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
