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

[Mikko Perttunen <mperttunen@nvidia.com>]

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@gmail.com>
> ---
>  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
> 
>