Per the examples in Documentation/devicetree/bindings/phy/rockchip-emmc-phy.txt, we need the grf node to be a simple-mfd in order to properly enumerate child devices like our eMMC PHY. Signed-off-by: Brian Norris <briannorris at chromium.org> --- v4: * New, split out of patch 2, per Heiko's recommendation arch/arm64/boot/dts/rockchip/rk3399.dtsi | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi index 46f325a143b0..e1c3667a9bea 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi @@ -481,8 +481,11 @@ }; grf: syscon at ff770000 { - compatible = "rockchip,rk3399-grf", "syscon"; + compatible = "rockchip,rk3399-grf", "syscon", "simple-mfd"; reg = <0x0 0xff770000 0x0 0x10000>; + + #address-cells = <1>; + #size-cells = <1>; }; watchdog at ff840000 { -- 2.8.0.rc3.226.g39d4020