 0, 1, 2, 3 ]
+ default: 1
+
+ mps,buck-ovp-disable:
+ description: |
+ disables over voltage protection of this buck
+ type: boolean
+
+ ldortc:
+ $ref: "regulator.yaml#"
+ description: |
+ regulator with 0.65V-3.5875V for RTC, always enabled
+
+ ldo2:
+ $ref: "regulator.yaml#"
+ description: |
+ regulator with 0.65V-3.5875V
+
+ ldo3:
+ $ref: "regulator.yaml#"
+ description: |
+ regulator with 0.65V-3.5875V
+
+ ldo4:
+ $ref: "regulator.yaml#"
+ description: |
+ regulator with 0.65V-3.5875V
+
+ ldo5:
+ $ref: "regulator.yaml#"
+ description: |
+ regulator with 0.65V-3.5875V
+
+examples:
+ - |
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ pmic@69 {
+ compatible = "mps,mpq7920";
+ reg = <0x69>;
+
+ regulators {
+ mps,switch-freq = <1>;
+
+ buck1 {
+ regulator-name = "buck1";
+ regulator-min-microvolt = <400000>;
+ regulator-max-microvolt = <3587500>;
+ regulator-min-microamp = <460000>;
+ regulator-max-microamp = <7600000>;
+ regulator-boot-on;
+ mps,buck-ovp-disable;
+ mps,buck-phase-delay = <2>;
+ mps,buck-softstart = <1>;
+ };
+
+ ldo2 {
+ regulator-name = "ldo2";
+ regulator-min-microvolt = <650000>;
+ regulator-max-microvolt = <3587500>;
+ };
+ };
+ };
+ };
+...
--
2.17.1