Re: [PATCH v2 07/10] ARM: tegra: tf701t: Fix BCM43341 WiFi/BT chip configuration

[Svyatoslav Ryhel]

вт, 28 лип. 2026 р. о 15:13 Mikko Perttunen <mperttunen@xxxxxxxxxx> пише:
>
> On Tuesday, July 21, 2026 7:10 PM Svyatoslav Ryhel wrote:
> > Drop reset GPIO from bluetooth part. Add lpo clock to both WiFi and
> > bluetooth nodes. Add 'brcm,bcm43340-fmac' as primary compatible and
> > 'brcm,bcm4329-fmac' remains as fallback.
> >
> > Signed-off-by: Svyatoslav Ryhel <clamor95@xxxxxxxxx>
> > ---
> >  arch/arm/boot/dts/nvidia/tegra114-asus-tf701t.dts | 13 ++++++++-----
> >  1 file changed, 8 insertions(+), 5 deletions(-)
> >
> > diff --git a/arch/arm/boot/dts/nvidia/tegra114-asus-tf701t.dts b/arch/arm/boot/dts/nvidia/tegra114-asus-tf701t.dts
> > index 3de5c84d5f009..b71a02b3fd86f 100644
> > --- a/arch/arm/boot/dts/nvidia/tegra114-asus-tf701t.dts
> > +++ b/arch/arm/boot/dts/nvidia/tegra114-asus-tf701t.dts
> > @@ -1300,8 +1300,9 @@ bluetooth {
> >                       compatible = "brcm,bcm4334-bt";
> >                       max-speed = <4000000>;
> >
> > -                     clocks = <&tegra_pmc TEGRA_PMC_CLK_BLINK>;
> > -                     clock-names = "txco";
> > +                     clocks = <&tegra_pmc TEGRA_PMC_CLK_BLINK>,
> > +                              <&palmas_clk32k>;
> > +                     clock-names = "txco", "lpo";
> >
> >                       interrupt-parent = <&gpio>;
> >                       interrupts = <TEGRA_GPIO(U, 6) IRQ_TYPE_EDGE_RISING>;
> > @@ -1309,7 +1310,6 @@ bluetooth {
> >
> >                       device-wakeup-gpios = <&gpio TEGRA_GPIO(EE, 1) GPIO_ACTIVE_HIGH>;
> >                       shutdown-gpios = <&gpio TEGRA_GPIO(Q, 7) GPIO_ACTIVE_HIGH>;
> > -                     reset-gpios = <&gpio TEGRA_GPIO(Q, 6) GPIO_ACTIVE_LOW>;
>
> I'd appreciate a note in the commit message on why this is dropped.
>

It does not comply schema for "brcm,bcm4334-bt", further testing with
this reset gpio removed confirmed that it has nothing to do with
bluetooth and bluetooth works just fine without it.

> >
> >                       vbat-supply = <&vdd_3v3_com>;
> >                       vddio-supply = <&vdd_1v8_vio>;
> > @@ -1450,7 +1450,7 @@ palmas_gpio: gpio {
> >                               #gpio-cells = <2>;
> >                       };
> >
> > -                     palmas_clk32kg@0 {
> > +                     palmas_clk32k: palmas_clk32kg@0 {
> >                               compatible = "ti,palmas-clk32kg";
> >                               #clock-cells = <0>;
> >                       };
> > @@ -2382,9 +2382,12 @@ mmc@78000000 {
> >               vqmmc-supply = <&vdd_1v8_vio>;
> >
> >               wifi@1 {
> > -                     compatible = "brcm,bcm4329-fmac";
> > +                     compatible = "brcm,bcm43340-fmac", "brcm,bcm4329-fmac";
> >                       reg = <1>;
> >
> > +                     clocks = <&palmas_clk32k>;
> > +                     clock-names = "lpo";
> > +
> >                       interrupt-parent = <&gpio>;
> >                       interrupts = <TEGRA_GPIO(U, 5) IRQ_TYPE_LEVEL_HIGH>;
> >                       interrupt-names = "host-wake";
> > --
> > 2.53.0
> >
> >