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Commit 2e47fff1 authored by Mark Brown's avatar Mark Brown
Browse files

mfd: Provide regmap register access info from wm831x driver 



Lets us see the register map in debugfs and will enable us to push
access checking down into the regmap API.

Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
parent 1df5981b

drivers/mfd/wm831x-core.c

+351 −0
Original line number Diff line number Diff line
@@ -161,6 +161,352 @@ int wm831x_reg_unlock(struct wm831x *wm831x) 
}

EXPORT_SYMBOL_GPL(wm831x_reg_unlock);



static bool wm831x_reg_readable(struct device *dev, unsigned int reg)

{

	switch (reg) {

	case WM831X_RESET_ID:

	case WM831X_REVISION:

	case WM831X_PARENT_ID:

	case WM831X_SYSVDD_CONTROL:

	case WM831X_THERMAL_MONITORING:

	case WM831X_POWER_STATE:

	case WM831X_WATCHDOG:

	case WM831X_ON_PIN_CONTROL:

	case WM831X_RESET_CONTROL:

	case WM831X_CONTROL_INTERFACE:

	case WM831X_SECURITY_KEY:

	case WM831X_SOFTWARE_SCRATCH:

	case WM831X_OTP_CONTROL:

	case WM831X_GPIO_LEVEL:

	case WM831X_SYSTEM_STATUS:

	case WM831X_ON_SOURCE:

	case WM831X_OFF_SOURCE:

	case WM831X_SYSTEM_INTERRUPTS:

	case WM831X_INTERRUPT_STATUS_1:

	case WM831X_INTERRUPT_STATUS_2:

	case WM831X_INTERRUPT_STATUS_3:

	case WM831X_INTERRUPT_STATUS_4:

	case WM831X_INTERRUPT_STATUS_5:

	case WM831X_IRQ_CONFIG:

	case WM831X_SYSTEM_INTERRUPTS_MASK:

	case WM831X_INTERRUPT_STATUS_1_MASK:

	case WM831X_INTERRUPT_STATUS_2_MASK:

	case WM831X_INTERRUPT_STATUS_3_MASK:

	case WM831X_INTERRUPT_STATUS_4_MASK:

	case WM831X_INTERRUPT_STATUS_5_MASK:

	case WM831X_RTC_WRITE_COUNTER:

	case WM831X_RTC_TIME_1:

	case WM831X_RTC_TIME_2:

	case WM831X_RTC_ALARM_1:

	case WM831X_RTC_ALARM_2:

	case WM831X_RTC_CONTROL:

	case WM831X_RTC_TRIM:

	case WM831X_TOUCH_CONTROL_1:

	case WM831X_TOUCH_CONTROL_2:

	case WM831X_TOUCH_DATA_X:

	case WM831X_TOUCH_DATA_Y:

	case WM831X_TOUCH_DATA_Z:

	case WM831X_AUXADC_DATA:

	case WM831X_AUXADC_CONTROL:

	case WM831X_AUXADC_SOURCE:

	case WM831X_COMPARATOR_CONTROL:

	case WM831X_COMPARATOR_1:

	case WM831X_COMPARATOR_2:

	case WM831X_COMPARATOR_3:

	case WM831X_COMPARATOR_4:

	case WM831X_GPIO1_CONTROL:

	case WM831X_GPIO2_CONTROL:

	case WM831X_GPIO3_CONTROL:

	case WM831X_GPIO4_CONTROL:

	case WM831X_GPIO5_CONTROL:

	case WM831X_GPIO6_CONTROL:

	case WM831X_GPIO7_CONTROL:

	case WM831X_GPIO8_CONTROL:

	case WM831X_GPIO9_CONTROL:

	case WM831X_GPIO10_CONTROL:

	case WM831X_GPIO11_CONTROL:

	case WM831X_GPIO12_CONTROL:

	case WM831X_GPIO13_CONTROL:

	case WM831X_GPIO14_CONTROL:

	case WM831X_GPIO15_CONTROL:

	case WM831X_GPIO16_CONTROL:

	case WM831X_CHARGER_CONTROL_1:

	case WM831X_CHARGER_CONTROL_2:

	case WM831X_CHARGER_STATUS:

	case WM831X_BACKUP_CHARGER_CONTROL:

	case WM831X_STATUS_LED_1:

	case WM831X_STATUS_LED_2:

	case WM831X_CURRENT_SINK_1:

	case WM831X_CURRENT_SINK_2:

	case WM831X_DCDC_ENABLE:

	case WM831X_LDO_ENABLE:

	case WM831X_DCDC_STATUS:

	case WM831X_LDO_STATUS:

	case WM831X_DCDC_UV_STATUS:

	case WM831X_LDO_UV_STATUS:

	case WM831X_DC1_CONTROL_1:

	case WM831X_DC1_CONTROL_2:

	case WM831X_DC1_ON_CONFIG:

	case WM831X_DC1_SLEEP_CONTROL:

	case WM831X_DC1_DVS_CONTROL:

	case WM831X_DC2_CONTROL_1:

	case WM831X_DC2_CONTROL_2:

	case WM831X_DC2_ON_CONFIG:

	case WM831X_DC2_SLEEP_CONTROL:

	case WM831X_DC2_DVS_CONTROL:

	case WM831X_DC3_CONTROL_1:

	case WM831X_DC3_CONTROL_2:

	case WM831X_DC3_ON_CONFIG:

	case WM831X_DC3_SLEEP_CONTROL:

	case WM831X_DC4_CONTROL:

	case WM831X_DC4_SLEEP_CONTROL:

	case WM831X_EPE1_CONTROL:

	case WM831X_EPE2_CONTROL:

	case WM831X_LDO1_CONTROL:

	case WM831X_LDO1_ON_CONTROL:

	case WM831X_LDO1_SLEEP_CONTROL:

	case WM831X_LDO2_CONTROL:

	case WM831X_LDO2_ON_CONTROL:

	case WM831X_LDO2_SLEEP_CONTROL:

	case WM831X_LDO3_CONTROL:

	case WM831X_LDO3_ON_CONTROL:

	case WM831X_LDO3_SLEEP_CONTROL:

	case WM831X_LDO4_CONTROL:

	case WM831X_LDO4_ON_CONTROL:

	case WM831X_LDO4_SLEEP_CONTROL:

	case WM831X_LDO5_CONTROL:

	case WM831X_LDO5_ON_CONTROL:

	case WM831X_LDO5_SLEEP_CONTROL:

	case WM831X_LDO6_CONTROL:

	case WM831X_LDO6_ON_CONTROL:

	case WM831X_LDO6_SLEEP_CONTROL:

	case WM831X_LDO7_CONTROL:

	case WM831X_LDO7_ON_CONTROL:

	case WM831X_LDO7_SLEEP_CONTROL:

	case WM831X_LDO8_CONTROL:

	case WM831X_LDO8_ON_CONTROL:

	case WM831X_LDO8_SLEEP_CONTROL:

	case WM831X_LDO9_CONTROL:

	case WM831X_LDO9_ON_CONTROL:

	case WM831X_LDO9_SLEEP_CONTROL:

	case WM831X_LDO10_CONTROL:

	case WM831X_LDO10_ON_CONTROL:

	case WM831X_LDO10_SLEEP_CONTROL:

	case WM831X_LDO11_ON_CONTROL:

	case WM831X_LDO11_SLEEP_CONTROL:

	case WM831X_POWER_GOOD_SOURCE_1:

	case WM831X_POWER_GOOD_SOURCE_2:

	case WM831X_CLOCK_CONTROL_1:

	case WM831X_CLOCK_CONTROL_2:

	case WM831X_FLL_CONTROL_1:

	case WM831X_FLL_CONTROL_2:

	case WM831X_FLL_CONTROL_3:

	case WM831X_FLL_CONTROL_4:

	case WM831X_FLL_CONTROL_5:

	case WM831X_UNIQUE_ID_1:

	case WM831X_UNIQUE_ID_2:

	case WM831X_UNIQUE_ID_3:

	case WM831X_UNIQUE_ID_4:

	case WM831X_UNIQUE_ID_5:

	case WM831X_UNIQUE_ID_6:

	case WM831X_UNIQUE_ID_7:

	case WM831X_UNIQUE_ID_8:

	case WM831X_FACTORY_OTP_ID:

	case WM831X_FACTORY_OTP_1:

	case WM831X_FACTORY_OTP_2:

	case WM831X_FACTORY_OTP_3:

	case WM831X_FACTORY_OTP_4:

	case WM831X_FACTORY_OTP_5:

	case WM831X_CUSTOMER_OTP_ID:

	case WM831X_DC1_OTP_CONTROL:

	case WM831X_DC2_OTP_CONTROL:

	case WM831X_DC3_OTP_CONTROL:

	case WM831X_LDO1_2_OTP_CONTROL:

	case WM831X_LDO3_4_OTP_CONTROL:

	case WM831X_LDO5_6_OTP_CONTROL:

	case WM831X_LDO7_8_OTP_CONTROL:

	case WM831X_LDO9_10_OTP_CONTROL:

	case WM831X_LDO11_EPE_CONTROL:

	case WM831X_GPIO1_OTP_CONTROL:

	case WM831X_GPIO2_OTP_CONTROL:

	case WM831X_GPIO3_OTP_CONTROL:

	case WM831X_GPIO4_OTP_CONTROL:

	case WM831X_GPIO5_OTP_CONTROL:

	case WM831X_GPIO6_OTP_CONTROL:

	case WM831X_DBE_CHECK_DATA:

		return true;

	default:

		return false;

	}

}



static bool wm831x_reg_writeable(struct device *dev, unsigned int reg)

{

	struct wm831x *wm831x = dev_get_drvdata(dev);



	if (wm831x_reg_locked(wm831x, reg))

		return false;



	switch (reg) {

	case WM831X_SYSVDD_CONTROL:

	case WM831X_THERMAL_MONITORING:

	case WM831X_POWER_STATE:

	case WM831X_WATCHDOG:

	case WM831X_ON_PIN_CONTROL:

	case WM831X_RESET_CONTROL:

	case WM831X_CONTROL_INTERFACE:

	case WM831X_SECURITY_KEY:

	case WM831X_SOFTWARE_SCRATCH:

	case WM831X_OTP_CONTROL:

	case WM831X_GPIO_LEVEL:

	case WM831X_INTERRUPT_STATUS_1:

	case WM831X_INTERRUPT_STATUS_2:

	case WM831X_INTERRUPT_STATUS_3:

	case WM831X_INTERRUPT_STATUS_4:

	case WM831X_INTERRUPT_STATUS_5:

	case WM831X_IRQ_CONFIG:

	case WM831X_SYSTEM_INTERRUPTS_MASK:

	case WM831X_INTERRUPT_STATUS_1_MASK:

	case WM831X_INTERRUPT_STATUS_2_MASK:

	case WM831X_INTERRUPT_STATUS_3_MASK:

	case WM831X_INTERRUPT_STATUS_4_MASK:

	case WM831X_INTERRUPT_STATUS_5_MASK:

	case WM831X_RTC_TIME_1:

	case WM831X_RTC_TIME_2:

	case WM831X_RTC_ALARM_1:

	case WM831X_RTC_ALARM_2:

	case WM831X_RTC_CONTROL:

	case WM831X_RTC_TRIM:

	case WM831X_TOUCH_CONTROL_1:

	case WM831X_TOUCH_CONTROL_2:

	case WM831X_AUXADC_CONTROL:

	case WM831X_AUXADC_SOURCE:

	case WM831X_COMPARATOR_CONTROL:

	case WM831X_COMPARATOR_1:

	case WM831X_COMPARATOR_2:

	case WM831X_COMPARATOR_3:

	case WM831X_COMPARATOR_4:

	case WM831X_GPIO1_CONTROL:

	case WM831X_GPIO2_CONTROL:

	case WM831X_GPIO3_CONTROL:

	case WM831X_GPIO4_CONTROL:

	case WM831X_GPIO5_CONTROL:

	case WM831X_GPIO6_CONTROL:

	case WM831X_GPIO7_CONTROL:

	case WM831X_GPIO8_CONTROL:

	case WM831X_GPIO9_CONTROL:

	case WM831X_GPIO10_CONTROL:

	case WM831X_GPIO11_CONTROL:

	case WM831X_GPIO12_CONTROL:

	case WM831X_GPIO13_CONTROL:

	case WM831X_GPIO14_CONTROL:

	case WM831X_GPIO15_CONTROL:

	case WM831X_GPIO16_CONTROL:

	case WM831X_CHARGER_CONTROL_1:

	case WM831X_CHARGER_CONTROL_2:

	case WM831X_CHARGER_STATUS:

	case WM831X_BACKUP_CHARGER_CONTROL:

	case WM831X_STATUS_LED_1:

	case WM831X_STATUS_LED_2:

	case WM831X_CURRENT_SINK_1:

	case WM831X_CURRENT_SINK_2:

	case WM831X_DCDC_ENABLE:

	case WM831X_LDO_ENABLE:

	case WM831X_DC1_CONTROL_1:

	case WM831X_DC1_CONTROL_2:

	case WM831X_DC1_ON_CONFIG:

	case WM831X_DC1_SLEEP_CONTROL:

	case WM831X_DC1_DVS_CONTROL:

	case WM831X_DC2_CONTROL_1:

	case WM831X_DC2_CONTROL_2:

	case WM831X_DC2_ON_CONFIG:

	case WM831X_DC2_SLEEP_CONTROL:

	case WM831X_DC2_DVS_CONTROL:

	case WM831X_DC3_CONTROL_1:

	case WM831X_DC3_CONTROL_2:

	case WM831X_DC3_ON_CONFIG:

	case WM831X_DC3_SLEEP_CONTROL:

	case WM831X_DC4_CONTROL:

	case WM831X_DC4_SLEEP_CONTROL:

	case WM831X_EPE1_CONTROL:

	case WM831X_EPE2_CONTROL:

	case WM831X_LDO1_CONTROL:

	case WM831X_LDO1_ON_CONTROL:

	case WM831X_LDO1_SLEEP_CONTROL:

	case WM831X_LDO2_CONTROL:

	case WM831X_LDO2_ON_CONTROL:

	case WM831X_LDO2_SLEEP_CONTROL:

	case WM831X_LDO3_CONTROL:

	case WM831X_LDO3_ON_CONTROL:

	case WM831X_LDO3_SLEEP_CONTROL:

	case WM831X_LDO4_CONTROL:

	case WM831X_LDO4_ON_CONTROL:

	case WM831X_LDO4_SLEEP_CONTROL:

	case WM831X_LDO5_CONTROL:

	case WM831X_LDO5_ON_CONTROL:

	case WM831X_LDO5_SLEEP_CONTROL:

	case WM831X_LDO6_CONTROL:

	case WM831X_LDO6_ON_CONTROL:

	case WM831X_LDO6_SLEEP_CONTROL:

	case WM831X_LDO7_CONTROL:

	case WM831X_LDO7_ON_CONTROL:

	case WM831X_LDO7_SLEEP_CONTROL:

	case WM831X_LDO8_CONTROL:

	case WM831X_LDO8_ON_CONTROL:

	case WM831X_LDO8_SLEEP_CONTROL:

	case WM831X_LDO9_CONTROL:

	case WM831X_LDO9_ON_CONTROL:

	case WM831X_LDO9_SLEEP_CONTROL:

	case WM831X_LDO10_CONTROL:

	case WM831X_LDO10_ON_CONTROL:

	case WM831X_LDO10_SLEEP_CONTROL:

	case WM831X_LDO11_ON_CONTROL:

	case WM831X_LDO11_SLEEP_CONTROL:

	case WM831X_POWER_GOOD_SOURCE_1:

	case WM831X_POWER_GOOD_SOURCE_2:

	case WM831X_CLOCK_CONTROL_1:

	case WM831X_CLOCK_CONTROL_2:

	case WM831X_FLL_CONTROL_1:

	case WM831X_FLL_CONTROL_2:

	case WM831X_FLL_CONTROL_3:

	case WM831X_FLL_CONTROL_4:

	case WM831X_FLL_CONTROL_5:

		return true;

	default:

		return false;

	}

}



static bool wm831x_reg_volatile(struct device *dev, unsigned int reg)

{

	switch (reg) {

	case WM831X_SYSTEM_STATUS:

	case WM831X_ON_SOURCE:

	case WM831X_OFF_SOURCE:

	case WM831X_GPIO_LEVEL:

	case WM831X_SYSTEM_INTERRUPTS:

	case WM831X_INTERRUPT_STATUS_1:

	case WM831X_INTERRUPT_STATUS_2:

	case WM831X_INTERRUPT_STATUS_3:

	case WM831X_INTERRUPT_STATUS_4:

	case WM831X_INTERRUPT_STATUS_5:

	case WM831X_RTC_TIME_1:

	case WM831X_RTC_TIME_2:

	case WM831X_TOUCH_DATA_X:

	case WM831X_TOUCH_DATA_Y:

	case WM831X_TOUCH_DATA_Z:

	case WM831X_AUXADC_DATA:

	case WM831X_CHARGER_STATUS:

	case WM831X_DCDC_STATUS:

	case WM831X_LDO_STATUS:

	case WM831X_DCDC_UV_STATUS:

	case WM831X_LDO_UV_STATUS:

		return true;

	default:

		return false;

	}

}



/**

 * wm831x_reg_read: Read a single WM831x register.

 *
@@ -1254,6 +1600,11 @@ static struct mfd_cell backlight_devs[] = { 
struct regmap_config wm831x_regmap_config = {

	.reg_bits = 16,

	.val_bits = 16,



	.max_register = WM831X_DBE_CHECK_DATA,

	.readable_reg = wm831x_reg_readable,

	.writeable_reg = wm831x_reg_writeable,

	.volatile_reg = wm831x_reg_volatile,

};

EXPORT_SYMBOL_GPL(wm831x_regmap_config);