[PATCH] dt-bindings: pwm: imx: document i.MX compatibles

[Krzysztof Kozlowski]

Document all ARMv5, ARMv6 and ARMv7 i.MX compatibles to fix dtbs_check
warnings like:

  arch/arm/boot/dts/imx6dl-colibri-eval-v3.dt.yaml: pwm at 2080000: compatible:0:
    'fsl,imx6q-pwm' is not one of ['fsl,imx8mm-pwm', 'fsl,imx8mn-pwm', 'fsl,imx8mp-pwm', 'fsl,imx8mq-pwm']

Signed-off-by: Krzysztof Kozlowski <krzk at kernel.org>
---
 Documentation/devicetree/bindings/pwm/imx-pwm.yaml | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Documentation/devicetree/bindings/pwm/imx-pwm.yaml b/Documentation/devicetree/bindings/pwm/imx-pwm.yaml
index 473863eb67e5..379d693889f6 100644
--- a/Documentation/devicetree/bindings/pwm/imx-pwm.yaml
+++ b/Documentation/devicetree/bindings/pwm/imx-pwm.yaml
@@ -25,6 +25,17 @@ properties:
           - fsl,imx27-pwm
       - items:
           - enum:
+              - fsl,imx25-pwm
+              - fsl,imx31-pwm
+              - fsl,imx50-pwm
+              - fsl,imx51-pwm
+              - fsl,imx53-pwm
+              - fsl,imx6q-pwm
+              - fsl,imx6sl-pwm
+              - fsl,imx6sll-pwm
+              - fsl,imx6sx-pwm
+              - fsl,imx6ul-pwm
+              - fsl,imx7d-pwm
               - fsl,imx8mm-pwm
               - fsl,imx8mn-pwm
               - fsl,imx8mp-pwm
-- 
2.17.1