Thread (30 messages) 30 messages, 4 authors, 2019-05-05

RE: [EXT] Re: [PATCH v2 08/15] dt-bindings: spi: imx: add i.mx6ul to state errata fixed

From: Robin Gong <hidden>
Date: 2019-05-05 08:47:30
Also in: dmaengine, linux-devicetree, linux-spi, lkml

On Fri, Apr 26, 2019 at 08:05:51AM +0000, Robin Gong wrote:
quoted
ERR009165 fixed from i.mx6ul, add it to show the errata fixed.

Signed-off-by: Robin Gong <redacted>
---
 Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt | 2 ++
 1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt
b/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt
index 2d32641..32c4263d 100644
--- a/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt
+++ b/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt
@@ -10,6 +10,8 @@ Required properties:
   - "fsl,imx35-cspi" for SPI compatible with the one integrated on i.MX35
   - "fsl,imx51-ecspi" for SPI compatible with the one integrated on i.MX51
   - "fsl,imx53-ecspi" for SPI compatible with the one integrated on
i.MX53 and later Soc
+  - "fsl,imx6ul-ecspi" ERR009165 fixed on i.MX6UL and later Soc
+
+ (https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fw
+
ww.nxp.com%2Fdocs%2Fen%2Ferrata%2FIMX6DQCE.pdf&amp;data=02%7C01
%7Cyi
quoted
+
bin.gong%40nxp.com%7Cc36708a8219843ffe1d308d6cecbc512%7C686ea1d
3bc2b
quoted
+
4c6fa92cd99c5c301635%7C0%7C1%7C636923771907346428&amp;sdata=9e
8c8GK2
quoted
+ hSE90rzyArm8elog9dwNqn4Jeoeff79XwI4%3D&amp;reserved=0)
I wouldn't mention this errata in the binding documentation. Just state that
fsl,imx6ul-ecspi is designed to be used on i.MX6UL. And that it might also be
used on later SoCs as a "fallback compatible" is a detail that is so common that
Eh...Maybe add one flag member in 'struct spi_imx_devtype_data' to state errata fixed
is better? 
I would expect it not being worth mentioning. So for me it would also be OK to
drop "fsl,imx53-ecspi" from the list as this is only used like:

        compatible = "fsl,imx53-ecspi", "fsl,imx51-ecspi";
(But note that I have no authority here.)

Best regards
Uwe

--
Pengutronix e.K.                           | Uwe Kleine-König
|
Industrial Linux Solutions                 |
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ngutronix.de%2F&amp;data=02%7C01%7Cyibin.gong%40nxp.com%7Cc36708
a8219843ffe1d308d6cecbc512%7C686ea1d3bc2b4c6fa92cd99c5c301635%7
C0%7C1%7C636923771907346428&amp;sdata=McF9ueExCPpCq5Nxa6iJ9h53
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