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Unverified Commit ff461ebf authored by Raag Jadav's avatar Raag Jadav Committed by Mark Brown
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regulator: act8865 regulator modes and suspend states



Add documentation for act8865 regulator modes and suspend states.
Add active-semi,8865-regulator.h file for device tree binding constants
for act8865 regulators.

Signed-off-by: default avatarRaag Jadav <raagjadav@gmail.com>
Link: https://lore.kernel.org/r/1565721176-8955-3-git-send-email-raagjadav@gmail.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 9e127fab
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+25 −2
Original line number Diff line number Diff line
@@ -34,6 +34,9 @@ Optional input supply properties:
  - inl67-supply: The input supply for LDO_REG3 and LDO_REG4

Any standard regulator properties can be used to configure the single regulator.
regulator-initial-mode, regulator-allowed-modes and regulator-mode could be specified
for act8865 using mode values from dt-bindings/regulator/active-semi,8865-regulator.h
file.

The valid names for regulators are:
	- for act8846:
@@ -47,6 +50,8 @@ The valid names for regulators are:
Example:
--------

#include <dt-bindings/regulator/active-semi,8865-regulator.h>

		i2c1: i2c@f0018000 {
			pmic: act8865@5b {
				compatible = "active-semi,act8865";
@@ -65,9 +70,19 @@ Example:
						regulator-name = "VCC_1V2";
						regulator-min-microvolt = <1100000>;
						regulator-max-microvolt = <1300000>;
						regulator-suspend-mem-microvolt = <1150000>;
						regulator-suspend-standby-microvolt = <1150000>;
						regulator-always-on;

						regulator-allowed-modes = <ACT8865_REGULATOR_MODE_FIXED>,
									  <ACT8865_REGULATOR_MODE_LOWPOWER>;
						regulator-initial-mode = <ACT8865_REGULATOR_MODE_FIXED>;

						regulator-state-mem {
							regulator-on-in-suspend;
							regulator-suspend-min-microvolt = <1150000>;
							regulator-suspend-max-microvolt = <1150000>;
							regulator-changeable-in-suspend;
							regulator-mode = <ACT8865_REGULATOR_MODE_LOWPOWER>;
						};
					};

					vcc_3v3_reg: DCDC_REG3 {
@@ -82,6 +97,14 @@ Example:
						regulator-min-microvolt = <3300000>;
						regulator-max-microvolt = <3300000>;
						regulator-always-on;

						regulator-allowed-modes = <ACT8865_REGULATOR_MODE_NORMAL>,
									  <ACT8865_REGULATOR_MODE_LOWPOWER>;
						regulator-initial-mode = <ACT8865_REGULATOR_MODE_NORMAL>;

						regulator-state-mem {
							regulator-off-in-suspend;
						};
					};

					vddfuse_reg: LDO_REG2 {
+28 −0
Original line number Diff line number Diff line
/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Device Tree binding constants for the ACT8865 PMIC regulators
 */

#ifndef _DT_BINDINGS_REGULATOR_ACT8865_H
#define _DT_BINDINGS_REGULATOR_ACT8865_H

/*
 * These constants should be used to specify regulator modes in device tree for
 * ACT8865 regulators as follows:
 * ACT8865_REGULATOR_MODE_FIXED:	It is specific to DCDC regulators and it
 *					specifies the usage of fixed-frequency
 *					PWM.
 *
 * ACT8865_REGULATOR_MODE_NORMAL:	It is specific to LDO regulators and it
 *					specifies the usage of normal mode.
 *
 * ACT8865_REGULATOR_MODE_LOWPOWER:	For DCDC and LDO regulators; it specify
 *					the usage of proprietary power-saving
 *					mode.
 */

#define ACT8865_REGULATOR_MODE_FIXED		1
#define ACT8865_REGULATOR_MODE_NORMAL		2
#define ACT8865_REGULATOR_MODE_LOWPOWER	3

#endif