Merge tag 'staging-4.15-rc1' into v4l_for_linus

There are some conflicts between staging and media trees,
as reported by Stephen Rothwell <sfr@canb.auug.org.au>.

So, merge from staging.

* tag 'staging-4.15-rc1': (775 commits)
  staging: lustre: add SPDX identifiers to all lustre files
  staging: greybus: Remove redundant license text
  staging: greybus: add SPDX identifiers to all greybus driver files
  staging: ccree: simplify ioread/iowrite
  staging: ccree: simplify registers access
  staging: ccree: simplify error handling logic
  staging: ccree: remove dead code
  staging: ccree: handle limiting of DMA masks
  staging: ccree: copy IV to DMAable memory
  staging: fbtft: remove redundant initialization of buf
  staging: sm750fb: Fix parameter mistake in poke32
  staging: wilc1000: Fix bssid buffer offset in Txq
  staging: fbtft: fb_ssd1331: fix mirrored display
  staging: android: Fix checkpatch.pl error
  staging: greybus: loopback: convert loopback to use generic async operations
  staging: greybus: operation: add private data with get/set accessors
  staging: greybus: loopback: Fix iteration count on async path
  staging: greybus: loopback: Hold per-connection mutex across operations
  staging: greybus/loopback: use ktime_get() for time intervals
  staging: fsl-dpaa2/eth: Extra headroom in RX buffers
  ...

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

9 files changed, 84 insertions, 6 deletions

diff --git a/Documentation/devicetree/bindings/iio/adc/mcp320x.txt b/Documentation/devicetree/bindings/iio/adc/mcp320x.txt
index bcd3ac8e6e0c..7d64753df949 100644
--- a/Documentation/devicetree/bindings/iio/adc/mcp320x.txt
+++ b/Documentation/devicetree/bindings/iio/adc/mcp320x.txt
@@ -29,15 +29,29 @@ Required properties:
 				"microchip,mcp3204"
 				"microchip,mcp3208"
 				"microchip,mcp3301"
+				"microchip,mcp3550-50"
+				"microchip,mcp3550-60"
+				"microchip,mcp3551"
+				"microchip,mcp3553"
 
 			NOTE: The use of the compatibles with no vendor prefix
 			is deprecated and only listed because old DT use them.
 
+	- spi-cpha, spi-cpol (boolean):
+			Either SPI mode (0,0) or (1,1) must be used, so specify
+			none or both of spi-cpha, spi-cpol.  The MCP3550/1/3
+			is more efficient in mode (1,1) as only 3 instead of
+			4 bytes need to be read from the ADC, but not all SPI
+			masters support it.
+
+	- vref-supply:	Phandle to the external reference voltage supply.
+
 Examples:
 spi_controller {
 	mcp3x0x@0 {
 		compatible = "mcp3002";
 		reg = <0>;
 		spi-max-frequency = <1000000>;
+		vref-supply = <&vref_reg>;
 	};
 };
diff --git a/Documentation/devicetree/bindings/iio/adc/mt6577_auxadc.txt b/Documentation/devicetree/bindings/iio/adc/mt6577_auxadc.txt
index 64dc4843c180..0df9befdaecc 100644
--- a/Documentation/devicetree/bindings/iio/adc/mt6577_auxadc.txt
+++ b/Documentation/devicetree/bindings/iio/adc/mt6577_auxadc.txt
@@ -12,6 +12,7 @@ for the Thermal Controller which holds a phandle to the AUXADC.
 Required properties:
   - compatible: Should be one of:
     - "mediatek,mt2701-auxadc": For MT2701 family of SoCs
+    - "mediatek,mt2712-auxadc": For MT2712 family of SoCs
     - "mediatek,mt7622-auxadc": For MT7622 family of SoCs
     - "mediatek,mt8173-auxadc": For MT8173 family of SoCs
   - reg: Address range of the AUXADC unit.
diff --git a/Documentation/devicetree/bindings/iio/dac/ds4424.txt b/Documentation/devicetree/bindings/iio/dac/ds4424.txt
new file mode 100644
index 000000000000..eaebbf8dab40
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/dac/ds4424.txt
@@ -0,0 +1,20 @@
+Maxim Integrated DS4422/DS4424 7-bit Sink/Source Current DAC Device Driver
+
+Datasheet publicly available at:
+https://datasheets.maximintegrated.com/en/ds/DS4422-DS4424.pdf
+
+Required properties:
+	- compatible: Should be one of
+		maxim,ds4422
+		maxim,ds4424
+	- reg: Should contain the DAC I2C address
+
+Optional properties:
+	- vcc-supply: Power supply is optional. If not defined, driver will ignore it.
+
+Example:
+	ds4224@10 {
+		compatible = "maxim,ds4424";
+		reg = <0x10>; /* When A0, A1 pins are ground */
+		vcc-supply = <&vcc_3v3>;
+	};
diff --git a/Documentation/devicetree/bindings/iio/dac/ti-dac082s085.txt b/Documentation/devicetree/bindings/iio/dac/ti-dac082s085.txt
new file mode 100644
index 000000000000..9cb0e10df704
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/dac/ti-dac082s085.txt
@@ -0,0 +1,34 @@
+Texas Instruments 8/10/12-bit 2/4-channel DAC driver
+
+Required properties:
+ - compatible:		Must be one of:
+			"ti,dac082s085"
+			"ti,dac102s085"
+			"ti,dac122s085"
+			"ti,dac084s085"
+			"ti,dac104s085"
+			"ti,dac124s085"
+ - reg: 		Chip select number.
+ - spi-cpha, spi-cpol:	SPI mode (0,1) or (1,0) must be used, so specify
+			either spi-cpha or spi-cpol (but not both).
+ - vref-supply: 	Phandle to the external reference voltage supply.
+
+For other required and optional properties of SPI slave nodes please refer to
+../../spi/spi-bus.txt.
+
+Example:
+	vref_2v5_reg: regulator-vref {
+		compatible = "regulator-fixed";
+		regulator-name = "2v5";
+		regulator-min-microvolt = <2500000>;
+		regulator-max-microvolt = <2500000>;
+		regulator-always-on;
+	};
+
+	dac@0 {
+		compatible = "ti,dac082s085";
+		reg = <0>;
+		spi-max-frequency = <40000000>;
+		spi-cpol;
+		vref-supply = <&vref_2v5_reg>;
+	};
diff --git a/Documentation/devicetree/bindings/iio/health/max30100.txt b/Documentation/devicetree/bindings/iio/health/max30100.txt
index 295a9edfa4fd..8d8176459d09 100644
--- a/Documentation/devicetree/bindings/iio/health/max30100.txt
+++ b/Documentation/devicetree/bindings/iio/health/max30100.txt
@@ -20,9 +20,9 @@ Optional properties:
 
 Example:
 
-max30100@057 {
+max30100@57 {
 	compatible = "maxim,max30100";
-	reg = <57>;
+	reg = <0x57>;
 	maxim,led-current-microamp = <24000 50000>;
 	interrupt-parent = <&gpio1>;
 	interrupts = <16 2>;
diff --git a/Documentation/devicetree/bindings/iio/health/max30102.txt b/Documentation/devicetree/bindings/iio/health/max30102.txt
index c695e7cbeefb..8629c18b0e78 100644
--- a/Documentation/devicetree/bindings/iio/health/max30102.txt
+++ b/Documentation/devicetree/bindings/iio/health/max30102.txt
@@ -20,7 +20,7 @@ Optional properties:
 
 Example:
 
-max30100@57 {
+max30102@57 {
 	compatible = "maxim,max30102";
 	reg = <0x57>;
 	maxim,red-led-current-microamp = <7000>;
diff --git a/Documentation/devicetree/bindings/iio/proximity/as3935.txt b/Documentation/devicetree/bindings/iio/proximity/as3935.txt
index 38d74314b7ab..b6c1afa6f02d 100644
--- a/Documentation/devicetree/bindings/iio/proximity/as3935.txt
+++ b/Documentation/devicetree/bindings/iio/proximity/as3935.txt
@@ -16,6 +16,10 @@ Optional properties:
 	- ams,tuning-capacitor-pf: Calibration tuning capacitor stepping
 	  value 0 - 120pF. This will require using the calibration data from
 	  the manufacturer.
+	- ams,nflwdth: Set the noise and watchdog threshold register on
+	  startup. This will need to set according to the noise from the
+	  MCU board, and possibly the local environment. Refer to the
+	  datasheet for the threshold settings.
 
 Example:
 
@@ -27,4 +31,5 @@ as3935@0 {
 	interrupt-parent = <&gpio1>;
 	interrupts = <16 1>;
 	ams,tuning-capacitor-pf = <80>;
+	ams,nflwdth = <0x44>;
 };
diff --git a/Documentation/devicetree/bindings/iio/st-sensors.txt b/Documentation/devicetree/bindings/iio/st-sensors.txt
index 9ec6f5ce54fc..6f626f73417e 100644
--- a/Documentation/devicetree/bindings/iio/st-sensors.txt
+++ b/Documentation/devicetree/bindings/iio/st-sensors.txt
@@ -46,6 +46,8 @@ Accelerometers:
 - st,h3lis331dl-accel
 - st,lng2dm-accel
 - st,lis3l02dq
+- st,lis2dw12
+- st,lis3dhh
 
 Gyroscopes:
 - st,l3g4200d-gyro
@@ -71,3 +73,5 @@ Pressure sensors:
 - st,lps25h-press
 - st,lps331ap-press
 - st,lps22hb-press
+- st,lps33hw
+- st,lps35hw
diff --git a/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt b/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt
index 4c29cdab0ea5..5eb108e180fa 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt
+++ b/Documentation/devicetree/bindings/interrupt-controller/arm,gic-v3.txt
@@ -99,7 +99,7 @@ Examples:
 			compatible = "arm,gic-v3-its";
 			msi-controller;
 			#msi-cells = <1>;
-			reg = <0x0 0x2c200000 0 0x200000>;
+			reg = <0x0 0x2c200000 0 0x20000>;
 		};
 	};
 
@@ -124,14 +124,14 @@ Examples:
 			compatible = "arm,gic-v3-its";
 			msi-controller;
 			#msi-cells = <1>;
-			reg = <0x0 0x2c200000 0 0x200000>;
+			reg = <0x0 0x2c200000 0 0x20000>;
 		};
 
 		gic-its@2c400000 {
 			compatible = "arm,gic-v3-its";
 			msi-controller;
 			#msi-cells = <1>;
-			reg = <0x0 0x2c400000 0 0x200000>;
+			reg = <0x0 0x2c400000 0 0x20000>;
 		};
 
 		ppi-partitions {