Merge tag 'devicetree-for-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux

Pull Devicetree updates from Rob Herring:

 - Remove an obsolete hack for PPC32 longtrail systems

 - Make of_io_request_and_map() "name" arg optional

 - Add vendor prefixes for bitmain, Asus, and Y Soft

 - Remove 'interrupt-parent' from bindings as it is implicit

 - New properties for wm8994 audio codec

 - Add 'clocks' property support to SRAM binding

 - Add binding for ASPEED coprocessor interrupt controller

 - Various binding spelling and link fixes

* tag 'devicetree-for-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux:
  Documentation: remove dynamic-resolution-notes reference to non-existent file
  dt-bindings: Add Y Soft Corporation vendor prefix
  of/fdt: Remove PPC32 longtrail hack in memory scan
  dt-bindings: remove 'interrupt-parent' from bindings
  pinctrl: tegra: fix spelling in devicetree binding document
  usb: dwc3: rockchip: Fix PHY documentation links.
  dt-bindings: sound: wm8994: document wlf,csnaddr-pd property
  dt-bindings: sound: wm8994: document wlf,spkmode-pu property
  dt-bindings: sram: Add 'clocks' as an optional property
  dt-bindings: Add vendor prefix for AsusTek Computer Inc.
  dt-bindings: misc: ASPEED coprocessor interrupt controller
  dt-bindings: gpio: pca953x: Document interrupts, update example
  drivers/of: Make of_io_request_and_map() "name" argument optional
  dt-bindings: Add bitmain vendor prefix
  Documentation: devicetree: tilcdc: fix spelling mistake "suppors" -> "supports"

32 files changed, 0 insertions, 47 deletions

diff --git a/Documentation/devicetree/bindings/input/cypress,cyapa.txt b/Documentation/devicetree/bindings/input/cypress,cyapa.txt
index 8d91ba9ff2fd..d3db65916a36 100644
--- a/Documentation/devicetree/bindings/input/cypress,cyapa.txt
+++ b/Documentation/devicetree/bindings/input/cypress,cyapa.txt
@@ -3,8 +3,6 @@ Cypress I2C Touchpad
 Required properties:
 - compatible: must be "cypress,cyapa".
 - reg: I2C address of the chip.
-- interrupt-parent: a phandle for the interrupt controller (see interrupt
-	binding[0]).
 - interrupts: interrupt to which the chip is connected (see interrupt
 	binding[0]).
 
diff --git a/Documentation/devicetree/bindings/input/cypress,tm2-touchkey.txt b/Documentation/devicetree/bindings/input/cypress,tm2-touchkey.txt
index 635f62c756ee..0c252d9306da 100644
--- a/Documentation/devicetree/bindings/input/cypress,tm2-touchkey.txt
+++ b/Documentation/devicetree/bindings/input/cypress,tm2-touchkey.txt
@@ -3,8 +3,6 @@ Samsung tm2-touchkey
 Required properties:
 - compatible: must be "cypress,tm2-touchkey"
 - reg: I2C address of the chip.
-- interrupt-parent: a phandle for the interrupt controller (see interrupt
-	binding[0]).
 - interrupts: interrupt to which the chip is connected (see interrupt
 	binding[0]).
 - vcc-supply : internal regulator output. 1.8V
diff --git a/Documentation/devicetree/bindings/input/e3x0-button.txt b/Documentation/devicetree/bindings/input/e3x0-button.txt
index 751665e8e47a..907b195f2eaa 100644
--- a/Documentation/devicetree/bindings/input/e3x0-button.txt
+++ b/Documentation/devicetree/bindings/input/e3x0-button.txt
@@ -7,8 +7,6 @@ This module provides a simple power button event via two interrupts.
 Required properties:
 - compatible: should be one of the following
   - "ettus,e3x0-button": For devices such as the NI Ettus Research USRP E3x0
-- interrupt-parent:
-  - a phandle to the interrupt controller that it is attached to.
 - interrupts: should be one of the following
   - <0 30 1>, <0 31 1>: For devices such as the NI Ettus Research USRP E3x0
 - interrupt-names: should be one of the following
diff --git a/Documentation/devicetree/bindings/input/elan_i2c.txt b/Documentation/devicetree/bindings/input/elan_i2c.txt
index d80a83583238..797607460735 100644
--- a/Documentation/devicetree/bindings/input/elan_i2c.txt
+++ b/Documentation/devicetree/bindings/input/elan_i2c.txt
@@ -3,8 +3,6 @@ Elantech I2C Touchpad
 Required properties:
 - compatible: must be "elan,ekth3000".
 - reg: I2C address of the chip.
-- interrupt-parent: a phandle for the interrupt controller (see interrupt
-  binding[0]).
 - interrupts: interrupt to which the chip is connected (see interrupt
   binding[0]).
 
diff --git a/Documentation/devicetree/bindings/input/elants_i2c.txt b/Documentation/devicetree/bindings/input/elants_i2c.txt
index 8a71038f3489..5edac8be0802 100644
--- a/Documentation/devicetree/bindings/input/elants_i2c.txt
+++ b/Documentation/devicetree/bindings/input/elants_i2c.txt
@@ -3,8 +3,6 @@ Elantech I2C Touchscreen
 Required properties:
 - compatible: must be "elan,ekth3500".
 - reg: I2C address of the chip.
-- interrupt-parent: a phandle for the interrupt controller (see interrupt
-  binding[0]).
 - interrupts: interrupt to which the chip is connected (see interrupt
   binding[0]).
 
diff --git a/Documentation/devicetree/bindings/input/hid-over-i2c.txt b/Documentation/devicetree/bindings/input/hid-over-i2c.txt
index 4d3da9d91de4..f1cb9f8d7692 100644
--- a/Documentation/devicetree/bindings/input/hid-over-i2c.txt
+++ b/Documentation/devicetree/bindings/input/hid-over-i2c.txt
@@ -14,7 +14,6 @@ Required properties:
 - compatible: must be "hid-over-i2c"
 - reg: i2c slave address
 - hid-descr-addr: HID descriptor address
-- interrupt-parent: the phandle for the interrupt controller
 - interrupts: interrupt line
 
 Additional optional properties:
diff --git a/Documentation/devicetree/bindings/input/raydium_i2c_ts.txt b/Documentation/devicetree/bindings/input/raydium_i2c_ts.txt
index 5b6232db7c61..99a4f2ab5557 100644
--- a/Documentation/devicetree/bindings/input/raydium_i2c_ts.txt
+++ b/Documentation/devicetree/bindings/input/raydium_i2c_ts.txt
@@ -3,7 +3,6 @@ Raydium I2C touchscreen
 Required properties:
 - compatible: must be "raydium,rm32380"
 - reg: The I2C address of the device
-- interrupt-parent: the phandle for the interrupt controller
 - interrupts: interrupt to which the chip is connected
     See ../interrupt-controller/interrupts.txt
 Optional properties:
diff --git a/Documentation/devicetree/bindings/input/rmi4/rmi_i2c.txt b/Documentation/devicetree/bindings/input/rmi4/rmi_i2c.txt
index ec908b91fd90..dcb012f5b3ee 100644
--- a/Documentation/devicetree/bindings/input/rmi4/rmi_i2c.txt
+++ b/Documentation/devicetree/bindings/input/rmi4/rmi_i2c.txt
@@ -16,7 +16,6 @@ Required Properties:
 
 Optional Properties:
 - interrupts: interrupt which the rmi device is connected to.
-- interrupt-parent: The interrupt controller.
 See Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
 
 - syna,reset-delay-ms: The number of milliseconds to wait after resetting the
diff --git a/Documentation/devicetree/bindings/input/rmi4/rmi_spi.txt b/Documentation/devicetree/bindings/input/rmi4/rmi_spi.txt
index a4ca7828f21d..632f473db65b 100644
--- a/Documentation/devicetree/bindings/input/rmi4/rmi_spi.txt
+++ b/Documentation/devicetree/bindings/input/rmi4/rmi_spi.txt
@@ -16,7 +16,6 @@ Required Properties:
 
 Optional Properties:
 - interrupts: interrupt which the rmi device is connected to.
-- interrupt-parent: The interrupt controller.
 See Documentation/devicetree/bindings/interrupt-controller/interrupts.txt
 
 - spi-rx-delay-us: microsecond delay after a read transfer.
diff --git a/Documentation/devicetree/bindings/input/ti,palmas-pwrbutton.txt b/Documentation/devicetree/bindings/input/ti,palmas-pwrbutton.txt
index a3dde8c30e67..c829e18e1a05 100644
--- a/Documentation/devicetree/bindings/input/ti,palmas-pwrbutton.txt
+++ b/Documentation/devicetree/bindings/input/ti,palmas-pwrbutton.txt
@@ -9,7 +9,6 @@ This module provides a simple power button event via an Interrupt.
 Required properties:
 - compatible: should be one of the following
    - "ti,palmas-pwrbutton": For Palmas compatible power on button
-- interrupt-parent: Parent interrupt device, must be handle of palmas node.
 - interrupts: Interrupt number of power button submodule on device.
 
 Optional Properties:
diff --git a/Documentation/devicetree/bindings/input/touchscreen/ad7879.txt b/Documentation/devicetree/bindings/input/touchscreen/ad7879.txt
index 3c8614c451f2..cdd743a1f2d5 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/ad7879.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/ad7879.txt
@@ -5,7 +5,6 @@ Required properties:
 				  for I2C slave, use "adi,ad7879-1"
 - reg				: SPI chipselect/I2C slave address
 				  See spi-bus.txt for more SPI slave properties
-- interrupt-parent		: the phandle for the interrupt controller
 - interrupts			: touch controller interrupt
 - touchscreen-max-pressure	: maximum reported pressure
 - adi,resistance-plate-x	: total resistance of X-plate (for pressure
diff --git a/Documentation/devicetree/bindings/input/touchscreen/ads7846.txt b/Documentation/devicetree/bindings/input/touchscreen/ads7846.txt
index 9fc47b006fd1..04413da51391 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/ads7846.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/ads7846.txt
@@ -18,7 +18,6 @@ Additional required properties:
 					"ti,ads7846"
 					"ti,ads7873"
 
-	interrupt-parent
 	interrupts		An interrupt node describing the IRQ line the chip's
 				!PENIRQ pin is connected to.
 	vcc-supply		A regulator node for the supply voltage.
diff --git a/Documentation/devicetree/bindings/input/touchscreen/ar1021.txt b/Documentation/devicetree/bindings/input/touchscreen/ar1021.txt
index e459e8546f34..82019bd6094e 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/ar1021.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/ar1021.txt
@@ -3,7 +3,6 @@
 Required properties:
 - compatible		: "microchip,ar1021-i2c"
 - reg			: I2C slave address
-- interrupt-parent	: the phandle for the interrupt controller
 - interrupts		: touch controller interrupt
 
 Example:
diff --git a/Documentation/devicetree/bindings/input/touchscreen/chipone_icn8318.txt b/Documentation/devicetree/bindings/input/touchscreen/chipone_icn8318.txt
index d11f8d615b5d..38b0603f65f3 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/chipone_icn8318.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/chipone_icn8318.txt
@@ -3,8 +3,6 @@
 Required properties:
  - compatible		  : "chipone,icn8318"
  - reg			  : I2C slave address of the chip (0x40)
- - interrupt-parent	  : a phandle pointing to the interrupt controller
-			    serving the interrupt for this chip
  - interrupts		  : interrupt specification for the icn8318 interrupt
  - wake-gpios		  : GPIO specification for the WAKE input
  - touchscreen-size-x	  : horizontal resolution of touchscreen (in pixels)
diff --git a/Documentation/devicetree/bindings/input/touchscreen/colibri-vf50-ts.txt b/Documentation/devicetree/bindings/input/touchscreen/colibri-vf50-ts.txt
index df531b5b6a0d..2e1490a8fe74 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/colibri-vf50-ts.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/colibri-vf50-ts.txt
@@ -7,7 +7,6 @@ Required Properties:
 - xm-gpios: FET gate driver for input of X-
 - yp-gpios: FET gate driver for input of Y+
 - ym-gpios: FET gate driver for input of Y-
-- interrupt-parent: phandle for the interrupt controller
 - interrupts: pen irq interrupt for touch detection
 - pinctrl-names: "idle", "default", "gpios"
 - pinctrl-0: pinctrl node for pen/touch detection state pinmux
diff --git a/Documentation/devicetree/bindings/input/touchscreen/cyttsp.txt b/Documentation/devicetree/bindings/input/touchscreen/cyttsp.txt
index b75d4cfd2c36..6ee274aa8b03 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/cyttsp.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/cyttsp.txt
@@ -4,8 +4,6 @@ Required properties:
  - compatible		: must be "cypress,cyttsp-i2c" or "cypress,cyttsp-spi"
  - reg			: Device I2C address or SPI chip select number
  - spi-max-frequency	: Maximum SPI clocking speed of the device (for cyttsp-spi)
- - interrupt-parent	: the phandle for the gpio controller
-			  (see interrupt binding[0]).
  - interrupts		: (gpio) interrupt to which the chip is connected
 			  (see interrupt binding[0]).
  - bootloader-key	: the 8-byte bootloader key that is required to switch
diff --git a/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt b/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt
index 025cf8c9324a..da2dc5d6c98b 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/edt-ft5x06.txt
@@ -22,8 +22,6 @@ Required properties:
            or:  "focaltech,ft6236"
 
  - reg:         I2C slave address of the chip (0x38)
- - interrupt-parent: a phandle pointing to the interrupt controller
-                     serving the interrupt for this chip
  - interrupts:       interrupt specification for the touchdetect
                      interrupt
 
diff --git a/Documentation/devicetree/bindings/input/touchscreen/egalax-ts.txt b/Documentation/devicetree/bindings/input/touchscreen/egalax-ts.txt
index 298e3442f143..92fb2620f5e2 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/egalax-ts.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/egalax-ts.txt
@@ -3,7 +3,6 @@
 Required properties:
 - compatible: must be "eeti,egalax_ts"
 - reg: i2c slave address
-- interrupt-parent: the phandle for the interrupt controller
 - interrupts: touch controller interrupt
 - wakeup-gpios: the gpio pin to be used for waking up the controller
   and also used as irq pin
diff --git a/Documentation/devicetree/bindings/input/touchscreen/ektf2127.txt b/Documentation/devicetree/bindings/input/touchscreen/ektf2127.txt
index 5a19f4c3e9d7..94c4fc644940 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/ektf2127.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/ektf2127.txt
@@ -3,8 +3,6 @@
 Required properties:
  - compatible		  : "elan,ektf2127"
  - reg			  : I2C slave address of the chip (0x40)
- - interrupt-parent	  : a phandle pointing to the interrupt controller
-			    serving the interrupt for this chip
  - interrupts		  : interrupt specification for the ektf2127 interrupt
  - power-gpios		  : GPIO specification for the pin connected to the
 			    ektf2127's wake input. This needs to be driven high
diff --git a/Documentation/devicetree/bindings/input/touchscreen/exc3000.txt b/Documentation/devicetree/bindings/input/touchscreen/exc3000.txt
index 1dcff4a43eaa..68291b94fec2 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/exc3000.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/exc3000.txt
@@ -3,7 +3,6 @@
 Required properties:
 - compatible: must be "eeti,exc3000"
 - reg: i2c slave address
-- interrupt-parent: the phandle for the interrupt controller
 - interrupts: touch controller interrupt
 - touchscreen-size-x: See touchscreen.txt
 - touchscreen-size-y: See touchscreen.txt
diff --git a/Documentation/devicetree/bindings/input/touchscreen/fsl-mx25-tcq.txt b/Documentation/devicetree/bindings/input/touchscreen/fsl-mx25-tcq.txt
index abfcab3edc66..99d6f9d25335 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/fsl-mx25-tcq.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/fsl-mx25-tcq.txt
@@ -8,7 +8,6 @@ Required properties:
  - reg: Memory range of the device.
  - interrupts: Should be the interrupt number associated with this module within
    the tscadc unit (<0>).
- - interrupt-parent: Should be a phandle to the tscadc unit.
  - fsl,wires: Should be '<4>' or '<5>'
 
 Optional properties:
diff --git a/Documentation/devicetree/bindings/input/touchscreen/goodix.txt b/Documentation/devicetree/bindings/input/touchscreen/goodix.txt
index 0c369d8ebcab..f7e95c52f3c7 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/goodix.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/goodix.txt
@@ -11,7 +11,6 @@ Required properties:
 				 or "goodix,gt928"
 				 or "goodix,gt967"
  - reg			: I2C address of the chip. Should be 0x5d or 0x14
- - interrupt-parent	: Interrupt controller to which the chip is connected
  - interrupts		: Interrupt to which the chip is connected
 
 Optional properties:
diff --git a/Documentation/devicetree/bindings/input/touchscreen/hideep.txt b/Documentation/devicetree/bindings/input/touchscreen/hideep.txt
index 1063c30d53f7..a47c36190b01 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/hideep.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/hideep.txt
@@ -3,7 +3,6 @@
 Required properties:
 - compatible		: must be "hideep,hideep-ts"
 - reg			: I2C slave address, (e.g. 0x6C).
-- interrupt-parent : Interrupt controller to which the chip is connected.
 - interrupts : Interrupt to which the chip is connected.
 
 Optional properties:
diff --git a/Documentation/devicetree/bindings/input/touchscreen/max11801-ts.txt b/Documentation/devicetree/bindings/input/touchscreen/max11801-ts.txt
index 40ac0fe94df6..05e982c3454e 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/max11801-ts.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/max11801-ts.txt
@@ -3,7 +3,6 @@
 Required properties:
 - compatible: must be "maxim,max11801"
 - reg: i2c slave address
-- interrupt-parent: the phandle for the interrupt controller
 - interrupts: touch controller interrupt
 
 Example:
diff --git a/Documentation/devicetree/bindings/input/touchscreen/melfas_mip4.txt b/Documentation/devicetree/bindings/input/touchscreen/melfas_mip4.txt
index 7b8944c2cb31..b2ab5498e519 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/melfas_mip4.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/melfas_mip4.txt
@@ -3,7 +3,6 @@
 Required properties:
 - compatible: must be "melfas,mip4_ts"
 - reg: I2C slave address of the chip (0x48 or 0x34)
-- interrupt-parent: interrupt controller to which the chip is connected
 - interrupts: interrupt to which the chip is connected
 
 Optional properties:
diff --git a/Documentation/devicetree/bindings/input/touchscreen/samsung,s6sy761.txt b/Documentation/devicetree/bindings/input/touchscreen/samsung,s6sy761.txt
index d9b7c2ff611e..6805d10d226d 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/samsung,s6sy761.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/samsung,s6sy761.txt
@@ -3,8 +3,6 @@
 Required properties:
 - compatible		: must be "samsung,s6sy761"
 - reg			: I2C slave address, (e.g. 0x48)
-- interrupt-parent	: the phandle to the interrupt controller which provides
-			  the interrupt
 - interrupts		: interrupt specification
 - avdd-supply		: analogic power supply
 - vdd-supply		: power supply
diff --git a/Documentation/devicetree/bindings/input/touchscreen/silead_gsl1680.txt b/Documentation/devicetree/bindings/input/touchscreen/silead_gsl1680.txt
index 84752de12412..d67e558e5ab5 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/silead_gsl1680.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/silead_gsl1680.txt
@@ -8,8 +8,6 @@ Required properties:
 			    "silead,gsl3675"
 			    "silead,gsl3692"
 - reg			  : I2C slave address of the chip (0x40)
-- interrupt-parent	  : a phandle pointing to the interrupt controller
-			    serving the interrupt for this chip
 - interrupts		  : interrupt specification for the gsl1680 interrupt
 - power-gpios		  : Specification for the pin connected to the gsl1680's
 			    shutdown input. This needs to be driven high to take the
diff --git a/Documentation/devicetree/bindings/input/touchscreen/sis_i2c.txt b/Documentation/devicetree/bindings/input/touchscreen/sis_i2c.txt
index d87ad14f1efe..8f5322e01024 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/sis_i2c.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/sis_i2c.txt
@@ -3,8 +3,6 @@
 Required properties:
 - compatible: must be "sis,9200-ts"
 - reg: i2c slave address
-- interrupt-parent: the phandle for the interrupt controller
-  (see interrupt binding [0])
 - interrupts: touch controller interrupt (see interrupt
   binding [0])
 
diff --git a/Documentation/devicetree/bindings/input/touchscreen/st,stmfts.txt b/Documentation/devicetree/bindings/input/touchscreen/st,stmfts.txt
index 9683595cd0f5..0a5d0cb4a280 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/st,stmfts.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/st,stmfts.txt
@@ -10,8 +10,6 @@ coordinates.
 Required properties:
 - compatible		: must be "st,stmfts"
 - reg			: I2C slave address, (e.g. 0x49)
-- interrupt-parent	: the phandle to the interrupt controller which provides
-			  the interrupt
 - interrupts		: interrupt specification
 - avdd-supply		: analogic power supply
 - vdd-supply		: power supply
diff --git a/Documentation/devicetree/bindings/input/touchscreen/sx8654.txt b/Documentation/devicetree/bindings/input/touchscreen/sx8654.txt
index 5aaa6b3aa90c..4886c4aa2906 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/sx8654.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/sx8654.txt
@@ -3,7 +3,6 @@
 Required properties:
 - compatible: must be "semtech,sx8654"
 - reg: i2c slave address
-- interrupt-parent: the phandle for the interrupt controller
 - interrupts: touch controller interrupt
 
 Example:
diff --git a/Documentation/devicetree/bindings/input/touchscreen/tsc2007.txt b/Documentation/devicetree/bindings/input/touchscreen/tsc2007.txt
index ec365e172236..ed00f61b8c08 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/tsc2007.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/tsc2007.txt
@@ -9,8 +9,6 @@ Optional properties:
 - gpios: the interrupt gpio the chip is connected to (trough the penirq pin).
   The penirq pin goes to low when the panel is touched.
   (see GPIO binding[1] for more details).
-- interrupt-parent: the phandle for the gpio controller
-  (see interrupt binding[0]).
 - interrupts: (gpio) interrupt to which the chip is connected
   (see interrupt binding[0]).
 - ti,max-rt: maximum pressure.
diff --git a/Documentation/devicetree/bindings/input/touchscreen/zet6223.txt b/Documentation/devicetree/bindings/input/touchscreen/zet6223.txt
index fe6a1feef703..27d55a506f18 100644
--- a/Documentation/devicetree/bindings/input/touchscreen/zet6223.txt
+++ b/Documentation/devicetree/bindings/input/touchscreen/zet6223.txt
@@ -3,8 +3,6 @@ Zeitec ZET6223 I2C touchscreen controller
 Required properties:
 - compatible		  : "zeitec,zet6223"
 - reg			  : I2C slave address of the chip (0x76)
-- interrupt-parent	  : a phandle pointing to the interrupt controller
-			    serving the interrupt for this chip
 - interrupts		  : interrupt specification for the zet6223 interrupt
 
 Optional properties: