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| author | Guennadi Liakhovetski <g.liakhovetski@gmx.de> | 2013-06-27 11:47:58 +0200 |
|---|---|---|
| committer | Simon Horman <horms+renesas@verge.net.au> | 2013-07-17 03:06:45 +0200 |
| commit | 463a2432a435ea3eda4714626f231b7b22f0ac3d (patch) | |
| tree | b0bc5b823219e850eab36adc555107289c660492 /arch/arm/boot/dts/r8a73a4-ape6evm.dts | |
| parent | ARM: shmobile: r8a73a4: add I2C controller DT nodes (diff) | |
| download | linux-463a2432a435ea3eda4714626f231b7b22f0ac3d.tar.xz linux-463a2432a435ea3eda4714626f231b7b22f0ac3d.zip | |
ARM: shmobile: ape6evm: add CPUFreq support
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>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'arch/arm/boot/dts/r8a73a4-ape6evm.dts')
| -rw-r--r-- | 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 f603c6946c29..e657a9db1666 100644 --- a/arch/arm/boot/dts/r8a73a4-ape6evm.dts +++ b/arch/arm/boot/dts/r8a73a4-ape6evm.dts @@ -50,3 +50,25 @@ }; }; }; + +&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% */ +}; |