2020-03-16 01:34:38

by Anson Huang

[permalink] [raw]
Subject: [PATCH V2 2/2] arm64: dts: imx8qxp-mek: Add PMIC thermal zone support

i.MX8QXP MEK board has PMIC thermal sensor, add support for it.

Signed-off-by: Anson Huang <[email protected]>
---
No change.
---
arch/arm64/boot/dts/freescale/imx8qxp-mek.dts | 33 +++++++++++++++++++++++++++
1 file changed, 33 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts b/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts
index b1befdb..ff5695b 100644
--- a/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts
+++ b/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts
@@ -154,6 +154,39 @@
status = "okay";
};

+&thermal_zones {
+ pmic-thermal0 {
+ polling-delay-passive = <250>;
+ polling-delay = <2000>;
+ thermal-sensors = <&tsens IMX_SC_R_PMIC_0>;
+
+ trips {
+ pmic_alert0: trip0 {
+ temperature = <110000>;
+ hysteresis = <2000>;
+ type = "passive";
+ };
+
+ pmic_crit0: trip1 {
+ temperature = <125000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ map0 {
+ trip = <&pmic_alert0>;
+ cooling-device =
+ <&A35_0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&A35_1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&A35_2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&A35_3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
+ };
+};
+
&usdhc1 {
assigned-clocks = <&clk IMX_CONN_SDHC0_CLK>;
assigned-clock-rates = <200000000>;
--
2.7.4