Hi Geert, Thank you for the patch. On Thursday, 29 November 2018 12:58:50 EET Geert Uytterhoeven wrote: > Using overlay sugar syntax makes the DTS files easier to read (and > write). > > Overlay syntactic sugar for generating target-path fragments is > supported by the version of dtc supplied with the kernel since commit > 50aafd60898a8b3e ("scripts/dtc: Update to upstream version > v1.4.6-21-g84e414b0b5bc"). > > Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> > --- > The generated dtbs before/after are identical. I was going to ask whether you had tested the patch, but this should be good enough :-) The result is nicer to read, thanks. Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> and taken in my tree. > --- > .../drm/rcar-du/rcar_du_of_lvds_r8a7790.dts | 93 +++++++++---------- > .../drm/rcar-du/rcar_du_of_lvds_r8a7791.dts | 53 +++++------ > .../drm/rcar-du/rcar_du_of_lvds_r8a7793.dts | 53 +++++------ > .../drm/rcar-du/rcar_du_of_lvds_r8a7795.dts | 53 +++++------ > .../drm/rcar-du/rcar_du_of_lvds_r8a7796.dts | 53 +++++------ > 5 files changed, 135 insertions(+), 170 deletions(-) > > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7790.dts > b/drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7790.dts index > 579753e04f3b3712..8bee4e787a0ab4eb 100644 > --- a/drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7790.dts > +++ b/drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7790.dts > @@ -7,70 +7,63 @@ > > /dts-v1/; > /plugin/; > -/ { > - fragment@0 { > - target-path = "/"; > - __overlay__ { > - #address-cells = <2>; > - #size-cells = <2>; > > - lvds@feb90000 { > - compatible = "renesas,r8a7790-lvds"; > - reg = <0 0xfeb90000 0 0x1c>; > +&{/} { > + #address-cells = <2>; > + #size-cells = <2>; > > - ports { > - #address-cells = <1>; > - #size-cells = <0>; > + lvds@feb90000 { > + compatible = "renesas,r8a7790-lvds"; > + reg = <0 0xfeb90000 0 0x1c>; > > - port@0 { > - reg = <0>; > - lvds0_input: endpoint { > - }; > - }; > - port@1 { > - reg = <1>; > - lvds0_out: endpoint { > - }; > - }; > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + lvds0_input: endpoint { > }; > }; > - > - lvds@feb94000 { > - compatible = "renesas,r8a7790-lvds"; > - reg = <0 0xfeb94000 0 0x1c>; > - > - ports { > - #address-cells = <1>; > - #size-cells = <0>; > - > - port@0 { > - reg = <0>; > - lvds1_input: endpoint { > - }; > - }; > - port@1 { > - reg = <1>; > - lvds1_out: endpoint { > - }; > - }; > + port@1 { > + reg = <1>; > + lvds0_out: endpoint { > }; > }; > }; > }; > > - fragment@1 { > - target-path = "/display@feb00000/ports"; > - __overlay__ { > - port@1 { > - endpoint { > - remote-endpoint = <&lvds0_input>; > + lvds@feb94000 { > + compatible = "renesas,r8a7790-lvds"; > + reg = <0 0xfeb94000 0 0x1c>; > + > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + lvds1_input: endpoint { > }; > }; > - port@2 { > - endpoint { > - remote-endpoint = <&lvds1_input>; > + port@1 { > + reg = <1>; > + lvds1_out: endpoint { > }; > }; > }; > }; > }; > + > +&{/display@feb00000/ports} { > + port@1 { > + endpoint { > + remote-endpoint = <&lvds0_input>; > + }; > + }; > + port@2 { > + endpoint { > + remote-endpoint = <&lvds1_input>; > + }; > + }; > +}; > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7791.dts > b/drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7791.dts index > cb9da1f3942b5b30..92c0509971ec3df5 100644 > --- a/drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7791.dts > +++ b/drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7791.dts > @@ -7,44 +7,37 @@ > > /dts-v1/; > /plugin/; > -/ { > - fragment@0 { > - target-path = "/"; > - __overlay__ { > - #address-cells = <2>; > - #size-cells = <2>; > > - lvds@feb90000 { > - compatible = "renesas,r8a7791-lvds"; > - reg = <0 0xfeb90000 0 0x1c>; > +&{/} { > + #address-cells = <2>; > + #size-cells = <2>; > > - ports { > - #address-cells = <1>; > - #size-cells = <0>; > + lvds@feb90000 { > + compatible = "renesas,r8a7791-lvds"; > + reg = <0 0xfeb90000 0 0x1c>; > > - port@0 { > - reg = <0>; > - lvds0_input: endpoint { > - }; > - }; > - port@1 { > - reg = <1>; > - lvds0_out: endpoint { > - }; > - }; > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + lvds0_input: endpoint { > }; > }; > - }; > - }; > - > - fragment@1 { > - target-path = "/display@feb00000/ports"; > - __overlay__ { > port@1 { > - endpoint { > - remote-endpoint = <&lvds0_input>; > + reg = <1>; > + lvds0_out: endpoint { > }; > }; > }; > }; > }; > + > +&{/display@feb00000/ports} { > + port@1 { > + endpoint { > + remote-endpoint = <&lvds0_input>; > + }; > + }; > +}; > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7793.dts > b/drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7793.dts index > e7b8804dc3c1a1c5..c8b93f21de0fbb8e 100644 > --- a/drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7793.dts > +++ b/drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7793.dts > @@ -7,44 +7,37 @@ > > /dts-v1/; > /plugin/; > -/ { > - fragment@0 { > - target-path = "/"; > - __overlay__ { > - #address-cells = <2>; > - #size-cells = <2>; > > - lvds@feb90000 { > - compatible = "renesas,r8a7793-lvds"; > - reg = <0 0xfeb90000 0 0x1c>; > +&{/} { > + #address-cells = <2>; > + #size-cells = <2>; > > - ports { > - #address-cells = <1>; > - #size-cells = <0>; > + lvds@feb90000 { > + compatible = "renesas,r8a7793-lvds"; > + reg = <0 0xfeb90000 0 0x1c>; > > - port@0 { > - reg = <0>; > - lvds0_input: endpoint { > - }; > - }; > - port@1 { > - reg = <1>; > - lvds0_out: endpoint { > - }; > - }; > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + lvds0_input: endpoint { > }; > }; > - }; > - }; > - > - fragment@1 { > - target-path = "/display@feb00000/ports"; > - __overlay__ { > port@1 { > - endpoint { > - remote-endpoint = <&lvds0_input>; > + reg = <1>; > + lvds0_out: endpoint { > }; > }; > }; > }; > }; > + > +&{/display@feb00000/ports} { > + port@1 { > + endpoint { > + remote-endpoint = <&lvds0_input>; > + }; > + }; > +}; > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7795.dts > b/drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7795.dts index > a1327443e6fa4d31..16c2d03cb016c470 100644 > --- a/drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7795.dts > +++ b/drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7795.dts > @@ -7,44 +7,37 @@ > > /dts-v1/; > /plugin/; > -/ { > - fragment@0 { > - target-path = "/soc"; > - __overlay__ { > - #address-cells = <2>; > - #size-cells = <2>; > > - lvds@feb90000 { > - compatible = "renesas,r8a7795-lvds"; > - reg = <0 0xfeb90000 0 0x14>; > +&{/soc} { > + #address-cells = <2>; > + #size-cells = <2>; > > - ports { > - #address-cells = <1>; > - #size-cells = <0>; > + lvds@feb90000 { > + compatible = "renesas,r8a7795-lvds"; > + reg = <0 0xfeb90000 0 0x14>; > > - port@0 { > - reg = <0>; > - lvds0_input: endpoint { > - }; > - }; > - port@1 { > - reg = <1>; > - lvds0_out: endpoint { > - }; > - }; > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + lvds0_input: endpoint { > + }; > + }; > + port@1 { > + reg = <1>; > + lvds0_out: endpoint { > }; > }; > }; > }; > +}; > > - fragment@1 { > - target-path = "/soc/display@feb00000/ports"; > - __overlay__ { > - port@3 { > - endpoint { > - remote-endpoint = <&lvds0_input>; > - }; > - }; > +&{/soc/display@feb00000/ports} { > + port@3 { > + endpoint { > + remote-endpoint = <&lvds0_input>; > }; > }; > }; > diff --git a/drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7796.dts > b/drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7796.dts index > b23d6466c4152b6f..680e923ac036c932 100644 > --- a/drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7796.dts > +++ b/drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7796.dts > @@ -7,44 +7,37 @@ > > /dts-v1/; > /plugin/; > -/ { > - fragment@0 { > - target-path = "/soc"; > - __overlay__ { > - #address-cells = <2>; > - #size-cells = <2>; > > - lvds@feb90000 { > - compatible = "renesas,r8a7796-lvds"; > - reg = <0 0xfeb90000 0 0x14>; > +&{/soc} { > + #address-cells = <2>; > + #size-cells = <2>; > > - ports { > - #address-cells = <1>; > - #size-cells = <0>; > + lvds@feb90000 { > + compatible = "renesas,r8a7796-lvds"; > + reg = <0 0xfeb90000 0 0x14>; > > - port@0 { > - reg = <0>; > - lvds0_input: endpoint { > - }; > - }; > - port@1 { > - reg = <1>; > - lvds0_out: endpoint { > - }; > - }; > + ports { > + #address-cells = <1>; > + #size-cells = <0>; > + > + port@0 { > + reg = <0>; > + lvds0_input: endpoint { > + }; > + }; > + port@1 { > + reg = <1>; > + lvds0_out: endpoint { > }; > }; > }; > }; > +}; > > - fragment@1 { > - target-path = "/soc/display@feb00000/ports"; > - __overlay__ { > - port@3 { > - endpoint { > - remote-endpoint = <&lvds0_input>; > - }; > - }; > +&{/soc/display@feb00000/ports} { > + port@3 { > + endpoint { > + remote-endpoint = <&lvds0_input>; > }; > }; > }; -- Regards, Laurent Pinchart