linux-kernel - [PATCH v8 3/7] ARM: dts: sun8i-a83t: Add thermal sensor and thermal zones

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Thu, 19 Dec 2019 09:28:19 -0800
From:   Vasily Khoruzhick <anarsoul@...il.com>
To:     Yangtao Li <tiny.windzz@...il.com>,
        Zhang Rui <rui.zhang@...el.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Amit Kucheria <amit.kucheria@...durent.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Maxime Ripard <mripard@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Ondřej Jirman <megous@...ous.com>,
        linux-kernel@...r.kernel.org
Cc:     Vasily Khoruzhick <anarsoul@...il.com>
Subject: [PATCH v8 3/7] ARM: dts: sun8i-a83t: Add thermal sensor and thermal zones

From: Ondrej Jirman <megous@...ous.com>

There are three sensors, two for each CPU cluster, one for GPU.

Signed-off-by: Ondrej Jirman <megous@...ous.com>
Signed-off-by: Vasily Khoruzhick <anarsoul@...il.com>
---
 arch/arm/boot/dts/sun8i-a83t.dtsi | 36 +++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-a83t.dtsi b/arch/arm/boot/dts/sun8i-a83t.dtsi
index 53c38deb8a08..93a6df11cb18 100644
--- a/arch/arm/boot/dts/sun8i-a83t.dtsi
+++ b/arch/arm/boot/dts/sun8i-a83t.dtsi
@@ -50,6 +50,7 @@
 #include <dt-bindings/reset/sun8i-a83t-ccu.h>
 #include <dt-bindings/reset/sun8i-de2.h>
 #include <dt-bindings/reset/sun8i-r-ccu.h>
+#include <dt-bindings/thermal/thermal.h>
 
 / {
 	interrupt-parent = <&gic>;
@@ -581,6 +582,12 @@ mmc2: mmc@...1000 {
 		sid: eeprom@...4000 {
 			compatible = "allwinner,sun8i-a83t-sid";
 			reg = <0x1c14000 0x400>;
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			ths_calibration: thermal-sensor-calibration@34 {
+				reg = <0x34 8>;
+			};
 		};
 
 		crypto: crypto@...5000 {
@@ -1165,5 +1172,34 @@ r_rsb: rsb@...3400 {
 			#address-cells = <1>;
 			#size-cells = <0>;
 		};
+
+		ths: thermal-sensor@...4000 {
+			compatible = "allwinner,sun8i-a83t-ths";
+			reg = <0x01f04000 0x100>;
+			interrupts = <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
+			nvmem-cells = <&ths_calibration>;
+			nvmem-cell-names = "calibration";
+			#thermal-sensor-cells = <1>;
+		};
+	};
+
+	thermal-zones {
+		cpu0_thermal: cpu0-thermal {
+			polling-delay-passive = <0>;
+			polling-delay = <0>;
+			thermal-sensors = <&ths 0>;
+		};
+
+		cpu1_thermal: cpu1-thermal {
+			polling-delay-passive = <0>;
+			polling-delay = <0>;
+			thermal-sensors = <&ths 1>;
+		};
+
+		gpu_thermal: gpu-thermal {
+			polling-delay-passive = <0>;
+			polling-delay = <0>;
+			thermal-sensors = <&ths 2>;
+		};
 	};
 };
-- 
2.24.1