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From: Russell King <rmk+kernel@armlinux.org.uk>
To: Andrew Lunn <andrew@lunn.ch>,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	devicetree@vger.kernel.org,
	Gregory Clement <gregory.clement@bootlin.com>,
	Jason Cooper <jason@lakedaemon.net>,
	Linus Walleij <linus.walleij@linaro.org>,
	linux-arm-kernel@lists.infradead.org, linux-gpio@vger.kernel.org,
	linux-pwm@vger.kernel.org, Mark Rutland <mark.rutland@arm.com>,
	Rob Herring <robh+dt@kernel.org>,
	Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
	Thierry Reding <thierry.reding@gmail.com>,
	"Uwe Kleine-Konig" <u.kleine-koenig@pengutronix.de>
Subject: [PATCH RFC 6/6] arm64: dts: clearfog-gt-8k: add cooling maps
Date: Sun, 29 Mar 2020 11:48:30 +0100	[thread overview]
Message-ID: <E1jIVUU-0005hk-AO@rmk-PC.armlinux.org.uk> (raw)
In-Reply-To: <20200329104549.GX25745@shell.armlinux.org.uk>

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
---
 .../marvell/armada-8040-clearfog-gt-8k.dts    | 122 +++++++++++++++++-
 1 file changed, 121 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/marvell/armada-8040-clearfog-gt-8k.dts b/arch/arm64/boot/dts/marvell/armada-8040-clearfog-gt-8k.dts
index a514ae51ccbf..1e7b47affe26 100644
--- a/arch/arm64/boot/dts/marvell/armada-8040-clearfog-gt-8k.dts
+++ b/arch/arm64/boot/dts/marvell/armada-8040-clearfog-gt-8k.dts
@@ -31,8 +31,11 @@
 		ethernet2 = &cp1_eth2;
 	};
 
-	pwm {
+	fan: pwm {
 		compatible = "pwm-fan";
+		/* 20% steps */
+		cooling-levels = <0 51 102 153 204 255>;
+		#cooling-cells = <2>;
 		pwms = <&cp0_gpio2 16 40000>;
 	};
 
@@ -107,6 +110,123 @@
 	};
 };
 
+&ap_thermal_ic {
+	polling-delay = <1000>; /* milliseconds */
+	trips {
+		ap_active: trip-active {
+			temperature = <40000>; /* millicelsius */
+			hysteresis = <4000>; /* millicelsius */
+			type = "active";
+		};
+	};
+	cooling-maps {
+		map0 {
+			trip = <&ap_active>;
+			cooling-device = <&fan THERMAL_NO_LIMIT 4>;
+		};
+		map1 {
+			trip = <&ap_crit>;
+			cooling-device = <&fan 4 5>;
+		};
+	};
+};
+
+&cp0_thermal_ic {
+	polling-delay = <1000>; /* milliseconds */
+	trips {
+		cp0_active0: trip-active0 {
+			temperature = <40000>; /* millicelsius */
+			hysteresis = <2500>; /* millicelsius */
+			type = "active";
+		};
+		cp0_active1: trip-active1 {
+			temperature = <45000>; /* millicelsius */
+			hysteresis = <2500>; /* millicelsius */
+			type = "active";
+		};
+		cp0_active2: trip-active2 {
+			temperature = <50000>; /* millicelsius */
+			hysteresis = <2500>; /* millicelsius */
+			type = "active";
+		};
+		cp0_active3: trip-active3 {
+			temperature = <60000>; /* millicelsius */
+			hysteresis = <2500>; /* millicelsius */
+			type = "active";
+		};
+	};
+	cooling-maps {
+		map0 {
+			trip = <&cp0_active0>;
+			cooling-device = <&fan 0 1>;
+		};
+		map1 {
+			trip = <&cp0_active1>;
+			cooling-device = <&fan 1 2>;
+		};
+		map2 {
+			trip = <&cp0_active2>;
+			cooling-device = <&fan 2 3>;
+		};
+		map3 {
+			trip = <&cp0_active3>;
+			cooling-device = <&fan 3 4>;
+		};
+		map4 {
+			trip = <&cp0_crit>;
+			cooling-device = <&fan 4 5>;
+		};
+	};
+};
+
+&cp1_thermal_ic {
+	polling-delay = <1000>; /* milliseconds */
+	trips {
+		cp1_active0: trip-active0 {
+			temperature = <40000>; /* millicelsius */
+			hysteresis = <2500>; /* millicelsius */
+			type = "active";
+		};
+		cp1_active1: trip-active1 {
+			temperature = <45000>; /* millicelsius */
+			hysteresis = <2500>; /* millicelsius */
+			type = "active";
+		};
+		cp1_active2: trip-active2 {
+			temperature = <50000>; /* millicelsius */
+			hysteresis = <2500>; /* millicelsius */
+			type = "active";
+		};
+		cp1_active3: trip-active3 {
+			temperature = <60000>; /* millicelsius */
+			hysteresis = <2500>; /* millicelsius */
+			type = "active";
+		};
+	};
+	cooling-maps {
+		map0 {
+			trip = <&cp1_active0>;
+			cooling-device = <&fan 0 1>;
+		};
+		map1 {
+			trip = <&cp1_active1>;
+			cooling-device = <&fan 1 2>;
+		};
+		map2 {
+			trip = <&cp1_active2>;
+			cooling-device = <&fan 2 3>;
+		};
+		map3 {
+			trip = <&cp1_active3>;
+			cooling-device = <&fan 3 4>;
+		};
+		map4 {
+			trip = <&cp1_crit>;
+			cooling-device = <&fan 4 5>;
+		};
+	};
+};
+
 &uart0 {
 	status = "okay";
 	pinctrl-0 = <&uart0_pins>;
-- 
2.20.1


  parent reply	other threads:[~2020-03-29 10:49 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-29 10:45 [PATCH RFC 0/6] PWM fan support on Clearfog gt8k Russell King - ARM Linux admin
2020-03-29 10:48 ` [PATCH RFC 1/6] gpio: mvebu: convert pwm to regmap Russell King
2020-03-29 10:48 ` [PATCH RFC 2/6] gpio: mvebu: honour EPROBE_DEFER for devm_clk_get() Russell King
2020-03-29 13:16   ` Uwe Kleine-König
2020-03-29 13:34     ` Russell King - ARM Linux admin
2020-03-29 18:00       ` Uwe Kleine-König
2020-03-29 18:22         ` Russell King - ARM Linux admin
2020-03-31 16:29           ` Uwe Kleine-König
2020-03-29 10:48 ` [PATCH RFC 3/6] gpio: mvebu: add PWM support for Armada 8k Russell King
2020-03-29 11:00   ` Russell King - ARM Linux admin
2020-03-29 10:48 ` [PATCH RFC 4/6] arm64: dts: armada-cp11x: add pwm support to GPIO blocks Russell King
2020-03-29 10:48 ` [PATCH RFC 5/6] arm64: dts: clearfog-gt-8k: add pwm-fan Russell King
2020-03-29 10:48 ` Russell King [this message]
2020-04-16  7:51 ` [PATCH RFC 0/6] PWM fan support on Clearfog gt8k Linus Walleij
2020-04-16  8:14   ` Russell King - ARM Linux admin
2020-04-16 12:08     ` Linus Walleij
2020-04-16 14:53       ` Russell King - ARM Linux admin
2020-04-16 13:50   ` Andrew Lunn
2020-04-16 14:29     ` Russell King - ARM Linux admin
2020-04-16 14:36       ` Andrew Lunn
2020-04-16 14:41         ` Russell King - ARM Linux admin
2020-04-16 14:37     ` Robin Murphy
2020-04-16 14:42       ` Andrew Lunn
2020-04-16 16:20         ` Robin Murphy
2020-04-16 16:49           ` Andrew Lunn
2020-04-16 14:55       ` Russell King - ARM Linux admin
2020-04-16 15:55         ` Robin Murphy
2020-04-16 16:37           ` Russell King - ARM Linux admin
2020-04-16 16:49             ` Russell King - ARM Linux admin

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