Merge tag 'mfd-next-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "New Drivers:
   - Add support for Merrifield Basin Cove PMIC

  New Device Support:
   - Add support for Intel Tiger Lake to Intel LPSS PCI
   - Add support for Intel Sky Lake to Intel LPSS PCI
   - Add support for ST-Ericsson DB8520 to DB8500 PRCMU

  New Functionality:
   - Add RTC and PWRC support to MT6323

  Fix-ups:
   - Clean-up include files; davinci_voicecodec, asic3, sm501, mt6397
   - Ignore return values from debugfs_create*(); ab3100-*, ab8500-debugfs, aat2870-core
   - Device Tree changes; rn5t618, mt6397
   - Use new I2C API; tps80031, 88pm860x-core, ab3100-core, bcm590xx,
                      da9150-core, max14577, max77693, max77843, max8907,
                      max8925-i2c, max8997, max8998, palmas, twl-core,
   - Remove obsolete code; da9063, jz4740-adc
   - Simplify semantics; timberdale, htc-i2cpld
   - Add 'fall-through' tags; omap-usb-host, db8500-prcmu
   - Remove superfluous prints; ab8500-debugfs, db8500-prcmu, fsl-imx25-tsadc,
                                intel_soc_pmic_bxtwc, qcom_rpm, sm501
   - Trivial rename/whitespace/typo fixes; mt6397-core, MAINTAINERS
   - Reorganise code structure; mt6397-*
   - Improve code consistency; intel-lpss
   - Use MODULE_SOFTDEP() helper; intel-lpss
   - Use DEFINE_RES_*() helpers; mt6397-core

  Bug Fixes:
   - Clean-up resources; max77620
   - Prevent input events being dropped on resume; intel-lpss-pci
   - Prevent sleeping in IRQ context; ezx-pcap"

* tag 'mfd-next-5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (48 commits)
  mfd: mt6323: Add MT6323 RTC and PWRC
  mfd: mt6323: Replace boilerplate resource code with DEFINE_RES_* macros
  mfd: mt6397: Add mutex include
  dt-bindings: mfd: mediatek: Add MT6323 Power Controller
  dt-bindings: mfd: mediatek: Update RTC to include MT6323
  dt-bindings: mfd: mediatek: mt6397: Change to relative paths
  mfd: db8500-prcmu: Support the higher DB8520 ARMSS
  mfd: intel-lpss: Use MODULE_SOFTDEP() instead of implicit request
  mfd: htc-i2cpld: Drop check because i2c_unregister_device() is NULL safe
  mfd: sm501: Include the GPIO driver header
  mfd: intel-lpss: Add Intel Skylake ACPI IDs
  mfd: intel-lpss: Consistently use GENMASK()
  mfd: Add support for Merrifield Basin Cove PMIC
  mfd: ezx-pcap: Replace mutex_lock with spin_lock
  mfd: asic3: Include the right header
  MAINTAINERS: altera-sysmgr: Fix typo in a filepath
  mfd: mt6397: Extract IRQ related code from core driver
  mfd: mt6397: Rename macros to something more readable
  mfd: Remove dev_err() usage after platform_get_irq()
  mfd: db8500-prcmu: Mark expected switch fall-throughs
  ...

Documentation/devicetree/bindings/mfd/mt6397.txt

@@ -8,11 +8,12 @@ MT6397/MT6323 is a multifunction device with the following sub modules:
 - Clock
 - LED
 - Keys
+- Power controller
 
 It is interfaced to host controller using SPI interface by a proprietary hardware
 called PMIC wrapper or pwrap. MT6397/MT6323 MFD is a child device of pwrap.
 See the following for pwarp node definitions:
-Documentation/devicetree/bindings/soc/mediatek/pwrap.txt
+../soc/mediatek/pwrap.txt
 
 This document describes the binding for MFD device and its sub module.
 
@@ -22,14 +23,16 @@ compatible: "mediatek,mt6397" or "mediatek,mt6323"
 Optional subnodes:
 
 - rtc
-	Required properties:
+	Required properties: Should be one of follows
+		- compatible: "mediatek,mt6323-rtc"
 		- compatible: "mediatek,mt6397-rtc"
+	For details, see ../rtc/rtc-mt6397.txt
 - regulators
 	Required properties:
 		- compatible: "mediatek,mt6397-regulator"
-	see Documentation/devicetree/bindings/regulator/mt6397-regulator.txt
+	see ../regulator/mt6397-regulator.txt
 		- compatible: "mediatek,mt6323-regulator"
-	see Documentation/devicetree/bindings/regulator/mt6323-regulator.txt
+	see ../regulator/mt6323-regulator.txt
 - codec
 	Required properties:
 		- compatible: "mediatek,mt6397-codec"
@@ -39,12 +42,17 @@ Optional subnodes:
 - led
 	Required properties:
 		- compatible: "mediatek,mt6323-led"
-	see Documentation/devicetree/bindings/leds/leds-mt6323.txt
+	see ../leds/leds-mt6323.txt
 
 - keys
 	Required properties:
 		- compatible: "mediatek,mt6397-keys" or "mediatek,mt6323-keys"
-	see Documentation/devicetree/bindings/input/mtk-pmic-keys.txt
+	see ../input/mtk-pmic-keys.txt
+
+- power-controller
+	Required properties:
+		- compatible: "mediatek,mt6323-pwrc"
+	For details, see ../power/reset/mt6323-poweroff.txt
 
 Example:
 	pwrap: pwrap@1000f000 {

Documentation/devicetree/bindings/mfd/rn5t618.txt

@@ -14,6 +14,10 @@ Required properties:
 		"ricoh,rc5t619"
  - reg: the I2C slave address of the device
 
+Optional properties:
+ - system-power-controller:
+   See Documentation/devicetree/bindings/power/power-controller.txt
+
 Sub-nodes:
  - regulators: the node is required if the regulator functionality is
    needed. The valid regulator names are: DCDC1, DCDC2, DCDC3, DCDC4
@@ -28,6 +32,7 @@ Example:
 	pmic@32 {
 		compatible = "ricoh,rn5t618";
 		reg = <0x32>;
+		system-power-controller;
 
 		regulators {
 			DCDC1 {

Documentation/devicetree/bindings/power/reset/mt6323-poweroff.txt

@@ -0,0 +1,20 @@
+Device Tree Bindings for Power Controller on MediaTek PMIC
+
+The power controller which could be found on PMIC is responsible for externally
+powering off or on the remote MediaTek SoC through the circuit BBPU.
+
+Required properties:
+- compatible: Should be one of follows
+       "mediatek,mt6323-pwrc": for MT6323 PMIC
+
+Example:
+
+       pmic {
+               compatible = "mediatek,mt6323";
+
+               ...
+
+               power-controller {
+                       compatible = "mediatek,mt6323-pwrc";
+               };
+       }