diff options
Diffstat (limited to 'zephyr/shim/include/temp_sensor/temp_sensor.h')
| -rw-r--r-- | zephyr/shim/include/temp_sensor/temp_sensor.h | 143 |
1 files changed, 112 insertions, 31 deletions
diff --git a/zephyr/shim/include/temp_sensor/temp_sensor.h b/zephyr/shim/include/temp_sensor/temp_sensor.h index 2c6eabe485..9be18987eb 100644 --- a/zephyr/shim/include/temp_sensor/temp_sensor.h +++ b/zephyr/shim/include/temp_sensor/temp_sensor.h @@ -1,4 +1,4 @@ -/* Copyright 2021 The Chromium OS Authors. All rights reserved. +/* Copyright 2021 The ChromiumOS Authors * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ @@ -8,53 +8,134 @@ #include <zephyr/devicetree.h> #include "include/temp_sensor.h" +#include "charger/chg_rt9490.h" #ifdef CONFIG_PLATFORM_EC_TEMP_SENSOR -#define ZSHIM_TEMP_SENSOR_ID(node_id) DT_STRING_UPPER_TOKEN(node_id, enum_name) -#define TEMP_SENSOR_ID_WITH_COMMA(node_id) ZSHIM_TEMP_SENSOR_ID(node_id), +#define PCT2075_COMPAT nxp_pct2075 +#define TMP112_COMPAT cros_ec_temp_sensor_tmp112 +#define SB_TSI_COMPAT amd_sb_tsi +#define THERMISTOR_COMPAT cros_ec_temp_sensor_thermistor +#define TEMP_SENSORS_COMPAT cros_ec_temp_sensors + +#define TEMP_SENSORS_NODEID DT_INST(0, TEMP_SENSORS_COMPAT) + +#define TEMP_RT9490_FN(node_id, fn) \ + COND_CODE_1(DT_NODE_HAS_PROP(node_id, thermistor), (fn(node_id)), ()) + +#define FOREACH_TEMP_SENSOR(fn) \ + DT_FOREACH_STATUS_OKAY(PCT2075_COMPAT, fn) \ + DT_FOREACH_STATUS_OKAY(TMP112_COMPAT, fn) \ + DT_FOREACH_STATUS_OKAY_VARGS(RT9490_CHG_COMPAT, TEMP_RT9490_FN, fn) \ + DT_FOREACH_STATUS_OKAY(SB_TSI_COMPAT, fn) \ + DT_FOREACH_STATUS_OKAY(THERMISTOR_COMPAT, fn) #define HAS_POWER_GOOD_PIN(node_id) DT_NODE_HAS_PROP(node_id, power_good_pin) || -#define ANY_INST_HAS_POWER_GOOD_PIN \ - (DT_FOREACH_STATUS_OKAY(cros_ec_temp_sensor, HAS_POWER_GOOD_PIN) \ - 0) + +#define ANY_INST_HAS_POWER_GOOD_PIN \ + (DT_FOREACH_CHILD(TEMP_SENSORS_NODEID, HAS_POWER_GOOD_PIN) 0) + +/* + * Get the enum temp_sensor_id value from a child node under + * "cros-ec,temp-sensors". + * + * Example devicetree fragment: + * + * temp_charger_thermistor: charger-thermistor { + * compatible = "cros-ec,temp-sensor-thermistor"; + * thermistor = <&thermistor_3V3_30K9_47K_4050B>; + * adc = <&adc_temp_charger>; + * }; + * + * named-temp-sensors { + * compatible = "cros-ec,temp-sensors"; + * temp_charger: charger-thermistor { + * temp_host_high = <100>; + * temp_host_halt = <105>; + * temp_host_release_high = <80>; + * sensor = <&temp_charger_thermistor>; + * }; + * }; + * + * Example usage to get the temperature sensor ID: + * + * TEMP_SENSOR_ID(DT_NODELABEL(temp_charger)) + * + * @param node_id: node id of a child of "cros-ec,temp-sensors" node + */ +#define TEMP_SENSOR_ID(node_id) DT_CAT(TEMP_SENSOR_, node_id) + +/* + * Get the enum temp_sensor_id value from a hardware device node. + * + * Example devicetree fragment: + * + * temp_charger_thermistor: charger-thermistor { + * compatible = "cros-ec,temp-sensor-thermistor"; + * thermistor = <&thermistor_3V3_30K9_47K_4050B>; + * adc = <&adc_temp_charger>; + * }; + * + * named-temp-sensors { + * compatible = "cros-ec,temp-sensors"; + * temp_charger: charger-thermistor { + * temp_host_high = <100>; + * temp_host_halt = <105>; + * temp_host_release_high = <80>; + * sensor = <&temp_charger_thermistor>; + * }; + * }; + * + * Example usage to get the temperature sensor ID: + * + * TEMP_SENSOR_ID_BY_DEV(DT_NODELABEL(temp_charger_thermistor)) + * + * which equals: + * + * TEMP_SENSOR_ID(DT_NODELABEL(temp_charger)) + * + * @param node_id: node id of a hardware device node + */ +#define TEMP_SENSOR_ID_BY_DEV(node_id) DT_CAT(TEMP_SENSOR_DEV, node_id) + +#define TEMP_SENSOR_ID_DEV(named_id) \ + TEMP_SENSOR_ID_BY_DEV(DT_PHANDLE(named_id, sensor)) = \ + TEMP_SENSOR_ID(named_id) enum temp_sensor_id { -#if DT_NODE_EXISTS(DT_PATH(named_temp_sensors)) - DT_FOREACH_CHILD(DT_PATH(named_temp_sensors), - TEMP_SENSOR_ID_WITH_COMMA) -#endif /* named_temp_sensors */ - TEMP_SENSOR_COUNT + DT_FOREACH_CHILD_SEP(TEMP_SENSORS_NODEID, TEMP_SENSOR_ID, (, )), + DT_FOREACH_CHILD_SEP(TEMP_SENSORS_NODEID, TEMP_SENSOR_ID_DEV, (, )), + TEMP_SENSOR_COUNT, }; -#undef TEMP_SENSOR_ID_WITH_COMMA - /* PCT2075 access array */ -#define ZSHIM_PCT2075_SENSOR_ID(node_id) DT_STRING_UPPER_TOKEN(node_id, \ - pct2075_name) -#define PCT2075_SENSOR_ID_WITH_COMMA(node_id) ZSHIM_PCT2075_SENSOR_ID(node_id), +/* + * Get the PCT2075 sensor ID from a hardware device node. + * + * @param node_id: node id of a hardware PCT2075 sensor node + */ +#define PCT2075_SENSOR_ID(node_id) DT_CAT(PCT2075_, node_id) +#define PCT2075_SENSOR_ID_WITH_COMMA(node_id) PCT2075_SENSOR_ID(node_id), enum pct2075_sensor { -#if DT_HAS_COMPAT_STATUS_OKAY(cros_ec_temp_sensor_pct2075) - DT_FOREACH_STATUS_OKAY(cros_ec_temp_sensor_pct2075, - PCT2075_SENSOR_ID_WITH_COMMA) -#endif - PCT2075_COUNT, + DT_FOREACH_STATUS_OKAY(PCT2075_COMPAT, PCT2075_SENSOR_ID_WITH_COMMA) + PCT2075_COUNT, }; #undef PCT2075_SENSOR_ID_WITH_COMMA /* TMP112 access array */ -#define ZSHIM_TMP112_SENSOR_ID(node_id) DT_STRING_UPPER_TOKEN(node_id, \ - tmp112_name) -#define TMP112_SENSOR_ID_WITH_COMMA(node_id) ZSHIM_TMP112_SENSOR_ID(node_id), +/* + * Get the TMP112 sensor ID from a hardware device node. + * + * @param node_id: node id of a hardware TMP112 sensor node + */ +#define TMP112_SENSOR_ID(node_id) DT_CAT(TMP112_, node_id) +#define TMP112_SENSOR_ID_WITH_COMMA(node_id) TMP112_SENSOR_ID(node_id), enum tmp112_sensor { -#if DT_HAS_COMPAT_STATUS_OKAY(cros_ec_temp_sensor_tmp112) - DT_FOREACH_STATUS_OKAY(cros_ec_temp_sensor_tmp112, - TMP112_SENSOR_ID_WITH_COMMA) -#endif - TMP112_COUNT, + DT_FOREACH_STATUS_OKAY(TMP112_COMPAT, TMP112_SENSOR_ID_WITH_COMMA) + TMP112_COUNT, }; #undef TMP112_SENSOR_ID_WITH_COMMA @@ -62,11 +143,11 @@ enum tmp112_sensor { struct zephyr_temp_sensor { /* Read sensor value in K into temp_ptr; return non-zero if error. */ int (*read)(const struct temp_sensor_t *sensor, int *temp_ptr); - struct thermistor_info *thermistor; + const struct thermistor_info *thermistor; #if ANY_INST_HAS_POWER_GOOD_PIN const struct device *power_good_dev; gpio_pin_t power_good_pin; -#endif +#endif /* ANY_INST_HAS_POWER_GOOD_PIN */ }; #endif /* CONFIG_PLATFORM_EC_TEMP_SENSOR */ |