linux-kernel - [PATCH] arm64: dts: meson: add thermal zones to gxl-s905x-khadas-vim

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Message-Id: <1582870346-74145-1-git-send-email-christianshewitt@gmail.com>
Date:   Fri, 28 Feb 2020 10:12:26 +0400
From:   Christian Hewitt <christianshewitt@...il.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Kevin Hilman <khilman@...libre.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Christian Hewitt <christianshewitt@...il.com>,
        Nick Xie <nick@...das.com>
Subject: [PATCH] arm64: dts: meson: add thermal zones to gxl-s905x-khadas-vim

Add thermal zones to the VIM1 board, copying the zone config from the
existing VIM2 board.

Suggested-by: Nick Xie <nick@...das.com>
Signed-off-by: Christian Hewitt <christianshewitt@...il.com>
---
 .../dts/amlogic/meson-gxl-s905x-khadas-vim.dts     | 50 ++++++++++++++++++++++
 1 file changed, 50 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts
index 440bc23..2c198c4 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts
@@ -6,6 +6,7 @@
 /dts-v1/;
 
 #include <dt-bindings/input/input.h>
+#include <dt-bindings/thermal/thermal.h>
 
 #include "meson-gxl-s905x-p212.dtsi"
 
@@ -63,6 +64,39 @@
 			};
 		};
 	};
+
+	thermal-zones {
+		cpu-thermal {
+			polling-delay-passive = <250>; /* milliseconds */
+			polling-delay = <1000>; /* milliseconds */
+
+			thermal-sensors = <&scpi_sensors 0>;
+
+			trips {
+				cpu_alert0: cpu-alert0 {
+					temperature = <70000>; /* millicelsius */
+					hysteresis = <2000>; /* millicelsius */
+					type = "active";
+				};
+
+				cpu_alert1: cpu-alert1 {
+					temperature = <80000>; /* millicelsius */
+					hysteresis = <2000>; /* millicelsius */
+					type = "passive";
+				};
+			};
+
+			cooling-maps {
+				map0 {
+					trip = <&cpu_alert1>;
+					cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+							 <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+							 <&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+							 <&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+				};
+			};
+		};
+	};
 };
 
 &cec_AO {
@@ -72,6 +106,22 @@
 	hdmi-phandle = <&hdmi_tx>;
 };
 
+&cpu0 {
+	#cooling-cells = <2>;
+};
+
+&cpu1 {
+	#cooling-cells = <2>;
+};
+
+&cpu2 {
+	#cooling-cells = <2>;
+};
+
+&cpu3 {
+	#cooling-cells = <2>;
+};
+
 &hdmi_tx {
 	status = "okay";
 	pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
-- 
2.7.4