linux-kernel - Re: [PATCH] ARM64: dts: rockchip: add core dtsi file for rk3399 SoCs

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Message-ID: <20160421214826.GA69116@google.com>
Date:	Thu, 21 Apr 2016 14:48:26 -0700
From:	Brian Norris <briannorris@...omium.org>
To:	Jianqun Xu <jay.xu@...k-chips.com>
Cc:	robh+dt@...nel.org, pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	catalin.marinas@....com, will.deacon@....com, heiko@...ech.de,
	huangtao@...k-chips.com, davidriley@...omium.org,
	dianders@...omium.org, jwerner@...omium.org, smbarber@...omium.org,
	devicetree@...r.kernel.org, rockchip-discuss@...omium.org,
	linux-kernel@...r.kernel.org, linux-rockchip@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] ARM64: dts: rockchip: add core dtsi file for rk3399 SoCs

Hi,

On Wed, Apr 20, 2016 at 11:15:50AM +0800, Jianqun Xu wrote:
> This patch adds core dtsi file for rk3399 found on Rockchip
> rk3399 SoCs, tested on rk3399 evb.
> 
> Signed-off-by: Jianqun Xu <jay.xu@...k-chips.com>
> ---
>  arch/arm64/boot/dts/rockchip/rk3399.dtsi | 1744 ++++++++++++++++++++++++++++++
>  1 file changed, 1744 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/rockchip/rk3399.dtsi
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> new file mode 100644
> index 0000000..fa6fc2c
> --- /dev/null
> +++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
> @@ -0,0 +1,1744 @@
[...]

> +	emmc_phy: phy {
> +		compatible = "rockchip,rk3399-emmc-phy";
> +		reg-offset = <0xf780>;

This property is not documented. The current doc says we "require" reg,
but you're kinda misusing it, I believe. At any rate, the current phy
driver won't probe without 'reg'.

> +		#phy-cells = <0>;
> +		rockchip,grf = <&grf>;
> +		status = "disabled";
> +	};

[...]

Brian