This board, as well as some other boards with i.MX6 and a PMIC, uses a "MPIC_STBY_REQ" line to notify the PMIC about a state change. The PMIC is programmed for a specific state change before triggering the line. In this case, PMIC_STBY_REQ can be used for Stand by, Sleep and Power off modes.
Signed-off-by: Oleksij Rempel <o.rem...@pengutronix.de> Cc: ker...@pengutronix.de Cc: linux-arm-ker...@lists.infradead.org Cc: Shawn Guo <shawn...@kernel.org> Cc: Fabio Estevam <fabio.este...@nxp.com> Cc: Rob Herring <robh...@kernel.org> Cc: Mark Rutland <mark.rutl...@arm.com> Cc: Russell King <li...@armlinux.org.uk> Cc: devicet...@vger.kernel.org Cc: linux-kernel@vger.kernel.org --- arch/arm/boot/dts/imx6dl-riotboard.dts | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm/boot/dts/imx6dl-riotboard.dts b/arch/arm/boot/dts/imx6dl-riotboard.dts index 2cb72824e800..b5f25fe7b809 100644 --- a/arch/arm/boot/dts/imx6dl-riotboard.dts +++ b/arch/arm/boot/dts/imx6dl-riotboard.dts @@ -90,6 +90,10 @@ status = "okay"; }; +&clks { + fsl,pmic_stby_poweroff; +}; + &fec { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_enet>; @@ -125,6 +129,7 @@ reg = <0x08>; interrupt-parent = <&gpio5>; interrupts = <16 8>; + fsl,pmic_stby_poweroff; regulators { reg_vddcore: sw1ab { /* VDDARM_IN */ -- 2.11.0