Hello Helen, On 7/3/19 4:09 PM, Helen Koike wrote: > From: Jacob Chen <jacob2.chen@xxxxxxxxxxxxxx> > > Add DT bindings documentation for Rockchip MIPI D-PHY RX > > Signed-off-by: Jacob Chen <jacob2.chen@xxxxxxxxxxxxxx> > Reviewed-by: Rob Herring <robh@xxxxxxxxxx> > [update for upstream] > Signed-off-by: Helen Koike <helen.koike@xxxxxxxxxxxxx> > > --- > > Changes in v7: > - updated doc with new design and tested example > > .../bindings/media/rockchip-mipi-dphy.txt | 38 +++++++++++++++++++ > 1 file changed, 38 insertions(+) > create mode 100644 Documentation/devicetree/bindings/media/rockchip-mipi-dphy.txt > > diff --git a/Documentation/devicetree/bindings/media/rockchip-mipi-dphy.txt b/Documentation/devicetree/bindings/media/rockchip-mipi-dphy.txt > new file mode 100644 > index 000000000000..2305d44d92db > --- /dev/null > +++ b/Documentation/devicetree/bindings/media/rockchip-mipi-dphy.txt > @@ -0,0 +1,38 @@ > +Rockchip SoC MIPI RX D-PHY > +------------------------------------------------------------- Here I would also remove those extra `---`. Thanks, André > + > +Required properties: > +- compatible: value should be one of the following > + "rockchip,rk3288-mipi-dphy" > + "rockchip,rk3399-mipi-dphy" > +- clocks : list of clock specifiers, corresponding to entries in > + clock-names property; > +- clock-names: required clock name. > +- #phy-cells: Number of cells in a PHY specifier; Should be 0. > + > +MIPI RX D-PHY use registers in "general register files", it > +should be a child of the GRF. > + > +Optional properties: > +- reg: offset and length of the register set for the device. > +- rockchip,grf: MIPI TX1RX1 D-PHY not only has its own register but also > + the GRF, so it is only necessary for MIPI TX1RX1 D-PHY. > + > +Device node example > +------------------- > + > +grf: syscon@ff770000 { > + compatible = "rockchip,rk3399-grf", "syscon", "simple-mfd"; > + > +... > + > + dphy: mipi-dphy { > + compatible = "rockchip,rk3399-mipi-dphy"; > + clocks = <&cru SCLK_MIPIDPHY_REF>, > + <&cru SCLK_DPHY_RX0_CFG>, > + <&cru PCLK_VIO_GRF>; > + clock-names = "dphy-ref", "dphy-cfg", "grf"; > + power-domains = <&power RK3399_PD_VIO>; > + #phy-cells = <0>; > + }; > +};