Files
operating-system/buildroot-external/board/hardkernel/patches/linux/5.10.53/0006-arm64-dts-meson-g12b-odroid-n2-add-fan-as-cooling-de.patch
Stefan Agner 2069ccf24f Update to Linux 5.10.53 (#1475)
* Linux: Update kernel 5.10.53

Move back to the LTS kernel 5.10.

[backport for rel-6]

* Remove ODROID-N2 specific kernel update script
2021-07-28 16:05:03 +02:00

89 lines
3.6 KiB
Diff

<<<<<<< HEAD:buildroot-external/board/hardkernel/patches/linux/5.9.16/0009-arm64-dts-meson-g12b-odroid-n2-add-fan-as-cooling-de.patch
From 4d9f93dbdc93e83ba8ddf01893b3c29cd11a87f9 Mon Sep 17 00:00:00 2001
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From: Stefan Agner <stefan@agner.ch>
Date: Mon, 11 Jan 2021 15:53:55 +0100
Subject: [PATCH 09/11] arm64: dts: meson: g12b: odroid-n2: add fan as cooling
=======
From f1120f132dbdf2e7f7acf328de55bbdce877d882 Mon Sep 17 00:00:00 2001
Message-Id: <f1120f132dbdf2e7f7acf328de55bbdce877d882.1627311993.git.stefan@agner.ch>
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References: <c7825747afd8bb975dc918f28e4afe8058a518f3.1627311993.git.stefan@agner.ch>
From: Stefan Agner <stefan@agner.ch>
Date: Mon, 11 Jan 2021 15:53:55 +0100
Subject: [PATCH 6/9] arm64: dts: meson: g12b: odroid-n2: add fan as cooling
>>>>>>> be3afe8b (Update to Linux 5.10.53 (#1475)):buildroot-external/board/hardkernel/patches/linux/5.10.53/0006-arm64-dts-meson-g12b-odroid-n2-add-fan-as-cooling-de.patch
device
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Add the GPIO fan as a cooling device for the CPU thermal zone. Since we
have only full fan speed available with this, set the tripping point to
65°C which is the highest tripping point which Hardkernel used in their
downstream kernel.
Signed-off-by: Stefan Agner <stefan@agner.ch>
---
.../dts/amlogic/meson-g12b-odroid-n2.dtsi | 38 +++++++++++++++++++
1 file changed, 38 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
<<<<<<< HEAD:buildroot-external/board/hardkernel/patches/linux/5.9.16/0009-arm64-dts-meson-g12b-odroid-n2-add-fan-as-cooling-de.patch
index 8ad7c3ee1aa3..c4052293ea0d 100644
=======
index e8a3ede698b5..dd345c6aa4b5 100644
>>>>>>> be3afe8b (Update to Linux 5.10.53 (#1475)):buildroot-external/board/hardkernel/patches/linux/5.10.53/0006-arm64-dts-meson-g12b-odroid-n2-add-fan-as-cooling-de.patch
--- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
@@ -388,6 +388,44 @@ &clkc_audio {
status = "okay";
};
+&cpu_thermal {
+ trips {
+ cpu_warm: cpu_warm {
+ hysteresis = <5000>;
+ temperature = <65000>;
+ type = "active";
+ };
+ };
+
+ cooling-maps {
+ map0 {
+ cooling-device =
+ <&fan0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ trip = <&cpu_warm>;
+ };
+ map1 {
+ trip = <&cpu_passive>;
+ cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu100 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu101 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu102 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu103 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&fan0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ map2 {
+ trip = <&cpu_hot>;
+ cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu100 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu101 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu102 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&cpu103 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+ <&fan0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+ };
+ };
+};
+
&cpu0 {
cpu-supply = <&vddcpu_b>;
operating-points-v2 = <&cpu_opp_table_0>;
--
2.31.1