[PATCH 3/3] ARM: shmobile: ape6evm: add CPUFreq support
From: Guennadi Liakhovetski <hidden>
Date: 2013-06-27 09:47:58
Also in:
linux-sh
Subsystem:
the rest · Maintainer:
Linus Torvalds
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 <redacted> Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> --- arch/arm/boot/dts/r8a73a4-ape6evm.dts | 22 ++++++++++++++++++++++ 1 files changed, 22 insertions(+), 0 deletions(-)
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 at 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% */ +};
--
1.7.2.5