[PATCH] arm64: dts: imx8m-venice: Remove incorrect 'uart-has-rtscts'

[Shawn Guo]

On Mon, Jan 02, 2023 at 11:04:02AM -0300, Fabio Estevam wrote:
> The following build warnings are seen when running:
> 
> make dtbs_check DT_SCHEMA_FILES=fsl-imx-uart.yaml
> 
> arch/arm64/boot/dts/freescale/imx8mm-venice-gw7903.dtb: serial at 30860000: cts-gpios: False schema does not allow [[33, 3, 1]]
> 	From schema: Documentation/devicetree/bindings/serial/fsl-imx-uart.yaml
> arch/arm64/boot/dts/freescale/imx8mm-venice-gw7903.dtb: serial at 30860000: rts-gpios: False schema does not allow [[33, 5, 1]]
> 	From schema: Documentation/devicetree/bindings/serial/fsl-imx-uart.yaml
> ...
> 
> The imx8m Venice Gateworks boards do not expose the UART RTS and CTS
> as native UART pins, so 'uart-has-rtscts' should not be used.
> 
> Using 'uart-has-rtscts' with 'rts-gpios' is an invalid combination
> detected by serial.yaml.
> 
> Fix the problem by removing the incorrect 'uart-has-rtscts' property.
> 
> Fixes: 27c8f4ccc1b9 ("arm64: dts: imx8mm-venice-gw72xx-0x: add dt overlays for serial modes")
> Fixes: d9a9a7cf32c9 ("arm64: dts: imx8m{m,n}-venice-*: add missing uart-has-rtscts property to UARTs")
> Fixes: 870f645b396b ("arm64: dts: imx8mp-venice-gw74xx: add WiFi/BT module support")
> Signed-off-by: Fabio Estevam <festevam at denx.de>

Applied, thanks!