From: Andi Shyti <andi.shyti@kernel.org>
To: Carlos Song <carlos.song@nxp.com>
Cc: frank.li@nxp.com, aisheng.dong@nxp.com, shawnguo@kernel.org,
s.hauer@pengutronix.de, kernel@pengutronix.de,
festevam@gmail.com, linux-i2c@vger.kernel.org,
imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] i2c: imx-lpi2c: Add runtime PM support for IRQ and clock management on i.MX8QXP/8QM
Date: Mon, 19 Jan 2026 00:58:04 +0100 [thread overview]
Message-ID: <aW1zaXZsC_8KaM3N@zenone.zhora.eu> (raw)
In-Reply-To: <20251125084718.2156168-1-carlos.song@nxp.com>
Hi Carlos,
On Tue, Nov 25, 2025 at 04:47:18PM +0800, Carlos Song wrote:
> On i.MX8QXP/8QM SoCs, both the lvds/mipi and lvds/mipi-lpi2c power domains
> must enter low-power mode during runtime suspend to achieve deep power
> savings.
>
...
> - Free its IRQ during runtime suspend and re-request it on resume.
> - Disable and unprepare all clocks during runtime suspend and prepare
> and rne ble them on resume.
>
> This enables the lvds/mipi domains to enter deep low-power mode,
> significantly reducing power consumption compared to active mode.
>
> Signed-off-by: Carlos Song <carlos.song@nxp.com>
merged to i2c/i2c-host.
Thanks,
Andi
prev parent reply other threads:[~2026-01-18 23:58 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-25 8:47 [PATCH v2] i2c: imx-lpi2c: Add runtime PM support for IRQ and clock management on i.MX8QXP/8QM Carlos Song
2025-11-25 16:31 ` Frank Li
2026-01-18 23:58 ` Andi Shyti [this message]
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