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List: linux-iio
Subject: Re: [PATCH 02/10 v4] iio: pressure: bmp280: support device tree initialization
From: Jonathan Cameron <jic23 () kernel ! org>
Date: 2016-06-30 19:24:43
Message-ID: 9cd6e0c8-a844-0e38-0177-2d6e3d5b5557 () kernel ! org
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On 30/06/16 02:48, Linus Walleij wrote:
> This adds device tree support to the BMP085, BMP180 and BMP280
> pressure sensors. Tested on the Qualcomm APQ8060 Dragonboard:
>
> iio:device1$ cat in_temp_input
> 26700
> iio:device1$ cat in_pressure_input
> 99.185000000
>
> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Applied.
> ---
> ChangeLog v3->v4:
> - No real changes.
> ChangeLog v2->v3:
> - Terminate OF ID table properly with an { }
> ChangeLog v1->v2:
> - Fix some BMP085 misspelled as BMP058 errors.
> - Add the new BME280 sensor as well
> ---
> drivers/iio/pressure/bmp280.c | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
>
> diff --git a/drivers/iio/pressure/bmp280.c b/drivers/iio/pressure/bmp280.c
> index 1876b50cc84a..fa76f5851245 100644
> --- a/drivers/iio/pressure/bmp280.c
> +++ b/drivers/iio/pressure/bmp280.c
> @@ -18,6 +18,7 @@
> #include <linux/module.h>
> #include <linux/i2c.h>
> #include <linux/acpi.h>
> +#include <linux/of.h>
> #include <linux/regmap.h>
> #include <linux/delay.h>
> #include <linux/iio/iio.h>
> @@ -1094,6 +1095,19 @@ static const struct acpi_device_id bmp280_acpi_match[] = {
> };
> MODULE_DEVICE_TABLE(acpi, bmp280_acpi_match);
>
> +#ifdef CONFIG_OF
> +static const struct of_device_id bmp280_of_match[] = {
> + { .compatible = "bosch,bme280", .data = (void *)BME280_CHIP_ID },
> + { .compatible = "bosch,bmp280", .data = (void *)BMP280_CHIP_ID },
> + { .compatible = "bosch,bmp180", .data = (void *)BMP180_CHIP_ID },
> + { .compatible = "bosch,bmp085", .data = (void *)BMP180_CHIP_ID },
> + { },
> +};
> +MODULE_DEVICE_TABLE(of, bmp280_of_match);
> +#else
> +#define bmp280_of_match NULL
> +#endif
> +
> static const struct i2c_device_id bmp280_id[] = {
> {"bmp280", BMP280_CHIP_ID },
> {"bmp180", BMP180_CHIP_ID },
> @@ -1107,6 +1121,7 @@ static struct i2c_driver bmp280_driver = {
> .driver = {
> .name = "bmp280",
> .acpi_match_table = ACPI_PTR(bmp280_acpi_match),
> + .of_match_table = of_match_ptr(bmp280_of_match),
> },
> .probe = bmp280_probe,
> .id_table = bmp280_id,
>
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