linux-kernel - Re: [PATCH v4 3/3] ARM: tegra: correct Colibri T20 regulator settings

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Date:	Wed, 04 Dec 2013 12:52:45 +0100
From:	Lucas Stach <l.stach@...gutronix.de>
To:	Stefan Agner <stefan@...er.ch>
Cc:	swarren@...dotorg.org, thierry.reding@...il.com, dev@...xeye.de,
	lee.jones@...aro.org, lgirdwood@...il.com, broonie@...nel.org,
	sameo@...ux.intel.com, kai.poggensee@...onic-design.de,
	linux-kernel@...r.kernel.org, linux-tegra@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v4 3/3] ARM: tegra: correct Colibri T20 regulator
 settings

Am Dienstag, den 03.12.2013, 23:18 +0100 schrieb Stefan Agner:
> Set the parent of the regulators LDO2 to LDO9 according to the
> schematic. Set the base voltage to 3.3V, there is only 3.3V on the
> module itself.
> 
> Set the Core and CPU voltage to the specified voltages of 1.2V and
> 1.0V respectivly.
> 
> LDO6 should deliver 2.85V. The attached peripherals were not in
> use so far.
> 
> Signed-off-by: Stefan Agner <stefan@...er.ch>
Reviewed-by: Lucas Stach <l.stach@...gutronix.de>

> ---
>  arch/arm/boot/dts/tegra20-colibri-512.dtsi | 30 +++++++++++++++---------------
>  1 file changed, 15 insertions(+), 15 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/tegra20-colibri-512.dtsi b/arch/arm/boot/dts/tegra20-colibri-512.dtsi
> index cbe89ff..51e0880 100644
> --- a/arch/arm/boot/dts/tegra20-colibri-512.dtsi
> +++ b/arch/arm/boot/dts/tegra20-colibri-512.dtsi
> @@ -225,15 +225,15 @@
>  			#gpio-cells = <2>;
>  			gpio-controller;
>  
> -			sys-supply = <&vdd_5v0_reg>;
> +			sys-supply = <&vdd_3v3_reg>;
>  			vin-sm0-supply = <&sys_reg>;
>  			vin-sm1-supply = <&sys_reg>;
>  			vin-sm2-supply = <&sys_reg>;
>  			vinldo01-supply = <&sm2_reg>;
> -			vinldo23-supply = <&sm2_reg>;
> -			vinldo4-supply = <&sm2_reg>;
> -			vinldo678-supply = <&sm2_reg>;
> -			vinldo9-supply = <&sm2_reg>;
> +			vinldo23-supply = <&vdd_3v3_reg>;
> +			vinldo4-supply = <&vdd_3v3_reg>;
> +			vinldo678-supply = <&vdd_3v3_reg>;
> +			vinldo9-supply = <&vdd_3v3_reg>;
>  
>  			regulators {
>  				#address-cells = <1>;
> @@ -250,8 +250,8 @@
>  					reg = <1>;
>  					regulator-compatible = "sm0";
>  					regulator-name = "vdd_sm0,vdd_core";
> -					regulator-min-microvolt = <1275000>;
> -					regulator-max-microvolt = <1275000>;
> +					regulator-min-microvolt = <1200000>;
> +					regulator-max-microvolt = <1200000>;
>  					regulator-always-on;
>  				};
>  
> @@ -259,8 +259,8 @@
>  					reg = <2>;
>  					regulator-compatible = "sm1";
>  					regulator-name = "vdd_sm1,vdd_cpu";
> -					regulator-min-microvolt = <1100000>;
> -					regulator-max-microvolt = <1100000>;
> +					regulator-min-microvolt = <1000000>;
> +					regulator-max-microvolt = <1000000>;
>  					regulator-always-on;
>  				};
>  
> @@ -316,8 +316,8 @@
>  					reg = <10>;
>  					regulator-compatible = "ldo6";
>  					regulator-name = "vdd_ldo6,avdd_vdac,vddio_vi,vddio_cam";
> -					regulator-min-microvolt = <1800000>;
> -					regulator-max-microvolt = <1800000>;
> +					regulator-min-microvolt = <2850000>;
> +					regulator-max-microvolt = <2850000>;
>  				};
>  
>  				hdmi_vdd_reg: regulator@11 {
> @@ -504,12 +504,12 @@
>  		#address-cells = <1>;
>  		#size-cells = <0>;
>  
> -		vdd_5v0_reg: regulator@100 {
> +		vdd_3v3_reg: regulator@100 {
>  			compatible = "regulator-fixed";
>  			reg = <100>;
> -			regulator-name = "vdd_5v0";
> -			regulator-min-microvolt = <5000000>;
> -			regulator-max-microvolt = <5000000>;
> +			regulator-name = "vdd_3v3";
> +			regulator-min-microvolt = <3300000>;
> +			regulator-max-microvolt = <3300000>;
>  			regulator-always-on;
>  		};
>  

-- 
Pengutronix e.K.                           | Lucas Stach                 |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-5076 |
Amtsgericht Hildesheim, HRA 2686           | Fax:   +49-5121-206917-5555 |

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