1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * include/linux/mfd/wm831x/pdata.h -- Platform data for WM831x 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright 2009 Wolfson Microelectronics PLC. 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> 8*4882a593Smuzhiyun */ 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #ifndef __MFD_WM831X_PDATA_H__ 11*4882a593Smuzhiyun #define __MFD_WM831X_PDATA_H__ 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun struct wm831x; 14*4882a593Smuzhiyun struct regulator_init_data; 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun struct wm831x_backlight_pdata { 17*4882a593Smuzhiyun int isink; /** ISINK to use, 1 or 2 */ 18*4882a593Smuzhiyun int max_uA; /** Maximum current to allow */ 19*4882a593Smuzhiyun }; 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun struct wm831x_backup_pdata { 22*4882a593Smuzhiyun int charger_enable; 23*4882a593Smuzhiyun int no_constant_voltage; /** Disable constant voltage charging */ 24*4882a593Smuzhiyun int vlim; /** Voltage limit in millivolts */ 25*4882a593Smuzhiyun int ilim; /** Current limit in microamps */ 26*4882a593Smuzhiyun }; 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun struct wm831x_battery_pdata { 29*4882a593Smuzhiyun int enable; /** Enable charging */ 30*4882a593Smuzhiyun int fast_enable; /** Enable fast charging */ 31*4882a593Smuzhiyun int off_mask; /** Mask OFF while charging */ 32*4882a593Smuzhiyun int trickle_ilim; /** Trickle charge current limit, in mA */ 33*4882a593Smuzhiyun int vsel; /** Target voltage, in mV */ 34*4882a593Smuzhiyun int eoc_iterm; /** End of trickle charge current, in mA */ 35*4882a593Smuzhiyun int fast_ilim; /** Fast charge current limit, in mA */ 36*4882a593Smuzhiyun int timeout; /** Charge cycle timeout, in minutes */ 37*4882a593Smuzhiyun }; 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun /** 40*4882a593Smuzhiyun * Configuration for the WM831x DC-DC BuckWise convertors. This 41*4882a593Smuzhiyun * should be passed as driver_data in the regulator_init_data. 42*4882a593Smuzhiyun * 43*4882a593Smuzhiyun * Currently all the configuration is for the fast DVS switching 44*4882a593Smuzhiyun * support of the devices. This allows MFPs on the device to be 45*4882a593Smuzhiyun * configured as an input to switch between two output voltages, 46*4882a593Smuzhiyun * allowing voltage transitions without the expense of an access over 47*4882a593Smuzhiyun * I2C or SPI buses. 48*4882a593Smuzhiyun */ 49*4882a593Smuzhiyun struct wm831x_buckv_pdata { 50*4882a593Smuzhiyun int dvs_control_src; /** Hardware DVS source to use (1 or 2) */ 51*4882a593Smuzhiyun int dvs_init_state; /** DVS state to expect on startup */ 52*4882a593Smuzhiyun int dvs_state_gpio; /** CPU GPIO to use for monitoring status */ 53*4882a593Smuzhiyun }; 54*4882a593Smuzhiyun 55*4882a593Smuzhiyun /* Sources for status LED configuration. Values are register values 56*4882a593Smuzhiyun * plus 1 to allow for a zero default for preserve. 57*4882a593Smuzhiyun */ 58*4882a593Smuzhiyun enum wm831x_status_src { 59*4882a593Smuzhiyun WM831X_STATUS_PRESERVE = 0, /* Keep the current hardware setting */ 60*4882a593Smuzhiyun WM831X_STATUS_OTP = 1, 61*4882a593Smuzhiyun WM831X_STATUS_POWER = 2, 62*4882a593Smuzhiyun WM831X_STATUS_CHARGER = 3, 63*4882a593Smuzhiyun WM831X_STATUS_MANUAL = 4, 64*4882a593Smuzhiyun }; 65*4882a593Smuzhiyun 66*4882a593Smuzhiyun struct wm831x_status_pdata { 67*4882a593Smuzhiyun enum wm831x_status_src default_src; 68*4882a593Smuzhiyun const char *name; 69*4882a593Smuzhiyun const char *default_trigger; 70*4882a593Smuzhiyun }; 71*4882a593Smuzhiyun 72*4882a593Smuzhiyun struct wm831x_touch_pdata { 73*4882a593Smuzhiyun int fivewire; /** 1 for five wire mode, 0 for 4 wire */ 74*4882a593Smuzhiyun int isel; /** Current for pen down (uA) */ 75*4882a593Smuzhiyun int rpu; /** Pen down sensitivity resistor divider */ 76*4882a593Smuzhiyun int pressure; /** Report pressure (boolean) */ 77*4882a593Smuzhiyun unsigned int data_irq; /** Touch data ready IRQ */ 78*4882a593Smuzhiyun int data_irqf; /** IRQ flags for data ready IRQ */ 79*4882a593Smuzhiyun unsigned int pd_irq; /** Touch pendown detect IRQ */ 80*4882a593Smuzhiyun int pd_irqf; /** IRQ flags for pen down IRQ */ 81*4882a593Smuzhiyun }; 82*4882a593Smuzhiyun 83*4882a593Smuzhiyun enum wm831x_watchdog_action { 84*4882a593Smuzhiyun WM831X_WDOG_NONE = 0, 85*4882a593Smuzhiyun WM831X_WDOG_INTERRUPT = 1, 86*4882a593Smuzhiyun WM831X_WDOG_RESET = 2, 87*4882a593Smuzhiyun WM831X_WDOG_WAKE = 3, 88*4882a593Smuzhiyun }; 89*4882a593Smuzhiyun 90*4882a593Smuzhiyun struct wm831x_watchdog_pdata { 91*4882a593Smuzhiyun enum wm831x_watchdog_action primary, secondary; 92*4882a593Smuzhiyun unsigned int software:1; 93*4882a593Smuzhiyun }; 94*4882a593Smuzhiyun 95*4882a593Smuzhiyun #define WM831X_MAX_STATUS 2 96*4882a593Smuzhiyun #define WM831X_MAX_DCDC 4 97*4882a593Smuzhiyun #define WM831X_MAX_EPE 2 98*4882a593Smuzhiyun #define WM831X_MAX_LDO 11 99*4882a593Smuzhiyun #define WM831X_MAX_ISINK 2 100*4882a593Smuzhiyun 101*4882a593Smuzhiyun #define WM831X_GPIO_CONFIGURE 0x10000 102*4882a593Smuzhiyun #define WM831X_GPIO_NUM 16 103*4882a593Smuzhiyun 104*4882a593Smuzhiyun struct wm831x_pdata { 105*4882a593Smuzhiyun /** Used to distinguish multiple WM831x chips */ 106*4882a593Smuzhiyun int wm831x_num; 107*4882a593Smuzhiyun 108*4882a593Smuzhiyun /** Called before subdevices are set up */ 109*4882a593Smuzhiyun int (*pre_init)(struct wm831x *wm831x); 110*4882a593Smuzhiyun /** Called after subdevices are set up */ 111*4882a593Smuzhiyun int (*post_init)(struct wm831x *wm831x); 112*4882a593Smuzhiyun 113*4882a593Smuzhiyun /** Put the /IRQ line into CMOS mode */ 114*4882a593Smuzhiyun bool irq_cmos; 115*4882a593Smuzhiyun 116*4882a593Smuzhiyun /** Disable the touchscreen */ 117*4882a593Smuzhiyun bool disable_touch; 118*4882a593Smuzhiyun 119*4882a593Smuzhiyun /** The driver should initiate a power off sequence during shutdown */ 120*4882a593Smuzhiyun bool soft_shutdown; 121*4882a593Smuzhiyun 122*4882a593Smuzhiyun int irq_base; 123*4882a593Smuzhiyun int gpio_base; 124*4882a593Smuzhiyun int gpio_defaults[WM831X_GPIO_NUM]; 125*4882a593Smuzhiyun struct wm831x_backlight_pdata *backlight; 126*4882a593Smuzhiyun struct wm831x_backup_pdata *backup; 127*4882a593Smuzhiyun struct wm831x_battery_pdata *battery; 128*4882a593Smuzhiyun struct wm831x_touch_pdata *touch; 129*4882a593Smuzhiyun struct wm831x_watchdog_pdata *watchdog; 130*4882a593Smuzhiyun 131*4882a593Smuzhiyun /** LED1 = 0 and so on */ 132*4882a593Smuzhiyun struct wm831x_status_pdata *status[WM831X_MAX_STATUS]; 133*4882a593Smuzhiyun /** DCDC1 = 0 and so on */ 134*4882a593Smuzhiyun struct regulator_init_data *dcdc[WM831X_MAX_DCDC]; 135*4882a593Smuzhiyun /** EPE1 = 0 and so on */ 136*4882a593Smuzhiyun struct regulator_init_data *epe[WM831X_MAX_EPE]; 137*4882a593Smuzhiyun /** LDO1 = 0 and so on */ 138*4882a593Smuzhiyun struct regulator_init_data *ldo[WM831X_MAX_LDO]; 139*4882a593Smuzhiyun /** ISINK1 = 0 and so on*/ 140*4882a593Smuzhiyun struct regulator_init_data *isink[WM831X_MAX_ISINK]; 141*4882a593Smuzhiyun }; 142*4882a593Smuzhiyun 143*4882a593Smuzhiyun #endif 144