From mboxrd@z Thu Jan 1 00:00:00 1970 From: dongas86@gmail.com (Dong Aisheng) Date: Thu, 25 Jan 2018 23:32:30 +0800 Subject: [PATCH 1/2] ARM: dts: imx7s: add temperature monitor support In-Reply-To: <1516605949-14663-1-git-send-email-Anson.Huang@nxp.com> References: <1516605949-14663-1-git-send-email-Anson.Huang@nxp.com> Message-ID: <20180125153230.GD24622@b29396-OptiPlex-7040> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Mon, Jan 22, 2018 at 03:25:48PM +0800, Anson Huang wrote: > Add i.MX7 temperature monitor support. > > Signed-off-by: Anson Huang > --- > .../devicetree/bindings/thermal/imx-thermal.txt | 5 +++-- > arch/arm/boot/dts/imx7s.dtsi | 20 ++++++++++++++++++++ > 2 files changed, 23 insertions(+), 2 deletions(-) > Acked-by: Dong Aisheng Regards Dong Aisheng > diff --git a/Documentation/devicetree/bindings/thermal/imx-thermal.txt b/Documentation/devicetree/bindings/thermal/imx-thermal.txt > index 28be51a..9575d45 100644 > --- a/Documentation/devicetree/bindings/thermal/imx-thermal.txt > +++ b/Documentation/devicetree/bindings/thermal/imx-thermal.txt > @@ -1,8 +1,9 @@ > * Temperature Monitor (TEMPMON) on Freescale i.MX SoCs > > Required properties: > -- compatible : "fsl,imx6q-tempmon" for i.MX6Q, "fsl,imx6sx-tempmon" for i.MX6SX. > - i.MX6SX has two more IRQs than i.MX6Q, one is IRQ_LOW and the other is IRQ_PANIC, > +- compatible : "fsl,imx6q-tempmon" for i.MX6Q, "fsl,imx6sx-tempmon" for i.MX6SX, > + "fsl,imx7-tempmon" for i.MX7S/D. > + i.MX6SX and i.MX7S/D have two more IRQs than i.MX6Q, one is IRQ_LOW and the other is IRQ_PANIC, > when temperature is below than low threshold, IRQ_LOW will be triggered, when temperature > is higher than panic threshold, system will auto reboot by SRC module. > - fsl,tempmon : phandle pointer to system controller that contains TEMPMON > diff --git a/arch/arm/boot/dts/imx7s.dtsi b/arch/arm/boot/dts/imx7s.dtsi > index 82ad26e..2e2eda53 100644 > --- a/arch/arm/boot/dts/imx7s.dtsi > +++ b/arch/arm/boot/dts/imx7s.dtsi > @@ -497,9 +497,29 @@ > }; > > ocotp: ocotp-ctrl at 30350000 { > + #address-cells = <1>; > + #size-cells = <1>; > compatible = "fsl,imx7d-ocotp", "syscon"; > reg = <0x30350000 0x10000>; > clocks = <&clks IMX7D_OCOTP_CLK>; > + > + tempmon_calib: calib at 3c { > + reg = <0x3c 0x4>; > + }; > + > + tempmon_temp_grade: temp-grade at 10 { > + reg = <0x10 0x4>; > + }; > + }; > + > + tempmon: tempmon { > + compatible = "fsl,imx7-tempmon"; > + interrupts = ; > + fsl,tempmon =<&anatop>; > + nvmem-cells = <&tempmon_calib>, > + <&tempmon_temp_grade>; > + nvmem-cell-names = "calib", "temp_grade"; > + clocks = <&clks IMX7D_PLL_SYS_MAIN_CLK>; > }; > > anatop: anatop at 30360000 { > -- > 2.7.4 >