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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
This commit is contained in:
Michal Simek 2021-01-21 13:36:06 +01:00
parent 7b6714b3ed
commit b0f89cf5b6
2 changed files with 28 additions and 0 deletions
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6
arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
View File

@ -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>;
};

22
arch/arm64/boot/dts/xilinx/zynqmp.dtsi
View File

@ -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>;
};
};
};