From: Maxime Ripard <maxime.ripard@bootlin.com>
To: Mesih Kilinc <mesihkilinc@gmail.com>
Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org,
linux-gpio@vger.kernel.org, linux-sunxi@googlegroups.com,
Chen-Yu Tsai <wens@csie.org>,
Russell King <linux@armlinux.org.uk>,
Daniel Lezcano <daniel.lezcano@linaro.org>,
Marc Zyngier <marc.zyngier@arm.com>,
Linus Walleij <linus.walleij@linaro.org>,
Icenowy Zheng <icenowy@aosc.io>, Rob Herring <robh+dt@kernel.org>,
Julian Calaby <julian.calaby@gmail.com>
Subject: Re: [RFC PATCH v3 01/17] ARM: add CONFIG_ARCH_SUNXI_V7 for differentiate ARMv5/v7 Allwinner SoCs
Date: Thu, 22 Nov 2018 16:57:03 +0100 [thread overview]
Message-ID: <20181122155703.wsziwzybqwcmn25w@flea> (raw)
In-Reply-To: <20181122150751.n26pvywmvnuglly5@ThinkPad>
[-- Attachment #1: Type: text/plain, Size: 1949 bytes --]
On Thu, Nov 22, 2018 at 06:07:51PM +0300, Mesih Kilinc wrote:
> On 18/11/22 09:26, Maxime Ripard wrote:
> > On Wed, Nov 21, 2018 at 09:30:34PM +0300, Mesih Kilinc wrote:
> > > Allwinner also has some ARMv5 SoCs.
> > >
> > > In order to add support for them, add a CONFIG_ARCH_SUNXI_V7 bool config
> > > which is selected when a ARMv7 soc is selected, and make CONFIG_ARCH_SUNXI
> > > a common option which is selected by both V7 and V5 sunxi option.
> > >
> > > Signed-off-by: Mesih Kilinc <mesihkilinc@gmail.com>
> > > ---
> > > arch/arm/mach-sunxi/Kconfig | 23 ++++++++++++++++-------
> > > 1 file changed, 16 insertions(+), 7 deletions(-)
> > >
> > > diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig
> > > index d9c8ecf..7e5f173 100644
> > > --- a/arch/arm/mach-sunxi/Kconfig
> > > +++ b/arch/arm/mach-sunxi/Kconfig
> > > @@ -6,31 +6,38 @@ menuconfig ARCH_SUNXI
> > > select GENERIC_IRQ_CHIP
> > > select GPIOLIB
> > > select PINCTRL
> > > - select PM_OPP
> > > select SUN4I_TIMER
> > > select RESET_CONTROLLER
> > > + help
> > > + Support for Allwinner ARM-based family of processors
> > >
> > > if ARCH_SUNXI
> > >
> > > +if ARCH_MULTI_V7
> > > +
> > > +config ARCH_SUNXI_V7
> > > + bool
> > > + select PM_OPP
> > > +
> >
> > Actually, thinking more about this, I don't see why the PM_OPP config
> > option should be made specific to the ARMv7 sunxi SoCs, you will have
> > things cpufreq enabled at some point as well on the armv5 support.
> >
> OK. I was basing this code to the first patch series.
> So there will be no need for ARCH_SUNXI_VX configs. Should I drop them
> and differantiate IC's by only ARCH_MULTI_VX?
Yeah, that's probably enough for now, and we can always merge some
patch along those lines if we ever need it later.
Thanks!
Maxime
--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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next prev parent reply other threads:[~2018-11-22 15:57 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-21 18:30 [RFC PATCH v3 00/17] initial support for "suniv" Allwinner new ARM9 SoC Mesih Kilinc
2018-11-21 18:30 ` [RFC PATCH v3 01/17] ARM: add CONFIG_ARCH_SUNXI_V7 for differentiate ARMv5/v7 Allwinner SoCs Mesih Kilinc
2018-11-22 8:26 ` Maxime Ripard
2018-11-22 15:07 ` Mesih Kilinc
2018-11-22 15:57 ` Maxime Ripard [this message]
2018-11-21 18:30 ` [RFC PATCH v3 02/17] dt-bindings: arm: Add new Allwinner ARMv5 F1C100s SoC Mesih Kilinc
2018-11-22 8:26 ` Maxime Ripard
2018-11-21 18:30 ` [RFC PATCH v3 03/17] ARM: sunxi: add Allwinner ARMv5 SoCs Mesih Kilinc
2018-11-22 8:27 ` Maxime Ripard
2018-11-21 18:30 ` [RFC PATCH v3 04/17] dt-bindings: interrupt-controller: Add suniv interrupt-controller Mesih Kilinc
2018-11-22 8:27 ` Maxime Ripard
2018-11-21 18:30 ` [RFC PATCH v3 05/17] irqchip/sun4i: add support for suniv interrupt controller Mesih Kilinc
2018-11-22 8:35 ` Maxime Ripard
2018-11-22 15:02 ` Mesih Kilinc
2018-11-22 15:59 ` Maxime Ripard
2018-11-21 18:30 ` [RFC PATCH v3 06/17] dt-bindings: timer: Add Allwinner suniv timer Mesih Kilinc
2018-11-22 8:35 ` Maxime Ripard
2018-11-21 18:30 ` [RFC PATCH v3 07/17] clocksource: sun4i: add a compatible for suniv Mesih Kilinc
2018-11-22 8:36 ` Maxime Ripard
2018-11-22 13:23 ` Daniel Lezcano
2018-11-21 18:30 ` [RFC PATCH v3 08/17] dt-bindings: pinctrl: Add Allwinner suniv F1C100s pinctrl Mesih Kilinc
2018-11-22 8:36 ` Maxime Ripard
2018-11-21 18:30 ` [RFC PATCH v3 09/17] pinctrl: sunxi: add support for suniv F1C100s (newer F-series SoCs) Mesih Kilinc
2018-11-22 8:36 ` Maxime Ripard
2018-11-22 8:45 ` Maxime Ripard
2018-11-21 18:30 ` [RFC PATCH v3 10/17] dt-bindings: clock: Add Allwinner suniv F1C100s CCU Mesih Kilinc
2018-11-22 8:37 ` Maxime Ripard
2018-11-21 18:30 ` [RFC PATCH v3 11/17] clk: sunxi-ng: add support for suniv F1C100s SoC Mesih Kilinc
2018-11-22 8:38 ` Maxime Ripard
2018-11-21 18:30 ` [RFC PATCH v3 12/17] dt-bindings: sram: Add Allwinner suniv F1C100s Mesih Kilinc
2018-11-22 8:39 ` Maxime Ripard
2018-11-21 18:30 ` [RFC PATCH v3 13/17] SoC: sunxi: Add support for Allwinner ARMv5 F1C100s sram Mesih Kilinc
2018-11-22 8:39 ` Maxime Ripard
2018-11-21 18:30 ` [RFC PATCH v3 14/17] dt-bindings: watchdog: Add Allwinner ARMv5 F1C100s wdt Mesih Kilinc
2018-11-22 8:39 ` Maxime Ripard
2018-11-21 18:30 ` [RFC PATCH v3 15/17] watchdog: Add support for " Mesih Kilinc
2018-11-21 18:30 ` [RFC PATCH v3 16/17] ARM: dts: suniv: add initial DTSI file for F1C100s Mesih Kilinc
2018-11-22 8:43 ` Maxime Ripard
2018-11-21 18:30 ` [RFC PATCH v3 17/17] ARM: suniv: f1c100s: add device tree for Lichee Pi Nano Mesih Kilinc
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