linux-kernel - Re: [PATCH 3/5] ARM64: dts: meson-axg: add I2C DT info for Meson-AXG SoC

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Message-ID: <96dc68e3-c394-70c4-eabe-f59d4c36150e@baylibre.com>
Date:   Fri, 17 Nov 2017 14:05:50 +0100
From:   Neil Armstrong <narmstrong@...libre.com>
To:     Yixun Lan <yixun.lan@...ogic.com>,
        Wolfram Sang <wsa@...-dreams.de>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>, linux-i2c@...r.kernel.org,
        devicetree@...r.kernel.org, Kevin Hilman <khilman@...libre.com>
Cc:     Jerome Brunet <jbrunet@...libre.com>,
        Carlo Caione <carlo@...one.org>, Jian Hu <jian.hu@...ogic.com>,
        linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/5] ARM64: dts: meson-axg: add I2C DT info for Meson-AXG
 SoC

Hi Yixun, Jian,

On 17/11/2017 09:02, Yixun Lan wrote:
> From: Jian Hu <jian.hu@...ogic.com>
> 
> There are four I2C masters in EE domain, and one I2C Master in
> AO domain, the DT info here should describe them all.
> 
> Signed-off-by: Jian Hu <jian.hu@...ogic.com>
> Signed-off-by: Yixun Lan <yixun.lan@...ogic.com>
> ---
>  arch/arm64/boot/dts/amlogic/meson-axg.dtsi | 59 ++++++++++++++++++++++++++++++
>  1 file changed, 59 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
> index 57faaa9d8013..99e967aff439 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
> @@ -129,6 +129,54 @@
>  				#reset-cells = <1>;
>  			};
>  
> +			i2c_m0: i2c@...00 {

Can you use a more simple "i2c0" phandle naming instead ? or get back to the "i2c_A/B/C/D" naming like in meson_gx to keep consistency ?

[...]

> +			};
> +
> +			i2c_m1: i2c@...00 {

[...]

> +			};
> +
> +			i2c_m2: i2c@...00 {

[...]

> +			};
> +
> +			i2c_m3: i2c@...00 {

[...]

> +			};
> +
>  			uart_A: serial@...00 {
>  				compatible = "amlogic,meson-gx-uart", "amlogic,meson-uart";
>  				reg = <0x0 0x24000 0x0 0x14>;
> @@ -312,6 +360,17 @@
>  				};
>  			};
>  
> +			i2c_ao: i2c@...0 {

Can you keep the same "i2c_AO" as in meson-gx ?


[...]

> +			};
> +
>  			uart_AO: serial@...0 {
>  				compatible = "amlogic,meson-gx-uart", "amlogic,meson-ao-uart";
>  				reg = <0x0 0x3000 0x0 0x18>;
> 

Neil