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Commit 73323ddb authored by Sergei Shtylyov's avatar Sergei Shtylyov Committed by Laurent Pinchart
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drm: rcar-du: Add R8A7792 support 



Add support for the R8A7792 DU; it has 2 DPAD (RGB) outputs.

Signed-off-by: default avatarSergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
parent 4f7b0d26

Documentation/devicetree/bindings/display/renesas,du.txt

+3 −1
Original line number Diff line number Diff line
@@ -6,6 +6,7 @@ Required Properties: 
    - "renesas,du-r8a7779" for R8A7779 (R-Car H1) compatible DU

    - "renesas,du-r8a7790" for R8A7790 (R-Car H2) compatible DU

    - "renesas,du-r8a7791" for R8A7791 (R-Car M2-W) compatible DU

    - "renesas,du-r8a7792" for R8A7792 (R-Car V2H) compatible DU

    - "renesas,du-r8a7793" for R8A7793 (R-Car M2-N) compatible DU

    - "renesas,du-r8a7794" for R8A7794 (R-Car E2) compatible DU

    - "renesas,du-r8a7795" for R8A7795 (R-Car H3) compatible DU
@@ -25,7 +26,7 @@ Required Properties: 
  - clock-names: Name of the clocks. This property is model-dependent.

    - R8A7779 uses a single functional clock. The clock doesn't need to be

      named.

    - R8A779[01345] use one functional clock per channel and one clock per LVDS

    - R8A779[012345] use one functional clock per channel and one clock per LVDS

      encoder (if available). The functional clocks must be named "du.x" with

      "x" being the channel numerical index. The LVDS clocks must be named

      "lvds.x" with "x" being the LVDS encoder numerical index.
@@ -47,6 +48,7 @@ corresponding to each DU output. 
 R8A7779 (H1)	DPAD 0		DPAD 1		-		-

 R8A7790 (H2)	DPAD		LVDS 0		LVDS 1		-

 R8A7791 (M2-W)	DPAD		LVDS 0		-		-

 R8A7792 (V2H)	DPAD 0		DPAD 1		-		-

 R8A7793 (M2-N)	DPAD		LVDS 0		-		-

 R8A7794 (E2)	DPAD 0		DPAD 1		-		-

 R8A7795 (H3)	DPAD		HDMI 0		HDMI 1		LVDS

drivers/gpu/drm/rcar-du/rcar_du_drv.c

+22 −0
Original line number Diff line number Diff line
@@ -110,6 +110,27 @@ static const struct rcar_du_device_info rcar_du_r8a7791_info = { 
	.num_lvds = 1,

};



static const struct rcar_du_device_info rcar_du_r8a7792_info = {

	.gen = 2,

	.features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK

		  | RCAR_DU_FEATURE_EXT_CTRL_REGS,

	.num_crtcs = 2,

	.routes = {

		/* R8A7792 has two RGB outputs. */

		[RCAR_DU_OUTPUT_DPAD0] = {

			.possible_crtcs = BIT(0),

			.encoder_type = DRM_MODE_ENCODER_NONE,

			.port = 0,

		},

		[RCAR_DU_OUTPUT_DPAD1] = {

			.possible_crtcs = BIT(1),

			.encoder_type = DRM_MODE_ENCODER_NONE,

			.port = 1,

		},

	},

	.num_lvds = 0,

};



static const struct rcar_du_device_info rcar_du_r8a7794_info = {

	.gen = 2,

	.features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
@@ -161,6 +182,7 @@ static const struct of_device_id rcar_du_of_table[] = { 
	{ .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 },

	{ .compatible = "renesas,du-r8a7792", .data = &rcar_du_r8a7792_info },

	{ .compatible = "renesas,du-r8a7793", .data = &rcar_du_r8a7791_info },

	{ .compatible = "renesas,du-r8a7794", .data = &rcar_du_r8a7794_info },

	{ .compatible = "renesas,du-r8a7795", .data = &rcar_du_r8a7795_info },