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From: Lukasz Majewski <lukma@denx.de>
To: Marek Vasut <marex@denx.de>
Cc: U-Boot Mailing List <u-boot@lists.denx.de>,
	Stefano Babic <sbabic@denx.de>, Peng Fan <peng.fan@oss.nxp.com>,
	Peng Fan <peng.fan@nxp.com>, Fabio Estevam <festevam@gmail.com>,
	"'NXP i . MX U-Boot Team'" <uboot-imx@nxp.com>
Subject: Re: [PATCH 1/5] arm: mxs: Provide Kconfig option to to not use VDD5V as IMX28 PMU source
Date: Tue, 9 May 2023 16:46:39 +0200	[thread overview]
Message-ID: <20230509164639.13dc0f22@wsk> (raw)
In-Reply-To: <08c74cf0-5f10-f745-99af-ab8fb4698767@denx.de>

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Hi Marek,

> On 5/9/23 16:32, Lukasz Majewski wrote:
> > This option sets the current limit for 5V source to zero, so all
> > the PMU outputs are primarily powered from battery source
> > (DCDC_BAT).
> > 
> > This option may be set on systems, where the 5V is NOT supposed to
> > be in any scenario powering the system - for example on systems
> > where DCDC_BAT is connected to fixed and regulated 4.2V source (so
> > the "battery" is not present).  
> 
> Is it possible to dig this information out of DT or is the DT not 
> available in SPL for this platform ?

This platform uses only SPL_OF_PLATDATA to keep the SPL size < 40 KiB.

I would prefer to keep this as Kconfig as the PMU driver is not
supporting DT and in fact now ARCH_MX28 only has two boards supported -
XEA and imx28evk.


Best regards,

Lukasz Majewski

--

DENX Software Engineering GmbH,      Managing Director: Erika Unter
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
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  reply	other threads:[~2023-05-09 14:46 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-09 14:32 [PATCH 1/5] arm: mxs: Provide Kconfig option to to not use VDD5V as IMX28 PMU source Lukasz Majewski
2023-05-09 14:32 ` [PATCH 2/5] arm: mxs: Provide Kconfig option to disable battery charging at IMX28 PMU Lukasz Majewski
2023-07-11 19:42   ` sbabic
2023-05-09 14:32 ` [PATCH 3/5] arm: mxs: Provide Kconfig option to not enable 4P2 regulator in " Lukasz Majewski
2023-07-11 19:43   ` sbabic
2023-05-09 14:32 ` [PATCH 4/5] arm: mxs: Add function to dump PMU registers Lukasz Majewski
2023-07-11 19:46   ` sbabic
2023-05-09 14:32 ` [PATCH 5/5] arm: config: Adjust imx287 based XEA board PMU configuration Lukasz Majewski
2023-07-11 19:46   ` sbabic
2023-05-09 14:40 ` [PATCH 1/5] arm: mxs: Provide Kconfig option to to not use VDD5V as IMX28 PMU source Marek Vasut
2023-05-09 14:46   ` Lukasz Majewski [this message]
2023-05-09 14:48     ` Marek Vasut
2023-05-09 15:04       ` Lukasz Majewski
2023-05-09 15:51         ` Marek Vasut
2023-05-19  8:41           ` Lukasz Majewski
2023-05-19 12:43             ` Marek Vasut
2023-05-10 14:28 ` Fabio Estevam
2023-07-11 19:44 ` sbabic

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