arm64: dts: zynqmp: Add DisplayPort subsystem

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

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/4d978aef852cacdfb35aa8e50d648a787e73b90c.1611232558.git.michal.simek@xilinx.com

diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
index c676afc..cf52952 100644 (file)
--- a/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
@@ -231,3 +231,9 @@
 &zynqmp_dpdma {
        clocks = <&zynqmp_clk DPDMA_REF>;
 };
+
+&zynqmp_dpsub {
+       clocks = <&zynqmp_clk TOPSW_LSBUS>,
+                <&zynqmp_clk DP_AUDIO_REF>,
+                <&zynqmp_clk DP_VIDEO_REF>;
+};

diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
index f12cd24..a3b391d 100644 (file)
--- 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>
 
@@ -857,5 +858,26 @@
                        clock-names = "axi_clk";
                        #dma-cells = <1>;
                };
+
+               zynqmp_dpsub: display@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";
+                       power-domains = <&zynqmp_firmware PD_DP>;
+                       resets = <&zynqmp_reset ZYNQMP_RESET_DP>;
+                       dma-names = "vid0", "vid1", "vid2", "gfx0";
+                       dmas = <&zynqmp_dpdma ZYNQMP_DPDMA_VIDEO0>,
+                              <&zynqmp_dpdma ZYNQMP_DPDMA_VIDEO1>,
+                              <&zynqmp_dpdma ZYNQMP_DPDMA_VIDEO2>,
+                              <&zynqmp_dpdma ZYNQMP_DPDMA_GRAPHICS>;
+               };
        };
 };