Merge tag 'regulator-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "Quite a lot of core work this time around, though not 100% successful.

  We gained support for runtime mode changes thanks to David Collins and
  improved support for write only regulators (ones where we can't read
  back the configuration) from Douglas Anderson.

  There's been quite a bit of work from Linus Walleij on converting from
  specfying GPIOs by numbers to descriptors. Sadly the testing turned
  out to be less good than we had hoped and so a lot of this had to be
  reverted.

  We also have the start of updates to use coupled regulators from
  Maciej Purski, unfortunately there are further problems there so the
  last couple of patches have been reverted.

  We also have new drivers for BD71837 and SY8106A devices, SAW
  regulators on Qualcomm SPMI and dropped support for some preproduction
  chips that never made it to market from the AB8500 driver"

* tag 'regulator-v4.18' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (57 commits)
  regulator: gpio: Revert
  ARM: pxa, regulator: fix building ezx e680
  regulator: Revert coupled regulator support again
  regulator: wm8994: Fix shared GPIOs
  regulator: max77686: Fix shared GPIOs
  regulator: bd71837: BD71837 PMIC regulator driver
  regulator: bd71837: Devicetree bindings for BD71837 regulators
  regulator: gpio: Get enable GPIO using GPIO descriptor
  regulator: fixed: Convert to use GPIO descriptor only
  regulator: s2mps11: Fix boot on Odroid XU3
  dt-bindings: qcom_spmi: Document SAW support
  regulator: qcom_spmi: Add support for SAW
  regulator: tps65090: Pass descriptor instead of GPIO number
  regulator: s5m8767: Pass descriptor instead of GPIO number
  regulator: pfuze100: Delete reference to ena_gpio
  regulator: max8952: Pass descriptor instead of GPIO number
  regulator: lp8788-ldo: Pass descriptor instead of GPIO number
  regulator: lm363x: Pass descriptor instead of GPIO number
  regulator: max8973: Pass descriptor instead of GPIO number
  regulator: mc13xxx-core: Switch to SPDX identifier
  ...

7 files changed, 230 insertions, 4 deletions

diff --git a/Documentation/devicetree/bindings/mfd/axp20x.txt b/Documentation/devicetree/bindings/mfd/axp20x.txt
index 9455503b0299..d1762f3b30af 100644
--- a/Documentation/devicetree/bindings/mfd/axp20x.txt
+++ b/Documentation/devicetree/bindings/mfd/axp20x.txt
@@ -43,7 +43,7 @@ Optional properties:
 			  regulator to drive the OTG VBus, rather then
 			  as an input pin which signals whether the
 			  board is driving OTG VBus or not.
-			  (axp221 / axp223 / axp813 only)
+			  (axp221 / axp223 / axp803/ axp813 only)
 
 - x-powers,master-mode: Boolean (axp806 only). Set this when the PMIC is
 			wired for master mode. The default is slave mode.
@@ -132,6 +132,7 @@ FLDO2		: LDO		: fldoin-supply		: shared supply
 LDO_IO0		: LDO		: ips-supply		: GPIO 0
 LDO_IO1		: LDO		: ips-supply		: GPIO 1
 RTC_LDO		: LDO		: ips-supply		: always on
+DRIVEVBUS	: Enable output	: drivevbus-supply	: external regulator
 
 AXP806 regulators, type, and corresponding input supply names:
 
diff --git a/Documentation/devicetree/bindings/mfd/bd9571mwv.txt b/Documentation/devicetree/bindings/mfd/bd9571mwv.txt
index 9ab216a851d5..25d1f697eb25 100644
--- a/Documentation/devicetree/bindings/mfd/bd9571mwv.txt
+++ b/Documentation/devicetree/bindings/mfd/bd9571mwv.txt
@@ -25,6 +25,25 @@ Required properties:
 			    Each child node is defined using the standard
 			    binding for regulators.
 
+Optional properties:
+  - rohm,ddr-backup-power : Value to use for DDR-Backup Power (default 0).
+			    This is a bitmask that specifies which DDR power
+			    rails need to be kept powered when backup mode is
+			    entered, for system suspend:
+			      - bit 0: DDR0
+			      - bit 1: DDR1
+			      - bit 2: DDR0C
+			      - bit 3: DDR1C
+			    These bits match the KEEPON_DDR* bits in the
+			    documentation for the "BKUP Mode Cnt" register.
+  - rohm,rstbmode-level: The RSTB signal is configured for level mode, to
+			 accommodate a toggle power switch (the RSTBMODE pin is
+			 strapped low).
+  - rohm,rstbmode-pulse: The RSTB signal is configured for pulse mode, to
+			 accommodate a momentary power switch (the RSTBMODE pin
+			 is strapped high).
+			 The two properties above are mutually exclusive.
+
 Example:
 
 	pmic: pmic@30 {
@@ -36,6 +55,8 @@ Example:
 		#interrupt-cells = <2>;
 		gpio-controller;
 		#gpio-cells = <2>;
+		rohm,ddr-backup-power = <0xf>;
+		rohm,rstbmode-pulse;
 
 		regulators {
 			dvfs: dvfs {
diff --git a/Documentation/devicetree/bindings/regulator/pfuze100.txt b/Documentation/devicetree/bindings/regulator/pfuze100.txt
index c6dd3f5e485b..f0ada3b14d70 100644
--- a/Documentation/devicetree/bindings/regulator/pfuze100.txt
+++ b/Documentation/devicetree/bindings/regulator/pfuze100.txt
@@ -21,7 +21,7 @@ Each regulator is defined using the standard binding for regulators.
 
 Example 1: PFUZE100
 
-	pmic: pfuze100@8 {
+	pfuze100: pmic@8 {
 		compatible = "fsl,pfuze100";
 		reg = <0x08>;
 
@@ -122,7 +122,7 @@ Example 1: PFUZE100
 
 Example 2: PFUZE200
 
-	pmic: pfuze200@8 {
+	pfuze200: pmic@8 {
 		compatible = "fsl,pfuze200";
 		reg = <0x08>;
 
@@ -216,7 +216,7 @@ Example 2: PFUZE200
 
 Example 3: PFUZE3000
 
-	pmic: pfuze3000@8 {
+	pfuze3000: pmic@8 {
 		compatible = "fsl,pfuze3000";
 		reg = <0x08>;
 
diff --git a/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.txt b/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.txt
index 57d2c65899df..406f2e570c50 100644
--- a/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.txt
+++ b/Documentation/devicetree/bindings/regulator/qcom,spmi-regulator.txt
@@ -110,6 +110,11 @@ Qualcomm SPMI Regulators
 	Definition: Reference to regulator supplying the input pin, as
 		    described in the data sheet.
 
+- qcom,saw-reg:
+	Usage: optional
+	Value type: <phandle>
+	Description: Reference to syscon node defining the SAW registers.
+
 
 The regulator node houses sub-nodes for each regulator within the device. Each
 sub-node is identified using the node's name, with valid values listed for each
@@ -201,6 +206,17 @@ see regulator.txt - with additional custom properties described below:
 			2 = 0.55 uA
 			3 = 0.75 uA
 
+- qcom,saw-slave:
+	Usage: optional
+	Value type: <boo>
+	Description: SAW controlled gang slave. Will not be configured.
+
+- qcom,saw-leader:
+	Usage: optional
+	Value type: <boo>
+	Description: SAW controlled gang leader. Will be configured as
+		     SAW regulator.
+
 Example:
 
 	regulators {
@@ -221,3 +237,32 @@ Example:
 
 		....
 	};
+
+Example 2:
+
+	saw3: syscon@9A10000 {
+		compatible = "syscon";
+		reg = <0x9A10000 0x1000>;
+	};
+
+	...
+
+	spm-regulators {
+		compatible = "qcom,pm8994-regulators";
+		qcom,saw-reg = <&saw3>;
+		s8 {
+			qcom,saw-slave;
+		};
+		s9 {
+			qcom,saw-slave;
+		};
+		s10 {
+			qcom,saw-slave;
+		};
+		pm8994_s11_saw: s11 {
+			qcom,saw-leader;
+			regulator-always-on;
+			regulator-min-microvolt = <900000>;
+			regulator-max-microvolt = <1140000>;
+		};
+	};
diff --git a/Documentation/devicetree/bindings/regulator/regulator.txt b/Documentation/devicetree/bindings/regulator/regulator.txt
index 2babe15b618d..a7cd36877bfe 100644
--- a/Documentation/devicetree/bindings/regulator/regulator.txt
+++ b/Documentation/devicetree/bindings/regulator/regulator.txt
@@ -59,6 +59,11 @@ Optional properties:
 - regulator-initial-mode: initial operating mode. The set of possible operating
   modes depends on the capabilities of every hardware so each device binding
   documentation explains which values the regulator supports.
+- regulator-allowed-modes: list of operating modes that software is allowed to
+  configure for the regulator at run-time.  Elements may be specified in any
+  order.  The set of possible operating modes depends on the capabilities of
+  every hardware so each device binding document explains which values the
+  regulator supports.
 - regulator-system-load: Load in uA present on regulator that is not captured by
   any consumer request.
 - regulator-pull-down: Enable pull down resistor when the regulator is disabled.
@@ -68,6 +73,11 @@ Optional properties:
 	0: Disable active discharge.
 	1: Enable active discharge.
 	Absence of this property will leave configuration to default.
+- regulator-coupled-with: Regulators with which the regulator
+  is coupled. The linkage is 2-way - all coupled regulators should be linked
+  with each other. A regulator should not be coupled with its supplier.
+- regulator-coupled-max-spread: Max spread between voltages of coupled regulators
+  in microvolts.
 
 Deprecated properties:
 - regulator-compatible: If a regulator chip contains multiple
diff --git a/Documentation/devicetree/bindings/regulator/rohm,bd71837-regulator.txt b/Documentation/devicetree/bindings/regulator/rohm,bd71837-regulator.txt
new file mode 100644
index 000000000000..4edf3137d9f7
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/rohm,bd71837-regulator.txt
@@ -0,0 +1,126 @@
+ROHM BD71837 Power Management Integrated Circuit (PMIC) regulator bindings
+
+BD71837MWV is a programmable Power Management
+IC (PMIC) for powering single-core, dual-core, and
+quad-core SoC’s such as NXP-i.MX 8M. It is optimized
+for low BOM cost and compact solution footprint. It
+integrates 8 Buck regulators and 7 LDO’s to provide all
+the power rails required by the SoC and the commonly
+used peripherals.
+
+Required properties:
+ - regulator-name: should be "buck1", ..., "buck8" and "ldo1", ..., "ldo7"
+
+List of regulators provided by this controller. BD71837 regulators node
+should be sub node of the BD71837 MFD node. See BD71837 MFD bindings at
+Documentation/devicetree/bindings/mfd/rohm,bd71837-pmic.txt
+Regulator nodes should be named to BUCK_<number> and LDO_<number>. The
+definition for each of these nodes is defined using the standard
+binding for regulators at
+Documentation/devicetree/bindings/regulator/regulator.txt.
+Note that if BD71837 starts at RUN state you probably want to use
+regulator-boot-on at least for BUCK6 and BUCK7 so that those are not
+disabled by driver at startup. LDO5 and LDO6 are supplied by those and
+if they are disabled at startup the voltage monitoring for LDO5/LDO6 will
+cause PMIC to reset.
+
+The valid names for regulator nodes are:
+BUCK1, BUCK2, BUCK3, BUCK4, BUCK5, BUCK6, BUCK7, BUCK8
+LDO1, LDO2, LDO3, LDO4, LDO5, LDO6, LDO7
+
+Optional properties:
+- Any optional property defined in bindings/regulator/regulator.txt
+
+Example:
+regulators {
+	buck1: BUCK1 {
+		regulator-name = "buck1";
+		regulator-min-microvolt = <700000>;
+		regulator-max-microvolt = <1300000>;
+		regulator-boot-on;
+		regulator-ramp-delay = <1250>;
+	};
+	buck2: BUCK2 {
+		regulator-name = "buck2";
+		regulator-min-microvolt = <700000>;
+		regulator-max-microvolt = <1300000>;
+		regulator-boot-on;
+		regulator-always-on;
+		regulator-ramp-delay = <1250>;
+	};
+	buck3: BUCK3 {
+		regulator-name = "buck3";
+		regulator-min-microvolt = <700000>;
+		regulator-max-microvolt = <1300000>;
+		regulator-boot-on;
+	};
+	buck4: BUCK4 {
+		regulator-name = "buck4";
+		regulator-min-microvolt = <700000>;
+		regulator-max-microvolt = <1300000>;
+		regulator-boot-on;
+	};
+	buck5: BUCK5 {
+		regulator-name = "buck5";
+		regulator-min-microvolt = <700000>;
+		regulator-max-microvolt = <1350000>;
+		regulator-boot-on;
+	};
+	buck6: BUCK6 {
+		regulator-name = "buck6";
+		regulator-min-microvolt = <3000000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-boot-on;
+	};
+	buck7: BUCK7 {
+		regulator-name = "buck7";
+		regulator-min-microvolt = <1605000>;
+		regulator-max-microvolt = <1995000>;
+		regulator-boot-on;
+	};
+	buck8: BUCK8 {
+		regulator-name = "buck8";
+		regulator-min-microvolt = <800000>;
+		regulator-max-microvolt = <1400000>;
+	};
+
+	ldo1: LDO1 {
+		regulator-name = "ldo1";
+		regulator-min-microvolt = <3000000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-boot-on;
+	};
+	ldo2: LDO2 {
+		regulator-name = "ldo2";
+		regulator-min-microvolt = <900000>;
+		regulator-max-microvolt = <900000>;
+		regulator-boot-on;
+	};
+	ldo3: LDO3 {
+		regulator-name = "ldo3";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <3300000>;
+	};
+	ldo4: LDO4 {
+		regulator-name = "ldo4";
+		regulator-min-microvolt = <900000>;
+		regulator-max-microvolt = <1800000>;
+	};
+	ldo5: LDO5 {
+		regulator-name = "ldo5";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <3300000>;
+	};
+	ldo6: LDO6 {
+		regulator-name = "ldo6";
+		regulator-min-microvolt = <900000>;
+		regulator-max-microvolt = <1800000>;
+	};
+	ldo7_reg: LDO7 {
+		regulator-name = "ldo7";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <3300000>;
+	};
+};
+
+
diff --git a/Documentation/devicetree/bindings/regulator/sy8106a-regulator.txt b/Documentation/devicetree/bindings/regulator/sy8106a-regulator.txt
new file mode 100644
index 000000000000..39a8ca73f572
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/sy8106a-regulator.txt
@@ -0,0 +1,23 @@
+SY8106A Voltage regulator
+
+Required properties:
+- compatible: Must be "silergy,sy8106a"
+- reg: I2C slave address - must be <0x65>
+- silergy,fixed-microvolt - the voltage when I2C regulating is disabled (set
+  by external resistor like a fixed voltage)
+
+Any property defined as part of the core regulator binding, defined in
+./regulator.txt, can also be used.
+
+Example:
+
+	sy8106a {
+		compatible = "silergy,sy8106a";
+		reg = <0x65>;
+		regulator-name = "sy8106a-vdd";
+		silergy,fixed-microvolt = <1200000>;
+		regulator-min-microvolt = <1000000>;
+		regulator-max-microvolt = <1400000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};