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author | johnwc_yeh <johnwc_yeh@compal.corp-partner.google.com> | 2021-05-13 13:24:19 +0800 |
---|---|---|
committer | Commit Bot <commit-bot@chromium.org> | 2021-05-13 18:42:29 +0000 |
commit | b3dbf4f3bd30cc057801cad4d93ebca4d00331e7 (patch) | |
tree | a13297a518b4851922b9e4ead2c378bad5d0033d | |
parent | c326589f9ba1f0b8a3a58020a4421c4ea8e66b6d (diff) | |
download | chrome-ec-b3dbf4f3bd30cc057801cad4d93ebca4d00331e7.tar.gz |
cret: Add thermistors
This change adds the temperature sensors for cret, which are hooked
up to 2 of the ADCs.
BUG=b:187894632
BRANCH=dedede
TEST=build and test on cret board. Can obtain value via ectool cmd.
Signed-off-by: johnwc_yeh <johnwc_yeh@compal.corp-partner.google.com>
Change-Id: I7d07c36e80b95b149d503fd9e37999291c21d5f4
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2891675
Reviewed-by: Elthan Huang <elthan_huang@compal.corp-partner.google.com>
Reviewed-by: Aseda Aboagye <aaboagye@chromium.org>
Commit-Queue: Aseda Aboagye <aaboagye@chromium.org>
-rw-r--r-- | board/cret/board.c | 15 | ||||
-rw-r--r-- | board/cret/board.h | 12 |
2 files changed, 27 insertions, 0 deletions
diff --git a/board/cret/board.c b/board/cret/board.c index 9c156d03b5..bcba5138a9 100644 --- a/board/cret/board.c +++ b/board/cret/board.c @@ -20,6 +20,7 @@ #include "driver/charger/isl923x.h" #include "driver/tcpm/raa489000.h" #include "driver/tcpm/tcpci.h" +#include "driver/temp_sensor/thermistor.h" #include "driver/usb_mux/pi3usb3x532.h" #include "extpower.h" #include "gpio.h" @@ -38,6 +39,7 @@ #include "system.h" #include "tablet_mode.h" #include "task.h" +#include "temp_sensor.h" #include "usb_mux.h" #include "usb_pd.h" #include "usb_pd_tcpm.h" @@ -415,6 +417,19 @@ struct motion_sensor_t motion_sensors[] = { unsigned int motion_sensor_count = ARRAY_SIZE(motion_sensors); +/* Thermistors */ +const struct temp_sensor_t temp_sensors[] = { + [TEMP_SENSOR_1] = {.name = "Memory", + .type = TEMP_SENSOR_TYPE_BOARD, + .read = get_temp_3v3_51k1_47k_4050b, + .idx = ADC_TEMP_SENSOR_1}, + [TEMP_SENSOR_2] = {.name = "Charger", + .type = TEMP_SENSOR_TYPE_BOARD, + .read = get_temp_3v3_51k1_47k_4050b, + .idx = ADC_TEMP_SENSOR_2}, +}; +BUILD_ASSERT(ARRAY_SIZE(temp_sensors) == TEMP_SENSOR_COUNT); + __override void ocpc_get_pid_constants(int *kp, int *kp_div, int *ki, int *ki_div, int *kd, int *kd_div) diff --git a/board/cret/board.h b/board/cret/board.h index eb7cd3faf1..e59292bd86 100644 --- a/board/cret/board.h +++ b/board/cret/board.h @@ -130,6 +130,12 @@ #define CONFIG_TABLET_MODE_SWITCH #define CONFIG_GMR_TABLET_MODE +/* Thermistors */ +#define CONFIG_TEMP_SENSOR +#define CONFIG_THERMISTOR +#define CONFIG_STEINHART_HART_3V3_51K1_47K_4050B +#define CONFIG_TEMP_SENSOR_POWER_GPIO GPIO_EN_PP3300_A + #ifndef __ASSEMBLER__ #include "gpio_signal.h" @@ -149,6 +155,12 @@ enum sensor_id { SENSOR_COUNT }; +enum temp_sensor_id { + TEMP_SENSOR_1, + TEMP_SENSOR_2, + TEMP_SENSOR_COUNT +}; + enum pwm_channel { PWM_CH_KBLIGHT, PWM_CH_LED1_AMBER, |