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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: Raag Jadav <raagjadav@gmail.com>
Link: https://lore.kernel.org/r/1565721176-8955-3-git-send-email-raagjadav@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Raag Jadav 2019-08-14 00:02:56 +05:30 committed by Mark Brown
parent 9e127fab67
commit ff461ebfd4
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GPG Key ID: 24D68B725D5487D0
2 changed files with 53 additions and 2 deletions
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27
Documentation/devicetree/bindings/regulator/act8865-regulator.txt
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@ -34,6 +34,9 @@ Optional input supply properties:
- inl67-supply: The input supply for LDO_REG3 and LDO_REG4 - inl67-supply: The input supply for LDO_REG3 and LDO_REG4
Any standard regulator properties can be used to configure the single regulator. 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: The valid names for regulators are:
- for act8846: - for act8846:
@ -47,6 +50,8 @@ The valid names for regulators are:
Example: Example:
-------- --------
#include <dt-bindings/regulator/active-semi,8865-regulator.h>
i2c1: i2c@f0018000 { i2c1: i2c@f0018000 {
pmic: act8865@5b { pmic: act8865@5b {
compatible = "active-semi,act8865"; compatible = "active-semi,act8865";
@ -65,9 +70,19 @@ Example:
regulator-name = "VCC_1V2"; regulator-name = "VCC_1V2";
regulator-min-microvolt = <1100000>; regulator-min-microvolt = <1100000>;
regulator-max-microvolt = <1300000>; regulator-max-microvolt = <1300000>;
regulator-suspend-mem-microvolt = <1150000>;
regulator-suspend-standby-microvolt = <1150000>;
regulator-always-on; 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 { vcc_3v3_reg: DCDC_REG3 {
@ -82,6 +97,14 @@ Example:
regulator-min-microvolt = <3300000>; regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>; regulator-max-microvolt = <3300000>;
regulator-always-on; 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 { vddfuse_reg: LDO_REG2 {

28
include/dt-bindings/regulator/active-semi,8865-regulator.h Normal file
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@ -0,0 +1,28 @@
/* 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