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143 lines
4.3 KiB
143 lines
4.3 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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* include/linux/mfd/wm831x/pdata.h -- Platform data for WM831x |
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* |
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* Copyright 2009 Wolfson Microelectronics PLC. |
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* |
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* Author: Mark Brown <[email protected]> |
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*/ |
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#ifndef __MFD_WM831X_PDATA_H__ |
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#define __MFD_WM831X_PDATA_H__ |
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struct wm831x; |
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struct regulator_init_data; |
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struct wm831x_backlight_pdata { |
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int isink; /** ISINK to use, 1 or 2 */ |
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int max_uA; /** Maximum current to allow */ |
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}; |
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struct wm831x_backup_pdata { |
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int charger_enable; |
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int no_constant_voltage; /** Disable constant voltage charging */ |
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int vlim; /** Voltage limit in millivolts */ |
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int ilim; /** Current limit in microamps */ |
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}; |
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struct wm831x_battery_pdata { |
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int enable; /** Enable charging */ |
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int fast_enable; /** Enable fast charging */ |
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int off_mask; /** Mask OFF while charging */ |
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int trickle_ilim; /** Trickle charge current limit, in mA */ |
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int vsel; /** Target voltage, in mV */ |
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int eoc_iterm; /** End of trickle charge current, in mA */ |
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int fast_ilim; /** Fast charge current limit, in mA */ |
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int timeout; /** Charge cycle timeout, in minutes */ |
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}; |
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/** |
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* Configuration for the WM831x DC-DC BuckWise convertors. This |
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* should be passed as driver_data in the regulator_init_data. |
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* |
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* Currently all the configuration is for the fast DVS switching |
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* support of the devices. This allows MFPs on the device to be |
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* configured as an input to switch between two output voltages, |
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* allowing voltage transitions without the expense of an access over |
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* I2C or SPI buses. |
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*/ |
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struct wm831x_buckv_pdata { |
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int dvs_control_src; /** Hardware DVS source to use (1 or 2) */ |
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int dvs_init_state; /** DVS state to expect on startup */ |
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int dvs_state_gpio; /** CPU GPIO to use for monitoring status */ |
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}; |
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/* Sources for status LED configuration. Values are register values |
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* plus 1 to allow for a zero default for preserve. |
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*/ |
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enum wm831x_status_src { |
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WM831X_STATUS_PRESERVE = 0, /* Keep the current hardware setting */ |
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WM831X_STATUS_OTP = 1, |
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WM831X_STATUS_POWER = 2, |
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WM831X_STATUS_CHARGER = 3, |
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WM831X_STATUS_MANUAL = 4, |
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}; |
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struct wm831x_status_pdata { |
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enum wm831x_status_src default_src; |
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const char *name; |
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const char *default_trigger; |
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}; |
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struct wm831x_touch_pdata { |
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int fivewire; /** 1 for five wire mode, 0 for 4 wire */ |
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int isel; /** Current for pen down (uA) */ |
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int rpu; /** Pen down sensitivity resistor divider */ |
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int pressure; /** Report pressure (boolean) */ |
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unsigned int data_irq; /** Touch data ready IRQ */ |
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int data_irqf; /** IRQ flags for data ready IRQ */ |
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unsigned int pd_irq; /** Touch pendown detect IRQ */ |
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int pd_irqf; /** IRQ flags for pen down IRQ */ |
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}; |
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enum wm831x_watchdog_action { |
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WM831X_WDOG_NONE = 0, |
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WM831X_WDOG_INTERRUPT = 1, |
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WM831X_WDOG_RESET = 2, |
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WM831X_WDOG_WAKE = 3, |
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}; |
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struct wm831x_watchdog_pdata { |
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enum wm831x_watchdog_action primary, secondary; |
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unsigned int software:1; |
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}; |
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#define WM831X_MAX_STATUS 2 |
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#define WM831X_MAX_DCDC 4 |
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#define WM831X_MAX_EPE 2 |
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#define WM831X_MAX_LDO 11 |
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#define WM831X_MAX_ISINK 2 |
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#define WM831X_GPIO_CONFIGURE 0x10000 |
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#define WM831X_GPIO_NUM 16 |
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struct wm831x_pdata { |
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/** Used to distinguish multiple WM831x chips */ |
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int wm831x_num; |
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/** Called before subdevices are set up */ |
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int (*pre_init)(struct wm831x *wm831x); |
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/** Called after subdevices are set up */ |
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int (*post_init)(struct wm831x *wm831x); |
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/** Put the /IRQ line into CMOS mode */ |
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bool irq_cmos; |
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/** Disable the touchscreen */ |
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bool disable_touch; |
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/** The driver should initiate a power off sequence during shutdown */ |
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bool soft_shutdown; |
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int irq_base; |
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int gpio_base; |
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int gpio_defaults[WM831X_GPIO_NUM]; |
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struct wm831x_backlight_pdata *backlight; |
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struct wm831x_backup_pdata *backup; |
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struct wm831x_battery_pdata *battery; |
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struct wm831x_touch_pdata *touch; |
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struct wm831x_watchdog_pdata *watchdog; |
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/** LED1 = 0 and so on */ |
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struct wm831x_status_pdata *status[WM831X_MAX_STATUS]; |
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/** DCDC1 = 0 and so on */ |
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struct regulator_init_data *dcdc[WM831X_MAX_DCDC]; |
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/** EPE1 = 0 and so on */ |
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struct regulator_init_data *epe[WM831X_MAX_EPE]; |
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/** LDO1 = 0 and so on */ |
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struct regulator_init_data *ldo[WM831X_MAX_LDO]; |
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/** ISINK1 = 0 and so on*/ |
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struct regulator_init_data *isink[WM831X_MAX_ISINK]; |
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}; |
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#endif
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