Hi Rob,
On Thursday, 22 February 2018 01:28:48 EET Rob Herring wrote:
> On Tue, Feb 20, 2018 at 5:10 PM, Laurent Pinchart 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.
It's a leftover from a previous test. I'll remove it in all the .dts files.
> 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>;
> > + };
> > + };
> > + };
> > + };
> > +};
--
Regards,
Laurent Pinchart
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