arch/arm/mach-msm/board-8930-pmic.c

/* Copyright (c) 2011, Code Aurora Forum. 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 and
 * only 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.
 *
 */

#include <linux/interrupt.h>
#include <linux/mfd/pm8xxx/pm8921.h>
#include <linux/mfd/pm8xxx/pm8xxx-adc.h>
#include <linux/leds.h>
#include <linux/leds-pm8xxx.h>
#include <linux/msm_ssbi.h>
#include <asm/mach-types.h>
#include <mach/msm_bus_board.h>
#include <mach/restart.h>
#include "devices.h"
#include "board-8930.h"

struct pm8xxx_gpio_init {
	unsigned			gpio;
	struct pm_gpio			config;
};

struct pm8xxx_mpp_init {
	unsigned			mpp;
	struct pm8xxx_mpp_config_data	config;
};

#define PM8XXX_GPIO_INIT(_gpio, _dir, _buf, _val, _pull, _vin, _out_strength, \
			_func, _inv, _disable) \
{ \
	.gpio	= PM8921_GPIO_PM_TO_SYS(_gpio), \
	.config	= { \
		.direction	= _dir, \
		.output_buffer	= _buf, \
		.output_value	= _val, \
		.pull		= _pull, \
		.vin_sel	= _vin, \
		.out_strength	= _out_strength, \
		.function	= _func, \
		.inv_int_pol	= _inv, \
		.disable_pin	= _disable, \
	} \
}

#define PM8XXX_MPP_INIT(_mpp, _type, _level, _control) \
{ \
	.mpp	= PM8921_MPP_PM_TO_SYS(_mpp), \
	.config	= { \
		.type		= PM8XXX_MPP_TYPE_##_type, \
		.level		= _level, \
		.control	= PM8XXX_MPP_##_control, \
	} \
}

#define PM8XXX_GPIO_DISABLE(_gpio) \
	PM8XXX_GPIO_INIT(_gpio, PM_GPIO_DIR_IN, 0, 0, 0, PM_GPIO_VIN_S4, \
			 0, 0, 0, 1)

#define PM8XXX_GPIO_OUTPUT(_gpio, _val) \
	PM8XXX_GPIO_INIT(_gpio, PM_GPIO_DIR_OUT, PM_GPIO_OUT_BUF_CMOS, _val, \
			PM_GPIO_PULL_NO, PM_GPIO_VIN_S4, \
			PM_GPIO_STRENGTH_HIGH, \
			PM_GPIO_FUNC_NORMAL, 0, 0)

#define PM8XXX_GPIO_INPUT(_gpio, _pull) \
	PM8XXX_GPIO_INIT(_gpio, PM_GPIO_DIR_IN, PM_GPIO_OUT_BUF_CMOS, 0, \
			_pull, PM_GPIO_VIN_S4, \
			PM_GPIO_STRENGTH_NO, \
			PM_GPIO_FUNC_NORMAL, 0, 0)

#define PM8XXX_GPIO_OUTPUT_FUNC(_gpio, _val, _func) \
	PM8XXX_GPIO_INIT(_gpio, PM_GPIO_DIR_OUT, PM_GPIO_OUT_BUF_CMOS, _val, \
			PM_GPIO_PULL_NO, PM_GPIO_VIN_S4, \
			PM_GPIO_STRENGTH_HIGH, \
			_func, 0, 0)

#define PM8XXX_GPIO_OUTPUT_VIN(_gpio, _val, _vin) \
	PM8XXX_GPIO_INIT(_gpio, PM_GPIO_DIR_OUT, PM_GPIO_OUT_BUF_CMOS, _val, \
			PM_GPIO_PULL_NO, _vin, \
			PM_GPIO_STRENGTH_HIGH, \
			PM_GPIO_FUNC_NORMAL, 0, 0)

/* Initial PM8921 GPIO configurations */
static struct pm8xxx_gpio_init pm8921_gpios[] __initdata = {
	PM8XXX_GPIO_DISABLE(6),				 /* Disable unused */
	PM8XXX_GPIO_DISABLE(7),				 /* Disable NFC */
	PM8XXX_GPIO_INPUT(16,	    PM_GPIO_PULL_UP_30), /* SD_CARD_WP */
    /* External regulator shared by display and touchscreen on LiQUID */
	PM8XXX_GPIO_OUTPUT(17,	    0),			 /* DISP 3.3 V Boost */
	PM8XXX_GPIO_OUTPUT_VIN(21, 1, PM_GPIO_VIN_VPH),	 /* Backlight Enable */
	PM8XXX_GPIO_DISABLE(22),			 /* Disable NFC */
	PM8XXX_GPIO_OUTPUT_FUNC(24, 0, PM_GPIO_FUNC_2),	 /* Bl: Off, PWM mode */
	PM8XXX_GPIO_INPUT(26,	    PM_GPIO_PULL_UP_30), /* SD_CARD_DET_N */
	PM8XXX_GPIO_OUTPUT(43,	    PM_GPIO_PULL_UP_30), /* DISP_RESET_N */
	PM8XXX_GPIO_OUTPUT(42, 0),                      /* USB 5V reg enable */
};

/* Initial PM8921 MPP configurations */
static struct pm8xxx_mpp_init pm8921_mpps[] __initdata = {
	/* External 5V regulator enable; shared by HDMI and USB_OTG switches. */
	PM8XXX_MPP_INIT(7, D_INPUT, PM8921_MPP_DIG_LEVEL_VPH, DIN_TO_INT),
	PM8XXX_MPP_INIT(PM8XXX_AMUX_MPP_8, A_INPUT, PM8XXX_MPP_AIN_AMUX_CH8,
								DOUT_CTRL_LOW),
};

void __init msm8930_pm8921_gpio_mpp_init(void)
{
	int i, rc;

	for (i = 0; i < ARRAY_SIZE(pm8921_gpios); i++) {
		rc = pm8xxx_gpio_config(pm8921_gpios[i].gpio,
					&pm8921_gpios[i].config);
		if (rc) {
			pr_err("%s: pm8xxx_gpio_config: rc=%d\n", __func__, rc);
			break;
		}
	}

	for (i = 0; i < ARRAY_SIZE(pm8921_mpps); i++) {
		rc = pm8xxx_mpp_config(pm8921_mpps[i].mpp,
					&pm8921_mpps[i].config);
		if (rc) {
			pr_err("%s: pm8xxx_mpp_config: rc=%d\n", __func__, rc);
			break;
		}
	}
}

static struct pm8xxx_adc_amux pm8xxx_adc_channels_data[] = {
	{"vcoin", CHANNEL_VCOIN, CHAN_PATH_SCALING2, AMUX_RSV1,
		ADC_DECIMATION_TYPE2, ADC_SCALE_DEFAULT},
	{"vbat", CHANNEL_VBAT, CHAN_PATH_SCALING2, AMUX_RSV1,
		ADC_DECIMATION_TYPE2, ADC_SCALE_DEFAULT},
	{"dcin", CHANNEL_DCIN, CHAN_PATH_SCALING4, AMUX_RSV1,
		ADC_DECIMATION_TYPE2, ADC_SCALE_DEFAULT},
	{"ichg", CHANNEL_ICHG, CHAN_PATH_SCALING1, AMUX_RSV1,
		ADC_DECIMATION_TYPE2, ADC_SCALE_DEFAULT},
	{"vph_pwr", CHANNEL_VPH_PWR, CHAN_PATH_SCALING2, AMUX_RSV1,
		ADC_DECIMATION_TYPE2, ADC_SCALE_DEFAULT},
	{"ibat", CHANNEL_IBAT, CHAN_PATH_SCALING1, AMUX_RSV1,
		ADC_DECIMATION_TYPE2, ADC_SCALE_DEFAULT},
	{"batt_therm", CHANNEL_BATT_THERM, CHAN_PATH_SCALING1, AMUX_RSV2,
		ADC_DECIMATION_TYPE2, ADC_SCALE_BATT_THERM},
	{"batt_id", CHANNEL_BATT_ID, CHAN_PATH_SCALING1, AMUX_RSV1,
		ADC_DECIMATION_TYPE2, ADC_SCALE_DEFAULT},
	{"usbin", CHANNEL_USBIN, CHAN_PATH_SCALING3, AMUX_RSV1,
		ADC_DECIMATION_TYPE2, ADC_SCALE_DEFAULT},
	{"pmic_therm", CHANNEL_DIE_TEMP, CHAN_PATH_SCALING1, AMUX_RSV1,
		ADC_DECIMATION_TYPE2, ADC_SCALE_PMIC_THERM},
	{"625mv", CHANNEL_625MV, CHAN_PATH_SCALING1, AMUX_RSV1,
		ADC_DECIMATION_TYPE2, ADC_SCALE_DEFAULT},
	{"125v", CHANNEL_125V, CHAN_PATH_SCALING1, AMUX_RSV1,
		ADC_DECIMATION_TYPE2, ADC_SCALE_DEFAULT},
	{"chg_temp", CHANNEL_CHG_TEMP, CHAN_PATH_SCALING1, AMUX_RSV1,
		ADC_DECIMATION_TYPE2, ADC_SCALE_DEFAULT},
	{"pa_therm1", ADC_MPP_1_AMUX8, CHAN_PATH_SCALING1, AMUX_RSV1,
		ADC_DECIMATION_TYPE2, ADC_SCALE_PA_THERM},
	{"xo_therm", CHANNEL_MUXOFF, CHAN_PATH_SCALING1, AMUX_RSV0,
		ADC_DECIMATION_TYPE2, ADC_SCALE_XOTHERM},
	{"pa_therm0", ADC_MPP_1_AMUX3, CHAN_PATH_SCALING1, AMUX_RSV1,
		ADC_DECIMATION_TYPE2, ADC_SCALE_PA_THERM},
};

static struct pm8xxx_adc_properties pm8xxx_adc_data = {
	.adc_vdd_reference	= 1800, /* milli-voltage for this adc */
	.bitresolution		= 15,
	.bipolar                = 0,
};

static struct pm8xxx_adc_platform_data pm8xxx_adc_pdata = {
	.adc_channel            = pm8xxx_adc_channels_data,
	.adc_num_board_channel  = ARRAY_SIZE(pm8xxx_adc_channels_data),
	.adc_prop               = &pm8xxx_adc_data,
	.adc_mpp_base		= PM8921_MPP_PM_TO_SYS(1),
};


static struct pm8xxx_irq_platform_data pm8xxx_irq_pdata __devinitdata = {
	.irq_base		= PM8921_IRQ_BASE,
	.devirq			= MSM_GPIO_TO_INT(104),
	.irq_trigger_flag	= IRQF_TRIGGER_LOW,
};

static struct pm8xxx_gpio_platform_data pm8xxx_gpio_pdata __devinitdata = {
	.gpio_base	= PM8921_GPIO_PM_TO_SYS(1),
};

static struct pm8xxx_mpp_platform_data pm8xxx_mpp_pdata __devinitdata = {
	.mpp_base	= PM8921_MPP_PM_TO_SYS(1),
};

static struct pm8xxx_rtc_platform_data pm8xxx_rtc_pdata __devinitdata = {
	.rtc_write_enable       = false,
	.rtc_alarm_powerup	= false,
};

static struct pm8xxx_pwrkey_platform_data pm8xxx_pwrkey_pdata = {
	.pull_up		= 1,
	.kpd_trigger_delay_us	= 970,
	.wakeup			= 1,
};

/* Rotate lock key is not available so use F1 */
#define KEY_ROTATE_LOCK KEY_F1

static const unsigned int keymap_liquid[] = {
	KEY(0, 0, KEY_VOLUMEUP),
	KEY(0, 1, KEY_VOLUMEDOWN),
	KEY(1, 3, KEY_ROTATE_LOCK),
	KEY(1, 4, KEY_HOME),
};

static const unsigned int keymap[] = {
	KEY(0, 0, KEY_VOLUMEUP),
	KEY(0, 1, KEY_VOLUMEDOWN),
	KEY(0, 2, KEY_CAMERA_SNAPSHOT),
	KEY(0, 3, KEY_CAMERA_FOCUS),
};

static struct matrix_keymap_data keymap_data = {
	.keymap_size    = ARRAY_SIZE(keymap),
	.keymap         = keymap,
};

static struct pm8xxx_keypad_platform_data keypad_data = {
	.input_name             = "keypad_8960",
	.input_phys_device      = "keypad_8960/input0",
	.num_rows               = 1,
	.num_cols               = 5,
	.rows_gpio_start	= PM8921_GPIO_PM_TO_SYS(9),
	.cols_gpio_start	= PM8921_GPIO_PM_TO_SYS(1),
	.debounce_ms            = 15,
	.scan_delay_ms          = 32,
	.row_hold_ns            = 91500,
	.wakeup                 = 1,
	.keymap_data            = &keymap_data,
};

static const unsigned int keymap_sim[] = {
	KEY(0, 0, KEY_7),
	KEY(0, 1, KEY_DOWN),
	KEY(0, 2, KEY_UP),
	KEY(0, 3, KEY_RIGHT),
	KEY(0, 4, KEY_ENTER),
	KEY(0, 5, KEY_L),
	KEY(0, 6, KEY_BACK),
	KEY(0, 7, KEY_M),

	KEY(1, 0, KEY_LEFT),
	KEY(1, 1, KEY_SEND),
	KEY(1, 2, KEY_1),
	KEY(1, 3, KEY_4),
	KEY(1, 4, KEY_CLEAR),
	KEY(1, 5, KEY_MSDOS),
	KEY(1, 6, KEY_SPACE),
	KEY(1, 7, KEY_COMMA),

	KEY(2, 0, KEY_6),
	KEY(2, 1, KEY_5),
	KEY(2, 2, KEY_8),
	KEY(2, 3, KEY_3),
	KEY(2, 4, KEY_NUMERIC_STAR),
	KEY(2, 5, KEY_UP),
	KEY(2, 6, KEY_DOWN),
	KEY(2, 7, KEY_LEFTSHIFT),

	KEY(3, 0, KEY_9),
	KEY(3, 1, KEY_NUMERIC_POUND),
	KEY(3, 2, KEY_0),
	KEY(3, 3, KEY_2),
	KEY(3, 4, KEY_SLEEP),
	KEY(3, 5, KEY_F1),
	KEY(3, 6, KEY_F2),
	KEY(3, 7, KEY_F3),

	KEY(4, 0, KEY_BACK),
	KEY(4, 1, KEY_HOME),
	KEY(4, 2, KEY_MENU),
	KEY(4, 3, KEY_VOLUMEUP),
	KEY(4, 4, KEY_VOLUMEDOWN),
	KEY(4, 5, KEY_F4),
	KEY(4, 6, KEY_F5),
	KEY(4, 7, KEY_F6),

	KEY(5, 0, KEY_R),
	KEY(5, 1, KEY_T),
	KEY(5, 2, KEY_Y),
	KEY(5, 3, KEY_LEFTALT),
	KEY(5, 4, KEY_KPENTER),
	KEY(5, 5, KEY_Q),
	KEY(5, 6, KEY_W),
	KEY(5, 7, KEY_E),

	KEY(6, 0, KEY_F),
	KEY(6, 1, KEY_G),
	KEY(6, 2, KEY_H),
	KEY(6, 3, KEY_CAPSLOCK),
	KEY(6, 4, KEY_PAGEUP),
	KEY(6, 5, KEY_A),
	KEY(6, 6, KEY_S),
	KEY(6, 7, KEY_D),

	KEY(7, 0, KEY_V),
	KEY(7, 1, KEY_B),
	KEY(7, 2, KEY_N),
	KEY(7, 3, KEY_MENU),
	KEY(7, 4, KEY_PAGEDOWN),
	KEY(7, 5, KEY_Z),
	KEY(7, 6, KEY_X),
	KEY(7, 7, KEY_C),

	KEY(8, 0, KEY_P),
	KEY(8, 1, KEY_J),
	KEY(8, 2, KEY_K),
	KEY(8, 3, KEY_INSERT),
	KEY(8, 4, KEY_LINEFEED),
	KEY(8, 5, KEY_U),
	KEY(8, 6, KEY_I),
	KEY(8, 7, KEY_O),

	KEY(9, 0, KEY_4),
	KEY(9, 1, KEY_5),
	KEY(9, 2, KEY_6),
	KEY(9, 3, KEY_7),
	KEY(9, 4, KEY_8),
	KEY(9, 5, KEY_1),
	KEY(9, 6, KEY_2),
	KEY(9, 7, KEY_3),

	KEY(10, 0, KEY_F7),
	KEY(10, 1, KEY_F8),
	KEY(10, 2, KEY_F9),
	KEY(10, 3, KEY_F10),
	KEY(10, 4, KEY_FN),
	KEY(10, 5, KEY_9),
	KEY(10, 6, KEY_0),
	KEY(10, 7, KEY_DOT),

	KEY(11, 0, KEY_LEFTCTRL),
	KEY(11, 1, KEY_F11),
	KEY(11, 2, KEY_ENTER),
	KEY(11, 3, KEY_SEARCH),
	KEY(11, 4, KEY_DELETE),
	KEY(11, 5, KEY_RIGHT),
	KEY(11, 6, KEY_LEFT),
	KEY(11, 7, KEY_RIGHTSHIFT),
	KEY(0, 0, KEY_VOLUMEUP),
	KEY(0, 1, KEY_VOLUMEDOWN),
	KEY(0, 2, KEY_CAMERA_SNAPSHOT),
	KEY(0, 3, KEY_CAMERA_FOCUS),
};

static int pm8921_therm_mitigation[] = {
	1100,
	700,
	600,
	325,
};

static struct pm8921_charger_platform_data pm8921_chg_pdata __devinitdata = {
	.safety_time		= 180,
	.update_time		= 60000,
	.max_voltage		= 4200,
	.min_voltage		= 3200,
	.resume_voltage_delta	= 100,
	.term_current		= 100,
	.cool_temp		= 10,
	.warm_temp		= 40,
	.temp_check_period	= 1,
	.max_bat_chg_current	= 1100,
	.cool_bat_chg_current	= 350,
	.warm_bat_chg_current	= 350,
	.cool_bat_voltage	= 4100,
	.warm_bat_voltage	= 4100,
	.thermal_mitigation	= pm8921_therm_mitigation,
	.thermal_levels		= ARRAY_SIZE(pm8921_therm_mitigation),
};

static struct pm8xxx_misc_platform_data pm8xxx_misc_pdata = {
	.priority		= 0,
};

static struct pm8921_bms_platform_data pm8921_bms_pdata __devinitdata = {
	.r_sense		= 10,
	.i_test			= 2500,
	.v_failure		= 3000,
	.calib_delay_ms		= 600000,
};

#define	PM8921_LC_LED_MAX_CURRENT	4	/* I = 4mA */
#define PM8XXX_LED_PWM_PERIOD		1000
#define PM8XXX_LED_PWM_DUTY_MS		20
/**
 * PM8XXX_PWM_CHANNEL_NONE shall be used when LED shall not be
 * driven using PWM feature.
 */
#define PM8XXX_PWM_CHANNEL_NONE		-1

static struct led_info pm8921_led_info[] = {
	[0] = {
		.name			= "led:battery_charging",
		.default_trigger	= "battery-charging",
	},
	[1] = {
		.name			= "led:battery_full",
		.default_trigger	= "battery-full",
	},
};

static struct led_platform_data pm8921_led_core_pdata = {
	.num_leds = ARRAY_SIZE(pm8921_led_info),
	.leds = pm8921_led_info,
};

static int pm8921_led0_pwm_duty_pcts[56] = {
		1, 4, 8, 12, 16, 20, 24, 28, 32, 36,
		40, 44, 46, 52, 56, 60, 64, 68, 72, 76,
		80, 84, 88, 92, 96, 100, 100, 100, 98, 95,
		92, 88, 84, 82, 78, 74, 70, 66, 62, 58,
		58, 54, 50, 48, 42, 38, 34, 30, 26, 22,
		14, 10, 6, 4, 1
};

static struct pm8xxx_pwm_duty_cycles pm8921_led0_pwm_duty_cycles = {
	.duty_pcts = (int *)&pm8921_led0_pwm_duty_pcts,
	.num_duty_pcts = ARRAY_SIZE(pm8921_led0_pwm_duty_pcts),
	.duty_ms = PM8XXX_LED_PWM_DUTY_MS,
	.start_idx = 0,
};

static struct pm8xxx_led_config pm8921_led_configs[] = {
	[0] = {
		.id = PM8XXX_ID_LED_0,
		.mode = PM8XXX_LED_MODE_PWM2,
		.max_current = PM8921_LC_LED_MAX_CURRENT,
		.pwm_channel = 5,
		.pwm_period_us = PM8XXX_LED_PWM_PERIOD,
		.pwm_duty_cycles = &pm8921_led0_pwm_duty_cycles,
	},
	[1] = {
		.id = PM8XXX_ID_LED_1,
		.mode = PM8XXX_LED_MODE_PWM1,
		.max_current = PM8921_LC_LED_MAX_CURRENT,
		.pwm_channel = 4,
		.pwm_period_us = PM8XXX_LED_PWM_PERIOD,
	},
};

static struct pm8xxx_led_platform_data pm8xxx_leds_pdata = {
		.led_core = &pm8921_led_core_pdata,
		.configs = pm8921_led_configs,
		.num_configs = ARRAY_SIZE(pm8921_led_configs),
};

static struct pm8xxx_ccadc_platform_data pm8xxx_ccadc_pdata = {
	.r_sense		= 10,
};

static struct pm8921_platform_data pm8921_platform_data __devinitdata = {
	.irq_pdata		= &pm8xxx_irq_pdata,
	.gpio_pdata		= &pm8xxx_gpio_pdata,
	.mpp_pdata		= &pm8xxx_mpp_pdata,
	.rtc_pdata              = &pm8xxx_rtc_pdata,
	.pwrkey_pdata		= &pm8xxx_pwrkey_pdata,
	.keypad_pdata		= &keypad_data,
	.misc_pdata		= &pm8xxx_misc_pdata,
	.regulator_pdatas	= msm_pm8921_regulator_pdata,
	.charger_pdata		= &pm8921_chg_pdata,
	.bms_pdata		= &pm8921_bms_pdata,
	.adc_pdata		= &pm8xxx_adc_pdata,
	.leds_pdata		= &pm8xxx_leds_pdata,
	.ccadc_pdata		= &pm8xxx_ccadc_pdata,
};

static struct msm_ssbi_platform_data msm8960_ssbi_pm8921_pdata __devinitdata = {
	.controller_type = MSM_SBI_CTRL_PMIC_ARBITER,
	.slave	= {
		.name			= "pm8921-core",
		.platform_data		= &pm8921_platform_data,
	},
};

void __init msm8930_init_pmic(void)
{
	pmic_reset_irq = PM8921_IRQ_BASE + PM8921_RESOUT_IRQ;
	msm8960_device_ssbi_pm8921.dev.platform_data =
				&msm8960_ssbi_pm8921_pdata;
	pm8921_platform_data.num_regulators = msm_pm8921_regulator_pdata_len;

	/* Simulator supports a QWERTY keypad */
}