mirror of
https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git
synced 2026-10-29 11:11:45 -04:00
mfd: tps65912: Add driver for the TPS65912 PMIC
This patch adds support for TPS65912 PMIC MFD core. It provides communication through the I2C and SPI interfaces. It contains the following components: - Regulators - GPIO controller Signed-off-by: Andrew F. Davis <[email protected]> Signed-off-by: Lee Jones <[email protected]>
This commit is contained in:
Andrew F. Davis
Lee Jones
parent
65b6555971
commit
796f5692da
6 changed files with 636 additions and 0 deletions
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@ -1180,6 +1180,30 @@ config MFD_TPS65910
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if you say yes here you get support for the TPS65910 series of
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Power Management chips.
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config MFD_TPS65912
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tristate
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select MFD_CORE
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select REGMAP
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select REGMAP_IRQ
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config MFD_TPS65912_I2C
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tristate "TI TPS65912 Power Management chip with I2C"
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select MFD_TPS65912
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select REGMAP_I2C
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depends on I2C
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help
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If you say yes here you get support for the TPS65912 series of
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PM chips with I2C interface.
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config MFD_TPS65912_SPI
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tristate "TI TPS65912 Power Management chip with SPI"
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select MFD_TPS65912
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select REGMAP_SPI
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depends on SPI_MASTER
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help
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If you say yes here you get support for the TPS65912 series of
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PM chips with SPI interface.
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config MFD_TPS80031
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bool "TI TPS80031/TPS80032 Power Management chips"
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depends on I2C=y
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@ -73,6 +73,9 @@ obj-$(CONFIG_TPS6507X) += tps6507x.o
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obj-$(CONFIG_MFD_TPS65217) += tps65217.o
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obj-$(CONFIG_MFD_TPS65218) += tps65218.o
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obj-$(CONFIG_MFD_TPS65910) += tps65910.o
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obj-$(CONFIG_MFD_TPS65912) += tps65912-core.o
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obj-$(CONFIG_MFD_TPS65912_I2C) += tps65912-i2c.o
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obj-$(CONFIG_MFD_TPS65912_SPI) += tps65912-spi.o
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obj-$(CONFIG_MFD_TPS80031) += tps80031.o
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obj-$(CONFIG_MENELAUS) += menelaus.o
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111
drivers/mfd/tps65912-core.c
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111
drivers/mfd/tps65912-core.c
Normal file
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@ -0,0 +1,111 @@
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/*
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* Core functions for TI TPS65912x PMICs
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*
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* Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/
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* Andrew F. Davis <afd@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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* Based on the TPS65218 driver and the previous TPS65912 driver by
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* Margarita Olaya Cabrera <magi@slimlogic.co.uk>
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*/
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#include <linux/interrupt.h>
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#include <linux/mfd/core.h>
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#include <linux/module.h>
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#include <linux/mfd/tps65912.h>
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static const struct mfd_cell tps65912_cells[] = {
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{ .name = "tps65912-regulator", },
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{ .name = "tps65912-gpio", },
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};
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static const struct regmap_irq tps65912_irqs[] = {
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/* INT_STS IRQs */
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REGMAP_IRQ_REG(TPS65912_IRQ_PWRHOLD_F, 0, TPS65912_INT_STS_PWRHOLD_F),
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REGMAP_IRQ_REG(TPS65912_IRQ_VMON, 0, TPS65912_INT_STS_VMON),
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REGMAP_IRQ_REG(TPS65912_IRQ_PWRON, 0, TPS65912_INT_STS_PWRON),
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REGMAP_IRQ_REG(TPS65912_IRQ_PWRON_LP, 0, TPS65912_INT_STS_PWRON_LP),
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REGMAP_IRQ_REG(TPS65912_IRQ_PWRHOLD_R, 0, TPS65912_INT_STS_PWRHOLD_R),
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REGMAP_IRQ_REG(TPS65912_IRQ_HOTDIE, 0, TPS65912_INT_STS_HOTDIE),
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REGMAP_IRQ_REG(TPS65912_IRQ_GPIO1_R, 0, TPS65912_INT_STS_GPIO1_R),
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REGMAP_IRQ_REG(TPS65912_IRQ_GPIO1_F, 0, TPS65912_INT_STS_GPIO1_F),
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/* INT_STS2 IRQs */
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REGMAP_IRQ_REG(TPS65912_IRQ_GPIO2_R, 1, TPS65912_INT_STS2_GPIO2_R),
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REGMAP_IRQ_REG(TPS65912_IRQ_GPIO2_F, 1, TPS65912_INT_STS2_GPIO2_F),
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REGMAP_IRQ_REG(TPS65912_IRQ_GPIO3_R, 1, TPS65912_INT_STS2_GPIO3_R),
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REGMAP_IRQ_REG(TPS65912_IRQ_GPIO3_F, 1, TPS65912_INT_STS2_GPIO3_F),
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REGMAP_IRQ_REG(TPS65912_IRQ_GPIO4_R, 1, TPS65912_INT_STS2_GPIO4_R),
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REGMAP_IRQ_REG(TPS65912_IRQ_GPIO4_F, 1, TPS65912_INT_STS2_GPIO4_F),
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REGMAP_IRQ_REG(TPS65912_IRQ_GPIO5_R, 1, TPS65912_INT_STS2_GPIO5_R),
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REGMAP_IRQ_REG(TPS65912_IRQ_GPIO5_F, 1, TPS65912_INT_STS2_GPIO5_F),
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/* INT_STS3 IRQs */
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REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_DCDC1, 2, TPS65912_INT_STS3_PGOOD_DCDC1),
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REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_DCDC2, 2, TPS65912_INT_STS3_PGOOD_DCDC2),
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REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_DCDC3, 2, TPS65912_INT_STS3_PGOOD_DCDC3),
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REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_DCDC4, 2, TPS65912_INT_STS3_PGOOD_DCDC4),
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REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO1, 2, TPS65912_INT_STS3_PGOOD_LDO1),
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REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO2, 2, TPS65912_INT_STS3_PGOOD_LDO2),
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REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO3, 2, TPS65912_INT_STS3_PGOOD_LDO3),
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REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO4, 2, TPS65912_INT_STS3_PGOOD_LDO4),
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/* INT_STS4 IRQs */
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REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO5, 3, TPS65912_INT_STS4_PGOOD_LDO5),
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REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO6, 3, TPS65912_INT_STS4_PGOOD_LDO6),
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REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO7, 3, TPS65912_INT_STS4_PGOOD_LDO7),
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REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO8, 3, TPS65912_INT_STS4_PGOOD_LDO8),
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REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO9, 3, TPS65912_INT_STS4_PGOOD_LDO9),
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REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO10, 3, TPS65912_INT_STS4_PGOOD_LDO10),
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};
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static struct regmap_irq_chip tps65912_irq_chip = {
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.name = "tps65912",
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.irqs = tps65912_irqs,
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.num_irqs = ARRAY_SIZE(tps65912_irqs),
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.num_regs = 4,
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.irq_reg_stride = 2,
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.mask_base = TPS65912_INT_MSK,
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.status_base = TPS65912_INT_STS,
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.ack_base = TPS65912_INT_STS,
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.init_ack_masked = true,
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};
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int tps65912_device_init(struct tps65912 *tps)
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{
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int ret;
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ret = regmap_add_irq_chip(tps->regmap, tps->irq, IRQF_ONESHOT, 0,
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&tps65912_irq_chip, &tps->irq_data);
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if (ret)
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return ret;
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ret = mfd_add_devices(tps->dev, PLATFORM_DEVID_AUTO, tps65912_cells,
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ARRAY_SIZE(tps65912_cells), NULL, 0,
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regmap_irq_get_domain(tps->irq_data));
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if (ret) {
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regmap_del_irq_chip(tps->irq, tps->irq_data);
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return ret;
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}
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return 0;
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}
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EXPORT_SYMBOL_GPL(tps65912_device_init);
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int tps65912_device_exit(struct tps65912 *tps)
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{
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regmap_del_irq_chip(tps->irq, tps->irq_data);
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return 0;
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}
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EXPORT_SYMBOL_GPL(tps65912_device_exit);
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MODULE_AUTHOR("Andrew F. Davis <[email protected]>");
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MODULE_DESCRIPTION("TPS65912x MFD Driver");
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MODULE_LICENSE("GPL v2");
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79
drivers/mfd/tps65912-i2c.c
Normal file
79
drivers/mfd/tps65912-i2c.c
Normal file
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@ -0,0 +1,79 @@
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/*
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* I2C access driver for TI TPS65912x PMICs
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*
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* Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/
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* Andrew F. Davis <afd@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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* Based on the TPS65218 driver and the previous TPS65912 driver by
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* Margarita Olaya Cabrera <magi@slimlogic.co.uk>
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*/
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#include <linux/i2c.h>
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#include <linux/module.h>
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#include <linux/regmap.h>
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#include <linux/mfd/tps65912.h>
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static const struct of_device_id tps65912_i2c_of_match_table[] = {
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{ .compatible = "ti,tps65912", },
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{ /* sentinel */ }
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};
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static int tps65912_i2c_probe(struct i2c_client *client,
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const struct i2c_device_id *ids)
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{
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struct tps65912 *tps;
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tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL);
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if (!tps)
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return -ENOMEM;
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i2c_set_clientdata(client, tps);
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tps->dev = &client->dev;
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tps->irq = client->irq;
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tps->regmap = devm_regmap_init_i2c(client, &tps65912_regmap_config);
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if (IS_ERR(tps->regmap)) {
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dev_err(tps->dev, "Failed to initialize register map\n");
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return PTR_ERR(tps->regmap);
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}
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return tps65912_device_init(tps);
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}
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static int tps65912_i2c_remove(struct i2c_client *client)
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{
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struct tps65912 *tps = i2c_get_clientdata(client);
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return tps65912_device_exit(tps);
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}
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static const struct i2c_device_id tps65912_i2c_id_table[] = {
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{ "tps65912", 0 },
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{ /* sentinel */ }
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};
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MODULE_DEVICE_TABLE(i2c, tps65912_i2c_id_table);
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static struct i2c_driver tps65912_i2c_driver = {
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.driver = {
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.name = "tps65912",
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.of_match_table = tps65912_i2c_of_match_table,
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},
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.probe = tps65912_i2c_probe,
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.remove = tps65912_i2c_remove,
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.id_table = tps65912_i2c_id_table,
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};
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module_i2c_driver(tps65912_i2c_driver);
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MODULE_AUTHOR("Andrew F. Davis <[email protected]>");
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MODULE_DESCRIPTION("TPS65912x I2C Interface Driver");
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MODULE_LICENSE("GPL v2");
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78
drivers/mfd/tps65912-spi.c
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78
drivers/mfd/tps65912-spi.c
Normal file
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@ -0,0 +1,78 @@
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/*
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* SPI access driver for TI TPS65912x PMICs
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*
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* Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/
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* Andrew F. Davis <afd@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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* Based on the TPS65218 driver and the previous TPS65912 driver by
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* Margarita Olaya Cabrera <magi@slimlogic.co.uk>
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*/
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#include <linux/module.h>
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#include <linux/regmap.h>
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#include <linux/spi/spi.h>
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#include <linux/mfd/tps65912.h>
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static const struct of_device_id tps65912_spi_of_match_table[] = {
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{ .compatible = "ti,tps65912", },
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{ /* sentinel */ }
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};
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static int tps65912_spi_probe(struct spi_device *spi)
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{
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struct tps65912 *tps;
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tps = devm_kzalloc(&spi->dev, sizeof(*tps), GFP_KERNEL);
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if (!tps)
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return -ENOMEM;
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spi_set_drvdata(spi, tps);
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tps->dev = &spi->dev;
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tps->irq = spi->irq;
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tps->regmap = devm_regmap_init_spi(spi, &tps65912_regmap_config);
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if (IS_ERR(tps->regmap)) {
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dev_err(tps->dev, "Failed to initialize register map\n");
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return PTR_ERR(tps->regmap);
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}
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return tps65912_device_init(tps);
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}
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static int tps65912_spi_remove(struct spi_device *client)
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{
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struct tps65912 *tps = spi_get_drvdata(client);
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return tps65912_device_exit(tps);
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}
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static const struct spi_device_id tps65912_spi_id_table[] = {
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{ "tps65912", 0 },
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{ /* sentinel */ }
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};
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MODULE_DEVICE_TABLE(spi, tps65912_spi_id_table);
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static struct spi_driver tps65912_spi_driver = {
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.driver = {
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.name = "tps65912",
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.of_match_table = tps65912_spi_of_match_table,
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},
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.probe = tps65912_spi_probe,
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.remove = tps65912_spi_remove,
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.id_table = tps65912_spi_id_table,
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};
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module_spi_driver(tps65912_spi_driver);
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MODULE_AUTHOR("Andrew F. Davis <[email protected]>");
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MODULE_DESCRIPTION("TPS65912x SPI Interface Driver");
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MODULE_LICENSE("GPL v2");
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