Add samsung,exynosautov920-pwm compatible string to binding document.

Signed-off-by: Jaewon Kim <jaewon02.kim@samsung.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
---
 Documentation/devicetree/bindings/pwm/pwm-samsung.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/pwm/pwm-samsung.yaml b/Documentation/devicetree/bindings/pwm/pwm-samsung.yaml
index 89a3875cb50a..16de6434693b 100644
--- a/Documentation/devicetree/bindings/pwm/pwm-samsung.yaml
+++ b/Documentation/devicetree/bindings/pwm/pwm-samsung.yaml
@@ -32,6 +32,7 @@ properties:
               - samsung,exynos5433-pwm
               - samsung,exynos7-pwm
               - samsung,exynosautov9-pwm
+              - samsung,exynosautov920-pwm
           - const: samsung,exynos4210-pwm
 
   reg:
-- 
2.42.0