Merge branch 'bugfix/eth_insert_min_hw_reset_time_v4.0' into 'release…

…/v4.0' ethernet: insert min assert time for PHY HW reset (v4.0) See merge request espressif/esp-idf!9581
espressif · Jul 13, 2020 · 5a99038 · 5a99038
2 parents 80e0be6 + 0100d70
commit 5a99038
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diff --git a/components/esp_eth/src/esp_eth_phy_dm9051.c b/components/esp_eth/src/esp_eth_phy_dm9051.c
@@ -192,6 +192,7 @@ static esp_err_t dm9051_reset_hw(esp_eth_phy_t *phy)
         gpio_pad_select_gpio(dm9051->reset_gpio_num);
         gpio_set_direction(dm9051->reset_gpio_num, GPIO_MODE_OUTPUT);
         gpio_set_level(dm9051->reset_gpio_num, 0);
+        ets_delay_us(100); // insert min input assert time
         gpio_set_level(dm9051->reset_gpio_num, 1);
     }
     return ESP_OK;

diff --git a/components/esp_eth/src/esp_eth_phy_dp83848.c b/components/esp_eth/src/esp_eth_phy_dp83848.c
@@ -181,6 +181,7 @@ static esp_err_t dp83848_reset_hw(esp_eth_phy_t *phy)
         gpio_pad_select_gpio(dp83848->reset_gpio_num);
         gpio_set_direction(dp83848->reset_gpio_num, GPIO_MODE_OUTPUT);
         gpio_set_level(dp83848->reset_gpio_num, 0);
+        ets_delay_us(100); // insert min input assert time
         gpio_set_level(dp83848->reset_gpio_num, 1);
     }
     return ESP_OK;

diff --git a/components/esp_eth/src/esp_eth_phy_ip101.c b/components/esp_eth/src/esp_eth_phy_ip101.c
@@ -221,6 +221,7 @@ static esp_err_t ip101_reset_hw(esp_eth_phy_t *phy)
         gpio_pad_select_gpio(ip101->reset_gpio_num);
         gpio_set_direction(ip101->reset_gpio_num, GPIO_MODE_OUTPUT);
         gpio_set_level(ip101->reset_gpio_num, 0);
+        ets_delay_us(100); // insert min input assert time
         gpio_set_level(ip101->reset_gpio_num, 1);
     }
     return ESP_OK;

diff --git a/components/esp_eth/src/esp_eth_phy_lan8720.c b/components/esp_eth/src/esp_eth_phy_lan8720.c
@@ -266,6 +266,7 @@ static esp_err_t lan8720_reset_hw(esp_eth_phy_t *phy)
         gpio_pad_select_gpio(lan8720->reset_gpio_num);
         gpio_set_direction(lan8720->reset_gpio_num, GPIO_MODE_OUTPUT);
         gpio_set_level(lan8720->reset_gpio_num, 0);
+        ets_delay_us(100); // insert min input assert time
         gpio_set_level(lan8720->reset_gpio_num, 1);
     }
     return ESP_OK;

diff --git a/components/esp_eth/src/esp_eth_phy_rtl8201.c b/components/esp_eth/src/esp_eth_phy_rtl8201.c
@@ -175,6 +175,7 @@ static esp_err_t rtl8201_reset_hw(esp_eth_phy_t *phy)
         gpio_pad_select_gpio(rtl8201->reset_gpio_num);
         gpio_set_direction(rtl8201->reset_gpio_num, GPIO_MODE_OUTPUT);
         gpio_set_level(rtl8201->reset_gpio_num, 0);
+        ets_delay_us(100); // insert min input assert time
         gpio_set_level(rtl8201->reset_gpio_num, 1);
     }
     return ESP_OK;