linux-kernel - Re: [PATCH v2] ARM: dts: da850: add the mstpri and ddrctl nodes

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Date:   Tue, 22 Nov 2016 16:23:23 -0600
From:   David Lechner <david@...hnology.com>
To:     Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Kevin Hilman <khilman@...libre.com>,
        Michael Turquette <mturquette@...libre.com>,
        Sekhar Nori <nsekhar@...com>, Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>,
        Mark Rutland <mark.rutland@....com>,
        Peter Ujfalusi <peter.ujfalusi@...com>,
        Russell King <linux@...linux.org.uk>
Cc:     linux-devicetree <devicetree@...r.kernel.org>,
        David Airlie <airlied@...ux.ie>,
        LKML <linux-kernel@...r.kernel.org>,
        linux-drm <dri-devel@...ts.freedesktop.org>,
        Tomi Valkeinen <tomi.valkeinen@...com>,
        Jyri Sarha <jsarha@...com>,
        arm-soc <linux-arm-kernel@...ts.infradead.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>
Subject: Re: [PATCH v2] ARM: dts: da850: add the mstpri and ddrctl nodes

On 11/15/2016 05:00 AM, Bartosz Golaszewski wrote:
> Add the nodes for the MSTPRI configuration and DDR2/mDDR memory
> controller drivers to da850.dtsi.
>
> Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
> ---
> v1 -> v2:
> - moved the priority controller node above the cfgchip node
> - renamed added nodes to better reflect their purpose
>
>  arch/arm/boot/dts/da850.dtsi | 8 ++++++++
>  1 file changed, 8 insertions(+)
>
> diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi
> index 1bb1f6d..412eec6 100644
> --- a/arch/arm/boot/dts/da850.dtsi
> +++ b/arch/arm/boot/dts/da850.dtsi
> @@ -210,6 +210,10 @@
>  			};
>
>  		};
> +		prictrl: priority-controller@...10 {
> +			compatible = "ti,da850-mstpri";
> +			reg = <0x14110 0x0c>;

I think we should add status = "disabled"; here and let boards opt in.

> +		};
>  		cfgchip: chip-controller@...7c {
>  			compatible = "ti,da830-cfgchip", "syscon", "simple-mfd";
>  			reg = <0x1417c 0x14>;
> @@ -451,4 +455,8 @@
>  			  1 0 0x68000000 0x00008000>;
>  		status = "disabled";
>  	};
> +	memctrl: memory-controller@...00000 {
> +		compatible = "ti,da850-ddr-controller";
> +		reg = <0xb0000000 0xe8>;

same here. status = "disabled";

> +	};
>  };
>