[PATCH v11 4/5] arm64: dts: zynqmp: Add DisplayPort subsystem

[Laurent Pinchart]

Add a DT node for the DisplayPort subsystem, a hard IP present in the
Zynq Ultrascale+ MPSoC.

Signed-off-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
---
Changes since v10:

- Replace fixed frequency clocks with real clocks
- Add resets property to zynqmp-dpsub

Changes since v9:

- Update to the latest DPDMA DT bindings
---
 .../arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi |  6 +++++
 arch/arm64/boot/dts/xilinx/zynqmp.dtsi        | 24 +++++++++++++++++++
 2 files changed, 30 insertions(+)

diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
index 32c4914738d9..48db1b353a1a 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
@@ -61,6 +61,12 @@ &dpdma {
 	clocks = <&zynqmp_clk DPDMA_REF>;
 };
 
+&dpsub {
+	clocks = <&zynqmp_clk TOPSW_LSBUS>,
+		 <&zynqmp_clk DP_AUDIO_REF>,
+		 <&zynqmp_clk DP_VIDEO_REF>;
+};
+
 &fpd_dma_chan1 {
 	clocks = <&zynqmp_clk GDMA_REF>, <&zynqmp_clk LPD_LSBUS>;
 };
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
index b195fd0dbeed..003fa5c4d572 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
@@ -12,6 +12,7 @@
  * the License, or (at your option) any later version.
  */
 
+#include <dt-bindings/dma/xlnx-zynqmp-dpdma.h>
 #include <dt-bindings/power/xlnx-zynqmp-power.h>
 #include <dt-bindings/reset/xlnx-zynqmp-resets.h>
 
@@ -450,6 +451,29 @@ mc: memory-controller at fd070000 {
 			interrupts = <0 112 4>;
 		};
 
+		dpsub: display at fd4a0000 {
+			compatible = "xlnx,zynqmp-dpsub-1.7";
+			status = "disabled";
+			reg = <0x0 0xfd4a0000 0x0 0x1000>,
+			      <0x0 0xfd4aa000 0x0 0x1000>,
+			      <0x0 0xfd4ab000 0x0 0x1000>,
+			      <0x0 0xfd4ac000 0x0 0x1000>;
+			reg-names = "dp", "blend", "av_buf", "aud";
+			interrupts = <0 119 4>;
+			interrupt-parent = <&gic>;
+
+			clock-names = "dp_apb_clk", "dp_aud_clk",
+				      "dp_vtc_pixel_clk_in";
+
+			resets = <&reset ZYNQMP_RESET_DP>;
+
+			dma-names = "vid0", "vid1", "vid2", "gfx0";
+			dmas = <&dpdma ZYNQMP_DPDMA_VIDEO0>,
+			       <&dpdma ZYNQMP_DPDMA_VIDEO1>,
+			       <&dpdma ZYNQMP_DPDMA_VIDEO2>,
+			       <&dpdma ZYNQMP_DPDMA_GRAPHICS>;
+		};
+
 		gem0: ethernet at ff0b0000 {
 			compatible = "cdns,zynqmp-gem", "cdns,gem";
 			status = "disabled";
-- 
Regards,

Laurent Pinchart