1 files changed, 3 insertions, 2 deletions

diff --git a/Documentation/devicetree/bindings/pinctrl/rockchip,pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/rockchip,pinctrl.txt
index 388b213249fd..391ef4be8d50 100644
--- a/Documentation/devicetree/bindings/pinctrl/rockchip,pinctrl.txt
+++ b/Documentation/devicetree/bindings/pinctrl/rockchip,pinctrl.txt
@@ -21,14 +21,15 @@ 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,rk3288-pinctrl"
+                       "rockchip,rk3288-pinctrl", "rockchip,rk3368-pinctrl"
   - rockchip,grf: phandle referencing a syscon providing the
          "general register files"
 
 Optional properties for iomux controller:
   - rockchip,pmu: phandle referencing a syscon providing the pmu registers
          as some SoCs carry parts of the iomux controller registers there.
-         Required for at least rk3188 and rk3288.
+         Required for at least rk3188 and rk3288. On the rk3368 this should
+         point to the PMUGRF syscon.
 
 Deprecated properties for iomux controller:
   - reg: first element is the general register space of the iomux controller