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[ethernet] Conditionally compile PHY-specific code to reduce flash usage (#10747)

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This commit is contained in:
J. Nick Koston
2025-09-15 18:46:07 -05:00
committed by GitHub
parent 4859fe67eb
commit f3ac21b3b4
4 changed files with 18 additions and 0 deletions
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4
esphome/components/ethernet/ethernet_component.cpp
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@@ -229,10 +229,12 @@ void EthernetComponent::setup() {
ESPHL_ERROR_CHECK(err, "ETH driver install error");
#ifndef USE_ETHERNET_SPI
#ifdef USE_ETHERNET_KSZ8081
if (this->type_ == ETHERNET_TYPE_KSZ8081RNA && this->clk_mode_ == EMAC_CLK_OUT) {
// KSZ8081RNA default is incorrect. It expects a 25MHz clock instead of the 50MHz we provide.
this->ksz8081_set_clock_reference_(mac);
}
#endif // USE_ETHERNET_KSZ8081
for (const auto &phy_register : this->phy_registers_) {
this->write_phy_register_(mac, phy_register);
@@ -721,6 +723,7 @@ bool EthernetComponent::powerdown() {
#ifndef USE_ETHERNET_SPI
#ifdef USE_ETHERNET_KSZ8081
constexpr uint8_t KSZ80XX_PC2R_REG_ADDR = 0x1F;
void EthernetComponent::ksz8081_set_clock_reference_(esp_eth_mac_t *mac) {
@@ -749,6 +752,7 @@ void EthernetComponent::ksz8081_set_clock_reference_(esp_eth_mac_t *mac) {
ESP_LOGVV(TAG, "KSZ8081 PHY Control 2: %s", format_hex_pretty((u_int8_t *) &phy_control_2, 2).c_str());
}
}
#endif // USE_ETHERNET_KSZ8081
void EthernetComponent::write_phy_register_(esp_eth_mac_t *mac, PHYRegister register_data) {
esp_err_t err;