Re: [PATCH 1/2] ARM: dts: imx7s: add temperature monitor support
From: Dong Aisheng <hidden>
Date: 2018-01-25 15:32:45
Also in:
linux-arm-kernel, linux-pm, lkml
On Mon, Jan 22, 2018 at 03:25:48PM +0800, Anson Huang wrote:
Add i.MX7 temperature monitor support. Signed-off-by: Anson Huang <redacted> --- .../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 <aisheng.dong@nxp.com> Regards Dong Aisheng
quoted hunk ↗ jump to hunk
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 TEMPMONdiff --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@30350000 { + #address-cells = <1>; + #size-cells = <1>; compatible = "fsl,imx7d-ocotp", "syscon"; reg = <0x30350000 0x10000>; clocks = <&clks IMX7D_OCOTP_CLK>; + + tempmon_calib: calib@3c { + reg = <0x3c 0x4>; + }; + + tempmon_temp_grade: temp-grade@10 { + reg = <0x10 0x4>; + }; + }; + + tempmon: tempmon { + compatible = "fsl,imx7-tempmon"; + interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>; + 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@30360000 {-- 2.7.4