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From: Fabio Estevam <festevam@denx.de>
To: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <festevam@gmail.com>,
	shawnguo@kernel.org, robh+dt@kernel.org,
	krzysztof.kozlowski+dt@linaro.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] ARM: dts: imx6sx: Add LDB support
Date: Wed, 17 May 2023 20:45:09 -0300	[thread overview]
Message-ID: <509c272d28cf3e6f642115fb424e51bc@denx.de> (raw)
In-Reply-To: <16ecb29a-4d52-9464-ecb0-2e45262af105@denx.de>

Hi Marek,

On 17/05/2023 20:15, Marek Vasut wrote:

>> diff --git a/arch/arm/boot/dts/imx6sx.dtsi 
>> b/arch/arm/boot/dts/imx6sx.dtsi
>> index 4233943a1cca..7a8a00d81666 100644
>> --- a/arch/arm/boot/dts/imx6sx.dtsi
>> +++ b/arch/arm/boot/dts/imx6sx.dtsi
>> @@ -843,8 +843,39 @@ iomuxc: pinctrl@20e0000 {
>>     			gpr: iomuxc-gpr@20e4000 {
>>   				compatible = "fsl,imx6sx-iomuxc-gpr",
>> -					     "fsl,imx6q-iomuxc-gpr", "syscon";
>> +					     "fsl,imx6q-iomuxc-gpr", "simple-bus", "syscon";
> 
> Can we really combine simple-bus and syscon or do we need something 
> like

Thanks for your review.

> 5a51e1f2b0834 ("arm64: dts: imx8mp: Drop simple-bus from
> fsl,imx8mp-media-blk-ctrl")

As is, if simple-bus is dropped, the LDB bus is not probed.

> 9cb6d1b39a8f5 ("soc: imx: imx8m-blk-ctrl: Scan subnodes and bind
> drivers to them")

On the i.MX6SX, I am not sure we can add devm_of_platform_populate() 
like in the
imx8m-blk-ctrl case.

imx8m-blk-ctrl has a probe function, but imx6q-iomuxc-gpr does not.

Thanks

  reply	other threads:[~2023-05-17 23:45 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-17 21:02 [PATCH] ARM: dts: imx6sx: Add LDB support Fabio Estevam
2023-05-17 23:15 ` Marek Vasut
2023-05-17 23:45   ` Fabio Estevam [this message]
2023-05-18  7:21 ` Krzysztof Kozlowski

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