linux-kernel - [PATCH 2/3] thermal: exynos: Document number of supported trip-points

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Message-id: <1455772460-20684-2-git-send-email-k.kozlowski@samsung.com>
Date:	Thu, 18 Feb 2016 14:14:19 +0900
From:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
To:	Kukjin Kim <kgene@...nel.org>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
	Lukasz Majewski <l.majewski@...sung.com>,
	Zhang Rui <rui.zhang@...el.com>,
	Eduardo Valentin <edubezval@...il.com>,
	linux-pm@...r.kernel.org
Cc:	Viresh Kumar <viresh.kumar@...aro.org>
Subject: [PATCH 2/3] thermal: exynos: Document number of supported trip-points

Document the number of configurable temperature thresholds (for
trip-points in interrupt-driven mode).

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@...sung.com>
---
 Documentation/devicetree/bindings/thermal/exynos-thermal.txt | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/thermal/exynos-thermal.txt b/Documentation/devicetree/bindings/thermal/exynos-thermal.txt
index 34315d7fbfde..faa62059b5c5 100644
--- a/Documentation/devicetree/bindings/thermal/exynos-thermal.txt
+++ b/Documentation/devicetree/bindings/thermal/exynos-thermal.txt
@@ -44,6 +44,14 @@
 - vtmu-supply: This entry is optional and provides the regulator node supplying
 		voltage to TMU. If needed this entry can be placed inside
 		board/platform specific dts file.
+
+The Exynos TMU supports generating interrupts when reaching given
+temperature thresholds. Number of supported thermal trip points depends
+on the SoC (only first trip points defined in DT will be configured):
+ - most of SoC: 4
+ - samsung,exynos5433-tmu: 8
+ - samsung,exynos7-tmu: 8
+
 Following properties are mandatory (depending on SoC):
 - samsung,tmu_gain: Gain value for internal TMU operation.
 - samsung,tmu_reference_voltage: Value of TMU IP block's reference voltage
-- 
2.5.0