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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