Re: [PATCH 1/4] arm64: dts: imx8mm-venice-gw700x: override thermal cfg for industrial temp
From: Frieder Schrempf <hidden>
Date: 2021-06-02 07:11:05
Also in:
linux-arm-kernel
On 01.06.21 19:49, Tim Harvey wrote:
quoted hunk ↗ jump to hunk
Override the default temperature alert/crit for Industrial temp IMX8M Mini. Signed-off-by: Tim Harvey <tharvey@gateworks.com> --- .../boot/dts/freescale/imx8mm-venice-gw700x.dtsi | 12 ++++++++++++ 1 file changed, 12 insertions(+)diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw700x.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw700x.dtsi index c769fadbd008..512b76cd7c3b 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw700x.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw700x.dtsi@@ -493,3 +493,15 @@ >; }; }; + +&cpu_alert0 { + temperature = <95000>; + hysteresis = <2000>; + type = "passive"; +}; + +&cpu_crit0 { + temperature = <105000>; + hysteresis = <2000>; + type = "critical"; +};
As this is not really board-specific, I think the proper way to handle this for all boards is to let the thermal driver read the temperature grading from the OTP fuses and set the trip-points accordingly, similar to what is done on i.MX6 [1]. [1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/thermal/imx_thermal.c?h=v5.13-rc4#n508