b167421e55
Add the latest linux available from https://github.com/armbian/build commit de58ac1faac92724c6449db12c22affaeb003875, tag: sunxi-5.3, alongside all the patches that it comes with. Signed-off-by: Vicentiu Galanopulo <vicentiu@balena.io>
86 lines
2.5 KiB
Diff
86 lines
2.5 KiB
Diff
From 6914945e888f1206df560ff36375e7257ce38970 Mon Sep 17 00:00:00 2001
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From: Ondrej Jirman <megous@megous.com>
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Date: Mon, 14 May 2018 01:16:06 +0200
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Subject: [PATCH 14/82] ARM: dts: sunxi-h3-h5: Add thermal zone trip points
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This enables passive cooling by downregulating CPU voltage/frequency.
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Signed-off-by: Ondrej Jirman <megous@megous.com>
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---
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arch/arm/boot/dts/sun8i-h3.dtsi | 4 +++-
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arch/arm/boot/dts/sunxi-h3-h5.dtsi | 21 ++++++++++++++++++++
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arch/arm64/boot/dts/allwinner/sun50i-h5.dtsi | 3 +++
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3 files changed, 27 insertions(+), 1 deletion(-)
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diff --git a/arch/arm/boot/dts/sun8i-h3.dtsi b/arch/arm/boot/dts/sun8i-h3.dtsi
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index 261ca0356358..af76a6d250b3 100644
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--- a/arch/arm/boot/dts/sun8i-h3.dtsi
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+++ b/arch/arm/boot/dts/sun8i-h3.dtsi
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@@ -54,8 +54,10 @@
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clocks = <&ccu CLK_CPUX>;
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clock-names = "cpu";
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operating-points-v2 = <&cpu0_opp_table>;
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- #cooling-cells = <2>;
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clock-frequency = <1200000000>;
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+ #cooling-cells = <2>;
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+ cooling-min-level = <0>;
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+ cooling-max-level = <15>;
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};
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cpu@1 {
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diff --git a/arch/arm/boot/dts/sunxi-h3-h5.dtsi b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
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index f47c22b622f9..3b8b2234ab4d 100644
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--- a/arch/arm/boot/dts/sunxi-h3-h5.dtsi
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+++ b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
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@@ -47,6 +47,7 @@
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#include <dt-bindings/reset/sun8i-de2.h>
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#include <dt-bindings/reset/sun8i-h3-ccu.h>
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#include <dt-bindings/reset/sun8i-r-ccu.h>
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+#include <dt-bindings/thermal/thermal.h>
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/ {
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interrupt-parent = <&gic>;
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@@ -975,6 +976,26 @@
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polling-delay-passive = <330>;
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polling-delay = <1000>;
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thermal-sensors = <&ths 0>;
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+
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+ trips {
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+ cpu_hot_trip: cpu-warm {
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+ temperature = <65000>;
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+ hysteresis = <2000>;
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+ type = "passive";
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+ };
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+ cpu_very_hot_trip: cpu-very-hot {
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+ temperature = <90000>;
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+ hysteresis = <2000>;
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+ type = "critical";
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+ };
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+ };
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+
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+ cooling-maps {
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+ cpu-warm-limit {
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+ trip = <&cpu_hot_trip>;
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+ cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
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+ };
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+ };
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};
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};
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};
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diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h5.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h5.dtsi
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index 4452ab873dec..60fc84a1fb44 100644
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--- a/arch/arm64/boot/dts/allwinner/sun50i-h5.dtsi
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+++ b/arch/arm64/boot/dts/allwinner/sun50i-h5.dtsi
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@@ -53,6 +53,9 @@
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reg = <0>;
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enable-method = "psci";
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clock-frequency = <1200000000>;
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+ #cooling-cells = <2>;
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+ cooling-min-level = <0>;
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+ cooling-max-level = <15>;
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};
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cpu@1 {
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--
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2.20.1
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