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realtek: add thermal zones for SFP sensors on SKS8300-8X

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Create thermal zones for SFP internal sensors, enabling shutdown
on critical temperatures.

Signed-off-by: Bjørn Mork <bjorn@mork.no>
Link: https://github.com/openwrt/openwrt/pull/17967
Signed-off-by: Sander Vanheule <sander@svanheule.net>
This commit is contained in:
Bjørn Mork 2025-02-14 10:59:36 +01:00 committed by Sander Vanheule
parent f29b57dc68
commit be181cb3b3
1 changed files with 23 additions and 0 deletions
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23
target/linux/realtek/dts/rtl9303_xikestor_sks8300-8x.dts
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@ -132,6 +132,7 @@
mod-def0-gpio = <&gpio1 1 GPIO_ACTIVE_LOW>; mod-def0-gpio = <&gpio1 1 GPIO_ACTIVE_LOW>;
tx-disable-gpio = <&gpio1 2 GPIO_ACTIVE_HIGH>; tx-disable-gpio = <&gpio1 2 GPIO_ACTIVE_HIGH>;
maximum-power-milliwatt = <2900>; maximum-power-milliwatt = <2900>;
#thermal-sensor-cells = <0>;
}; };
sfp1: sfp-p2 { sfp1: sfp-p2 {
@ -141,6 +142,7 @@
mod-def0-gpio = <&gpio1 4 GPIO_ACTIVE_LOW>; mod-def0-gpio = <&gpio1 4 GPIO_ACTIVE_LOW>;
tx-disable-gpio = <&gpio1 5 GPIO_ACTIVE_HIGH>; tx-disable-gpio = <&gpio1 5 GPIO_ACTIVE_HIGH>;
maximum-power-milliwatt = <1500>; maximum-power-milliwatt = <1500>;
#thermal-sensor-cells = <0>;
}; };
sfp2: sfp-p3 { sfp2: sfp-p3 {
@ -150,6 +152,7 @@
mod-def0-gpio = <&gpio1 7 GPIO_ACTIVE_LOW>; mod-def0-gpio = <&gpio1 7 GPIO_ACTIVE_LOW>;
tx-disable-gpio = <&gpio1 8 GPIO_ACTIVE_HIGH>; tx-disable-gpio = <&gpio1 8 GPIO_ACTIVE_HIGH>;
maximum-power-milliwatt = <1500>; maximum-power-milliwatt = <1500>;
#thermal-sensor-cells = <0>;
}; };
sfp3: sfp-p4 { sfp3: sfp-p4 {
@ -159,6 +162,7 @@
mod-def0-gpio = <&gpio1 10 GPIO_ACTIVE_LOW>; mod-def0-gpio = <&gpio1 10 GPIO_ACTIVE_LOW>;
tx-disable-gpio = <&gpio1 11 GPIO_ACTIVE_HIGH>; tx-disable-gpio = <&gpio1 11 GPIO_ACTIVE_HIGH>;
maximum-power-milliwatt = <2000>; maximum-power-milliwatt = <2000>;
#thermal-sensor-cells = <0>;
}; };
sfp4: sfp-p5 { sfp4: sfp-p5 {
@ -168,6 +172,7 @@
mod-def0-gpio = <&gpio1 13 GPIO_ACTIVE_LOW>; mod-def0-gpio = <&gpio1 13 GPIO_ACTIVE_LOW>;
tx-disable-gpio = <&gpio1 14 GPIO_ACTIVE_HIGH>; tx-disable-gpio = <&gpio1 14 GPIO_ACTIVE_HIGH>;
maximum-power-milliwatt = <2000>; maximum-power-milliwatt = <2000>;
#thermal-sensor-cells = <0>;
}; };
sfp5: sfp-p6 { sfp5: sfp-p6 {
@ -177,6 +182,7 @@
mod-def0-gpio = <&gpio1 22 GPIO_ACTIVE_LOW>; mod-def0-gpio = <&gpio1 22 GPIO_ACTIVE_LOW>;
tx-disable-gpio = <&gpio1 23 GPIO_ACTIVE_HIGH>; tx-disable-gpio = <&gpio1 23 GPIO_ACTIVE_HIGH>;
maximum-power-milliwatt = <1500>; maximum-power-milliwatt = <1500>;
#thermal-sensor-cells = <0>;
}; };
sfp6: sfp-p7 { sfp6: sfp-p7 {
@ -186,6 +192,7 @@
mod-def0-gpio = <&gpio1 25 GPIO_ACTIVE_LOW>; mod-def0-gpio = <&gpio1 25 GPIO_ACTIVE_LOW>;
tx-disable-gpio = <&gpio1 26 GPIO_ACTIVE_HIGH>; tx-disable-gpio = <&gpio1 26 GPIO_ACTIVE_HIGH>;
maximum-power-milliwatt = <1500>; maximum-power-milliwatt = <1500>;
#thermal-sensor-cells = <0>;
}; };
sfp7: sfp-p8 { sfp7: sfp-p8 {
@ -195,6 +202,7 @@
mod-def0-gpio = <&gpio1 28 GPIO_ACTIVE_LOW>; mod-def0-gpio = <&gpio1 28 GPIO_ACTIVE_LOW>;
tx-disable-gpio = <&gpio1 29 GPIO_ACTIVE_HIGH>; tx-disable-gpio = <&gpio1 29 GPIO_ACTIVE_HIGH>;
maximum-power-milliwatt = <2900>; maximum-power-milliwatt = <2900>;
#thermal-sensor-cells = <0>;
}; };
}; };
@ -432,3 +440,18 @@
}; };
}; };
}; };
&thermal_zones {
sfp-thermal {
polling-delay-passive = <10000>;
polling-delay = <10000>;
thermal-sensors = <&sfp0>, <&sfp1>, <&sfp2>, <&sfp3>, <&sfp4>, <&sfp5>, <&sfp6>, <&sfp7>;
trips {
sfp-crit {
temperature = <110000>;
hysteresis = <1000>;
type = "critical";
};
};
};
};