[RESEND,1/1] dt-bindings: serial: lpuart: add the clock requirement for imx8qxp
diff mbox series

Message ID 20190704134355.2402-1-fugang.duan@nxp.com
State Not Applicable
Headers show
Series
  • [RESEND,1/1] dt-bindings: serial: lpuart: add the clock requirement for imx8qxp
Related show

Checks

Context Check Description
robh/checkpatch success

Commit Message

Andy Duan July 4, 2019, 1:43 p.m. UTC
From: Fugang Duan <fugang.duan@nxp.com>

Add the baud clock requirement for imx8qxp.

Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
---
 Documentation/devicetree/bindings/serial/fsl-lpuart.txt | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

Comments

Rob Herring July 22, 2019, 11:55 p.m. UTC | #1
On Thu,  4 Jul 2019 21:43:55 +0800, fugang.duan@nxp.com wrote:
> From: Fugang Duan <fugang.duan@nxp.com>
> 
> Add the baud clock requirement for imx8qxp.
> 
> Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
> ---
>  Documentation/devicetree/bindings/serial/fsl-lpuart.txt | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 

Reviewed-by: Rob Herring <robh@kernel.org>
Shawn Guo July 23, 2019, 2:46 a.m. UTC | #2
On Thu, Jul 04, 2019 at 09:43:55PM +0800, fugang.duan@nxp.com wrote:
> From: Fugang Duan <fugang.duan@nxp.com>
> 
> Add the baud clock requirement for imx8qxp.
> 
> Signed-off-by: Fugang Duan <fugang.duan@nxp.com>

Applied, thanks.

Patch
diff mbox series

diff --git a/Documentation/devicetree/bindings/serial/fsl-lpuart.txt b/Documentation/devicetree/bindings/serial/fsl-lpuart.txt
index 21483ba..3495eee 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.