summaryrefslogtreecommitdiff
path: root/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/devicetree/bindings/serial/renesas,sci-serial.txt')
-rw-r--r--Documentation/devicetree/bindings/serial/renesas,sci-serial.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt b/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt
index 7534d46e9ad8..e84b13a8eda3 100644
--- a/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt
+++ b/Documentation/devicetree/bindings/serial/renesas,sci-serial.txt
@@ -45,6 +45,11 @@ Required properties:
Note: Each enabled SCIx UART should have an alias correctly numbered in the
"aliases" node.
+Optional properties:
+ - dmas: Must contain a list of two references to DMA specifiers, one for
+ transmission, and one for reception.
+ - dma-names: Must contain a list of two DMA names, "tx" and "rx".
+
Example:
aliases {
serial0 = &scifa0;
@@ -57,4 +62,6 @@ Example:
interrupts = <0 144 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&mstp2_clks R8A7790_CLK_SCIFA0>;
clock-names = "sci_ick";
+ dmas = <&dmac0 0x21>, <&dmac0 0x22>;
+ dma-names = "tx", "rx";
};