It was previously required but not documented.
Add the text to the binding along with the new "dmas" addition.
Signed-off-by: Yuan Yao <yao.yuan@xxxxxxxxxxxxx>
---
Documentation/devicetree/bindings/serial/fsl-lpuart.txt | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/serial/fsl-lpuart.txt b/Documentation/devicetree/bindings/serial/fsl-lpuart.txt
index 6e1cbbf..9666f97 100644
--- a/Documentation/devicetree/bindings/serial/fsl-lpuart.txt
+++ b/Documentation/devicetree/bindings/serial/fsl-lpuart.txt
@@ -4,6 +4,8 @@ Required properties:
- compatible : Should be "fsl,<soc>-lpuart"
- reg : Address and length of the register set for the device
- interrupts : Should contain uart interrupt
+- clocks : phandle + clock specifier pairs, one for each entry in clock-names
+- clock-names : should contain: "ipg" - the uart clock
Optional properties:
- dmas: Generic dma devicetree binding as described
@@ -19,6 +21,8 @@ uart0: serial@40027000 {
compatible = "fsl,vf610-lpuart";
reg = <0x40027000 0x1000>;
interrupts = <0 61 0x00>;
+ clocks = <&clks VF610_CLK_UART0>;
+ clock-names = "ipg";
dmas = <&edma0 0 2>,
<&edma0 0 3>;
dma-names = "rx","tx";
--
1.8.4
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