[PATCH 3/3] powerpc: doc/dts-bindings: update doc of FSL I2C bindings

Wolfram Sang w.sang at pengutronix.de
Mon Jan 25 22:56:54 EST 2010


On Mon, Jan 25, 2010 at 09:27:09AM +0100, Wolfgang Grandegger wrote:
> From: Wolfgang Grandegger <wg at denx.de>
> 
> This patch adds the MPC5121 to the list of supported devices,
> enhances the doc of the "clock-frequency" property and removes
> the obsolete "cell-index" property from the example nodes.

I think "fsl,mpc5121-i2c-ctrl" needs to be documented here, too?

> 
> Signed-off-by: Wolfgang Grandegger <wg at denx.de>
> ---
>  Documentation/powerpc/dts-bindings/fsl/i2c.txt |   10 +++++-----
>  1 files changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/Documentation/powerpc/dts-bindings/fsl/i2c.txt b/Documentation/powerpc/dts-bindings/fsl/i2c.txt
> index b6d2e21..2af8a05 100644
> --- a/Documentation/powerpc/dts-bindings/fsl/i2c.txt
> +++ b/Documentation/powerpc/dts-bindings/fsl/i2c.txt
> @@ -9,8 +9,8 @@ Recommended properties :
>  
>   - compatible : compatibility list with 2 entries, the first should
>     be "fsl,CHIP-i2c" where CHIP is the name of a compatible processor,
> -   e.g. mpc8313, mpc8543, mpc8544, mpc5200 or mpc5200b. The second one
> -   should be "fsl-i2c".
> +   e.g. mpc8313, mpc8543, mpc8544, mpc5121, mpc5200 or mpc5200b. The
> +   second one should be "fsl-i2c".
>   - interrupts : <a b> where a is the interrupt number and b is a
>     field that represents an encoding of the sense and level
>     information for the interrupt.  This should be encoded based on
> @@ -20,7 +20,9 @@ Recommended properties :
>     services interrupts for this device.
>   - fsl,preserve-clocking : boolean; if defined, the clock settings
>     from the bootloader are preserved (not touched).
> - - clock-frequency : desired I2C bus clock frequency in Hz.
> + - clock-frequency : desired I2C bus clock frequency in Hz.  If this
> +   property and "fsl,preserve-clocking" is not defined, a safe fixed
> +   clock divider value is used (resulting in a small clock frequency).
>  
>  Examples :
>  
> @@ -28,7 +30,6 @@ Examples :
>  		#address-cells = <1>;
>  		#size-cells = <0>;
>  		compatible = "fsl,mpc5200b-i2c","fsl,mpc5200-i2c","fsl-i2c";
> -		cell-index = <0>;
>  		reg = <0x3d00 0x40>;
>  		interrupts = <2 15 0>;
>  		interrupt-parent = <&mpc5200_pic>;
> @@ -38,7 +39,6 @@ Examples :
>  	i2c at 3100 {
>  		#address-cells = <1>;
>  		#size-cells = <0>;
> -		cell-index = <1>;
>  		compatible = "fsl,mpc8544-i2c", "fsl-i2c";
>  		reg = <0x3100 0x100>;
>  		interrupts = <43 2>;
> -- 
> 1.6.2.5
> 
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-- 
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |
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