dt-bindings: pinctrl: spacemit: convert drive strength to schema format

In order to better extend the pinctrl support for future new SoC, convert
drive strength setting from free form text to more standard schema format.

Signed-off-by: Yixun Lan <dlan@gentoo.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>

diff --git a/Documentation/devicetree/bindings/pinctrl/spacemit,k1-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/spacemit,k1-pinctrl.yaml
index d80e88aa07b45f4a3d90e8217caf93d32655927d..609d7db97822d48eb8aa40f789a1c91d468de484 100644 (file)
--- a/Documentation/devicetree/bindings/pinctrl/spacemit,k1-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/spacemit,k1-pinctrl.yaml
@@ -72,10 +72,14 @@ patternProperties:
             enum: [ 0, 1 ]
 
           drive-strength:
-            description: |
-              typical current when output high level.
-              1.8V output: 11, 21, 32, 42 (mA)
-              3.3V output: 7, 10, 13, 16, 19, 23, 26, 29 (mA)
+            description:
+              typical current (in mA) when the output at high level.
+            oneOf:
+              - enum: [ 11, 21, 32, 42 ]
+                description: For K1 SoC, 1.8V voltage output
+
+              - enum: [ 7, 10, 13, 16, 19, 23, 26, 29 ]
+                description: For K1 SoC, 3.3V voltage output
 
           input-schmitt:
             description: |