linux-kernel - Re: [PATCH v2 3/4] Device bindings documentation updated ACPI-enabled platforms not currently supported

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Date:   Tue, 18 Oct 2016 09:33:01 -0500
From:   Rob Herring <robh@...nel.org>
To:     Luis.Oliveira@...opsys.com
Cc:     jarkko.nikula@...ux.intel.com, andriy.shevchenko@...ux.intel.com,
        mika.westerberg@...ux.intel.com, wsa@...-dreams.de,
        linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org,
        mark.rutland@....com, devicetree@...r.kernel.org,
        CARLOS.PALMINHA@...opsys.com, Ramiro.Oliveira@...opsys.com
Subject: Re: [PATCH v2 3/4] Device bindings documentation updated
 ACPI-enabled platforms not currently supported

On Fri, Oct 14, 2016 at 05:52:50PM +0100, Luis.Oliveira@...opsys.com wrote:
> From: Luis Oliveira <lolivei@...opsys.com>
> 
> Signed-off-by: Luis Oliveira <lolivei@...opsys.com>
> ---
>  Documentation/devicetree/bindings/i2c/i2c-designware.txt | 5 ++++-
>  drivers/i2c/busses/i2c-designware-platdrv.c              | 4 +++-
>  2 files changed, 7 insertions(+), 2 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/i2c/i2c-designware.txt b/Documentation/devicetree/bindings/i2c/i2c-designware.txt
> index fee26dc..d3d163c 100644
> --- a/Documentation/devicetree/bindings/i2c/i2c-designware.txt
> +++ b/Documentation/devicetree/bindings/i2c/i2c-designware.txt
> @@ -19,6 +19,8 @@ Optional properties :
>  
>   - i2c-sda-falling-time-ns : should contain the SDA falling time in nanoseconds.
>     This value which is by default 300ns is used to compute the tHIGH period.
> +   
> + - is-slave : indicates if the block is a I2C slave device.

This should be documented as a generic property.

>  
>  Example :
>  
> @@ -30,7 +32,7 @@ Example :
>  		interrupts = <11>;
>  		clock-frequency = <400000>;
>  	};
> -
> +	

Adding trailing whitespace...

>  	i2c@...0000 {
>  		#address-cells = <1>;
>  		#size-cells = <0>;
> @@ -42,4 +44,5 @@ Example :
>  		i2c-sda-hold-time-ns = <300>;
>  		i2c-sda-falling-time-ns = <300>;
>  		i2c-scl-falling-time-ns = <300>;
> +		is-slave;
>  	};