From: Icenowy Zheng <icenowy@aosc.io>
To: Maxime Ripard <maxime.ripard@bootlin.com>
Cc: Rob Herring <robh+dt@kernel.org>, Chen-Yu Tsai <wens@csie.org>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org,
linux-sunxi@googlegroups.com
Subject: Re: [PATCH 2/7] dt-bindings: add binding for the Allwinner A64 DE2 bus
Date: Wed, 21 Mar 2018 10:18:13 +0800 [thread overview]
Message-ID: <AAC74653-C6EB-4BE3-BB19-210687C1E158@aosc.io> (raw)
In-Reply-To: <20180320184646.dynqv6qubzabroe4@flea>
于 2018年3月21日 GMT+08:00 上午2:46:46, Maxime Ripard <maxime.ripard@bootlin.com> 写到:
>On Sat, Mar 17, 2018 at 01:53:49AM +0800, Icenowy Zheng wrote:
>> All the sub-blocks of Allwinner A64 DE2 needs the SRAM C on A64 SoC
>to
>> be claimed, otherwise the whole DE2 space is inaccessible.
>>
>> Add a device tree binding of the DE2 part as a sub-bus.
>
>Where did you get the info that it was a bus?
There's no direct evidence, just some guess.
The DE2 is a whole part that is just allocated a memory
space at the user manual, and the SRAM controls the
access to all modules in the DE2.
So it might be a bus.
Implement it as a bus is a clear representation on A64.
>
>Maxime
WARNING: multiple messages have this Message-ID (diff)
From: Icenowy Zheng <icenowy-h8G6r0blFSE@public.gmane.org>
To: Maxime Ripard <maxime.ripard-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org>
Cc: Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Chen-Yu Tsai <wens-jdAy2FN1RRM@public.gmane.org>,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-clk-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
Subject: Re: [PATCH 2/7] dt-bindings: add binding for the Allwinner A64 DE2 bus
Date: Wed, 21 Mar 2018 10:18:13 +0800 [thread overview]
Message-ID: <AAC74653-C6EB-4BE3-BB19-210687C1E158@aosc.io> (raw)
In-Reply-To: <20180320184646.dynqv6qubzabroe4@flea>
于 2018年3月21日 GMT+08:00 上午2:46:46, Maxime Ripard <maxime.ripard-LDxbnhwyfcJBDgjK7y7TUQ@public.gmane.org> 写到:
>On Sat, Mar 17, 2018 at 01:53:49AM +0800, Icenowy Zheng wrote:
>> All the sub-blocks of Allwinner A64 DE2 needs the SRAM C on A64 SoC
>to
>> be claimed, otherwise the whole DE2 space is inaccessible.
>>
>> Add a device tree binding of the DE2 part as a sub-bus.
>
>Where did you get the info that it was a bus?
There's no direct evidence, just some guess.
The DE2 is a whole part that is just allocated a memory
space at the user manual, and the SRAM controls the
access to all modules in the DE2.
So it might be a bus.
Implement it as a bus is a clear representation on A64.
>
>Maxime
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WARNING: multiple messages have this Message-ID (diff)
From: icenowy@aosc.io (Icenowy Zheng)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/7] dt-bindings: add binding for the Allwinner A64 DE2 bus
Date: Wed, 21 Mar 2018 10:18:13 +0800 [thread overview]
Message-ID: <AAC74653-C6EB-4BE3-BB19-210687C1E158@aosc.io> (raw)
In-Reply-To: <20180320184646.dynqv6qubzabroe4@flea>
? 2018?3?21? GMT+08:00 ??2:46:46, Maxime Ripard <maxime.ripard@bootlin.com> ??:
>On Sat, Mar 17, 2018 at 01:53:49AM +0800, Icenowy Zheng wrote:
>> All the sub-blocks of Allwinner A64 DE2 needs the SRAM C on A64 SoC
>to
>> be claimed, otherwise the whole DE2 space is inaccessible.
>>
>> Add a device tree binding of the DE2 part as a sub-bus.
>
>Where did you get the info that it was a bus?
There's no direct evidence, just some guess.
The DE2 is a whole part that is just allocated a memory
space at the user manual, and the SRAM controls the
access to all modules in the DE2.
So it might be a bus.
Implement it as a bus is a clear representation on A64.
>
>Maxime
next prev parent reply other threads:[~2018-03-21 2:19 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-16 17:53 [PATCH 0/7] Allwinner A64 DE2 CCU support with dedicated DE2 bus driver Icenowy Zheng
2018-03-16 17:53 ` Icenowy Zheng
2018-03-16 17:53 ` Icenowy Zheng
2018-03-16 17:53 ` [PATCH 1/7] dt-bindings: add compatible string for the A64 DE2 CCU Icenowy Zheng
2018-03-16 17:53 ` Icenowy Zheng
2018-03-16 17:53 ` Icenowy Zheng
2018-03-19 22:00 ` Stephen Boyd
2018-03-19 22:00 ` Stephen Boyd
2018-03-19 22:00 ` Stephen Boyd
2018-03-26 22:22 ` Rob Herring
2018-03-26 22:22 ` Rob Herring
2018-03-26 22:22 ` Rob Herring
2018-03-26 22:22 ` Rob Herring
2018-03-16 17:53 ` [PATCH 2/7] dt-bindings: add binding for the Allwinner A64 DE2 bus Icenowy Zheng
2018-03-16 17:53 ` Icenowy Zheng
2018-03-16 17:53 ` Icenowy Zheng
2018-03-20 18:46 ` Maxime Ripard
2018-03-20 18:46 ` Maxime Ripard
2018-03-21 2:18 ` Icenowy Zheng [this message]
2018-03-21 2:18 ` Icenowy Zheng
2018-03-21 2:18 ` Icenowy Zheng
2018-03-21 17:13 ` [linux-sunxi] " Jernej Škrabec
2018-03-21 17:13 ` Jernej Škrabec
2018-03-22 6:08 ` Icenowy Zheng
2018-03-22 6:08 ` Icenowy Zheng
2018-03-22 6:08 ` Icenowy Zheng
2018-03-26 22:22 ` [linux-sunxi] " Rob Herring
2018-03-26 22:22 ` Rob Herring
2018-03-26 22:22 ` Rob Herring
2018-03-26 23:31 ` [linux-sunxi] " Icenowy Zheng
2018-03-26 23:31 ` Icenowy Zheng
2018-03-26 23:31 ` Icenowy Zheng
2018-03-27 8:11 ` [linux-sunxi] " Maxime Ripard
2018-03-27 8:11 ` Maxime Ripard
2018-03-16 17:53 ` [PATCH 3/7] bus: add bus driver for accessing Allwinner A64 DE2 Icenowy Zheng
2018-03-16 17:53 ` Icenowy Zheng
2018-03-16 17:53 ` Icenowy Zheng
2018-04-14 10:25 ` Jagan Teki
2018-04-14 10:25 ` Jagan Teki
2018-04-14 10:30 ` Chen-Yu Tsai
2018-04-14 10:30 ` Chen-Yu Tsai
2018-04-14 10:30 ` Chen-Yu Tsai
2018-04-14 10:46 ` Jagan Teki
2018-04-14 10:46 ` Jagan Teki
2018-04-19 6:35 ` Jagan Teki
2018-04-19 6:35 ` Jagan Teki
2018-03-16 17:53 ` [PATCH 4/7] clk: sunxi-ng: add A64 compatible string Icenowy Zheng
2018-03-16 17:53 ` Icenowy Zheng
2018-03-16 17:53 ` Icenowy Zheng
2018-03-16 17:53 ` [PATCH 5/7] arm64: allwinner: a64: add DE2 CCU related device tree nodes Icenowy Zheng
2018-03-16 17:53 ` Icenowy Zheng
2018-03-16 17:53 ` Icenowy Zheng
2018-03-20 18:47 ` Maxime Ripard
2018-03-20 18:47 ` Maxime Ripard
2018-03-16 17:53 ` [PATCH 6/7] arm64: allwinner: a64: add simplefb for A64 SoC Icenowy Zheng
2018-03-16 17:53 ` Icenowy Zheng
2018-03-16 17:53 ` Icenowy Zheng
2018-03-16 17:53 ` [PATCH 7/7] arm64: allwinner: a64: add HDMI regulator to all DTs' simplefb_hdmi Icenowy Zheng
2018-03-16 17:53 ` Icenowy Zheng
2018-03-16 17:53 ` Icenowy Zheng
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