On 27.07.2018 11:33, Robin Gong wrote: > > >> -----Original Message----- >> From: Oleksij Rempel [mailto:o.rempel@xxxxxxxxxxxxxx] >> Sent: 2018年7月26日 17:22 >> To: Shawn Guo <shawnguo@xxxxxxxxxx>; Mark Brown <broonie@xxxxxxxxxx>; >> Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx> >> Cc: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>; kernel@xxxxxxxxxxxxxx; >> devicetree@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; >> linux-clk@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; Andrew Morton >> <akpm@xxxxxxxxxxxxxxxxxxxx>; Liam Girdwood <lgirdwood@xxxxxxxxx>; >> Leonard Crestez <leonard.crestez@xxxxxxx>; Rob Herring >> <robh+dt@xxxxxxxxxx>; Mark Rutland <mark.rutland@xxxxxxx>; Michael >> Turquette <mturquette@xxxxxxxxxxxx>; Stephen Boyd >> <sboyd@xxxxxxxxxxxxxx>; Fabio Estevam <fabio.estevam@xxxxxxx>; Russell >> King <linux@xxxxxxxxxxxxxxx>; dl-linux-imx <linux-imx@xxxxxxx>; Robin Gong >> <yibin.gong@xxxxxxx>; A.s. Dong <aisheng.dong@xxxxxxx> >> Subject: [PATCH v8 6/6] ARM: dts: imx6: RIoTboard provide standby on power >> off option >> >> This board, as well as some other boards with i.MX6 and a PMIC, uses a >> "PMIC_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.rempel@xxxxxxxxxxxxxx> >> --- >> 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 2e98c92adff7..a0e9753ee767 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; >> +}; > It's better remove the default "syscon-poweroff" power off node. "syscon-poweroff" is by default disabled and not enabled in arch/arm/boot/dts/imx6dl-riotboard.dts
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