--- a/Documentation/devicetree/bindings/net/wireless/qca,ath9k.txt +++ b/Documentation/devicetree/bindings/net/wireless/qca,ath9k.txt @@ -34,6 +34,14 @@ Optional properties: ath9k wireless chip (in this case the calibration / EEPROM data will be loaded from userspace using the kernel firmware loader). +- qca,disable-2ghz: Overrides the settings from the EEPROM and disables the + 2.4GHz band. Setting this property is only needed + when the RF circuit does not support the 2.4GHz band + while it is enabled nevertheless in the EEPROM. +- qca,disable-5ghz: Overrides the settings from the EEPROM and disables the + 5GHz band. Setting this property is only needed when + the RF circuit does not support the 5GHz band while + it is enabled nevertheless in the EEPROM. - mac-address: See ethernet.txt in the parent directory - local-mac-address: See ethernet.txt in the parent directory --- a/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c @@ -571,6 +571,12 @@ static int ath9k_of_init(struct ath_soft ath_dbg(common, CONFIG, "parsing configuration from OF node\n"); + if (of_property_read_bool(np, "qca,disable-2ghz")) + ah->disable_2ghz = true; + + if (of_property_read_bool(np, "qca,disable-5ghz")) + ah->disable_5ghz = true; + if (of_property_read_bool(np, "qca,no-eeprom")) { /* ath9k-eeprom--.bin */ scnprintf(eeprom_name, sizeof(eeprom_name),