Re: [PATCH v3 03/10] Input: synaptics-rmi4: Add device tree support for RMI4 I2C devices

From: Rob Herring
Date: Mon Feb 08 2016 - 12:11:16 EST


On Tue, Feb 02, 2016 at 05:44:17PM -0800, Andrew Duggan wrote:
> Add devicetree binding for I2C devices and add bindings for optional
> parameters in the function drivers. Parameters for function drivers are
> defined in child nodes for each of the functions.
>
> Signed-off-by: Andrew Duggan <aduggan@xxxxxxxxxxxxx>
> ---
> .../devicetree/bindings/input/rmi4/rmi_f01.txt | 39 ++++++++++++++++
> .../devicetree/bindings/input/rmi4/rmi_i2c.txt | 53 ++++++++++++++++++++++
> .../devicetree/bindings/vendor-prefixes.txt | 1 +
> drivers/input/rmi4/rmi_bus.c | 35 ++++++++++++++
> drivers/input/rmi4/rmi_bus.h | 4 --
> drivers/input/rmi4/rmi_driver.c | 28 ++++++++++++
> drivers/input/rmi4/rmi_f01.c | 50 ++++++++++++++++++++
> drivers/input/rmi4/rmi_i2c.c | 12 ++++-
> 8 files changed, 217 insertions(+), 5 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/input/rmi4/rmi_f01.txt
> create mode 100644 Documentation/devicetree/bindings/input/rmi4/rmi_i2c.txt
>
> diff --git a/Documentation/devicetree/bindings/input/rmi4/rmi_f01.txt b/Documentation/devicetree/bindings/input/rmi4/rmi_f01.txt
> new file mode 100644
> index 0000000..096855c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/input/rmi4/rmi_f01.txt
> @@ -0,0 +1,39 @@
> +Synaptics RMI4 F01 Device Binding
> +
> +The Synaptics RMI4 core is able to support RMI4 devices using different
> +transports and different functions. This file describes the device tree
> +bindings for devices which contain Function 1. Complete documentation
> +for transports and other functions can be found in:
> +Documentation/devicetree/bindings/input/rmi4.
> +
> +Additional documentation for F01 can be found at:
> +http://www.synaptics.com/sites/default/files/511-000136-01-Rev-E-RMI4-Interfacing-Guide.pdf
> +
> +Optional Properties:
> +- syna,nosleep-mode: If set the device will run at full power without sleeping.
> + nosleep has 3 modes, 0 will not change the default
> + setting, 1 will disable nosleep (allow sleeping),
> + and 2 will enable nosleep (disabling sleep).
> +- syna,wakeup-threshold: Defines the amplitude of the disturbance to the
> + background capacitance that will cause the
> + device to wake from dozing.
> +- syna,doze-holdoff-msec: The delay to wait after the last finger lift and the
> + first doze cycle.
> +- syna,doze-interval-msec: The time period that the device sleeps between finger
> + activity.

Sorry, but I told you the wrong suffix. It should be just '-ms'.

I've finally done my TODO list item of documenting what suffixes to use.

Otherwise, for the bindings:

Acked-by: Rob Herring <robh@xxxxxxxxxx>