[PATCH 1/3] dt-bindings: aspeed-lpc: Add reset controller
Philipp Zabel
p.zabel at pengutronix.de
Mon Feb 19 22:46:15 AEDT 2018
On Mon, 2018-02-19 at 17:24 +1030, Joel Stanley wrote:
> This describes the reset controller present in the LPC address space.
>
> Signed-off-by: Joel Stanley <joel at jms.id.au>
> ---
> .../devicetree/bindings/mfd/aspeed-lpc.txt | 21 +++++++++++++++++++++
> 1 file changed, 21 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/mfd/aspeed-lpc.txt b/Documentation/devicetree/bindings/mfd/aspeed-lpc.txt
> index 514d82ced95b..721a2b1eb40f 100644
> --- a/Documentation/devicetree/bindings/mfd/aspeed-lpc.txt
> +++ b/Documentation/devicetree/bindings/mfd/aspeed-lpc.txt
> @@ -135,3 +135,24 @@ lhc: lhc at 20 {
> compatible = "aspeed,ast2500-lhc";
> reg = <0x20 0x24 0x48 0x8>;
> };
> +
> +LPC reset control
> +-----------------
> +
> +The UARTs present in the ASPEED SoC can have their resets tied to the reset
> +state of the LPC bus. Some systems may chose to modify this configuration.
> +
> +Required properties:
> +
> + - comaptible: "aspeed,ast2500-lpc-reset" or
"compatible"
> + "aspeed,ast2400-lpc-reset"
> + - reg: offset and length of the IP in the LHC memory region
> + - #reset-controller indacates the number of reset cells excepted
"indicates", "expected"
> +
> +Example:
> +
> +lpc_reset: reset-controller at 18 {
> + compatible = "aspeed,ast2500-lpc-reset";
> + reg = <0x18 0x4>;
> + #reset-cells = <1>;
> +};
Should this mention or indicate in the example that the reset-controller
node must be child of (a subnode of) the lpc node?
regards
Philipp
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