diff options
Diffstat (limited to 'dts/Bindings/dma/snps,dma-spear1340.yaml')
-rw-r--r-- | dts/Bindings/dma/snps,dma-spear1340.yaml | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/dts/Bindings/dma/snps,dma-spear1340.yaml b/dts/Bindings/dma/snps,dma-spear1340.yaml index 20870f5c14..ef1d6879c1 100644 --- a/dts/Bindings/dma/snps,dma-spear1340.yaml +++ b/dts/Bindings/dma/snps,dma-spear1340.yaml @@ -18,12 +18,15 @@ properties: const: snps,dma-spear1340 "#dma-cells": - const: 3 + minimum: 3 + maximum: 4 description: | First cell is a phandle pointing to the DMA controller. Second one is the DMA request line number. Third cell is the memory master identifier for transfers on dynamically allocated channel. Fourth cell is the - peripheral master identifier for transfers on an allocated channel. + peripheral master identifier for transfers on an allocated channel. Fifth + cell is an optional mask of the DMA channels permitted to be allocated + for the corresponding client device. reg: maxItems: 1 |