CYW43438
1x1 Single-band Wi-Fi 4 (802.11n) + Bluetooth® 5.1 combo

Infineon’s AIROC™ CYW43438 single-chip combo device features 1x1 single-band 2.4 GHz Wi-Fi 4 (802.11n) and Bluetooth® 5.1 is a reliable entry-level solution for low-cost applications. A small form-factor with minimal external components drives down mass production costs.

Datasheet: https://www.infineon.com/dgdl/Infineon-YW43438_Single-Chip_IEEE_802_11_b_g_n_MAC_Baseband_Radio_with_Integrated_Bluetooth_5-DataSheet-v16_00-EN.pdf?fileId=8ac78c8c882315570188262f3ff11a8a

Infineon-cypress-fmac-v5.10.9-2021_1020.zip-Software-v01_00-EN
https://www.infineon.com/dgdl/Infineon-cypress-fmac-v5.10.9-2021_1020.zip-Software-v01_00-EN.zip?fileId=8ac78c8c7d718a49017d99a1110f3136

Infineon-cypress-fmac-v5.4.18-2021_0527.zip-Software-v01_00-EN
https://www.infineon.com/dgdl/Infineon-cypress-fmac-v5.4.18-2021_0527.zip-Software-v01_00-EN.zip?fileId=8ac78c8c7d718a49017d998f62793130

驱动匹配名称：compatible = "brcm,bcm4329-fmac";
匹配到的驱动文件名：cypress-backports-v5.10.9-2021_1020-module-src.tar.gz/v5.10.9-backports/drivers/net/wireless/broadcom/brcm80211/brcmfmac/of.c