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author | Fugang Duan <fugang.duan@nxp.com> | 2019-07-04 21:43:55 +0800 |
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committer | Shawn Guo <shawnguo@kernel.org> | 2019-07-23 10:46:06 +0800 |
commit | 1843f225625bb7c15109136ac870ff39e304fc42 (patch) | |
tree | b335c999ab796fd40e43d8c259b508af67125aff /Documentation/devicetree/bindings/serial | |
parent | dt-bindings: arm: fsl: Add support for ZII i.MX7 RMU2 board (diff) | |
download | linux-dev-1843f225625bb7c15109136ac870ff39e304fc42.tar.xz linux-dev-1843f225625bb7c15109136ac870ff39e304fc42.zip |
dt-bindings: serial: lpuart: add the clock requirement for imx8qxp
Add the baud clock requirement for imx8qxp.
Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/serial')
-rw-r--r-- | Documentation/devicetree/bindings/serial/fsl-lpuart.txt | 5 |
1 files changed, 4 insertions, 1 deletions
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. |