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path: root/drivers/mfd/wm831x-core.c
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Diffstat (limited to 'drivers/mfd/wm831x-core.c')
-rw-r--r--drivers/mfd/wm831x-core.c335
1 files changed, 73 insertions, 262 deletions
diff --git a/drivers/mfd/wm831x-core.c b/drivers/mfd/wm831x-core.c
index e70d35ef5c6d..e7e68929275e 100644
--- a/drivers/mfd/wm831x-core.c
+++ b/drivers/mfd/wm831x-core.c
@@ -1,26 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* wm831x-core.c -- Device access for Wolfson WM831x PMICs
*
* 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.
- *
*/
#include <linux/kernel.h>
-#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/export.h>
#include <linux/bcd.h>
#include <linux/delay.h>
#include <linux/mfd/core.h>
#include <linux/slab.h>
#include <linux/err.h>
-#include <linux/of.h>
-#include <linux/of_device.h>
+#include <linux/mod_devicetable.h>
#include <linux/mfd/wm831x/core.h>
#include <linux/mfd/wm831x/pdata.h>
@@ -33,7 +28,7 @@
/* Current settings - values are 2*2^(reg_val/4) microamps. These are
* exported since they are used by multiple drivers.
*/
-int wm831x_isinkv_values[WM831X_ISINK_MAX_ISEL + 1] = {
+const unsigned int wm831x_isinkv_values[WM831X_ISINK_MAX_ISEL + 1] = {
2,
2,
3,
@@ -113,11 +108,13 @@ static int wm831x_reg_locked(struct wm831x *wm831x, unsigned short reg)
}
/**
- * wm831x_reg_unlock: Unlock user keyed registers
+ * wm831x_reg_lock: Unlock user keyed registers
*
* The WM831x has a user key preventing writes to particularly
* critical registers. This function locks those registers,
* allowing writes to them.
+ *
+ * @wm831x: pointer to local driver data structure
*/
void wm831x_reg_lock(struct wm831x *wm831x)
{
@@ -144,6 +141,8 @@ EXPORT_SYMBOL_GPL(wm831x_reg_lock);
* The WM831x has a user key preventing writes to particularly
* critical registers. This function locks those registers,
* preventing spurious writes.
+ *
+ * @wm831x: pointer to local driver data structure
*/
int wm831x_reg_unlock(struct wm831x *wm831x)
{
@@ -616,90 +615,55 @@ int wm831x_set_bits(struct wm831x *wm831x, unsigned short reg,
}
EXPORT_SYMBOL_GPL(wm831x_set_bits);
-static struct resource wm831x_dcdc1_resources[] = {
+static const struct resource wm831x_dcdc1_resources[] = {
{
.start = WM831X_DC1_CONTROL_1,
.end = WM831X_DC1_DVS_CONTROL,
.flags = IORESOURCE_REG,
},
- {
- .name = "UV",
- .start = WM831X_IRQ_UV_DC1,
- .end = WM831X_IRQ_UV_DC1,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "HC",
- .start = WM831X_IRQ_HC_DC1,
- .end = WM831X_IRQ_HC_DC1,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_UV_DC1, "UV"),
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_HC_DC1, "HC"),
};
-static struct resource wm831x_dcdc2_resources[] = {
+static const struct resource wm831x_dcdc2_resources[] = {
{
.start = WM831X_DC2_CONTROL_1,
.end = WM831X_DC2_DVS_CONTROL,
.flags = IORESOURCE_REG,
},
- {
- .name = "UV",
- .start = WM831X_IRQ_UV_DC2,
- .end = WM831X_IRQ_UV_DC2,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "HC",
- .start = WM831X_IRQ_HC_DC2,
- .end = WM831X_IRQ_HC_DC2,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_UV_DC2, "UV"),
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_HC_DC2, "HC"),
};
-static struct resource wm831x_dcdc3_resources[] = {
+static const struct resource wm831x_dcdc3_resources[] = {
{
.start = WM831X_DC3_CONTROL_1,
.end = WM831X_DC3_SLEEP_CONTROL,
.flags = IORESOURCE_REG,
},
- {
- .name = "UV",
- .start = WM831X_IRQ_UV_DC3,
- .end = WM831X_IRQ_UV_DC3,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_UV_DC3, "UV"),
};
-static struct resource wm831x_dcdc4_resources[] = {
+static const struct resource wm831x_dcdc4_resources[] = {
{
.start = WM831X_DC4_CONTROL,
.end = WM831X_DC4_SLEEP_CONTROL,
.flags = IORESOURCE_REG,
},
- {
- .name = "UV",
- .start = WM831X_IRQ_UV_DC4,
- .end = WM831X_IRQ_UV_DC4,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_UV_DC4, "UV"),
};
-static struct resource wm8320_dcdc4_buck_resources[] = {
+static const struct resource wm8320_dcdc4_buck_resources[] = {
{
.start = WM831X_DC4_CONTROL,
.end = WM832X_DC4_SLEEP_CONTROL,
.flags = IORESOURCE_REG,
},
- {
- .name = "UV",
- .start = WM831X_IRQ_UV_DC4,
- .end = WM831X_IRQ_UV_DC4,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_UV_DC4, "UV"),
};
-static struct resource wm831x_gpio_resources[] = {
+static const struct resource wm831x_gpio_resources[] = {
{
.start = WM831X_IRQ_GPIO_1,
.end = WM831X_IRQ_GPIO_16,
@@ -707,173 +671,115 @@ static struct resource wm831x_gpio_resources[] = {
},
};
-static struct resource wm831x_isink1_resources[] = {
+static const struct resource wm831x_isink1_resources[] = {
{
.start = WM831X_CURRENT_SINK_1,
.end = WM831X_CURRENT_SINK_1,
.flags = IORESOURCE_REG,
},
- {
- .start = WM831X_IRQ_CS1,
- .end = WM831X_IRQ_CS1,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ(WM831X_IRQ_CS1),
};
-static struct resource wm831x_isink2_resources[] = {
+static const struct resource wm831x_isink2_resources[] = {
{
.start = WM831X_CURRENT_SINK_2,
.end = WM831X_CURRENT_SINK_2,
.flags = IORESOURCE_REG,
},
- {
- .start = WM831X_IRQ_CS2,
- .end = WM831X_IRQ_CS2,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ(WM831X_IRQ_CS2),
};
-static struct resource wm831x_ldo1_resources[] = {
+static const struct resource wm831x_ldo1_resources[] = {
{
.start = WM831X_LDO1_CONTROL,
.end = WM831X_LDO1_SLEEP_CONTROL,
.flags = IORESOURCE_REG,
},
- {
- .name = "UV",
- .start = WM831X_IRQ_UV_LDO1,
- .end = WM831X_IRQ_UV_LDO1,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_UV_LDO1, "UV"),
};
-static struct resource wm831x_ldo2_resources[] = {
+static const struct resource wm831x_ldo2_resources[] = {
{
.start = WM831X_LDO2_CONTROL,
.end = WM831X_LDO2_SLEEP_CONTROL,
.flags = IORESOURCE_REG,
},
- {
- .name = "UV",
- .start = WM831X_IRQ_UV_LDO2,
- .end = WM831X_IRQ_UV_LDO2,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_UV_LDO2, "UV"),
};
-static struct resource wm831x_ldo3_resources[] = {
+static const struct resource wm831x_ldo3_resources[] = {
{
.start = WM831X_LDO3_CONTROL,
.end = WM831X_LDO3_SLEEP_CONTROL,
.flags = IORESOURCE_REG,
},
- {
- .name = "UV",
- .start = WM831X_IRQ_UV_LDO3,
- .end = WM831X_IRQ_UV_LDO3,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_UV_LDO3, "UV"),
};
-static struct resource wm831x_ldo4_resources[] = {
+static const struct resource wm831x_ldo4_resources[] = {
{
.start = WM831X_LDO4_CONTROL,
.end = WM831X_LDO4_SLEEP_CONTROL,
.flags = IORESOURCE_REG,
},
- {
- .name = "UV",
- .start = WM831X_IRQ_UV_LDO4,
- .end = WM831X_IRQ_UV_LDO4,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_UV_LDO4, "UV"),
};
-static struct resource wm831x_ldo5_resources[] = {
+static const struct resource wm831x_ldo5_resources[] = {
{
.start = WM831X_LDO5_CONTROL,
.end = WM831X_LDO5_SLEEP_CONTROL,
.flags = IORESOURCE_REG,
},
- {
- .name = "UV",
- .start = WM831X_IRQ_UV_LDO5,
- .end = WM831X_IRQ_UV_LDO5,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_UV_LDO5, "UV"),
};
-static struct resource wm831x_ldo6_resources[] = {
+static const struct resource wm831x_ldo6_resources[] = {
{
.start = WM831X_LDO6_CONTROL,
.end = WM831X_LDO6_SLEEP_CONTROL,
.flags = IORESOURCE_REG,
},
- {
- .name = "UV",
- .start = WM831X_IRQ_UV_LDO6,
- .end = WM831X_IRQ_UV_LDO6,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_UV_LDO6, "UV"),
};
-static struct resource wm831x_ldo7_resources[] = {
+static const struct resource wm831x_ldo7_resources[] = {
{
.start = WM831X_LDO7_CONTROL,
.end = WM831X_LDO7_SLEEP_CONTROL,
.flags = IORESOURCE_REG,
},
- {
- .name = "UV",
- .start = WM831X_IRQ_UV_LDO7,
- .end = WM831X_IRQ_UV_LDO7,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_UV_LDO7, "UV"),
};
-static struct resource wm831x_ldo8_resources[] = {
+static const struct resource wm831x_ldo8_resources[] = {
{
.start = WM831X_LDO8_CONTROL,
.end = WM831X_LDO8_SLEEP_CONTROL,
.flags = IORESOURCE_REG,
},
- {
- .name = "UV",
- .start = WM831X_IRQ_UV_LDO8,
- .end = WM831X_IRQ_UV_LDO8,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_UV_LDO8, "UV"),
};
-static struct resource wm831x_ldo9_resources[] = {
+static const struct resource wm831x_ldo9_resources[] = {
{
.start = WM831X_LDO9_CONTROL,
.end = WM831X_LDO9_SLEEP_CONTROL,
.flags = IORESOURCE_REG,
},
- {
- .name = "UV",
- .start = WM831X_IRQ_UV_LDO9,
- .end = WM831X_IRQ_UV_LDO9,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_UV_LDO9, "UV"),
};
-static struct resource wm831x_ldo10_resources[] = {
+static const struct resource wm831x_ldo10_resources[] = {
{
.start = WM831X_LDO10_CONTROL,
.end = WM831X_LDO10_SLEEP_CONTROL,
.flags = IORESOURCE_REG,
},
- {
- .name = "UV",
- .start = WM831X_IRQ_UV_LDO10,
- .end = WM831X_IRQ_UV_LDO10,
- .flags = IORESOURCE_IRQ,
- },
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_UV_LDO10, "UV"),
};
-static struct resource wm831x_ldo11_resources[] = {
+static const struct resource wm831x_ldo11_resources[] = {
{
.start = WM831X_LDO11_ON_CONTROL,
.end = WM831X_LDO11_SLEEP_CONTROL,
@@ -881,100 +787,31 @@ static struct resource wm831x_ldo11_resources[] = {
},
};
-static struct resource wm831x_on_resources[] = {
- {
- .start = WM831X_IRQ_ON,
- .end = WM831X_IRQ_ON,
- .flags = IORESOURCE_IRQ,
- },
+static const struct resource wm831x_on_resources[] = {
+ DEFINE_RES_IRQ(WM831X_IRQ_ON),
};
-static struct resource wm831x_power_resources[] = {
- {
- .name = "SYSLO",
- .start = WM831X_IRQ_PPM_SYSLO,
- .end = WM831X_IRQ_PPM_SYSLO,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "PWR SRC",
- .start = WM831X_IRQ_PPM_PWR_SRC,
- .end = WM831X_IRQ_PPM_PWR_SRC,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "USB CURR",
- .start = WM831X_IRQ_PPM_USB_CURR,
- .end = WM831X_IRQ_PPM_USB_CURR,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "BATT HOT",
- .start = WM831X_IRQ_CHG_BATT_HOT,
- .end = WM831X_IRQ_CHG_BATT_HOT,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "BATT COLD",
- .start = WM831X_IRQ_CHG_BATT_COLD,
- .end = WM831X_IRQ_CHG_BATT_COLD,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "BATT FAIL",
- .start = WM831X_IRQ_CHG_BATT_FAIL,
- .end = WM831X_IRQ_CHG_BATT_FAIL,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "OV",
- .start = WM831X_IRQ_CHG_OV,
- .end = WM831X_IRQ_CHG_OV,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "END",
- .start = WM831X_IRQ_CHG_END,
- .end = WM831X_IRQ_CHG_END,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "TO",
- .start = WM831X_IRQ_CHG_TO,
- .end = WM831X_IRQ_CHG_TO,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "MODE",
- .start = WM831X_IRQ_CHG_MODE,
- .end = WM831X_IRQ_CHG_MODE,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "START",
- .start = WM831X_IRQ_CHG_START,
- .end = WM831X_IRQ_CHG_START,
- .flags = IORESOURCE_IRQ,
- },
+static const struct resource wm831x_power_resources[] = {
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_PPM_SYSLO, "SYSLO"),
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_PPM_PWR_SRC, "PWR SRC"),
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_PPM_USB_CURR, "USB CURR"),
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_CHG_BATT_HOT, "BATT HOT"),
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_CHG_BATT_COLD, "BATT COLD"),
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_CHG_BATT_FAIL, "BATT FAIL"),
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_CHG_OV, "OV"),
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_CHG_END, "END"),
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_CHG_TO, "TO"),
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_CHG_MODE, "MODE"),
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_CHG_START, "START"),
};
-static struct resource wm831x_rtc_resources[] = {
- {
- .name = "PER",
- .start = WM831X_IRQ_RTC_PER,
- .end = WM831X_IRQ_RTC_PER,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "ALM",
- .start = WM831X_IRQ_RTC_ALM,
- .end = WM831X_IRQ_RTC_ALM,
- .flags = IORESOURCE_IRQ,
- },
+static const struct resource wm831x_rtc_resources[] = {
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_RTC_PER, "PER"),
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_RTC_ALM, "ALM"),
};
-static struct resource wm831x_status1_resources[] = {
+static const struct resource wm831x_status1_resources[] = {
{
.start = WM831X_STATUS_LED_1,
.end = WM831X_STATUS_LED_1,
@@ -982,7 +819,7 @@ static struct resource wm831x_status1_resources[] = {
},
};
-static struct resource wm831x_status2_resources[] = {
+static const struct resource wm831x_status2_resources[] = {
{
.start = WM831X_STATUS_LED_2,
.end = WM831X_STATUS_LED_2,
@@ -990,27 +827,13 @@ static struct resource wm831x_status2_resources[] = {
},
};
-static struct resource wm831x_touch_resources[] = {
- {
- .name = "TCHPD",
- .start = WM831X_IRQ_TCHPD,
- .end = WM831X_IRQ_TCHPD,
- .flags = IORESOURCE_IRQ,
- },
- {
- .name = "TCHDATA",
- .start = WM831X_IRQ_TCHDATA,
- .end = WM831X_IRQ_TCHDATA,
- .flags = IORESOURCE_IRQ,
- },
+static const struct resource wm831x_touch_resources[] = {
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_TCHPD, "TCHPD"),
+ DEFINE_RES_IRQ_NAMED(WM831X_IRQ_TCHDATA, "TCHDATA"),
};
-static struct resource wm831x_wdt_resources[] = {
- {
- .start = WM831X_IRQ_WDOG_TO,
- .end = WM831X_IRQ_WDOG_TO,
- .flags = IORESOURCE_IRQ,
- },
+static const struct resource wm831x_wdt_resources[] = {
+ DEFINE_RES_IRQ(WM831X_IRQ_WDOG_TO),
};
static const struct mfd_cell wm8310_devs[] = {
@@ -1606,7 +1429,7 @@ struct regmap_config wm831x_regmap_config = {
.reg_bits = 16,
.val_bits = 16,
- .cache_type = REGCACHE_RBTREE,
+ .cache_type = REGCACHE_MAPLE,
.max_register = WM831X_DBE_CHECK_DATA,
.readable_reg = wm831x_reg_readable,
@@ -1892,14 +1715,6 @@ err:
return ret;
}
-void wm831x_device_exit(struct wm831x *wm831x)
-{
- wm831x_otp_exit(wm831x);
- mfd_remove_devices(wm831x->dev);
- free_irq(wm831x_irq(wm831x, WM831X_IRQ_AUXADC_DATA), wm831x);
- wm831x_irq_exit(wm831x);
-}
-
int wm831x_device_suspend(struct wm831x *wm831x)
{
int reg, mask;
@@ -1944,7 +1759,3 @@ void wm831x_device_shutdown(struct wm831x *wm831x)
}
}
EXPORT_SYMBOL_GPL(wm831x_device_shutdown);
-
-MODULE_DESCRIPTION("Core support for the WM831X AudioPlus PMIC");
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Mark Brown");
generated by cgit (git 2.34.1) at 2025-12-25 14:09:47 +0000