Merge tag 'mfd-next-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "Core Frameworks:
   - Standardise MFD_CELL_* helpers

  New Drivers:
   - Add support for Acer Iconia Tab A500 Embedded Controller

  New Device Support:
   - Add support for ROHM BD9574MWF to BD9571MWV
   - Add support for Intel Alder Lake PCH-P PCI to LPSS
   - Add support for Intel Alder Lake PCH-S PCI to LPSS

  New Functionality:
   - Support ACPI enumeration; arizona

  Fix-ups:
   - Managed resources; bd9571mwv
   - DT additions/fix-ups; bd9571mwv, iqs62x, max8997, gateworks-gsc, ene-kb930
   - Convert to SPDX; bd9571mw
   - Fix return values/error handling; sunxi
   - Provide SOFTDEP; arizona
   - Make use of DIV_ROUND_UP; mcp-sa11x0
   - Use generic APIs; arizona
   - Add MAC address sysfs entries; intel-m10-bmc
   - Trivial: Coding-style fix-ups; iqs62x
   - Trivial: Remove superflouous code; iqs62x
   - Clear-up naming conventions; iqs62x

  Bug Fixes:
   - Fix 'pointer from integer' error; altera-sysmgr
   - Convert SGI_MFD_IOC3 from tristate to bool; Kconfig
   - Fix interrupt handling; gateworks-gsc
   - Extend required delay; iqs62x
   - Do not use I2C polling during calibration; iqs62x
   - Do no adjust clock frequency during calibration; iqs62x
   - Fix use-after-free; wm831x-auxad"

* tag 'mfd-next-5.12' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (32 commits)
  mfd: wm831x-auxadc: Prevent use after free in wm831x_auxadc_read_irq()
  mfd: iqs62x: Do not change clock frequency during ATI
  mfd: iqs62x: Do not poll during ATI
  mfd: iqs62x: Increase interrupt handler return delay
  mfd: iqs62x: Rename regmap_config struct
  mfd: iqs62x: Remove unused bit mask
  mfd: iqs62x: Remove superfluous whitespace above fallthroughs
  mfd: intel-lpss: Add Intel Alder Lake PCH-S PCI IDs
  mfd: intel-m10-bmc: Expose MAC address and count
  mfd: Add driver for Embedded Controller found on Acer Iconia Tab A500
  dt-bindings: mfd: Add ENE KB930 Embedded Controller binding
  dt-bindings: mfd: gateworks-gsc: Add fan-tach mode
  mfd: intel-lpss: Add Intel Alder Lake PCH-P PCI IDs
  mfd: gateworks-gsc: Fix interrupt type
  mfd: Standardise MFD_CELL_* helper names
  mfd: mcp-sa11x0: Use DIV_ROUND_UP to calculate rw_timeout
  mfd: max8997: Add of_compatible to Extcon and Charger mfd_cell
  dt-bindings: mfd: Correct the node name of the panel LED
  mfd: sgi-ioc3: Turn Kconfig option into a bool
  mfd: altera-sysmgr: Fix physical address storing more
  ...

Documentation/ABI/testing/sysfs-driver-intel-m10-bmc

@@ -13,3 +13,24 @@ Contact:	Xu Yilun <yilun.xu@intel.com>
 Description:	Read only. Returns the firmware version of Intel MAX10
 		BMC chip.
 		Format: "0x%x".
+
+What:		/sys/bus/spi/devices/.../mac_address
+Date:		January 2021
+KernelVersion:  5.12
+Contact:	Russ Weight <russell.h.weight@intel.com>
+Description:	Read only. Returns the first MAC address in a block
+		of sequential MAC addresses assigned to the board
+		that is managed by the Intel MAX10 BMC. It is stored in
+		FLASH storage and is mirrored in the MAX10 BMC register
+		space.
+		Format: "%02x:%02x:%02x:%02x:%02x:%02x".
+
+What:		/sys/bus/spi/devices/.../mac_count
+Date:		January 2021
+KernelVersion:  5.12
+Contact:	Russ Weight <russell.h.weight@intel.com>
+Description:	Read only. Returns the number of sequential MAC
+		addresses assigned to the board managed by the Intel
+		MAX10 BMC. This value is stored in FLASH and is mirrored
+		in the MAX10 BMC register space.
+		Format: "%u".

Documentation/devicetree/bindings/mfd/bd9571mwv.txt

-* ROHM BD9571MWV Power Management Integrated Circuit (PMIC) bindings
+* ROHM BD9571MWV/BD9574MWF Power Management Integrated Circuit (PMIC) bindings
 
 Required properties:
- - compatible		: Should be "rohm,bd9571mwv".
+ - compatible		: Should be "rohm,bd9571mwv" or "rohm,bd9574mwf".
  - reg			: I2C slave address.
  - interrupts		: The interrupt line the device is connected to.
  - interrupt-controller	: Marks the device node as an interrupt controller.

Documentation/devicetree/bindings/mfd/ene-kb930.yaml

+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mfd/ene-kb930.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: ENE KB930 Embedded Controller bindings
+
+description: |
+  This binding describes the ENE KB930 Embedded Controller attached to an
+  I2C bus.
+
+maintainers:
+  - Dmitry Osipenko <digetx@gmail.com>
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - acer,a500-iconia-ec # Acer A500 Iconia tablet device
+      - const: ene,kb930
+  reg:
+    maxItems: 1
+
+  monitored-battery: true
+  power-supplies: true
+  system-power-controller: true
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    battery: battery-cell {
+      compatible = "simple-battery";
+      charge-full-design-microamp-hours = <3260000>;
+      energy-full-design-microwatt-hours = <24000000>;
+      operating-range-celsius = <0 40>;
+    };
+
+    mains: ac-adapter {
+      compatible = "gpio-charger";
+      charger-type = "mains";
+      gpios = <&gpio 125 0>;
+    };
+
+    i2c {
+      #address-cells = <1>;
+      #size-cells = <0>;
+
+      embedded-controller@58 {
+        compatible = "acer,a500-iconia-ec", "ene,kb930";
+        reg = <0x58>;
+
+        system-power-controller;
+
+        monitored-battery = <&battery>;
+        power-supplies = <&mains>;
+      };
+    };
+
+...

Documentation/devicetree/bindings/mfd/gateworks-gsc.yaml

@@ -83,8 +83,9 @@ properties:
                 2 - scaled voltage based on an optional resistor divider
                     and optional offset
                 3 - pre-scaled 16-bit voltage value
+                4 - fan tach input to report RPM's
             $ref: /schemas/types.yaml#/definitions/uint32
-            enum: [0, 1, 2, 3]
+            enum: [0, 1, 2, 3, 4]
 
           gw,voltage-divider-ohms:
             description: Values of resistors for divider on raw ADC input

Documentation/devicetree/bindings/mfd/iqs62x.yaml

@@ -93,7 +93,7 @@ examples:
     pwmleds {
             compatible = "pwm-leds";
 
-            panel {
+            led-1 {
                     pwms = <&iqs620a_pwm 0 1000000>;
                     max-brightness = <255>;
             };

drivers/gpio/gpio-bd9571mwv.c

+// SPDX-License-Identifier: GPL-2.0-only
 /*
- * ROHM BD9571MWV-M GPIO driver
+ * ROHM BD9571MWV-M and BD9574MWF-M GPIO driver
  *
  * Copyright (C) 2017 Marek Vasut <marek.vasut+renesas@gmail.com>
  *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed "as is" WITHOUT ANY WARRANTY of any
- * kind, whether expressed or implied; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License version 2 for more details.
- *
  * Based on the TPS65086 driver
  *
  * NOTE: Interrupts are not supported yet.
  */
 
 #include <linux/gpio/driver.h>
+#include <linux/mfd/rohm-generic.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
 
 #include <linux/mfd/bd9571mwv.h>
 
 struct bd9571mwv_gpio {
+	struct regmap *regmap;
 	struct gpio_chip chip;
-	struct bd9571mwv *bd;
 };
 
 static int bd9571mwv_gpio_get_direction(struct gpio_chip *chip,
@@ -34,7 +27,7 @@ static int bd9571mwv_gpio_get_direction(struct gpio_chip *chip,
 	struct bd9571mwv_gpio *gpio = gpiochip_get_data(chip);
 	int ret, val;
 
-	ret = regmap_read(gpio->bd->regmap, BD9571MWV_GPIO_DIR, &val);
+	ret = regmap_read(gpio->regmap, BD9571MWV_GPIO_DIR, &val);
 	if (ret < 0)
 		return ret;
 	if (val & BIT(offset))
@@ -48,8 +41,7 @@ static int bd9571mwv_gpio_direction_input(struct gpio_chip *chip,
 {
 	struct bd9571mwv_gpio *gpio = gpiochip_get_data(chip);
 
-	regmap_update_bits(gpio->bd->regmap, BD9571MWV_GPIO_DIR,
-			   BIT(offset), 0);
+	regmap_update_bits(gpio->regmap, BD9571MWV_GPIO_DIR, BIT(offset), 0);
 
 	return 0;
 }
@@ -60,9 +52,9 @@ static int bd9571mwv_gpio_direction_output(struct gpio_chip *chip,
 	struct bd9571mwv_gpio *gpio = gpiochip_get_data(chip);
 
 	/* Set the initial value */
-	regmap_update_bits(gpio->bd->regmap, BD9571MWV_GPIO_OUT,
+	regmap_update_bits(gpio->regmap, BD9571MWV_GPIO_OUT,
 			   BIT(offset), value ? BIT(offset) : 0);
-	regmap_update_bits(gpio->bd->regmap, BD9571MWV_GPIO_DIR,
+	regmap_update_bits(gpio->regmap, BD9571MWV_GPIO_DIR,
 			   BIT(offset), BIT(offset));
 
 	return 0;
@@ -73,7 +65,7 @@ static int bd9571mwv_gpio_get(struct gpio_chip *chip, unsigned int offset)
 	struct bd9571mwv_gpio *gpio = gpiochip_get_data(chip);
 	int ret, val;
 
-	ret = regmap_read(gpio->bd->regmap, BD9571MWV_GPIO_IN, &val);
+	ret = regmap_read(gpio->regmap, BD9571MWV_GPIO_IN, &val);
 	if (ret < 0)
 		return ret;
 
@@ -85,7 +77,7 @@ static void bd9571mwv_gpio_set(struct gpio_chip *chip, unsigned int offset,
 {
 	struct bd9571mwv_gpio *gpio = gpiochip_get_data(chip);
 
-	regmap_update_bits(gpio->bd->regmap, BD9571MWV_GPIO_OUT,
+	regmap_update_bits(gpio->regmap, BD9571MWV_GPIO_OUT,
 			   BIT(offset), value ? BIT(offset) : 0);
 }
 
@@ -113,9 +105,9 @@ static int bd9571mwv_gpio_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, gpio);
 
-	gpio->bd = dev_get_drvdata(pdev->dev.parent);
+	gpio->regmap = dev_get_regmap(pdev->dev.parent, NULL);
 	gpio->chip = template_chip;
-	gpio->chip.parent = gpio->bd->dev;
+	gpio->chip.parent = pdev->dev.parent;
 
 	ret = devm_gpiochip_add_data(&pdev->dev, &gpio->chip, gpio);
 	if (ret < 0) {
@@ -127,7 +119,8 @@ static int bd9571mwv_gpio_probe(struct platform_device *pdev)
 }
 
 static const struct platform_device_id bd9571mwv_gpio_id_table[] = {
-	{ "bd9571mwv-gpio", },
+	{ "bd9571mwv-gpio", ROHM_CHIP_TYPE_BD9571 },
+	{ "bd9574mwf-gpio", ROHM_CHIP_TYPE_BD9574 },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(platform, bd9571mwv_gpio_id_table);

drivers/mfd/Kconfig

@@ -2085,6 +2085,17 @@ config MFD_KHADAS_MCU
 	  additional drivers must be enabled in order to use the functionality
 	  of the device.
 
+config MFD_ACER_A500_EC
+	tristate "Support for Acer Iconia Tab A500 Embedded Controller"
+	depends on I2C
+	depends on (ARCH_TEGRA_2x_SOC && OF) || COMPILE_TEST
+	select MFD_CORE
+	select REGMAP
+	help
+	  Support for Embedded Controller found on Acer Iconia Tab A500.
+	  The controller itself is ENE KB930, it is running firmware
+	  customized for the specific needs of the Acer A500 hardware.
+
 menu "Multimedia Capabilities Port drivers"
 	depends on ARCH_SA1100
 
@@ -2129,7 +2140,7 @@ config RAVE_SP_CORE
 	  device found on several devices in RAVE line of hardware.
 
 config SGI_MFD_IOC3
-	tristate "SGI IOC3 core driver"
+	bool "SGI IOC3 core driver"
 	depends on PCI && MIPS && 64BIT
 	select MFD_CORE
 	help

drivers/mfd/Makefile

@@ -264,6 +264,7 @@ obj-$(CONFIG_MFD_ROHM_BD71828)	+= rohm-bd71828.o
 obj-$(CONFIG_MFD_ROHM_BD718XX)	+= rohm-bd718x7.o
 obj-$(CONFIG_MFD_STMFX) 	+= stmfx.o
 obj-$(CONFIG_MFD_KHADAS_MCU) 	+= khadas-mcu.o
+obj-$(CONFIG_MFD_ACER_A500_EC)	+= acer-ec-a500.o
 
 obj-$(CONFIG_SGI_MFD_IOC3)	+= ioc3.o
 obj-$(CONFIG_MFD_SIMPLE_MFD_I2C)	+= simple-mfd-i2c.o

drivers/mfd/ab8500-core.c

@@ -609,52 +609,52 @@ int ab8500_suspend(struct ab8500 *ab8500)
 }
 
 static const struct mfd_cell ab8500_bm_devs[] = {
-	OF_MFD_CELL("ab8500-charger", NULL, &ab8500_bm_data,
+	MFD_CELL_OF("ab8500-charger", NULL, &ab8500_bm_data,
 		    sizeof(ab8500_bm_data), 0, "stericsson,ab8500-charger"),
-	OF_MFD_CELL("ab8500-btemp", NULL, &ab8500_bm_data,
+	MFD_CELL_OF("ab8500-btemp", NULL, &ab8500_bm_data,
 		    sizeof(ab8500_bm_data), 0, "stericsson,ab8500-btemp"),
-	OF_MFD_CELL("ab8500-fg", NULL, &ab8500_bm_data,
+	MFD_CELL_OF("ab8500-fg", NULL, &ab8500_bm_data,
 		    sizeof(ab8500_bm_data), 0, "stericsson,ab8500-fg"),
-	OF_MFD_CELL("ab8500-chargalg", NULL, &ab8500_bm_data,
+	MFD_CELL_OF("ab8500-chargalg", NULL, &ab8500_bm_data,
 		    sizeof(ab8500_bm_data), 0, "stericsson,ab8500-chargalg"),
 };
 
 static const struct mfd_cell ab8500_devs[] = {
 #ifdef CONFIG_DEBUG_FS
-	OF_MFD_CELL("ab8500-debug",
+	MFD_CELL_OF("ab8500-debug",
 		    NULL, NULL, 0, 0, "stericsson,ab8500-debug"),
 #endif
-	OF_MFD_CELL("ab8500-sysctrl",
+	MFD_CELL_OF("ab8500-sysctrl",
 		    NULL, NULL, 0, 0, "stericsson,ab8500-sysctrl"),
-	OF_MFD_CELL("ab8500-ext-regulator",
+	MFD_CELL_OF("ab8500-ext-regulator",
 		    NULL, NULL, 0, 0, "stericsson,ab8500-ext-regulator"),
-	OF_MFD_CELL("ab8500-regulator",
+	MFD_CELL_OF("ab8500-regulator",
 		    NULL, NULL, 0, 0, "stericsson,ab8500-regulator"),
-	OF_MFD_CELL("ab8500-clk",
+	MFD_CELL_OF("ab8500-clk",
 		    NULL, NULL, 0, 0, "stericsson,ab8500-clk"),
-	OF_MFD_CELL("ab8500-gpadc",
+	MFD_CELL_OF("ab8500-gpadc",
 		    NULL, NULL, 0, 0, "stericsson,ab8500-gpadc"),
-	OF_MFD_CELL("ab8500-rtc",
+	MFD_CELL_OF("ab8500-rtc",
 		    NULL, NULL, 0, 0, "stericsson,ab8500-rtc"),
-	OF_MFD_CELL("ab8500-acc-det",
+	MFD_CELL_OF("ab8500-acc-det",
 		    NULL, NULL, 0, 0, "stericsson,ab8500-acc-det"),
-	OF_MFD_CELL("ab8500-poweron-key",
+	MFD_CELL_OF("ab8500-poweron-key",
 		    NULL, NULL, 0, 0, "stericsson,ab8500-poweron-key"),
-	OF_MFD_CELL("ab8500-pwm",
+	MFD_CELL_OF("ab8500-pwm",
 		    NULL, NULL, 0, 1, "stericsson,ab8500-pwm"),
-	OF_MFD_CELL("ab8500-pwm",
+	MFD_CELL_OF("ab8500-pwm",
 		    NULL, NULL, 0, 2, "stericsson,ab8500-pwm"),
-	OF_MFD_CELL("ab8500-pwm",
+	MFD_CELL_OF("ab8500-pwm",
 		    NULL, NULL, 0, 3, "stericsson,ab8500-pwm"),
-	OF_MFD_CELL("ab8500-denc",
+	MFD_CELL_OF("ab8500-denc",
 		    NULL, NULL, 0, 0, "stericsson,ab8500-denc"),
-	OF_MFD_CELL("pinctrl-ab8500",
+	MFD_CELL_OF("pinctrl-ab8500",
 		    NULL, NULL, 0, 0, "stericsson,ab8500-gpio"),
-	OF_MFD_CELL("abx500-temp",
+	MFD_CELL_OF("abx500-temp",
 		    NULL, NULL, 0, 0, "stericsson,abx500-temp"),
-	OF_MFD_CELL("ab8500-usb",
+	MFD_CELL_OF("ab8500-usb",
 		    NULL, NULL, 0, 0, "stericsson,ab8500-usb"),
-	OF_MFD_CELL("ab8500-codec",
+	MFD_CELL_OF("ab8500-codec",
 		    NULL, NULL, 0, 0, "stericsson,ab8500-codec"),
 };
 

drivers/mfd/acer-ec-a500.c

+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Acer Iconia Tab A500 Embedded Controller Driver
+ *
+ * Copyright 2020 GRATE-driver project
+ */
+
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <linux/mfd/core.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/reboot.h>
+#include <linux/regmap.h>
+
+#define A500_EC_I2C_ERR_TIMEOUT		500
+#define A500_EC_POWER_CMD_TIMEOUT	1000
+
+/*
+ * Controller's firmware expects specific command opcodes to be used for the
+ * corresponding registers. Unsupported commands are skipped by the firmware.
+ */
+#define CMD_SHUTDOWN			0x0
+#define CMD_WARM_REBOOT			0x0
+#define CMD_COLD_REBOOT			0x1
+
+enum {
+	REG_CURRENT_NOW = 0x03,
+	REG_SHUTDOWN = 0x52,
+	REG_WARM_REBOOT = 0x54,
+	REG_COLD_REBOOT = 0x55,
+};
+
+static struct i2c_client *a500_ec_client_pm_off;
+
+static int a500_ec_read(void *context, const void *reg_buf, size_t reg_size,
+			void *val_buf, size_t val_sizel)
+{
+	struct i2c_client *client = context;
+	unsigned int reg, retries = 5;
+	u16 *ret_val = val_buf;
+	s32 ret = 0;
+
+	reg = *(u8 *)reg_buf;
+
+	while (retries-- > 0) {
+		ret = i2c_smbus_read_word_data(client, reg);
+		if (ret >= 0)
+			break;
+
+		msleep(A500_EC_I2C_ERR_TIMEOUT);
+	}
+
+	if (ret < 0) {
+		dev_err(&client->dev, "read 0x%x failed: %d\n", reg, ret);
+		return ret;
+	}
+
+	*ret_val = ret;
+
+	if (reg == REG_CURRENT_NOW)
+		fsleep(10000);
+
+	return 0;
+}
+
+static int a500_ec_write(void *context, const void *data, size_t count)
+{
+	struct i2c_client *client = context;
+	unsigned int reg, val, retries = 5;
+	s32 ret = 0;
+
+	reg = *(u8  *)(data + 0);
+	val = *(u16 *)(data + 1);
+
+	while (retries-- > 0) {
+		ret = i2c_smbus_write_word_data(client, reg, val);
+		if (ret >= 0)
+			break;
+
+		msleep(A500_EC_I2C_ERR_TIMEOUT);
+	}
+
+	if (ret < 0) {
+		dev_err(&client->dev, "write 0x%x failed: %d\n", reg, ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+static const struct regmap_config a500_ec_regmap_config = {
+	.name = "KB930",
+	.reg_bits = 8,
+	.val_bits = 16,
+	.max_register = 0xff,
+};
+
+static const struct regmap_bus a500_ec_regmap_bus = {
+	.reg_format_endian_default = REGMAP_ENDIAN_NATIVE,
+	.val_format_endian_default = REGMAP_ENDIAN_LITTLE,
+	.write = a500_ec_write,
+	.read = a500_ec_read,
+	.max_raw_read = 2,
+};
+
+static void a500_ec_poweroff(void)
+{
+	i2c_smbus_write_word_data(a500_ec_client_pm_off,
+				  REG_SHUTDOWN, CMD_SHUTDOWN);
+
+	mdelay(A500_EC_POWER_CMD_TIMEOUT);
+}
+
+static int a500_ec_restart_notify(struct notifier_block *this,
+				  unsigned long reboot_mode, void *data)
+{
+	if (reboot_mode == REBOOT_WARM)
+		i2c_smbus_write_word_data(a500_ec_client_pm_off,
+					  REG_WARM_REBOOT, CMD_WARM_REBOOT);
+	else
+		i2c_smbus_write_word_data(a500_ec_client_pm_off,
+					  REG_COLD_REBOOT, CMD_COLD_REBOOT);
+
+	mdelay(A500_EC_POWER_CMD_TIMEOUT);
+
+	return NOTIFY_DONE;
+}
+
+static struct notifier_block a500_ec_restart_handler = {
+	.notifier_call = a500_ec_restart_notify,
+	.priority = 200,
+};
+
+static const struct mfd_cell a500_ec_cells[] = {
+	{ .name = "acer-a500-iconia-battery", },
+	{ .name = "acer-a500-iconia-leds", },
+};
+
+static int a500_ec_probe(struct i2c_client *client)
+{
+	struct regmap *regmap;
+	int err;
+
+	regmap = devm_regmap_init(&client->dev, &a500_ec_regmap_bus,
+				  client, &a500_ec_regmap_config);
+	if (IS_ERR(regmap))
+		return PTR_ERR(regmap);
+
+	err = devm_mfd_add_devices(&client->dev, PLATFORM_DEVID_AUTO,
+				   a500_ec_cells, ARRAY_SIZE(a500_ec_cells),
+				   NULL, 0, NULL);
+	if (err) {
+		dev_err(&client->dev, "failed to add sub-devices: %d\n", err);
+		return err;
+	}
+
+	if (of_device_is_system_power_controller(client->dev.of_node)) {
+		a500_ec_client_pm_off = client;
+
+		err = register_restart_handler(&a500_ec_restart_handler);
+		if (err)
+			return err;
+
+		if (!pm_power_off)
+			pm_power_off = a500_ec_poweroff;
+	}
+
+	return 0;
+}
+
+static int a500_ec_remove(struct i2c_client *client)
+{
+	if (of_device_is_system_power_controller(client->dev.of_node)) {
+		if (pm_power_off == a500_ec_poweroff)
+			pm_power_off = NULL;
+
+		unregister_restart_handler(&a500_ec_restart_handler);
+	}
+
+	return 0;
+}
+
+static const struct of_device_id a500_ec_match[] = {
+	{ .compatible = "acer,a500-iconia-ec" },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, a500_ec_match);
+
+static struct i2c_driver a500_ec_driver = {
+	.driver = {
+		.name = "acer-a500-embedded-controller",
+		.of_match_table = a500_ec_match,
+	},
+	.probe_new = a500_ec_probe,
+	.remove = a500_ec_remove,
+};
+module_i2c_driver(a500_ec_driver);
+
+MODULE_DESCRIPTION("Acer Iconia Tab A500 Embedded Controller driver");
+MODULE_AUTHOR("Dmitry Osipenko <digetx@gmail.com>");
+MODULE_LICENSE("GPL");

drivers/mfd/altera-sysmgr.c

@@ -145,7 +145,8 @@ static int sysmgr_probe(struct platform_device *pdev)
 		sysmgr_config.reg_write = s10_protected_reg_write;
 
 		/* Need physical address for SMCC call */
-		regmap = devm_regmap_init(dev, NULL, (void *)res->start,
+		regmap = devm_regmap_init(dev, NULL,
+					  (void *)(uintptr_t)res->start,
 					  &sysmgr_config);
 	} else {
 		base = devm_ioremap(dev, res->start, resource_size(res));

drivers/mfd/bd9571mwv.c

+// SPDX-License-Identifier: GPL-2.0-only
 /*
- * ROHM BD9571MWV-M MFD driver
+ * ROHM BD9571MWV-M and BD9574MVF-M core driver
  *
  * Copyright (C) 2017 Marek Vasut <marek.vasut+renesas@gmail.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed "as is" WITHOUT ANY WARRANTY of any
- * kind, whether expressed or implied; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License version 2 for more details.
+ * Copyright (C) 2020 Renesas Electronics Corporation
  *
  * Based on the TPS65086 driver
  */
@@ -18,6 +11,7 @@
 #include <linux/i2c.h>
 #include <linux/interrupt.h>
 #include <linux/mfd/core.h>
+#include <linux/mfd/rohm-generic.h>
 #include <linux/module.h>
 
 #include <linux/mfd/bd9571mwv.h>
@@ -110,13 +104,78 @@ static struct regmap_irq_chip bd9571mwv_irq_chip = {
 	.num_irqs	= ARRAY_SIZE(bd9571mwv_irqs),
 };
 
-static int bd9571mwv_identify(struct bd9571mwv *bd)
+static const struct mfd_cell bd9574mwf_cells[] = {
+	{ .name = "bd9574mwf-regulator", },
+	{ .name = "bd9574mwf-gpio", },
+};
+
+static const struct regmap_range bd9574mwf_readable_yes_ranges[] = {
+	regmap_reg_range(BD9571MWV_VENDOR_CODE, BD9571MWV_PRODUCT_REVISION),
+	regmap_reg_range(BD9571MWV_BKUP_MODE_CNT, BD9571MWV_BKUP_MODE_CNT),
+	regmap_reg_range(BD9571MWV_DVFS_VINIT, BD9571MWV_DVFS_SETVMAX),
+	regmap_reg_range(BD9571MWV_DVFS_SETVID, BD9571MWV_DVFS_MONIVDAC),
+	regmap_reg_range(BD9571MWV_GPIO_IN, BD9571MWV_GPIO_IN),
+	regmap_reg_range(BD9571MWV_GPIO_INT, BD9571MWV_GPIO_INTMASK),
+	regmap_reg_range(BD9571MWV_INT_INTREQ, BD9571MWV_INT_INTMASK),
+};
+
+static const struct regmap_access_table bd9574mwf_readable_table = {
+	.yes_ranges	= bd9574mwf_readable_yes_ranges,
+	.n_yes_ranges	= ARRAY_SIZE(bd9574mwf_readable_yes_ranges),
+};
+
+static const struct regmap_range bd9574mwf_writable_yes_ranges[] = {
+	regmap_reg_range(BD9571MWV_BKUP_MODE_CNT, BD9571MWV_BKUP_MODE_CNT),
+	regmap_reg_range(BD9571MWV_DVFS_SETVID, BD9571MWV_DVFS_SETVID),
+	regmap_reg_range(BD9571MWV_GPIO_DIR, BD9571MWV_GPIO_OUT),
+	regmap_reg_range(BD9571MWV_GPIO_INT_SET, BD9571MWV_GPIO_INTMASK),
+	regmap_reg_range(BD9571MWV_INT_INTREQ, BD9571MWV_INT_INTMASK),
+};
+
+static const struct regmap_access_table bd9574mwf_writable_table = {
+	.yes_ranges	= bd9574mwf_writable_yes_ranges,
+	.n_yes_ranges	= ARRAY_SIZE(bd9574mwf_writable_yes_ranges),
+};
+
+static const struct regmap_range bd9574mwf_volatile_yes_ranges[] = {
+	regmap_reg_range(BD9571MWV_DVFS_MONIVDAC, BD9571MWV_DVFS_MONIVDAC),
+	regmap_reg_range(BD9571MWV_GPIO_IN, BD9571MWV_GPIO_IN),
+	regmap_reg_range(BD9571MWV_GPIO_INT, BD9571MWV_GPIO_INT),
+	regmap_reg_range(BD9571MWV_INT_INTREQ, BD9571MWV_INT_INTREQ),
+};
+
+static const struct regmap_access_table bd9574mwf_volatile_table = {
+	.yes_ranges	= bd9574mwf_volatile_yes_ranges,
+	.n_yes_ranges	= ARRAY_SIZE(bd9574mwf_volatile_yes_ranges),
+};
+
+static const struct regmap_config bd9574mwf_regmap_config = {
+	.reg_bits	= 8,
+	.val_bits	= 8,
+	.cache_type	= REGCACHE_RBTREE,
+	.rd_table	= &bd9574mwf_readable_table,
+	.wr_table	= &bd9574mwf_writable_table,
+	.volatile_table	= &bd9574mwf_volatile_table,
+	.max_register	= 0xff,
+};
+
+static struct regmap_irq_chip bd9574mwf_irq_chip = {
+	.name		= "bd9574mwf",
+	.status_base	= BD9571MWV_INT_INTREQ,
+	.mask_base	= BD9571MWV_INT_INTMASK,
+	.ack_base	= BD9571MWV_INT_INTREQ,
+	.init_ack_masked = true,
+	.num_regs	= 1,
+	.irqs		= bd9571mwv_irqs,
+	.num_irqs	= ARRAY_SIZE(bd9571mwv_irqs),
+};
+
+static int bd957x_identify(struct device *dev, struct regmap *regmap)
 {
-	struct device *dev = bd->dev;
 	unsigned int value;
 	int ret;
 
-	ret = regmap_read(bd->regmap, BD9571MWV_VENDOR_CODE, &value);
+	ret = regmap_read(regmap, BD9571MWV_VENDOR_CODE, &value);
 	if (ret) {
 		dev_err(dev, "Failed to read vendor code register (ret=%i)\n",
 			ret);
@@ -129,84 +188,82 @@ static int bd9571mwv_identify(struct bd9571mwv *bd)
 		return -EINVAL;
 	}
 
-	ret = regmap_read(bd->regmap, BD9571MWV_PRODUCT_CODE, &value);
+	ret = regmap_read(regmap, BD9571MWV_PRODUCT_CODE, &value);
 	if (ret) {
 		dev_err(dev, "Failed to read product code register (ret=%i)\n",
 			ret);
 		return ret;
 	}
-
-	if (value != BD9571MWV_PRODUCT_CODE_VAL) {
-		dev_err(dev, "Invalid product code ID %02x (expected %02x)\n",
-			value, BD9571MWV_PRODUCT_CODE_VAL);
-		return -EINVAL;
-	}
-
-	ret = regmap_read(bd->regmap, BD9571MWV_PRODUCT_REVISION, &value);
+	ret = regmap_read(regmap, BD9571MWV_PRODUCT_REVISION, &value);
 	if (ret) {
 		dev_err(dev, "Failed to read revision register (ret=%i)\n",
 			ret);
 		return ret;
 	}
 
-	dev_info(dev, "Device: BD9571MWV rev. %d\n", value & 0xff);
-
 	return 0;
 }
 
 static int bd9571mwv_probe(struct i2c_client *client,
-			  const struct i2c_device_id *ids)
+			   const struct i2c_device_id *ids)
 {
-	struct bd9571mwv *bd;
-	int ret;
-
-	bd = devm_kzalloc(&client->dev, sizeof(*bd), GFP_KERNEL);
-	if (!bd)
-		return -ENOMEM;
+	const struct regmap_config *regmap_config;
+	const struct regmap_irq_chip *irq_chip;
+	const struct mfd_cell *cells;
+	struct device *dev = &client->dev;
+	struct regmap *regmap;
+	struct regmap_irq_chip_data *irq_data;
+	int ret, num_cells, irq = client->irq;
+
+	/* Read the PMIC product code */
+	ret = i2c_smbus_read_byte_data(client, BD9571MWV_PRODUCT_CODE);
+	if (ret < 0) {
+		dev_err(dev, "Failed to read product code\n");
+		return ret;
+	}
 
-	i2c_set_clientdata(client, bd);
-	bd->dev = &client->dev;
-	bd->irq = client->irq;
+	switch (ret) {
+	case BD9571MWV_PRODUCT_CODE_BD9571MWV:
+		regmap_config = &bd9571mwv_regmap_config;
+		irq_chip = &bd9571mwv_irq_chip;
+		cells = bd9571mwv_cells;
+		num_cells = ARRAY_SIZE(bd9571mwv_cells);
+		break;
+	case BD9571MWV_PRODUCT_CODE_BD9574MWF:
+		regmap_config = &bd9574mwf_regmap_config;
+		irq_chip = &bd9574mwf_irq_chip;
+		cells = bd9574mwf_cells;
+		num_cells = ARRAY_SIZE(bd9574mwf_cells);
+		break;
+	default:
+		dev_err(dev, "Unsupported device 0x%x\n", ret);
+		return -ENODEV;
+	}
 
-	bd->regmap = devm_regmap_init_i2c(client, &bd9571mwv_regmap_config);
-	if (IS_ERR(bd->regmap)) {
-		dev_err(bd->dev, "Failed to initialize register map\n");
-		return PTR_ERR(bd->regmap);
+	regmap = devm_regmap_init_i2c(client, regmap_config);
+	if (IS_ERR(regmap)) {
+		dev_err(dev, "Failed to initialize register map\n");
+		return PTR_ERR(regmap);
 	}
 
-	ret = bd9571mwv_identify(bd);
+	ret = bd957x_identify(dev, regmap);
 	if (ret)
 		return ret;
 
-	ret = regmap_add_irq_chip(bd->regmap, bd->irq, IRQF_ONESHOT, 0,
-				  &bd9571mwv_irq_chip, &bd->irq_data);
-	if (ret) {
-		dev_err(bd->dev, "Failed to register IRQ chip\n");
-		return ret;
-	}
-
-	ret = mfd_add_devices(bd->dev, PLATFORM_DEVID_AUTO, bd9571mwv_cells,
-			      ARRAY_SIZE(bd9571mwv_cells), NULL, 0,
-			      regmap_irq_get_domain(bd->irq_data));
+	ret = devm_regmap_add_irq_chip(dev, regmap, irq, IRQF_ONESHOT, 0,
+				       irq_chip, &irq_data);
 	if (ret) {
-		regmap_del_irq_chip(bd->irq, bd->irq_data);
+		dev_err(dev, "Failed to register IRQ chip\n");
 		return ret;
 	}
 
-	return 0;
-}
-
-static int bd9571mwv_remove(struct i2c_client *client)
-{
-	struct bd9571mwv *bd = i2c_get_clientdata(client);
-
-	regmap_del_irq_chip(bd->irq, bd->irq_data);
-
-	return 0;
+	return devm_mfd_add_devices(dev, PLATFORM_DEVID_AUTO, cells, num_cells,
+				    NULL, 0, regmap_irq_get_domain(irq_data));
 }
 
 static const struct of_device_id bd9571mwv_of_match_table[] = {
 	{ .compatible = "rohm,bd9571mwv", },
+	{ .compatible = "rohm,bd9574mwf", },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, bd9571mwv_of_match_table);
@@ -223,7 +280,6 @@ static struct i2c_driver bd9571mwv_driver = {
 		.of_match_table = bd9571mwv_of_match_table,
 	},
 	.probe		= bd9571mwv_probe,
-	.remove		= bd9571mwv_remove,
 	.id_table       = bd9571mwv_id_table,
 };
 module_i2c_driver(bd9571mwv_driver);

drivers/mfd/db8500-prcmu.c

@@ -2954,12 +2954,12 @@ static const struct mfd_cell common_prcmu_devs[] = {
 };
 
 static const struct mfd_cell db8500_prcmu_devs[] = {
-	OF_MFD_CELL("db8500-prcmu-regulators", NULL,
+	MFD_CELL_OF("db8500-prcmu-regulators", NULL,
 		    &db8500_regulators, sizeof(db8500_regulators), 0,
 		    "stericsson,db8500-prcmu-regulator"),
-	OF_MFD_CELL("cpuidle-dbx500",
+	MFD_CELL_OF("cpuidle-dbx500",
 		    NULL, NULL, 0, 0, "stericsson,cpuidle-dbx500"),
-	OF_MFD_CELL("db8500-thermal",
+	MFD_CELL_OF("db8500-thermal",
 		    NULL, NULL, 0, 0, "stericsson,db8500-thermal"),
 };
 

drivers/mfd/gateworks-gsc.c

@@ -234,7 +234,7 @@ static int gsc_probe(struct i2c_client *client)
 
 	ret = devm_regmap_add_irq_chip(dev, gsc->regmap, client->irq,
 				       IRQF_ONESHOT | IRQF_SHARED |
-				       IRQF_TRIGGER_FALLING, 0,
+				       IRQF_TRIGGER_LOW, 0,
 				       &gsc_irq_chip, &irq_data);
 	if (ret)
 		return ret;

drivers/mfd/intel-lpss-pci.c

@@ -277,6 +277,19 @@ static const struct pci_device_id intel_lpss_pci_ids[] = {
 	{ PCI_VDEVICE(INTEL, 0x4dea), (kernel_ulong_t)&bxt_i2c_info },
 	{ PCI_VDEVICE(INTEL, 0x4deb), (kernel_ulong_t)&bxt_i2c_info },
 	{ PCI_VDEVICE(INTEL, 0x4dfb), (kernel_ulong_t)&spt_info },
+	/* ADL-P */
+	{ PCI_VDEVICE(INTEL, 0x51a8), (kernel_ulong_t)&bxt_uart_info },
+	{ PCI_VDEVICE(INTEL, 0x51a9), (kernel_ulong_t)&bxt_uart_info },
+	{ PCI_VDEVICE(INTEL, 0x51aa), (kernel_ulong_t)&bxt_info },
+	{ PCI_VDEVICE(INTEL, 0x51ab), (kernel_ulong_t)&bxt_info },
+	{ PCI_VDEVICE(INTEL, 0x51c5), (kernel_ulong_t)&bxt_i2c_info },
+	{ PCI_VDEVICE(INTEL, 0x51c6), (kernel_ulong_t)&bxt_i2c_info },
+	{ PCI_VDEVICE(INTEL, 0x51c7), (kernel_ulong_t)&bxt_uart_info },
+	{ PCI_VDEVICE(INTEL, 0x51e8), (kernel_ulong_t)&bxt_i2c_info },
+	{ PCI_VDEVICE(INTEL, 0x51e9), (kernel_ulong_t)&bxt_i2c_info },
+	{ PCI_VDEVICE(INTEL, 0x51ea), (kernel_ulong_t)&bxt_i2c_info },
+	{ PCI_VDEVICE(INTEL, 0x51eb), (kernel_ulong_t)&bxt_i2c_info },
+	{ PCI_VDEVICE(INTEL, 0x51fb), (kernel_ulong_t)&bxt_info },
 	/* APL */
 	{ PCI_VDEVICE(INTEL, 0x5aac), (kernel_ulong_t)&apl_i2c_info },
 	{ PCI_VDEVICE(INTEL, 0x5aae), (kernel_ulong_t)&apl_i2c_info },
@@ -293,6 +306,21 @@ static const struct pci_device_id intel_lpss_pci_ids[] = {
 	{ PCI_VDEVICE(INTEL, 0x5ac4), (kernel_ulong_t)&bxt_info },
 	{ PCI_VDEVICE(INTEL, 0x5ac6), (kernel_ulong_t)&bxt_info },
 	{ PCI_VDEVICE(INTEL, 0x5aee), (kernel_ulong_t)&bxt_uart_info },
+	/* ADL-S */
+	{ PCI_VDEVICE(INTEL, 0x7aa8), (kernel_ulong_t)&bxt_uart_info },
+	{ PCI_VDEVICE(INTEL, 0x7aa9), (kernel_ulong_t)&bxt_uart_info },
+	{ PCI_VDEVICE(INTEL, 0x7aaa), (kernel_ulong_t)&bxt_info },
+	{ PCI_VDEVICE(INTEL, 0x7aab), (kernel_ulong_t)&bxt_info },
+	{ PCI_VDEVICE(INTEL, 0x7acc), (kernel_ulong_t)&bxt_i2c_info },
+	{ PCI_VDEVICE(INTEL, 0x7acd), (kernel_ulong_t)&bxt_i2c_info },
+	{ PCI_VDEVICE(INTEL, 0x7ace), (kernel_ulong_t)&bxt_i2c_info },
+	{ PCI_VDEVICE(INTEL, 0x7acf), (kernel_ulong_t)&bxt_i2c_info },
+	{ PCI_VDEVICE(INTEL, 0x7adc), (kernel_ulong_t)&bxt_uart_info },
+	{ PCI_VDEVICE(INTEL, 0x7af9), (kernel_ulong_t)&bxt_info },
+	{ PCI_VDEVICE(INTEL, 0x7afb), (kernel_ulong_t)&bxt_info },
+	{ PCI_VDEVICE(INTEL, 0x7afc), (kernel_ulong_t)&bxt_i2c_info },
+	{ PCI_VDEVICE(INTEL, 0x7afd), (kernel_ulong_t)&bxt_i2c_info },
+	{ PCI_VDEVICE(INTEL, 0x7afe), (kernel_ulong_t)&bxt_uart_info },
 	/* LKF */
 	{ PCI_VDEVICE(INTEL, 0x98a8), (kernel_ulong_t)&bxt_uart_info },
 	{ PCI_VDEVICE(INTEL, 0x98a9), (kernel_ulong_t)&bxt_uart_info },

drivers/mfd/intel-m10-bmc.c

@@ -60,9 +60,52 @@ static ssize_t bmcfw_version_show(struct device *dev,
 }
 static DEVICE_ATTR_RO(bmcfw_version);
 
+static ssize_t mac_address_show(struct device *dev,
+				struct device_attribute *attr, char *buf)
+{
+	struct intel_m10bmc *max10 = dev_get_drvdata(dev);
+	unsigned int macaddr_low, macaddr_high;
+	int ret;
+
+	ret = m10bmc_sys_read(max10, M10BMC_MAC_LOW, &macaddr_low);
+	if (ret)
+		return ret;
+
+	ret = m10bmc_sys_read(max10, M10BMC_MAC_HIGH, &macaddr_high);
+	if (ret)
+		return ret;
+
+	return sysfs_emit(buf, "%02x:%02x:%02x:%02x:%02x:%02x\n",
+			  (u8)FIELD_GET(M10BMC_MAC_BYTE1, macaddr_low),
+			  (u8)FIELD_GET(M10BMC_MAC_BYTE2, macaddr_low),
+			  (u8)FIELD_GET(M10BMC_MAC_BYTE3, macaddr_low),
+			  (u8)FIELD_GET(M10BMC_MAC_BYTE4, macaddr_low),
+			  (u8)FIELD_GET(M10BMC_MAC_BYTE5, macaddr_high),
+			  (u8)FIELD_GET(M10BMC_MAC_BYTE6, macaddr_high));
+}
+static DEVICE_ATTR_RO(mac_address);
+
+static ssize_t mac_count_show(struct device *dev,
+			      struct device_attribute *attr, char *buf)
+{
+	struct intel_m10bmc *max10 = dev_get_drvdata(dev);
+	unsigned int macaddr_high;
+	int ret;
+
+	ret = m10bmc_sys_read(max10, M10BMC_MAC_HIGH, &macaddr_high);
+	if (ret)
+		return ret;
+
+	return sysfs_emit(buf, "%u\n",
+			  (u8)FIELD_GET(M10BMC_MAC_COUNT, macaddr_high));
+}
+static DEVICE_ATTR_RO(mac_count);
+
 static struct attribute *m10bmc_attrs[] = {
 	&dev_attr_bmc_version.attr,
 	&dev_attr_bmcfw_version.attr,
+	&dev_attr_mac_address.attr,
+	&dev_attr_mac_count.attr,
 	NULL,
 };
 ATTRIBUTE_GROUPS(m10bmc);

drivers/mfd/iqs62x.c

@@ -36,7 +36,6 @@
 #define IQS62X_PROD_NUM				0x00
 
 #define IQS62X_SYS_FLAGS			0x10
-#define IQS62X_SYS_FLAGS_IN_ATI			BIT(2)
 
 #define IQS620_HALL_FLAGS			0x16
 #define IQS621_HALL_FLAGS			0x19
@@ -57,10 +56,10 @@
 #define IQS620_TEMP_CAL_OFFS			0xC4
 
 #define IQS62X_SYS_SETTINGS			0xD0
-#define IQS62X_SYS_SETTINGS_SOFT_RESET		BIT(7)
 #define IQS62X_SYS_SETTINGS_ACK_RESET		BIT(6)
 #define IQS62X_SYS_SETTINGS_EVENT_MODE		BIT(5)
 #define IQS62X_SYS_SETTINGS_CLK_DIV		BIT(4)
+#define IQS62X_SYS_SETTINGS_COMM_ATI		BIT(3)
 #define IQS62X_SYS_SETTINGS_REDO_ATI		BIT(1)
 
 #define IQS62X_PWR_SETTINGS			0xD2
@@ -82,9 +81,8 @@
 #define IQS62X_FW_REC_TYPE_MASK			3
 #define IQS62X_FW_REC_TYPE_DATA			4
 
-#define IQS62X_ATI_POLL_SLEEP_US		10000
-#define IQS62X_ATI_POLL_TIMEOUT_US		500000
-#define IQS62X_ATI_STABLE_DELAY_MS		150
+#define IQS62X_ATI_STARTUP_MS			350
+#define IQS62X_FILT_SETTLE_MS			250
 
 struct iqs62x_fw_rec {
 	u8 type;
@@ -112,9 +110,16 @@ static int iqs62x_dev_init(struct iqs62x_core *iqs62x)
 	struct iqs62x_fw_blk *fw_blk;
 	unsigned int val;
 	int ret;
-	u8 clk_div = 1;
 
 	list_for_each_entry(fw_blk, &iqs62x->fw_blk_head, list) {
+		/*
+		 * In case ATI is in progress, wait for it to complete before
+		 * lowering the core clock frequency.
+		 */
+		if (fw_blk->addr == IQS62X_SYS_SETTINGS &&
+		    *fw_blk->data & IQS62X_SYS_SETTINGS_CLK_DIV)
+			msleep(IQS62X_ATI_STARTUP_MS);
+
 		if (fw_blk->mask)
 			ret = regmap_update_bits(iqs62x->regmap, fw_blk->addr,
 						 fw_blk->mask, *fw_blk->data);
@@ -135,7 +140,6 @@ static int iqs62x_dev_init(struct iqs62x_core *iqs62x)
 
 		if (val & IQS620_PROX_SETTINGS_4_SAR_EN)
 			iqs62x->ui_sel = IQS62X_UI_SAR1;
-
 		fallthrough;
 
 	case IQS621_PROD_NUM:
@@ -183,28 +187,32 @@ static int iqs62x_dev_init(struct iqs62x_core *iqs62x)
 			return ret;
 	}
 
-	ret = regmap_read(iqs62x->regmap, IQS62X_SYS_SETTINGS, &val);
-	if (ret)
-		return ret;
-
-	if (val & IQS62X_SYS_SETTINGS_CLK_DIV)
-		clk_div = iqs62x->dev_desc->clk_div;
-
-	ret = regmap_write(iqs62x->regmap, IQS62X_SYS_SETTINGS, val |
-			   IQS62X_SYS_SETTINGS_ACK_RESET |
-			   IQS62X_SYS_SETTINGS_EVENT_MODE |
-			   IQS62X_SYS_SETTINGS_REDO_ATI);
-	if (ret)
-		return ret;
-
-	ret = regmap_read_poll_timeout(iqs62x->regmap, IQS62X_SYS_FLAGS, val,
-				       !(val & IQS62X_SYS_FLAGS_IN_ATI),
-				       IQS62X_ATI_POLL_SLEEP_US,
-				       IQS62X_ATI_POLL_TIMEOUT_US * clk_div);
+	/*
+	 * Place the device in streaming mode at first so as not to miss the
+	 * limited number of interrupts that would otherwise occur after ATI
+	 * completes. The device is subsequently placed in event mode by the
+	 * interrupt handler.
+	 *
+	 * In the meantime, mask interrupts during ATI to prevent the device
+	 * from soliciting I2C traffic until the noise-sensitive ATI process
+	 * is complete.
+	 */
+	ret = regmap_update_bits(iqs62x->regmap, IQS62X_SYS_SETTINGS,
+				 IQS62X_SYS_SETTINGS_ACK_RESET |
+				 IQS62X_SYS_SETTINGS_EVENT_MODE |
+				 IQS62X_SYS_SETTINGS_COMM_ATI |
+				 IQS62X_SYS_SETTINGS_REDO_ATI,
+				 IQS62X_SYS_SETTINGS_ACK_RESET |
+				 IQS62X_SYS_SETTINGS_REDO_ATI);
 	if (ret)
 		return ret;
 
-	msleep(IQS62X_ATI_STABLE_DELAY_MS * clk_div);
+	/*
+	 * The following delay gives the device time to deassert its RDY output
+	 * in case a communication window was open while the REDO_ATI field was
+	 * written. This prevents an interrupt from being serviced prematurely.
+	 */
+	usleep_range(5000, 5100);
 
 	return 0;
 }
@@ -435,6 +443,11 @@ const struct iqs62x_event_desc iqs62x_events[IQS62X_NUM_EVENTS] = {
 		.mask	= BIT(7),
 		.val	= BIT(7),
 	},
+	[IQS62X_EVENT_SYS_ATI] = {
+		.reg	= IQS62X_EVENT_SYS,
+		.mask	= BIT(2),
+		.val	= BIT(2),
+	},
 };
 EXPORT_SYMBOL_GPL(iqs62x_events);
 
@@ -469,7 +482,6 @@ static irqreturn_t iqs62x_irq(int irq, void *context)
 		switch (event_reg) {
 		case IQS62X_EVENT_UI_LO:
 			event_data.ui_data = get_unaligned_le16(&event_map[i]);
-
 			fallthrough;
 
 		case IQS62X_EVENT_UI_HI:
@@ -490,7 +502,6 @@ static irqreturn_t iqs62x_irq(int irq, void *context)
 
 		case IQS62X_EVENT_HYST:
 			event_map[i] <<= iqs62x->dev_desc->hyst_shift;
-
 			fallthrough;
 
 		case IQS62X_EVENT_WHEEL:
@@ -525,19 +536,46 @@ static irqreturn_t iqs62x_irq(int irq, void *context)
 				"Failed to re-initialize device: %d\n", ret);
 			return IRQ_NONE;
 		}
+
+		iqs62x->event_cache |= BIT(IQS62X_EVENT_SYS_RESET);
+		reinit_completion(&iqs62x->ati_done);
+	} else if (event_flags & BIT(IQS62X_EVENT_SYS_ATI)) {
+		iqs62x->event_cache |= BIT(IQS62X_EVENT_SYS_ATI);
+		reinit_completion(&iqs62x->ati_done);
+	} else if (!completion_done(&iqs62x->ati_done)) {
+		ret = regmap_update_bits(iqs62x->regmap, IQS62X_SYS_SETTINGS,
+					 IQS62X_SYS_SETTINGS_EVENT_MODE, 0xFF);
+		if (ret) {
+			dev_err(&client->dev,
+				"Failed to enable event mode: %d\n", ret);
+			return IRQ_NONE;
+		}
+
+		msleep(IQS62X_FILT_SETTLE_MS);
+		complete_all(&iqs62x->ati_done);
 	}
 
-	ret = blocking_notifier_call_chain(&iqs62x->nh, event_flags,
-					   &event_data);
-	if (ret & NOTIFY_STOP_MASK)
-		return IRQ_NONE;
+	/*
+	 * Reset and ATI events are not broadcast to the sub-device drivers
+	 * until ATI has completed. Any other events that may have occurred
+	 * during ATI are ignored.
+	 */
+	if (completion_done(&iqs62x->ati_done)) {
+		event_flags |= iqs62x->event_cache;
+		ret = blocking_notifier_call_chain(&iqs62x->nh, event_flags,
+						   &event_data);
+		if (ret & NOTIFY_STOP_MASK)
+			return IRQ_NONE;
+
+		iqs62x->event_cache = 0;
+	}
 
 	/*
 	 * Once the communication window is closed, a small delay is added to
 	 * ensure the device's RDY output has been deasserted by the time the
 	 * interrupt handler returns.
 	 */
-	usleep_range(50, 100);
+	usleep_range(150, 200);
 
 	return IRQ_HANDLED;
 }
@@ -571,6 +609,12 @@ static void iqs62x_firmware_load(const struct firmware *fw, void *context)
 		goto err_out;
 	}
 
+	if (!wait_for_completion_timeout(&iqs62x->ati_done,
+					 msecs_to_jiffies(2000))) {
+		dev_err(&client->dev, "Failed to complete ATI\n");
+		goto err_out;
+	}
+
 	ret = devm_mfd_add_devices(&client->dev, PLATFORM_DEVID_NONE,
 				   iqs62x->dev_desc->sub_devs,
 				   iqs62x->dev_desc->num_sub_devs,
@@ -752,22 +796,17 @@ static const struct iqs62x_dev_desc iqs62x_devs[] = {
 		.dev_name	= "iqs620at",
 		.sub_devs	= iqs620at_sub_devs,
 		.num_sub_devs	= ARRAY_SIZE(iqs620at_sub_devs),
-
 		.prod_num	= IQS620_PROD_NUM,
 		.sw_num		= 0x08,
 		.cal_regs	= iqs620at_cal_regs,
 		.num_cal_regs	= ARRAY_SIZE(iqs620at_cal_regs),
-
 		.prox_mask	= BIT(0),
 		.sar_mask	= BIT(1) | BIT(7),
 		.hall_mask	= BIT(2),
 		.hyst_mask	= BIT(3),
 		.temp_mask	= BIT(4),
-
 		.prox_settings	= IQS620_PROX_SETTINGS_4,
 		.hall_flags	= IQS620_HALL_FLAGS,
-
-		.clk_div	= 4,
 		.fw_name	= "iqs620a.bin",
 		.event_regs	= &iqs620a_event_regs[IQS62X_UI_PROX],
 	},
@@ -775,20 +814,15 @@ static const struct iqs62x_dev_desc iqs62x_devs[] = {
 		.dev_name	= "iqs620a",
 		.sub_devs	= iqs620a_sub_devs,
 		.num_sub_devs	= ARRAY_SIZE(iqs620a_sub_devs),
-
 		.prod_num	= IQS620_PROD_NUM,
 		.sw_num		= 0x08,
-
 		.prox_mask	= BIT(0),
 		.sar_mask	= BIT(1) | BIT(7),
 		.hall_mask	= BIT(2),
 		.hyst_mask	= BIT(3),
 		.temp_mask	= BIT(4),
-
 		.prox_settings	= IQS620_PROX_SETTINGS_4,
 		.hall_flags	= IQS620_HALL_FLAGS,
-
-		.clk_div	= 4,
 		.fw_name	= "iqs620a.bin",
 		.event_regs	= &iqs620a_event_regs[IQS62X_UI_PROX],
 	},
@@ -796,23 +830,18 @@ static const struct iqs62x_dev_desc iqs62x_devs[] = {
 		.dev_name	= "iqs621",
 		.sub_devs	= iqs621_sub_devs,
 		.num_sub_devs	= ARRAY_SIZE(iqs621_sub_devs),
-
 		.prod_num	= IQS621_PROD_NUM,
 		.sw_num		= 0x09,
 		.cal_regs	= iqs621_cal_regs,
 		.num_cal_regs	= ARRAY_SIZE(iqs621_cal_regs),
-
 		.prox_mask	= BIT(0),
 		.hall_mask	= BIT(1),
 		.als_mask	= BIT(2),
 		.hyst_mask	= BIT(3),
 		.temp_mask	= BIT(4),
-
 		.als_flags	= IQS621_ALS_FLAGS,
 		.hall_flags	= IQS621_HALL_FLAGS,
 		.hyst_shift	= 5,
-
-		.clk_div	= 2,
 		.fw_name	= "iqs621.bin",
 		.event_regs	= &iqs621_event_regs[IQS62X_UI_PROX],
 	},
@@ -820,21 +849,16 @@ static const struct iqs62x_dev_desc iqs62x_devs[] = {
 		.dev_name	= "iqs622",
 		.sub_devs	= iqs622_sub_devs,
 		.num_sub_devs	= ARRAY_SIZE(iqs622_sub_devs),
-
 		.prod_num	= IQS622_PROD_NUM,
 		.sw_num		= 0x06,
-
 		.prox_mask	= BIT(0),
 		.sar_mask	= BIT(1),
 		.hall_mask	= BIT(2),
 		.als_mask	= BIT(3),
 		.ir_mask	= BIT(4),
-
 		.prox_settings	= IQS622_PROX_SETTINGS_4,
 		.als_flags	= IQS622_ALS_FLAGS,
 		.hall_flags	= IQS622_HALL_FLAGS,
-
-		.clk_div	= 2,
 		.fw_name	= "iqs622.bin",
 		.event_regs	= &iqs622_event_regs[IQS62X_UI_PROX],
 	},
@@ -842,14 +866,10 @@ static const struct iqs62x_dev_desc iqs62x_devs[] = {
 		.dev_name	= "iqs624",
 		.sub_devs	= iqs624_sub_devs,
 		.num_sub_devs	= ARRAY_SIZE(iqs624_sub_devs),
-
 		.prod_num	= IQS624_PROD_NUM,
 		.sw_num		= 0x0B,
-
 		.interval	= IQS624_INTERVAL_NUM,
 		.interval_div	= 3,
-
-		.clk_div	= 2,
 		.fw_name	= "iqs624.bin",
 		.event_regs	= &iqs624_event_regs[IQS62X_UI_PROX],
 	},
@@ -857,20 +877,16 @@ static const struct iqs62x_dev_desc iqs62x_devs[] = {
 		.dev_name	= "iqs625",
 		.sub_devs	= iqs625_sub_devs,
 		.num_sub_devs	= ARRAY_SIZE(iqs625_sub_devs),
-
 		.prod_num	= IQS625_PROD_NUM,
 		.sw_num		= 0x0B,
-
 		.interval	= IQS625_INTERVAL_NUM,
 		.interval_div	= 10,
-
-		.clk_div	= 2,
 		.fw_name	= "iqs625.bin",
 		.event_regs	= &iqs625_event_regs[IQS62X_UI_PROX],
 	},
 };
 
-static const struct regmap_config iqs62x_map_config = {
+static const struct regmap_config iqs62x_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
 	.max_register = IQS62X_MAX_REG,
@@ -894,9 +910,11 @@ static int iqs62x_probe(struct i2c_client *client)
 
 	BLOCKING_INIT_NOTIFIER_HEAD(&iqs62x->nh);
 	INIT_LIST_HEAD(&iqs62x->fw_blk_head);
+
+	init_completion(&iqs62x->ati_done);
 	init_completion(&iqs62x->fw_done);
 
-	iqs62x->regmap = devm_regmap_init_i2c(client, &iqs62x_map_config);
+	iqs62x->regmap = devm_regmap_init_i2c(client, &iqs62x_regmap_config);
 	if (IS_ERR(iqs62x->regmap)) {
 		ret = PTR_ERR(iqs62x->regmap);
 		dev_err(&client->dev, "Failed to initialize register map: %d\n",

drivers/mfd/max8997.c

@@ -29,9 +29,9 @@
 static const struct mfd_cell max8997_devs[] = {
 	{ .name = "max8997-pmic", },
 	{ .name = "max8997-rtc", },
-	{ .name = "max8997-battery", },
+	{ .name = "max8997-battery", .of_compatible = "maxim,max8997-battery", },
 	{ .name = "max8997-haptic", },
-	{ .name = "max8997-muic", },
+	{ .name = "max8997-muic", .of_compatible = "maxim,max8997-muic", },
 	{ .name = "max8997-led", .id = 1 },
 	{ .name = "max8997-led", .id = 2 },
 };

drivers/mfd/mcp-sa11x0.c

@@ -214,8 +214,7 @@ static int mcp_sa11x0_probe(struct platform_device *dev)
 	 * rate.  This is the period for 3 64-bit frames.  Always
 	 * round this time up.
 	 */
-	mcp->rw_timeout = (64 * 3 * 1000000 + mcp->sclk_rate - 1) /
-			  mcp->sclk_rate;
+	mcp->rw_timeout = DIV_ROUND_UP(64 * 3 * 1000000, mcp->sclk_rate);
 
 	ret = mcp_host_add(mcp, data->codec_pdata);
 	if (ret == 0)

drivers/mfd/mt6360-core.c

@@ -292,17 +292,17 @@ static const struct resource mt6360_ldo_resources[] = {
 };
 
 static const struct mfd_cell mt6360_devs[] = {
-	OF_MFD_CELL("mt6360_adc", mt6360_adc_resources,
+	MFD_CELL_OF("mt6360_adc", mt6360_adc_resources,
 		    NULL, 0, 0, "mediatek,mt6360_adc"),
-	OF_MFD_CELL("mt6360_chg", mt6360_chg_resources,
+	MFD_CELL_OF("mt6360_chg", mt6360_chg_resources,
 		    NULL, 0, 0, "mediatek,mt6360_chg"),
-	OF_MFD_CELL("mt6360_led", mt6360_led_resources,
+	MFD_CELL_OF("mt6360_led", mt6360_led_resources,
 		    NULL, 0, 0, "mediatek,mt6360_led"),
-	OF_MFD_CELL("mt6360_pmic", mt6360_pmic_resources,
+	MFD_CELL_OF("mt6360_pmic", mt6360_pmic_resources,
 		    NULL, 0, 0, "mediatek,mt6360_pmic"),
-	OF_MFD_CELL("mt6360_ldo", mt6360_ldo_resources,
+	MFD_CELL_OF("mt6360_ldo", mt6360_ldo_resources,
 		    NULL, 0, 0, "mediatek,mt6360_ldo"),
-	OF_MFD_CELL("mt6360_tcpc", NULL,
+	MFD_CELL_OF("mt6360_tcpc", NULL,
 		    NULL, 0, 0, "mediatek,mt6360_tcpc"),
 };
 

drivers/mfd/wm831x-auxadc.c

@@ -93,11 +93,10 @@ static int wm831x_auxadc_read_irq(struct wm831x *wm831x,
 	wait_for_completion_timeout(&req->done, msecs_to_jiffies(500));
 
 	mutex_lock(&wm831x->auxadc_lock);
-
-	list_del(&req->list);
 	ret = req->val;
 
 out:
+	list_del(&req->list);
 	mutex_unlock(&wm831x->auxadc_lock);
 
 	kfree(req);

drivers/regulator/bd9571mwv-regulator.c

 // SPDX-License-Identifier: GPL-2.0
 /*
- * ROHM BD9571MWV-M regulator driver
+ * ROHM BD9571MWV-M and BD9574MWF-M regulator driver
  *
  * Copyright (C) 2017 Marek Vasut <marek.vasut+renesas@gmail.com>
  *
@@ -9,6 +9,7 @@
  * NOTE: VD09 is missing
  */
 
+#include <linux/mfd/rohm-generic.h>
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/platform_device.h>
@@ -17,7 +18,7 @@
 #include <linux/mfd/bd9571mwv.h>
 
 struct bd9571mwv_reg {
-	struct bd9571mwv *bd;
+	struct regmap *regmap;
 
 	/* DDR Backup Power */
 	u8 bkup_mode_cnt_keepon;	/* from "rohm,ddr-backup-power" */
@@ -137,26 +138,30 @@ static const struct regulator_desc regulators[] = {
 };
 
 #ifdef CONFIG_PM_SLEEP
-static int bd9571mwv_bkup_mode_read(struct bd9571mwv *bd, unsigned int *mode)
+static int bd9571mwv_bkup_mode_read(struct bd9571mwv_reg *bdreg,
+				    unsigned int *mode)
 {
 	int ret;
 
-	ret = regmap_read(bd->regmap, BD9571MWV_BKUP_MODE_CNT, mode);
+	ret = regmap_read(bdreg->regmap, BD9571MWV_BKUP_MODE_CNT, mode);
 	if (ret) {
-		dev_err(bd->dev, "failed to read backup mode (%d)\n", ret);
+		dev_err(regmap_get_device(bdreg->regmap),
+			"failed to read backup mode (%d)\n", ret);
 		return ret;
 	}
 
 	return 0;
 }
 
-static int bd9571mwv_bkup_mode_write(struct bd9571mwv *bd, unsigned int mode)
+static int bd9571mwv_bkup_mode_write(struct bd9571mwv_reg *bdreg,
+				     unsigned int mode)
 {
 	int ret;
 
-	ret = regmap_write(bd->regmap, BD9571MWV_BKUP_MODE_CNT, mode);
+	ret = regmap_write(bdreg->regmap, BD9571MWV_BKUP_MODE_CNT, mode);
 	if (ret) {
-		dev_err(bd->dev, "failed to configure backup mode 0x%x (%d)\n",
+		dev_err(regmap_get_device(bdreg->regmap),
+			"failed to configure backup mode 0x%x (%d)\n",
 			mode, ret);
 		return ret;
 	}
@@ -194,7 +199,7 @@ static ssize_t backup_mode_store(struct device *dev,
 	 * Configure DDR Backup Mode, to change the role of the accessory power
 	 * switch from a power switch to a wake-up switch, or vice versa
 	 */
-	ret = bd9571mwv_bkup_mode_read(bdreg->bd, &mode);
+	ret = bd9571mwv_bkup_mode_read(bdreg, &mode);
 	if (ret)
 		return ret;
 
@@ -202,7 +207,7 @@ static ssize_t backup_mode_store(struct device *dev,
 	if (bdreg->bkup_mode_enabled)
 		mode |= bdreg->bkup_mode_cnt_keepon;
 
-	ret = bd9571mwv_bkup_mode_write(bdreg->bd, mode);
+	ret = bd9571mwv_bkup_mode_write(bdreg, mode);
 	if (ret)
 		return ret;
 
@@ -221,7 +226,7 @@ static int bd9571mwv_suspend(struct device *dev)
 		return 0;
 
 	/* Save DDR Backup Mode */
-	ret = bd9571mwv_bkup_mode_read(bdreg->bd, &mode);
+	ret = bd9571mwv_bkup_mode_read(bdreg, &mode);
 	if (ret)
 		return ret;
 
@@ -235,7 +240,7 @@ static int bd9571mwv_suspend(struct device *dev)
 	mode |= bdreg->bkup_mode_cnt_keepon;
 
 	if (mode != bdreg->bkup_mode_cnt_saved)
-		return bd9571mwv_bkup_mode_write(bdreg->bd, mode);
+		return bd9571mwv_bkup_mode_write(bdreg, mode);
 
 	return 0;
 }
@@ -248,7 +253,7 @@ static int bd9571mwv_resume(struct device *dev)
 		return 0;
 
 	/* Restore DDR Backup Mode */
-	return bd9571mwv_bkup_mode_write(bdreg->bd, bdreg->bkup_mode_cnt_saved);
+	return bd9571mwv_bkup_mode_write(bdreg, bdreg->bkup_mode_cnt_saved);
 }
 
 static const struct dev_pm_ops bd9571mwv_pm  = {
@@ -268,51 +273,54 @@ static int bd9571mwv_regulator_remove(struct platform_device *pdev)
 
 static int bd9571mwv_regulator_probe(struct platform_device *pdev)
 {
-	struct bd9571mwv *bd = dev_get_drvdata(pdev->dev.parent);
 	struct regulator_config config = { };
 	struct bd9571mwv_reg *bdreg;
 	struct regulator_dev *rdev;
 	unsigned int val;
 	int i;
+	enum rohm_chip_type chip = platform_get_device_id(pdev)->driver_data;
 
 	bdreg = devm_kzalloc(&pdev->dev, sizeof(*bdreg), GFP_KERNEL);
 	if (!bdreg)
 		return -ENOMEM;
 
-	bdreg->bd = bd;
+	bdreg->regmap = dev_get_regmap(pdev->dev.parent, NULL);
 
 	platform_set_drvdata(pdev, bdreg);
 
 	config.dev = &pdev->dev;
-	config.dev->of_node = bd->dev->of_node;
-	config.driver_data = bd;
-	config.regmap = bd->regmap;
+	config.dev->of_node = pdev->dev.parent->of_node;
+	config.driver_data = bdreg;
+	config.regmap = bdreg->regmap;
 
 	for (i = 0; i < ARRAY_SIZE(regulators); i++) {
+		/* BD9574MWF supports DVFS only */
+		if (chip == ROHM_CHIP_TYPE_BD9574 && regulators[i].id != DVFS)
+			continue;
 		rdev = devm_regulator_register(&pdev->dev, &regulators[i],
 					       &config);
 		if (IS_ERR(rdev)) {
-			dev_err(bd->dev, "failed to register %s regulator\n",
+			dev_err(&pdev->dev, "failed to register %s regulator\n",
 				pdev->name);
 			return PTR_ERR(rdev);
 		}
 	}
 
 	val = 0;
-	of_property_read_u32(bd->dev->of_node, "rohm,ddr-backup-power", &val);
+	of_property_read_u32(config.dev->of_node, "rohm,ddr-backup-power", &val);
 	if (val & ~BD9571MWV_BKUP_MODE_CNT_KEEPON_MASK) {
-		dev_err(bd->dev, "invalid %s mode %u\n",
+		dev_err(&pdev->dev, "invalid %s mode %u\n",
 			"rohm,ddr-backup-power", val);
 		return -EINVAL;
 	}
 	bdreg->bkup_mode_cnt_keepon = val;
 
-	bdreg->rstbmode_level = of_property_read_bool(bd->dev->of_node,
+	bdreg->rstbmode_level = of_property_read_bool(config.dev->of_node,
 						      "rohm,rstbmode-level");
-	bdreg->rstbmode_pulse = of_property_read_bool(bd->dev->of_node,
+	bdreg->rstbmode_pulse = of_property_read_bool(config.dev->of_node,
 						      "rohm,rstbmode-pulse");
 	if (bdreg->rstbmode_level && bdreg->rstbmode_pulse) {
-		dev_err(bd->dev, "only one rohm,rstbmode-* may be specified");
+		dev_err(&pdev->dev, "only one rohm,rstbmode-* may be specified");
 		return -EINVAL;
 	}
 
@@ -336,7 +344,8 @@ static int bd9571mwv_regulator_probe(struct platform_device *pdev)
 }
 
 static const struct platform_device_id bd9571mwv_regulator_id_table[] = {
-	{ "bd9571mwv-regulator", },
+	{ "bd9571mwv-regulator", ROHM_CHIP_TYPE_BD9571 },
+	{ "bd9574mwf-regulator", ROHM_CHIP_TYPE_BD9574 },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(platform, bd9571mwv_regulator_id_table);

include/linux/mfd/bd9571mwv.h

+/* SPDX-License-Identifier: GPL-2.0-only */
 /*
- * ROHM BD9571MWV-M driver
+ * ROHM BD9571MWV-M and BD9574MWF-M driver
  *
  * Copyright (C) 2017 Marek Vasut <marek.vasut+renesas@gmail.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed "as is" WITHOUT ANY WARRANTY of any
- * kind, whether expressed or implied; without even the implied warranty
- * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License version 2 for more details.
+ * Copyright (C) 2020 Renesas Electronics Corporation
  *
  * Based on the TPS65086 driver
  */
@@ -21,11 +14,12 @@
 #include <linux/device.h>
 #include <linux/regmap.h>
 
-/* List of registers for BD9571MWV */
+/* List of registers for BD9571MWV and BD9574MWF */
 #define BD9571MWV_VENDOR_CODE			0x00
 #define BD9571MWV_VENDOR_CODE_VAL		0xdb
 #define BD9571MWV_PRODUCT_CODE			0x01
-#define BD9571MWV_PRODUCT_CODE_VAL		0x60
+#define BD9571MWV_PRODUCT_CODE_BD9571MWV	0x60
+#define BD9571MWV_PRODUCT_CODE_BD9574MWF	0x74
 #define BD9571MWV_PRODUCT_REVISION		0x02
 
 #define BD9571MWV_I2C_FUSA_MODE			0x10
@@ -55,6 +49,7 @@
 #define BD9571MWV_VD33_VID			0x44
 
 #define BD9571MWV_DVFS_VINIT			0x50
+#define BD9574MWF_VD09_VINIT			0x51
 #define BD9571MWV_DVFS_SETVMAX			0x52
 #define BD9571MWV_DVFS_BOOSTVID			0x53
 #define BD9571MWV_DVFS_SETVID			0x54
@@ -68,6 +63,7 @@
 #define BD9571MWV_GPIO_INT_SET			0x64
 #define BD9571MWV_GPIO_INT			0x65
 #define BD9571MWV_GPIO_INTMASK			0x66
+#define BD9574MWF_GPIO_MUX			0x67
 
 #define BD9571MWV_REG_KEEP(n)			(0x70 + (n))
 
@@ -77,6 +73,8 @@
 #define BD9571MWV_PROT_ERROR_STATUS2		0x83
 #define BD9571MWV_PROT_ERROR_STATUS3		0x84
 #define BD9571MWV_PROT_ERROR_STATUS4		0x85
+#define BD9574MWF_PROT_ERROR_STATUS5		0x86
+#define BD9574MWF_SYSTEM_ERROR_STATUS		0x87
 
 #define BD9571MWV_INT_INTREQ			0x90
 #define BD9571MWV_INT_INTREQ_MD1_INT		BIT(0)
@@ -89,6 +87,12 @@
 #define BD9571MWV_INT_INTREQ_BKUP_TRG_INT	BIT(7)
 #define BD9571MWV_INT_INTMASK			0x91
 
+#define BD9574MWF_SSCG_CNT			0xA0
+#define BD9574MWF_POFFB_MRB			0xA1
+#define BD9574MWF_SMRB_WR_PROT			0xA2
+#define BD9574MWF_SMRB_ASSERT			0xA3
+#define BD9574MWF_SMRB_STATUS			0xA4
+
 #define BD9571MWV_ACCESS_KEY			0xff
 
 /* Define the BD9571MWV IRQ numbers */
@@ -98,23 +102,8 @@ enum bd9571mwv_irqs {
 	BD9571MWV_IRQ_MD2_E2,
 	BD9571MWV_IRQ_PROT_ERR,
 	BD9571MWV_IRQ_GP,
-	BD9571MWV_IRQ_128H_OF,
+	BD9571MWV_IRQ_128H_OF,	/* BKUP_HOLD on BD9574MWF */
 	BD9571MWV_IRQ_WDT_OF,
 	BD9571MWV_IRQ_BKUP_TRG,
 };
-
-/**
- * struct bd9571mwv - state holder for the bd9571mwv driver
- *
- * Device data may be used to access the BD9571MWV chip
- */
-struct bd9571mwv {
-	struct device *dev;
-	struct regmap *regmap;
-
-	/* IRQ Data */
-	int irq;
-	struct regmap_irq_chip_data *irq_data;
-};
-
 #endif /* __LINUX_MFD_BD9571MWV_H */

include/linux/mfd/core.h

@@ -28,13 +28,13 @@
 		.id = (_id),						\
 	}
 
-#define OF_MFD_CELL_REG(_name, _res, _pdata, _pdsize, _id, _compat, _of_reg) \
+#define MFD_CELL_OF_REG(_name, _res, _pdata, _pdsize, _id, _compat, _of_reg) \
 	MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, _compat, _of_reg, true, NULL)
 
-#define OF_MFD_CELL(_name, _res, _pdata, _pdsize, _id, _compat) \
+#define MFD_CELL_OF(_name, _res, _pdata, _pdsize, _id, _compat) \
 	MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, _compat, 0, false, NULL)
 
-#define ACPI_MFD_CELL(_name, _res, _pdata, _pdsize, _id, _match) \
+#define MFD_CELL_ACPI(_name, _res, _pdata, _pdsize, _id, _match) \
 	MFD_CELL_ALL(_name, _res, _pdata, _pdsize, _id, NULL, 0, false, _match)
 
 #define MFD_CELL_BASIC(_name, _res, _pdata, _pdsize, _id) \

include/linux/mfd/intel-m10-bmc.h

@@ -15,6 +15,15 @@
 
 /* Register offset of system registers */
 #define NIOS2_FW_VERSION		0x0
+#define M10BMC_MAC_LOW			0x10
+#define M10BMC_MAC_BYTE4		GENMASK(7, 0)
+#define M10BMC_MAC_BYTE3		GENMASK(15, 8)
+#define M10BMC_MAC_BYTE2		GENMASK(23, 16)
+#define M10BMC_MAC_BYTE1		GENMASK(31, 24)
+#define M10BMC_MAC_HIGH			0x14
+#define M10BMC_MAC_BYTE6		GENMASK(7, 0)
+#define M10BMC_MAC_BYTE5		GENMASK(15, 8)
+#define M10BMC_MAC_COUNT		GENMASK(23, 16)
 #define M10BMC_TEST_REG			0x3c
 #define M10BMC_BUILD_VER		0x68
 #define M10BMC_VER_MAJOR_MSK		GENMASK(23, 16)

include/linux/mfd/iqs62x.h

@@ -28,7 +28,7 @@
 #define IQS620_GLBL_EVENT_MASK_PMU		BIT(6)
 
 #define IQS62X_NUM_KEYS				16
-#define IQS62X_NUM_EVENTS			(IQS62X_NUM_KEYS + 5)
+#define IQS62X_NUM_EVENTS			(IQS62X_NUM_KEYS + 6)
 
 #define IQS62X_EVENT_SIZE			10
 
@@ -78,6 +78,7 @@ enum iqs62x_event_flag {
 
 	/* everything else */
 	IQS62X_EVENT_SYS_RESET,
+	IQS62X_EVENT_SYS_ATI,
 };
 
 struct iqs62x_event_data {
@@ -97,12 +98,10 @@ struct iqs62x_dev_desc {
 	const char *dev_name;
 	const struct mfd_cell *sub_devs;
 	int num_sub_devs;
-
 	u8 prod_num;
 	u8 sw_num;
 	const u8 *cal_regs;
 	int num_cal_regs;
-
 	u8 prox_mask;
 	u8 sar_mask;
 	u8 hall_mask;
@@ -110,16 +109,12 @@ struct iqs62x_dev_desc {
 	u8 temp_mask;
 	u8 als_mask;
 	u8 ir_mask;
-
 	u8 prox_settings;
 	u8 als_flags;
 	u8 hall_flags;
 	u8 hyst_shift;
-
 	u8 interval;
 	u8 interval_div;
-
-	u8 clk_div;
 	const char *fw_name;
 	const enum iqs62x_event_reg (*event_regs)[IQS62X_EVENT_SIZE];
 };
@@ -130,8 +125,10 @@ struct iqs62x_core {
 	struct regmap *regmap;
 	struct blocking_notifier_head nh;
 	struct list_head fw_blk_head;
+	struct completion ati_done;
 	struct completion fw_done;
 	enum iqs62x_ui_sel ui_sel;
+	unsigned long event_cache;
 };
 
 extern const struct iqs62x_event_desc iqs62x_events[IQS62X_NUM_EVENTS];

include/linux/mfd/rohm-generic.h

@@ -12,6 +12,8 @@ enum rohm_chip_type {
 	ROHM_CHIP_TYPE_BD71847,
 	ROHM_CHIP_TYPE_BD70528,
 	ROHM_CHIP_TYPE_BD71828,
+	ROHM_CHIP_TYPE_BD9571,
+	ROHM_CHIP_TYPE_BD9574,
 	ROHM_CHIP_TYPE_AMOUNT
 };