mfd: google,cros-ec: add missing properties

Add missing properties that are currently used in the examples of
subnode bindings and in many DTs.

Also updates the example in sound/google,cros-ec-codec.yaml to comply
with the google,cros-ec binding.
Reviewed-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Ricardo Cañuelo <ricardo.canuelo@collabora.com>
Link: https://lore.kernel.org/r/20201021114308.25485-4-ricardo.canuelo@collabora.com
[robh: Add missing '#address-cells' and '#size-cells']
Signed-off-by: Rob Herring <robh@kernel.org>

Documentation/devicetree/bindings/mfd/google,cros-ec.yaml

@@ -59,6 +59,14 @@ properties:
       whether this nvram is present or not.
     type: boolean
 
+  mtk,rpmsg-name:
+    description:
+      Must be defined if the cros-ec is a rpmsg device for a Mediatek
+      ARM Cortex M4 Co-processor. Contains the name pf the rpmsg
+      device. Used to match the subnode to the rpmsg device announced by
+      the SCP.
+    $ref: "/schemas/types.yaml#/definitions/string"
+
   spi-max-frequency:
     description: Maximum SPI frequency of the device in Hz.
 
@@ -71,14 +79,54 @@ properties:
   wakeup-source:
     description: Button can wake-up the system.
 
+  '#address-cells':
+    const: 1
+
+  '#size-cells':
+    const: 0
+
+  typec:
+    $ref: "/schemas/chrome/google,cros-ec-typec.yaml#"
+
+  ec-pwm:
+    $ref: "/schemas/pwm/google,cros-ec-pwm.yaml#"
+
   keyboard-controller:
     $ref: "/schemas/input/google,cros-ec-keyb.yaml#"
 
+  codecs:
+    type: object
+    additionalProperties: false
+
+    properties:
+      '#address-cells':
+        const: 2
+
+      '#size-cells':
+        const: 1
+
+    patternProperties:
+      "^ec-codec@[a-f0-9]+$":
+        type: object
+        $ref: "/schemas/sound/google,cros-ec-codec.yaml#"
+
+    required:
+      - "#address-cells"
+      - "#size-cells"
+
 patternProperties:
   "^i2c-tunnel[0-9]*$":
     type: object
     $ref: "/schemas/i2c/google,cros-ec-i2c-tunnel.yaml#"
 
+  "^regulator@[0-9]+$":
+    type: object
+    $ref: "/schemas/regulator/google,cros-ec-regulator.yaml#"
+
+  "^extcon[0-9]*$":
+    type: object
+    $ref: "/schemas/extcon/extcon-usbc-cros-ec.yaml#"
+
 required:
   - compatible
 

Documentation/devicetree/bindings/sound/google,cros-ec-codec.yaml

@@ -11,9 +11,10 @@ maintainers:
 
 description: |
   Google's ChromeOS EC codec is a digital mic codec provided by the
-  Embedded Controller (EC) and is controlled via a host-command interface.
-  An EC codec node should only be found as a sub-node of the EC node (see
-  Documentation/devicetree/bindings/mfd/google,cros-ec.yaml).
+  Embedded Controller (EC) and is controlled via a host-command
+  interface.  An EC codec node should only be found inside the "codecs"
+  subnode of a cros-ec node.
+  (see Documentation/devicetree/bindings/mfd/google,cros-ec.yaml).
 
 properties:
   compatible:
@@ -54,14 +55,19 @@ examples:
         #size-cells = <0>;
         cros-ec@0 {
             compatible = "google,cros-ec-spi";
+            reg = <0>;
+
+            codecs {
                 #address-cells = <2>;
                 #size-cells = <1>;
-            reg = <0>;
+
                 cros_ec_codec: ec-codec@10500000 {
                     compatible = "google,cros-ec-codec";
                     #sound-dai-cells = <1>;
                     reg = <0x0 0x10500000 0x80000>;
                     memory-region = <&reserved_mem>;
                 };
+
+            };
         };
     };