[PATCH 2/2] dt-bindings: pinctrl: toshiba,visconti: Drop redundant functions type

[Krzysztof Kozlowski]

Referenced pinmux-node.yaml schema already defines type for "functions"
so $ref is redundant.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>
---
 .../devicetree/bindings/pinctrl/toshiba,visconti-pinctrl.yaml    | 1 -
 1 file changed, 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/pinctrl/toshiba,visconti-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/toshiba,visconti-pinctrl.yaml
index ce04d2eadec9..0eff0a0ee9e9 100644
--- a/Documentation/devicetree/bindings/pinctrl/toshiba,visconti-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/toshiba,visconti-pinctrl.yaml
@@ -42,7 +42,6 @@ patternProperties:
       function:
         description:
           Function to mux.
-        $ref: /schemas/types.yaml#/definitions/string
         enum: [i2c0, i2c1, i2c2, i2c3, i2c4, i2c5, i2c6, i2c7, i2c8,
                spi0, spi1, spi2, spi3, spi4, spi5, spi6,
                uart0, uart1, uart2, uart3, pwm, pcmif_out, pcmif_in]
-- 
2.48.1