linux-kernel - Re: [PATCH v3 2/2] arm64: dts: ti: k3-am64-main: Add ELM (Error Location Module) node

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Message-ID: <63a95660-2ded-1087-999f-57f5c68deda6@ti.com>
Date:   Mon, 28 Feb 2022 13:19:04 +0530
From:   Vignesh Raghavendra <vigneshr@...com>
To:     Roger Quadros <rogerq@...nel.org>, <nm@...com>
CC:     <kishon@...com>, <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 2/2] arm64: dts: ti: k3-am64-main: Add ELM (Error
 Location Module) node



On 04/02/22 4:45 pm, Roger Quadros wrote:
> The ELM module is used for GPMC NAND accesses for detecting
> and correcting errors during reads due to NAND bitflips errors.

[...]

> 
> diff --git a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
> index 94ea5c304d73..b17620e999a5 100644
> --- a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
> @@ -1308,4 +1308,13 @@
>  		gpio-controller;
>  		#gpio-cells = <2>;
>  	};
> +
> +	elm0: ecc@...10000 {
> +		compatible = "ti,am3352-elm";

Sorry, this binding needs to move to YAML before patch can be applied.

> +		reg = <0x00 0x25010000 0x00 0x2000>;
> +		interrupts = <GIC_SPI 132 IRQ_TYPE_LEVEL_HIGH>;
> +		power-domains = <&k3_pds 54 TI_SCI_PD_EXCLUSIVE>;
> +		clocks = <&k3_clks 54 0>;
> +		clock-names = "fck";
> +	};
>  };
[...]


Regards
Vignesh