diff options
Diffstat (limited to 'dts/Bindings/dma/ti/k3-udma.yaml')
| -rw-r--r-- | dts/Bindings/dma/ti/k3-udma.yaml | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/dts/Bindings/dma/ti/k3-udma.yaml b/dts/Bindings/dma/ti/k3-udma.yaml index 34780d7535..39ea05e6e5 100644 --- a/dts/Bindings/dma/ti/k3-udma.yaml +++ b/dts/Bindings/dma/ti/k3-udma.yaml @@ -45,7 +45,8 @@ allOf: properties: "#dma-cells": - const: 1 + minimum: 1 + maximum: 2 description: | The cell is the PSI-L thread ID of the remote (to UDMAP) end. Valid ranges for thread ID depends on the data movement direction: @@ -55,6 +56,8 @@ properties: Please refer to the device documentation for the PSI-L thread map and also the PSI-L peripheral chapter for the correct thread ID. + When #dma-cells is 2, the second parameter is the channel ATYPE. + compatible: enum: - ti,am654-navss-main-udmap @@ -131,6 +134,20 @@ required: - ti,sci-rm-range-rchan - ti,sci-rm-range-rflow +if: + properties: + "#dma-cells": + const: 2 +then: + properties: + ti,udma-atype: + description: ATYPE value which should be used by non slave channels + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + + required: + - ti,udma-atype + examples: - |+ cbass_main { |