[PATCH v2] i2c: imx-lpi2c: Add runtime PM support for IRQ and clock management on i.MX8QXP/8QM
Andi Shyti
andi.shyti at kernel.org
Sun Jan 18 15:58:04 PST 2026
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 at nxp.com>
merged to i2c/i2c-host.
Thanks,
Andi
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