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Merge branch 'bugfix/LAN8720_reset_assertion' into 'master'

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Increased LAN8720 ETH-PHY reset assertion time

Closes IDFGH-6132 and IDFGH-6018

See merge request espressif/esp-idf!15636
This commit is contained in:
David Čermák 2021-11-03 16:29:09 +00:00
commit 9466fd1e16
2 changed files with 8 additions and 15 deletions
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22
components/esp_eth/src/esp_eth_phy_lan87xx.c
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@ -1,16 +1,9 @@
// Copyright 2019-2021 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
/*
* SPDX-FileCopyrightText: 2019-2021 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <string.h>
#include <stdlib.h>
#include <sys/cdefs.h>
@ -337,7 +330,8 @@ static esp_err_t lan87xx_reset_hw(esp_eth_phy_t *phy)
esp_rom_gpio_pad_select_gpio(lan87xx->reset_gpio_num);
gpio_set_direction(lan87xx->reset_gpio_num, GPIO_MODE_OUTPUT);
gpio_set_level(lan87xx->reset_gpio_num, 0);
esp_rom_delay_us(100); // insert min input assert time
/* assert nRST signal on LAN87xx a little longer than the minimum specified in datasheet */
esp_rom_delay_us(150);
gpio_set_level(lan87xx->reset_gpio_num, 1);
}
return ESP_OK;

1
tools/ci/check_copyright_ignore.txt
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@ -605,7 +605,6 @@ components/esp_eth/src/esp_eth_phy_dm9051.c
components/esp_eth/src/esp_eth_phy_dp83848.c
components/esp_eth/src/esp_eth_phy_ip101.c
components/esp_eth/src/esp_eth_phy_ksz8851snl.c
components/esp_eth/src/esp_eth_phy_lan87xx.c
components/esp_eth/src/esp_eth_phy_rtl8201.c
components/esp_eth/src/esp_eth_phy_w5500.c
components/esp_eth/src/ksz8851.h