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lp-i2c: Added support for LP I2C peripheral to LP core

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This commit adds support for the LP I2C peripheral driver to be used by
the LP core. An example is also added to demonstrate the usage of the LP
I2C peripheral from the LP core.
This commit is contained in:
Sudeep Mohanty
2023-03-20 16:08:38 +01:00
parent 224430f6b4
commit ec742abb25
27 changed files with 1246 additions and 198 deletions
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13
components/hal/esp32c6/include/hal/clk_gate_ll.h
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@@ -11,6 +11,7 @@
#include "soc/periph_defs.h"
#include "soc/pcr_reg.h"
#include "soc/soc.h"
#include "soc/lpperi_reg.h"
#include "esp_attr.h"
#ifdef __cplusplus
@@ -78,6 +79,9 @@ static inline uint32_t periph_ll_get_clk_en_mask(periph_module_t periph)
return PCR_SDIO_SLAVE_CLK_EN;
case PERIPH_REGDMA_MODULE:
return PCR_REGDMA_CLK_EN;
//TODO: LP_PERIPH modules are added temporarily and will be moved to a separate API (IDF-7374).
case PERIPH_LP_I2C0_MODULE:
return LPPERI_LP_EXT_I2C_CK_EN;
// case PERIPH_RNG_MODULE:
// return PCR_WIFI_CLK_RNG_EN;
// case PERIPH_WIFI_MODULE:
@@ -171,6 +175,9 @@ static inline uint32_t periph_ll_get_rst_en_mask(periph_module_t periph, bool en
return PCR_SDIO_SLAVE_RST_EN;
case PERIPH_REGDMA_MODULE:
return PCR_REGDMA_RST_EN;
//TODO: LP_PERIPH modules are added temporarily and will be moved to a separate API (IDF-7374).
case PERIPH_LP_I2C0_MODULE:
return LPPERI_LP_EXT_I2C_RESET_EN;
// case PERIPH_RNG_MODULE:
// return PCR_WIFI_CLK_RNG_EN;
// case PERIPH_WIFI_MODULE:
@@ -257,6 +264,9 @@ static uint32_t periph_ll_get_clk_en_reg(periph_module_t periph)
return PCR_SDIO_SLAVE_CONF_REG;
case PERIPH_REGDMA_MODULE:
return PCR_REGDMA_CONF_REG;
//TODO: LP_PERIPH modules are added temporarily and will be moved to a separate API (IDF-7374).
case PERIPH_LP_I2C0_MODULE:
return LPPERI_CLK_EN_REG;
default:
return 0;
}
@@ -323,6 +333,9 @@ static uint32_t periph_ll_get_rst_en_reg(periph_module_t periph)
return PCR_SDIO_SLAVE_CONF_REG;
case PERIPH_REGDMA_MODULE:
return PCR_REGDMA_CONF_REG;
//TODO: LP_PERIPH modules are added temporarily and will be moved to a separate API (IDF-7374).
case PERIPH_LP_I2C0_MODULE:
return LPPERI_RESET_EN_REG;
default:
return 0;
}