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sensor: tmp112: Convert to DTS

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Convert tmp112 sensor driver and sample app to utilize device tree.

Introduce a dts board overlay on the frdm_k64f board to ensure we at
least have a single platform in which the sample gets built.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
This commit is contained in:
Kumar Gala 2019-11-07 05:03:25 -06:00 • committed by Maureen Helm
commit b388b178a0
6 changed files with 37 additions and 34 deletions
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31
drivers/sensor/tmp112/Kconfig
View file

@ -3,7 +3,7 @@
# Copyright (c) 2016 Firmwave
# SPDX-License-Identifier: Apache-2.0
menuconfig TMP112
config TMP112
bool "TMP112 Temperature Sensor"
depends on I2C
help
@ -12,32 +12,3 @@ menuconfig TMP112
The TMP102 is compatible with the TMP112 but is less accurate and has
been successfully tested with this driver.
if TMP112
config TMP112_NAME
string "Driver name"
default "TMP112"
help
Device name with which the TMP112 sensor is identified.
config TMP112_I2C_ADDR
hex "I2C address for TMP112"
default 0x48
help
I2C address of the TMP112 sensor.
0x48: A0 connected GND and A1 connected to GND.
0x49: A0 connected VDD and A1 connected to GND.
0x4A: A0 connected SDA and A1 connected to GND.
0x4B: A0 connected SCL and A1 connected to GND.
config TMP112_I2C_MASTER_DEV_NAME
string "I2C master where TMP112 is connected"
default "I2C_0"
help
Specify the device name of the I2C master device to which the
TMP112 chip is connected.
endif # TMP112

8
drivers/sensor/tmp112/tmp112.c
View file

@ -15,7 +15,7 @@
LOG_MODULE_REGISTER(TMP112, CONFIG_SENSOR_LOG_LEVEL);
#define TMP112_I2C_ADDRESS CONFIG_TMP112_I2C_ADDR
#define TMP112_I2C_ADDRESS DT_INST_0_TI_TMP112_BASE_ADDRESS
#define TMP112_REG_TEMPERATURE 0x00
#define TMP112_D0_BIT BIT(0)
@ -195,10 +195,10 @@ int tmp112_init(struct device *dev)
{
struct tmp112_data *drv_data = dev->driver_data;
drv_data->i2c = device_get_binding(CONFIG_TMP112_I2C_MASTER_DEV_NAME);
drv_data->i2c = device_get_binding(DT_INST_0_TI_TMP112_BUS_NAME);
if (drv_data->i2c == NULL) {
LOG_DBG("Failed to get pointer to %s device!",
CONFIG_TMP112_I2C_MASTER_DEV_NAME);
DT_INST_0_TI_TMP112_BUS_NAME);
return -EINVAL;
}
@ -207,5 +207,5 @@ int tmp112_init(struct device *dev)
static struct tmp112_data tmp112_driver;
DEVICE_AND_API_INIT(tmp112, CONFIG_TMP112_NAME, tmp112_init, &tmp112_driver,
DEVICE_AND_API_INIT(tmp112, DT_INST_0_TI_TMP112_LABEL, tmp112_init, &tmp112_driver,
NULL, POST_KERNEL, CONFIG_SENSOR_INIT_PRIORITY, &tmp112_driver_api);

12
dts/bindings/sensor/ti,tmp112.yaml Normal file
View file

@ -0,0 +1,12 @@
# Copyright (c) 2019, Linaro Limited
# SPDX-License-Identifier: Apache-2.0
title: TI TMP112 Digital Temperature Sensor
description: |
TMP112 Digital Temperature Sensor. See more info at
https://www.ti.com/product/TMP112
compatible: "ti,tmp112"
include: i2c-device.yaml

13
samples/sensor/tmp112/boards/frdm_k64f.overlay Normal file
View file

@ -0,0 +1,13 @@
/*
* Copyright (c) 2019, Linaro Ltd.
*
* SPDX-License-Identifier: Apache-2.0
*/
&i2c0 {
tmp112@4a {
compatible = "ti,tmp112";
reg = <0x4a>;
label = "TMP112";
};
};

1
samples/sensor/tmp112/sample.yaml
View file

@ -5,6 +5,7 @@ tests:
harness: console
tags: sensors
depends_on: i2c
filter: dt_compat_enabled("ti,tmp112")
harness_config:
type: one_line
regex:

6
tests/drivers/build_all/dts_fixup.h
View file

@ -318,6 +318,12 @@
#define DT_INST_0_HOPERF_TH02_BASE_ADDRESS 0
#endif
#ifndef DT_INST_0_TI_TMP112_LABEL
#define DT_INST_0_TI_TMP112_LABEL ""
#define DT_INST_0_TI_TMP112_BASE_ADDRESS 0
#define DT_INST_0_TI_TMP112_BUS_NAME ""
#endif
#endif /* CONFIG_HAS_DTS_I2C */
#ifndef DT_ADXL372_DEV_NAME