linux-stable/drivers/mfd/intel_soc_pmic_crc.c
Shobhit Kumar 3d5e10ec50 mfd: intel_soc_pmic_crc: Add PWM cell device for Crystalcove PMIC
Needed for PWM control suuported by the PMIC

CC: Samuel Ortiz <sameo@linux.intel.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Alexandre Courbot <gnurou@gmail.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Tested-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Shobhit Kumar <shobhit.kumar@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2015-07-21 09:22:08 +02:00

164 lines
3.9 KiB
C

/*
* intel_soc_pmic_crc.c - Device access for Crystal Cove PMIC
*
* Copyright (C) 2013, 2014 Intel Corporation. All rights reserved.
*
* 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 in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* Author: Yang, Bin <bin.yang@intel.com>
* Author: Zhu, Lejun <lejun.zhu@linux.intel.com>
*/
#include <linux/mfd/core.h>
#include <linux/interrupt.h>
#include <linux/regmap.h>
#include <linux/mfd/intel_soc_pmic.h>
#include "intel_soc_pmic_core.h"
#define CRYSTAL_COVE_MAX_REGISTER 0xC6
#define CRYSTAL_COVE_REG_IRQLVL1 0x02
#define CRYSTAL_COVE_REG_MIRQLVL1 0x0E
#define CRYSTAL_COVE_IRQ_PWRSRC 0
#define CRYSTAL_COVE_IRQ_THRM 1
#define CRYSTAL_COVE_IRQ_BCU 2
#define CRYSTAL_COVE_IRQ_ADC 3
#define CRYSTAL_COVE_IRQ_CHGR 4
#define CRYSTAL_COVE_IRQ_GPIO 5
#define CRYSTAL_COVE_IRQ_VHDMIOCP 6
static struct resource gpio_resources[] = {
{
.name = "GPIO",
.start = CRYSTAL_COVE_IRQ_GPIO,
.end = CRYSTAL_COVE_IRQ_GPIO,
.flags = IORESOURCE_IRQ,
},
};
static struct resource pwrsrc_resources[] = {
{
.name = "PWRSRC",
.start = CRYSTAL_COVE_IRQ_PWRSRC,
.end = CRYSTAL_COVE_IRQ_PWRSRC,
.flags = IORESOURCE_IRQ,
},
};
static struct resource adc_resources[] = {
{
.name = "ADC",
.start = CRYSTAL_COVE_IRQ_ADC,
.end = CRYSTAL_COVE_IRQ_ADC,
.flags = IORESOURCE_IRQ,
},
};
static struct resource thermal_resources[] = {
{
.name = "THERMAL",
.start = CRYSTAL_COVE_IRQ_THRM,
.end = CRYSTAL_COVE_IRQ_THRM,
.flags = IORESOURCE_IRQ,
},
};
static struct resource bcu_resources[] = {
{
.name = "BCU",
.start = CRYSTAL_COVE_IRQ_BCU,
.end = CRYSTAL_COVE_IRQ_BCU,
.flags = IORESOURCE_IRQ,
},
};
static struct mfd_cell crystal_cove_dev[] = {
{
.name = "crystal_cove_pwrsrc",
.num_resources = ARRAY_SIZE(pwrsrc_resources),
.resources = pwrsrc_resources,
},
{
.name = "crystal_cove_adc",
.num_resources = ARRAY_SIZE(adc_resources),
.resources = adc_resources,
},
{
.name = "crystal_cove_thermal",
.num_resources = ARRAY_SIZE(thermal_resources),
.resources = thermal_resources,
},
{
.name = "crystal_cove_bcu",
.num_resources = ARRAY_SIZE(bcu_resources),
.resources = bcu_resources,
},
{
.name = "crystal_cove_gpio",
.num_resources = ARRAY_SIZE(gpio_resources),
.resources = gpio_resources,
},
{
.name = "crystal_cove_pmic",
},
{
.name = "crystal_cove_pwm",
},
};
static const struct regmap_config crystal_cove_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
.max_register = CRYSTAL_COVE_MAX_REGISTER,
.cache_type = REGCACHE_NONE,
};
static const struct regmap_irq crystal_cove_irqs[] = {
[CRYSTAL_COVE_IRQ_PWRSRC] = {
.mask = BIT(CRYSTAL_COVE_IRQ_PWRSRC),
},
[CRYSTAL_COVE_IRQ_THRM] = {
.mask = BIT(CRYSTAL_COVE_IRQ_THRM),
},
[CRYSTAL_COVE_IRQ_BCU] = {
.mask = BIT(CRYSTAL_COVE_IRQ_BCU),
},
[CRYSTAL_COVE_IRQ_ADC] = {
.mask = BIT(CRYSTAL_COVE_IRQ_ADC),
},
[CRYSTAL_COVE_IRQ_CHGR] = {
.mask = BIT(CRYSTAL_COVE_IRQ_CHGR),
},
[CRYSTAL_COVE_IRQ_GPIO] = {
.mask = BIT(CRYSTAL_COVE_IRQ_GPIO),
},
[CRYSTAL_COVE_IRQ_VHDMIOCP] = {
.mask = BIT(CRYSTAL_COVE_IRQ_VHDMIOCP),
},
};
static const struct regmap_irq_chip crystal_cove_irq_chip = {
.name = "Crystal Cove",
.irqs = crystal_cove_irqs,
.num_irqs = ARRAY_SIZE(crystal_cove_irqs),
.num_regs = 1,
.status_base = CRYSTAL_COVE_REG_IRQLVL1,
.mask_base = CRYSTAL_COVE_REG_MIRQLVL1,
};
struct intel_soc_pmic_config intel_soc_pmic_config_crc = {
.irq_flags = IRQF_TRIGGER_RISING,
.cell_dev = crystal_cove_dev,
.n_cell_devs = ARRAY_SIZE(crystal_cove_dev),
.regmap_config = &crystal_cove_regmap_config,
.irq_chip = &crystal_cove_irq_chip,
};