From 1843f225625bb7c15109136ac870ff39e304fc42 Mon Sep 17 00:00:00 2001 From: Fugang Duan Date: Thu, 4 Jul 2019 21:43:55 +0800 Subject: dt-bindings: serial: lpuart: add the clock requirement for imx8qxp Add the baud clock requirement for imx8qxp. Signed-off-by: Fugang Duan Reviewed-by: Rob Herring Signed-off-by: Shawn Guo --- Documentation/devicetree/bindings/serial/fsl-lpuart.txt | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'Documentation/devicetree/bindings/serial') diff --git a/Documentation/devicetree/bindings/serial/fsl-lpuart.txt b/Documentation/devicetree/bindings/serial/fsl-lpuart.txt index 21483ba820bc..3495eee81d53 100644 --- a/Documentation/devicetree/bindings/serial/fsl-lpuart.txt +++ b/Documentation/devicetree/bindings/serial/fsl-lpuart.txt @@ -13,7 +13,10 @@ Required properties: - 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 +- clock-names : For vf610/ls1021a/imx7ulp, "ipg" clock is for uart bus/baud + clock. For imx8qxp lpuart, "ipg" clock is bus clock that is used to access + lpuart controller registers, it also requires "baud" clock for module to + receive/transmit data. Optional properties: - dmas: A list of two dma specifiers, one for each entry in dma-names. -- cgit v1.2.3