Merge tag 'mfd-next-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull mfd updates from Lee Jones:
 "Core Frameworks:
   - Fix Software Node clean-up code

  New Drivers:
   - Add support for MediaTek MT6359 PMIC
   - Add support for Qualcomm PM8008 PMIC
   - Add support for Richtek RT4831

  New Device Support:
   - Add support for Audio CODECs to Rockchip RK817
   - Add support for Alder Lake-M to Intel LPSS PCI
   - Add support for Periph Device Charge to ChromeOS EC

  New Functionality:
   - Provide additional IRQs for wcd934x
   - Add optional Reset functionality to lp87565

  Fix-ups:
   - Namespacing & visibility fixes to lp87565
   - Differentiate between Power and Home key IRQs in mt6358
   - Export I2C device tables in da9052-i2c, stmpe-i2c
   - Adapt IRQ flags in max8907, rn5t61, max8907
   - Make some functions/devices optional in axp20x, cros_ec_dev
   - Explicitly include used header files in ioc3
   - Remove superfluous lines in MAINTAINERS, sec-core, st,stm32-timers
   - Resolve Kerneldoc issues in omap-usb-host, omap-usb-tll, si476x-cmd, si476x-i2c
   - Convert arizona-core to a module
   - Copyright changes in hi655x-pmic
   - Drop support for board file initialisation in sec-core
   - Trivial spelling, whitespace etc updates in lp87565, si476x-cmd,
     mt6360-core, wm831x-core, twl-core, db8500-prcmu
   - Simplify various implementations of wcd934x, mt6360-core, max8997,
     max8998, da9052-i2c, da9062-core, sec-core,
   - Device Tree binding changes in google,cros-ec,
     richtek,rt4831-backlight, db8500-prcmu, qcom,pm8008, qcom,spmi-pmic
   - Use provided APIs to simplify t7l66xb, as3722, da9055-core,
     tps80031, 88pm800, 88pm805, asic3, sun6i-prcm, wm831x-core,
     wm831x-otp, ucb1x00-assabet, timberdale, sm501, pcf50633-core,
     kempld-core, janz-cmodio, intel_soc_pmic_bxtwc, ab8500-core

  Bug Fixes:
   - Fix unused variable warning in rk817_codec
   - Fix regulator voltage configuration in rohm-bd71828
   - Fix ongoing freeing of regmap_config 'name' issue in syscon
   - Fix error handling path in da9063-i2c
   - Fix Kconfig issues in MFD_MP2629
   - Fix DMA mask warnings in motorola-cpcap"

* tag 'mfd-next-5.14' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (83 commits)
  mfd: cros_ec: Add peripheral device charger
  mfd: max8907: Remove IRQF_NO_AUTOEN flag
  mfd: ab8500-core: Use DEVICE_ATTR_RO/RW macro
  mfd: intel_soc_pmic_bxtwc: Use DEVICE_ATTR_ADMIN_RW macro
  mfd: janz-cmodio: Use DEVICE_ATTR_RO macro
  mfd: kempld-core: Use DEVICE_ATTR_RO macro
  mfd: pcf50633: Use DEVICE_ATTR_ADMIN_RO macro
  mfd: sm501: Use DEVICE_ATTR_RO macro
  mfd: timberdale: Use DEVICE_ATTR_RO macro
  mfd: ucb1x00-assabet: Use DEVICE_ATTR_RO macro
  mfd: wm831x: Use DEVICE_ATTR_RO macro
  mfd: wm831x: Use DEFINE_RES_IRQ_NAMED() and DEFINE_RES_IRQ() to simplify code
  dt-bindings: mfd: stm32-timers: Remove #address/size cells from required properties
  mfd: sun6i-prcm: Use DEFINE_RES_MEM() to simplify code
  mfd: asic3: Use DEFINE_RES_MEM() and DEFINE_RES_IRQ() to simplify code
  mfd: 88pm805: Use DEFINE_RES_IRQ_NAMED() to simplify code
  mfd: 88pm800: Use DEFINE_RES_IRQ_NAMED() to simplify code
  mfd: tps80031: Use DEFINE_RES_IRQ() to simplify code
  mfd: da9055: Use DEFINE_RES_IRQ_NAMED() to simplify code
  mfd: as3722: Use DEFINE_RES_IRQ_NAMED() to simplify code
  ...

1 files changed, 62 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/leds/backlight/richtek,rt4831-backlight.yaml b/Documentation/devicetree/bindings/leds/backlight/richtek,rt4831-backlight.yaml
new file mode 100644
index 000000000000..e0ac68694b63
--- /dev/null
+++ b/Documentation/devicetree/bindings/leds/backlight/richtek,rt4831-backlight.yaml
@@ -0,0 +1,62 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/leds/backlight/richtek,rt4831-backlight.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Richtek RT4831 Backlight
+
+maintainers:
+  - ChiYuan Huang <cy_huang@richtek.com>
+
+description: |
+  RT4831 is a mutifunctional device that can provide power to the LCD display
+  and LCD backlight.
+
+  For the LCD backlight, it can provide four channel WLED driving capability.
+  Each channel driving current is up to 30mA
+
+  Datasheet is available at
+  https://www.richtek.com/assets/product_file/RT4831A/DS4831A-05.pdf
+
+allOf:
+  - $ref: common.yaml#
+
+properties:
+  compatible:
+    const: richtek,rt4831-backlight
+
+  default-brightness:
+    minimum: 0
+    maximum: 2048
+
+  max-brightness:
+    minimum: 0
+    maximum: 2048
+
+  richtek,pwm-enable:
+    description: |
+      Specify the backlight dimming following by PWM duty or by SW control.
+    type: boolean
+
+  richtek,bled-ovp-sel:
+    description: |
+      Backlight OVP level selection, currently support 17V/21V/25V/29V.
+    $ref: /schemas/types.yaml#/definitions/uint8
+    default: 1
+    minimum: 0
+    maximum: 3
+
+  richtek,channel-use:
+    description: |
+      Backlight LED channel to be used.
+      BIT 0/1/2/3 is used to indicate led channel 1/2/3/4 enable or disable.
+    $ref: /schemas/types.yaml#/definitions/uint8
+    minimum: 1
+    maximum: 15
+
+required:
+  - compatible
+  - richtek,channel-use
+
+additionalProperties: false