Hi Marek,
On Sun, Apr 16, 2017 at 8:07 PM, Marek Vasut <marek.vasut@xxxxxxxxx> wrote:
> Add DT bindings for the ROHM BD9571MWV-M PMIC. This PMIC has
> the following features:
> - multiple voltage monitors for 1V8, 2V5, 3V3 voltage rail
> - one voltage regulator for DVFS
> - two GPIOs
>
> Signed-off-by: Marek Vasut <marek.vasut+renesas@xxxxxxxxx>
> Cc: devicetree@xxxxxxxxxxxxxxx
> Cc: Rob Herring <robh@xxxxxxxxxx>
> Cc: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> Cc: linux-renesas-soc@xxxxxxxxxxxxxxx
> ---
> .../devicetree/bindings/mfd/bd9571mwv.txt | 49 ++++++++++++++++++++++
> 1 file changed, 49 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mfd/bd9571mwv.txt
>
> diff --git a/Documentation/devicetree/bindings/mfd/bd9571mwv.txt b/Documentation/devicetree/bindings/mfd/bd9571mwv.txt
> new file mode 100644
> index 000000000000..0952ee3bc30b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/bd9571mwv.txt
> @@ -0,0 +1,49 @@
> +* ROHM BD9571MWV Power Management Integrated Circuit (PMIC) bindings
> +
> +Required properties:
> + - compatible : Should be "rohm,bd9571mwv".
> + - reg : I2C slave address.
> + - interrupt-parent : Phandle to the parent interrupt controller.
> + - interrupts : The interrupt line the device is connected to.
> + - interrupt-controller : Marks the device node as an interrupt controller.
> + - #interrupt-cells : The number of cells to describe an IRQ, should be 2.
> + The first cell is the IRQ number.
> + The second cell is the flags, encoded as trigger
> + masks from ../interrupt-controller/interrupts.txt.
> + - gpio-controller : Marks the device node as a GPIO Controller.
> + - #gpio-cells : Should be two. The first cell is the pin number and
> + the second cell is used to specify flags.
> + See ../gpio/gpio.txt for more information.
> + - regulators: : List of child nodes that specify the regulator
> + initialization data. Child nodes must be named
> + after their hardware counterparts:
> + - vd18
> + - vd25
> + - vd33
> + - dvfs
Missing vd09, which is used for VDD0.8 on Salvator-X.
> + Each child node is defined using the standard
> + binding for regulators.
> +
> +Example:
> +
> + pmic: bd9571mwv@30 {
> + compatible = "rohm,bd9571mwv";
> + reg = <0x30>;
> + interrupt-parent = <&gpio2>;
> + interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
> + interrupt-controller;
> + #interrupt-cells = <2>;
> + gpio-controller;
> + #gpio-cells = <2>;
> +
> + regulators {
> + dvfs: dvfs {
> + compatible = "regulator-fixed";
What's the purpose of this compatible value?
> + regulator-name = "dvfs";
> + regulator-min-microvolt = <750000>;
> + regulator-max-microvolt = <1030000>;
> + regulator-boot-on;
> + regulator-always-on;
> + };
> + };
> + };
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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