diff mbox

[3/3] ARM: shmobile: ape6evm: add CPUFreq support

Message ID 1372326479-15028-4-git-send-email-g.liakhovetski@gmx.de (mailing list archive)
State Superseded
Commit 463a2432a435ea3eda4714626f231b7b22f0ac3d
Delegated to: Paul Mundt
Headers show

Commit Message

Guennadi Liakhovetski June 27, 2013, 9:47 a.m. UTC 
This patch adds OPPs to the CA15 DT node and a max8973 DT node to support
clock and voltage scaling, using the cpufreq-cpu0 CPUFreq driver.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
---
 arch/arm/boot/dts/r8a73a4-ape6evm.dts |   22 ++++++++++++++++++++++
 1 files changed, 22 insertions(+), 0 deletions(-)

Comments

Simon Horman June 28, 2013, 8:26 a.m. UTC | #1 
On Thu, Jun 27, 2013 at 11:47:58AM +0200, Guennadi Liakhovetski wrote:
> This patch adds OPPs to the CA15 DT node and a max8973 DT node to support
> clock and voltage scaling, using the cpufreq-cpu0 CPUFreq driver.
> 
> Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
> Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>

Thanks, queued up for v3.12 in the dt branch.
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diff mbox

Patch

diff --git a/arch/arm/boot/dts/r8a73a4-ape6evm.dts b/arch/arm/boot/dts/r8a73a4-ape6evm.dts
index 4fb0102..5c56f23 100644
--- a/arch/arm/boot/dts/r8a73a4-ape6evm.dts
+++ b/arch/arm/boot/dts/r8a73a4-ape6evm.dts
@@ -52,3 +52,25 @@ 
 		};
 	};
 };
+
+&i2c5 {
+	vdd_dvfs: max8973@1b {
+		compatible = "maxim,max8973";
+		reg = <0x1b>;
+
+		regulator-min-microvolt = <935000>;
+		regulator-max-microvolt = <1200000>;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+};
+
+&cpu0 {
+	cpu0-supply = <&vdd_dvfs>;
+	operating-points = <
+		/* kHz  uV */
+		1950000 1115000
+		1462500  995000
+	>;
+	voltage-tolerance = <1>; /* 1% */
+};