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From: "Andrew Jeffery" <andrew@aj.id.au>
To: "Bartosz Golaszewski" <bgolaszewski@baylibre.com>,
	"Steven Lee" <steven_lee@aspeedtech.com>,
	"Joel Stanley" <joel@jms.id.au>
Cc: "Linus Walleij" <linus.walleij@linaro.org>,
	"Rob Herring" <robh+dt@kernel.org>,
	"open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
	<devicetree@vger.kernel.org>,
	"moderated list:ARM/ASPEED MACHINE SUPPORT" 
	<linux-arm-kernel@lists.infradead.org>,
	"moderated list:ARM/ASPEED MACHINE SUPPORT" 
	<linux-aspeed@lists.ozlabs.org>,
	"open list" <linux-kernel@vger.kernel.org>,
	"Hongwei Zhang" <Hongweiz@ami.com>,
	"Ryan Chen" <ryan_chen@aspeedtech.com>,
	"Billy Tsai" <billy_tsai@aspeedtech.com>
Subject: Re: [PATCH v6 0/9] ASPEED sgpio driver enhancement.
Date: Tue, 03 Aug 2021 14:18:51 +0930	[thread overview]
Message-ID: <58256e8f-6c9a-4ad4-b51e-4048b6feb42a@www.fastmail.com> (raw)
In-Reply-To: <CAMpxmJU4jN-hpNYPLHLbjx4uZ6vDqcyuMVQXhHg1BWXOqyS22A@mail.gmail.com>



On Fri, 23 Jul 2021, at 17:00, Bartosz Golaszewski wrote:
> On Fri, Jul 23, 2021 at 5:16 AM Steven Lee <steven_lee@aspeedtech.com> wrote:
> >
> > The 07/21/2021 21:27, Bartosz Golaszewski wrote:
> > > On Mon, Jul 12, 2021 at 12:03 PM Steven Lee <steven_lee@aspeedtech.com> wrote:
> > > >
> > > > AST2600 SoC has 2 SGPIO master interfaces one with 128 pins another one
> > > > with 80 pins, AST2500/AST2400 SoC has 1 SGPIO master interface that
> > > > supports up to 80 pins.
> > > > In the current driver design, the max number of sgpio pins is hardcoded
> > > > in macro MAX_NR_HW_SGPIO and the value is 80.
> > > >
> > > > For supporting sgpio master interfaces of AST2600 SoC, the patch series
> > > > contains the following enhancement:
> > > > - Convert txt dt-bindings to yaml.
> > > > - Update aspeed-g6 dtsi to support the enhanced sgpio.
> > > > - Support muiltiple SGPIO master interfaces.
> > > > - Support up to 128 pins by dts ngpios property.
> > > > - Pair input/output GPIOs instead of using 0 as GPIO input pin base and
> > > >   MAX_NR_HW_SGPIO as GPIO output pin base.
> > > > - Support wdt reset tolerance.
> > > > - Fix irq_chip issues which causes multiple sgpio devices use the same
> > > >   irq_chip data.
> > > > - Replace all of_*() APIs with device_*().
> > > >
> > > > Changes from v5:
> > > > * Squash v5 patch-05 and patch-06 to one patch.
> > > > * Remove MAX_NR_HW_SGPIO and corresponding design to make the gpio
> > > >   input/output pin base are determined by ngpios.
> > > >   For example, if MAX_NR_HW_SGPIO is 80 and ngpios is 10, the original
> > > >   pin order is as follows:
> > > >     Input:
> > > >     0 1 2 3 ... 9
> > > >     Output:
> > > >     80 81 82 ... 89
> > > >
> > > >   With the new design, pin order is changed as follows:
> > > >     Input:
> > > >     0 2 4 6 ... 18(ngpios * 2 - 2)
> > > >     Output:
> > > >     1 3 5 7 ... 19(ngpios * 2 - 1)
> > > > * Replace ast2600-sgpiom-128 and ast2600-sgpiom-80 compatibles by
> > > >   ast2600-sgpiom.
> > > > * Fix coding style issues.
> > > >
> > > > Changes from v4:
> > > > * Remove ngpios from dtsi
> > > > * Add ast2400 and ast2500 platform data.
> > > > * Remove unused macros.
> > > > * Add ngpios check in a separate patch.
> > > > * Fix coding style issues.
> > > >
> > > > Changes from v3:
> > > > * Split dt-bindings patch to 2 patches
> > > > * Rename ast2600-sgpiom1 compatible with ast2600-sgiom-128
> > > > * Rename ast2600-sgpiom2 compatible with ast2600-sgiom-80
> > > > * Correct the typo in commit messages.
> > > > * Fix coding style issues.
> > > > * Replace all of_*() APIs with device_*().
> > > >
> > > > Changes from v2:
> > > > * Remove maximum/minimum of ngpios from bindings.
> > > > * Remove max-ngpios from bindings and dtsi.
> > > > * Remove ast2400-sgpiom and ast2500-sgpiom compatibles from dts and
> > > >   driver.
> > > > * Add ast2600-sgpiom1 and ast2600-sgpiom2 compatibles as their max
> > > >   number of available gpio pins are different.
> > > > * Modify functions to pass aspeed_sgpio struct instead of passing
> > > >   max_ngpios.
> > > > * Split sgpio driver patch to 3 patches
> > > >
> > > > Changes from v1:
> > > > * Fix yaml format issues.
> > > > * Fix issues reported by kernel test robot.
> > > >
> > > > Please help to review.
> > > >
> > > > Thanks,
> > > > Steven
> > > >
> > > > Steven Lee (9):
> > > >   dt-bindings: aspeed-sgpio: Convert txt bindings to yaml.
> > > >   dt-bindings: aspeed-sgpio: Add ast2600 sgpio
> > > >   ARM: dts: aspeed-g6: Add SGPIO node.
> > > >   ARM: dts: aspeed-g5: Remove ngpios from sgpio node.
> > > >   gpio: gpio-aspeed-sgpio: Add AST2600 sgpio support
> > > >   gpio: gpio-aspeed-sgpio: Add set_config function
> > > >   gpio: gpio-aspeed-sgpio: Move irq_chip to aspeed-sgpio struct
> > > >   gpio: gpio-aspeed-sgpio: Use generic device property APIs
> > > >   gpio: gpio-aspeed-sgpio: Return error if ngpios is not multiple of 8.
> > > >
> > > >  .../bindings/gpio/aspeed,sgpio.yaml           |  77 ++++++++
> > > >  .../devicetree/bindings/gpio/sgpio-aspeed.txt |  46 -----
> > > >  arch/arm/boot/dts/aspeed-g5.dtsi              |   1 -
> > > >  arch/arm/boot/dts/aspeed-g6.dtsi              |  28 +++
> > > >  drivers/gpio/gpio-aspeed-sgpio.c              | 178 +++++++++++-------
> > > >  5 files changed, 215 insertions(+), 115 deletions(-)
> > > >  create mode 100644 Documentation/devicetree/bindings/gpio/aspeed,sgpio.yaml
> > > >  delete mode 100644 Documentation/devicetree/bindings/gpio/sgpio-aspeed.txt
> > > >
> > > > --
> > > > 2.17.1
> > > >
> > >
> > > The series looks good to me. Can the DTS and GPIO patches go into
> > > v5.15 separately?
> > >
> >
> > Hi Bart,
> >
> > Thanks for the review.
> > Shall we do anything to make the patches go into v5.15 or wait for picking-up?
> >
> > Steven
> >
> > > Bart
> 
> It's more of a question to the relevant SoC maintainers.
> 
> Joel, Andrew: can I take the GPIO patches through the GPIO tree and
> you'll take the ARM patches separately into v5.15?

I think that should be okay. I'll poke Joel.

Andrew

  reply	other threads:[~2021-08-03  4:49 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-12 10:03 [PATCH v6 0/9] ASPEED sgpio driver enhancement Steven Lee
2021-07-12 10:03 ` [PATCH v6 1/9] dt-bindings: aspeed-sgpio: Convert txt bindings to yaml Steven Lee
2021-07-23  9:55   ` Linus Walleij
2021-07-12 10:03 ` [PATCH v6 2/9] dt-bindings: aspeed-sgpio: Add ast2600 sgpio Steven Lee
2021-07-13 22:44   ` Rob Herring
2021-07-23  9:55   ` Linus Walleij
2021-07-12 10:03 ` [PATCH v6 3/9] ARM: dts: aspeed-g6: Add SGPIO node Steven Lee
2021-07-12 10:03 ` [PATCH v6 4/9] ARM: dts: aspeed-g5: Remove ngpios from sgpio node Steven Lee
2021-07-12 10:03 ` [PATCH v6 5/9] gpio: gpio-aspeed-sgpio: Add AST2600 sgpio support Steven Lee
2021-07-23  9:57   ` Linus Walleij
2021-07-12 10:03 ` [PATCH v6 6/9] gpio: gpio-aspeed-sgpio: Add set_config function Steven Lee
2021-07-23  9:58   ` Linus Walleij
2021-07-12 10:03 ` [PATCH v6 7/9] gpio: gpio-aspeed-sgpio: Move irq_chip to aspeed-sgpio struct Steven Lee
2021-07-23  9:59   ` Linus Walleij
2021-07-12 10:03 ` [PATCH v6 8/9] gpio: gpio-aspeed-sgpio: Use generic device property APIs Steven Lee
2021-07-23  9:59   ` Linus Walleij
2021-07-12 10:03 ` [PATCH v6 9/9] gpio: gpio-aspeed-sgpio: Return error if ngpios is not multiple of 8 Steven Lee
2021-07-23 10:00   ` Linus Walleij
2021-07-21 13:27 ` [PATCH v6 0/9] ASPEED sgpio driver enhancement Bartosz Golaszewski
2021-07-23  3:16   ` Steven Lee
2021-07-23  7:30     ` Bartosz Golaszewski
2021-08-03  4:48       ` Andrew Jeffery [this message]
2021-08-03  5:57         ` Joel Stanley
2021-08-05 19:17           ` Bartosz Golaszewski

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