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change(flash): acquire the LDO channel used by flash

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so that even if the same channel has other consumers, the voltage won't
be changed
This commit is contained in:
morris
2024-03-25 18:23:59 +08:00
parent cf59c00564
commit 5369b68bc8
2 changed files with 40 additions and 1 deletions
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16
components/spi_flash/esp_flash_spi_init.c
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -15,6 +15,7 @@
#include "esp_heap_caps.h"
#include "hal/spi_types.h"
#include "esp_private/spi_share_hw_ctrl.h"
#include "esp_ldo_regulator.h"
#include "hal/spi_flash_hal.h"
#include "hal/gpio_hal.h"
#include "esp_flash_internal.h"
@@ -420,6 +421,19 @@ esp_err_t esp_flash_init_default_chip(void)
esp_err_t esp_flash_app_init(void)
{
esp_err_t err = ESP_OK;
// Acquire the LDO channel used by the SPI NOR flash
// in case the LDO voltage is changed by other users
#if defined(CONFIG_ESP_LDO_CHAN_SPI_NOR_FLASH_DOMAIN) && CONFIG_ESP_LDO_CHAN_SPI_NOR_FLASH_DOMAIN != -1
static esp_ldo_channel_handle_t s_ldo_chan = NULL;
esp_ldo_channel_config_t ldo_config = {
.chan_id = CONFIG_ESP_LDO_CHAN_SPI_NOR_FLASH_DOMAIN,
.voltage_mv = CONFIG_ESP_LDO_VOLTAGE_SPI_NOR_FLASH_DOMAIN,
};
err = esp_ldo_acquire_channel(&ldo_config, &s_ldo_chan);
if (err != ESP_OK) return err;
#endif
spi_flash_init_lock();
spi_flash_guard_set(&g_flash_guard_default_ops);
#if CONFIG_SPI_FLASH_ENABLE_COUNTERS