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From: Yangtao Li <tiny.windzz@gmail.com>
To: robh+dt@kernel.org, mark.rutland@arm.com, mripard@kernel.org,
	wens@csie.org, anarsoul@gmail.com, tiny.windzz@gmail.com,
	rui.zhang@intel.com, daniel.lezcano@linaro.org,
	amit.kucheria@verdurent.com, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org
Subject: [PATCH 2/2] ARM: dts: sun8i-r40: Add thermal sensor and thermal zones
Date: Mon,  6 Jan 2020 17:22:54 +0000	[thread overview]
Message-ID: <20200106172254.20271-2-tiny.windzz@gmail.com> (raw)
In-Reply-To: <20200106172254.20271-1-tiny.windzz@gmail.com>

There are two sensors, sensor0 for CPU, sensor1 for GPU.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
Tested-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Tested-on: sun8i-r40-bananapi-m2-ultra
---
 arch/arm/boot/dts/sun8i-r40.dtsi | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-r40.dtsi b/arch/arm/boot/dts/sun8i-r40.dtsi
index 421dfbbfd7ee..8ccda5cb873f 100644
--- a/arch/arm/boot/dts/sun8i-r40.dtsi
+++ b/arch/arm/boot/dts/sun8i-r40.dtsi
@@ -46,6 +46,7 @@
 #include <dt-bindings/clock/sun8i-r40-ccu.h>
 #include <dt-bindings/reset/sun8i-r40-ccu.h>
 #include <dt-bindings/reset/sun8i-de2.h>
+#include <dt-bindings/thermal/thermal.h>
 
 / {
 	#address-cells = <1>;
@@ -109,6 +110,22 @@
 		status = "disabled";
 	};
 
+	thermal-zones {
+		cpu_thermal: cpu0-thermal {
+			/* milliseconds */
+			polling-delay-passive = <0>;
+			polling-delay = <0>;
+			thermal-sensors = <&ths 0>;
+		};
+
+		gpu_thermal: gpu-thermal {
+			/* milliseconds */
+			polling-delay-passive = <0>;
+			polling-delay = <0>;
+			thermal-sensors = <&ths 1>;
+		};
+	};
+
 	soc {
 		compatible = "simple-bus";
 		#address-cells = <1>;
@@ -421,6 +438,17 @@
 			clocks = <&osc24M>;
 		};
 
+		ths: thermal-sensor@1c24c00 {
+			compatible = "allwinner,sun8i-r40-ths";
+			reg = <0x01c24c00 0x100>;
+			clocks = <&ccu CLK_BUS_THS>, <&ccu CLK_THS>;
+			clock-names = "bus", "mod";
+			interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
+			resets = <&ccu RST_BUS_THS>;
+			/* TODO: add nvmem-cells for calibration */
+			#thermal-sensor-cells = <1>;
+		};
+
 		uart0: serial@1c28000 {
 			compatible = "snps,dw-apb-uart";
 			reg = <0x01c28000 0x400>;
-- 
2.17.1


  reply	other threads:[~2020-01-06 17:23 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-06 17:22 [PATCH 1/2] thermal: sun8i: fix r40 ths number Yangtao Li
2020-01-06 17:22 ` Yangtao Li [this message]
2020-01-06 17:28 ` Vasily Khoruzhick
2020-01-06 17:45   ` Frank Lee

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