[PATCH v2 03/11] dt-bindings: pinctrl: sun4i-a10: add Allwinner B288

[Pablo Mazzini <pmazzini@gmail.com>]

The B288 driver takes its mux values from the DT, so allwinner,pinmux
becomes an allowed property here, required for this compatible only.

Signed-off-by: Pablo Mazzini <pmazzini@gmail.com>
---
 .../pinctrl/allwinner,sun4i-a10-pinctrl.yaml  | 23 +++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/Documentation/devicetree/bindings/pinctrl/allwinner,sun4i-a10-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/allwinner,sun4i-a10-pinctrl.yaml
index 45b7a0b6c626..6fe3b6410734 100644
--- a/Documentation/devicetree/bindings/pinctrl/allwinner,sun4i-a10-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/allwinner,sun4i-a10-pinctrl.yaml
@@ -39,6 +39,7 @@ properties:
       - allwinner,sun8i-a33-pinctrl
       - allwinner,sun8i-a83t-pinctrl
       - allwinner,sun8i-a83t-r-pinctrl
+      - allwinner,sun8i-b288-pinctrl
       - allwinner,sun8i-h3-pinctrl
       - allwinner,sun8i-h3-r-pinctrl
       - allwinner,sun8i-r40-pinctrl
@@ -120,6 +121,15 @@ patternProperties:
         $ref: /schemas/types.yaml#/definitions/uint32
         enum: [10, 20, 30, 40]
 
+      allwinner,pinmux:
+        $ref: /schemas/types.yaml#/definitions/uint32-array
+        description:
+          Pinmux selector value, for each pin. Only used by SoCs whose
+          driver takes the mux values from the DT instead of an in-driver
+          table. Almost every time this value is the same for all pins, so
+          any array shorter than the number of pins will repeat the last
+          value, to allow just specifying a single cell, for all cells.
+
     required:
       - pins
       - function
@@ -144,6 +154,19 @@ allOf:
   # warnings.
 
   - $ref: pinctrl.yaml#
+
+  # The B288 driver has no in-driver pin table, so the mux values have to
+  # come from the DT.
+  - if:
+      properties:
+        compatible:
+          const: allwinner,sun8i-b288-pinctrl
+
+    then:
+      patternProperties:
+        "^([rs]-)?(([a-z0-9]{3,}|[a-oq-z0-9][a-z0-9]*?)?-)+?(p[a-ilm][0-9]*?-)??pins?$":
+          required:
+            - allwinner,pinmux
   - if:
       not:
         properties:
-- 
2.53.0