Thread (26 messages) 26 messages, 4 authors, 2021-11-29

Re: [PATCH v4 12/12] dt-bindings: serial: fsl-lpuart: Add i.MX8DXL compatible

From: Abel Vesa <hidden>
Date: 2021-11-22 16:29:27
Also in: linux-arm-kernel, linux-i2c, linux-serial, lkml

On 21-11-18 19:04:04, Rob Herring wrote:
On Wed, Nov 10, 2021 at 07:46:55PM +0200, Abel Vesa wrote:
quoted
Add i.MX8DXL lpuart compatible to the bindings documentation.

Signed-off-by: Abel Vesa <redacted>
---
 Documentation/devicetree/bindings/serial/fsl-lpuart.yaml | 4 ++++
 1 file changed, 4 insertions(+)
diff --git a/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml b/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml
index dc1f0e07cbd4..fa8a602ccb22 100644
--- a/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml
+++ b/Documentation/devicetree/bindings/serial/fsl-lpuart.yaml
@@ -27,6 +27,10 @@ properties:
       - items:
           - const: fsl,imx8qm-lpuart
           - const: fsl,imx8qxp-lpuart
+      - items:
+          - const: fsl,imx8dxl-lpuart
+          - const: fsl,imx8qxp-lpuart
+          - const: fsl,imx7ulp-lpuart
I'm confused why 8dxl is compatible with 7ulp, but 8qm is not? From the 
driver, it looks like the difference is clocks.
There are still things to be upstreamed for the fsl-lpuart driver.
Looking at the NXP's tree, 7ulp has some specific fixup that the
8qm doesn't need.

Have a look here:

https://source.codeaurora.org/external/imx/linux-imx/tree/drivers/tty/serial/fsl_lpuart.c?h=lf-5.10.y#n3242
quoted
 
   reg:
     maxItems: 1
-- 
2.31.1
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