Hi, Shiping
This commit looks good to me.
Yuqing
On Sun, Nov 17, 2019 at 7:10 PM Shiping Ji <shiping.linux@xxxxxxxxx> wrote:
>
> This is the device tree bindings for new EDAC driver dmc520_edac.c.
>
> Signed-off-by: Lei Wang <leiwang_git@xxxxxxxxxxx>
> Reviewed-by: James Morse <james.morse@xxxxxxx>
> Reviewed-by: Yuqing Shen <yuqing.shen@xxxxxxxxxxxx>
> Tested-by: Yuqing Shen <yuqing.shen@xxxxxxxxxxxx>
> ---
> Changes in v7:
> - Added arm prefix to the interrupt-config property
>
> ---
> .../devicetree/bindings/edac/arm-dmc520.txt | 26 +++++++++++++++++++
> 1 file changed, 26 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/edac/arm-dmc520.txt
>
> diff --git a/Documentation/devicetree/bindings/edac/arm-dmc520.txt b/Documentation/devicetree/bindings/edac/arm-dmc520.txt
> new file mode 100644
> index 000000000000..476cf8b76f2a
> --- /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.
> +- arm,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. 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>;
> + arm,interrupt-config = <0x4>, <0x8>;
> +};
> --
> 2.17.1
>
