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[v4,3/3] arm64: dts: register Hi3660's thermal sensor

Message ID 1503994666-13954-4-git-send-email-kevin.wangtao@hisilicon.com
State New
Headers show
Series [v4,1/3] dt-bindings: Document the hi3660 thermal sensor bindings | expand

Commit Message

Wangtao (Kevin, Kirin) Aug. 29, 2017, 8:17 a.m. UTC 
From: Tao Wang <kevin.wangtao@linaro.org>


Bind thermal sensor driver for Hi3660.

Signed-off-by: Tao Wang <kevin.wangtao@linaro.org>

Signed-off-by: Leo Yan <leo.yan@linaro.org>

---
 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

-- 
2.8.1
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Patch

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@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