From: Hector Martin <marcan@marcan.st>
To: Tony Lindgren <tony@atomide.com>
Cc: Arnd Bergmann <arnd@kernel.org>,
devicetree@vger.kernel.org, Marc Zyngier <maz@kernel.org>,
linux-kernel@vger.kernel.org,
Krzysztof Kozlowski <krzk@kernel.org>,
soc@kernel.org, robh+dt@kernel.org,
Olof Johansson <olof@lixom.net>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 18/18] arm64: apple: Add initial Mac Mini 2020 (M1) devicetree
Date: Wed, 10 Feb 2021 20:07:49 +0900 [thread overview]
Message-ID: <4481998a-27f6-951e-bb4f-a9d2b95f211f@marcan.st> (raw)
In-Reply-To: <YCOzLSqdsr83xf0b@atomide.com>
On 10/02/2021 19.19, Tony Lindgren wrote:
> * Hector Martin 'marcan' <marcan@marcan.st> [210208 12:05]:
>> On 08/02/2021 20.04, Krzysztof Kozlowski wrote:
> ...
>
>>>> + clk24: clk24 {
>>>
>>> Just "clock". Node names should be generic.
>>
>> Really? Almost every other device device tree uses unique clock node names.
>
> Yeah please just use generic node name "clock". FYI, we're still hurting
> because of this for the TI clock node names years after because the drivers
> got a chance to rely on the clock node name..
>
> Using "clock" means your clock driver code won't get a chance to wrongly
> use the node name and you avoid similar issues.
That means it'll end up like this (so that we can have more than one
fixed-clock):
clocks {
#address-cells = <1>;
#size-cells = <0>;
clk123: clock@0 {
...
reg = <0>
}
clk456: clock@1 {
...
reg = <1>
}
}
Correct?
Incidentally, there is just one example in the kernel tree of doing this
right (in arch/arm/boot/dts/imx6qdl-tx6.dtsi). All the others that use
non-mmio clocks called `clock`, including the various tegra devicetrees,
violate the DT spec by not including a dummy reg property matching the
unit-address.
--
Hector Martin (marcan@marcan.st)
Public Key: https://mrcn.st/pub
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next prev parent reply other threads:[~2021-02-10 11:09 UTC|newest]
Thread overview: 118+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-04 20:39 [PATCH 00/18] Apple M1 SoC platform bring-up Hector Martin
2021-02-04 20:39 ` [PATCH 01/18] dt-bindings: vendor-prefixes: add AAPL prefix Hector Martin
2021-02-08 10:27 ` Krzysztof Kozlowski
2021-02-08 17:32 ` Rob Herring
2021-02-08 18:12 ` Krzysztof Kozlowski
2021-02-08 19:59 ` Arnd Bergmann
2021-02-08 23:17 ` Hector Martin
2021-02-04 20:39 ` [PATCH 02/18] dt-bindings: arm: cpus: Add AAPL, firestorm & icestorm compatibles Hector Martin
2021-02-04 20:39 ` [PATCH 03/18] dt-bindings: arm: AAPL: Add bindings for Apple ARM platforms Hector Martin
2021-02-04 20:39 ` [PATCH 04/18] arm64: Kconfig: Introduce CONFIG_ARCH_APPLE Hector Martin
2021-02-06 13:17 ` Marc Zyngier
2021-02-07 8:05 ` Hector Martin 'marcan'
2021-02-04 20:39 ` [PATCH 05/18] tty: serial: samsung_tty: add support for Apple UARTs Hector Martin
2021-02-04 23:55 ` kernel test robot
2021-02-05 9:44 ` Hector Martin 'marcan'
2021-02-05 2:19 ` kernel test robot
2021-02-06 13:15 ` Marc Zyngier
2021-02-07 9:12 ` Hector Martin 'marcan'
2021-02-07 9:26 ` Hector Martin 'marcan'
2021-02-08 9:36 ` Krzysztof Kozlowski
2021-02-08 16:14 ` Hector Martin
2021-02-08 10:34 ` Marc Zyngier
2021-02-08 16:18 ` Hector Martin
2021-02-08 16:46 ` Greg Kroah-Hartman
2021-02-08 23:22 ` Hector Martin
2021-02-08 10:54 ` Krzysztof Kozlowski
2021-02-08 16:10 ` Hector Martin
2021-02-08 18:37 ` Krzysztof Kozlowski
2021-02-08 23:23 ` Hector Martin
2021-02-04 20:39 ` [PATCH 06/18] dt-bindings: serial: samsung: Add AAPL, s5l-uart compatible Hector Martin
2021-02-04 20:39 ` [PATCH 07/18] tty: serial: samsung_tty: enable for ARCH_APPLE Hector Martin
2021-02-04 21:16 ` Arnd Bergmann
2021-02-04 21:27 ` Hector Martin 'marcan'
2021-02-04 20:39 ` [PATCH 08/18] arm64: cpufeature: Add a feature for FIQ support Hector Martin
2021-02-06 13:58 ` Marc Zyngier
2021-02-07 8:28 ` Hector Martin 'marcan'
2021-02-08 11:29 ` Marc Zyngier
2021-02-08 15:51 ` Hector Martin
2021-02-04 20:39 ` [PATCH 09/18] arm64: cputype: Add CPU types for the Apple M1 big/little cores Hector Martin
2021-02-04 20:39 ` [PATCH 10/18] arm64: Introduce FIQ support Hector Martin
2021-02-06 15:37 ` Marc Zyngier
2021-02-06 16:22 ` Arnd Bergmann
2021-02-07 8:36 ` Hector Martin 'marcan'
2021-02-07 12:25 ` Arnd Bergmann
2021-02-07 15:38 ` Hector Martin 'marcan'
2021-02-07 18:49 ` Arnd Bergmann
2021-02-08 23:34 ` Hector Martin
2021-02-07 8:47 ` Hector Martin 'marcan'
2021-02-08 11:30 ` Marc Zyngier
2021-02-04 20:39 ` [PATCH 11/18] arm64: Kconfig: Require FIQ support for ARCH_APPLE Hector Martin
2021-02-06 15:46 ` Marc Zyngier
2021-02-07 9:23 ` Hector Martin 'marcan'
2021-02-08 12:05 ` Marc Zyngier
2021-02-08 15:48 ` Hector Martin
2021-02-04 20:39 ` [PATCH 12/18] arm64: setup: Use nGnRnE IO mappings for fixmap on Apple platforms Hector Martin
2021-02-04 22:25 ` Arnd Bergmann
2021-02-04 20:39 ` [PATCH 13/18] arm64: ioremap: use nGnRnE mappings on platforms that require it Hector Martin
2021-02-04 22:21 ` Arnd Bergmann
2021-02-08 22:57 ` Arnd Bergmann
2021-02-08 23:20 ` Mark Kettenis
2021-02-09 0:25 ` Hector Martin
2021-02-09 9:15 ` Arnd Bergmann
2021-02-09 9:58 ` Mark Kettenis
2021-02-09 11:22 ` Hector Martin
2021-02-09 9:35 ` Arnd Bergmann
2021-02-10 12:24 ` Hector Martin
2021-02-10 13:40 ` Mark Kettenis
2021-02-04 20:39 ` [PATCH 14/18] dt-bindings: interrupt-controller: Add DT bindings for apple-aic Hector Martin
2021-02-09 23:07 ` Rob Herring
2021-02-04 20:39 ` [PATCH 15/18] irqchip/apple-aic: Add support for the Apple Interrupt Controller Hector Martin
2021-02-04 21:37 ` Arnd Bergmann
2021-02-04 22:04 ` Hector Martin 'marcan'
2021-02-04 23:04 ` Arnd Bergmann
2021-02-05 7:41 ` Hector Martin 'marcan'
2021-02-05 10:33 ` Arnd Bergmann
2021-02-05 2:27 ` kernel test robot
2021-02-05 9:45 ` Hector Martin 'marcan'
2021-02-08 9:25 ` Marc Zyngier
2021-02-08 10:29 ` Arnd Bergmann
2021-02-08 11:13 ` Hector Martin 'marcan'
2021-02-08 11:21 ` Arnd Bergmann
2021-02-08 11:36 ` Marc Zyngier
2021-02-08 12:17 ` Arnd Bergmann
2021-02-08 15:31 ` Hector Martin
2021-02-09 6:20 ` Hector Martin
2021-02-04 20:39 ` [PATCH 16/18] irqchip/apple-aic: Add SMP / IPI support Hector Martin
2021-02-04 20:39 ` [PATCH 17/18] dt-bindings: display: add AAPL,simple-framebuffer Hector Martin
2021-02-04 20:39 ` [PATCH 18/18] arm64: apple: Add initial Mac Mini 2020 (M1) devicetree Hector Martin
2021-02-04 21:29 ` Arnd Bergmann
2021-02-04 21:44 ` Hector Martin 'marcan'
2021-02-04 23:08 ` Arnd Bergmann
2021-02-05 7:11 ` Hector Martin 'marcan'
2021-02-05 12:43 ` Arnd Bergmann
2021-02-08 11:04 ` Krzysztof Kozlowski
2021-02-08 11:56 ` Hector Martin 'marcan'
2021-02-08 12:13 ` Krzysztof Kozlowski
2021-02-08 12:40 ` Arnd Bergmann
2021-02-08 14:12 ` Hector Martin
2021-02-08 17:58 ` Rob Herring
2021-02-09 0:32 ` Hector Martin
2021-02-08 19:14 ` Rob Herring
2021-02-09 0:49 ` Hector Martin
2021-02-09 2:05 ` Rob Herring
2021-02-10 10:19 ` Tony Lindgren
2021-02-10 11:07 ` Hector Martin [this message]
2021-02-10 11:34 ` Tony Lindgren
2021-02-10 11:43 ` Hector Martin
2021-02-10 12:24 ` Daniel Palmer
2021-02-10 12:54 ` Tony Lindgren
2021-02-10 12:56 ` Hector Martin
2021-02-10 12:55 ` Krzysztof Kozlowski
2021-02-10 13:19 ` Tony Lindgren
2021-02-10 13:25 ` Krzysztof Kozlowski
2021-02-08 12:27 ` Marc Zyngier
2021-02-08 14:53 ` Hector Martin
2021-02-08 15:36 ` Marc Zyngier
2021-02-04 22:43 ` [PATCH 00/18] Apple M1 SoC platform bring-up Arnd Bergmann
2021-02-05 11:35 ` Hector Martin 'marcan'
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