Merge tag 'mfd-for-linus-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD updates from Lee Jones:
 "Core framework:
   - Add the MFD bindings doc to MAINTAINERS

  New drivers:
   - X-Powers AC100 Audio CODEC and RTC
   - TI LP873x PMIC
   - Rockchip RK808 PMIC
   - Samsung Exynos Low Power Audio

  New device support:
   - Add support for STMPE1600 variant to stmpe
   - Add support for PM8018 PMIC to pm8921-core
   - Add support for AXP806 PMIC in axp20x
   - Add support for AXP209 GPIO in axp20x

  New functionality:
   - Add support for Reset to all STMPE variants
   - Add support for MKBP event support to cros_ec
   - Add support for USB to intel_soc_pmic_bxtwc
   - Add support for IRQs and Power Button to tps65217

  Fix-ups:
   - Clean-up defunct author emails (da9063, max14577)
   - Kconfig fixups (wm8350-i2c, as37220
   - Constify (altera-a10sr, sm501)
   - Supply PCI IDs (intel-lpss-pci)
   - Improve clocking (qcom_rpm)
   - Fix IRQ probing (ucb1x00-core)
   - Ensure fault log is cleared (da9052)
   - Remove NO_IRQ check (ucb1x00-core)
   - Supply I2C properties (intel-lpss-acpi, intel-lpss-pci)
   - Non standard declaration (tps65217, max8997-irq)
   - Remove unused code (lp873x, db8500-prcmu, ab8500-debugfs,
     cros_ec_spi)
   - Make non-modular (altera-a10sr, intel_msic, smsc-ece1099,
     sun6i-prcm, twl-core)
   - OF bindings (ac100, stmpe, qcom-pm8xxx, qcom-rpm, rk808, axp20x,
     lp873x, exynos5433-lpass, act8945a, aspeed-scu, twl6040, arizona)

  Bugfixes:
   - Release OF pointer (qcom_rpm)
   - Avoid double shifting in suspend/resume (88pm80x)
   - Fix 'defined but not used' error (exynos-lpass)
   - Fix 'sleeping whilst attomic' (atmel-hlcdc)"

* tag 'mfd-for-linus-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (69 commits)
  mfd: arizona: Handle probe deferral for reset GPIO
  mfd: arizona: Remove arizona_of_get_named_gpio helper function
  mfd: arizona: Add DT options for max_channels_clocked and PDM speaker config
  mfd: twl6040: Register child device for twl6040-pdmclk
  mfd: cros_ec_spi: Remove unused variable 'request'
  mfd: omap-usb-host: Return value is not 'const int'
  mfd: ab8500-debugfs: Remove 'weak' function suspend_test_wake_cause_interrupt_is_mine()
  mfd: ab8500-debugfs: Remove ab8500_dump_all_banks_to_mem()
  mfd: db8500-prcmu: Remove unused *prcmu_set_ddr_opp() calls
  mfd: ab8500-debugfs: Prevent initialised field from being over-written
  mfd: max8997-irq: 'inline' should be at the beginning of the declaration
  mfd: rk808: Fix RK818_IRQ_DISCHG_ILIM initializer
  mfd: tps65217: Fix nonstandard declaration
  mfd: lp873x: Remove unused mutex lock from struct lp873x
  mfd: atmel-hlcdc: Do not sleep in atomic context
  mfd: exynos-lpass: Mark PM functions as __maybe_unused
  mfd: intel-lpss: Add default I2C device properties for Apollo Lake
  mfd: twl-core: Make it explicitly non-modular
  mfd: sun6i-prcm: Make it explicitly non-modular
  mfd: smsc-ece1099: Make it explicitly non-modular
  ...

11 files changed, 311 insertions, 12 deletions

diff --git a/Documentation/devicetree/bindings/mfd/ac100.txt b/Documentation/devicetree/bindings/mfd/ac100.txt
new file mode 100644
index 000000000000..b8ef00667599
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/ac100.txt
@@ -0,0 +1,54 @@
+X-Powers AC100 Codec/RTC IC Device Tree bindings
+
+AC100 is a audio codec and RTC subsystem combo IC. The 2 parts are
+separated, including power supplies and interrupt lines, but share
+a common register address space and host interface.
+
+Required properties:
+- compatible: "x-powers,ac100"
+- reg: The I2C slave address or RSB hardware address for the chip
+- sub-nodes:
+  - codec
+    - compatible:		"x-powers,ac100-codec"
+    - interrupt-parent:		The parent interrupt controller
+    - interrupts:		SoC NMI / GPIO interrupt connected to the
+    				IRQ_AUDIO pin
+    - #clock-cells:		Shall be 0
+    - clock-output-names:	"4M_adda"
+
+    - see clock/clock-bindings.txt for common clock bindings
+
+  - rtc
+    - compatible:		"x-powers,ac100-rtc"
+    - interrupt-parent:		The parent interrupt controller
+    - interrupts:		SoC NMI / GPIO interrupt connected to the
+    				IRQ_RTC pin
+    - clocks:			A phandle to the codec's "4M_adda" clock
+    - #clock-cells:		Shall be 1
+    - clock-output-names:	"cko1_rtc", "cko2_rtc", "cko3_rtc"
+
+    - see clock/clock-bindings.txt for common clock bindings
+
+Example:
+
+ac100: codec@e89 {
+	compatible = "x-powers,ac100";
+	reg = <0xe89>;
+
+	ac100_codec: codec {
+		compatible = "x-powers,ac100-codec";
+		interrupt-parent = <&r_pio>;
+		interrupts = <0 9 IRQ_TYPE_LEVEL_LOW>; /* PL9 */
+		#clock-cells = <0>;
+		clock-output-names = "4M_adda";
+	};
+
+	ac100_rtc: rtc {
+		compatible = "x-powers,ac100-rtc";
+		interrupt-parent = <&nmi_intc>;
+		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+		clocks = <&ac100_codec>;
+		#clock-cells = <1>;
+		clock-output-names = "cko1_rtc", "cko2_rtc", "cko3_rtc";
+	};
+};
diff --git a/Documentation/devicetree/bindings/mfd/act8945a.txt b/Documentation/devicetree/bindings/mfd/act8945a.txt
index f71283055685..462819ac3da8 100644
--- a/Documentation/devicetree/bindings/mfd/act8945a.txt
+++ b/Documentation/devicetree/bindings/mfd/act8945a.txt
@@ -14,13 +14,6 @@ Example:
 		reg = <0x5b>;
 		status = "okay";
 
-		pinctrl-names = "default";
-		pinctrl-0 = <&pinctrl_charger_chglev>;
-		active-semi,chglev-gpio = <&pioA 12 GPIO_ACTIVE_HIGH>;
-		active-semi,input-voltage-threshold-microvolt = <6600>;
-		active-semi,precondition-timeout = <40>;
-		active-semi,total-timeout = <3>;
-
 		active-semi,vsel-high;
 
 		regulators {
@@ -73,4 +66,19 @@ Example:
 				regulator-always-on;
 			};
 		};
+
+		charger {
+			compatible = "active-semi,act8945a-charger";
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_charger_chglev &pinctrl_charger_lbo &pinctrl_charger_irq>;
+			interrupt-parent = <&pioA>;
+			interrupts = <45 GPIO_ACTIVE_LOW>;
+
+			active-semi,chglev-gpios = <&pioA 12 GPIO_ACTIVE_HIGH>;
+			active-semi,lbo-gpios = <&pioA 72 GPIO_ACTIVE_LOW>;
+			active-semi,input-voltage-threshold-microvolt = <6600>;
+			active-semi,precondition-timeout = <40>;
+			active-semi,total-timeout = <3>;
+			status = "okay";
+		};
 	};
diff --git a/Documentation/devicetree/bindings/mfd/arizona.txt b/Documentation/devicetree/bindings/mfd/arizona.txt
index a6e2ea41160c..8f2e2822238d 100644
--- a/Documentation/devicetree/bindings/mfd/arizona.txt
+++ b/Documentation/devicetree/bindings/mfd/arizona.txt
@@ -85,6 +85,24 @@ Optional properties:
     present, the number of values should be less than or equal to the
     number of inputs, unspecified inputs will use the chip default.
 
+  - wlf,max-channels-clocked : The maximum number of channels to be clocked on
+    each AIF, useful for I2S systems with multiple data lines being mastered.
+    Specify one cell for each AIF to be configured, specify zero for AIFs that
+    should be handled normally.
+    If present, number of cells must be less than or equal to the number of
+    AIFs. If less than the number of AIFs, for cells that have not been
+    specified the corresponding AIFs will be treated as default setting.
+
+  - wlf,spk-fmt : PDM speaker data format, must contain 2 cells (OUT5 and OUT6).
+    See the datasheet for values.
+    The second cell is ignored for codecs that do not have OUT6 (wm5102, wm8997,
+      wm8998, wm1814)
+
+  - wlf,spk-mute : PDM speaker mute setting, must contain 2 cells (OUT5 and OUT6).
+    See the datasheet for values.
+    The second cell is ignored for codecs that do not have OUT6 (wm5102, wm8997,
+    wm8998, wm1814)
+
   - DCVDD-supply, MICVDD-supply : Power supplies, only need to be specified if
     they are being externally supplied. As covered in
     Documentation/devicetree/bindings/regulator/regulator.txt
diff --git a/Documentation/devicetree/bindings/mfd/aspeed-scu.txt b/Documentation/devicetree/bindings/mfd/aspeed-scu.txt
new file mode 100644
index 000000000000..4fc5b83726d6
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/aspeed-scu.txt
@@ -0,0 +1,18 @@
+The Aspeed System Control Unit manages the global behaviour of the SoC,
+configuring elements such as clocks, pinmux, and reset.
+
+Required properties:
+- compatible:	One of:
+		"aspeed,ast2400-scu", "syscon", "simple-mfd"
+		"aspeed,g4-scu", "syscon", "simple-mfd"
+		"aspeed,ast2500-scu", "syscon", "simple-mfd"
+		"aspeed,g5-scu", "syscon", "simple-mfd"
+
+- reg:		contains the offset and length of the SCU memory region
+
+Example:
+
+syscon: syscon@1e6e2000 {
+	compatible = "aspeed,ast2400-scu", "syscon", "simple-mfd";
+	reg = <0x1e6e2000 0x1a8>;
+};
diff --git a/Documentation/devicetree/bindings/mfd/axp20x.txt b/Documentation/devicetree/bindings/mfd/axp20x.txt
index 585a95546288..8f3ad9ab4637 100644
--- a/Documentation/devicetree/bindings/mfd/axp20x.txt
+++ b/Documentation/devicetree/bindings/mfd/axp20x.txt
@@ -10,7 +10,8 @@ axp809 (X-Powers)
 
 Required properties:
 - compatible: "x-powers,axp152", "x-powers,axp202", "x-powers,axp209",
-	      "x-powers,axp221", "x-powers,axp223", "x-powers,axp809"
+	      "x-powers,axp221", "x-powers,axp223", "x-powers,axp806",
+	      "x-powers,axp809"
 - reg: The I2C slave address or RSB hardware address for the AXP chip
 - interrupt-parent: The parent interrupt controller
 - interrupts: SoC NMI / GPIO interrupt connected to the PMIC's IRQ pin
@@ -47,7 +48,6 @@ Optional properties for DCDC regulators:
 			  probably makes sense for HiFi audio related
 			  applications that aren't battery constrained.
 
-
 AXP202/AXP209 regulators, type, and corresponding input supply names:
 
 Regulator	  Type		  Supply Name		  Notes
@@ -86,6 +86,30 @@ LDO_IO1		: LDO		: ips-supply		: GPIO 1
 RTC_LDO		: LDO		: ips-supply		: always on
 DRIVEVBUS	: Enable output	: drivevbus-supply	: external regulator
 
+AXP806 regulators, type, and corresponding input supply names:
+
+Regulator	  Type		  Supply Name		  Notes
+---------	  ----		  -----------		  -----
+DCDCA		: DC-DC buck	: vina-supply		: poly-phase capable
+DCDCB		: DC-DC buck	: vinb-supply		: poly-phase capable
+DCDCC		: DC-DC	buck	: vinc-supply		: poly-phase capable
+DCDCD		: DC-DC	buck	: vind-supply		: poly-phase capable
+DCDCE		: DC-DC	buck	: vine-supply		: poly-phase capable
+ALDO1		: LDO		: aldoin-supply		: shared supply
+ALDO2		: LDO		: aldoin-supply		: shared supply
+ALDO3		: LDO		: aldoin-supply		: shared supply
+BLDO1		: LDO		: bldoin-supply		: shared supply
+BLDO2		: LDO		: bldoin-supply		: shared supply
+BLDO3		: LDO		: bldoin-supply		: shared supply
+BLDO4		: LDO		: bldoin-supply		: shared supply
+CLDO1		: LDO		: cldoin-supply		: shared supply
+CLDO2		: LDO		: cldoin-supply		: shared supply
+CLDO3		: LDO		: cldoin-supply		: shared supply
+SW		: On/Off Switch : swin-supply
+
+Additionally, the AXP806 DC-DC regulators support poly-phase arrangements
+for higher output current. The possible groupings are: A+B, A+B+C, D+E.
+
 AXP809 regulators, type, and corresponding input supply names:
 
 Regulator	  Type		  Supply Name		  Notes
diff --git a/Documentation/devicetree/bindings/mfd/lp873x.txt b/Documentation/devicetree/bindings/mfd/lp873x.txt
new file mode 100644
index 000000000000..52766c2035f7
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/lp873x.txt
@@ -0,0 +1,59 @@
+TI LP873X PMIC MFD driver
+
+Required properties:
+  - compatible:	"ti,lp8732", "ti,lp8733"
+  - reg:		I2C slave address.
+  - gpio-controller:	Marks the device node as a GPIO Controller.
+  - #gpio-cells:	Should be two.  The first cell is the pin number and
+			the second cell is used to specify flags.
+			See ../gpio/gpio.txt for more information.
+  - regulators:	List of child nodes that specify the regulator
+			initialization data.
+Example:
+
+pmic: lp8733@60 {
+	compatible = "ti,lp8733";
+	reg = <0x60>;
+	gpio-controller;
+	#gpio-cells = <2>;
+
+	regulators {
+		lp8733_buck0: buck0 {
+			regulator-name = "lp8733-buck0";
+			regulator-min-microvolt = <800000>;
+			regulator-max-microvolt = <1400000>;
+			regulator-min-microamp = <1500000>;
+			regulator-max-microamp = <4000000>;
+			regulator-ramp-delay = <10000>;
+			regulator-always-on;
+			regulator-boot-on;
+		};
+
+		lp8733_buck1: buck1 {
+			regulator-name = "lp8733-buck1";
+			regulator-min-microvolt = <800000>;
+			regulator-max-microvolt = <1400000>;
+			regulator-min-microamp = <1500000>;
+			regulator-max-microamp = <4000000>;
+			regulator-ramp-delay = <10000>;
+			regulator-boot-on;
+			regulator-always-on;
+		};
+
+		lp8733_ldo0: ldo0 {
+			regulator-name = "lp8733-ldo0";
+			regulator-min-microvolt = <800000>;
+			regulator-max-microvolt = <3000000>;
+			regulator-boot-on;
+			regulator-always-on;
+		};
+
+		lp8733_ldo1: ldo1 {
+			regulator-name = "lp8733-ldo1";
+			regulator-min-microvolt = <800000>;
+			regulator-max-microvolt = <3000000>;
+			regulator-always-on;
+			regulator-boot-on;
+		};
+	};
+};
diff --git a/Documentation/devicetree/bindings/mfd/qcom-pm8xxx.txt b/Documentation/devicetree/bindings/mfd/qcom-pm8xxx.txt
index f24f33409164..37a088f9a648 100644
--- a/Documentation/devicetree/bindings/mfd/qcom-pm8xxx.txt
+++ b/Documentation/devicetree/bindings/mfd/qcom-pm8xxx.txt
@@ -62,6 +62,7 @@ The below bindings specify the set of valid subnodes.
 		    "qcom,pm8058-rtc"
 		    "qcom,pm8921-rtc"
 		    "qcom,pm8941-rtc"
+		    "qcom,pm8018-rtc"
 
 - reg:
 	Usage: required
diff --git a/Documentation/devicetree/bindings/mfd/qcom-rpm.txt b/Documentation/devicetree/bindings/mfd/qcom-rpm.txt
index b98b291a31ba..485bc59fcc48 100644
--- a/Documentation/devicetree/bindings/mfd/qcom-rpm.txt
+++ b/Documentation/devicetree/bindings/mfd/qcom-rpm.txt
@@ -13,6 +13,7 @@ frequencies.
 		    "qcom,rpm-msm8660"
 		    "qcom,rpm-msm8960"
 		    "qcom,rpm-ipq8064"
+		    "qcom,rpm-mdm9615"
 
 - reg:
 	Usage: required
@@ -59,6 +60,7 @@ Regulator nodes are identified by their compatible:
 		    "qcom,rpm-pm8058-regulators"
 		    "qcom,rpm-pm8901-regulators"
 		    "qcom,rpm-pm8921-regulators"
+		    "qcom,rpm-pm8018-regulators"
 
 - vdd_l0_l1_lvs-supply:
 - vdd_l2_l11_l12-supply:
@@ -137,6 +139,15 @@ Regulator nodes are identified by their compatible:
 	Definition: reference to regulator supplying the input pin, as
 		    described in the data sheet
 
+- vin_lvs1-supply:
+- vdd_l7-supply:
+- vdd_l8-supply:
+- vdd_l9_l10_l11_l12-supply:
+	Usage: optional (pm8018 only)
+	Value type: <phandle>
+	Definition: reference to regulator supplying the input pin, as
+		    described in the data sheet
+
 The regulator node houses sub-nodes for each regulator within the device. Each
 sub-node is identified using the node's name, with valid values listed for each
 of the pmics below.
@@ -156,6 +167,10 @@ pm8921:
 	l29, lvs1, lvs2, lvs3, lvs4, lvs5, lvs6, lvs7, usb-switch, hdmi-switch,
 	ncp
 
+pm8018:
+	s1, s2, s3, s4, s5, , l1, l2, l3, l4, l5, l6, l7, l8, l9, l10, l11,
+	l12, l14, lvs1
+
 The content of each sub-node is defined by the standard binding for regulators -
 see regulator.txt - with additional custom properties described below:
 
diff --git a/Documentation/devicetree/bindings/mfd/rk808.txt b/Documentation/devicetree/bindings/mfd/rk808.txt
index 4ca6aab4273a..9636ae8d8d41 100644
--- a/Documentation/devicetree/bindings/mfd/rk808.txt
+++ b/Documentation/devicetree/bindings/mfd/rk808.txt
@@ -1,7 +1,11 @@
-RK808 Power Management Integrated Circuit
+RK8XX Power Management Integrated Circuit
+
+The rk8xx family current members:
+rk808
+rk818
 
 Required properties:
-- compatible: "rockchip,rk808"
+- compatible: "rockchip,rk808", "rockchip,rk818"
 - reg: I2C slave address
 - interrupt-parent: The parent interrupt controller.
 - interrupts: the interrupt outputs of the controller.
@@ -13,6 +17,8 @@ Optional properties:
   default output clock name
 - rockchip,system-power-controller: Telling whether or not this pmic is controlling
   the system power.
+
+Optional RK808 properties:
 - vcc1-supply:  The input supply for DCDC_REG1
 - vcc2-supply:  The input supply for DCDC_REG2
 - vcc3-supply:  The input supply for DCDC_REG3
@@ -29,7 +35,20 @@ Optional properties:
   the gpio controller. If DVS GPIOs aren't present, voltage changes will happen
   very quickly with no slow ramp time.
 
-Regulators: All the regulators of RK808 to be instantiated shall be
+Optional RK818 properties:
+- vcc1-supply:  The input supply for DCDC_REG1
+- vcc2-supply:  The input supply for DCDC_REG2
+- vcc3-supply:  The input supply for DCDC_REG3
+- vcc4-supply:  The input supply for DCDC_REG4
+- boost-supply: The input supply for DCDC_BOOST
+- vcc6-supply:  The input supply for LDO_REG1 and LDO_REG2
+- vcc7-supply:  The input supply for LDO_REG3, LDO_REG5 and LDO_REG7
+- vcc8-supply:  The input supply for LDO_REG4, LDO_REG6 and LDO_REG8
+- vcc9-supply:  The input supply for LDO_REG9 and SWITCH_REG
+- h_5v-supply:  The input supply for HDMI_SWITCH
+- usb-supply:   The input supply for OTG_SWITCH
+
+Regulators: All the regulators of RK8XX to be instantiated shall be
 listed in a child node named 'regulators'. Each regulator is represented
 by a child node of the 'regulators' node.
 
@@ -48,6 +67,18 @@ number as described in RK808 datasheet.
 	- SWITCH_REGn
 		- valid values for n are 1 to 2
 
+Following regulators of the RK818 PMIC block are supported. Note that
+the 'n' in regulator name, as in DCDC_REGn or LDOn, represents the DCDC or LDO
+number as described in RK818 datasheet.
+
+	- DCDC_REGn
+		- valid values for n are 1 to 4.
+	- LDO_REGn
+		- valid values for n are 1 to 9.
+	- SWITCH_REG
+	- HDMI_SWITCH
+	- OTG_SWITCH
+
 Standard regulator bindings are used inside regulator subnodes. Check
   Documentation/devicetree/bindings/regulator/regulator.txt
 for more details
diff --git a/Documentation/devicetree/bindings/mfd/samsung,exynos5433-lpass.txt b/Documentation/devicetree/bindings/mfd/samsung,exynos5433-lpass.txt
new file mode 100644
index 000000000000..c110e118b79f
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/samsung,exynos5433-lpass.txt
@@ -0,0 +1,70 @@
+Samsung Exynos SoC Low Power Audio Subsystem (LPASS)
+
+Required properties:
+
+ - compatible		: "samsung,exynos5433-lpass"
+ - reg			: should contain the LPASS top SFR region location
+			  and size
+ - samsung,pmu-syscon	: the phandle to the Power Management Unit node
+ - #address-cells	: should be 1
+ - #size-cells		: should be 1
+ - ranges		: must be present
+
+Each IP block of the Low Power Audio Subsystem should be specified as
+an optional sub-node. For "samsung,exynos5433-lpass" compatible this includes:
+UART, SLIMBUS, PCM, I2S, DMAC, Timers 0...4, VIC, WDT 0...1 devices.
+
+Bindings of the sub-nodes are described in:
+  ../serial/samsung_uart.txt
+  ../sound/samsung-i2s.txt
+  ../dma/arm-pl330.txt
+
+
+Example:
+
+audio-subsystem {
+	compatible = "samsung,exynos5433-lpass";
+	reg = <0x11400000 0x100>, <0x11500000 0x08>;
+	samsung,pmu-syscon = <&pmu_system_controller>;
+	#address-cells = <1>;
+	#size-cells = <1>;
+	ranges;
+
+	adma: adma@11420000 {
+		compatible = "arm,pl330", "arm,primecell";
+		reg = <0x11420000 0x1000>;
+		interrupts = <0 73 0>;
+		clocks = <&cmu_aud CLK_ACLK_DMAC>;
+		clock-names = "apb_pclk";
+		#dma-cells = <1>;
+		#dma-channels = <8>;
+		#dma-requests = <32>;
+	};
+
+	i2s0: i2s0@11440000 {
+		compatible = "samsung,exynos7-i2s";
+		reg = <0x11440000 0x100>;
+		dmas = <&adma 0 &adma 2>;
+		dma-names = "tx", "rx";
+		interrupts = <0 70 0>;
+		clocks = <&cmu_aud CLK_PCLK_AUD_I2S>,
+			 <&cmu_aud CLK_SCLK_AUD_I2S>,
+			 <&cmu_aud CLK_SCLK_I2S_BCLK>;
+		clock-names = "iis", "i2s_opclk0", "i2s_opclk1";
+		pinctrl-names = "default";
+		pinctrl-0 = <&i2s0_bus>;
+		status = "disabled";
+	};
+
+	serial_3: serial@11460000 {
+		compatible = "samsung,exynos5433-uart";
+		reg = <0x11460000 0x100>;
+		interrupts = <0 67 0>;
+		clocks = <&cmu_aud CLK_PCLK_AUD_UART>,
+			 <&cmu_aud CLK_SCLK_AUD_UART>;
+		clock-names = "uart", "clk_uart_baud0";
+		pinctrl-names = "default";
+		pinctrl-0 = <&uart_aud_bus>;
+		status = "disabled";
+	};
+ };
diff --git a/Documentation/devicetree/bindings/mfd/twl6040.txt b/Documentation/devicetree/bindings/mfd/twl6040.txt
index e6afdfa3543d..9a98ee7c323d 100644
--- a/Documentation/devicetree/bindings/mfd/twl6040.txt
+++ b/Documentation/devicetree/bindings/mfd/twl6040.txt
@@ -12,6 +12,7 @@ Required properties:
 - interrupt-parent: The parent interrupt controller
 - gpio-controller:
 - #gpio-cells = <1>: twl6040 provides GPO lines.
+- #clock-cells = <0>; twl6040 is a provider of pdmclk which is used by McPDM
 - twl6040,audpwron-gpio: Power on GPIO line for the twl6040
 
 - vio-supply: Regulator for the twl6040 VIO supply