Re: [PATCH 5/5] arm64: dts: imx93: update gpio node

[Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>]

On 14/09/2023 08:04, Peng Fan wrote:
>> Subject: Re: [PATCH 5/5] arm64: dts: imx93: update gpio node
>>
>> On 14/09/2023 04:21, Peng Fan (OSS) wrote:
>>> From: Peng Fan <peng.fan@nxp.com>
>>>
>>> Per binding doc, i.MX93 GPIO supports two interrupts, and not
>>> compatible with i.MX7ULP. So update the node
>>>
>>> Signed-off-by: Peng Fan <peng.fan@nxp.com>
>>> ---
>>>  arch/arm64/boot/dts/freescale/imx93.dtsi | 20 ++++++++++++--------
>>>  1 file changed, 12 insertions(+), 8 deletions(-)
>>>
>>> diff --git a/arch/arm64/boot/dts/freescale/imx93.dtsi
>>> b/arch/arm64/boot/dts/freescale/imx93.dtsi
>>> index 6f85a05ee7e1..011c34a57c53 100644
>>> --- a/arch/arm64/boot/dts/freescale/imx93.dtsi
>>> +++ b/arch/arm64/boot/dts/freescale/imx93.dtsi
>>> @@ -825,11 +825,12 @@ usdhc3: mmc@428b0000 {
>>>  		};
>>>
>>>  		gpio2: gpio@43810080 {
>>> -			compatible = "fsl,imx93-gpio", "fsl,imx7ulp-gpio";
>>> +			compatible = "fsl,imx93-gpio", "fsl,imx8ulp-gpio";
>>
>> As your driver change points, it is breaking users, so no :(
> 
> ok. Although i.MX93 GPIO is not compatible with i.MX7ULP from HW
> perspective, the compatible string should keep as it is now and binding

If it is not compatible, then how could it work before?



Best regards,
Krzysztof