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fix(esp_eth): ip101-specific reset_hw to match reset timings from datasheet

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IP101 requires 10ms reset assertion time and 10ms post-reset delay to properly initialize.
This commit is contained in:
Bogdan Kolendovskyy
2024-02-07 11:24:17 +01:00
parent b2146b8aa3
commit bf73313e42
1 changed files with 5 additions and 1 deletions
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6
components/esp_eth/src/esp_eth_phy_ip101.c
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@@ -26,6 +26,9 @@
static const char *TAG = "ip101"; static const char *TAG = "ip101";
#define IP101_PHY_RESET_ASSERTION_TIME_MS 10
#define IP101_PHY_POST_RESET_INIT_TIME_MS 10
/***************Vendor Specific Register***************/ /***************Vendor Specific Register***************/
/** /**
@@ -224,8 +227,9 @@ static esp_err_t ip101_reset_hw(esp_eth_phy_t *phy)
esp_rom_gpio_pad_select_gpio(ip101->reset_gpio_num); esp_rom_gpio_pad_select_gpio(ip101->reset_gpio_num);
gpio_set_direction(ip101->reset_gpio_num, GPIO_MODE_OUTPUT); gpio_set_direction(ip101->reset_gpio_num, GPIO_MODE_OUTPUT);
gpio_set_level(ip101->reset_gpio_num, 0); gpio_set_level(ip101->reset_gpio_num, 0);
esp_rom_delay_us(100); // insert min input assert time vTaskDelay(pdMS_TO_TICKS(IP101_PHY_RESET_ASSERTION_TIME_MS));
gpio_set_level(ip101->reset_gpio_num, 1); gpio_set_level(ip101->reset_gpio_num, 1);
vTaskDelay(pdMS_TO_TICKS(IP101_PHY_POST_RESET_INIT_TIME_MS));
} }
return ESP_OK; return ESP_OK;
} }