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feat(i2c): support hp & lp i2c on esp32s31

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This commit is contained in:
Chen Chen
2026-04-14 11:37:51 +08:00
parent 184c60d684
commit 0e785af44f
27 changed files with 1656 additions and 424 deletions
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components/esp_hal_i2c/esp32c6/i2c_periph.c
+4 -4
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2022-2024 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2022-2026 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -41,11 +41,11 @@ const i2c_signal_conn_t i2c_periph_signal[SOC_I2C_NUM] = {
Include: I2C_SCL_LOW_PERIOD_REG /
I2C_CTR_REG / I2C_TO_REG / I2C_SLAVE_ADDR_REG / I2C_FIFO_CONF_REG
I2C_INT_ENA_REG / I2C_SDA_HOLD_REG / I2C_SDA_SAMPLE_REG / I2C_SCL_START_HOLD_REG
I2C_SCL_RSTART_SETUP_REG / I2C_SCL_STOP_HOLD_REG / I2C_SCL_STOP_SETUP_REG /I2C_FILTER_CFG_REG / I2C_CLK_CONF_REG / I2C_SCL_ST_TIME_OUT_REG / I2C_SCL_MAIN_ST_TIME_OUT_REG / I2C_SCL_SP_CONF_REG / I2C_SCL_STRETCH_CONF_REG
I2C_SCL_RSTART_SETUP_REG / I2C_SCL_STOP_HOLD_REG / I2C_SCL_STOP_SETUP_REG /I2C_FILTER_CFG_REG / I2C_SCL_ST_TIME_OUT_REG / I2C_SCL_MAIN_ST_TIME_OUT_REG / I2C_SCL_SP_CONF_REG / I2C_SCL_STRETCH_CONF_REG
*/
#define I2C0_RETENTION_REGS_CNT 18
#define I2C0_RETENTION_REGS_CNT 17
#define I2C0_RETENTION_MAP_BASE I2C_SCL_LOW_PERIOD_REG(0)
static const uint32_t i2c0_regs_map[4] = {0xc03f345b, 0x3, 0, 0};
static const uint32_t i2c0_regs_map[4] = {0xc01f345b, 0x3, 0, 0};
static const regdma_entries_config_t i2c0_regs_retention[] = {
[0] = {
.config = REGDMA_LINK_ADDR_MAP_INIT(REGDMA_I2C_LINK(0x00), I2C0_RETENTION_MAP_BASE, I2C0_RETENTION_MAP_BASE, I2C0_RETENTION_REGS_CNT, 0, 0, i2c0_regs_map[0], i2c0_regs_map[1], i2c0_regs_map[2], i2c0_regs_map[3]), \