From ff88f4281919b924953f77ba1ad726cf5a0ae873 Mon Sep 17 00:00:00 2001 From: zlq Date: Tue, 9 May 2023 19:40:53 +0800 Subject: [PATCH] H2:fix tsensor issue @low temp --- components/esp_hw_support/port/esp32h2/pmu_init.c | 3 +++ components/soc/esp32h2/include/soc/regi2c_bias.h | 6 +++++- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/components/esp_hw_support/port/esp32h2/pmu_init.c b/components/esp_hw_support/port/esp32h2/pmu_init.c index 4de7bc5857..c26505d4b3 100644 --- a/components/esp_hw_support/port/esp32h2/pmu_init.c +++ b/components/esp_hw_support/port/esp32h2/pmu_init.c @@ -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); diff --git a/components/soc/esp32h2/include/soc/regi2c_bias.h b/components/soc/esp32h2/include/soc/regi2c_bias.h index 512cb54989..1bd7a42029 100644 --- a/components/soc/esp32h2/include/soc/regi2c_bias.h +++ b/components/soc/esp32h2/include/soc/regi2c_bias.h @@ -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