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feat(ppa): add sleep retention support for DMA2D and PPA

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This commit is contained in:
Song Ruo Jing
2026-07-03 21:37:45 +08:00
parent c8d74d975a
commit de7b3abfe0
20 changed files with 609 additions and 157 deletions
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components/esp_driver_ppa/include/driver/ppa.h
+6 -1
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2023-2025 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2023-2026 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -39,6 +39,11 @@ typedef struct {
ppa_data_burst_length_t data_burst_length; /*!< The desired data burst length for all the transactions of the client.
Use a small burst length will decrease PPA performance, but can save burst bandwidth for other peripheral usages.
By default, it will be at the maximum burst length, `PPA_DATA_BURST_LENGTH_128` */
struct {
uint32_t allow_pd: 1; /*!< If set, driver allows the power domain to be powered off when system enters sleep mode.
This can save power, but at the expense of more RAM being consumed to save register context.
All clients must have the same value for this flag. */
} flags; /*!< Configuration flags */
} ppa_client_config_t;
/**