Hi Lei,

On 16/05/2019 03:35, Lei Wang wrote:
> From: Lei Wang <leiwang_...@outlook.com>
> 
> This is the device tree bindings for new EDAC driver dmc520_edac.c.

> diff --git a/Documentation/devicetree/bindings/edac/arm-dmc520.txt 
> b/Documentation/devicetree/bindings/edac/arm-dmc520.txt
> new file mode 100644
> index 0000000..71e7aa3
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/edac/arm-dmc520.txt
> @@ -0,0 +1,26 @@
> +* ARM DMC-520 EDAC node
> +

> +Required properties:
> +- compatible         : "brcm,dmc-520", "arm,dmc-520".
> +- reg                        : Address range of the DMC-520 registers.
> +- interrupts         : DMC-520 interrupt numbers. The example below specifies
> +                       two interrupt lines for dram_ecc_errc_int and
> +                       dram_ecc_errd_int.
> +- interrupt-config   : This is an array of interrupt masks. For each of the
> +                       above interrupt line, add one interrupt mask element 
> to
> +                       it. That is, there is a 1:1 mapping from each 
> interrupt
> +                       line to an interrupt mask. An interrupt mask can 
> represent
> +                       multiple interrupts being enabled.

Cunning!


> +                       Refer to interrupt_control
> +                       register in DMC-520 TRM for interrupt mapping. In the 
> example
> +                       below, the interrupt configuration enables 
> dram_ecc_errc_int
> +                       and dram_ecc_errd_int. And each interrupt is 
> connected to
> +                       a separate interrupt line.
> +
> +Example:
> +
> +dmc0: dmc@200000 {
> +     compatible = "brcm,dmc-520", "arm,dmc-520";
> +     reg = <0x200000 0x80000>;
> +     interrupts = <0x0 0x349 0x4>, <0x0 0x34B 0x4>;
> +     interrupt-config = <0x4>, <0x8>;
> +};
> 

For what its worth:
Acked-by: James Morse <james.mo...@arm.com>


Thanks,

James

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