[PATCH v2 4/6] arm64: dts: imx8mp-var-som: Add WiFi and Bluetooth support
Krzysztof Kozlowski
krzk at kernel.org
Sat Dec 13 17:23:32 PST 2025
On 14/12/2025 00:09, Stefano Radaelli wrote:
> Add device tree nodes for the WiFi and Bluetooth module mounted on the
> VAR-SOM-MX8MP. The module can be based on either the NXP IW612 or IW611
> chipset, depending on the configuration chosen by the customer.
>
> Regardless of the chipset used, WiFi communicates over SDIO and Bluetooth
> over UART.
>
> Signed-off-by: Stefano Radaelli <stefano.r at variscite.com>
> ---
> .../boot/dts/freescale/imx8mp-var-som.dtsi | 93 +++++++++++++++++++
> 1 file changed, 93 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-var-som.dtsi b/arch/arm64/boot/dts/freescale/imx8mp-var-som.dtsi
> index 5bba91dcef17..e7f5ec10cbac 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp-var-som.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-var-som.dtsi
> @@ -21,6 +21,15 @@ memory at 40000000 {
> <0x1 0x00000000 0 0xc0000000>;
> };
>
> + iw61x_pwrseq: wifi-pwrseq {
> + compatible = "mmc-pwrseq-simple";
> + post-power-on-delay-ms = <100>;
> + power-off-delay-us = <10000>;
> + reset-gpios = <&gpio2 8 GPIO_ACTIVE_LOW>, /* WIFI_RESET */
> + <&gpio2 19 GPIO_ACTIVE_LOW>; /* WIFI_PWR_EN */
> + status = "okay";
Did you disable it anywhere before?
Best regards,
Krzysztof
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