Merge tag 'staging-5.3-rc1' of git://git.kernel.org/pub/scm/linux/ker…

…nel/git/gregkh/staging

Pull staging and IIO driver updates from Greg KH:
 "Here is the big Staging and IIO driver update for 5.3-rc1.

  Lots of new IIO drivers are in here, along with loads of tiny staging
  driver cleanups and fixes. Overall we almost break even with the same
  lines added as removed.

  Full details are in the shortlog, they are too large to list here.

  All of these changes have been in linux-next for a while with no
  reported issues"

* tag 'staging-5.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (608 commits)
  staging: kpc2000: simplify comparison to NULL in fileops.c
  staging: kpc2000: simplify comparison to NULL in dma.c
  staging: kpc2000: simplify comparison to NULL in kpc2000_spi.c
  staging: rtl8723bs: hal: remove redundant assignment to packetType
  staging: rtl8723bs: Change return type of hal_btcoex_IsBtDisabled()
  staging: rtl8723bs: Remove rtw_btcoex_DisplayBtCoexInfo()
  staging: rtl8723bs: Remove function rtw_btcoex_GetDBG()
  staging: rtl8723bs: Remove function rtw_btcoex_SetDBG()
  staging: rtl8723bs: Remove rtw_btcoex_IsBTCoexCtrlAMPDUSize()
  staging: rtl8723bs: Remove rtw_btcoex_BtInfoNotify()
  staging: rtl8723bs: Remove rtw_btcoex_ScanNotify()
  staging: rtl8723bs: Remove rtw_btcoex_SetSingleAntPath()
  staging: rtl8723bs: Remove rtw_btcoex_SetPGAntNum()
  staging: rtl8192e: remove redundant initialization of rtstatus
  staging: rtl8723bs: Remove rtw_btcoex_GetRaMask()
  staging: rtl8723bs: Remove rtw_btcoex_SetChipType()
  staging: rtl8723bs: Remove rtw_btcoex_ConnectNotify()
  staging: rtl8723bs: Remove rtw_btcoex_SetBTCoexist()
  staging: rtl8723bs: Remove rtw_btcoex_IsBtDisabled()
  staging: rtl8723bs: Remove rtw_btcoex_IsBtControlLps()
  ...

Documentation/ABI/testing/sysfs-bus-iio

@@ -61,8 +61,11 @@ What:		/sys/bus/iio/devices/triggerX/sampling_frequency_available
 KernelVersion:	2.6.35
 Contact:	[email protected]
 Description:
-		When the internal sampling clock can only take a small
-		discrete set of values, this file lists those available.
+		When the internal sampling clock can only take a specific set of
+		frequencies, we can specify the available values with:
+		- a small discrete set of values like "0 2 4 6 8"
+		- a range with minimum, step and maximum frequencies like
+		  "[min step max]"
 
 What:		/sys/bus/iio/devices/iio:deviceX/oversampling_ratio
 KernelVersion:	2.6.38

Documentation/ABI/testing/sysfs-bus-iio-cros-ec

@@ -18,11 +18,11 @@ Description:
 		values are 'base' and 'lid'.
 
 What:		/sys/bus/iio/devices/iio:deviceX/id
-Date:		Septembre 2017
+Date:		September 2017
 KernelVersion:	4.14
 Contact:	[email protected]
 Description:
-		This attribute is exposed by the CrOS EC legacy accelerometer
-		driver and represents the sensor ID as exposed by the EC. This
-		ID is used by the Android sensor service hardware abstraction
-		layer (sensor HAL) through the Android container on ChromeOS.
+		This attribute is exposed by the CrOS EC sensors driver and
+		represents the sensor ID as exposed by the EC. This ID is used
+		by the Android sensor service hardware abstraction layer (sensor
+		HAL) through the Android container on ChromeOS.

Documentation/ABI/testing/sysfs-bus-iio-frequency-adf4371

@@ -0,0 +1,44 @@
+What:		/sys/bus/iio/devices/iio:deviceX/out_altvoltageY_frequency
+KernelVersion:
+Contact:	[email protected]
+Description:
+		Stores the PLL frequency in Hz for channel Y.
+		Reading returns the actual frequency in Hz.
+		The ADF4371 has an integrated VCO with fundamendal output
+		frequency ranging from 4000000000 Hz 8000000000 Hz.
+
+		out_altvoltage0_frequency:
+			A divide by 1, 2, 4, 8, 16, 32 or circuit generates
+			frequencies from 62500000 Hz to 8000000000 Hz.
+		out_altvoltage1_frequency:
+			This channel duplicates the channel 0 frequency
+		out_altvoltage2_frequency:
+			A frequency doubler generates frequencies from
+			8000000000 Hz to 16000000000 Hz.
+		out_altvoltage3_frequency:
+			A frequency quadrupler generates frequencies from
+			16000000000 Hz to 32000000000 Hz.
+
+		Note: writes to one of the channels will affect the frequency of
+		all the other channels, since it involves changing the VCO
+		fundamental output frequency.
+
+What:		/sys/bus/iio/devices/iio:deviceX/out_altvoltageY_name
+KernelVersion:
+Contact:	[email protected]
+Description:
+		Reading returns the datasheet name for channel Y:
+
+		out_altvoltage0_name: RF8x
+		out_altvoltage1_name: RFAUX8x
+		out_altvoltage2_name: RF16x
+		out_altvoltage3_name: RF32x
+
+What:		/sys/bus/iio/devices/iio:deviceX/out_altvoltageY_powerdown
+KernelVersion:
+Contact:	[email protected]
+Description:
+		This attribute allows the user to power down the PLL and it's
+		RFOut buffers.
+		Writing 1 causes the specified channel to power down.
+		Clearing returns to normal operation.

Documentation/devicetree/bindings/iio/accel/adi,adxl345.yaml

@@ -0,0 +1,72 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/accelerometers/adi,adxl345.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices ADXL345/ADXL375 3-Axis Digital Accelerometers
+
+maintainers:
+  - Michael Hennerich <[email protected]>
+
+description: |
+  Analog Devices ADXL345/ADXL375 3-Axis Digital Accelerometers that supports
+  both I2C & SPI interfaces.
+    http://www.analog.com/en/products/mems/accelerometers/adxl345.html
+    http://www.analog.com/en/products/sensors-mems/accelerometers/adxl375.html
+
+properties:
+  compatible:
+    enum:
+      - adi,adxl345
+      - adi,adxl375
+
+  reg:
+    maxItems: 1
+
+  spi-cpha: true
+
+  spi-cpol: true
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+examples:
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    i2c0 {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        /* Example for a I2C device node */
+        accelerometer@2a {
+            compatible = "adi,adxl345";
+            reg = <0x53>;
+            interrupt-parent = <&gpio0>;
+            interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
+        };
+    };
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    spi0 {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        /* Example for a SPI device node */
+        accelerometer@0 {
+            compatible = "adi,adxl345";
+            reg = <0>;
+            spi-max-frequency = <5000000>;
+            spi-cpol;
+            spi-cpha;
+            interrupt-parent = <&gpio0>;
+            interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
+        };
+    };

Documentation/devicetree/bindings/iio/accel/adi,adxl372.yaml

@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/accelerometers/adi,adxl372.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analog Devices ADXL372 3-Axis, +/-(200g) Digital Accelerometer
+
+maintainers:
+  - Stefan Popa <[email protected]>
+
+description: |
+  Analog Devices ADXL372 3-Axis, +/-(200g) Digital Accelerometer that supports
+  both I2C & SPI interfaces
+    https://www.analog.com/en/products/adxl372.html
+
+properties:
+  compatible:
+    enum:
+      - adi,adxl372
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+
+examples:
+  - |
+        #include <dt-bindings/gpio/gpio.h>
+        #include <dt-bindings/interrupt-controller/irq.h>
+        i2c0 {
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                /* Example for a I2C device node */
+                accelerometer@53 {
+                        compatible = "adi,adxl372";
+                        reg = <0x53>;
+                        interrupt-parent = <&gpio>;
+                        interrupts = <25 IRQ_TYPE_EDGE_FALLING>;
+                };
+        };
+  - |
+        #include <dt-bindings/gpio/gpio.h>
+        #include <dt-bindings/interrupt-controller/irq.h>
+        spi0 {
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                accelerometer@0 {
+                        compatible = "adi,adxl372";
+                        reg = <0>;
+                        spi-max-frequency = <1000000>;
+                        interrupt-parent = <&gpio>;
+                        interrupts = <25 IRQ_TYPE_EDGE_FALLING>;
+                };
+        };