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SubjectRe: [PATCH V2 1/2] ARM: dts: imx7s: add temperature monitor support
On Fri, Jan 26, 2018 at 04:09:39PM +0800, Anson Huang wrote:
> Add i.MX7 temperature monitor support.
>
> Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
> Acked-by: Dong Aisheng <aisheng.dong@nxp.com>
> ---
> 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.

Please format as one valid compatible combination per line.

> + i.MX6SX and i.MX7S/D have two more IRQs than i.MX6Q, one is IRQ_LOW and the other is IRQ_PANIC,

This belongs with the interrupt property.

> 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@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
>
> --
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