From mboxrd@z Thu Jan 1 00:00:00 1970 From: thierry.reding@gmail.com (Thierry Reding) Date: Wed, 13 Aug 2014 09:37:38 +0200 Subject: [PATCH 2/3] ARM: tegra: Add PMC thermtrip programming to Jetson TK1 device tree In-Reply-To: <1407226380-747-3-git-send-email-mperttunen@nvidia.com> References: <1407226380-747-1-git-send-email-mperttunen@nvidia.com> <1407226380-747-3-git-send-email-mperttunen@nvidia.com> Message-ID: <20140813073736.GB17466@ulmo> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue, Aug 05, 2014 at 11:12:59AM +0300, Mikko Perttunen wrote: > This adds the required information to reset the board during an overheating > situation to the Jetson TK1 device tree. The thermal reset is handled by the > PMC by sending an I2C message to the PMIC. The entries specify the I2C > message to be sent. > > Signed-off-by: Mikko Perttunen > --- > arch/arm/boot/dts/tegra124-jetson-tk1.dts | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/arch/arm/boot/dts/tegra124-jetson-tk1.dts b/arch/arm/boot/dts/tegra124-jetson-tk1.dts > index 624b0fb..ee178c4 100644 > --- a/arch/arm/boot/dts/tegra124-jetson-tk1.dts > +++ b/arch/arm/boot/dts/tegra124-jetson-tk1.dts > @@ -1617,6 +1617,11 @@ > nvidia,core-pwr-off-time = <61036>; > nvidia,core-power-req-active-high; > nvidia,sys-clock-req-active-high; > + > + nvidia,thermtrip-pmu-i2c-addr = <0x40>; > + nvidia,thermtrip-i2c-controller = <4>; > + nvidia,thermtrip-reg-addr = <0x36>; > + nvidia,thermtrip-reg-data = <0x2>; Given the number of properties that this can potentially have, I wonder if perhaps it would be a good idea to put this into a subnode, like this: thermtrip { pmu-i2c-addr = <0x40>; i2c-controller = <4>; ... }; Thierry -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 819 bytes Desc: not available URL: