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feat(sdmmc): use ldo as power supply on esp32p4

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This commit is contained in:
Armando
2023-12-29 15:55:34 +08:00
parent 20f80a2d05
commit 847d525d78
4 changed files with 41 additions and 9 deletions
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29
components/esp_driver_sdmmc/src/sdmmc_host.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
*/
@@ -19,6 +19,7 @@
#include "driver/gpio.h"
#include "driver/sdmmc_host.h"
#include "esp_private/periph_ctrl.h"
#include "esp_private/esp_ldo.h"
#include "sdmmc_private.h"
#include "freertos/FreeRTOS.h"
#include "freertos/semphr.h"
@@ -54,6 +55,7 @@ typedef struct slot_ctx_t {
size_t slot_width;
sdmmc_slot_io_info_t slot_gpio_num;
bool use_gpio_matrix;
esp_ldo_unit_handle_t ldo_unit;
} slot_ctx_t;
/**
@@ -662,6 +664,21 @@ esp_err_t sdmmc_host_init_slot(int slot, const sdmmc_slot_config_t *slot_config)
if (ret != ESP_OK) {
return ret;
}
#if SOC_MULTI_USAGE_LDO_SUPPORTED
esp_ldo_unit_init_cfg_t init_ldo_cfg = {
.unit_id = LDO_UNIT_4,
.cfg = {
.voltage_mv = 3300,
},
.flags.shared_ldo = true,
};
esp_ldo_unit_handle_t ldo_unit = NULL;
ESP_RETURN_ON_ERROR(esp_ldo_init_unit(&init_ldo_cfg, &ldo_unit), TAG, "LDO init failed");
ESP_RETURN_ON_ERROR(esp_ldo_enable_unit(ldo_unit), TAG, "LDO enable failed");
s_host_ctx.slot_ctx[slot].ldo_unit = ldo_unit;
#endif
return ESP_OK;
}
@@ -683,6 +700,16 @@ esp_err_t sdmmc_host_deinit(void)
sdmmc_ll_enable_bus_clock(s_host_ctx.hal.dev, false);
}
#if SOC_MULTI_USAGE_LDO_SUPPORTED
for (int i = 0; i < SOC_SDMMC_NUM_SLOTS; i++) {
if (s_host_ctx.slot_ctx[i].ldo_unit) {
ESP_RETURN_ON_ERROR(esp_ldo_disable_unit(s_host_ctx.slot_ctx[i].ldo_unit), TAG, "LDO disable failed");
ESP_RETURN_ON_ERROR(esp_ldo_deinit_unit(s_host_ctx.slot_ctx[i].ldo_unit), TAG, "LDO deinit failed");
s_host_ctx.slot_ctx[i].ldo_unit = NULL;
}
}
#endif
return ESP_OK;
}