linux-kernel - [PATCH v5 14/16] ARM: tegra: Add entries for cpufreq on Tegra124

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Message-Id: <1414161563-16812-15-git-send-email-mikko.perttunen@kapsi.fi>
Date:	Fri, 24 Oct 2014 17:39:21 +0300
From:	Mikko Perttunen <mikko.perttunen@...si.fi>
To:	swarren@...dotorg.org, thierry.reding@...il.com, gnurou@...il.com,
	pdeschrijver@...dia.com, rjw@...ysocki.net, viresh.kumar@...aro.org
Cc:	mturquette@...aro.org, pwalmsley@...dia.com, vinceh@...dia.com,
	pgaikwad@...dia.com, linux-kernel@...r.kernel.org,
	linux-pm@...r.kernel.org, linux-tegra@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, tuomas.tynkkynen@....fi,
	Tuomas Tynkkynen <ttynkkynen@...dia.com>,
	Mikko Perttunen <mikko.perttunen@...si.fi>
Subject: [PATCH v5 14/16] ARM: tegra: Add entries for cpufreq on Tegra124

From: Tuomas Tynkkynen <ttynkkynen@...dia.com>

The Tegra124 cpufreq driver relies on certain clocks being present
in the /cpus/cpu@0 node.

Signed-off-by: Tuomas Tynkkynen <ttynkkynen@...dia.com>
Signed-off-by: Mikko Perttunen <mikko.perttunen@...si.fi>
---
v5:
- Don't name cpu@0 'cpu0'. Instead, we will reference by path.

 arch/arm/boot/dts/tegra124.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi
index a6bf9b6..ba5c6b4 100644
--- a/arch/arm/boot/dts/tegra124.dtsi
+++ b/arch/arm/boot/dts/tegra124.dtsi
@@ -882,6 +882,15 @@
 			device_type = "cpu";
 			compatible = "arm,cortex-a15";
 			reg = <0>;
+
+			clocks = <&tegra_car TEGRA124_CLK_CCLK_G>,
+				 <&tegra_car TEGRA124_CLK_CCLK_LP>,
+				 <&tegra_car TEGRA124_CLK_PLL_X>,
+				 <&tegra_car TEGRA124_CLK_PLL_P>,
+				 <&dfll>;
+			clock-names = "cpu_g", "cpu_lp", "pll_x", "pll_p", "dfll";
+			/* FIXME: what's the actual transition time? */
+			clock-latency = <300000>;
 		};
 
 		cpu@1 {
-- 
2.1.0

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