Hello Laurent, thank you for getting back to me. > > Hi Fabrizio, > > Thank you for the patch. > > On Friday, 13 October 2017 18:22:19 EEST Fabrizio Castro wrote: > > Add device tree bindings for r8a7743 and r8a7745 DUs. > > r8a7743 DU is similar to the one from r8a7791, r8a7745 DU is similar > > to the one from r8a7794. > > > > Signed-off-by: Fabrizio Castro <fabrizio.castro@xxxxxxxxxxxxxx> > > Reviewed-by: Biju Das <biju.das@xxxxxxxxxxxxxx> > > --- > > .../devicetree/bindings/display/renesas,du.txt | 30 ++++++++++--------- > > 1 file changed, 17 insertions(+), 13 deletions(-) > > > > diff --git a/Documentation/devicetree/bindings/display/renesas,du.txt > > b/Documentation/devicetree/bindings/display/renesas,du.txt index > > 4bbd1e9..c520226 100644 > > --- a/Documentation/devicetree/bindings/display/renesas,du.txt > > +++ b/Documentation/devicetree/bindings/display/renesas,du.txt > > @@ -3,6 +3,8 @@ > > Required Properties: > > > > - compatible: must be one of the following. > > + - "renesas,du-r8a7743" for R8A7743 (RZ/G1M) compatible DU > > + - "renesas,du-r8a7745" for R8A7745 (RZ/G1E) compatible DU > > - "renesas,du-r8a7779" for R8A7779 (R-Car H1) compatible DU > > - "renesas,du-r8a7790" for R8A7790 (R-Car H2) compatible DU > > - "renesas,du-r8a7791" for R8A7791 (R-Car M2-W) compatible DU > > @@ -27,10 +29,10 @@ Required Properties: > > - clock-names: Name of the clocks. This property is model-dependent. > > - R8A7779 uses a single functional clock. The clock doesn't need to be > > named. > > - - R8A779[0123456] use one functional clock per channel and one clock > > per > > - LVDS encoder (if available). The functional clocks must be named > > "du.x" > > - with "x" being the channel numerical index. The LVDS clocks must be > > - named "lvds.x" with "x" being the LVDS encoder numerical index. > > + - R8A779[0123456] and R8A774[35] use one functional clock per channel > > How about "All other DU instances use one functional clock..." ? I expect more > entries to the added in the future, it would be nice not to have to modify > this paragraph. I agree. > > > and > > + one clock per LVDS encoder (if available). The functional clocks must > > be > > + named "du.x" with "x" being the channel numerical index. The LVDS > > clocks > > + must be named "lvds.x" with "x" being the LVDS encoder numerical > > index. > > - In addition to the functional and encoder clocks, all DU versions also > > support externally supplied pixel clocks. Those clocks are optional. When > > supplied they must be named "dclkin.x" with "x" being the input > > @@ -49,16 +51,18 @@ bindings specified > > in Documentation/devicetree/bindings/graph.txt. The following table lists > > for each supported model the port number corresponding to each DU output. > > > > -Port 0Port1Port2Port3 > > + Port0 Port1 Port2 Port3 > > --------------------------------------------------------------------------- > > -- - R8A7779 (H1)DPAD 0DPAD 1-- > > - R8A7790 (H2)DPADLVDS 0LVDS 1- > > - R8A7791 (M2-W)DPADLVDS 0-- > > - R8A7792 (V2H)DPAD 0DPAD 1-- > > - R8A7793 (M2-N)DPADLVDS 0-- > > - R8A7794 (E2)DPAD 0DPAD 1-- > > - R8A7795 (H3)DPADHDMI 0HDMI 1LVDS > > - R8A7796 (M3-W)DPADHDMILVDS- > > + R8A7743 (RZ/G1M) DPAD 0 LVDS 0 - - > > When there's a single DPAD the table mentions "DPAD" instead of "DPAD 0". > There's no specific reason for that other than a historical one, but to keep > entries consistent I would either keep doing so, or rename DPAD to DPAD 0 in > all existing entries. What would you prefer ? My personal preference is to number all of the entries (not just DPAD ones). > > If you're fine with these changes there's no need to submit a new version, I > can fix when applying the patch to my tree. Thank you Laurent! Best regards, Fab > > > + R8A7745 (RZ/G1E) DPAD 0 DPAD 1 - - > > + R8A7779 (R-Car H1) DPAD 0 DPAD 1 - - > > + R8A7790 (R-Car H2) DPAD LVDS 0 LVDS 1 - > > + R8A7791 (R-Car M2-W) DPAD LVDS 0 - - > > + R8A7792 (R-Car V2H) DPAD 0 DPAD 1 - - > > + R8A7793 (R-Car M2-N) DPAD LVDS 0 - - > > + R8A7794 (R-Car E2) DPAD 0 DPAD 1 - - > > + R8A7795 (R-Car H3) DPAD HDMI 0 HDMI 1 LVDS > > + R8A7796 (R-Car M3-W) DPAD HDMI LVDS - > > > > > > Example: R8A7795 (R-Car H3) ES2.0 DU > > > -- > Regards, > > Laurent Pinchart Renesas Electronics Europe Ltd, Dukes Meadow, Millboard Road, Bourne End, Buckinghamshire, SL8 5FH, UK. Registered in England & Wales under Registered No. 04586709. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
