Re: [PATCH 12/13] arm64: dts: sda660-ifc6560: document missing USB PHY supplies

[Konrad Dybcio]

On 1.05.2024 6:19 PM, Dmitry Baryshkov wrote:
> On the IFC6560 one of the USB PHY supplies is the L10A power supply.
> However this regulator also supplies VDDA_APC1_CS, VDD_PLL2 and VDD_P11
> consumers. Touching the supply causes the board to be reset. Document
> the supply as a fixed always-on regulator.

how not to design your power rails 101

> 
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
> ---
>  arch/arm64/boot/dts/qcom/sda660-inforce-ifc6560.dts | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sda660-inforce-ifc6560.dts b/arch/arm64/boot/dts/qcom/sda660-inforce-ifc6560.dts
> index 702ab49bbc59..60412281ab27 100644
> --- a/arch/arm64/boot/dts/qcom/sda660-inforce-ifc6560.dts
> +++ b/arch/arm64/boot/dts/qcom/sda660-inforce-ifc6560.dts
> @@ -96,6 +96,18 @@ v5p0_boost: v5p0-boost-regulator {
>  
>  		vin-supply = <&vph_pwr>;
>  	};
> +
> +	/*
> +	 * this is also used for APC1 CPU power, touching it resets the board
> +	 */

/* This... */

Reviewed-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>

Konrad