[PATCH] drm: rcar-du: Drop LVDS device tree backward compatibility
Kieran Bingham
kieran.bingham at ideasonboard.com
Wed Jan 26 20:48:41 UTC 2022
Quoting Laurent Pinchart (2022-01-26 20:29:56)
> The rcar-du driver goes to great lengths to preserve device tree
> backward compatibility for the LVDS encoders by patching old device
> trees at runtime.
>
> The last R-Car Gen2 platform was converted to the new bindings commit
> edb0c3affe5214a2 ("ARM: dts: r8a7793: Convert to new LVDS DT bindings"),
> in v4.17, and the last RZ/G1 platform converted in commit
> 6a6a797625b5fe85 ("ARM: dts: r8a7743: Convert to new LVDS DT bindings"),
> in v5.0. Both are older than commit 58256143cff7c2e0 ("clk: renesas:
> Remove R-Car Gen2 legacy DT clock support"), in v5.5, which removes
> support for legacy bindings for clocks. The LBDS compatibility code is
s/LBDS/LVDS/
> thus not needed anymore. Drop it.
Oh, I'm almost sad to see such exotic code go...
But code gone is less code to worry about so:
Reviewed-by: Kieran Bingham <kieran.bingham+renesas at ideasonboard.com>
> Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas at ideasonboard.com>
> ---
> drivers/gpu/drm/rcar-du/Makefile | 6 -
> drivers/gpu/drm/rcar-du/rcar_du_drv.c | 15 +-
> drivers/gpu/drm/rcar-du/rcar_du_of.c | 323 ------------------
> drivers/gpu/drm/rcar-du/rcar_du_of.h | 20 --
> .../drm/rcar-du/rcar_du_of_lvds_r8a7790.dts | 69 ----
> .../drm/rcar-du/rcar_du_of_lvds_r8a7791.dts | 43 ---
> .../drm/rcar-du/rcar_du_of_lvds_r8a7793.dts | 43 ---
> .../drm/rcar-du/rcar_du_of_lvds_r8a7795.dts | 43 ---
> .../drm/rcar-du/rcar_du_of_lvds_r8a7796.dts | 43 ---
> 9 files changed, 1 insertion(+), 604 deletions(-)
> delete mode 100644 drivers/gpu/drm/rcar-du/rcar_du_of.c
> delete mode 100644 drivers/gpu/drm/rcar-du/rcar_du_of.h
> delete mode 100644 drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7790.dts
> delete mode 100644 drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7791.dts
> delete mode 100644 drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7793.dts
> delete mode 100644 drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7795.dts
> delete mode 100644 drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7796.dts
>
> diff --git a/drivers/gpu/drm/rcar-du/Makefile b/drivers/gpu/drm/rcar-du/Makefile
> index 286bc81b3e7c..e7275b5e7ec8 100644
> --- a/drivers/gpu/drm/rcar-du/Makefile
> +++ b/drivers/gpu/drm/rcar-du/Makefile
> @@ -6,12 +6,6 @@ rcar-du-drm-y := rcar_du_crtc.o \
> rcar_du_kms.o \
> rcar_du_plane.o \
>
> -rcar-du-drm-$(CONFIG_DRM_RCAR_LVDS) += rcar_du_of.o \
> - rcar_du_of_lvds_r8a7790.dtb.o \
> - rcar_du_of_lvds_r8a7791.dtb.o \
> - rcar_du_of_lvds_r8a7793.dtb.o \
> - rcar_du_of_lvds_r8a7795.dtb.o \
> - rcar_du_of_lvds_r8a7796.dtb.o
> rcar-du-drm-$(CONFIG_DRM_RCAR_VSP) += rcar_du_vsp.o
> rcar-du-drm-$(CONFIG_DRM_RCAR_WRITEBACK) += rcar_du_writeback.o
>
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> index 5a8131ef81d5..71a9df5a4834 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> @@ -28,7 +28,6 @@
>
> #include "rcar_du_drv.h"
> #include "rcar_du_kms.h"
> -#include "rcar_du_of.h"
> #include "rcar_du_regs.h"
>
> /* -----------------------------------------------------------------------------
> @@ -699,19 +698,7 @@ static struct platform_driver rcar_du_platform_driver = {
> },
> };
>
> -static int __init rcar_du_init(void)
> -{
> - rcar_du_of_init(rcar_du_of_table);
> -
> - return platform_driver_register(&rcar_du_platform_driver);
> -}
> -module_init(rcar_du_init);
> -
> -static void __exit rcar_du_exit(void)
> -{
> - platform_driver_unregister(&rcar_du_platform_driver);
> -}
> -module_exit(rcar_du_exit);
> +module_platform_driver(rcar_du_platform_driver);
>
> MODULE_AUTHOR("Laurent Pinchart <laurent.pinchart at ideasonboard.com>");
> MODULE_DESCRIPTION("Renesas R-Car Display Unit DRM Driver");
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_of.c b/drivers/gpu/drm/rcar-du/rcar_du_of.c
> deleted file mode 100644
> index afef69669bb4..000000000000
> --- a/drivers/gpu/drm/rcar-du/rcar_du_of.c
> +++ /dev/null
> @@ -1,323 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0
> -/*
> - * rcar_du_of.c - Legacy DT bindings compatibility
> - *
> - * Copyright (C) 2018 Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> - *
> - * Based on work from Jyri Sarha <jsarha at ti.com>
> - * Copyright (C) 2015 Texas Instruments
> - */
> -
> -#include <linux/init.h>
> -#include <linux/kernel.h>
> -#include <linux/of.h>
> -#include <linux/of_address.h>
> -#include <linux/of_fdt.h>
> -#include <linux/of_graph.h>
> -#include <linux/slab.h>
> -
> -#include "rcar_du_crtc.h"
> -#include "rcar_du_drv.h"
> -#include "rcar_du_of.h"
> -
> -/* -----------------------------------------------------------------------------
> - * Generic Overlay Handling
> - */
> -
> -struct rcar_du_of_overlay {
> - const char *compatible;
> - void *begin;
> - void *end;
> -};
> -
> -#define RCAR_DU_OF_DTB(type, soc) \
> - extern char __dtb_rcar_du_of_##type##_##soc##_begin[]; \
> - extern char __dtb_rcar_du_of_##type##_##soc##_end[]
> -
> -#define RCAR_DU_OF_OVERLAY(type, soc) \
> - { \
> - .compatible = "renesas,du-" #soc, \
> - .begin = __dtb_rcar_du_of_##type##_##soc##_begin, \
> - .end = __dtb_rcar_du_of_##type##_##soc##_end, \
> - }
> -
> -static int __init rcar_du_of_apply_overlay(const struct rcar_du_of_overlay *dtbs,
> - const char *compatible)
> -{
> - const struct rcar_du_of_overlay *dtb = NULL;
> - unsigned int i;
> - int ovcs_id;
> -
> - for (i = 0; dtbs[i].compatible; ++i) {
> - if (!strcmp(dtbs[i].compatible, compatible)) {
> - dtb = &dtbs[i];
> - break;
> - }
> - }
> -
> - if (!dtb)
> - return -ENODEV;
> -
> - ovcs_id = 0;
> - return of_overlay_fdt_apply(dtb->begin, dtb->end - dtb->begin,
> - &ovcs_id);
> -}
> -
> -static int __init rcar_du_of_add_property(struct of_changeset *ocs,
> - struct device_node *np,
> - const char *name, const void *value,
> - int length)
> -{
> - struct property *prop;
> - int ret = -ENOMEM;
> -
> - prop = kzalloc(sizeof(*prop), GFP_KERNEL);
> - if (!prop)
> - return -ENOMEM;
> -
> - prop->name = kstrdup(name, GFP_KERNEL);
> - if (!prop->name)
> - goto out_err;
> -
> - prop->value = kmemdup(value, length, GFP_KERNEL);
> - if (!prop->value)
> - goto out_err;
> -
> - of_property_set_flag(prop, OF_DYNAMIC);
> -
> - prop->length = length;
> -
> - ret = of_changeset_add_property(ocs, np, prop);
> - if (!ret)
> - return 0;
> -
> -out_err:
> - kfree(prop->value);
> - kfree(prop->name);
> - kfree(prop);
> - return ret;
> -}
> -
> -/* -----------------------------------------------------------------------------
> - * LVDS Overlays
> - */
> -
> -RCAR_DU_OF_DTB(lvds, r8a7790);
> -RCAR_DU_OF_DTB(lvds, r8a7791);
> -RCAR_DU_OF_DTB(lvds, r8a7793);
> -RCAR_DU_OF_DTB(lvds, r8a7795);
> -RCAR_DU_OF_DTB(lvds, r8a7796);
> -
> -static const struct rcar_du_of_overlay rcar_du_lvds_overlays[] __initconst = {
> - RCAR_DU_OF_OVERLAY(lvds, r8a7790),
> - RCAR_DU_OF_OVERLAY(lvds, r8a7791),
> - RCAR_DU_OF_OVERLAY(lvds, r8a7793),
> - RCAR_DU_OF_OVERLAY(lvds, r8a7795),
> - RCAR_DU_OF_OVERLAY(lvds, r8a7796),
> - { /* Sentinel */ },
> -};
> -
> -static struct of_changeset rcar_du_lvds_changeset;
> -
> -static void __init rcar_du_of_lvds_patch_one(struct device_node *lvds,
> - const struct of_phandle_args *clk,
> - struct device_node *local,
> - struct device_node *remote)
> -{
> - unsigned int psize;
> - unsigned int i;
> - __be32 value[4];
> - int ret;
> -
> - /*
> - * Set the LVDS clocks property. This can't be performed by the overlay
> - * as the structure of the clock specifier has changed over time, and we
> - * don't know at compile time which binding version the system we will
> - * run on uses.
> - */
> - if (clk->args_count >= ARRAY_SIZE(value) - 1)
> - return;
> -
> - of_changeset_init(&rcar_du_lvds_changeset);
> -
> - value[0] = cpu_to_be32(clk->np->phandle);
> - for (i = 0; i < clk->args_count; ++i)
> - value[i + 1] = cpu_to_be32(clk->args[i]);
> -
> - psize = (clk->args_count + 1) * 4;
> - ret = rcar_du_of_add_property(&rcar_du_lvds_changeset, lvds,
> - "clocks", value, psize);
> - if (ret < 0)
> - goto done;
> -
> - /*
> - * Insert the node in the OF graph: patch the LVDS ports remote-endpoint
> - * properties to point to the endpoints of the sibling nodes in the
> - * graph. This can't be performed by the overlay: on the input side the
> - * overlay would contain a phandle for the DU LVDS output port that
> - * would clash with the system DT, and on the output side the connection
> - * is board-specific.
> - */
> - value[0] = cpu_to_be32(local->phandle);
> - value[1] = cpu_to_be32(remote->phandle);
> -
> - for (i = 0; i < 2; ++i) {
> - struct device_node *endpoint;
> -
> - endpoint = of_graph_get_endpoint_by_regs(lvds, i, 0);
> - if (!endpoint) {
> - ret = -EINVAL;
> - goto done;
> - }
> -
> - ret = rcar_du_of_add_property(&rcar_du_lvds_changeset,
> - endpoint, "remote-endpoint",
> - &value[i], sizeof(value[i]));
> - of_node_put(endpoint);
> - if (ret < 0)
> - goto done;
> - }
> -
> - ret = of_changeset_apply(&rcar_du_lvds_changeset);
> -
> -done:
> - if (ret < 0)
> - of_changeset_destroy(&rcar_du_lvds_changeset);
> -}
> -
> -struct lvds_of_data {
> - struct resource res;
> - struct of_phandle_args clkspec;
> - struct device_node *local;
> - struct device_node *remote;
> -};
> -
> -static void __init rcar_du_of_lvds_patch(const struct of_device_id *of_ids)
> -{
> - const struct rcar_du_device_info *info;
> - const struct of_device_id *match;
> - struct lvds_of_data lvds_data[2] = { };
> - struct device_node *lvds_node;
> - struct device_node *soc_node;
> - struct device_node *du_node;
> - char compatible[22];
> - const char *soc_name;
> - unsigned int i;
> - int ret;
> -
> - /* Get the DU node and exit if not present or disabled. */
> - du_node = of_find_matching_node_and_match(NULL, of_ids, &match);
> - if (!du_node || !of_device_is_available(du_node)) {
> - of_node_put(du_node);
> - return;
> - }
> -
> - info = match->data;
> - soc_node = of_get_parent(du_node);
> -
> - if (WARN_ON(info->num_lvds > ARRAY_SIZE(lvds_data)))
> - goto done;
> -
> - /*
> - * Skip if the LVDS nodes already exists.
> - *
> - * The nodes are searched based on the compatible string, which we
> - * construct from the SoC name found in the DU compatible string. As a
> - * match has been found we know the compatible string matches the
> - * expected format and can thus skip some of the string manipulation
> - * normal safety checks.
> - */
> - soc_name = strchr(match->compatible, '-') + 1;
> - sprintf(compatible, "renesas,%s-lvds", soc_name);
> - lvds_node = of_find_compatible_node(NULL, NULL, compatible);
> - if (lvds_node) {
> - of_node_put(lvds_node);
> - return;
> - }
> -
> - /*
> - * Parse the DU node and store the register specifier, the clock
> - * specifier and the local and remote endpoint of the LVDS link for
> - * later use.
> - */
> - for (i = 0; i < info->num_lvds; ++i) {
> - struct lvds_of_data *lvds = &lvds_data[i];
> - unsigned int port;
> - char name[7];
> - int index;
> -
> - sprintf(name, "lvds.%u", i);
> - index = of_property_match_string(du_node, "clock-names", name);
> - if (index < 0)
> - continue;
> -
> - ret = of_parse_phandle_with_args(du_node, "clocks",
> - "#clock-cells", index,
> - &lvds->clkspec);
> - if (ret < 0)
> - continue;
> -
> - port = info->routes[RCAR_DU_OUTPUT_LVDS0 + i].port;
> -
> - lvds->local = of_graph_get_endpoint_by_regs(du_node, port, 0);
> - if (!lvds->local)
> - continue;
> -
> - lvds->remote = of_graph_get_remote_endpoint(lvds->local);
> - if (!lvds->remote)
> - continue;
> -
> - index = of_property_match_string(du_node, "reg-names", name);
> - if (index < 0)
> - continue;
> -
> - of_address_to_resource(du_node, index, &lvds->res);
> - }
> -
> - /* Parse and apply the overlay. This will resolve phandles. */
> - ret = rcar_du_of_apply_overlay(rcar_du_lvds_overlays,
> - match->compatible);
> - if (ret < 0)
> - goto done;
> -
> - /* Patch the newly created LVDS encoder nodes. */
> - for_each_child_of_node(soc_node, lvds_node) {
> - struct resource res;
> -
> - if (!of_device_is_compatible(lvds_node, compatible))
> - continue;
> -
> - /* Locate the lvds_data entry based on the resource start. */
> - ret = of_address_to_resource(lvds_node, 0, &res);
> - if (ret < 0)
> - continue;
> -
> - for (i = 0; i < ARRAY_SIZE(lvds_data); ++i) {
> - if (lvds_data[i].res.start == res.start)
> - break;
> - }
> -
> - if (i == ARRAY_SIZE(lvds_data))
> - continue;
> -
> - /* Patch the LVDS encoder. */
> - rcar_du_of_lvds_patch_one(lvds_node, &lvds_data[i].clkspec,
> - lvds_data[i].local,
> - lvds_data[i].remote);
> - }
> -
> -done:
> - for (i = 0; i < info->num_lvds; ++i) {
> - of_node_put(lvds_data[i].clkspec.np);
> - of_node_put(lvds_data[i].local);
> - of_node_put(lvds_data[i].remote);
> - }
> -
> - of_node_put(soc_node);
> - of_node_put(du_node);
> -}
> -
> -void __init rcar_du_of_init(const struct of_device_id *of_ids)
> -{
> - rcar_du_of_lvds_patch(of_ids);
> -}
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_of.h b/drivers/gpu/drm/rcar-du/rcar_du_of.h
> deleted file mode 100644
> index 8dd3fbe96650..000000000000
> --- a/drivers/gpu/drm/rcar-du/rcar_du_of.h
> +++ /dev/null
> @@ -1,20 +0,0 @@
> -/* SPDX-License-Identifier: GPL-2.0 */
> -/*
> - * rcar_du_of.h - Legacy DT bindings compatibility
> - *
> - * Copyright (C) 2018 Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> - */
> -#ifndef __RCAR_DU_OF_H__
> -#define __RCAR_DU_OF_H__
> -
> -#include <linux/init.h>
> -
> -struct of_device_id;
> -
> -#if IS_ENABLED(CONFIG_DRM_RCAR_LVDS)
> -void __init rcar_du_of_init(const struct of_device_id *of_ids);
> -#else
> -static inline void rcar_du_of_init(const struct of_device_id *of_ids) { }
> -#endif /* CONFIG_DRM_RCAR_LVDS */
> -
> -#endif /* __RCAR_DU_OF_H__ */
> 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
> deleted file mode 100644
> index 8bee4e787a0a..000000000000
> --- a/drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7790.dts
> +++ /dev/null
> @@ -1,69 +0,0 @@
> -// 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 at ideasonboard.com>
> - */
> -
> -/dts-v1/;
> -/plugin/;
> -
> -&{/} {
> - #address-cells = <2>;
> - #size-cells = <2>;
> -
> - lvds at feb90000 {
> - compatible = "renesas,r8a7790-lvds";
> - reg = <0 0xfeb90000 0 0x1c>;
> -
> - ports {
> - #address-cells = <1>;
> - #size-cells = <0>;
> -
> - port at 0 {
> - reg = <0>;
> - lvds0_input: endpoint {
> - };
> - };
> - port at 1 {
> - reg = <1>;
> - lvds0_out: endpoint {
> - };
> - };
> - };
> - };
> -
> - lvds at feb94000 {
> - compatible = "renesas,r8a7790-lvds";
> - reg = <0 0xfeb94000 0 0x1c>;
> -
> - ports {
> - #address-cells = <1>;
> - #size-cells = <0>;
> -
> - port at 0 {
> - reg = <0>;
> - lvds1_input: endpoint {
> - };
> - };
> - port at 1 {
> - reg = <1>;
> - lvds1_out: endpoint {
> - };
> - };
> - };
> - };
> -};
> -
> -&{/display at feb00000/ports} {
> - port at 1 {
> - endpoint {
> - remote-endpoint = <&lvds0_input>;
> - };
> - };
> - port at 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
> deleted file mode 100644
> index 92c0509971ec..000000000000
> --- a/drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7791.dts
> +++ /dev/null
> @@ -1,43 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0
> -/*
> - * rcar_du_of_lvds_r8a7791.dts - Legacy LVDS DT bindings conversion for R8A7791
> - *
> - * Copyright (C) 2018 Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> - */
> -
> -/dts-v1/;
> -/plugin/;
> -
> -&{/} {
> - #address-cells = <2>;
> - #size-cells = <2>;
> -
> - lvds at feb90000 {
> - compatible = "renesas,r8a7791-lvds";
> - reg = <0 0xfeb90000 0 0x1c>;
> -
> - ports {
> - #address-cells = <1>;
> - #size-cells = <0>;
> -
> - port at 0 {
> - reg = <0>;
> - lvds0_input: endpoint {
> - };
> - };
> - port at 1 {
> - reg = <1>;
> - lvds0_out: endpoint {
> - };
> - };
> - };
> - };
> -};
> -
> -&{/display at feb00000/ports} {
> - port at 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
> deleted file mode 100644
> index c8b93f21de0f..000000000000
> --- a/drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7793.dts
> +++ /dev/null
> @@ -1,43 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0
> -/*
> - * rcar_du_of_lvds_r8a7793.dts - Legacy LVDS DT bindings conversion for R8A7793
> - *
> - * Copyright (C) 2018 Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> - */
> -
> -/dts-v1/;
> -/plugin/;
> -
> -&{/} {
> - #address-cells = <2>;
> - #size-cells = <2>;
> -
> - lvds at feb90000 {
> - compatible = "renesas,r8a7793-lvds";
> - reg = <0 0xfeb90000 0 0x1c>;
> -
> - ports {
> - #address-cells = <1>;
> - #size-cells = <0>;
> -
> - port at 0 {
> - reg = <0>;
> - lvds0_input: endpoint {
> - };
> - };
> - port at 1 {
> - reg = <1>;
> - lvds0_out: endpoint {
> - };
> - };
> - };
> - };
> -};
> -
> -&{/display at feb00000/ports} {
> - port at 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
> deleted file mode 100644
> index 16c2d03cb016..000000000000
> --- a/drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7795.dts
> +++ /dev/null
> @@ -1,43 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0
> -/*
> - * rcar_du_of_lvds_r8a7795.dts - Legacy LVDS DT bindings conversion for R8A7795
> - *
> - * Copyright (C) 2018 Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> - */
> -
> -/dts-v1/;
> -/plugin/;
> -
> -&{/soc} {
> - #address-cells = <2>;
> - #size-cells = <2>;
> -
> - lvds at feb90000 {
> - compatible = "renesas,r8a7795-lvds";
> - reg = <0 0xfeb90000 0 0x14>;
> -
> - ports {
> - #address-cells = <1>;
> - #size-cells = <0>;
> -
> - port at 0 {
> - reg = <0>;
> - lvds0_input: endpoint {
> - };
> - };
> - port at 1 {
> - reg = <1>;
> - lvds0_out: endpoint {
> - };
> - };
> - };
> - };
> -};
> -
> -&{/soc/display at feb00000/ports} {
> - port at 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
> deleted file mode 100644
> index 680e923ac036..000000000000
> --- a/drivers/gpu/drm/rcar-du/rcar_du_of_lvds_r8a7796.dts
> +++ /dev/null
> @@ -1,43 +0,0 @@
> -// SPDX-License-Identifier: GPL-2.0
> -/*
> - * rcar_du_of_lvds_r8a7796.dts - Legacy LVDS DT bindings conversion for R8A7796
> - *
> - * Copyright (C) 2018 Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> - */
> -
> -/dts-v1/;
> -/plugin/;
> -
> -&{/soc} {
> - #address-cells = <2>;
> - #size-cells = <2>;
> -
> - lvds at feb90000 {
> - compatible = "renesas,r8a7796-lvds";
> - reg = <0 0xfeb90000 0 0x14>;
> -
> - ports {
> - #address-cells = <1>;
> - #size-cells = <0>;
> -
> - port at 0 {
> - reg = <0>;
> - lvds0_input: endpoint {
> - };
> - };
> - port at 1 {
> - reg = <1>;
> - lvds0_out: endpoint {
> - };
> - };
> - };
> - };
> -};
> -
> -&{/soc/display at feb00000/ports} {
> - port at 3 {
> - endpoint {
> - remote-endpoint = <&lvds0_input>;
> - };
> - };
> -};
> --
> Regards,
>
> Laurent Pinchart
>
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