linux-kernel - [PATCH v3 25/30] ARM: dts: sun8i: h3: add thermal zone to H3

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Date:   Thu, 30 Aug 2018 17:45:13 +0200
From:   Philipp Rossak <embed3d@...il.com>
To:     lee.jones@...aro.org, robh+dt@...nel.org, mark.rutland@....com,
        maxime.ripard@...tlin.com, wens@...e.org, linux@...linux.org.uk,
        jic23@...nel.org, knaack.h@....de, lars@...afoo.de,
        pmeerw@...erw.net, eugen.hristev@...rochip.com,
        rdunlap@...radead.org, vilhelm.gray@...il.com,
        clabbe.montjoie@...il.com, quentin.schulz@...tlin.com,
        geert+renesas@...der.be, lukas@...ner.de, icenowy@...c.io,
        arnd@...db.de, broonie@...nel.org, arnaud.pouliquen@...com
Cc:     linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-sunxi@...glegroups.com
Subject: [PATCH v3 25/30] ARM: dts: sun8i: h3: add thermal zone to H3

This patch adds the thermal zones to the H3. We have only one sensor and
that is placed in the cpu.

Signed-off-by: Philipp Rossak <embed3d@...il.com>
---
 arch/arm/boot/dts/sun8i-h3.dtsi    | 31 +++++++++++++++++++++++++++++++
 arch/arm/boot/dts/sunxi-h3-h5.dtsi |  1 +
 2 files changed, 32 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-h3.dtsi b/arch/arm/boot/dts/sun8i-h3.dtsi
index 5b7994cb1471..954848d5df50 100644
--- a/arch/arm/boot/dts/sun8i-h3.dtsi
+++ b/arch/arm/boot/dts/sun8i-h3.dtsi
@@ -78,6 +78,8 @@
 			clock-names = "cpu";
 			operating-points-v2 = <&cpu0_opp_table>;
 			#cooling-cells = <2>;
+			cooling-min-level = <0>;
+			cooling-max-level = <15>;
 		};
 
 		cpu@1 {
@@ -102,6 +104,35 @@
 		};
 	};
 
+	thermal-zones {
+		cpu-thermal {
+			/* milliseconds */
+			polling-delay-passive = <250>;
+			polling-delay = <1000>;
+			thermal-sensors = <&ths>;
+
+			trips {
+				cpu_hot_trip: cpu-warm {
+					temperature = <65000>;
+					hysteresis = <2000>;
+					type = "passive";
+				};
+				cpu_very_hot_trip: cpu-very-hot {
+					temperature = <90000>;
+					hysteresis = <2000>;
+					type = "critical";
+				};
+			};
+
+			cooling-maps {
+				cpu-warm-limit {
+					trip = <&cpu_hot_trip>;
+					cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+		};
+	};
+
 	timer {
 		compatible = "arm,armv7-timer";
 		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
diff --git a/arch/arm/boot/dts/sunxi-h3-h5.dtsi b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
index 3520e4ad6042..2c83f4893757 100644
--- a/arch/arm/boot/dts/sunxi-h3-h5.dtsi
+++ b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
@@ -47,6 +47,7 @@
 #include <dt-bindings/reset/sun8i-de2.h>
 #include <dt-bindings/reset/sun8i-h3-ccu.h>
 #include <dt-bindings/reset/sun8i-r-ccu.h>
+#include <dt-bindings/thermal/thermal.h>
 
 / {
 	interrupt-parent = <&gic>;
-- 
2.11.0