From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anson.Huang@nxp.com (Anson Huang) Date: Fri, 26 Jan 2018 16:09:39 +0800 Subject: [PATCH V2 1/2] ARM: dts: imx7s: add temperature monitor support Message-ID: <1516954180-26029-1-git-send-email-Anson.Huang@nxp.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Add i.MX7 temperature monitor support. Signed-off-by: Anson Huang Acked-by: Dong Aisheng --- no changes since V1. .../devicetree/bindings/thermal/imx-thermal.txt | 5 +++-- arch/arm/boot/dts/imx7s.dtsi | 20 ++++++++++++++++++++ 2 files changed, 23 insertions(+), 2 deletions(-) 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