lkml.org 
[lkml]   [2018]   [Sep]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v2 1/7] dt-bindings: mfd: Add ST Multi-Function eXpander (STMFX) core bindings
On Wed, Sep 19, 2018 at 03:27:43PM +0200, Amelie Delaunay wrote:
> This patch adds documentation of device tree bindings for the
> STMicroelectronics Multi-Function eXpander (STMFX) MFD core.
>
> Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com>
> ---
> Documentation/devicetree/bindings/mfd/stmfx.txt | 28 +++++++++++++++++++++++++
> 1 file changed, 28 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mfd/stmfx.txt
>
> diff --git a/Documentation/devicetree/bindings/mfd/stmfx.txt b/Documentation/devicetree/bindings/mfd/stmfx.txt
> new file mode 100644
> index 0000000..21cf798
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/stmfx.txt
> @@ -0,0 +1,28 @@
> +STMicroelectonics Multi-Function eXpander (STMFX) Core bindings
> +
> +ST Multi-Function eXpander (STMFX) is a slave controller using I2C for
> +communication with the main MCU. Its main features are GPIO expansion, main
> +MCU IDD measurement (IDD is the amount of current that flows through VDD) and
> +resistive touchscreen controller.
> +
> +Required properties:
> +- compatible: should be "st,stmfx-0300".
> +- reg: I2C slave address of the device.
> +- interrupt-parent: phandle of the STMFX parent interrupt controller.

Drop this. It is implied and could be in the parent.

> +- interrutps: interrupt specifier triggered by MFX_IRQ_OUT signal.

typo

> +
> +Optional properties:
> +- drive-open-drain: configure MFX_IRQ_OUT as open drain.
> +- vdd-supply: phandle of the regulator supplying STMFX.
> +
> +Example:
> +
> + stmfx: stmfx@42 {
> + compatible = "st,stmfx-0300";
> + reg = <0x42>;
> + interrupts = <8 IRQ_TYPE_EDGE_RISING>;
> + interrupt-parent = <&gpioi>;
> + vdd-supply = <&v3v3>;
> + };
> +
> +Please refer to ../pinctrl/pinctrl-stmfx.txt for STMFX GPIO expander function bindings.
> --
> 2.7.4
>

\
 
 \ /
  Last update: 2018-09-27 00:59    [W:0.073 / U:3.680 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site