The DP subsystem for ZynqMP support audio via two channels, and the DP
DMA has dma-engines for those channels. For some reason the DT binding
has not specified those channels, even if the picture included in
xlnx,zynqmp-dpsub.yaml shows "2 x aud" DMAs.
Add the two audio DMAs to the binding.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxxxxxxxxxxxx>
---
.../devicetree/bindings/display/xlnx/xlnx,zynqmp-dpsub.yaml | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/display/xlnx/xlnx,zynqmp-dpsub.yaml b/Documentation/devicetree/bindings/display/xlnx/xlnx,zynqmp-dpsub.yaml
index 554f9d5809d4..8a56ab923cca 100644
--- a/Documentation/devicetree/bindings/display/xlnx/xlnx,zynqmp-dpsub.yaml
+++ b/Documentation/devicetree/bindings/display/xlnx/xlnx,zynqmp-dpsub.yaml
@@ -100,12 +100,16 @@ properties:
- description: Video layer, plane 1 (U/V or U)
- description: Video layer, plane 2 (V)
- description: Graphics layer
+ - description: Audio channel 0
+ - description: Audio channel 1
dma-names:
items:
- const: vid0
- const: vid1
- const: vid2
- const: gfx0
+ - const: aud0
+ - const: aud1
phys:
description: PHYs for the DP data lanes
@@ -194,11 +198,13 @@ examples:
power-domains = <&pd_dp>;
resets = <&reset ZYNQMP_RESET_DP>;
- dma-names = "vid0", "vid1", "vid2", "gfx0";
+ dma-names = "vid0", "vid1", "vid2", "gfx0", "aud0", "aud1;
dmas = <&xlnx_dpdma 0>,
<&xlnx_dpdma 1>,
<&xlnx_dpdma 2>,
- <&xlnx_dpdma 3>;
+ <&xlnx_dpdma 3>,
+ <&xlnx_dpdma 4>,
+ <&xlnx_dpdma 5>;
phys = <&psgtr 1 PHY_TYPE_DP 0 3>,
<&psgtr 0 PHY_TYPE_DP 1 3>;
--
2.34.1
