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-rw-r--r--dts/Bindings/mailbox/fsl,mu.yaml7
1 files changed, 5 insertions, 2 deletions
diff --git a/dts/Bindings/mailbox/fsl,mu.yaml b/dts/Bindings/mailbox/fsl,mu.yaml
index 7a86e7926d..12e7a7d536 100644
--- a/dts/Bindings/mailbox/fsl,mu.yaml
+++ b/dts/Bindings/mailbox/fsl,mu.yaml
@@ -72,14 +72,17 @@ properties:
type : Channel type
channel : Channel number
- This MU support 4 type of unidirectional channels, each type
- has 4 channels. A total of 16 channels. Following types are
+ This MU support 6 type of unidirectional channels, each type
+ has 4 channels except RST channel which only has 1 channel.
+ A total of 21 channels. Following types are
supported:
0 - TX channel with 32bit transmit register and IRQ transmit
acknowledgment support.
1 - RX channel with 32bit receive register and IRQ support
2 - TX doorbell channel. Without own register and no ACK support.
3 - RX doorbell channel.
+ 4 - RST channel
+ 5 - Tx doorbell channel. With S/W ACK from the other side.
const: 2
clocks: