Messages in this thread | | | From | Robin Gong <> | Subject | RE: [PATCH v8 1/6] ARM: imx6q: provide documentation for new fsl,pmic-stby-poweroff property | Date | Thu, 26 Jul 2018 09:51:13 +0000 |
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> -----Original Message----- > From: Oleksij Rempel [mailto:o.rempel@pengutronix.de] > Sent: 2018年7月26日 17:22 > To: Shawn Guo <shawnguo@kernel.org>; Mark Brown <broonie@kernel.org>; > Rafael J. Wysocki <rafael.j.wysocki@intel.com> > Cc: Oleksij Rempel <o.rempel@pengutronix.de>; kernel@pengutronix.de; > devicetree@vger.kernel.org; linux-arm-kernel@lists.infradead.org; > linux-clk@vger.kernel.org; linux-kernel@vger.kernel.org; Andrew Morton > <akpm@linux-foundation.org>; Liam Girdwood <lgirdwood@gmail.com>; > Leonard Crestez <leonard.crestez@nxp.com>; Rob Herring > <robh+dt@kernel.org>; Mark Rutland <mark.rutland@arm.com>; Michael > Turquette <mturquette@baylibre.com>; Stephen Boyd > <sboyd@codeaurora.org>; Fabio Estevam <fabio.estevam@nxp.com>; Russell > King <linux@armlinux.org.uk>; dl-linux-imx <linux-imx@nxp.com>; Robin Gong > <yibin.gong@nxp.com>; A.s. Dong <aisheng.dong@nxp.com> > Subject: [PATCH v8 1/6] ARM: imx6q: provide documentation for new > fsl,pmic-stby-poweroff property > > Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> > Acked-by: Rob Herring <robh@kernel.org> > --- > Documentation/devicetree/bindings/clock/imx6q-clock.txt | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/Documentation/devicetree/bindings/clock/imx6q-clock.txt > b/Documentation/devicetree/bindings/clock/imx6q-clock.txt > index a45ca67a9d5f..e1308346e00d 100644 > --- a/Documentation/devicetree/bindings/clock/imx6q-clock.txt > +++ b/Documentation/devicetree/bindings/clock/imx6q-clock.txt > @@ -6,6 +6,14 @@ Required properties: > - interrupts: Should contain CCM interrupt > - #clock-cells: Should be <1> > > +Optional properties: > +- fsl,pmic-stby-poweroff: Configure CCM to assert PMIC_STBY_REQ signal > + on power off. > + Use this property if the SoC should be powered off by external power > + management IC (PMIC) triggered via PMIC_STBY_REQ signal. PMIC_ON_REQ didn't connect to any pin of PMIC in your case? Don't understand why not follow normal board design guide to power off pmic by PMIC_ON_REQ. How to power on board again then? > + Boards that are designed to initiate poweroff on PMIC_ON_REQ signal > +should > + be using "syscon-poweroff" driver instead. > + > The clock consumer should specify the desired clock by having the clock ID in > its "clocks" phandle cell. See include/dt-bindings/clock/imx6qdl-clock.h > for the full list of i.MX6 Quad and DualLite clock IDs. > -- > 2.18.0
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