ethernet: add ksz8041 in basic ethernet example

Author: suda-morris

components/esp_eth/include/esp_eth_phy.h

@@ -240,29 +240,30 @@ esp_eth_phy_t *esp_eth_phy_new_lan8720(const eth_phy_config_t *config);
 */
 esp_eth_phy_t *esp_eth_phy_new_dp83848(const eth_phy_config_t *config);
 
-#if CONFIG_ETH_SPI_ETHERNET_DM9051
 /**
-* @brief Create a PHY instance of DM9051
+* @brief Create a PHY instance of KSZ8041
 *
 * @param[in] config: configuration of PHY
 *
 * @return
 *      - instance: create PHY instance successfully
 *      - NULL: create PHY instance failed because some error occurred
 */
-esp_eth_phy_t *esp_eth_phy_new_dm9051(const eth_phy_config_t *config);
+esp_eth_phy_t *esp_eth_phy_new_ksz8041(const eth_phy_config_t *config);
 
+#if CONFIG_ETH_SPI_ETHERNET_DM9051
 /**
-* @brief Create a PHY instance of KSZ8041
+* @brief Create a PHY instance of DM9051
 *
 * @param[in] config: configuration of PHY
 *
 * @return
 *      - instance: create PHY instance successfully
 *      - NULL: create PHY instance failed because some error occurred
 */
-esp_eth_phy_t *esp_eth_phy_new_ksz8041(const eth_phy_config_t *config);
+esp_eth_phy_t *esp_eth_phy_new_dm9051(const eth_phy_config_t *config);
 #endif
+
 #ifdef __cplusplus
 }
 #endif

components/esp_eth/src/esp_eth_phy_ksz8041.c

@@ -20,6 +20,7 @@
 #include "freertos/FreeRTOS.h"
 #include "freertos/task.h"
 #include "driver/gpio.h"
+#include "esp_rom_gpio.h"
 
 static const char *TAG = "ksz8041";
 #define PHY_CHECK(a, str, goto_tag, ...)                                          \
@@ -166,7 +167,7 @@ static esp_err_t ksz8041_reset_hw(esp_eth_phy_t *phy)
 {
     phy_ksz8041_t *ksz8041 = __containerof(phy, phy_ksz8041_t, parent);
     if (ksz8041->reset_gpio_num >= 0) {
-        gpio_pad_select_gpio(ksz8041->reset_gpio_num);
+        esp_rom_gpio_pad_select_gpio(ksz8041->reset_gpio_num);
         gpio_set_direction(ksz8041->reset_gpio_num, GPIO_MODE_OUTPUT);
         gpio_set_level(ksz8041->reset_gpio_num, 0);
         gpio_set_level(ksz8041->reset_gpio_num, 1);

examples/ethernet/basic/main/Kconfig.projbuild

@@ -52,6 +52,12 @@ menu "Example Configuration"
                 help
                     DP83848 is a single port 10/100Mb/s Ethernet Physical Layer Transceiver.
                     Goto http://www.ti.com/product/DP83848J for more information about it.
+
+            config EXAMPLE_ETH_PHY_KSZ8041
+                bool "KSZ8041"
+                help
+                    The KSZ8041 is a single supply 10Base-T/100Base-TX Physical Layer Transceiver.
+                    Goto https://www.microchip.com/wwwproducts/en/KSZ8041 for more information about it.
         endchoice
 
         config EXAMPLE_ETH_MDC_GPIO

examples/ethernet/basic/main/ethernet_example_main.c

@@ -93,6 +93,8 @@ void app_main(void)
     esp_eth_phy_t *phy = esp_eth_phy_new_lan8720(&phy_config);
 #elif CONFIG_EXAMPLE_ETH_PHY_DP83848
     esp_eth_phy_t *phy = esp_eth_phy_new_dp83848(&phy_config);
+#elif CONFIG_EXAMPLE_ETH_PHY_KSZ8041
+    esp_eth_phy_t *phy = esp_eth_phy_new_ksz8041(&phy_config);
 #endif
 #elif CONFIG_EXAMPLE_USE_DM9051
     gpio_install_isr_service(0);