Re: [PATCH v2 1/8] ARM: shmobile: lager: Add VDD MPU regulator for DVFS

[Simon Horman <horms@verge.net.au>]

On Tue, Jun 03, 2014 at 09:02:12PM +0900, Gaku Inami wrote:
> From: Benoit Cousson <bcousson@baylibre.com>
> 
> The CA15 cluster is capable of voltage scaling. Add the regulator
> in the i2c3 node, to allow the generic CPUFreq driver to use it.
> 
> Enable the i2c3 pin mux and the device node as well since the
> da9210 is connected to that bus.
> 
> Note: In R-CAR Gen2, each frequency is using the same voltage,
> and DVS control is not used. Therefore, this patch set the
> voltage(Vmin/Vmax) to 1000mv.
> 
> Signed-off-by: Benoit Cousson <bcousson@baylibre.com>
> [gaku.inami.xw@bp.renesas.com: Changes Vmin for disabling DVS]
> Signed-off-by: Gaku Inami <gaku.inami.xw@bp.renesas.com>

Thanks, I have queued this up with Magnus's Ack.

> ---
> 
> Changes since version 1:
> - added this patch for enabling da9210 regulator.
> - fixed subject.
> 
>  arch/arm/boot/dts/r8a7790-lager.dts |   21 +++++++++++++++++++++
>  1 file changed, 21 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/r8a7790-lager.dts b/arch/arm/boot/dts/r8a7790-lager.dts
> index 9becef7..8428204 100644
> --- a/arch/arm/boot/dts/r8a7790-lager.dts
> +++ b/arch/arm/boot/dts/r8a7790-lager.dts
> @@ -204,6 +204,11 @@
>  				 "msiof1_tx";
>  		renesas,function = "msiof1";
>  	};
> +
> +	i2c3_pins: i2c3 {
> +		renesas,groups = "i2c3";
> +		renesas,function = "i2c3";
> +	};
>  };
>  
>  &ether {
> @@ -317,3 +322,19 @@
>  	cd-gpios = <&gpio3 22 GPIO_ACTIVE_LOW>;
>  	status = "okay";
>  };
> +
> +&i2c3 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&i2c3_pins>;
> +	status = "okay";
> +
> +	vdd_dvfs: regulator@68 {
> +		compatible = "diasemi,da9210";
> +		reg = <0x68>;
> +
> +		regulator-min-microvolt = <1000000>;
> +		regulator-max-microvolt = <1000000>;
> +		regulator-boot-on;
> +		regulator-always-on;
> +	};
> +};
> -- 
> 1.7.9.5
>