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05be09bb5e
S2MPS14 regulators support suspend mode where their status is controlled by PWREN coming from SoC. This patch implements the set_suspend_disable for S2MPS14 regulators. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Mark Brown <broonie@linaro.org>
155 lines
3.7 KiB
C
155 lines
3.7 KiB
C
/*
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* s2mps14.h
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*
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* Copyright (c) 2014 Samsung Electronics Co., Ltd
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* http://www.samsung.com
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef __LINUX_MFD_S2MPS14_H
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#define __LINUX_MFD_S2MPS14_H
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/* S2MPS14 registers */
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enum s2mps14_reg {
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S2MPS14_REG_ID,
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S2MPS14_REG_INT1,
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S2MPS14_REG_INT2,
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S2MPS14_REG_INT3,
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S2MPS14_REG_INT1M,
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S2MPS14_REG_INT2M,
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S2MPS14_REG_INT3M,
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S2MPS14_REG_ST1,
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S2MPS14_REG_ST2,
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S2MPS14_REG_PWRONSRC,
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S2MPS14_REG_OFFSRC,
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S2MPS14_REG_BU_CHG,
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S2MPS14_REG_RTCCTRL,
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S2MPS14_REG_CTRL1,
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S2MPS14_REG_CTRL2,
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S2MPS14_REG_RSVD1,
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S2MPS14_REG_RSVD2,
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S2MPS14_REG_RSVD3,
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S2MPS14_REG_RSVD4,
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S2MPS14_REG_RSVD5,
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S2MPS14_REG_RSVD6,
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S2MPS14_REG_CTRL3,
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S2MPS14_REG_RSVD7,
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S2MPS14_REG_RSVD8,
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S2MPS14_REG_WRSTBI,
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S2MPS14_REG_B1CTRL1,
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S2MPS14_REG_B1CTRL2,
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S2MPS14_REG_B2CTRL1,
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S2MPS14_REG_B2CTRL2,
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S2MPS14_REG_B3CTRL1,
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S2MPS14_REG_B3CTRL2,
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S2MPS14_REG_B4CTRL1,
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S2MPS14_REG_B4CTRL2,
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S2MPS14_REG_B5CTRL1,
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S2MPS14_REG_B5CTRL2,
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S2MPS14_REG_L1CTRL,
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S2MPS14_REG_L2CTRL,
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S2MPS14_REG_L3CTRL,
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S2MPS14_REG_L4CTRL,
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S2MPS14_REG_L5CTRL,
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S2MPS14_REG_L6CTRL,
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S2MPS14_REG_L7CTRL,
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S2MPS14_REG_L8CTRL,
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S2MPS14_REG_L9CTRL,
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S2MPS14_REG_L10CTRL,
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S2MPS14_REG_L11CTRL,
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S2MPS14_REG_L12CTRL,
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S2MPS14_REG_L13CTRL,
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S2MPS14_REG_L14CTRL,
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S2MPS14_REG_L15CTRL,
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S2MPS14_REG_L16CTRL,
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S2MPS14_REG_L17CTRL,
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S2MPS14_REG_L18CTRL,
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S2MPS14_REG_L19CTRL,
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S2MPS14_REG_L20CTRL,
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S2MPS14_REG_L21CTRL,
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S2MPS14_REG_L22CTRL,
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S2MPS14_REG_L23CTRL,
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S2MPS14_REG_L24CTRL,
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S2MPS14_REG_L25CTRL,
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S2MPS14_REG_LDODSCH1,
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S2MPS14_REG_LDODSCH2,
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S2MPS14_REG_LDODSCH3,
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};
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/* S2MPS14 regulator ids */
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enum s2mps14_regulators {
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S2MPS14_LDO1,
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S2MPS14_LDO2,
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S2MPS14_LDO3,
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S2MPS14_LDO4,
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S2MPS14_LDO5,
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S2MPS14_LDO6,
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S2MPS14_LDO7,
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S2MPS14_LDO8,
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S2MPS14_LDO9,
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S2MPS14_LDO10,
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S2MPS14_LDO11,
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S2MPS14_LDO12,
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S2MPS14_LDO13,
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S2MPS14_LDO14,
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S2MPS14_LDO15,
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S2MPS14_LDO16,
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S2MPS14_LDO17,
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S2MPS14_LDO18,
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S2MPS14_LDO19,
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S2MPS14_LDO20,
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S2MPS14_LDO21,
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S2MPS14_LDO22,
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S2MPS14_LDO23,
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S2MPS14_LDO24,
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S2MPS14_LDO25,
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S2MPS14_BUCK1,
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S2MPS14_BUCK2,
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S2MPS14_BUCK3,
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S2MPS14_BUCK4,
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S2MPS14_BUCK5,
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S2MPS14_REGULATOR_MAX,
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};
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/* Regulator constraints for BUCKx */
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#define S2MPS14_BUCK1235_MIN_600MV 600000
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#define S2MPS14_BUCK4_MIN_1400MV 1400000
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#define S2MPS14_BUCK1235_STEP_6_25MV 6250
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#define S2MPS14_BUCK4_STEP_12_5MV 12500
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#define S2MPS14_BUCK1235_START_SEL 0x20
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#define S2MPS14_BUCK4_START_SEL 0x40
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/*
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* Default ramp delay in uv/us. Datasheet says that ramp delay can be
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* controlled however it does not specify which register is used for that.
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* Let's assume that default value will be set.
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*/
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#define S2MPS14_BUCK_RAMP_DELAY 12500
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/* Regulator constraints for different types of LDOx */
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#define S2MPS14_LDO_MIN_800MV 800000
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#define S2MPS14_LDO_MIN_1800MV 1800000
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#define S2MPS14_LDO_STEP_12_5MV 12500
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#define S2MPS14_LDO_STEP_25MV 25000
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#define S2MPS14_LDO_VSEL_MASK 0x3F
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#define S2MPS14_BUCK_VSEL_MASK 0xFF
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#define S2MPS14_ENABLE_MASK (0x03 << S2MPS14_ENABLE_SHIFT)
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#define S2MPS14_ENABLE_SHIFT 6
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/* On/Off controlled by PWREN */
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#define S2MPS14_ENABLE_SUSPEND (0x01 << S2MPS14_ENABLE_SHIFT)
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#define S2MPS14_LDO_N_VOLTAGES (S2MPS14_LDO_VSEL_MASK + 1)
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#define S2MPS14_BUCK_N_VOLTAGES (S2MPS14_BUCK_VSEL_MASK + 1)
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#endif /* __LINUX_MFD_S2MPS14_H */
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