linux-kernel - Re: [PATCH v6 1/2] dt-bindings: edac: arm-dmc520.txt

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Date:   Mon, 23 Sep 2019 18:10:15 +0200
From:   Borislav Petkov <bp@...en8.de>
To:     Lei Wang <leiwang_git@...look.com>
Cc:     "james.morse@....com" <james.morse@....com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "mchehab@...nel.org" <mchehab@...nel.org>,
        "linux-edac@...r.kernel.org" <linux-edac@...r.kernel.org>,
        "sashal@...nel.org" <sashal@...nel.org>,
        "hangl@...rosoft.com" <hangl@...rosoft.com>,
        "lewan@...rosoft.com" <lewan@...rosoft.com>,
        "ruizhao@...rosoft.com" <ruizhao@...rosoft.com>,
        "scott.branden@...adcom.com" <scott.branden@...adcom.com>,
        "yuqing.shen@...adcom.com" <yuqing.shen@...adcom.com>,
        "ray.jui@...adcom.com" <ray.jui@...adcom.com>
Subject: Re: [PATCH v6 1/2] dt-bindings: edac: arm-dmc520.txt

On Thu, Sep 19, 2019 at 06:37:00PM +0000, Lei Wang wrote:
> This is the device tree bindings for new EDAC driver dmc520_edac.c.
> 
> Signed-off-by: Lei Wang <leiwang_git@...look.com>
> Reviewed-by: James Morse <james.morse@....com>
> 
> ---
>     No change in v6.
> ---
>  .../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..71e7aa32971a
> --- /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. 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@...000 {
> +	compatible = "brcm,dmc-520", "arm,dmc-520";
> +	reg = <0x200000 0x80000>;
> +	interrupts = <0x0 0x349 0x4>, <0x0 0x34B 0x4>;
> +	interrupt-config = <0x4>, <0x8>;
> +};
> -- 

Still needs a DT person ACK.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette