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From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
To: Eric Anholt <eric@anholt.net>, Stefan Wahren <wahrenst@gmx.net>,
	Florian Fainelli <f.fainelli@gmail.com>,
	Ray Jui <rjui@broadcom.com>,
	Scott Branden <sbranden@broadcom.com>,
	 Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Linus Walleij <linus.walleij@linaro.org>,
	Michael Turquette <mturquette@baylibre.com>,
	 Stephen Boyd <sboyd@kernel.org>,
	Ulf Hansson <ulf.hansson@linaro.org>,
	Adrian Hunter <adrian.hunter@intel.com>,
	 Mark Brown <broonie@kernel.org>
Cc: bcm-kernel-feedback-list@broadcom.com,
	linux-rpi-kernel@lists.infradead.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH RFC 00/18] ARM: Add minimal Raspberry Pi 4 support
Date: Fri, 19 Jul 2019 15:18:24 +0200
Message-ID: <3cb7169bf90fdf1388ef89f154225950d51be56f.camel@suse.de> (raw)
In-Reply-To: <877e8fgp1t.fsf@anholt.net>

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On Thu, 2019-07-18 at 11:45 -0700, Eric Anholt wrote:
> Stefan Wahren <wahrenst@gmx.net> writes:
> 
> > This series adds minimal support for the new Raspberry Pi 4, so we are able
> > to login via debug UART.
> > 
> > Patch 1-5:   Prepare platform and DTS for the new SoC BMC2838
> > Patch 6-9:   Enable support for emmc2 on BCM2838
> > Patch 10-14: Enable pinctrl for BCM2838
> > Patch 15:    Enable SPI support for BCM2838
> > Patch 16-18: Add Raspberry Pi 4 DTS support
> > 
> > Unfortunately the Raspberry Pi Foundation didn't released a
> > peripheral documentation for the new SoC yet. So we only have a preliminary
> > datasheet [1] and reduced schematics [2].
> > 
> > This series is marked as RFC because some parts (e.g. pinctrl) are still
> > work in progress.
> > 
> > [1] - 
> > 
https://www.raspberrypi.org/documentation/hardware/raspberrypi/bcm2711/rpi_DATA_2711_1p0_preliminary.pdf
> > [2] - 
> > 
https://www.raspberrypi.org/documentation/hardware/raspberrypi/schematics/rpi_SCH_4b_4p0_reduced.pdf
> > 
> > Discussible things:
> > - SoC compatible BCM2711 (as on the SoC label) vs BCM2838 (existing naming
> > scheme)
> > - ARCH membership ARCH_BCM2835 vs ARCH_BCMSTB
> 
> Thanks for taking this on!
> 
> I would love to see us drop this silly upstream/downstream compatible
> string naming scheme and just use 2711 (or 7211 for modules shared with
> 7211 that were enabled there first).  However, I don't feel that
> strongly about it when I'm not the one doing the work.

In the long run it would have the added benefit of being able to use all the
overlays the RPi Foundation supports. That said I agree with Eric's sentiment.


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Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-17 19:50 Stefan Wahren
2019-07-17 19:50 ` [PATCH RFC 01/18] ARM: bcm283x: Reduce register ranges for UART, SPI and I2C Stefan Wahren
2019-07-17 19:50 ` [PATCH RFC 02/18] ARM: bcm2835: DMA can only address 1GB Stefan Wahren
2019-07-17 19:50 ` [PATCH RFC 03/18] ARM: dts: bcm283x: Move BCM2835/6/7 specific to bcm2835-common.dtsi Stefan Wahren
2019-07-17 19:50 ` [PATCH RFC 04/18] ARM: dts: bcm283x: Define MMC interfaces at board level Stefan Wahren
2019-07-17 19:50 ` [PATCH RFC 05/18] ARM: dts: bcm283x: Define memory " Stefan Wahren
2019-07-17 19:50 ` [PATCH RFC 06/18] dt-bindings: bcm2835-cprman: Add bcm2838 support Stefan Wahren
2019-07-17 19:50 ` [PATCH RFC 07/18] clk: bcm2835: Add BCM2838_CLOCK_EMMC2 support Stefan Wahren
2019-07-18  8:47   ` Matthias Brugger
2019-07-18 16:51     ` Florian Fainelli
2019-07-18 18:37       ` Eric Anholt
2019-07-19 16:40         ` Stefan Wahren
2019-07-19 19:49           ` Eric Anholt
2019-07-17 19:50 ` [PATCH RFC 08/18] dt-bindings: sdhci-iproc: Add brcm,bcm2838-emmc2 Stefan Wahren
2019-07-17 19:50 ` [PATCH RFC 09/18] mmc: sdhci-iproc: Add support for emmc2 of the BCM2838 Stefan Wahren
2019-07-18  8:34   ` Matthias Brugger
2019-07-18 16:40     ` Florian Fainelli
2019-07-18 16:48       ` Matthias Brugger
2019-07-18 16:52         ` Florian Fainelli
2019-07-18 17:46         ` Stefan Wahren
2019-07-18 18:09         ` Stefan Wahren
2019-07-18 18:19           ` Andrei Gherzan
2019-07-17 19:50 ` [PATCH RFC 10/18] pinctrl: bcm2835: bcm7211: Add support for 7211 pull-up functionality Stefan Wahren
2019-08-02 22:05   ` Linus Walleij
2019-07-17 19:50 ` [PATCH RFC 11/18] pinctrl: bcm2835: Fix BCM7211 pinconf handling Stefan Wahren
2019-08-02 22:06   ` Linus Walleij
2019-07-17 19:50 ` [PATCH RFC 12/18] dt-bindings: pinctrl: bcm2835: Add brcm, bcm2838 compatible Stefan Wahren
2019-07-17 19:50 ` [PATCH RFC 13/18] pinctrl: bcm2835: Add BCM2838 support Stefan Wahren
2019-08-02 22:08   ` Linus Walleij
2019-07-18 18:45 ` [PATCH RFC 00/18] ARM: Add minimal Raspberry Pi 4 support Eric Anholt
2019-07-18 18:58   ` Florian Fainelli
2019-07-19 13:18   ` Nicolas Saenz Julienne [this message]

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