Re: [PATCH v4 3/3] arm64: dts: qcom: Add Vicharak Axon Mini

[Ajit Singh]

On Wed, Jun 10, 2026 at 02:58:19PM +0530, Konrad Dybcio wrote:
> On 6/7/26 1:36 PM, Ajit Singh wrote:
> > Add DTS for the Vicharak Axon Mini board based on the Qualcomm
> > QCS6490 SoC.
> > 
> > This adds debug UART, eMMC, UFS, SDIO WLAN, USB 2.0 host, PCIe
> > support along with regulators.
> > 
> > The UFS ICE block is kept disabled because enabling it currently causes
> > an SError during qcom_ice_create() on this board. UFS works without ICE.
> > 
> > Signed-off-by: Ajit Singh <blfizzyy@xxxxxxxxx>
> > ---
> 
> [...]
> 
> > +		vreg_l12c_1p8: ldo12 {
> > +			regulator-name = "vreg_l12c_1p8";
> > +			regulator-min-microvolt = <1800000>;
> > +			regulator-max-microvolt = <2000000>;
> > +			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
> > +
> > +			/*
> > +			 * VREG_L12C_1P8 supplies the Ampak WLAN/BT module
> > +			 * VDDIO and the external 32.768 kHz oscillator.
> > +			 */
> 
> Sorry for the long review timelines on the previous patch, many of us
> were out for conferences..
> 
> Is the oscillator used for that WLAN module? Would you ideally like to
> be able to turn it on/off?

yes, oscillator is used for WLAN modules. Oscillator is powered from the same
VREG_L12C rail as WLAN VDDIO, so there is no separate regulator control to put
in pwrseq. So I think this will work fine?

> 
> Perhaps you could get that with a simple pwrseq driver (+Bartosz)
> 
> Konrad