Re: [PATCH v2 07/10] ARM: tegra: tf701t: Fix BCM43341 WiFi/BT chip configuration
From: Mikko Perttunen
Date: Tue Jul 28 2026 - 08:24:22 EST
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.
>
> 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
>
>