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