mirror of
https://github.com/torvalds/linux.git
synced 2024-12-23 11:21:33 +00:00
796f5692da
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 <afd@ti.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
112 lines
4.2 KiB
C
112 lines
4.2 KiB
C
/*
|
|
* Core functions for TI TPS65912x PMICs
|
|
*
|
|
* Copyright (C) 2015 Texas Instruments Incorporated - http://www.ti.com/
|
|
* Andrew F. Davis <afd@ti.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed "as is" WITHOUT ANY WARRANTY of any
|
|
* kind, whether expressed or implied; without even the implied warranty
|
|
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License version 2 for more details.
|
|
*
|
|
* Based on the TPS65218 driver and the previous TPS65912 driver by
|
|
* Margarita Olaya Cabrera <magi@slimlogic.co.uk>
|
|
*/
|
|
|
|
#include <linux/interrupt.h>
|
|
#include <linux/mfd/core.h>
|
|
#include <linux/module.h>
|
|
|
|
#include <linux/mfd/tps65912.h>
|
|
|
|
static const struct mfd_cell tps65912_cells[] = {
|
|
{ .name = "tps65912-regulator", },
|
|
{ .name = "tps65912-gpio", },
|
|
};
|
|
|
|
static const struct regmap_irq tps65912_irqs[] = {
|
|
/* INT_STS IRQs */
|
|
REGMAP_IRQ_REG(TPS65912_IRQ_PWRHOLD_F, 0, TPS65912_INT_STS_PWRHOLD_F),
|
|
REGMAP_IRQ_REG(TPS65912_IRQ_VMON, 0, TPS65912_INT_STS_VMON),
|
|
REGMAP_IRQ_REG(TPS65912_IRQ_PWRON, 0, TPS65912_INT_STS_PWRON),
|
|
REGMAP_IRQ_REG(TPS65912_IRQ_PWRON_LP, 0, TPS65912_INT_STS_PWRON_LP),
|
|
REGMAP_IRQ_REG(TPS65912_IRQ_PWRHOLD_R, 0, TPS65912_INT_STS_PWRHOLD_R),
|
|
REGMAP_IRQ_REG(TPS65912_IRQ_HOTDIE, 0, TPS65912_INT_STS_HOTDIE),
|
|
REGMAP_IRQ_REG(TPS65912_IRQ_GPIO1_R, 0, TPS65912_INT_STS_GPIO1_R),
|
|
REGMAP_IRQ_REG(TPS65912_IRQ_GPIO1_F, 0, TPS65912_INT_STS_GPIO1_F),
|
|
/* INT_STS2 IRQs */
|
|
REGMAP_IRQ_REG(TPS65912_IRQ_GPIO2_R, 1, TPS65912_INT_STS2_GPIO2_R),
|
|
REGMAP_IRQ_REG(TPS65912_IRQ_GPIO2_F, 1, TPS65912_INT_STS2_GPIO2_F),
|
|
REGMAP_IRQ_REG(TPS65912_IRQ_GPIO3_R, 1, TPS65912_INT_STS2_GPIO3_R),
|
|
REGMAP_IRQ_REG(TPS65912_IRQ_GPIO3_F, 1, TPS65912_INT_STS2_GPIO3_F),
|
|
REGMAP_IRQ_REG(TPS65912_IRQ_GPIO4_R, 1, TPS65912_INT_STS2_GPIO4_R),
|
|
REGMAP_IRQ_REG(TPS65912_IRQ_GPIO4_F, 1, TPS65912_INT_STS2_GPIO4_F),
|
|
REGMAP_IRQ_REG(TPS65912_IRQ_GPIO5_R, 1, TPS65912_INT_STS2_GPIO5_R),
|
|
REGMAP_IRQ_REG(TPS65912_IRQ_GPIO5_F, 1, TPS65912_INT_STS2_GPIO5_F),
|
|
/* INT_STS3 IRQs */
|
|
REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_DCDC1, 2, TPS65912_INT_STS3_PGOOD_DCDC1),
|
|
REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_DCDC2, 2, TPS65912_INT_STS3_PGOOD_DCDC2),
|
|
REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_DCDC3, 2, TPS65912_INT_STS3_PGOOD_DCDC3),
|
|
REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_DCDC4, 2, TPS65912_INT_STS3_PGOOD_DCDC4),
|
|
REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO1, 2, TPS65912_INT_STS3_PGOOD_LDO1),
|
|
REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO2, 2, TPS65912_INT_STS3_PGOOD_LDO2),
|
|
REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO3, 2, TPS65912_INT_STS3_PGOOD_LDO3),
|
|
REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO4, 2, TPS65912_INT_STS3_PGOOD_LDO4),
|
|
/* INT_STS4 IRQs */
|
|
REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO5, 3, TPS65912_INT_STS4_PGOOD_LDO5),
|
|
REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO6, 3, TPS65912_INT_STS4_PGOOD_LDO6),
|
|
REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO7, 3, TPS65912_INT_STS4_PGOOD_LDO7),
|
|
REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO8, 3, TPS65912_INT_STS4_PGOOD_LDO8),
|
|
REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO9, 3, TPS65912_INT_STS4_PGOOD_LDO9),
|
|
REGMAP_IRQ_REG(TPS65912_IRQ_PGOOD_LDO10, 3, TPS65912_INT_STS4_PGOOD_LDO10),
|
|
};
|
|
|
|
static struct regmap_irq_chip tps65912_irq_chip = {
|
|
.name = "tps65912",
|
|
.irqs = tps65912_irqs,
|
|
.num_irqs = ARRAY_SIZE(tps65912_irqs),
|
|
.num_regs = 4,
|
|
.irq_reg_stride = 2,
|
|
.mask_base = TPS65912_INT_MSK,
|
|
.status_base = TPS65912_INT_STS,
|
|
.ack_base = TPS65912_INT_STS,
|
|
.init_ack_masked = true,
|
|
};
|
|
|
|
int tps65912_device_init(struct tps65912 *tps)
|
|
{
|
|
int ret;
|
|
|
|
ret = regmap_add_irq_chip(tps->regmap, tps->irq, IRQF_ONESHOT, 0,
|
|
&tps65912_irq_chip, &tps->irq_data);
|
|
if (ret)
|
|
return ret;
|
|
|
|
ret = mfd_add_devices(tps->dev, PLATFORM_DEVID_AUTO, tps65912_cells,
|
|
ARRAY_SIZE(tps65912_cells), NULL, 0,
|
|
regmap_irq_get_domain(tps->irq_data));
|
|
if (ret) {
|
|
regmap_del_irq_chip(tps->irq, tps->irq_data);
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(tps65912_device_init);
|
|
|
|
int tps65912_device_exit(struct tps65912 *tps)
|
|
{
|
|
regmap_del_irq_chip(tps->irq, tps->irq_data);
|
|
|
|
return 0;
|
|
}
|
|
EXPORT_SYMBOL_GPL(tps65912_device_exit);
|
|
|
|
MODULE_AUTHOR("Andrew F. Davis <afd@ti.com>");
|
|
MODULE_DESCRIPTION("TPS65912x MFD Driver");
|
|
MODULE_LICENSE("GPL v2");
|