linux-kernel - [PATCH v2 2/4] cpufreq: dt-bindings: add bindings for mtk-cpufreq driver

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Date:	Wed,  4 Mar 2015 16:49:14 +0800
From:	"pi-cheng.chen" <pi-cheng.chen@...aro.org>
To:	Viresh Kumar <viresh.kumar@...aro.org>,
	Matthias Brugger <matthias.bgg@...il.com>,
	Rob Herring <robh+dt@...nel.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>
Cc:	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>,
	"pi-cheng.chen" <pi-cheng.chen@...aro.org>,
	"Joe.C" <yingjoe.chen@...iatek.com>,
	Eddie Huang <eddie.huang@...iatek.com>,
	Howard Chen <ibanezchen@...il.com>,
	Ashwin Chaugule <ashwin.chaugule@...aro.org>,
	Mike Turquette <mturquette@...aro.org>, fan.chen@...iatek.com,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
	linaro-kernel@...ts.linaro.org, linux-mediatek@...ts.infradead.org
Subject: [PATCH v2 2/4] cpufreq: dt-bindings: add bindings for mtk-cpufreq driver

Add dt-binding for mtk-cpufreq driver so that the driver could get SoC specific
information (intermediate_clk for now) from device tree.

Signed-off-by: pi-cheng.chen <pi-cheng.chen@...aro.org>
---
 .../devicetree/bindings/cpufreq/cpufreq-mtk.txt         | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/cpufreq/cpufreq-mtk.txt

diff --git a/Documentation/devicetree/bindings/cpufreq/cpufreq-mtk.txt b/Documentation/devicetree/bindings/cpufreq/cpufreq-mtk.txt
new file mode 100644
index 0000000..53bf108
--- /dev/null
+++ b/Documentation/devicetree/bindings/cpufreq/cpufreq-mtk.txt
@@ -0,0 +1,17 @@
+
+Mediatek cpufreq driver
+-------------------
+
+Mediatek SoC cpufreq driver for CPU frequency scaling.
+
+Required properties:
+- compatible: "mediatek,mtk-cpufreq"
+- intermediate_clk: The intermediate clock source which CPUs will switch to
+during CPU frequency transition.
+
+Examples:
+--------
+	mtk-cpufreq {
+		compatible = "mediatek,mtk-cpufreq";
+		intermediate_clk = <&apmixedsys APMIXED_MAINPLL>;
+	};
-- 
1.9.1

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