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From: shawnguo@kernel.org (Shawn Guo)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 2/4] arm64: add basic DTS for i.MX8MQ
Date: Mon, 5 Feb 2018 16:45:06 +0800	[thread overview]
Message-ID: <20180205084505.GV31354@dragon> (raw)
In-Reply-To: <HE1PR04MB3113FF72B02D642392D625DF87F90@HE1PR04MB3113.eurprd04.prod.outlook.com>

On Fri, Feb 02, 2018 at 08:13:56AM +0000, Jacky Bai wrote:
> > Subject: [PATCH v2 2/4] arm64: add basic DTS for i.MX8MQ
> > 
> > This adds the basic DTS for the i.MX8MQ.
> > For now only the following peripherals are supported:
> > - IOMUXC (pin controller)
> > - CCM (clock controller)
> > - GPIO
> > - UART
> > - uSDHC (SD/eMMC controller)
> > - FEC (ethernet controller)
> > - i2c
> > 
> > This is enough to get a very basic board support up and running.
> > 
> > One known limitation is that the driver for the GPC interrupt
> > controller is still missing, rendering the CPU sleep states unusable
> > as there is nothing waking them up anymore. This will be fixed in
> > due course.
> > 
> 
> The cpu sleep states can NOT be supported in community kernel due to hardware limitation.

Jacky,

Can you elaborate your comment a bit?  If it's a hardware limitation, I
guess not only community but also vendor kernel has no way to support
sleep states, right?

Shawn

  reply	other threads:[~2018-02-05  8:45 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-01 18:31 [PATCH v2 1/4] arm64: add basic Kconfig symbols for i.MX8 Lucas Stach
2018-02-01 18:31 ` [PATCH v2 2/4] arm64: add basic DTS for i.MX8MQ Lucas Stach
2018-02-02  8:13   ` Jacky Bai
2018-02-05  8:45     ` Shawn Guo [this message]
2018-02-05  9:07       ` Jacky Bai
2018-02-05  6:09   ` Rob Herring
2018-02-05 15:00   ` Marc Zyngier
2018-02-25 10:47   ` A.s. Dong
2018-02-26  3:17     ` Shawn Guo
2018-02-26  6:52       ` A.s. Dong
2018-02-26  7:09         ` Shawn Guo
2018-02-26  8:07           ` A.s. Dong
2018-03-09  3:23   ` Shawn Guo
2018-02-01 18:31 ` [PATCH v2 3/4] arm64: add support for i.MX8M EVK board Lucas Stach
2018-02-05  6:09   ` Rob Herring
2018-02-05  7:24   ` Baruch Siach
2018-02-05 11:10     ` Lucas Stach
2018-02-23  3:46       ` Shawn Guo
2018-02-23  4:32         ` Baruch Siach
2018-02-23  7:05           ` Shawn Guo
2018-02-23 15:03   ` Shawn Guo
2018-02-23 15:30     ` Juergen Borleis
2018-02-23 15:46       ` Lucas Stach
2018-02-24  2:58         ` Bough Chen
2018-02-24  6:00           ` Shawn Guo
2018-02-25  9:54             ` A.s. Dong
2018-02-23 15:45     ` Lucas Stach
2018-02-25 10:00       ` A.s. Dong
2018-02-01 18:31 ` [PATCH v2 4/4] MAINTAINERS: add i.MX8 DT path to i.MX architecture Lucas Stach
2018-02-23 14:56 ` [PATCH v2 1/4] arm64: add basic Kconfig symbols for i.MX8 Shawn Guo
2018-02-25 10:17   ` A.s. Dong

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