linux-kernel - [PATCH v5 2/4] dt-bindings: document Rockchip thermal

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Message-Id: <1410926353-15674-3-git-send-email-caesar.wang@rock-chips.com>
Date:	Wed, 17 Sep 2014 11:59:11 +0800
From:	Caesar Wang <caesar.wang@...k-chips.com>
To:	heiko@...ech.de, rui.zhang@...el.com, edubezval@...il.com,
	arnd@...db.de
Cc:	linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-doc@...r.kernel.org, huangtao@...k-chips.com,
	cf@...k-chips.com, dianders@...omium.org, dtor@...omium.org,
	dmitry.torokhov@...il.com, addy.ke@...k-chips.com,
	zyf@...k-chips.com, cjf@...k-chips.com,
	Caesar Wang <caesar.wang@...k-chips.com>
Subject: [PATCH v5 2/4] dt-bindings: document Rockchip thermal

This add the necessary binding documentation for the thermal
found on Rockchip SoCs

Signed-off-by: zhaoyifeng <zyf@...k-chips.com>
Signed-off-by: Caesar Wang <caesar.wang@...k-chips.com>
---
 .../bindings/thermal/rockchip-thermal.txt          | 41 ++++++++++++++++++++++
 1 file changed, 41 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/thermal/rockchip-thermal.txt

diff --git a/Documentation/devicetree/bindings/thermal/rockchip-thermal.txt b/Documentation/devicetree/bindings/thermal/rockchip-thermal.txt
new file mode 100644
index 0000000..6fc8bc3
--- /dev/null
+++ b/Documentation/devicetree/bindings/thermal/rockchip-thermal.txt
@@ -0,0 +1,41 @@
+* Temperature Sensor ADC (TSADC) on rockchip SoCs
+
+Required properties:
+- compatible: "rockchip,rk3288-tsadc"
+- reg: physical base address of the controller and length of memory mapped
+       region.
+- interrupts: The interrupt number to the cpu. The interrupt specifier format
+	      depends on the interrupt controller.
+- clocks: Must contain an entry for each entry in clock-names.
+- clock-names: Shall be "tsadc" for the converter-clock, and "apb_pclk" for
+	       the peripheral clock.
+- num-trips:  number of total trip points, this is required, set it 0 if none,
+  	      if greater than 0, the following properties must be defined;
+- tripN-temp: temperature of trip point N, should be in ascending order;
+- tripN-type: type of trip point N, should be one of "active" "passive" "hot"
+	      "critical";
+- tripN-cdev-num: number of the cooling devices which can be bound to trip
+		  point N, this is required if trip point N is defined, set it 0 if none,
+		  otherwise the following cooling device names must be defined;
+- tripN-cdev-nameM: name of the No. M cooling device of trip point N;
+
+Example:
+tsadc: tsadc@...80000 {
+	compatible = "rockchip,rk3288-tsadc";
+	reg = <0xff280000 0x100>;
+	interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
+	clocks = <&cru SCLK_TSADC>, <&cru PCLK_TSADC>;
+	clock-names = "tsadc", "apb_pclk";
+
+	num-trips = <2>;
+
+	trip0-temp = <80>;
+	trip0-type = "passive";
+	trip0-cdev-num = <1>;
+	trip0-cdev-name0 = "thermal-cpufreq-0";
+
+	trip1-temp = <100>;
+	trip1-type = "critical";
+	trip1-cdev-num = <1>;
+	trip1-cdev-name0 = "thermal-cpufreq-0";
+};
-- 
1.9.1


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