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c0ea88b890
Add support for TPS65218 LS3 current regulator, which is capable of 4 current input limit modes: 100, 200, 500, and 1000 uA. Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il> Signed-off-by: Mark Brown <broonie@kernel.org>
289 lines
8.2 KiB
C
289 lines
8.2 KiB
C
/*
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* linux/mfd/tps65218.h
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*
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* Functions to access TPS65219 power management chip.
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*
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* Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com/
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed "as is" WITHOUT ANY WARRANTY of any
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* kind, whether expressed or implied; without even the implied warranty
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* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License version 2 for more details.
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*/
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#ifndef __LINUX_MFD_TPS65218_H
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#define __LINUX_MFD_TPS65218_H
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#include <linux/i2c.h>
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#include <linux/regulator/driver.h>
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#include <linux/regulator/machine.h>
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#include <linux/bitops.h>
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/* TPS chip id list */
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#define TPS65218 0xF0
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/* I2C ID for TPS65218 part */
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#define TPS65218_I2C_ID 0x24
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/* All register addresses */
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#define TPS65218_REG_CHIPID 0x00
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#define TPS65218_REG_INT1 0x01
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#define TPS65218_REG_INT2 0x02
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#define TPS65218_REG_INT_MASK1 0x03
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#define TPS65218_REG_INT_MASK2 0x04
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#define TPS65218_REG_STATUS 0x05
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#define TPS65218_REG_CONTROL 0x06
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#define TPS65218_REG_FLAG 0x07
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#define TPS65218_REG_PASSWORD 0x10
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#define TPS65218_REG_ENABLE1 0x11
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#define TPS65218_REG_ENABLE2 0x12
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#define TPS65218_REG_CONFIG1 0x13
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#define TPS65218_REG_CONFIG2 0x14
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#define TPS65218_REG_CONFIG3 0x15
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#define TPS65218_REG_CONTROL_DCDC1 0x16
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#define TPS65218_REG_CONTROL_DCDC2 0x17
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#define TPS65218_REG_CONTROL_DCDC3 0x18
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#define TPS65218_REG_CONTROL_DCDC4 0x19
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#define TPS65218_REG_CONTRL_SLEW_RATE 0x1A
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#define TPS65218_REG_CONTROL_LDO1 0x1B
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#define TPS65218_REG_SEQ1 0x20
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#define TPS65218_REG_SEQ2 0x21
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#define TPS65218_REG_SEQ3 0x22
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#define TPS65218_REG_SEQ4 0x23
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#define TPS65218_REG_SEQ5 0x24
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#define TPS65218_REG_SEQ6 0x25
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#define TPS65218_REG_SEQ7 0x26
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/* Register field definitions */
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#define TPS65218_CHIPID_CHIP_MASK 0xF8
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#define TPS65218_CHIPID_REV_MASK 0x07
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#define TPS65218_INT1_VPRG BIT(5)
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#define TPS65218_INT1_AC BIT(4)
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#define TPS65218_INT1_PB BIT(3)
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#define TPS65218_INT1_HOT BIT(2)
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#define TPS65218_INT1_CC_AQC BIT(1)
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#define TPS65218_INT1_PRGC BIT(0)
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#define TPS65218_INT2_LS3_F BIT(5)
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#define TPS65218_INT2_LS2_F BIT(4)
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#define TPS65218_INT2_LS1_F BIT(3)
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#define TPS65218_INT2_LS3_I BIT(2)
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#define TPS65218_INT2_LS2_I BIT(1)
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#define TPS65218_INT2_LS1_I BIT(0)
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#define TPS65218_INT_MASK1_VPRG BIT(5)
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#define TPS65218_INT_MASK1_AC BIT(4)
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#define TPS65218_INT_MASK1_PB BIT(3)
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#define TPS65218_INT_MASK1_HOT BIT(2)
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#define TPS65218_INT_MASK1_CC_AQC BIT(1)
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#define TPS65218_INT_MASK1_PRGC BIT(0)
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#define TPS65218_INT_MASK2_LS3_F BIT(5)
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#define TPS65218_INT_MASK2_LS2_F BIT(4)
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#define TPS65218_INT_MASK2_LS1_F BIT(3)
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#define TPS65218_INT_MASK2_LS3_I BIT(2)
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#define TPS65218_INT_MASK2_LS2_I BIT(1)
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#define TPS65218_INT_MASK2_LS1_I BIT(0)
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#define TPS65218_STATUS_FSEAL BIT(7)
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#define TPS65218_STATUS_EE BIT(6)
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#define TPS65218_STATUS_AC_STATE BIT(5)
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#define TPS65218_STATUS_PB_STATE BIT(4)
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#define TPS65218_STATUS_STATE_MASK 0xC
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#define TPS65218_STATUS_CC_STAT 0x3
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#define TPS65218_CONTROL_OFFNPFO BIT(1)
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#define TPS65218_CONTROL_CC_AQ BIT(0)
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#define TPS65218_FLAG_GPO3_FLG BIT(7)
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#define TPS65218_FLAG_GPO2_FLG BIT(6)
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#define TPS65218_FLAG_GPO1_FLG BIT(5)
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#define TPS65218_FLAG_LDO1_FLG BIT(4)
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#define TPS65218_FLAG_DC4_FLG BIT(3)
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#define TPS65218_FLAG_DC3_FLG BIT(2)
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#define TPS65218_FLAG_DC2_FLG BIT(1)
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#define TPS65218_FLAG_DC1_FLG BIT(0)
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#define TPS65218_ENABLE1_DC6_EN BIT(5)
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#define TPS65218_ENABLE1_DC5_EN BIT(4)
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#define TPS65218_ENABLE1_DC4_EN BIT(3)
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#define TPS65218_ENABLE1_DC3_EN BIT(2)
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#define TPS65218_ENABLE1_DC2_EN BIT(1)
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#define TPS65218_ENABLE1_DC1_EN BIT(0)
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#define TPS65218_ENABLE2_GPIO3 BIT(6)
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#define TPS65218_ENABLE2_GPIO2 BIT(5)
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#define TPS65218_ENABLE2_GPIO1 BIT(4)
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#define TPS65218_ENABLE2_LS3_EN BIT(3)
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#define TPS65218_ENABLE2_LS2_EN BIT(2)
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#define TPS65218_ENABLE2_LS1_EN BIT(1)
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#define TPS65218_ENABLE2_LDO1_EN BIT(0)
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#define TPS65218_CONFIG1_TRST BIT(7)
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#define TPS65218_CONFIG1_GPO2_BUF BIT(6)
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#define TPS65218_CONFIG1_IO1_SEL BIT(5)
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#define TPS65218_CONFIG1_PGDLY_MASK 0x18
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#define TPS65218_CONFIG1_STRICT BIT(2)
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#define TPS65218_CONFIG1_UVLO_MASK 0x3
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#define TPS65218_CONFIG2_DC12_RST BIT(7)
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#define TPS65218_CONFIG2_UVLOHYS BIT(6)
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#define TPS65218_CONFIG2_LS3ILIM_MASK 0xC
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#define TPS65218_CONFIG2_LS2ILIM_MASK 0x3
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#define TPS65218_CONFIG3_LS3NPFO BIT(5)
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#define TPS65218_CONFIG3_LS2NPFO BIT(4)
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#define TPS65218_CONFIG3_LS1NPFO BIT(3)
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#define TPS65218_CONFIG3_LS3DCHRG BIT(2)
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#define TPS65218_CONFIG3_LS2DCHRG BIT(1)
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#define TPS65218_CONFIG3_LS1DCHRG BIT(0)
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#define TPS65218_CONTROL_DCDC1_PFM BIT(7)
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#define TPS65218_CONTROL_DCDC1_MASK 0x7F
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#define TPS65218_CONTROL_DCDC2_PFM BIT(7)
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#define TPS65218_CONTROL_DCDC2_MASK 0x3F
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#define TPS65218_CONTROL_DCDC3_PFM BIT(7)
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#define TPS65218_CONTROL_DCDC3_MASK 0x3F
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#define TPS65218_CONTROL_DCDC4_PFM BIT(7)
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#define TPS65218_CONTROL_DCDC4_MASK 0x3F
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#define TPS65218_SLEW_RATE_GO BIT(7)
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#define TPS65218_SLEW_RATE_GODSBL BIT(6)
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#define TPS65218_SLEW_RATE_SLEW_MASK 0x7
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#define TPS65218_CONTROL_LDO1_MASK 0x3F
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#define TPS65218_SEQ1_DLY8 BIT(7)
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#define TPS65218_SEQ1_DLY7 BIT(6)
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#define TPS65218_SEQ1_DLY6 BIT(5)
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#define TPS65218_SEQ1_DLY5 BIT(4)
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#define TPS65218_SEQ1_DLY4 BIT(3)
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#define TPS65218_SEQ1_DLY3 BIT(2)
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#define TPS65218_SEQ1_DLY2 BIT(1)
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#define TPS65218_SEQ1_DLY1 BIT(0)
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#define TPS65218_SEQ2_DLYFCTR BIT(7)
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#define TPS65218_SEQ2_DLY9 BIT(0)
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#define TPS65218_SEQ3_DC2_SEQ_MASK 0xF0
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#define TPS65218_SEQ3_DC1_SEQ_MASK 0xF
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#define TPS65218_SEQ4_DC4_SEQ_MASK 0xF0
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#define TPS65218_SEQ4_DC3_SEQ_MASK 0xF
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#define TPS65218_SEQ5_DC6_SEQ_MASK 0xF0
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#define TPS65218_SEQ5_DC5_SEQ_MASK 0xF
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#define TPS65218_SEQ6_LS1_SEQ_MASK 0xF0
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#define TPS65218_SEQ6_LDO1_SEQ_MASK 0xF
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#define TPS65218_SEQ7_GPO3_SEQ_MASK 0xF0
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#define TPS65218_SEQ7_GPO1_SEQ_MASK 0xF
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#define TPS65218_PROTECT_NONE 0
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#define TPS65218_PROTECT_L1 1
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enum tps65218_regulator_id {
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/* DCDC's */
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TPS65218_DCDC_1,
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TPS65218_DCDC_2,
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TPS65218_DCDC_3,
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TPS65218_DCDC_4,
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TPS65218_DCDC_5,
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TPS65218_DCDC_6,
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/* LS's */
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TPS65218_LS_3,
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/* LDOs */
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TPS65218_LDO_1,
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};
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#define TPS65218_MAX_REG_ID TPS65218_LDO_1
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/* Number of step-down converters available */
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#define TPS65218_NUM_DCDC 6
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/* Number of LDO voltage regulators available */
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#define TPS65218_NUM_LDO 1
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/* Number of total LS current regulators available */
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#define TPS65218_NUM_LS 1
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/* Number of total regulators available */
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#define TPS65218_NUM_REGULATOR (TPS65218_NUM_DCDC + TPS65218_NUM_LDO \
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+ TPS65218_NUM_LS)
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/* Define the TPS65218 IRQ numbers */
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enum tps65218_irqs {
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/* INT1 registers */
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TPS65218_PRGC_IRQ,
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TPS65218_CC_AQC_IRQ,
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TPS65218_HOT_IRQ,
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TPS65218_PB_IRQ,
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TPS65218_AC_IRQ,
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TPS65218_VPRG_IRQ,
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TPS65218_INVALID1_IRQ,
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TPS65218_INVALID2_IRQ,
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/* INT2 registers */
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TPS65218_LS1_I_IRQ,
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TPS65218_LS2_I_IRQ,
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TPS65218_LS3_I_IRQ,
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TPS65218_LS1_F_IRQ,
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TPS65218_LS2_F_IRQ,
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TPS65218_LS3_F_IRQ,
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TPS65218_INVALID3_IRQ,
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TPS65218_INVALID4_IRQ,
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};
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/**
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* struct tps_info - packages regulator constraints
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* @id: Id of the regulator
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* @name: Voltage regulator name
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* @min_uV: minimum micro volts
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* @max_uV: minimum micro volts
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*
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* This data is used to check the regualtor voltage limits while setting.
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*/
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struct tps_info {
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int id;
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const char *name;
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int min_uV;
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int max_uV;
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};
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/**
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* struct tps65218 - tps65218 sub-driver chip access routines
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*
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* Device data may be used to access the TPS65218 chip
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*/
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struct tps65218 {
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struct device *dev;
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unsigned int id;
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struct mutex tps_lock; /* lock guarding the data structure */
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/* IRQ Data */
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int irq;
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u32 irq_mask;
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struct regmap_irq_chip_data *irq_data;
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struct regulator_desc desc[TPS65218_NUM_REGULATOR];
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struct tps_info *info[TPS65218_NUM_REGULATOR];
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struct regmap *regmap;
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};
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int tps65218_reg_read(struct tps65218 *tps, unsigned int reg,
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unsigned int *val);
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int tps65218_reg_write(struct tps65218 *tps, unsigned int reg,
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unsigned int val, unsigned int level);
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int tps65218_set_bits(struct tps65218 *tps, unsigned int reg,
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unsigned int mask, unsigned int val, unsigned int level);
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int tps65218_clear_bits(struct tps65218 *tps, unsigned int reg,
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unsigned int mask, unsigned int level);
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#endif /* __LINUX_MFD_TPS65218_H */
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