dt-bindings: soc: rockchip: Add RK3528 ioc grf syscon

The GPIO is accessible via ioc grf syscon registers on RK3528.

Add compatible string for RK3528 ioc grf syscon.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20250228064024.3200000-2-jonas@kwiboo.se
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/Documentation/devicetree/bindings/soc/rockchip/grf.yaml b/Documentation/devicetree/bindings/soc/rockchip/grf.yaml
index 61f38b68a4a35abff1b093a5b96e88f9fcd7e49a..b4ed4cb555bd0790cc37d137445c1f55d20e2663 100644 (file)
--- a/Documentation/devicetree/bindings/soc/rockchip/grf.yaml
+++ b/Documentation/devicetree/bindings/soc/rockchip/grf.yaml
@@ -15,6 +15,7 @@ properties:
       - items:
           - enum:
               - rockchip,rk3288-sgrf
+              - rockchip,rk3528-ioc-grf
               - rockchip,rk3566-pipe-grf
               - rockchip,rk3568-pcie3-phy-grf
               - rockchip,rk3568-pipe-grf