Re: [PATCH] ARM: dts: da850-evm: Correct the audio codec regulators

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Hi,

On 19/12/2018 12.12, Peter Ujfalusi wrote:
> Add the board level fixed regulators for 3.3V and 1.8V which is used to
> power - among other things - the tlv320aic3106 codec.
> 
> Apart from removing the following warning during boot:
> tlv320aic3x-codec 0-0018: Too high supply voltage(s) AVDD: 5000000, DVDD: 5000000
> 
> With the correct voltages the driver can select correct OCMV value to
> reduce pop noise.

Please ignore this, I'll send an update.

> 
> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
> ---
>  arch/arm/boot/dts/da850-evm.dts | 29 +++++++++++++++++++++++++----
>  1 file changed, 25 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/da850-evm.dts b/arch/arm/boot/dts/da850-evm.dts
> index f9a5a8212c84..997bede2a48f 100644
> --- a/arch/arm/boot/dts/da850-evm.dts
> +++ b/arch/arm/boot/dts/da850-evm.dts
> @@ -94,6 +94,28 @@
>  		regulator-boot-on;
>  	};
>  
> +	baseboard_3v3: fixedregulator-3v3 {
> +		/* TPS73701DCQ */
> +		compatible = "regulator-fixed";
> +		regulator-name = "baseboard_3v3";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		vin-supply = <&vbat>;
> +		regulator-always-on;
> +		regulator-boot-on;
> +	};
> +
> +	baseboard_1v8: fixedregulator-1v8 {
> +		/* TPS73701DCQ */
> +		compatible = "regulator-fixed";
> +		regulator-name = "baseboard_1v8";
> +		regulator-min-microvolt = <1800000>;
> +		regulator-max-microvolt = <1800000>;
> +		vin-supply = <&vbat>;
> +		regulator-always-on;
> +		regulator-boot-on;
> +	};
> +
>  	backlight_lcd: backlight-regulator {
>  		compatible = "regulator-fixed";
>  		regulator-name = "lcd_backlight_pwr";
> @@ -210,10 +232,9 @@
>  
>  		/* Regulators */
>  		IOVDD-supply = <&vdcdc2_reg>;
> -		/* Derived from VBAT: Baseboard 3.3V / 1.8V */
> -		AVDD-supply = <&vbat>;
> -		DRVDD-supply = <&vbat>;
> -		DVDD-supply = <&vbat>;
> +		AVDD-supply = <&baseboard_3v3>;
> +		DRVDD-supply = <&baseboard_3v3>;
> +		DVDD-supply = <&baseboard_1v8>;
>  	};
>  	tca6416: gpio@20 {
>  		compatible = "ti,tca6416";
> 

- Péter

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