[0/4] rcar-du: add R8A774[35] DU driver(s) support

In order to be able to define du nodes in r8a7743 and r8a7745 device
trees, we need to define data structures, compatible strings, missing
clock, and update the dt-bindings.
I'll send out the patches to add the du nodes in r8a774[35] device trees
once the patches in this series get accepted.

Best regards,

Fabrizio Castro (4):
  dt-bindings: display: rcar-du: Document R8A774[35] DU
  drm: rcar-du: Add R8A7743 support
  clk: renesas: cpg-mssr: Add du1 clock to R8A7745
  drm: rcar-du: Add R8A7745 support

 .../devicetree/bindings/display/renesas,du.txt     | 30 ++++++++-------
 drivers/clk/renesas/r8a7745-cpg-mssr.c             |  1 +
 drivers/gpu/drm/rcar-du/rcar_du_drv.c              | 44 ++++++++++++++++++++++
 3 files changed, 62 insertions(+), 13 deletions(-)

On Fri, Oct 13, 2017 at 5:22 PM, Fabrizio Castro
<fabrizio.castro@bp.renesas.com> wrote:
> Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
> Reviewed-by: Biju Das <biju.das@bp.renesas.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
i.e. will queue in clk-renesas-for-v4.15.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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Hi Fabrizio,

Thank you for the patch.

On Friday, 13 October 2017 18:22:20 EEST Fabrizio Castro wrote:
> Add support for the R8A7743 DU (which is very similar to the R8A7791 DU);
> it has 1 DPAD (RGB) output and 1 LVDS output.
> 
> Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
> Reviewed-by: Biju Das <biju.das@bp.renesas.com>

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

and taken in my tree.

> ---
>  drivers/gpu/drm/rcar-du/rcar_du_drv.c | 22 ++++++++++++++++++++++
>  1 file changed, 22 insertions(+)
> 
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> b/drivers/gpu/drm/rcar-du/rcar_du_drv.c index d2f29e6..3db5e8d 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> @@ -34,6 +34,27 @@
>   * Device Information
>   */
> 
> +static const struct rcar_du_device_info rzg1_du_r8a7743_info = {
> +	.gen = 2,
> +	.features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
> +		  | RCAR_DU_FEATURE_EXT_CTRL_REGS,
> +	.num_crtcs = 2,
> +	.routes = {
> +		/*
> +		 * R8A7743 has one RGB output and one LVDS output
> +		 */
> +		[RCAR_DU_OUTPUT_DPAD0] = {
> +			.possible_crtcs = BIT(1) | BIT(0),
> +			.port = 0,
> +		},
> +		[RCAR_DU_OUTPUT_LVDS0] = {
> +			.possible_crtcs = BIT(0),
> +			.port = 1,
> +		},
> +	},
> +	.num_lvds = 1,
> +};
> +
>  static const struct rcar_du_device_info rcar_du_r8a7779_info = {
>  	.gen = 2,
>  	.features = 0,
> @@ -207,6 +228,7 @@ static const struct rcar_du_device_info
> rcar_du_r8a7796_info = { };
> 
>  static const struct of_device_id rcar_du_of_table[] = {
> +	{ .compatible = "renesas,du-r8a7743", .data = &rzg1_du_r8a7743_info },
>  	{ .compatible = "renesas,du-r8a7779", .data = &rcar_du_r8a7779_info },
>  	{ .compatible = "renesas,du-r8a7790", .data = &rcar_du_r8a7790_info },
>  	{ .compatible = "renesas,du-r8a7791", .data = &rcar_du_r8a7791_info },

Hi Fabrizio,

Thank you for the patch.

On Friday, 13 October 2017 18:22:22 EEST Fabrizio Castro wrote:
> Add support for the R8A7745 DU (which is very similar to the R8A7794 DU);
> it has 2 RGB outputs.
> 
> Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
> Reviewed-by: Biju Das <biju.das@bp.renesas.com>

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

and taken in my tree.

> ---
>  drivers/gpu/drm/rcar-du/rcar_du_drv.c | 22 ++++++++++++++++++++++
>  1 file changed, 22 insertions(+)
> 
> diff --git a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> b/drivers/gpu/drm/rcar-du/rcar_du_drv.c index 3db5e8d..faa5b32 100644
> --- a/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> +++ b/drivers/gpu/drm/rcar-du/rcar_du_drv.c
> @@ -55,6 +55,27 @@ static const struct rcar_du_device_info
> rzg1_du_r8a7743_info = { .num_lvds = 1,
>  };
> 
> +static const struct rcar_du_device_info rzg1_du_r8a7745_info = {
> +	.gen = 2,
> +	.features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
> +		  | RCAR_DU_FEATURE_EXT_CTRL_REGS,
> +	.num_crtcs = 2,
> +	.routes = {
> +		/*
> +		 * R8A7745 has two RGB outputs
> +		 */
> +		[RCAR_DU_OUTPUT_DPAD0] = {
> +			.possible_crtcs = BIT(0),
> +			.port = 0,
> +		},
> +		[RCAR_DU_OUTPUT_DPAD1] = {
> +			.possible_crtcs = BIT(1),
> +			.port = 1,
> +		},
> +	},
> +	.num_lvds = 0,
> +};
> +
>  static const struct rcar_du_device_info rcar_du_r8a7779_info = {
>  	.gen = 2,
>  	.features = 0,
> @@ -229,6 +250,7 @@ static const struct rcar_du_device_info
> rcar_du_r8a7796_info = {
> 
>  static const struct of_device_id rcar_du_of_table[] = {
>  	{ .compatible = "renesas,du-r8a7743", .data = &rzg1_du_r8a7743_info },
> +	{ .compatible = "renesas,du-r8a7745", .data = &rzg1_du_r8a7745_info },
>  	{ .compatible = "renesas,du-r8a7779", .data = &rcar_du_r8a7779_info },
>  	{ .compatible = "renesas,du-r8a7790", .data = &rcar_du_r8a7790_info },
>  	{ .compatible = "renesas,du-r8a7791", .data = &rcar_du_r8a7791_info },