On Tue, Feb 20, 2018 at 5:10 PM, Laurent Pinchart
<laurent.pinchart+renesas@xxxxxxxxxxxxxxxx> wrote:
> The internal LVDS encoders now have their own DT bindings. Before
> switching the driver infrastructure to those new bindings, implement
> backward-compatibility through live DT patching.
>
> Patching is disabled and will be enabled along with support for the new
> DT bindings in the DU driver.
>
> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
> ---
[...]
> 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
> new file mode 100644
> index 000000000000..6ebb355b652a
> --- /dev/null
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7790.dts
> @@ -0,0 +1,81 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * rcar_du_of_lvds_r8a7790.dts - Legacy LVDS DT bindings conversion for R8A7790
> + *
> + * Copyright (C) 2018 Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> + *
> + * Based on work from Jyri Sarha <jsarha@xxxxxx>
> + * Copyright (C) 2015 Texas Instruments
> + */
> +
> +#include <dt-bindings/clock/renesas-cpg-mssr.h>
Doesn't seem to be used in any of these.
Otherwise,
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
> +
> +/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>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> + lvds0_input: endpoint {
> + };
> + };
> + port@1 {
> + reg = <1>;
> + lvds0_out: 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 {
> + };
> + };
> + };
> + };
> + };
> + };
> +
> + fragment@1 {
> + target-path = "/display@feb00000/ports";
> + __overlay__ {
> + port@1 {
> + endpoint {
> + remote-endpoint = <&lvds0_input>;
> + };
> + };
> + port@2 {
> + endpoint {
> + remote-endpoint = <&lvds1_input>;
> + };
> + };
> + };
> + };
> +};
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