[PATCH v4 3/3] arm64: dts: register Hi3660's thermal sensor
From: Tao Wang <hidden>
Date: 2017-08-29 08:24:16
Also in:
linux-devicetree, linux-pm, lkml
Subsystem:
arm/hisilicon soc support, open firmware and flattened device tree bindings, the rest, thermal · Maintainers:
Wei Xu, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds, Rafael J. Wysocki, Daniel Lezcano
From: Tao Wang <redacted> Bind thermal sensor driver for Hi3660. Signed-off-by: Tao Wang <redacted> Signed-off-by: Leo Yan <redacted> --- arch/arm64/boot/dts/hisilicon/hi3660.dtsi | 14 +++++++++++++ include/dt-bindings/thermal/hi3660-thermal.h | 31 ++++++++++++++++++++++++++++ 2 files changed, 45 insertions(+) create mode 100644 include/dt-bindings/thermal/hi3660-thermal.h
diff --git a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
index c6a1961..1ee6084 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi@@ -6,6 +6,7 @@ #include <dt-bindings/interrupt-controller/arm-gic.h> #include <dt-bindings/clock/hi3660-clock.h> +#include <dt-bindings/thermal/hi3660-thermal.h> / { compatible = "hisilicon,hi3660";
@@ -848,5 +849,18 @@ &sdio_cfg_func>; status = "disabled"; }; + + tsensor: tsensor at fff30000 { + compatible = "hisilicon,hi3660-tsensor"; + #address-cells = <2>; + #size-cells = <2>; + reg = <0x0 0xfff3001c 0x0 0x4>, + <0x0 0xfff3005c 0x0 0x4>, + <0x0 0xfff3009c 0x0 0x4>; + hisi,tsensors = <HISI_MAX_TSENSORS>; + hisi,coef = <165000 (-40000)>; + hisi,adc-range = <0x74 0x39A>; + #thermal-sensor-cells = <1>; + }; }; };
diff --git a/include/dt-bindings/thermal/hi3660-thermal.h b/include/dt-bindings/thermal/hi3660-thermal.h
new file mode 100644
index 0000000..d9d9b6a
--- /dev/null
+++ b/include/dt-bindings/thermal/hi3660-thermal.h@@ -0,0 +1,31 @@ +/* + * Copyright (c) 2017 Hisilicon Limited. + * Copyright (c) 2017 Linaro Limited. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __DTS_HI3660_THERMAL_H +#define __DTS_HI3660_THERMAL_H + +/* sensor id */ +#define LITTLE_CPU_TEMP 0 +#define BIG_CPU_TEMP 1 +#define GPU_TEMP 2 +#define MAX_TEMP 3 +#define AVG_TEMP 4 + +#define HISI_MAX_TSENSORS 3 +#define THERMAL_NO_LIMIT (~0) + +#endif
--
2.8.1