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From: "Jernej Škrabec" <jernej.skrabec@siol.net>
To: Maxime Ripard <maxime@cerno.tech>
Cc: mark.rutland@arm.com, devicetree@vger.kernel.org,
	linux-sunxi@googlegroups.com, linux-kernel@vger.kernel.org,
	wens@csie.org, robh+dt@kernel.org, mchehab@kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-media@vger.kernel.org
Subject: Re: [PATCH 3/5] arm64: dts: allwinner: a64: Add MBUS controller node
Date: Mon, 27 Jan 2020 20:05:27 +0100	[thread overview]
Message-ID: <1736895.tdWV9SEqCh@jernej-laptop> (raw)
In-Reply-To: <20200127145931.rjewha4awnlorfvb@gilmour.lan>

Dne ponedeljek, 27. januar 2020 ob 15:59:31 CET je Maxime Ripard napisal(a):
> Hi,
> 
> On Sat, Jan 25, 2020 at 12:03:51PM +0100, Jernej Skrabec wrote:
> > A64 contains MBUS, which is the bus used by DMA devices to access
> > system memory.
> > 
> > MBUS controller is responsible for arbitration between channels based
> > on set priority and can do some other things as well, like report
> > bandwidth used. It also maps RAM region to different address than CPU.
> > 
> > Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
> > ---
> > 
> >  arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 8 ++++++++
> >  1 file changed, 8 insertions(+)
> > 
> > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> > b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi index
> > 862b47dc9dc9..d225ea1f3b87 100644
> > --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> > +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> > @@ -1061,6 +1061,14 @@ pwm: pwm@1c21400 {
> > 
> >  			status = "disabled";
> >  		
> >  		};
> > 
> > +		mbus: dram-controller@1c62000 {
> > +			compatible = "allwinner,sun50i-a64-mbus";
> > +			reg = <0x01c62000 0x1000>;
> > +			clocks = <&ccu CLK_MBUS>;
> 
> We're merging the clock header patch and the DT through two different
> trees, so you can't use it right away. You should use the raw ID here.

Ok.

> 
> (also, as a general remark, it's easier on us to not send the patches
> during the rc6 <-> rc1 phase), so if you can resend them as soon as
> rc1 is out, that would be great :)

Ok, I'll send v2 then.

Best regards,
Jernej



_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

WARNING: multiple messages have this Message-ID (diff)
From: "Jernej Škrabec" <jernej.skrabec@siol.net>
To: Maxime Ripard <maxime@cerno.tech>
Cc: wens@csie.org, mchehab@kernel.org, robh+dt@kernel.org,
	mark.rutland@arm.com, linux-media@vger.kernel.org,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com
Subject: Re: [PATCH 3/5] arm64: dts: allwinner: a64: Add MBUS controller node
Date: Mon, 27 Jan 2020 20:05:27 +0100	[thread overview]
Message-ID: <1736895.tdWV9SEqCh@jernej-laptop> (raw)
In-Reply-To: <20200127145931.rjewha4awnlorfvb@gilmour.lan>

Dne ponedeljek, 27. januar 2020 ob 15:59:31 CET je Maxime Ripard napisal(a):
> Hi,
> 
> On Sat, Jan 25, 2020 at 12:03:51PM +0100, Jernej Skrabec wrote:
> > A64 contains MBUS, which is the bus used by DMA devices to access
> > system memory.
> > 
> > MBUS controller is responsible for arbitration between channels based
> > on set priority and can do some other things as well, like report
> > bandwidth used. It also maps RAM region to different address than CPU.
> > 
> > Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
> > ---
> > 
> >  arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 8 ++++++++
> >  1 file changed, 8 insertions(+)
> > 
> > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> > b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi index
> > 862b47dc9dc9..d225ea1f3b87 100644
> > --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> > +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> > @@ -1061,6 +1061,14 @@ pwm: pwm@1c21400 {
> > 
> >  			status = "disabled";
> >  		
> >  		};
> > 
> > +		mbus: dram-controller@1c62000 {
> > +			compatible = "allwinner,sun50i-a64-mbus";
> > +			reg = <0x01c62000 0x1000>;
> > +			clocks = <&ccu CLK_MBUS>;
> 
> We're merging the clock header patch and the DT through two different
> trees, so you can't use it right away. You should use the raw ID here.

Ok.

> 
> (also, as a general remark, it's easier on us to not send the patches
> during the rc6 <-> rc1 phase), so if you can resend them as soon as
> rc1 is out, that would be great :)

Ok, I'll send v2 then.

Best regards,
Jernej



  reply	other threads:[~2020-01-27 19:05 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-25 11:03 [PATCH 0/5] arm64: dts: allwinner: a64: Enable deinterlace core Jernej Skrabec
2020-01-25 11:03 ` Jernej Skrabec
2020-01-25 11:03 ` [PATCH 1/5] dt-bindings: interconnect: sunxi: Add A64 MBUS compatible Jernej Skrabec
2020-01-25 11:03   ` Jernej Skrabec
2020-02-03 15:49   ` Rob Herring
2020-02-03 15:49     ` Rob Herring
2020-01-25 11:03 ` [PATCH 2/5] clk: sunxi-ng: a64: Export MBUS clock Jernej Skrabec
2020-01-25 11:03   ` Jernej Skrabec
2020-01-25 11:03 ` [PATCH 3/5] arm64: dts: allwinner: a64: Add MBUS controller node Jernej Skrabec
2020-01-25 11:03   ` Jernej Skrabec
2020-01-27 14:59   ` Maxime Ripard
2020-01-27 14:59     ` Maxime Ripard
2020-01-27 19:05     ` Jernej Škrabec [this message]
2020-01-27 19:05       ` Jernej Škrabec
2020-01-25 11:03 ` [PATCH 4/5] media: dt-bindings: media: Add Allwinner A64 deinterlace compatible Jernej Skrabec
2020-01-25 11:03   ` Jernej Skrabec
2020-02-03 15:50   ` Rob Herring
2020-02-03 15:50     ` Rob Herring
2020-01-25 11:03 ` [PATCH 5/5] arm64: dts: allwinner: a64: Add deinterlace core node Jernej Skrabec
2020-01-25 11:03   ` Jernej Skrabec

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