defined as gpio sub-nodes of the pinmux controller.
Required properties for iomux controller:
- - compatible: one of "rockchip,rk2928-pinctrl", "rockchip,rk3066a-pinctrl"
- "rockchip,rk3066b-pinctrl", "rockchip,rk3188-pinctrl"
- "rockchip,rk3228-pinctrl", "rockchip,rk3288-pinctrl"
- "rockchip,rk3368-pinctrl", "rockchip,rk3399-pinctrl"
+ - compatible: one of "rockchip,rk1108-pinctrl", "rockchip,rk2928-pinctrl"
+ "rockchip,rk3066a-pinctrl", "rockchip,rk3066b-pinctrl"
+ "rockchip,rk3188-pinctrl", "rockchip,rk3228-pinctrl"
+ "rockchip,rk3288-pinctrl", "rockchip,rk3368-pinctrl"
+ "rockchip,rk3399-pinctrl"
- rockchip,grf: phandle referencing a syscon providing the
"general register files"