linux-kernel - [PATCH v3 14/15] ARM: tegra: Add entries for cpufreq on Tegra124

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Message-Id: <1408419205-10048-15-git-send-email-tuomas.tynkkynen@iki.fi>
Date:	Tue, 19 Aug 2014 06:33:24 +0300
From:	Tuomas Tynkkynen <tuomas.tynkkynen@....fi>
To:	linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-pm@...r.kernel.org
Cc:	Stephen Warren <swarren@...dotorg.org>,
	Thierry Reding <thierry.reding@...il.com>,
	Peter De Schrijver <pdeschrijver@...dia.com>,
	Prashant Gaikwad <pgaikwad@...dia.com>,
	Mike Turquette <mturquette@...aro.org>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Viresh Kumar <viresh.kumar@...aro.org>,
	Paul Walmsley <pwalmsley@...dia.com>,
	Vince Hsu <vinceh@...dia.com>, devicetree@...r.kernel.org,
	Tuomas Tynkkynen <ttynkkynen@...dia.com>
Subject: [PATCH v3 14/15] 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>
---
 arch/arm/boot/dts/tegra124.dtsi | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi
index 8ff4332..17f2382 100644
--- a/arch/arm/boot/dts/tegra124.dtsi
+++ b/arch/arm/boot/dts/tegra124.dtsi
@@ -782,10 +782,19 @@
 		#address-cells = <1>;
 		#size-cells = <0>;
 
-		cpu@0 {
+		cpu0: cpu@0 {
 			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 {
-- 
1.8.1.5

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