[PATCH 2/8] dt-bindings: Add MAX7360 subdevices

[Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>]

Add device tree bindings for Maxim Integrated MAX7360 MFD functions:
keypad, rotary, gpios and pwm.

Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
---
 .../devicetree/bindings/gpio/max7360-gpio.yaml     | 96 ++++++++++++++++++++++
 .../devicetree/bindings/input/max7360-keypad.yaml  | 67 +++++++++++++++
 .../devicetree/bindings/input/max7360-rotary.yaml  | 52 ++++++++++++
 .../devicetree/bindings/pwm/max7360-pwm.yaml       | 35 ++++++++
 4 files changed, 250 insertions(+)

diff --git a/Documentation/devicetree/bindings/gpio/max7360-gpio.yaml b/Documentation/devicetree/bindings/gpio/max7360-gpio.yaml
new file mode 100644
index 000000000000..3c006dc0380b
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/max7360-gpio.yaml
@@ -0,0 +1,96 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/gpio/max7360-gpio.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Maxim MAX7360 GPIO controller
+
+maintainers:
+  - Kamel Bouhara <kamel.bouhara@bootlin.com>
+  - Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
+
+description: |
+  Maxim MAX7360 GPIO controller, in MAX7360 MFD
+  https://www.analog.com/en/products/max7360.html
+
+properties:
+  compatible:
+    enum:
+      - maxim,max7360-gpio
+      - maxim,max7360-gpo
+
+  gpio-controller: true
+
+  "#gpio-cells":
+    const: 2
+
+  ngpios:
+    minimum: 0
+    maximum: 8
+
+  interrupt-controller: true
+
+  "#interrupt-cells":
+    const: 2
+
+  interrupts:
+    description: The interrupt line the device is connected to.
+    maxItems: 1
+
+  constant-current-disable:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: Bit field, each bit disables constant-current output of the
+                 associated GPIO.
+
+
+required:
+  - compatible
+  - gpio-controller
+  - ngpios
+
+if:
+  properties:
+    compatible:
+      contains:
+        enum:
+          - maxim,max7360-gpio
+then:
+  required:
+    - interrupt-controller
+    - interrupts
+else:
+  properties:
+    interrupt-controller: false
+    interrupts: false
+    constant-current-disable: false
+
+    ngpios:
+      maximum: 6
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    max7360_gpo: max7360_gpo {
+            compatible = "maxim,max7360-gpo";
+            gpio-controller;
+            #gpio-cells = <0x2>;
+            ngpios = <4>;
+    };
+
+    max7360_gpio: max7360_gpio {
+            compatible = "maxim,max7360-gpio";
+
+            gpio-controller;
+            #gpio-cells = <0x2>;
+            ngpios = <8>;
+            constant-current-disable = <0x06>;
+
+            interrupt-controller;
+            #interrupt-cells = <0x2>;
+            interrupt-parent = <&gpio1>;
+            interrupts = <23 IRQ_TYPE_LEVEL_LOW>;
+    };
diff --git a/Documentation/devicetree/bindings/input/max7360-keypad.yaml b/Documentation/devicetree/bindings/input/max7360-keypad.yaml
new file mode 100644
index 000000000000..8bc3c841465b
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/max7360-keypad.yaml
@@ -0,0 +1,67 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/max7360-keypad.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Maxim MAX7360 Keypad Controller
+
+maintainers:
+  - Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
+
+description: |
+  Maxim MAX7360 Keypad Controller, in MAX7360 MFD
+  https://www.analog.com/en/products/max7360.html
+
+allOf:
+  - $ref: matrix-keymap.yaml#
+  - $ref: input.yaml#
+
+properties:
+  compatible:
+    enum:
+      - maxim,max7360-keypad
+
+  interrupts:
+    description: The interrupt line the device is connected to.
+    maxItems: 1
+
+  debounce-delay-ms:
+    description: Debounce delay in ms
+    minimum: 9
+    maximum: 40
+    default: 9
+
+  linux,input-no-autorepeat:
+    description: If present, the keys will not autorepeat when pressed
+
+required:
+  - compatible
+  - interrupts
+  - linux,keymap
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/input/input.h>
+
+    max7360_keypad {
+      compatible = "maxim,max7360-keypad";
+
+      keypad,num-rows = <8>;
+      keypad,num-columns = <4>;
+
+      linux,keymap = <
+        MATRIX_KEY(0x00, 0x00, KEY_F5)
+        MATRIX_KEY(0x01, 0x00, KEY_F4)
+        MATRIX_KEY(0x02, 0x01, KEY_F6)
+        >;
+
+      interrupt-parent = <&gpio1>;
+      interrupts = <23 IRQ_TYPE_LEVEL_LOW>;
+
+      debounce-delay-ms = <10>;
+      linux,input-no-autorepeat;
+    };
diff --git a/Documentation/devicetree/bindings/input/max7360-rotary.yaml b/Documentation/devicetree/bindings/input/max7360-rotary.yaml
new file mode 100644
index 000000000000..19afa8344249
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/max7360-rotary.yaml
@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/input/max7360-rotary.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Maxim MAX7360 Rotary Encoder
+
+maintainers:
+  - Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
+
+description: |
+  Maxim MAX7360 Rotary Encoder, in MAX7360 MFD
+  https://www.analog.com/en/products/max7360.html
+
+properties:
+  compatible:
+    enum:
+      - maxim,max7360-rotary
+
+  interrupts:
+    description: The interrupt line the device is connected to.
+    maxItems: 1
+
+  debounce-delay-ms:
+    description: Debounce delay in ms
+    minimum: 0
+    maximum: 15
+    default: 0
+
+  linux,axis:
+    description: The input subsystem axis to map to this rotary encoder.
+
+required:
+  - compatible
+  - interrupts
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    max7360_rotary: max7360_rotary {
+      compatible = "maxim,max7360-rotary";
+
+      debounce-delay-ms = <2>;
+      linux,axis = <0>; /* REL_X */
+
+      interrupt-parent = <&gpio1>;
+      interrupts = <23 IRQ_TYPE_LEVEL_LOW>;
+    };
diff --git a/Documentation/devicetree/bindings/pwm/max7360-pwm.yaml b/Documentation/devicetree/bindings/pwm/max7360-pwm.yaml
new file mode 100644
index 000000000000..68d48969e542
--- /dev/null
+++ b/Documentation/devicetree/bindings/pwm/max7360-pwm.yaml
@@ -0,0 +1,35 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pwm/max7360-pwm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Maxim MAX7360 PWM controller
+
+maintainers:
+  - Kamel Bouhara <kamel.bouhara@bootlin.com>
+
+description: |
+  Maxim MAX7360 PWM controller, in MAX7360 MFD
+  https://www.analog.com/en/products/max7360.html
+
+properties:
+  compatible:
+    enum:
+      - maxim,max7360-pwm
+
+  "#pwm-cells":
+    const: 2
+
+
+required:
+  - compatible
+
+additionalProperties: false
+
+examples:
+  - |
+    max7360_pwm: max7360_pwm {
+      compatible = "maxim,max7360-pwm";
+      #pwm-cells = <2>;
+    };

-- 
2.39.5