Re: [PATCH] bmp085.yaml: transform DT documentation of iio sensor into YAML

From: Rob Herring
Date: Mon Apr 01 2019 - 02:17:36 EST


On Sun, Mar 31, 2019 at 11:48 AM Andreas Klinger <ak@xxxxxxxxxxxxx> wrote:
>
> use bmp085.txt and change it into yaml format
>
> fix links to datasheets in replaced documentation
>
> Signed-off-by: Andreas Klinger <ak@xxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/iio/pressure/bmp085.txt | 27 --------
> .../devicetree/bindings/iio/pressure/bmp085.yaml | 71 ++++++++++++++++++++++
> 2 files changed, 71 insertions(+), 27 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/iio/pressure/bmp085.txt
> create mode 100644 Documentation/devicetree/bindings/iio/pressure/bmp085.yaml
>
> diff --git a/Documentation/devicetree/bindings/iio/pressure/bmp085.txt b/Documentation/devicetree/bindings/iio/pressure/bmp085.txt
> deleted file mode 100644
> index 61c72e63c584..000000000000
> --- a/Documentation/devicetree/bindings/iio/pressure/bmp085.txt
> +++ /dev/null
> @@ -1,27 +0,0 @@
> -BMP085/BMP18x/BMP28x digital pressure sensors
> -
> -Required properties:
> -- compatible: must be one of:
> - "bosch,bmp085"
> - "bosch,bmp180"
> - "bosch,bmp280"
> - "bosch,bme280"
> -
> -Optional properties:
> -- interrupts: interrupt mapping for IRQ
> -- reset-gpios: a GPIO line handling reset of the sensor: as the line is
> - active low, it should be marked GPIO_ACTIVE_LOW (see gpio/gpio.txt)
> -- vddd-supply: digital voltage regulator (see regulator/regulator.txt)
> -- vdda-supply: analog voltage regulator (see regulator/regulator.txt)
> -
> -Example:
> -
> -pressure@77 {
> - compatible = "bosch,bmp085";
> - reg = <0x77>;
> - interrupt-parent = <&gpio0>;
> - interrupts = <25 IRQ_TYPE_EDGE_RISING>;
> - reset-gpios = <&gpio0 26 GPIO_ACTIVE_LOW>;
> - vddd-supply = <&foo>;
> - vdda-supply = <&bar>;
> -};
> diff --git a/Documentation/devicetree/bindings/iio/pressure/bmp085.yaml b/Documentation/devicetree/bindings/iio/pressure/bmp085.yaml
> new file mode 100644
> index 000000000000..884f889c1ca5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/iio/pressure/bmp085.yaml
> @@ -0,0 +1,71 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/iio/pressure/bmp085.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: BMP085/BMP180/BMP280/BME280 pressure iio sensors
> +
> +maintainers:
> + - Andreas Klinger <ak@xxxxxxxxxxxxx>
> +
> +description: |
> + Pressure, temperature and humidity iio sensors with i2c and spi interfaces
> +
> + Specifications about the sensor can be found at:
> + https://www.bosch-sensortec.com/bst/products/all_products/bmp180
> + https://www.bosch-sensortec.com/bst/products/all_products/bmp280
> + https://www.bosch-sensortec.com/bst/products/all_products/bme280
> +
> +properties:
> + compatible:
> + oneOf:
> + - items:
> + - enum:
> + - bosch,bmp085
> + - bosch,bmp180
> + - bosch,bmp280
> + - bosch,bme280

This too can be just:

compatible:
enum:
- bosch,bmp085
- bosch,bmp180
- bosch,bmp280
- bosch,bme280

> + vddd-supply:
> + description:
> + digital voltage regulator (see regulator/regulator.txt)
> + maxItems: 1
> +
> + vdda-supply:
> + description:
> + analog voltage regulator (see regulator/regulator.txt)
> + maxItems: 1
> +
> + reset-gpios:
> + description:
> + A GPIO line handling reset of the sensor. As the line is active low,
> + it should be marked GPIO_ACTIVE_LOW (see gpio/gpio.txt)
> + maxItems: 1
> +
> + interrupts:
> + description:
> + interrupt mapping for IRQ (BMP085 only)

Needs a 'maxItems: 1'

> +
> +required:
> + - compatible
> + - vddd-supply
> + - vdda-supply
> +
> +examples:
> + - |
> + #include <dt-bindings/gpio/gpio.h>
> + #include <dt-bindings/interrupt-controller/irq.h>
> + i2c0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + pressure@77 {
> + compatible = "bosch,bmp085";
> + reg = <0x77>;
> + interrupt-parent = <&gpio0>;
> + interrupts = <25 IRQ_TYPE_EDGE_RISING>;
> + reset-gpios = <&gpio0 26 GPIO_ACTIVE_LOW>;
> + vddd-supply = <&foo>;
> + vdda-supply = <&bar>;
> + };
> + };
> --
> 2.11.0