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linux/drivers/mfd/da9052-core.c
Mark Brown 55692af5eb mfd: core: Push irqdomain mapping out into devices 
Currently the MFD core supports remapping MFD cell interrupts using an
irqdomain but only if the MFD is being instantiated using device tree
and only if the device tree bindings use the pattern of registering IPs
in the device tree with compatible properties.  This will be actively
harmful for drivers which support non-DT platforms and use this pattern
for their DT bindings as it will mean that the core will silently change
remapping behaviour and it is also limiting for drivers which don't do
DT with this particular pattern.  There is also a potential fragility if
there are interrupts not associated with MFD cells and all the cells are
omitted from the device tree for some reason.

Instead change the code to take an IRQ domain as an optional argument,
allowing drivers to take the decision about the parent domain for their
interrupts.  The one current user of this feature is ab8500-core, it has
the domain lookup pushed out into the driver.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
2012-09-14 09:51:54 +02:00

829 lines
19 KiB
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/*
* Device access for Dialog DA9052 PMICs.
*
* Copyright(c) 2011 Dialog Semiconductor Ltd.
*
* Author: David Dajun Chen <dchen@diasemi.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*/
#include <linux/device.h>
#include <linux/delay.h>
#include <linux/input.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/mfd/core.h>
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/mfd/da9052/da9052.h>
#include <linux/mfd/da9052/pdata.h>
#include <linux/mfd/da9052/reg.h>
#define DA9052_NUM_IRQ_REGS 4
#define DA9052_IRQ_MASK_POS_1 0x01
#define DA9052_IRQ_MASK_POS_2 0x02
#define DA9052_IRQ_MASK_POS_3 0x04
#define DA9052_IRQ_MASK_POS_4 0x08
#define DA9052_IRQ_MASK_POS_5 0x10
#define DA9052_IRQ_MASK_POS_6 0x20
#define DA9052_IRQ_MASK_POS_7 0x40
#define DA9052_IRQ_MASK_POS_8 0x80
static bool da9052_reg_readable(struct device *dev, unsigned int reg)
{
switch (reg) {
case DA9052_PAGE0_CON_REG:
case DA9052_STATUS_A_REG:
case DA9052_STATUS_B_REG:
case DA9052_STATUS_C_REG:
case DA9052_STATUS_D_REG:
case DA9052_EVENT_A_REG:
case DA9052_EVENT_B_REG:
case DA9052_EVENT_C_REG:
case DA9052_EVENT_D_REG:
case DA9052_FAULTLOG_REG:
case DA9052_IRQ_MASK_A_REG:
case DA9052_IRQ_MASK_B_REG:
case DA9052_IRQ_MASK_C_REG:
case DA9052_IRQ_MASK_D_REG:
case DA9052_CONTROL_A_REG:
case DA9052_CONTROL_B_REG:
case DA9052_CONTROL_C_REG:
case DA9052_CONTROL_D_REG:
case DA9052_PDDIS_REG:
case DA9052_INTERFACE_REG:
case DA9052_RESET_REG:
case DA9052_GPIO_0_1_REG:
case DA9052_GPIO_2_3_REG:
case DA9052_GPIO_4_5_REG:
case DA9052_GPIO_6_7_REG:
case DA9052_GPIO_14_15_REG:
case DA9052_ID_0_1_REG:
case DA9052_ID_2_3_REG:
case DA9052_ID_4_5_REG:
case DA9052_ID_6_7_REG:
case DA9052_ID_8_9_REG:
case DA9052_ID_10_11_REG:
case DA9052_ID_12_13_REG:
case DA9052_ID_14_15_REG:
case DA9052_ID_16_17_REG:
case DA9052_ID_18_19_REG:
case DA9052_ID_20_21_REG:
case DA9052_SEQ_STATUS_REG:
case DA9052_SEQ_A_REG:
case DA9052_SEQ_B_REG:
case DA9052_SEQ_TIMER_REG:
case DA9052_BUCKA_REG:
case DA9052_BUCKB_REG:
case DA9052_BUCKCORE_REG:
case DA9052_BUCKPRO_REG:
case DA9052_BUCKMEM_REG:
case DA9052_BUCKPERI_REG:
case DA9052_LDO1_REG:
case DA9052_LDO2_REG:
case DA9052_LDO3_REG:
case DA9052_LDO4_REG:
case DA9052_LDO5_REG:
case DA9052_LDO6_REG:
case DA9052_LDO7_REG:
case DA9052_LDO8_REG:
case DA9052_LDO9_REG:
case DA9052_LDO10_REG:
case DA9052_SUPPLY_REG:
case DA9052_PULLDOWN_REG:
case DA9052_CHGBUCK_REG:
case DA9052_WAITCONT_REG:
case DA9052_ISET_REG:
case DA9052_BATCHG_REG:
case DA9052_CHG_CONT_REG:
case DA9052_INPUT_CONT_REG:
case DA9052_CHG_TIME_REG:
case DA9052_BBAT_CONT_REG:
case DA9052_BOOST_REG:
case DA9052_LED_CONT_REG:
case DA9052_LEDMIN123_REG:
case DA9052_LED1_CONF_REG:
case DA9052_LED2_CONF_REG:
case DA9052_LED3_CONF_REG:
case DA9052_LED1CONT_REG:
case DA9052_LED2CONT_REG:
case DA9052_LED3CONT_REG:
case DA9052_LED_CONT_4_REG:
case DA9052_LED_CONT_5_REG:
case DA9052_ADC_MAN_REG:
case DA9052_ADC_CONT_REG:
case DA9052_ADC_RES_L_REG:
case DA9052_ADC_RES_H_REG:
case DA9052_VDD_RES_REG:
case DA9052_VDD_MON_REG:
case DA9052_ICHG_AV_REG:
case DA9052_ICHG_THD_REG:
case DA9052_ICHG_END_REG:
case DA9052_TBAT_RES_REG:
case DA9052_TBAT_HIGHP_REG:
case DA9052_TBAT_HIGHN_REG:
case DA9052_TBAT_LOW_REG:
case DA9052_T_OFFSET_REG:
case DA9052_ADCIN4_RES_REG:
case DA9052_AUTO4_HIGH_REG:
case DA9052_AUTO4_LOW_REG:
case DA9052_ADCIN5_RES_REG:
case DA9052_AUTO5_HIGH_REG:
case DA9052_AUTO5_LOW_REG:
case DA9052_ADCIN6_RES_REG:
case DA9052_AUTO6_HIGH_REG:
case DA9052_AUTO6_LOW_REG:
case DA9052_TJUNC_RES_REG:
case DA9052_TSI_CONT_A_REG:
case DA9052_TSI_CONT_B_REG:
case DA9052_TSI_X_MSB_REG:
case DA9052_TSI_Y_MSB_REG:
case DA9052_TSI_LSB_REG:
case DA9052_TSI_Z_MSB_REG:
case DA9052_COUNT_S_REG:
case DA9052_COUNT_MI_REG:
case DA9052_COUNT_H_REG:
case DA9052_COUNT_D_REG:
case DA9052_COUNT_MO_REG:
case DA9052_COUNT_Y_REG:
case DA9052_ALARM_MI_REG:
case DA9052_ALARM_H_REG:
case DA9052_ALARM_D_REG:
case DA9052_ALARM_MO_REG:
case DA9052_ALARM_Y_REG:
case DA9052_SECOND_A_REG:
case DA9052_SECOND_B_REG:
case DA9052_SECOND_C_REG:
case DA9052_SECOND_D_REG:
case DA9052_PAGE1_CON_REG:
return true;
default:
return false;
}
}
static bool da9052_reg_writeable(struct device *dev, unsigned int reg)
{
switch (reg) {
case DA9052_PAGE0_CON_REG:
case DA9052_EVENT_A_REG:
case DA9052_EVENT_B_REG:
case DA9052_EVENT_C_REG:
case DA9052_EVENT_D_REG:
case DA9052_IRQ_MASK_A_REG:
case DA9052_IRQ_MASK_B_REG:
case DA9052_IRQ_MASK_C_REG:
case DA9052_IRQ_MASK_D_REG:
case DA9052_CONTROL_A_REG:
case DA9052_CONTROL_B_REG:
case DA9052_CONTROL_C_REG:
case DA9052_CONTROL_D_REG:
case DA9052_PDDIS_REG:
case DA9052_RESET_REG:
case DA9052_GPIO_0_1_REG:
case DA9052_GPIO_2_3_REG:
case DA9052_GPIO_4_5_REG:
case DA9052_GPIO_6_7_REG:
case DA9052_GPIO_14_15_REG:
case DA9052_ID_0_1_REG:
case DA9052_ID_2_3_REG:
case DA9052_ID_4_5_REG:
case DA9052_ID_6_7_REG:
case DA9052_ID_8_9_REG:
case DA9052_ID_10_11_REG:
case DA9052_ID_12_13_REG:
case DA9052_ID_14_15_REG:
case DA9052_ID_16_17_REG:
case DA9052_ID_18_19_REG:
case DA9052_ID_20_21_REG:
case DA9052_SEQ_STATUS_REG:
case DA9052_SEQ_A_REG:
case DA9052_SEQ_B_REG:
case DA9052_SEQ_TIMER_REG:
case DA9052_BUCKA_REG:
case DA9052_BUCKB_REG:
case DA9052_BUCKCORE_REG:
case DA9052_BUCKPRO_REG:
case DA9052_BUCKMEM_REG:
case DA9052_BUCKPERI_REG:
case DA9052_LDO1_REG:
case DA9052_LDO2_REG:
case DA9052_LDO3_REG:
case DA9052_LDO4_REG:
case DA9052_LDO5_REG:
case DA9052_LDO6_REG:
case DA9052_LDO7_REG:
case DA9052_LDO8_REG:
case DA9052_LDO9_REG:
case DA9052_LDO10_REG:
case DA9052_SUPPLY_REG:
case DA9052_PULLDOWN_REG:
case DA9052_CHGBUCK_REG:
case DA9052_WAITCONT_REG:
case DA9052_ISET_REG:
case DA9052_BATCHG_REG:
case DA9052_CHG_CONT_REG:
case DA9052_INPUT_CONT_REG:
case DA9052_BBAT_CONT_REG:
case DA9052_BOOST_REG:
case DA9052_LED_CONT_REG:
case DA9052_LEDMIN123_REG:
case DA9052_LED1_CONF_REG:
case DA9052_LED2_CONF_REG:
case DA9052_LED3_CONF_REG:
case DA9052_LED1CONT_REG:
case DA9052_LED2CONT_REG:
case DA9052_LED3CONT_REG:
case DA9052_LED_CONT_4_REG:
case DA9052_LED_CONT_5_REG:
case DA9052_ADC_MAN_REG:
case DA9052_ADC_CONT_REG:
case DA9052_ADC_RES_L_REG:
case DA9052_ADC_RES_H_REG:
case DA9052_VDD_RES_REG:
case DA9052_VDD_MON_REG:
case DA9052_ICHG_THD_REG:
case DA9052_ICHG_END_REG:
case DA9052_TBAT_HIGHP_REG:
case DA9052_TBAT_HIGHN_REG:
case DA9052_TBAT_LOW_REG:
case DA9052_T_OFFSET_REG:
case DA9052_AUTO4_HIGH_REG:
case DA9052_AUTO4_LOW_REG:
case DA9052_AUTO5_HIGH_REG:
case DA9052_AUTO5_LOW_REG:
case DA9052_AUTO6_HIGH_REG:
case DA9052_AUTO6_LOW_REG:
case DA9052_TSI_CONT_A_REG:
case DA9052_TSI_CONT_B_REG:
case DA9052_COUNT_S_REG:
case DA9052_COUNT_MI_REG:
case DA9052_COUNT_H_REG:
case DA9052_COUNT_D_REG:
case DA9052_COUNT_MO_REG:
case DA9052_COUNT_Y_REG:
case DA9052_ALARM_MI_REG:
case DA9052_ALARM_H_REG:
case DA9052_ALARM_D_REG:
case DA9052_ALARM_MO_REG:
case DA9052_ALARM_Y_REG:
case DA9052_PAGE1_CON_REG:
return true;
default:
return false;
}
}
static bool da9052_reg_volatile(struct device *dev, unsigned int reg)
{
switch (reg) {
case DA9052_STATUS_A_REG:
case DA9052_STATUS_B_REG:
case DA9052_STATUS_C_REG:
case DA9052_STATUS_D_REG:
case DA9052_EVENT_A_REG:
case DA9052_EVENT_B_REG:
case DA9052_EVENT_C_REG:
case DA9052_EVENT_D_REG:
case DA9052_FAULTLOG_REG:
case DA9052_CHG_TIME_REG:
case DA9052_ADC_RES_L_REG:
case DA9052_ADC_RES_H_REG:
case DA9052_VDD_RES_REG:
case DA9052_ICHG_AV_REG:
case DA9052_TBAT_RES_REG:
case DA9052_ADCIN4_RES_REG:
case DA9052_ADCIN5_RES_REG:
case DA9052_ADCIN6_RES_REG:
case DA9052_TJUNC_RES_REG:
case DA9052_TSI_X_MSB_REG:
case DA9052_TSI_Y_MSB_REG:
case DA9052_TSI_LSB_REG:
case DA9052_TSI_Z_MSB_REG:
case DA9052_COUNT_S_REG:
case DA9052_COUNT_MI_REG:
case DA9052_COUNT_H_REG:
case DA9052_COUNT_D_REG:
case DA9052_COUNT_MO_REG:
case DA9052_COUNT_Y_REG:
case DA9052_ALARM_MI_REG:
return true;
default:
return false;
}
}
/*
* TBAT look-up table is computed from the R90 reg (8 bit register)
* reading as below. The battery temperature is in milliCentigrade
* TBAT = (1/(t1+1/298) - 273) * 1000 mC
* where t1 = (1/B)* ln(( ADCval * 2.5)/(R25*ITBAT*255))
* Default values are R25 = 10e3, B = 3380, ITBAT = 50e-6
* Example:
* R25=10E3, B=3380, ITBAT=50e-6, ADCVAL=62d calculates
* TBAT = 20015 mili degrees Centrigrade
*
*/
static const int32_t tbat_lookup[255] = {
183258, 144221, 124334, 111336, 101826, 94397, 88343, 83257,
78889, 75071, 71688, 68656, 65914, 63414, 61120, 59001,
570366, 55204, 53490, 51881, 50364, 48931, 47574, 46285,
45059, 43889, 42772, 41703, 40678, 39694, 38748, 37838,
36961, 36115, 35297, 34507, 33743, 33002, 32284, 31588,
30911, 30254, 29615, 28994, 28389, 27799, 27225, 26664,
26117, 25584, 25062, 24553, 24054, 23567, 23091, 22624,
22167, 21719, 21281, 20851, 20429, 20015, 19610, 19211,
18820, 18436, 18058, 17688, 17323, 16965, 16612, 16266,
15925, 15589, 15259, 14933, 14613, 14298, 13987, 13681,
13379, 13082, 12788, 12499, 12214, 11933, 11655, 11382,
11112, 10845, 10582, 10322, 10066, 9812, 9562, 9315,
9071, 8830, 8591, 8356, 8123, 7893, 7665, 7440,
7218, 6998, 6780, 6565, 6352, 6141, 5933, 5726,
5522, 5320, 5120, 4922, 4726, 4532, 4340, 4149,
3961, 3774, 3589, 3406, 3225, 3045, 2867, 2690,
2516, 2342, 2170, 2000, 1831, 1664, 1498, 1334,
1171, 1009, 849, 690, 532, 376, 221, 67,
-84, -236, -386, -535, -683, -830, -975, -1119,
-1263, -1405, -1546, -1686, -1825, -1964, -2101, -2237,
-2372, -2506, -2639, -2771, -2902, -3033, -3162, -3291,
-3418, -3545, -3671, -3796, -3920, -4044, -4166, -4288,
-4409, -4529, -4649, -4767, -4885, -5002, -5119, -5235,
-5349, -5464, -5577, -5690, -5802, -5913, -6024, -6134,
-6244, -6352, -6461, -6568, -6675, -6781, -6887, -6992,
-7096, -7200, -7303, -7406, -7508, -7609, -7710, -7810,
-7910, -8009, -8108, -8206, -8304, -8401, -8497, -8593,
-8689, -8784, -8878, -8972, -9066, -9159, -9251, -9343,
-9435, -9526, -9617, -9707, -9796, -9886, -9975, -10063,
-10151, -10238, -10325, -10412, -10839, -10923, -11007, -11090,
-11173, -11256, -11338, -11420, -11501, -11583, -11663, -11744,
-11823, -11903, -11982
};
static const u8 chan_mux[DA9052_ADC_VBBAT + 1] = {
[DA9052_ADC_VDDOUT] = DA9052_ADC_MAN_MUXSEL_VDDOUT,
[DA9052_ADC_ICH] = DA9052_ADC_MAN_MUXSEL_ICH,
[DA9052_ADC_TBAT] = DA9052_ADC_MAN_MUXSEL_TBAT,
[DA9052_ADC_VBAT] = DA9052_ADC_MAN_MUXSEL_VBAT,
[DA9052_ADC_IN4] = DA9052_ADC_MAN_MUXSEL_AD4,
[DA9052_ADC_IN5] = DA9052_ADC_MAN_MUXSEL_AD5,
[DA9052_ADC_IN6] = DA9052_ADC_MAN_MUXSEL_AD6,
[DA9052_ADC_VBBAT] = DA9052_ADC_MAN_MUXSEL_VBBAT
};
int da9052_adc_manual_read(struct da9052 *da9052, unsigned char channel)
{
int ret;
unsigned short calc_data;
unsigned short data;
unsigned char mux_sel;
if (channel > DA9052_ADC_VBBAT)
return -EINVAL;
mutex_lock(&da9052->auxadc_lock);
/* Channel gets activated on enabling the Conversion bit */
mux_sel = chan_mux[channel] | DA9052_ADC_MAN_MAN_CONV;
ret = da9052_reg_write(da9052, DA9052_ADC_MAN_REG, mux_sel);
if (ret < 0)
goto err;
/* Wait for an interrupt */
if (!wait_for_completion_timeout(&da9052->done,
msecs_to_jiffies(500))) {
dev_err(da9052->dev,
"timeout waiting for ADC conversion interrupt\n");
ret = -ETIMEDOUT;
goto err;
}
ret = da9052_reg_read(da9052, DA9052_ADC_RES_H_REG);
if (ret < 0)
goto err;
calc_data = (unsigned short)ret;
data = calc_data << 2;
ret = da9052_reg_read(da9052, DA9052_ADC_RES_L_REG);
if (ret < 0)
goto err;
calc_data = (unsigned short)(ret & DA9052_ADC_RES_LSB);
data |= calc_data;
ret = data;
err:
mutex_unlock(&da9052->auxadc_lock);
return ret;
}
EXPORT_SYMBOL_GPL(da9052_adc_manual_read);
static irqreturn_t da9052_auxadc_irq(int irq, void *irq_data)
{
struct da9052 *da9052 = irq_data;
complete(&da9052->done);
return IRQ_HANDLED;
}
int da9052_adc_read_temp(struct da9052 *da9052)
{
int tbat;
tbat = da9052_reg_read(da9052, DA9052_TBAT_RES_REG);
if (tbat <= 0)
return tbat;
/* ARRAY_SIZE check is not needed since TBAT is a 8-bit register */
return tbat_lookup[tbat - 1];
}
EXPORT_SYMBOL_GPL(da9052_adc_read_temp);
static struct resource da9052_rtc_resource = {
.name = "ALM",
.start = DA9052_IRQ_ALARM,
.end = DA9052_IRQ_ALARM,
.flags = IORESOURCE_IRQ,
};
static struct resource da9052_onkey_resource = {
.name = "ONKEY",
.start = DA9052_IRQ_NONKEY,
.end = DA9052_IRQ_NONKEY,
.flags = IORESOURCE_IRQ,
};
static struct resource da9052_bat_resources[] = {
{
.name = "BATT TEMP",
.start = DA9052_IRQ_TBAT,
.end = DA9052_IRQ_TBAT,
.flags = IORESOURCE_IRQ,
},
{
.name = "DCIN DET",
.start = DA9052_IRQ_DCIN,
.end = DA9052_IRQ_DCIN,
.flags = IORESOURCE_IRQ,
},
{
.name = "DCIN REM",
.start = DA9052_IRQ_DCINREM,
.end = DA9052_IRQ_DCINREM,
.flags = IORESOURCE_IRQ,
},
{
.name = "VBUS DET",
.start = DA9052_IRQ_VBUS,
.end = DA9052_IRQ_VBUS,
.flags = IORESOURCE_IRQ,
},
{
.name = "VBUS REM",
.start = DA9052_IRQ_VBUSREM,
.end = DA9052_IRQ_VBUSREM,
.flags = IORESOURCE_IRQ,
},
{
.name = "CHG END",
.start = DA9052_IRQ_CHGEND,
.end = DA9052_IRQ_CHGEND,
.flags = IORESOURCE_IRQ,
},
};
static struct resource da9052_tsi_resources[] = {
{
.name = "PENDWN",
.start = DA9052_IRQ_PENDOWN,
.end = DA9052_IRQ_PENDOWN,
.flags = IORESOURCE_IRQ,
},
{
.name = "TSIRDY",
.start = DA9052_IRQ_TSIREADY,
.end = DA9052_IRQ_TSIREADY,
.flags = IORESOURCE_IRQ,
},
};
static struct mfd_cell __devinitdata da9052_subdev_info[] = {
{
.name = "da9052-regulator",
.id = 1,
},
{
.name = "da9052-regulator",
.id = 2,
},
{
.name = "da9052-regulator",
.id = 3,
},
{
.name = "da9052-regulator",
.id = 4,
},
{
.name = "da9052-regulator",
.id = 5,
},
{
.name = "da9052-regulator",
.id = 6,
},
{
.name = "da9052-regulator",
.id = 7,
},
{
.name = "da9052-regulator",
.id = 8,
},
{
.name = "da9052-regulator",
.id = 9,
},
{
.name = "da9052-regulator",
.id = 10,
},
{
.name = "da9052-regulator",
.id = 11,
},
{
.name = "da9052-regulator",
.id = 12,
},
{
.name = "da9052-regulator",
.id = 13,
},
{
.name = "da9052-regulator",
.id = 14,
},
{
.name = "da9052-onkey",
.resources = &da9052_onkey_resource,
.num_resources = 1,
},
{
.name = "da9052-rtc",
.resources = &da9052_rtc_resource,
.num_resources = 1,
},
{
.name = "da9052-gpio",
},
{
.name = "da9052-hwmon",
},
{
.name = "da9052-leds",
},
{
.name = "da9052-wled1",
},
{
.name = "da9052-wled2",
},
{
.name = "da9052-wled3",
},
{
.name = "da9052-tsi",
.resources = da9052_tsi_resources,
.num_resources = ARRAY_SIZE(da9052_tsi_resources),
},
{
.name = "da9052-bat",
.resources = da9052_bat_resources,
.num_resources = ARRAY_SIZE(da9052_bat_resources),
},
{
.name = "da9052-watchdog",
},
};
static struct regmap_irq da9052_irqs[] = {
[DA9052_IRQ_DCIN] = {
.reg_offset = 0,
.mask = DA9052_IRQ_MASK_POS_1,
},
[DA9052_IRQ_VBUS] = {
.reg_offset = 0,
.mask = DA9052_IRQ_MASK_POS_2,
},
[DA9052_IRQ_DCINREM] = {
.reg_offset = 0,
.mask = DA9052_IRQ_MASK_POS_3,
},
[DA9052_IRQ_VBUSREM] = {
.reg_offset = 0,
.mask = DA9052_IRQ_MASK_POS_4,
},
[DA9052_IRQ_VDDLOW] = {
.reg_offset = 0,
.mask = DA9052_IRQ_MASK_POS_5,
},
[DA9052_IRQ_ALARM] = {
.reg_offset = 0,
.mask = DA9052_IRQ_MASK_POS_6,
},
[DA9052_IRQ_SEQRDY] = {
.reg_offset = 0,
.mask = DA9052_IRQ_MASK_POS_7,
},
[DA9052_IRQ_COMP1V2] = {
.reg_offset = 0,
.mask = DA9052_IRQ_MASK_POS_8,
},
[DA9052_IRQ_NONKEY] = {
.reg_offset = 1,
.mask = DA9052_IRQ_MASK_POS_1,
},
[DA9052_IRQ_IDFLOAT] = {
.reg_offset = 1,
.mask = DA9052_IRQ_MASK_POS_2,
},
[DA9052_IRQ_IDGND] = {
.reg_offset = 1,
.mask = DA9052_IRQ_MASK_POS_3,
},
[DA9052_IRQ_CHGEND] = {
.reg_offset = 1,
.mask = DA9052_IRQ_MASK_POS_4,
},
[DA9052_IRQ_TBAT] = {
.reg_offset = 1,
.mask = DA9052_IRQ_MASK_POS_5,
},
[DA9052_IRQ_ADC_EOM] = {
.reg_offset = 1,
.mask = DA9052_IRQ_MASK_POS_6,
},
[DA9052_IRQ_PENDOWN] = {
.reg_offset = 1,
.mask = DA9052_IRQ_MASK_POS_7,
},
[DA9052_IRQ_TSIREADY] = {
.reg_offset = 1,
.mask = DA9052_IRQ_MASK_POS_8,
},
[DA9052_IRQ_GPI0] = {
.reg_offset = 2,
.mask = DA9052_IRQ_MASK_POS_1,
},
[DA9052_IRQ_GPI1] = {
.reg_offset = 2,
.mask = DA9052_IRQ_MASK_POS_2,
},
[DA9052_IRQ_GPI2] = {
.reg_offset = 2,
.mask = DA9052_IRQ_MASK_POS_3,
},
[DA9052_IRQ_GPI3] = {
.reg_offset = 2,
.mask = DA9052_IRQ_MASK_POS_4,
},
[DA9052_IRQ_GPI4] = {
.reg_offset = 2,
.mask = DA9052_IRQ_MASK_POS_5,
},
[DA9052_IRQ_GPI5] = {
.reg_offset = 2,
.mask = DA9052_IRQ_MASK_POS_6,
},
[DA9052_IRQ_GPI6] = {
.reg_offset = 2,
.mask = DA9052_IRQ_MASK_POS_7,
},
[DA9052_IRQ_GPI7] = {
.reg_offset = 2,
.mask = DA9052_IRQ_MASK_POS_8,
},
[DA9052_IRQ_GPI8] = {
.reg_offset = 3,
.mask = DA9052_IRQ_MASK_POS_1,
},
[DA9052_IRQ_GPI9] = {
.reg_offset = 3,
.mask = DA9052_IRQ_MASK_POS_2,
},
[DA9052_IRQ_GPI10] = {
.reg_offset = 3,
.mask = DA9052_IRQ_MASK_POS_3,
},
[DA9052_IRQ_GPI11] = {
.reg_offset = 3,
.mask = DA9052_IRQ_MASK_POS_4,
},
[DA9052_IRQ_GPI12] = {
.reg_offset = 3,
.mask = DA9052_IRQ_MASK_POS_5,
},
[DA9052_IRQ_GPI13] = {
.reg_offset = 3,
.mask = DA9052_IRQ_MASK_POS_6,
},
[DA9052_IRQ_GPI14] = {
.reg_offset = 3,
.mask = DA9052_IRQ_MASK_POS_7,
},
[DA9052_IRQ_GPI15] = {
.reg_offset = 3,
.mask = DA9052_IRQ_MASK_POS_8,
},
};
static struct regmap_irq_chip da9052_regmap_irq_chip = {
.name = "da9052_irq",
.status_base = DA9052_EVENT_A_REG,
.mask_base = DA9052_IRQ_MASK_A_REG,
.ack_base = DA9052_EVENT_A_REG,
.num_regs = DA9052_NUM_IRQ_REGS,
.irqs = da9052_irqs,
.num_irqs = ARRAY_SIZE(da9052_irqs),
};
struct regmap_config da9052_regmap_config = {
.reg_bits = 8,
.val_bits = 8,
.cache_type = REGCACHE_RBTREE,
.max_register = DA9052_PAGE1_CON_REG,
.readable_reg = da9052_reg_readable,
.writeable_reg = da9052_reg_writeable,
.volatile_reg = da9052_reg_volatile,
};
EXPORT_SYMBOL_GPL(da9052_regmap_config);
int __devinit da9052_device_init(struct da9052 *da9052, u8 chip_id)
{
struct da9052_pdata *pdata = da9052->dev->platform_data;
int ret;
mutex_init(&da9052->auxadc_lock);
init_completion(&da9052->done);
if (pdata && pdata->init != NULL)
pdata->init(da9052);
da9052->chip_id = chip_id;
if (!pdata || !pdata->irq_base)
da9052->irq_base = -1;
else
da9052->irq_base = pdata->irq_base;
ret = regmap_add_irq_chip(da9052->regmap, da9052->chip_irq,
IRQF_TRIGGER_LOW | IRQF_ONESHOT,
da9052->irq_base, &da9052_regmap_irq_chip,
&da9052->irq_data);
if (ret < 0)
goto regmap_err;
da9052->irq_base = regmap_irq_chip_get_base(da9052->irq_data);
ret = request_threaded_irq(DA9052_IRQ_ADC_EOM, NULL, da9052_auxadc_irq,
IRQF_TRIGGER_LOW | IRQF_ONESHOT,
"adc irq", da9052);
if (ret != 0)
dev_err(da9052->dev, "DA9052 ADC IRQ failed ret=%d\n", ret);
ret = mfd_add_devices(da9052->dev, -1, da9052_subdev_info,
ARRAY_SIZE(da9052_subdev_info), NULL, 0, NULL);
if (ret)
goto err;
return 0;
err:
free_irq(DA9052_IRQ_ADC_EOM, da9052);
mfd_remove_devices(da9052->dev);
regmap_err:
return ret;
}
void da9052_device_exit(struct da9052 *da9052)
{
free_irq(DA9052_IRQ_ADC_EOM, da9052);
regmap_del_irq_chip(da9052->chip_irq, da9052->irq_data);
mfd_remove_devices(da9052->dev);
}
MODULE_AUTHOR("David Dajun Chen <dchen@diasemi.com>");
MODULE_DESCRIPTION("DA9052 MFD Core");
MODULE_LICENSE("GPL");
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