linux-kernel - Re: [PATCH 11/12] ARM: dts: sun8i: Add i2c controller nodes

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Date:	Mon, 18 Aug 2014 16:27:37 +0200
From:	Maxime Ripard <maxime.ripard@...e-electrons.com>
To:	Chen-Yu Tsai <wens@...e.org>
Cc:	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	linux-sunxi <linux-sunxi@...glegroups.com>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 11/12] ARM: dts: sun8i: Add i2c controller nodes

On Sun, Aug 17, 2014 at 11:20:44PM +0800, Chen-Yu Tsai wrote:
> Hi,
> 
> On Sun, Aug 17, 2014 at 4:02 PM, Maxime Ripard
> <maxime.ripard@...e-electrons.com> wrote:
> > Hi,
> >
> > On Sun, Aug 17, 2014 at 11:52:17AM +0800, Chen-Yu Tsai wrote:
> >> Add nodes for the 3 i2c controllers found on A23 SoCs to the sun8i DTSI.
> >>
> >> Signed-off-by: Chen-Yu Tsai <wens@...e.org>
> >> ---
> >>  arch/arm/boot/dts/sun8i-a23.dtsi | 36 ++++++++++++++++++++++++++++++++++++
> >>  1 file changed, 36 insertions(+)
> >>
> >> diff --git a/arch/arm/boot/dts/sun8i-a23.dtsi b/arch/arm/boot/dts/sun8i-a23.dtsi
> >> index 4658998..53ef350 100644
> >> --- a/arch/arm/boot/dts/sun8i-a23.dtsi
> >> +++ b/arch/arm/boot/dts/sun8i-a23.dtsi
> >> @@ -387,6 +387,42 @@
> >>                       status = "disabled";
> >>               };
> >>
> >> +             i2c0: i2c@...2ac00 {
> >> +                     compatible = "allwinner,sun6i-a31-i2c";
> >> +                     reg = <0x01c2ac00 0x400>;
> >> +                     interrupts = <0 6 4>;
> >> +                     clocks = <&apb2_gates 0>;
> >> +                     clock-frequency = <100000>;
> >
> > It's the default, you don't need to set it.
> 
> Ah, just checked the driver, it is indeed the default.
> All the other sunxi dtsi have it though. Do we want to be consistent?

Yep, it's usually a good thing :)

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com

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