From: Rob Herring <[email protected]> Date: Tue, Jul 09, 2019 at 15:20:00
> On Tue, Jun 11, 2019 at 09:20:53PM +0200, Luis Oliveira wrote: > > Add device-tree bindings documentation for SNPS DesignWare MIPI D-PHY in > > RX mode. > > > > Signed-off-by: Luis Oliveira <[email protected]> > > --- > > Changelog > > v3-v4 > > - @Laurent I know I told you I could remove the snps,dphy-frequency on V3 > > but > > it is really useful for me here. I removed all other the proprietary > > properties except this one. Do you still think it must be removed? > > - Frequency units @Rob > > Frequency units means append '-khz' to the property name. That also > makes the 'frequency' part redundant, so maybe name it more around what > the frequency is. The frequency for what? > > Rob > This is the D-PHY high speed frequency configuration that corresponds to the high speed data transfer of the bus. Basically is the transmission speed per lane. Do you think I can use "link-frequencies" (present in video-interfaces.txt) with one frequency? > > > > .../devicetree/bindings/phy/snps,dw-dphy-rx.txt | 29 > > ++++++++++++++++++++++ > > 1 file changed, 29 insertions(+) > > create mode 100644 > > Documentation/devicetree/bindings/phy/snps,dw-dphy-rx.txt > > > > diff --git a/Documentation/devicetree/bindings/phy/snps,dw-dphy-rx.txt > > b/Documentation/devicetree/bindings/phy/snps,dw-dphy-rx.txt > > new file mode 100644 > > index 0000000..50603e6 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/phy/snps,dw-dphy-rx.txt > > @@ -0,0 +1,29 @@ > > +Synopsys DesignWare MIPI Rx D-PHY block details > > + > > +Description > > +----------- > > + > > +The Synopsys MIPI D-PHY controller supports MIPI-DPHY in receiver mode. > > +Please refer to phy-bindings.txt for more information. > > + > > +Required properties: > > +- compatible : Shall be "snps,dw-dphy-rx". > > +- #phy-cells : Must be 1. > > +- bus-width : Size of the test interface data bus (8 > > bits->8 or > > + 12bits->12). > > +- snps,dphy-frequency : Frequency at which D-PHY should start, > > configurable. > > + Check Synopsys databook. (-kHz) > > +- reg : Test interface register. This correspondes to > > the > > + physical base address of the controller and size of > > + the device memory mapped registers; Check Synopsys > > + databook. > > + > > +Example: > > + > > + mipi_dphy_rx1: dphy@d00003040 { > > + compatible = "snps,dw-dphy-rx"; > > + #phy-cells = <1>; > > + bus-width = <12>; > > + snps,dphy-frequency = <300000>; > > + reg = <0xd0003040 0x20>; > > + }; > > -- > > 2.7.4 > > Thank you Rob, Luis
