Re: [PATCH] arm64: dts: qcom: sa8775p-ride: add WiFi/BT nodes

From: Dmitry Baryshkov
Date: Thu Sep 05 2024 - 20:49:18 EST


On Fri, Sep 06, 2024 at 08:19:28AM GMT, Miaoqing Pan wrote:
>
>
> On 9/5/2024 8:49 PM, Dmitry Baryshkov wrote:
> > On Thu, Sep 05, 2024 at 02:48:17PM GMT, Miaoqing Pan wrote:
> > > Add a node for the PMU module of the WCN6855 present on the sa8775p-ride
> > > board. Assign its LDO power outputs to the existing WiFi/Bluetooth module.
> > >
> > > Signed-off-by: Miaoqing Pan <quic_miaoqing@xxxxxxxxxxx>
> > > ---
> > > arch/arm64/boot/dts/qcom/sa8775p-ride.dtsi | 119 +++++++++++++++++++++
> > > arch/arm64/boot/dts/qcom/sa8775p.dtsi | 2 +-
> > > 2 files changed, 120 insertions(+), 1 deletion(-)
> > >
> > > @@ -837,3 +939,20 @@ &usb_2_hsphy {
> > > &xo_board_clk {
> > > clock-frequency = <38400000>;
> > > };
> > > +
> > > +&pcieport0 {
> > > + wifi@0 {
> > > + compatible = "pci17cb,1101";
> > > + reg = <0x10000 0x0 0x0 0x0 0x0>;
> > > +
> > > + vddrfacmn-supply = <&vreg_pmu_rfa_cmn>;
> > > + vddaon-supply = <&vreg_pmu_aon_0p59>;
> > > + vddwlcx-supply = <&vreg_pmu_wlcx_0p8>;
> > > + vddwlmx-supply = <&vreg_pmu_wlmx_0p85>;
> > > + vddrfa0p8-supply = <&vreg_pmu_rfa_0p8>;
> > > + vddrfa1p2-supply = <&vreg_pmu_rfa_1p2>;
> > > + vddrfa1p7-supply = <&vreg_pmu_rfa_1p7>;
> > > + vddpcie0p9-supply = <&vreg_pmu_pcie_0p9>;
> > > + vddpcie1p8-supply = <&vreg_pmu_pcie_1p8>;
> >
> > Please add
> >
> > qcom,ath11k-calibration-variant = "name";
>
> No need, here the WiFi node is for 'drivers/pci/pwrctl', not ath11k driver.

NAK, nodes describe hardware, not drivers. And we have had enough issues
with the WCN wifi having collisions on the board-id / chip-id / etc.

Maybe we should make calibration-data required for the DT-based systems?
Kalle, WDYT?

--
With best wishes
Dmitry