Merge tag 'pwm/for-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux

Pull pwm updates from Uwe Kleine-König:
 "This contains some cleanups to the core and some mostly minor updates
  to a bunch of drivers and device tree bindings. One thing worth
  pointing out is that it contains an immutable branch containing
  support for a new mfd chip (Analog Devices ADP5585) with several sub
  drivers.

  Thanks go to Andrew Kreimer, Clark Wang, Conor Dooley, David Lechner,
  Dmitry Rokosov, Frank Li, Geert Uytterhoeven, George Stark, Jiapeng
  Chong, Krzysztof Kozlowski, Laurent Pinchart, Liao Chen, Liu Ying, Rob
  Herring and Wolfram Sang for code contributions and reviews and to Lee
  Jones for preparing the above mentioned immutable branch"

* tag 'pwm/for-6.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/ukleinek/linux: (21 commits)
  pwm: stm32: Fix a typo
  dt-bindings: pwm: amlogic: Add new bindings for meson A1 PWM
  dt-bindings: pwm: amlogic: Add optional power-domains
  pwm: Switch back to struct platform_driver::remove()
  dt-bindings: pwm: allwinner,sun4i-a10-pwm: add top-level constraints
  pwm: axi-pwmgen: use shared macro for version reg
  pwm: atmel-hlcdc: Drop trailing comma
  pwm: atmel-hlcdc: Enable module autoloading
  pwm: omap-dmtimer: Use of_property_read_bool()
  pwm: adp5585: Set OSC_EN bit to 1 when PWM state is enabled
  pwm: lp3943: Fix an incorrect type in lp3943_pwm_parse_dt()
  pwm: Simplify pwm_capture()
  pwm: lp3943: Use of_property_count_u32_elems() to get property length
  pwm: Don't export pwm_capture()
  pwm: Make info in traces about affected pwm more useful
  dt-bindings: pwm: renesas,tpu: Add r8a779h0 support
  dt-bindings: pwm: renesas,pwm-rcar: Add r8a779h0 support
  pwm: adp5585: Add Analog Devices ADP5585 support
  gpio: adp5585: Add Analog Devices ADP5585 support
  mfd: adp5585: Add Analog Devices ADP5585 core support
  ...

37 files changed, 939 insertions, 56 deletions

diff --git a/Documentation/devicetree/bindings/mfd/adi,adp5585.yaml b/Documentation/devicetree/bindings/mfd/adi,adp5585.yaml
new file mode 100644
index 000000000000..f9c069f8534b
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/adi,adp5585.yaml
@@ -0,0 +1,92 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mfd/adi,adp5585.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices ADP5585 Keypad Decoder and I/O Expansion
+
+maintainers:
+  - Laurent Pinchart <laurent.pinchart@ideasonboard.com>
+
+description:
+  The ADP5585 is a 10/11 input/output port expander with a built in keypad
+  matrix decoder, programmable logic, reset generator, and PWM generator.
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - adi,adp5585-00  # Default
+          - adi,adp5585-01  # 11 GPIOs
+          - adi,adp5585-02  # No pull-up resistors by default on special pins
+          - adi,adp5585-03  # Alternate I2C address
+          - adi,adp5585-04  # Pull-down resistors on all pins by default
+      - const: adi,adp5585
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  vdd-supply: true
+
+  gpio-controller: true
+
+  '#gpio-cells':
+    const: 2
+
+  gpio-reserved-ranges: true
+
+  "#pwm-cells":
+    const: 3
+
+required:
+  - compatible
+  - reg
+  - gpio-controller
+  - "#gpio-cells"
+  - "#pwm-cells"
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: adi,adp5585-01
+    then:
+      properties:
+        gpio-reserved-ranges: false
+    else:
+      properties:
+        gpio-reserved-ranges:
+          maxItems: 1
+          items:
+            items:
+              - const: 5
+              - const: 1
+
+additionalProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        io-expander@34 {
+            compatible = "adi,adp5585-00", "adi,adp5585";
+            reg = <0x34>;
+
+            vdd-supply = <&reg_3v3>;
+
+            gpio-controller;
+            #gpio-cells = <2>;
+            gpio-reserved-ranges = <5 1>;
+
+            #pwm-cells = <3>;
+        };
+    };
+
+...
diff --git a/Documentation/devicetree/bindings/pwm/allwinner,sun4i-a10-pwm.yaml b/Documentation/devicetree/bindings/pwm/allwinner,sun4i-a10-pwm.yaml
index 66e400f2a3a4..1b192e197b11 100644
--- a/Documentation/devicetree/bindings/pwm/allwinner,sun4i-a10-pwm.yaml
+++ b/Documentation/devicetree/bindings/pwm/allwinner,sun4i-a10-pwm.yaml
@@ -46,10 +46,11 @@ properties:
       - description: Module Clock
       - description: Bus Clock
 
-  # Even though it only applies to subschemas under the conditionals,
-  # not listing them here will trigger a warning because of the
-  # additionalsProperties set to false.
-  clock-names: true
+  clock-names:
+    minItems: 1
+    items:
+      - const: mod
+      - const: bus
 
   resets:
     maxItems: 1
diff --git a/Documentation/devicetree/bindings/pwm/pwm-amlogic.yaml b/Documentation/devicetree/bindings/pwm/pwm-amlogic.yaml
index 1d71d4f8f328..e021cf59421a 100644
--- a/Documentation/devicetree/bindings/pwm/pwm-amlogic.yaml
+++ b/Documentation/devicetree/bindings/pwm/pwm-amlogic.yaml
@@ -39,6 +39,10 @@ properties:
           - amlogic,meson-s4-pwm
       - items:
           - enum:
+              - amlogic,meson-a1-pwm
+          - const: amlogic,meson-s4-pwm
+      - items:
+          - enum:
               - amlogic,meson8b-pwm-v2
               - amlogic,meson-gxbb-pwm-v2
               - amlogic,meson-axg-pwm-v2
@@ -56,6 +60,9 @@ properties:
     minItems: 1
     maxItems: 2
 
+  power-domains:
+    maxItems: 1
+
   "#pwm-cells":
     const: 3
 
@@ -136,6 +143,16 @@ allOf:
       required:
         - clocks
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - amlogic,meson-a1-pwm
+    then:
+      required:
+        - power-domains
+
 additionalProperties: false
 
 examples:
diff --git a/Documentation/devicetree/bindings/pwm/renesas,pwm-rcar.yaml b/Documentation/devicetree/bindings/pwm/renesas,pwm-rcar.yaml
index 6b6a302a175c..2fe1992e2908 100644
--- a/Documentation/devicetree/bindings/pwm/renesas,pwm-rcar.yaml
+++ b/Documentation/devicetree/bindings/pwm/renesas,pwm-rcar.yaml
@@ -37,6 +37,7 @@ properties:
           - renesas,pwm-r8a77995  # R-Car D3
           - renesas,pwm-r8a779a0  # R-Car V3U
           - renesas,pwm-r8a779g0  # R-Car V4H
+          - renesas,pwm-r8a779h0  # R-Car V4M
       - const: renesas,pwm-rcar
 
   reg:
diff --git a/Documentation/devicetree/bindings/pwm/renesas,tpu-pwm.yaml b/Documentation/devicetree/bindings/pwm/renesas,tpu-pwm.yaml
index a3e52b22dd18..a4dfa09344dd 100644
--- a/Documentation/devicetree/bindings/pwm/renesas,tpu-pwm.yaml
+++ b/Documentation/devicetree/bindings/pwm/renesas,tpu-pwm.yaml
@@ -41,6 +41,7 @@ properties:
           - renesas,tpu-r8a77980  # R-Car V3H
           - renesas,tpu-r8a779a0  # R-Car V3U
           - renesas,tpu-r8a779g0  # R-Car V4H
+          - renesas,tpu-r8a779h0  # R-Car V4M
       - const: renesas,tpu
 
   reg:
diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml
index 516d50b01090..8a9a00705b23 100644
--- a/Documentation/devicetree/bindings/trivial-devices.yaml
+++ b/Documentation/devicetree/bindings/trivial-devices.yaml
@@ -38,10 +38,6 @@ properties:
           - ad,adm9240
             # AD5110 - Nonvolatile Digital Potentiometer
           - adi,ad5110
-            # Analog Devices ADP5585 Keypad Decoder and I/O Expansion
-          - adi,adp5585
-            # Analog Devices ADP5585 Keypad Decoder and I/O Expansion with support for Row5
-          - adi,adp5585-02
             # Analog Devices ADP5589 Keypad Decoder and I/O Expansion
           - adi,adp5589
             # Analog Devices LT7182S Dual Channel 6A, 20V PolyPhase Step-Down Silent Switcher
diff --git a/MAINTAINERS b/MAINTAINERS
index 1089ea6f2154..38058758c576 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -538,6 +538,17 @@ F:	drivers/leds/leds-adp5520.c
 F:	drivers/mfd/adp5520.c
 F:	drivers/video/backlight/adp5520_bl.c
 
+ADP5585 GPIO EXPANDER, PWM AND KEYPAD CONTROLLER DRIVER
+M:	Laurent Pinchart <laurent.pinchart@ideasonboard.com>
+L:	linux-gpio@vger.kernel.org
+L:	linux-pwm@vger.kernel.org
+S:	Maintained
+F:	Documentation/devicetree/bindings/*/adi,adp5585*.yaml
+F:	drivers/gpio/gpio-adp5585.c
+F:	drivers/mfd/adp5585.c
+F:	drivers/pwm/pwm-adp5585.c
+F:	include/linux/mfd/adp5585.h
+
 ADP5588 QWERTY KEYPAD AND IO EXPANDER DRIVER (ADP5588/ADP5587)
 M:	Michael Hennerich <michael.hennerich@analog.com>
 S:	Supported
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index 58f43bcced7c..d93cd4f722b4 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig
@@ -1233,6 +1233,13 @@ config GPIO_ADP5520
 	  This option enables support for on-chip GPIO found
 	  on Analog Devices ADP5520 PMICs.
 
+config GPIO_ADP5585
+	tristate "GPIO Support for ADP5585"
+	depends on MFD_ADP5585
+	help
+	  This option enables support for the GPIO function found in the Analog
+	  Devices ADP5585.
+
 config GPIO_ALTERA_A10SR
 	tristate "Altera Arria10 System Resource GPIO"
 	depends on MFD_ALTERA_A10SR
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index 64dd6d9d730d..1429e8c0229b 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -26,6 +26,7 @@ obj-$(CONFIG_GPIO_74X164)		+= gpio-74x164.o
 obj-$(CONFIG_GPIO_74XX_MMIO)		+= gpio-74xx-mmio.o
 obj-$(CONFIG_GPIO_ADNP)			+= gpio-adnp.o
 obj-$(CONFIG_GPIO_ADP5520)		+= gpio-adp5520.o
+obj-$(CONFIG_GPIO_ADP5585)		+= gpio-adp5585.o
 obj-$(CONFIG_GPIO_AGGREGATOR)		+= gpio-aggregator.o
 obj-$(CONFIG_GPIO_ALTERA_A10SR)		+= gpio-altera-a10sr.o
 obj-$(CONFIG_GPIO_ALTERA)  		+= gpio-altera.o
diff --git a/drivers/gpio/gpio-adp5585.c b/drivers/gpio/gpio-adp5585.c
new file mode 100644
index 000000000000..000d31f09671
--- /dev/null
+++ b/drivers/gpio/gpio-adp5585.c
@@ -0,0 +1,229 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Analog Devices ADP5585 GPIO driver
+ *
+ * Copyright 2022 NXP
+ * Copyright 2024 Ideas on Board Oy
+ */
+
+#include <linux/device.h>
+#include <linux/gpio/driver.h>
+#include <linux/mfd/adp5585.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/types.h>
+
+#define ADP5585_GPIO_MAX	11
+
+struct adp5585_gpio_dev {
+	struct gpio_chip gpio_chip;
+	struct regmap *regmap;
+};
+
+static int adp5585_gpio_get_direction(struct gpio_chip *chip, unsigned int off)
+{
+	struct adp5585_gpio_dev *adp5585_gpio = gpiochip_get_data(chip);
+	unsigned int bank = ADP5585_BANK(off);
+	unsigned int bit = ADP5585_BIT(off);
+	unsigned int val;
+
+	regmap_read(adp5585_gpio->regmap, ADP5585_GPIO_DIRECTION_A + bank, &val);
+
+	return val & bit ? GPIO_LINE_DIRECTION_OUT : GPIO_LINE_DIRECTION_IN;
+}
+
+static int adp5585_gpio_direction_input(struct gpio_chip *chip, unsigned int off)
+{
+	struct adp5585_gpio_dev *adp5585_gpio = gpiochip_get_data(chip);
+	unsigned int bank = ADP5585_BANK(off);
+	unsigned int bit = ADP5585_BIT(off);
+
+	return regmap_clear_bits(adp5585_gpio->regmap,
+				 ADP5585_GPIO_DIRECTION_A + bank, bit);
+}
+
+static int adp5585_gpio_direction_output(struct gpio_chip *chip, unsigned int off, int val)
+{
+	struct adp5585_gpio_dev *adp5585_gpio = gpiochip_get_data(chip);
+	unsigned int bank = ADP5585_BANK(off);
+	unsigned int bit = ADP5585_BIT(off);
+	int ret;
+
+	ret = regmap_update_bits(adp5585_gpio->regmap,
+				 ADP5585_GPO_DATA_OUT_A + bank, bit,
+				 val ? bit : 0);
+	if (ret)
+		return ret;
+
+	return regmap_set_bits(adp5585_gpio->regmap,
+			       ADP5585_GPIO_DIRECTION_A + bank, bit);
+}
+
+static int adp5585_gpio_get_value(struct gpio_chip *chip, unsigned int off)
+{
+	struct adp5585_gpio_dev *adp5585_gpio = gpiochip_get_data(chip);
+	unsigned int bank = ADP5585_BANK(off);
+	unsigned int bit = ADP5585_BIT(off);
+	unsigned int reg;
+	unsigned int val;
+
+	/*
+	 * The input status register doesn't reflect the pin state when the
+	 * GPIO is configured as an output. Check the direction, and read the
+	 * input status from GPI_STATUS or output value from GPO_DATA_OUT
+	 * accordingly.
+	 *
+	 * We don't need any locking, as concurrent access to the same GPIO
+	 * isn't allowed by the GPIO API, so there's no risk of the
+	 * .direction_input(), .direction_output() or .set() operations racing
+	 * with this.
+	 */
+	regmap_read(adp5585_gpio->regmap, ADP5585_GPIO_DIRECTION_A + bank, &val);
+	reg = val & bit ? ADP5585_GPO_DATA_OUT_A : ADP5585_GPI_STATUS_A;
+	regmap_read(adp5585_gpio->regmap, reg + bank, &val);
+
+	return !!(val & bit);
+}
+
+static void adp5585_gpio_set_value(struct gpio_chip *chip, unsigned int off, int val)
+{
+	struct adp5585_gpio_dev *adp5585_gpio = gpiochip_get_data(chip);
+	unsigned int bank = ADP5585_BANK(off);
+	unsigned int bit = ADP5585_BIT(off);
+
+	regmap_update_bits(adp5585_gpio->regmap, ADP5585_GPO_DATA_OUT_A + bank,
+			   bit, val ? bit : 0);
+}
+
+static int adp5585_gpio_set_bias(struct adp5585_gpio_dev *adp5585_gpio,
+				 unsigned int off, unsigned int bias)
+{
+	unsigned int bit, reg, mask, val;
+
+	/*
+	 * The bias configuration fields are 2 bits wide and laid down in
+	 * consecutive registers ADP5585_RPULL_CONFIG_*, with a hole of 4 bits
+	 * after R5.
+	 */
+	bit = off * 2 + (off > 5 ? 4 : 0);
+	reg = ADP5585_RPULL_CONFIG_A + bit / 8;
+	mask = ADP5585_Rx_PULL_CFG_MASK << (bit % 8);
+	val = bias << (bit % 8);
+
+	return regmap_update_bits(adp5585_gpio->regmap, reg, mask, val);
+}
+
+static int adp5585_gpio_set_drive(struct adp5585_gpio_dev *adp5585_gpio,
+				  unsigned int off, enum pin_config_param drive)
+{
+	unsigned int bank = ADP5585_BANK(off);
+	unsigned int bit = ADP5585_BIT(off);
+
+	return regmap_update_bits(adp5585_gpio->regmap,
+				  ADP5585_GPO_OUT_MODE_A + bank, bit,
+				  drive == PIN_CONFIG_DRIVE_OPEN_DRAIN ? bit : 0);
+}
+
+static int adp5585_gpio_set_debounce(struct adp5585_gpio_dev *adp5585_gpio,
+				     unsigned int off, unsigned int debounce)
+{
+	unsigned int bank = ADP5585_BANK(off);
+	unsigned int bit = ADP5585_BIT(off);
+
+	return regmap_update_bits(adp5585_gpio->regmap,
+				  ADP5585_DEBOUNCE_DIS_A + bank, bit,
+				  debounce ? 0 : bit);
+}
+
+static int adp5585_gpio_set_config(struct gpio_chip *chip, unsigned int off,
+				   unsigned long config)
+{
+	struct adp5585_gpio_dev *adp5585_gpio = gpiochip_get_data(chip);
+	enum pin_config_param param = pinconf_to_config_param(config);
+	u32 arg = pinconf_to_config_argument(config);
+
+	switch (param) {
+	case PIN_CONFIG_BIAS_DISABLE:
+		return adp5585_gpio_set_bias(adp5585_gpio, off,
+					     ADP5585_Rx_PULL_CFG_DISABLE);
+
+	case PIN_CONFIG_BIAS_PULL_DOWN:
+		return adp5585_gpio_set_bias(adp5585_gpio, off, arg ?
+					     ADP5585_Rx_PULL_CFG_PD_300K :
+					     ADP5585_Rx_PULL_CFG_DISABLE);
+
+	case PIN_CONFIG_BIAS_PULL_UP:
+		return adp5585_gpio_set_bias(adp5585_gpio, off, arg ?
+					     ADP5585_Rx_PULL_CFG_PU_300K :
+					     ADP5585_Rx_PULL_CFG_DISABLE);
+
+	case PIN_CONFIG_DRIVE_OPEN_DRAIN:
+	case PIN_CONFIG_DRIVE_PUSH_PULL:
+		return adp5585_gpio_set_drive(adp5585_gpio, off, param);
+
+	case PIN_CONFIG_INPUT_DEBOUNCE:
+		return adp5585_gpio_set_debounce(adp5585_gpio, off, arg);
+
+	default:
+		return -ENOTSUPP;
+	};
+}
+
+static int adp5585_gpio_probe(struct platform_device *pdev)
+{
+	struct adp5585_dev *adp5585 = dev_get_drvdata(pdev->dev.parent);
+	struct adp5585_gpio_dev *adp5585_gpio;
+	struct device *dev = &pdev->dev;
+	struct gpio_chip *gc;
+	int ret;
+
+	adp5585_gpio = devm_kzalloc(dev, sizeof(*adp5585_gpio), GFP_KERNEL);
+	if (!adp5585_gpio)
+		return -ENOMEM;
+
+	adp5585_gpio->regmap = adp5585->regmap;
+
+	device_set_of_node_from_dev(dev, dev->parent);
+
+	gc = &adp5585_gpio->gpio_chip;
+	gc->parent = dev;
+	gc->get_direction = adp5585_gpio_get_direction;
+	gc->direction_input = adp5585_gpio_direction_input;
+	gc->direction_output = adp5585_gpio_direction_output;
+	gc->get = adp5585_gpio_get_value;
+	gc->set = adp5585_gpio_set_value;
+	gc->set_config = adp5585_gpio_set_config;
+	gc->can_sleep = true;
+
+	gc->base = -1;
+	gc->ngpio = ADP5585_GPIO_MAX;
+	gc->label = pdev->name;
+	gc->owner = THIS_MODULE;
+
+	ret = devm_gpiochip_add_data(dev, &adp5585_gpio->gpio_chip,
+				     adp5585_gpio);
+	if (ret)
+		return dev_err_probe(dev, ret, "failed to add GPIO chip\n");
+
+	return 0;
+}
+
+static const struct platform_device_id adp5585_gpio_id_table[] = {
+	{ "adp5585-gpio" },
+	{ /* Sentinel */ }
+};
+MODULE_DEVICE_TABLE(platform, adp5585_gpio_id_table);
+
+static struct platform_driver adp5585_gpio_driver = {
+	.driver	= {
+		.name = "adp5585-gpio",
+	},
+	.probe = adp5585_gpio_probe,
+	.id_table = adp5585_gpio_id_table,
+};
+module_platform_driver(adp5585_gpio_driver);
+
+MODULE_AUTHOR("Haibo Chen <haibo.chen@nxp.com>");
+MODULE_DESCRIPTION("GPIO ADP5585 Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index bc8be2e593b6..f9325bcce1b9 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -20,6 +20,18 @@ config MFD_CS5535
 	  This is the core driver for CS5535/CS5536 MFD functions.  This is
 	  necessary for using the board's GPIO and MFGPT functionality.
 
+config MFD_ADP5585
+	tristate "Analog Devices ADP5585 keypad decoder and I/O expander driver"
+	select MFD_CORE
+	select REGMAP_I2C
+	depends on I2C
+	depends on OF || COMPILE_TEST
+	help
+	  Say yes here to add support for the Analog Devices ADP5585 GPIO
+	  expander, PWM and keypad controller. This includes the I2C driver and
+	  the core APIs _only_, you have to select individual components like
+	  the GPIO and PWM functions under the corresponding menus.
+
 config MFD_ALTERA_A10SR
 	bool "Altera Arria10 DevKit System Resource chip"
 	depends on ARCH_INTEL_SOCFPGA && SPI_MASTER=y && OF
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 02b651cd7535..2a9f91e81af8 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -193,6 +193,7 @@ obj-$(CONFIG_MFD_DB8500_PRCMU)	+= db8500-prcmu.o
 obj-$(CONFIG_AB8500_CORE)	+= ab8500-core.o ab8500-sysctrl.o
 obj-$(CONFIG_MFD_TIMBERDALE)    += timberdale.o
 obj-$(CONFIG_PMIC_ADP5520)	+= adp5520.o
+obj-$(CONFIG_MFD_ADP5585)	+= adp5585.o
 obj-$(CONFIG_MFD_KEMPLD)	+= kempld-core.o
 obj-$(CONFIG_MFD_INTEL_QUARK_I2C_GPIO)	+= intel_quark_i2c_gpio.o
 obj-$(CONFIG_LPC_SCH)		+= lpc_sch.o
diff --git a/drivers/mfd/adp5585.c b/drivers/mfd/adp5585.c
new file mode 100644
index 000000000000..160e0b38106a
--- /dev/null
+++ b/drivers/mfd/adp5585.c
@@ -0,0 +1,205 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Analog Devices ADP5585 I/O expander, PWM controller and keypad controller
+ *
+ * Copyright 2022 NXP
+ * Copyright 2024 Ideas on Board Oy
+ */
+
+#include <linux/array_size.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/i2c.h>
+#include <linux/mfd/adp5585.h>
+#include <linux/mfd/core.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+#include <linux/types.h>
+
+static const struct mfd_cell adp5585_devs[] = {
+	{ .name = "adp5585-gpio", },
+	{ .name = "adp5585-pwm", },
+};
+
+static const struct regmap_range adp5585_volatile_ranges[] = {
+	regmap_reg_range(ADP5585_ID, ADP5585_GPI_STATUS_B),
+};
+
+static const struct regmap_access_table adp5585_volatile_regs = {
+	.yes_ranges = adp5585_volatile_ranges,
+	.n_yes_ranges = ARRAY_SIZE(adp5585_volatile_ranges),
+};
+
+/*
+ * Chip variants differ in the default configuration of pull-up and pull-down
+ * resistors, and therefore have different default register values:
+ *
+ * - The -00, -01 and -03 variants (collectively referred to as
+ *   ADP5585_REGMAP_00) have pull-up on all GPIO pins by default.
+ * - The -02 variant has no default pull-up or pull-down resistors.
+ * - The -04 variant has default pull-down resistors on all GPIO pins.
+ */
+
+static const u8 adp5585_regmap_defaults_00[ADP5585_MAX_REG + 1] = {
+	/* 0x00 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	/* 0x08 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	/* 0x10 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	/* 0x18 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	/* 0x20 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	/* 0x28 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	/* 0x30 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	/* 0x38 */ 0x00, 0x00, 0x00, 0x00, 0x00,
+};
+
+static const u8 adp5585_regmap_defaults_02[ADP5585_MAX_REG + 1] = {
+	/* 0x00 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	/* 0x08 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	/* 0x10 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc3,
+	/* 0x18 */ 0x03, 0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00,
+	/* 0x20 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	/* 0x28 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	/* 0x30 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	/* 0x38 */ 0x00, 0x00, 0x00, 0x00, 0x00,
+};
+
+static const u8 adp5585_regmap_defaults_04[ADP5585_MAX_REG + 1] = {
+	/* 0x00 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	/* 0x08 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	/* 0x10 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x55,
+	/* 0x18 */ 0x05, 0x55, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
+	/* 0x20 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	/* 0x28 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	/* 0x30 */ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	/* 0x38 */ 0x00, 0x00, 0x00, 0x00, 0x00,
+};
+
+enum adp5585_regmap_type {
+	ADP5585_REGMAP_00,
+	ADP5585_REGMAP_02,
+	ADP5585_REGMAP_04,
+};
+
+static const struct regmap_config adp5585_regmap_configs[] = {
+	[ADP5585_REGMAP_00] = {
+		.reg_bits = 8,
+		.val_bits = 8,
+		.max_register = ADP5585_MAX_REG,
+		.volatile_table = &adp5585_volatile_regs,
+		.cache_type = REGCACHE_MAPLE,
+		.reg_defaults_raw = adp5585_regmap_defaults_00,
+		.num_reg_defaults_raw = sizeof(adp5585_regmap_defaults_00),
+	},
+	[ADP5585_REGMAP_02] = {
+		.reg_bits = 8,
+		.val_bits = 8,
+		.max_register = ADP5585_MAX_REG,
+		.volatile_table = &adp5585_volatile_regs,
+		.cache_type = REGCACHE_MAPLE,
+		.reg_defaults_raw = adp5585_regmap_defaults_02,
+		.num_reg_defaults_raw = sizeof(adp5585_regmap_defaults_02),
+	},
+	[ADP5585_REGMAP_04] = {
+		.reg_bits = 8,
+		.val_bits = 8,
+		.max_register = ADP5585_MAX_REG,
+		.volatile_table = &adp5585_volatile_regs,
+		.cache_type = REGCACHE_MAPLE,
+		.reg_defaults_raw = adp5585_regmap_defaults_04,
+		.num_reg_defaults_raw = sizeof(adp5585_regmap_defaults_04),
+	},
+};
+
+static int adp5585_i2c_probe(struct i2c_client *i2c)
+{
+	const struct regmap_config *regmap_config;
+	struct adp5585_dev *adp5585;
+	unsigned int id;
+	int ret;
+
+	adp5585 = devm_kzalloc(&i2c->dev, sizeof(*adp5585), GFP_KERNEL);
+	if (!adp5585)
+		return -ENOMEM;
+
+	i2c_set_clientdata(i2c, adp5585);
+
+	regmap_config = i2c_get_match_data(i2c);
+	adp5585->regmap = devm_regmap_init_i2c(i2c, regmap_config);
+	if (IS_ERR(adp5585->regmap))
+		return dev_err_probe(&i2c->dev, PTR_ERR(adp5585->regmap),
+				     "Failed to initialize register map\n");
+
+	ret = regmap_read(adp5585->regmap, ADP5585_ID, &id);
+	if (ret)
+		return dev_err_probe(&i2c->dev, ret,
+				     "Failed to read device ID\n");
+
+	if ((id & ADP5585_MAN_ID_MASK) != ADP5585_MAN_ID_VALUE)
+		return dev_err_probe(&i2c->dev, -ENODEV,
+				     "Invalid device ID 0x%02x\n", id);
+
+	ret = devm_mfd_add_devices(&i2c->dev, PLATFORM_DEVID_AUTO,
+				   adp5585_devs, ARRAY_SIZE(adp5585_devs),
+				   NULL, 0, NULL);
+	if (ret)
+		return dev_err_probe(&i2c->dev, ret,
+				     "Failed to add child devices\n");
+
+	return 0;
+}
+
+static int adp5585_suspend(struct device *dev)
+{
+	struct adp5585_dev *adp5585 = dev_get_drvdata(dev);
+
+	regcache_cache_only(adp5585->regmap, true);
+
+	return 0;
+}
+
+static int adp5585_resume(struct device *dev)
+{
+	struct adp5585_dev *adp5585 = dev_get_drvdata(dev);
+
+	regcache_cache_only(adp5585->regmap, false);
+	regcache_mark_dirty(adp5585->regmap);
+
+	return regcache_sync(adp5585->regmap);
+}
+
+static DEFINE_SIMPLE_DEV_PM_OPS(adp5585_pm, adp5585_suspend, adp5585_resume);
+
+static const struct of_device_id adp5585_of_match[] = {
+	{
+		.compatible = "adi,adp5585-00",
+		.data = &adp5585_regmap_configs[ADP5585_REGMAP_00],
+	}, {
+		.compatible = "adi,adp5585-01",
+		.data = &adp5585_regmap_configs[ADP5585_REGMAP_00],
+	}, {
+		.compatible = "adi,adp5585-02",
+		.data = &adp5585_regmap_configs[ADP5585_REGMAP_02],
+	}, {
+		.compatible = "adi,adp5585-03",
+		.data = &adp5585_regmap_configs[ADP5585_REGMAP_00],
+	}, {
+		.compatible = "adi,adp5585-04",
+		.data = &adp5585_regmap_configs[ADP5585_REGMAP_04],
+	},
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, adp5585_of_match);
+
+static struct i2c_driver adp5585_i2c_driver = {
+	.driver = {
+		.name = "adp5585",
+		.of_match_table = adp5585_of_match,
+		.pm = pm_sleep_ptr(&adp5585_pm),
+	},
+	.probe = adp5585_i2c_probe,
+};
+module_i2c_driver(adp5585_i2c_driver);
+
+MODULE_DESCRIPTION("ADP5585 core driver");
+MODULE_AUTHOR("Haibo Chen <haibo.chen@nxp.com>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig
index 3e53838990f5..0915c1e7df16 100644
--- a/drivers/pwm/Kconfig
+++ b/drivers/pwm/Kconfig
@@ -47,6 +47,13 @@ config PWM_AB8500
 	  To compile this driver as a module, choose M here: the module
 	  will be called pwm-ab8500.
 
+config PWM_ADP5585
+	tristate "ADP5585 PWM support"
+	depends on MFD_ADP5585
+	help
+	  This option enables support for the PWM function found in the Analog
+	  Devices ADP5585.
+
 config PWM_APPLE
 	tristate "Apple SoC PWM support"
 	depends on ARCH_APPLE || COMPILE_TEST
diff --git a/drivers/pwm/Makefile b/drivers/pwm/Makefile
index 0be4f3e6dd43..9081e0c0e9e0 100644
--- a/drivers/pwm/Makefile
+++ b/drivers/pwm/Makefile
@@ -1,6 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 obj-$(CONFIG_PWM)		+= core.o
 obj-$(CONFIG_PWM_AB8500)	+= pwm-ab8500.o
+obj-$(CONFIG_PWM_ADP5585)	+= pwm-adp5585.o
 obj-$(CONFIG_PWM_APPLE)		+= pwm-apple.o
 obj-$(CONFIG_PWM_ATMEL)		+= pwm-atmel.o
 obj-$(CONFIG_PWM_ATMEL_HLCDC_PWM)	+= pwm-atmel-hlcdc.o
diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c
index 8acbcf5b6673..6e752e148b98 100644
--- a/drivers/pwm/core.c
+++ b/drivers/pwm/core.c
@@ -325,20 +325,19 @@ EXPORT_SYMBOL_GPL(pwm_adjust_config);
  *
  * Returns: 0 on success or a negative error code on failure.
  */
-int pwm_capture(struct pwm_device *pwm, struct pwm_capture *result,
-		unsigned long timeout)
+static int pwm_capture(struct pwm_device *pwm, struct pwm_capture *result,
+		       unsigned long timeout)
 {
-	if (!pwm || !pwm->chip->ops)
-		return -EINVAL;
+	struct pwm_chip *chip = pwm->chip;
+	const struct pwm_ops *ops = chip->ops;
 
-	if (!pwm->chip->ops->capture)
+	if (!ops->capture)
 		return -ENOSYS;
 
 	guard(mutex)(&pwm_lock);
 
-	return pwm->chip->ops->capture(pwm->chip, pwm, result, timeout);
+	return ops->capture(chip, pwm, result, timeout);
 }
-EXPORT_SYMBOL_GPL(pwm_capture);
 
 static struct pwm_chip *pwmchip_find_by_name(const char *name)
 {
diff --git a/drivers/pwm/pwm-adp5585.c b/drivers/pwm/pwm-adp5585.c
new file mode 100644
index 000000000000..40472ac5db64
--- /dev/null
+++ b/drivers/pwm/pwm-adp5585.c
@@ -0,0 +1,188 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Analog Devices ADP5585 PWM driver
+ *
+ * Copyright 2022 NXP
+ * Copyright 2024 Ideas on Board Oy
+ *
+ * Limitations:
+ * - The .apply() operation executes atomically, but may not wait for the
+ *   period to complete (this is not documented and would need to be tested).
+ * - Disabling the PWM drives the output pin to a low level immediately.
+ * - The hardware can only generate normal polarity output.
+ */
+
+#include <asm/byteorder.h>
+
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/math64.h>
+#include <linux/mfd/adp5585.h>
+#include <linux/minmax.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/pwm.h>
+#include <linux/regmap.h>
+#include <linux/time.h>
+#include <linux/types.h>
+
+#define ADP5585_PWM_CHAN_NUM		1
+
+#define ADP5585_PWM_OSC_FREQ_HZ		1000000U
+#define ADP5585_PWM_MIN_PERIOD_NS	(2ULL * NSEC_PER_SEC / ADP5585_PWM_OSC_FREQ_HZ)
+#define ADP5585_PWM_MAX_PERIOD_NS	(2ULL * 0xffff * NSEC_PER_SEC / ADP5585_PWM_OSC_FREQ_HZ)
+
+static int pwm_adp5585_request(struct pwm_chip *chip, struct pwm_device *pwm)
+{
+	struct regmap *regmap = pwmchip_get_drvdata(chip);
+
+	/* Configure the R3 pin as PWM output. */
+	return regmap_update_bits(regmap, ADP5585_PIN_CONFIG_C,
+				  ADP5585_R3_EXTEND_CFG_MASK,
+				  ADP5585_R3_EXTEND_CFG_PWM_OUT);
+}
+
+static void pwm_adp5585_free(struct pwm_chip *chip, struct pwm_device *pwm)
+{
+	struct regmap *regmap = pwmchip_get_drvdata(chip);
+
+	regmap_update_bits(regmap, ADP5585_PIN_CONFIG_C,
+			   ADP5585_R3_EXTEND_CFG_MASK,
+			   ADP5585_R3_EXTEND_CFG_GPIO4);
+}
+
+static int pwm_adp5585_apply(struct pwm_chip *chip,
+			     struct pwm_device *pwm,
+			     const struct pwm_state *state)
+{
+	struct regmap *regmap = pwmchip_get_drvdata(chip);
+	u64 period, duty_cycle;
+	u32 on, off;
+	__le16 val;
+	int ret;
+
+	if (!state->enabled) {
+		regmap_clear_bits(regmap, ADP5585_GENERAL_CFG, ADP5585_OSC_EN);
+		regmap_clear_bits(regmap, ADP5585_PWM_CFG, ADP5585_PWM_EN);
+		return 0;
+	}
+
+	if (state->polarity != PWM_POLARITY_NORMAL)
+		return -EINVAL;
+
+	if (state->period < ADP5585_PWM_MIN_PERIOD_NS)
+		return -EINVAL;
+
+	period = min(state->period, ADP5585_PWM_MAX_PERIOD_NS);
+	duty_cycle = min(state->duty_cycle, period);
+
+	/*
+	 * Compute the on and off time. As the internal oscillator frequency is
+	 * 1MHz, the calculation can be simplified without loss of precision.
+	 */
+	on = div_u64(duty_cycle, NSEC_PER_SEC / ADP5585_PWM_OSC_FREQ_HZ);
+	off = div_u64(period, NSEC_PER_SEC / ADP5585_PWM_OSC_FREQ_HZ) - on;
+
+	val = cpu_to_le16(off);
+	ret = regmap_bulk_write(regmap, ADP5585_PWM_OFFT_LOW, &val, 2);
+	if (ret)
+		return ret;
+
+	val = cpu_to_le16(on);
+	ret = regmap_bulk_write(regmap, ADP5585_PWM_ONT_LOW, &val, 2);
+	if (ret)
+		return ret;
+
+	/* Enable PWM in continuous mode and no external AND'ing. */
+	ret = regmap_update_bits(regmap, ADP5585_PWM_CFG,
+				 ADP5585_PWM_IN_AND | ADP5585_PWM_MODE |
+				 ADP5585_PWM_EN, ADP5585_PWM_EN);
+	if (ret)
+		return ret;
+
+	ret = regmap_set_bits(regmap, ADP5585_GENERAL_CFG, ADP5585_OSC_EN);
+	if (ret)
+		return ret;
+
+	return regmap_set_bits(regmap, ADP5585_PWM_CFG, ADP5585_PWM_EN);
+}
+
+static int pwm_adp5585_get_state(struct pwm_chip *chip,
+				 struct pwm_device *pwm,
+				 struct pwm_state *state)
+{
+	struct regmap *regmap = pwmchip_get_drvdata(chip);
+	unsigned int on, off;
+	unsigned int val;
+	__le16 on_off;
+	int ret;
+
+	ret = regmap_bulk_read(regmap, ADP5585_PWM_OFFT_LOW, &on_off, 2);
+	if (ret)
+		return ret;
+	off = le16_to_cpu(on_off);
+
+	ret = regmap_bulk_read(regmap, ADP5585_PWM_ONT_LOW, &on_off, 2);
+	if (ret)
+		return ret;
+	on = le16_to_cpu(on_off);
+
+	state->duty_cycle = on * (NSEC_PER_SEC / ADP5585_PWM_OSC_FREQ_HZ);
+	state->period = (on + off) * (NSEC_PER_SEC / ADP5585_PWM_OSC_FREQ_HZ);
+
+	state->polarity = PWM_POLARITY_NORMAL;
+
+	regmap_read(regmap, ADP5585_PWM_CFG, &val);
+	state->enabled = !!(val & ADP5585_PWM_EN);
+
+	return 0;
+}
+
+static const struct pwm_ops adp5585_pwm_ops = {
+	.request = pwm_adp5585_request,
+	.free = pwm_adp5585_free,
+	.apply = pwm_adp5585_apply,
+	.get_state = pwm_adp5585_get_state,
+};
+
+static int adp5585_pwm_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct adp5585_dev *adp5585 = dev_get_drvdata(dev->parent);
+	struct pwm_chip *chip;
+	int ret;
+
+	chip = devm_pwmchip_alloc(dev, ADP5585_PWM_CHAN_NUM, 0);
+	if (IS_ERR(chip))
+		return PTR_ERR(chip);
+
+	device_set_of_node_from_dev(dev, dev->parent);
+
+	pwmchip_set_drvdata(chip, adp5585->regmap);
+	chip->ops = &adp5585_pwm_ops;
+
+	ret = devm_pwmchip_add(dev, chip);
+	if (ret)
+		return dev_err_probe(dev, ret, "failed to add PWM chip\n");
+
+	return 0;
+}
+
+static const struct platform_device_id adp5585_pwm_id_table[] = {
+	{ "adp5585-pwm" },
+	{ /* Sentinel */ }
+};
+MODULE_DEVICE_TABLE(platform, adp5585_pwm_id_table);
+
+static struct platform_driver adp5585_pwm_driver = {
+	.driver	= {
+		.name = "adp5585-pwm",
+	},
+	.probe = adp5585_pwm_probe,
+	.id_table = adp5585_pwm_id_table,
+};
+module_platform_driver(adp5585_pwm_driver);
+
+MODULE_AUTHOR("Xiaoning Wang <xiaoning.wang@nxp.com>");
+MODULE_DESCRIPTION("ADP5585 PWM Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/pwm/pwm-atmel-hlcdc.c b/drivers/pwm/pwm-atmel-hlcdc.c
index 2afb302be02c..387a0d1fa4f2 100644
--- a/drivers/pwm/pwm-atmel-hlcdc.c
+++ b/drivers/pwm/pwm-atmel-hlcdc.c
@@ -234,7 +234,7 @@ static const struct of_device_id atmel_hlcdc_dt_ids[] = {
 		.data = &atmel_hlcdc_pwm_sama5d3_errata,
 	},
 	{	.compatible = "microchip,sam9x60-hlcdc", },
-	{ /* sentinel */ },
+	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, atmel_hlcdc_dt_ids);
 
@@ -288,8 +288,9 @@ static void atmel_hlcdc_pwm_remove(struct platform_device *pdev)
 
 static const struct of_device_id atmel_hlcdc_pwm_dt_ids[] = {
 	{ .compatible = "atmel,hlcdc-pwm" },
-	{ /* sentinel */ },
+	{ /* sentinel */ }
 };
+MODULE_DEVICE_TABLE(of, atmel_hlcdc_pwm_dt_ids);
 
 static struct platform_driver atmel_hlcdc_pwm_driver = {
 	.driver = {
@@ -298,7 +299,7 @@ static struct platform_driver atmel_hlcdc_pwm_driver = {
 		.pm = pm_ptr(&atmel_hlcdc_pwm_pm_ops),
 	},
 	.probe = atmel_hlcdc_pwm_probe,
-	.remove_new = atmel_hlcdc_pwm_remove,
+	.remove = atmel_hlcdc_pwm_remove,
 };
 module_platform_driver(atmel_hlcdc_pwm_driver);
 
diff --git a/drivers/pwm/pwm-atmel-tcb.c b/drivers/pwm/pwm-atmel-tcb.c
index f9a9c12cbcdd..5ee4254d1e48 100644
--- a/drivers/pwm/pwm-atmel-tcb.c
+++ b/drivers/pwm/pwm-atmel-tcb.c
@@ -527,7 +527,7 @@ static struct platform_driver atmel_tcb_pwm_driver = {
 		.pm = pm_ptr(&atmel_tcb_pwm_pm_ops),
 	},
 	.probe = atmel_tcb_pwm_probe,
-	.remove_new = atmel_tcb_pwm_remove,
+	.remove = atmel_tcb_pwm_remove,
 };
 module_platform_driver(atmel_tcb_pwm_driver);
 
diff --git a/drivers/pwm/pwm-axi-pwmgen.c b/drivers/pwm/pwm-axi-pwmgen.c
index 3ad60edf20a5..b5477659ba18 100644
--- a/drivers/pwm/pwm-axi-pwmgen.c
+++ b/drivers/pwm/pwm-axi-pwmgen.c
@@ -29,7 +29,6 @@
 #include <linux/regmap.h>
 #include <linux/slab.h>
 
-#define AXI_PWMGEN_REG_CORE_VERSION	0x00
 #define AXI_PWMGEN_REG_ID		0x04
 #define AXI_PWMGEN_REG_SCRATCHPAD	0x08
 #define AXI_PWMGEN_REG_CORE_MAGIC	0x0C
@@ -145,7 +144,7 @@ static int axi_pwmgen_setup(struct regmap *regmap, struct device *dev)
 			"failed to read expected value from register: got %08x, expected %08x\n",
 			val, AXI_PWMGEN_REG_CORE_MAGIC_VAL);
 
-	ret = regmap_read(regmap, AXI_PWMGEN_REG_CORE_VERSION, &val);
+	ret = regmap_read(regmap, ADI_AXI_REG_VERSION, &val);
 	if (ret)
 		return ret;
 
diff --git a/drivers/pwm/pwm-clk.c b/drivers/pwm/pwm-clk.c
index c19a482d7e28..f8f5af57acba 100644
--- a/drivers/pwm/pwm-clk.c
+++ b/drivers/pwm/pwm-clk.c
@@ -130,7 +130,7 @@ static struct platform_driver pwm_clk_driver = {
 		.of_match_table = pwm_clk_dt_ids,
 	},
 	.probe = pwm_clk_probe,
-	.remove_new = pwm_clk_remove,
+	.remove = pwm_clk_remove,
 };
 module_platform_driver(pwm_clk_driver);
 
diff --git a/drivers/pwm/pwm-hibvt.c b/drivers/pwm/pwm-hibvt.c
index 2eb0b13d4e10..e02ee6383dbc 100644
--- a/drivers/pwm/pwm-hibvt.c
+++ b/drivers/pwm/pwm-hibvt.c
@@ -276,7 +276,7 @@ static struct platform_driver hibvt_pwm_driver = {
 		.of_match_table = hibvt_pwm_of_match,
 	},
 	.probe = hibvt_pwm_probe,
-	.remove_new = hibvt_pwm_remove,
+	.remove = hibvt_pwm_remove,
 };
 module_platform_driver(hibvt_pwm_driver);
 
diff --git a/drivers/pwm/pwm-img.c b/drivers/pwm/pwm-img.c
index d6596583ed4e..71542956feca 100644
--- a/drivers/pwm/pwm-img.c
+++ b/drivers/pwm/pwm-img.c
@@ -416,7 +416,7 @@ static struct platform_driver img_pwm_driver = {
 		.of_match_table = img_pwm_of_match,
 	},
 	.probe = img_pwm_probe,
-	.remove_new = img_pwm_remove,
+	.remove = img_pwm_remove,
 };
 module_platform_driver(img_pwm_driver);
 
diff --git a/drivers/pwm/pwm-lp3943.c b/drivers/pwm/pwm-lp3943.c
index 61189cea1046..90b0733c00c1 100644
--- a/drivers/pwm/pwm-lp3943.c
+++ b/drivers/pwm/pwm-lp3943.c
@@ -218,8 +218,7 @@ static int lp3943_pwm_parse_dt(struct device *dev,
 	struct lp3943_platform_data *pdata;
 	struct lp3943_pwm_map *pwm_map;
 	enum lp3943_pwm_output *output;
-	int i, err, proplen, count = 0;
-	u32 num_outputs;
+	int i, err, num_outputs, count = 0;
 
 	if (!node)
 		return -EINVAL;
@@ -234,11 +233,8 @@ static int lp3943_pwm_parse_dt(struct device *dev,
 	 */
 
 	for (i = 0; i < LP3943_NUM_PWMS; i++) {
-		if (!of_get_property(node, name[i], &proplen))
-			continue;
-
-		num_outputs = proplen / sizeof(u32);
-		if (num_outputs == 0)
+		num_outputs = of_property_count_u32_elems(node, name[i]);
+		if (num_outputs <= 0)
 			continue;
 
 		output = devm_kcalloc(dev, num_outputs, sizeof(*output),
diff --git a/drivers/pwm/pwm-lpc18xx-sct.c b/drivers/pwm/pwm-lpc18xx-sct.c
index 04b76d257fd8..f351baa63453 100644
--- a/drivers/pwm/pwm-lpc18xx-sct.c
+++ b/drivers/pwm/pwm-lpc18xx-sct.c
@@ -446,7 +446,7 @@ static struct platform_driver lpc18xx_pwm_driver = {
 		.of_match_table = lpc18xx_pwm_of_match,
 	},
 	.probe = lpc18xx_pwm_probe,
-	.remove_new = lpc18xx_pwm_remove,
+	.remove = lpc18xx_pwm_remove,
 };
 module_platform_driver(lpc18xx_pwm_driver);
 
diff --git a/drivers/pwm/pwm-omap-dmtimer.c b/drivers/pwm/pwm-omap-dmtimer.c
index cd51c4a938f5..1858a77401f8 100644
--- a/drivers/pwm/pwm-omap-dmtimer.c
+++ b/drivers/pwm/pwm-omap-dmtimer.c
@@ -355,7 +355,7 @@ static int pwm_omap_dmtimer_probe(struct platform_device *pdev)
 		goto err_platdata;
 	}
 
-	if (!of_get_property(timer, "ti,timer-pwm", NULL)) {
+	if (!of_property_read_bool(timer, "ti,timer-pwm")) {
 		dev_err(&pdev->dev, "Missing ti,timer-pwm capability\n");
 		ret = -ENODEV;
 		goto err_timer_property;
@@ -455,7 +455,7 @@ static struct platform_driver pwm_omap_dmtimer_driver = {
 		.of_match_table = pwm_omap_dmtimer_of_match,
 	},
 	.probe = pwm_omap_dmtimer_probe,
-	.remove_new = pwm_omap_dmtimer_remove,
+	.remove = pwm_omap_dmtimer_remove,
 };
 module_platform_driver(pwm_omap_dmtimer_driver);
 
diff --git a/drivers/pwm/pwm-rcar.c b/drivers/pwm/pwm-rcar.c
index 4cfecd88ede0..2261789cc27d 100644
--- a/drivers/pwm/pwm-rcar.c
+++ b/drivers/pwm/pwm-rcar.c
@@ -253,7 +253,7 @@ MODULE_DEVICE_TABLE(of, rcar_pwm_of_table);
 
 static struct platform_driver rcar_pwm_driver = {
 	.probe = rcar_pwm_probe,
-	.remove_new = rcar_pwm_remove,
+	.remove = rcar_pwm_remove,
 	.driver = {
 		.name = "pwm-rcar",
 		.of_match_table = rcar_pwm_of_table,
diff --git a/drivers/pwm/pwm-rockchip.c b/drivers/pwm/pwm-rockchip.c
index 0fa7575dbb54..c5f50e5eaf41 100644
--- a/drivers/pwm/pwm-rockchip.c
+++ b/drivers/pwm/pwm-rockchip.c
@@ -386,7 +386,7 @@ static struct platform_driver rockchip_pwm_driver = {
 		.of_match_table = rockchip_pwm_dt_ids,
 	},
 	.probe = rockchip_pwm_probe,
-	.remove_new = rockchip_pwm_remove,
+	.remove = rockchip_pwm_remove,
 };
 module_platform_driver(rockchip_pwm_driver);
 
diff --git a/drivers/pwm/pwm-sifive.c b/drivers/pwm/pwm-sifive.c
index ed7957cc51fd..d5b647e6be78 100644
--- a/drivers/pwm/pwm-sifive.c
+++ b/drivers/pwm/pwm-sifive.c
@@ -336,7 +336,7 @@ MODULE_DEVICE_TABLE(of, pwm_sifive_of_match);
 
 static struct platform_driver pwm_sifive_driver = {
 	.probe = pwm_sifive_probe,
-	.remove_new = pwm_sifive_remove,
+	.remove = pwm_sifive_remove,
 	.driver = {
 		.name = "pwm-sifive",
 		.of_match_table = pwm_sifive_of_match,
diff --git a/drivers/pwm/pwm-stm32.c b/drivers/pwm/pwm-stm32.c
index f85eb41cb084..eb24054f9729 100644
--- a/drivers/pwm/pwm-stm32.c
+++ b/drivers/pwm/pwm-stm32.c
@@ -222,7 +222,7 @@ static int stm32_pwm_capture(struct pwm_chip *chip, struct pwm_device *pwm,
 
 		scale = max_arr / min(max_arr, raw_prd);
 	} else {
-		scale = priv->max_arr; /* bellow resolution, use max scale */
+		scale = priv->max_arr; /* below resolution, use max scale */
 	}
 
 	if (psc && scale > 1) {
diff --git a/drivers/pwm/pwm-sun4i.c b/drivers/pwm/pwm-sun4i.c
index 5c29590d1821..e60dc7d6b591 100644
--- a/drivers/pwm/pwm-sun4i.c
+++ b/drivers/pwm/pwm-sun4i.c
@@ -493,7 +493,7 @@ static struct platform_driver sun4i_pwm_driver = {
 		.of_match_table = sun4i_pwm_dt_ids,
 	},
 	.probe = sun4i_pwm_probe,
-	.remove_new = sun4i_pwm_remove,
+	.remove = sun4i_pwm_remove,
 };
 module_platform_driver(sun4i_pwm_driver);
 
diff --git a/drivers/pwm/pwm-tegra.c b/drivers/pwm/pwm-tegra.c
index a3d69976148f..172063b51d44 100644
--- a/drivers/pwm/pwm-tegra.c
+++ b/drivers/pwm/pwm-tegra.c
@@ -432,7 +432,7 @@ static struct platform_driver tegra_pwm_driver = {
 		.pm = &tegra_pwm_pm_ops,
 	},
 	.probe = tegra_pwm_probe,
-	.remove_new = tegra_pwm_remove,
+	.remove = tegra_pwm_remove,
 };
 
 module_platform_driver(tegra_pwm_driver);
diff --git a/drivers/pwm/pwm-tiecap.c b/drivers/pwm/pwm-tiecap.c
index d6c2b1b1387e..d91b2bdc88fc 100644
--- a/drivers/pwm/pwm-tiecap.c
+++ b/drivers/pwm/pwm-tiecap.c
@@ -324,7 +324,7 @@ static struct platform_driver ecap_pwm_driver = {
 		.pm = pm_ptr(&ecap_pwm_pm_ops),
 	},
 	.probe = ecap_pwm_probe,
-	.remove_new = ecap_pwm_remove,
+	.remove = ecap_pwm_remove,
 };
 module_platform_driver(ecap_pwm_driver);
 
diff --git a/drivers/pwm/pwm-tiehrpwm.c b/drivers/pwm/pwm-tiehrpwm.c
index e5104725d9b7..0125e73b98df 100644
--- a/drivers/pwm/pwm-tiehrpwm.c
+++ b/drivers/pwm/pwm-tiehrpwm.c
@@ -603,7 +603,7 @@ static struct platform_driver ehrpwm_pwm_driver = {
 		.pm = pm_ptr(&ehrpwm_pwm_pm_ops),
 	},
 	.probe = ehrpwm_pwm_probe,
-	.remove_new = ehrpwm_pwm_remove,
+	.remove = ehrpwm_pwm_remove,
 };
 module_platform_driver(ehrpwm_pwm_driver);
 
diff --git a/include/linux/mfd/adp5585.h b/include/linux/mfd/adp5585.h
new file mode 100644
index 000000000000..016033cd68e4
--- /dev/null
+++ b/include/linux/mfd/adp5585.h
@@ -0,0 +1,126 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Analog Devices ADP5585 I/O expander, PWM controller and keypad controller
+ *
+ * Copyright 2022 NXP
+ * Copyright 2024 Ideas on Board Oy
+ */
+
+#ifndef __MFD_ADP5585_H_
+#define __MFD_ADP5585_H_
+
+#include <linux/bits.h>
+
+#define ADP5585_ID			0x00
+#define		ADP5585_MAN_ID_VALUE		0x20
+#define		ADP5585_MAN_ID_MASK		GENMASK(7, 4)
+#define ADP5585_INT_STATUS		0x01
+#define ADP5585_STATUS			0x02
+#define ADP5585_FIFO_1			0x03
+#define ADP5585_FIFO_2			0x04
+#define ADP5585_FIFO_3			0x05
+#define ADP5585_FIFO_4			0x06
+#define ADP5585_FIFO_5			0x07
+#define ADP5585_FIFO_6			0x08
+#define ADP5585_FIFO_7			0x09
+#define ADP5585_FIFO_8			0x0a
+#define ADP5585_FIFO_9			0x0b
+#define ADP5585_FIFO_10			0x0c
+#define ADP5585_FIFO_11			0x0d
+#define ADP5585_FIFO_12			0x0e
+#define ADP5585_FIFO_13			0x0f
+#define ADP5585_FIFO_14			0x10
+#define ADP5585_FIFO_15			0x11
+#define ADP5585_FIFO_16			0x12
+#define ADP5585_GPI_INT_STAT_A		0x13
+#define ADP5585_GPI_INT_STAT_B		0x14
+#define ADP5585_GPI_STATUS_A		0x15
+#define ADP5585_GPI_STATUS_B		0x16
+#define ADP5585_RPULL_CONFIG_A		0x17
+#define ADP5585_RPULL_CONFIG_B		0x18
+#define ADP5585_RPULL_CONFIG_C		0x19
+#define ADP5585_RPULL_CONFIG_D		0x1a
+#define		ADP5585_Rx_PULL_CFG_PU_300K	0
+#define		ADP5585_Rx_PULL_CFG_PD_300K	1
+#define		ADP5585_Rx_PULL_CFG_PU_100K	2
+#define		ADP5585_Rx_PULL_CFG_DISABLE	3
+#define		ADP5585_Rx_PULL_CFG_MASK	3
+#define ADP5585_GPI_INT_LEVEL_A		0x1b
+#define ADP5585_GPI_INT_LEVEL_B		0x1c
+#define ADP5585_GPI_EVENT_EN_A		0x1d
+#define ADP5585_GPI_EVENT_EN_B		0x1e
+#define ADP5585_GPI_INTERRUPT_EN_A	0x1f
+#define ADP5585_GPI_INTERRUPT_EN_B	0x20
+#define ADP5585_DEBOUNCE_DIS_A		0x21
+#define ADP5585_DEBOUNCE_DIS_B		0x22
+#define ADP5585_GPO_DATA_OUT_A		0x23
+#define ADP5585_GPO_DATA_OUT_B		0x24
+#define ADP5585_GPO_OUT_MODE_A		0x25
+#define ADP5585_GPO_OUT_MODE_B		0x26
+#define ADP5585_GPIO_DIRECTION_A	0x27
+#define ADP5585_GPIO_DIRECTION_B	0x28
+#define ADP5585_RESET1_EVENT_A		0x29
+#define ADP5585_RESET1_EVENT_B		0x2a
+#define ADP5585_RESET1_EVENT_C		0x2b
+#define ADP5585_RESET2_EVENT_A		0x2c
+#define ADP5585_RESET2_EVENT_B		0x2d
+#define ADP5585_RESET_CFG		0x2e
+#define ADP5585_PWM_OFFT_LOW		0x2f
+#define ADP5585_PWM_OFFT_HIGH		0x30
+#define ADP5585_PWM_ONT_LOW		0x31
+#define ADP5585_PWM_ONT_HIGH		0x32
+#define ADP5585_PWM_CFG			0x33
+#define		ADP5585_PWM_IN_AND		BIT(2)
+#define		ADP5585_PWM_MODE		BIT(1)
+#define		ADP5585_PWM_EN			BIT(0)
+#define ADP5585_LOGIC_CFG		0x34
+#define ADP5585_LOGIC_FF_CFG		0x35
+#define ADP5585_LOGIC_INT_EVENT_EN	0x36
+#define ADP5585_POLL_PTIME_CFG		0x37
+#define ADP5585_PIN_CONFIG_A		0x38
+#define ADP5585_PIN_CONFIG_B		0x39
+#define ADP5585_PIN_CONFIG_C		0x3a
+#define		ADP5585_PULL_SELECT		BIT(7)
+#define		ADP5585_C4_EXTEND_CFG_GPIO11	(0U << 6)
+#define		ADP5585_C4_EXTEND_CFG_RESET2	(1U << 6)
+#define		ADP5585_C4_EXTEND_CFG_MASK	GENMASK(6, 6)
+#define		ADP5585_R4_EXTEND_CFG_GPIO5	(0U << 5)
+#define		ADP5585_R4_EXTEND_CFG_RESET1	(1U << 5)
+#define		ADP5585_R4_EXTEND_CFG_MASK	GENMASK(5, 5)
+#define		ADP5585_R3_EXTEND_CFG_GPIO4	(0U << 2)
+#define		ADP5585_R3_EXTEND_CFG_LC	(1U << 2)
+#define		ADP5585_R3_EXTEND_CFG_PWM_OUT	(2U << 2)
+#define		ADP5585_R3_EXTEND_CFG_MASK	GENMASK(3, 2)
+#define		ADP5585_R0_EXTEND_CFG_GPIO1	(0U << 0)
+#define		ADP5585_R0_EXTEND_CFG_LY	(1U << 0)
+#define		ADP5585_R0_EXTEND_CFG_MASK	GENMASK(0, 0)
+#define ADP5585_GENERAL_CFG		0x3b
+#define		ADP5585_OSC_EN			BIT(7)
+#define		ADP5585_OSC_FREQ_50KHZ		(0U << 5)
+#define		ADP5585_OSC_FREQ_100KHZ		(1U << 5)
+#define		ADP5585_OSC_FREQ_200KHZ		(2U << 5)
+#define		ADP5585_OSC_FREQ_500KHZ		(3U << 5)
+#define		ADP5585_OSC_FREQ_MASK		GENMASK(6, 5)
+#define		ADP5585_INT_CFG			BIT(1)
+#define		ADP5585_RST_CFG			BIT(0)
+#define ADP5585_INT_EN			0x3c
+
+#define ADP5585_MAX_REG			ADP5585_INT_EN
+
+/*
+ * Bank 0 covers pins "GPIO 1/R0" to "GPIO 6/R5", numbered 0 to 5 by the
+ * driver, and bank 1 covers pins "GPIO 7/C0" to "GPIO 11/C4", numbered 6 to
+ * 10. Some variants of the ADP5585 don't support "GPIO 6/R5". As the driver
+ * uses identical GPIO numbering for all variants to avoid confusion, GPIO 5 is
+ * marked as reserved in the device tree for variants that don't support it.
+ */
+#define ADP5585_BANK(n)			((n) >= 6 ? 1 : 0)
+#define ADP5585_BIT(n)			((n) >= 6 ? BIT((n) - 6) : BIT(n))
+
+struct regmap;
+
+struct adp5585_dev {
+	struct regmap *regmap;
+};
+
+#endif
diff --git a/include/linux/pwm.h b/include/linux/pwm.h
index f8c2dc12dbd3..8acd60b53f58 100644
--- a/include/linux/pwm.h
+++ b/include/linux/pwm.h
@@ -394,9 +394,6 @@ static inline bool pwm_might_sleep(struct pwm_device *pwm)
 }
 
 /* PWM provider APIs */
-int pwm_capture(struct pwm_device *pwm, struct pwm_capture *result,
-		unsigned long timeout);
-
 void pwmchip_put(struct pwm_chip *chip);
 struct pwm_chip *pwmchip_alloc(struct device *parent, unsigned int npwm, size_t sizeof_priv);
 struct pwm_chip *devm_pwmchip_alloc(struct device *parent, unsigned int npwm, size_t sizeof_priv);
@@ -462,13 +459,6 @@ static inline void pwm_disable(struct pwm_device *pwm)
 	might_sleep();
 }
 
-static inline int pwm_capture(struct pwm_device *pwm,
-			      struct pwm_capture *result,
-			      unsigned long timeout)
-{
-	return -EINVAL;
-}
-
 static inline void pwmchip_put(struct pwm_chip *chip)
 {
 }
diff --git a/include/trace/events/pwm.h b/include/trace/events/pwm.h
index 12b35e4ff917..8022701c446d 100644
--- a/include/trace/events/pwm.h
+++ b/include/trace/events/pwm.h
@@ -15,7 +15,8 @@ DECLARE_EVENT_CLASS(pwm,
 	TP_ARGS(pwm, state, err),
 
 	TP_STRUCT__entry(
-		__field(struct pwm_device *, pwm)
+		__field(unsigned int, chipid)
+		__field(unsigned int, hwpwm)
 		__field(u64, period)
 		__field(u64, duty_cycle)
 		__field(enum pwm_polarity, polarity)
@@ -24,7 +25,8 @@ DECLARE_EVENT_CLASS(pwm,
 	),
 
 	TP_fast_assign(
-		__entry->pwm = pwm;
+		__entry->chipid = pwm->chip->id;
+		__entry->hwpwm = pwm->hwpwm;
 		__entry->period = state->period;
 		__entry->duty_cycle = state->duty_cycle;
 		__entry->polarity = state->polarity;
@@ -32,8 +34,8 @@ DECLARE_EVENT_CLASS(pwm,
 		__entry->err = err;
 	),
 
-	TP_printk("%p: period=%llu duty_cycle=%llu polarity=%d enabled=%d err=%d",
-		  __entry->pwm, __entry->period, __entry->duty_cycle,
+	TP_printk("pwmchip%u.%u: period=%llu duty_cycle=%llu polarity=%d enabled=%d err=%d",
+		  __entry->chipid, __entry->hwpwm, __entry->period, __entry->duty_cycle,
 		  __entry->polarity, __entry->enabled, __entry->err)
 
 );