On Wed, Aug 07, 2019 at 05:21:34PM +0800, Rahul Tanwar wrote:
> There is a new Intel Atom based Lightning Mountain(LGM) network processor SoC
> which
> reuses Lantiq ASC serial controller IP. This patch adds new compatible string
> and its expected property value in order to support the driver for LGM as
> well.
I think it makes sense to convert to YAML before adding new properties.
>
> Signed-off-by: Rahul Tanwar <rahul.tan...@linux.intel.com>
> ---
> Documentation/devicetree/bindings/serial/lantiq_asc.txt | 17
> +++++++++++++++--
> 1 file changed, 15 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/serial/lantiq_asc.txt
> b/Documentation/devicetree/bindings/serial/lantiq_asc.txt
> index 40e81a5818f6..18b45dd13a61 100644
> --- a/Documentation/devicetree/bindings/serial/lantiq_asc.txt
> +++ b/Documentation/devicetree/bindings/serial/lantiq_asc.txt
> @@ -1,10 +1,14 @@
> Lantiq SoC ASC serial controller
>
> Required properties:
> -- compatible : Should be "lantiq,asc"
> +- compatible : Should be "lantiq,asc" or "intel,lgm-asc"
> - reg : Address and length of the register set for the device
> -- interrupts: the 3 (tx rx err) interrupt numbers. The interrupt specifier
> +- interrupts:
> + For "lantiq,asc" - the 3 (tx rx err) interrupt numbers. The interrupt
> specifier
> depends on the interrupt-parent interrupt controller.
> + or
> + For "intel,lgm-asc" - the common interrupt number for all of tx rx & err
> interrupts
> + followed by level/sense specifier.
>
> Optional properties:
> - clocks: Should contain frequency clock and gate clock
> @@ -29,3 +33,12 @@ asc1: serial@e100c00 {
> interrupt-parent = <&icu0>;
> interrupts = <112 113 114>;
> };
> +
> +asc0: serial@e0a00000 {
> + compatible = "intel,lgm-asc";
> + reg = <0xe0a00000 0x1000>;
> + interrupt-parent = <&ioapic1>;
> + interrupts = <128 1>;
> + clocks = <&cgu0 LGM_CLK_NOC4>, <&cgu0 LGM_GCLK_ASC0>;
> + clock-names = "freq", "asc";
> +};
> --
> 2.11.0
>
--
With Best Regards,
Andy Shevchenko
