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H2:fix tsensor issue @low temp

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This commit is contained in:
zlq 2023-05-09 19:40:53 +08:00
parent b1f7fbdbf6
commit ff88f42819
2 changed files with 8 additions and 1 deletions
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3
components/esp_hw_support/port/esp32h2/pmu_init.c
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@ -15,6 +15,7 @@
#include "pmu_param.h"
#include "esp_private/esp_pmu.h"
#include "soc/regi2c_pmu.h"
#include "soc/regi2c_bias.h"
#include "regi2c_ctrl.h"
// TODO: IDF-6267
@ -205,6 +206,8 @@ void pmu_init()
REGI2C_WRITE_MASK(I2C_PMU, I2C_PMU_OR_XPD_DIG_REG, 0);
REGI2C_WRITE_MASK(I2C_PMU, I2C_PMU_OR_XPD_TRX, 0);
REGI2C_WRITE_MASK(I2C_BIAS, I2C_BIAS_DREG_0P8, 8); // fix low temp issue, need to increase this internal voltage
WRITE_PERI_REG(PMU_POWER_PD_TOP_CNTL_REG, 0);
WRITE_PERI_REG(PMU_POWER_PD_HPAON_CNTL_REG, 0);
WRITE_PERI_REG(PMU_POWER_PD_HPCPU_CNTL_REG, 0);

6
components/soc/esp32h2/include/soc/regi2c_bias.h
View File

@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -17,6 +17,10 @@
#define I2C_BIAS 0X6A
#define I2C_BIAS_HOSTID 0
#define I2C_BIAS_DREG_0P8 0
#define I2C_BIAS_DREG_0P8_MSB 7
#define I2C_BIAS_DREG_0P8_LSB 4
#define I2C_BIAS_DREG_1P1_PVT 1
#define I2C_BIAS_DREG_1P1_PVT_MSB 3
#define I2C_BIAS_DREG_1P1_PVT_LSB 0