[PATCH v2 1/2] dt-bindings: regulator: Add Spreadtrum SC2731 regulator documentation

[Erick Chen]

This patch adds support for the Spreadtrum SC2731
voltage regulator device.

Signed-off-by: Erick Chen 
---
Changes since v1:
- Remove reg property.
- Remove regulators sub-node.
---
 .../bindings/regulator/sprd,sc2731-regulator.txt   |   43 
 1 file changed, 43 insertions(+)
 create mode 100644 
Documentation/devicetree/bindings/regulator/sprd,sc2731-regulator.txt

diff --git 
a/Documentation/devicetree/bindings/regulator/sprd,sc2731-regulator.txt 
b/Documentation/devicetree/bindings/regulator/sprd,sc2731-regulator.txt
new file mode 100644
index 000..63dc078
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/sprd,sc2731-regulator.txt
@@ -0,0 +1,43 @@
+Spreadtrum SC2731 Voltage regulators
+
+The SC2731 integrates low-voltage and low quiescent current DCDC/LDO.
+14 LDO and 3 DCDCs are designed for external use. All DCDCs/LDOs have
+their own bypass (power-down) control signals. External tantalum or MLCC
+ceramic capacitors are recommended to use with these LDOs.
+
+Required properties:
+ - compatible: should be "sprd,sc27xx-regulator".
+
+List of regulators provided by this controller. It is named according to
+its regulator type, BUCK_ and LDO_. The definition for each
+of these nodes is defined using the standard binding for regulators at
+Documentation/devicetree/bindings/regulator/regulator.txt.
+
+The valid names for regulators are:
+BUCK:
+   BUCK_CPU0, BUCK_CPU1, BUCK_RF
+LDO:
+   LDO_CAMA0, LDO_CAMA1, LDO_CAMMOT, LDO_VLDO, LDO_EMMCCORE, LDO_SDCORE,
+   LDO_SDIO, LDO_WIFIPA, LDO_USB33, LDO_CAMD0, LDO_CAMD1, LDO_CON,
+   LDO_CAMIO, LDO_SRAM
+
+Example:
+   regulators {
+   compatible = "sprd,sc27xx-regulator";
+
+   vddarm0: BUCK_CPU0 {
+   regulator-name = "vddarm0";
+   regulator-min-microvolt = <40>;
+   regulator-max-microvolt = <1996875>;
+   regulator-ramp-delay = <25000>;
+   regulator-always-on;
+   };
+
+   vddcama0: LDO_CAMA0 {
+   regulator-name = "vddcama0";
+   regulator-min-microvolt = <120>;
+   regulator-max-microvolt = <375>;
+   regulator-enable-ramp-delay = <100>;
+   };
+   ...
+   };
-- 
1.7.9.5

[PATCH v2 1/2] dt-bindings: regulator: Add Spreadtrum SC2731 regulator documentation

[Erick Chen]

This patch adds support for the Spreadtrum SC2731
voltage regulator device.

Signed-off-by: Erick Chen 
---
Changes since v1:
- Remove reg property.
- Remove regulators sub-node.
---
 .../bindings/regulator/sprd,sc2731-regulator.txt   |   43 
 1 file changed, 43 insertions(+)
 create mode 100644 
Documentation/devicetree/bindings/regulator/sprd,sc2731-regulator.txt

diff --git 
a/Documentation/devicetree/bindings/regulator/sprd,sc2731-regulator.txt 
b/Documentation/devicetree/bindings/regulator/sprd,sc2731-regulator.txt
new file mode 100644
index 000..63dc078
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/sprd,sc2731-regulator.txt
@@ -0,0 +1,43 @@
+Spreadtrum SC2731 Voltage regulators
+
+The SC2731 integrates low-voltage and low quiescent current DCDC/LDO.
+14 LDO and 3 DCDCs are designed for external use. All DCDCs/LDOs have
+their own bypass (power-down) control signals. External tantalum or MLCC
+ceramic capacitors are recommended to use with these LDOs.
+
+Required properties:
+ - compatible: should be "sprd,sc27xx-regulator".
+
+List of regulators provided by this controller. It is named according to
+its regulator type, BUCK_ and LDO_. The definition for each
+of these nodes is defined using the standard binding for regulators at
+Documentation/devicetree/bindings/regulator/regulator.txt.
+
+The valid names for regulators are:
+BUCK:
+   BUCK_CPU0, BUCK_CPU1, BUCK_RF
+LDO:
+   LDO_CAMA0, LDO_CAMA1, LDO_CAMMOT, LDO_VLDO, LDO_EMMCCORE, LDO_SDCORE,
+   LDO_SDIO, LDO_WIFIPA, LDO_USB33, LDO_CAMD0, LDO_CAMD1, LDO_CON,
+   LDO_CAMIO, LDO_SRAM
+
+Example:
+   regulators {
+   compatible = "sprd,sc27xx-regulator";
+
+   vddarm0: BUCK_CPU0 {
+   regulator-name = "vddarm0";
+   regulator-min-microvolt = <40>;
+   regulator-max-microvolt = <1996875>;
+   regulator-ramp-delay = <25000>;
+   regulator-always-on;
+   };
+
+   vddcama0: LDO_CAMA0 {
+   regulator-name = "vddcama0";
+   regulator-min-microvolt = <120>;
+   regulator-max-microvolt = <375>;
+   regulator-enable-ramp-delay = <100>;
+   };
+   ...
+   };
-- 
1.7.9.5