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+rene...@glider.be>
> ---
> 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.pinch...@ideasonboard.com>
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
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