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drm: rcar-du: Add R8A7796 support
Document the R8A7796-specific DT bindings and support them in the driver. The HDMI output is currently not supported. Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
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2 changed files with 31 additions and 4 deletions
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@ -10,6 +10,7 @@ Required Properties:
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- "renesas,du-r8a7793" for R8A7793 (R-Car M2-N) compatible DU
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- "renesas,du-r8a7794" for R8A7794 (R-Car E2) compatible DU
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- "renesas,du-r8a7795" for R8A7795 (R-Car H3) compatible DU
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- "renesas,du-r8a7796" for R8A7796 (R-Car M3-W) compatible DU
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- reg: A list of base address and length of each memory resource, one for
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each entry in the reg-names property.
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@ -26,10 +27,10 @@ Required Properties:
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- clock-names: Name of the clocks. This property is model-dependent.
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- R8A7779 uses a single functional clock. The clock doesn't need to be
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named.
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- R8A779[012345] use one functional clock per channel and one clock per LVDS
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encoder (if available). The functional clocks must be named "du.x" with
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"x" being the channel numerical index. The LVDS clocks must be named
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"lvds.x" with "x" being the LVDS encoder numerical index.
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- R8A779[0123456] use one functional clock per channel and one clock per
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LVDS encoder (if available). The functional clocks must be named "du.x"
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with "x" being the channel numerical index. The LVDS clocks must be
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named "lvds.x" with "x" being the LVDS encoder numerical index.
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- In addition to the functional and encoder clocks, all DU versions also
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support externally supplied pixel clocks. Those clocks are optional.
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When supplied they must be named "dclkin.x" with "x" being the input
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@ -52,6 +53,7 @@ corresponding to each DU output.
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R8A7793 (M2-N) DPAD LVDS 0 - -
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R8A7794 (E2) DPAD 0 DPAD 1 - -
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R8A7795 (H3) DPAD HDMI 0 HDMI 1 LVDS
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R8A7796 (M3-W) DPAD HDMI LVDS -
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Example: R8A7790 (R-Car H2) DU
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@ -178,6 +178,30 @@ static const struct rcar_du_device_info rcar_du_r8a7795_info = {
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.num_lvds = 1,
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};
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static const struct rcar_du_device_info rcar_du_r8a7796_info = {
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.gen = 3,
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.features = RCAR_DU_FEATURE_CRTC_IRQ_CLOCK
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| RCAR_DU_FEATURE_EXT_CTRL_REGS
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| RCAR_DU_FEATURE_VSP1_SOURCE,
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.num_crtcs = 3,
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.routes = {
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/* R8A7796 has one RGB output, one LVDS output and one
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* (currently unsupported) HDMI output.
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*/
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[RCAR_DU_OUTPUT_DPAD0] = {
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.possible_crtcs = BIT(2),
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.encoder_type = DRM_MODE_ENCODER_NONE,
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.port = 0,
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},
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[RCAR_DU_OUTPUT_LVDS0] = {
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.possible_crtcs = BIT(0),
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.encoder_type = DRM_MODE_ENCODER_LVDS,
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.port = 2,
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},
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},
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.num_lvds = 1,
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};
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static const struct of_device_id rcar_du_of_table[] = {
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{ .compatible = "renesas,du-r8a7779", .data = &rcar_du_r8a7779_info },
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{ .compatible = "renesas,du-r8a7790", .data = &rcar_du_r8a7790_info },
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@ -186,6 +210,7 @@ static const struct of_device_id rcar_du_of_table[] = {
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{ .compatible = "renesas,du-r8a7793", .data = &rcar_du_r8a7791_info },
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{ .compatible = "renesas,du-r8a7794", .data = &rcar_du_r8a7794_info },
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{ .compatible = "renesas,du-r8a7795", .data = &rcar_du_r8a7795_info },
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{ .compatible = "renesas,du-r8a7796", .data = &rcar_du_r8a7796_info },
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{ }
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};
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