Oh, this one is still in grate tree (extra besides extra Tegra 
patches). Please ignore, mcs will be send already converted to yaml.
Best regards
David Heidelberg

On Tue, Oct 19 2021 at 16:48:05 -0500, Rob Herring [off-list ref] 
wrote:

On Sat, Oct 09, 2021 at 12:48:37PM +0200, David Heidelberg wrote:

quoted

 Convert MELFAS MCS-5000 touchscreen controller chip documentation 
to the YAML format.

 Signed-off-by: David Heidelberg [off-list ref]
 ---
  .../bindings/input/mcs-touchkey.txt           | 26 ---------
  .../bindings/input/mcs-touchkey.yaml          | 53 
+++++++++++++++++++
  2 files changed, 53 insertions(+), 26 deletions(-)
  delete mode 100644 
Documentation/devicetree/bindings/input/mcs-touchkey.txt

I don't have this file in my tree.

quoted

  create mode 100644 
Documentation/devicetree/bindings/input/mcs-touchkey.yaml

 diff --git 
a/Documentation/devicetree/bindings/input/mcs-touchkey.txt 
b/Documentation/devicetree/bindings/input/mcs-touchkey.txt
 deleted file mode 100644
 index 545454112a43..000000000000
 --- a/Documentation/devicetree/bindings/input/mcs-touchkey.txt
 +++ /dev/null
 @@ -1,26 +0,0 @@
 -* mcs_touchkey MELFAS MCS5000/5080 controller
 -
 -Required properties:
 -- compatible: must be "mcs5000_touchkey" or "mcs5080_touchkey"
 -- reg : I2C address of the chip
 -- interrupts: interrupt to which the chop is connected
 -- key_maxval: size of keycode table
 -- interrupts: interrupt to which the chip is connected
 -- code: key code for this device
 -
 -Example:
 -
 -	i2c_touch_key: i2c-gpio-0 {
 -	       /* ... */
 -
 -	       touch_key@20 {
 -		       compatible = "mcs5080_touchkey";
 -		       reg = <0x20>;
 -		       interrupt-patrent = <gpj0>;
 -		       key_maxval = <2>;
 -		       linux, code = <0x0000009e
 -			              0x000000a9>;
 -	       };
 -
 -	       /* ... */
 -	};
 diff --git 
a/Documentation/devicetree/bindings/input/mcs-touchkey.yaml 
b/Documentation/devicetree/bindings/input/mcs-touchkey.yaml
 new file mode 100644
 index 000000000000..b56de0361ff8
 --- /dev/null
 +++ b/Documentation/devicetree/bindings/input/mcs-touchkey.yaml
 @@ -0,0 +1,53 @@
 +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
 +%YAML 1.2
 +---
 +$id: http://devicetree.org/schemas/input/mcs-touchkey.yaml#
 +$schema: http://devicetree.org/meta-schemas/core.yaml#
 +
 +title: MELFAS MCS5000/5080 controller
 +
 +maintainers:
 +  - Rob Herring [off-list ref]
 +
 +properties:
 +  compatible:
 +    enum:
 +      - mcs5000_touchkey
 +      - mcs5080_touchkey
 +
 +  reg: true
 +  interrupts: true
 +  key_maxval:
 +    $ref: /schemas/types.yaml#/definitions/uint32
 +    description: size of keycode table
 +
 +  linux,code:
 +    $ref: /schemas/types.yaml#/definitions/uint32-array
 +    description: key code for this device
 +
 +required:
 +  - compatible
 +  - reg
 +  - interrupts
 +  - linux,code
 +
 +additionalProperties: false
 +
 +examples:
 +  - |
 +    #include <dt-bindings/gpio/tegra-gpio.h>
 +    #include <dt-bindings/interrupt-controller/irq.h>
 +
 +    i2c_touch_key: i2c-gpio-0 {
 +      #address-cells = <1>;
 +      #size-cells = <0>;
 +
 +      melfas-touchkey@20 {
 +        compatible = "mcs5080_touchkey";
 +        reg = <0x20>;
 +        interrupt-parent = <&gpio>;
 +        interrupts = <TEGRA_GPIO(Q, 4) IRQ_TYPE_EDGE_FALLING>;
 +        key_maxval = <4>;
 +        linux,code = <139 102 158 217>;
 +      };
 +    };
 --
 2.33.0