pinctrl: renesas: rzg2l: Add suspend/resume support for Schmitt control registers

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[ Upstream commit 837afa592c ]

Renesas RZ/G3E supports a power-saving mode where power to most of the
SoC components is lost, including the PIN controller.  Save and restore
the Schmitt control register contents to ensure the functionality is
preserved after a suspend/resume cycle.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>
Tested-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com> # on RZ/G3S
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/20250819084022.20512-1-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Biju Das 2025-08-19 09:40:20 +01:00 • committed by Greg Kroah-Hartman

parent dc8eab29b1

commit 0e06adcd6c

1 changed files with 11 additions and 1 deletions

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drivers/pinctrl/renesas/pinctrl-rzg2l.c

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