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