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Message-Id: <20200117123448.13807-1-m.szyprowski@samsung.com>
Date: Fri, 17 Jan 2020 13:34:46 +0100
From: Marek Szyprowski <m.szyprowski@...sung.com>
To: linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Marek Szyprowski <m.szyprowski@...sung.com>,
Krzysztof Kozlowski <krzk@...nel.org>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
Chanwoo Choi <cw00.choi@...sung.com>
Subject: [PATCH 1/3] ARM: dts: exynos: Add GPU thermal zone cooling maps for
Odroid XU3/XU4/HC1
Add trip points and cooling maps for GPU thermal zone for Odroid
XU3/XU4/HC1 boards. Trip points are based on the CPU thermal zone for the
those boards.
Signed-off-by: Marek Szyprowski <m.szyprowski@...sung.com>
---
arch/arm/boot/dts/exynos5422-odroidhc1.dts | 32 ++++++++++
.../boot/dts/exynos5422-odroidxu3-common.dtsi | 59 +++++++++++++++++++
2 files changed, 91 insertions(+)
diff --git a/arch/arm/boot/dts/exynos5422-odroidhc1.dts b/arch/arm/boot/dts/exynos5422-odroidhc1.dts
index f163206265bb..8f38ef5bff55 100644
--- a/arch/arm/boot/dts/exynos5422-odroidhc1.dts
+++ b/arch/arm/boot/dts/exynos5422-odroidhc1.dts
@@ -215,6 +215,38 @@
};
};
};
+ gpu_thermal: gpu-thermal {
+ thermal-sensors = <&tmu_gpu 0>;
+ polling-delay-passive = <250>;
+ polling-delay = <0>;
+ trips {
+ gpu_alert0: gpu-alert-0 {
+ temperature = <70000>;
+ hysteresis = <10000>;
+ type = "active";
+ };
+ gpu_alert1: gpu-alert-1 {
+ temperature = <85000>;
+ hysteresis = <10000>;
+ type = "active";
+ };
+ gpu_crit0: gpu-crit-0 {
+ temperature = <120000>;
+ hysteresis = <0>;
+ type = "critical";
+ };
+ };
+ cooling-maps {
+ map0 {
+ trip = <&gpu_alert0>;
+ cooling-device = <&gpu 0 2>;
+ };
+ map1 {
+ trip = <&gpu_alert1>;
+ cooling-device = <&gpu 3 6>;
+ };
+ };
+ };
};
};
diff --git a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
index 1865a708b49f..5da2d81e3be2 100644
--- a/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
+++ b/arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi
@@ -357,6 +357,65 @@
};
};
};
+ gpu_thermal: gpu-thermal {
+ thermal-sensors = <&tmu_gpu 0>;
+ polling-delay-passive = <250>;
+ polling-delay = <0>;
+ trips {
+ gpu_alert0: gpu-alert-0 {
+ temperature = <50000>;
+ hysteresis = <5000>;
+ type = "active";
+ };
+ gpu_alert1: gpu-alert-1 {
+ temperature = <60000>;
+ hysteresis = <5000>;
+ type = "active";
+ };
+ gpu_alert2: gpu-alert-2 {
+ temperature = <70000>;
+ hysteresis = <5000>;
+ type = "active";
+ };
+ gpu_crit0: gpu-crit-0 {
+ temperature = <120000>;
+ hysteresis = <0>;
+ type = "critical";
+ };
+ gpu_alert3: gpu-alert-3 {
+ temperature = <70000>;
+ hysteresis = <10000>;
+ type = "passive";
+ };
+ gpu_alert4: gpu-alert-4 {
+ temperature = <85000>;
+ hysteresis = <10000>;
+ type = "passive";
+ };
+ };
+ cooling-maps {
+ map0 {
+ trip = <&gpu_alert0>;
+ cooling-device = <&fan0 0 1>;
+ };
+ map1 {
+ trip = <&gpu_alert1>;
+ cooling-device = <&fan0 1 2>;
+ };
+ map2 {
+ trip = <&gpu_alert2>;
+ cooling-device = <&fan0 2 3>;
+ };
+ map3 {
+ trip = <&gpu_alert3>;
+ cooling-device = <&gpu 0 2>;
+ };
+ map4 {
+ trip = <&gpu_alert4>;
+ cooling-device = <&gpu 3 6>;
+ };
+ };
+ };
};
};
--
2.17.1
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