[PATCH v3 4/6] mfd: dt: Add bindings for the Aspeed LPC Host Controller (LHC)

[lee.jones@linaro.org (Lee Jones)]

On Tue, 06 Dec 2016, Andrew Jeffery wrote:

> The LPC bus pinmux configuration on fifth generation Aspeed SoCs depends
> on bits in both the System Control Unit and the LPC Host Controller.
> 
> The Aspeed LPC Host Controller is described as a child node of the
> LPC host-range syscon device for arbitration of access by the host
> controller and pinmux drivers.
> 
> Signed-off-by: Andrew Jeffery <andrew@aj.id.au>

Applied with Acks, thanks.

> ---
>  .../devicetree/bindings/mfd/aspeed-lpc.txt         | 22 ++++++++++++++++++++++
>  1 file changed, 22 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/mfd/aspeed-lpc.txt b/Documentation/devicetree/bindings/mfd/aspeed-lpc.txt
> index a97131aba446..9de318ef72da 100644
> --- a/Documentation/devicetree/bindings/mfd/aspeed-lpc.txt
> +++ b/Documentation/devicetree/bindings/mfd/aspeed-lpc.txt
> @@ -109,3 +109,25 @@ lpc: lpc at 1e789000 {
>  	};
>  };
>  
> +Host Node Children
> +==================
> +
> +LPC Host Controller
> +-------------------
> +
> +The Aspeed LPC Host Controller configures the Low Pin Count (LPC) bus behaviour
> +between the host and the baseboard management controller. The registers exist
> +in the "host" portion of the Aspeed LPC controller, which must be the parent of
> +the LPC host controller node.
> +
> +Required properties:
> +- compatible:		"aspeed,ast2500-lhc";
> +- reg:			contains offset/length value of the LHC memory
> +			region.
> +
> +Example:
> +
> +lhc: lhc at 20 {
> +	compatible = "aspeed,ast2500-lhc";
> +	reg = <0x20 0x24 0x48 0x8>;
> +};

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org ? Open source software for ARM SoCs
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