From: Will Deacon <will.deacon@arm.com>
To: Rob Herring <robh@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
devicetree@vger.kernel.org, Kumar Gala <kumar.gala@linaro.org>,
ARM-SoC Maintainers <arm@kernel.org>,
Sean Hudson <darknighte@darknighte.com>,
Frank Rowand <frowand.list@gmail.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Grant Likely <grant.likely@arm.com>,
linuxppc-dev <linuxppc-dev@lists.ozlabs.org>,
"moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v2 08/34] dt-bindings: arm: Convert PMU binding to json-schema
Date: Thu, 6 Dec 2018 14:37:23 +0000 [thread overview]
Message-ID: <20181206143722.GA14887@arm.com> (raw)
In-Reply-To: <CAL_Jsq+YsVB8Ew=cb5W54eirMpAAOR7ApahCbHOtp2m3wpJYSg@mail.gmail.com>
On Wed, Dec 05, 2018 at 09:42:04AM -0600, Rob Herring wrote:
> On Wed, Dec 5, 2018 at 4:08 AM Will Deacon <will.deacon@arm.com> wrote:
> > On Mon, Dec 03, 2018 at 03:31:57PM -0600, Rob Herring wrote:
> > > +properties:
> > > + compatible:
> > > + oneOf:
> > > + - items:
> > > + - enum:
> > > + - apm,potenza-pmu
> > > + - arm,armv8-pmuv3
> > > + - arm,cortex-a73-pmu
> > > + - arm,cortex-a72-pmu
> > > + - arm,cortex-a57-pmu
> > > + - arm,cortex-a53-pmu
> > > + - arm,cortex-a35-pmu
> > > + - arm,cortex-a17-pmu
> > > + - arm,cortex-a15-pmu
> > > + - arm,cortex-a12-pmu
> > > + - arm,cortex-a9-pmu
> > > + - arm,cortex-a8-pmu
> > > + - arm,cortex-a7-pmu
> > > + - arm,cortex-a5-pmu
> > > + - arm,arm11mpcore-pmu
> > > + - arm,arm1176-pmu
> > > + - arm,arm1136-pmu
> > > + - brcm,vulcan-pmu
> > > + - cavium,thunder-pmu
> > > + - qcom,scorpion-pmu
> > > + - qcom,scorpion-mp-pmu
> > > + - qcom,krait-pmu
> > > + - items:
> > > + - const: arm,cortex-a7-pmu
> > > + - const: arm,cortex-a15-pmu
> >
> > What do these last two mean?
>
> The first list only allows a single compatible string. This list says
> there are 2 and that the compatible property should be:
> compatible = "arm,cortex-a7-pmu", "arm,cortex-a15-pmu";
>
> Which shows up here:
> arch/arm/boot/dts/sun6i-a31.dtsi: compatible =
> "arm,cortex-a7-pmu", "arm,cortex-a15-pmu";
> arch/arm/boot/dts/sun7i-a20.dtsi: compatible =
> "arm,cortex-a7-pmu", "arm,cortex-a15-pmu";
>
> Maybe the dts is wrong and should be fixed?
Yes, that's wrong and you could end up with the kernel exposing the wrong
events to userspace. So I think we can fix the .dts and leave the binding
without this.
> > > +required:
> > > + - compatible
> >
> > I probably said this before, but I do think that it's a shame to lose the
> > example binding, especially for something like the PMU where you can
> > pretty much take an example and bang in your own IRQ numbers to get it
> > up and running.
>
> I just thought it is so trivial that it didn't add much. I think most
> folks would copy-n-paste from an actual dts file which has all the
> other nodes you just need to update addresses and irq nums.
True... even more of a reason to fix thise sun* .dts files then!
Will
next prev parent reply other threads:[~2018-12-06 14:42 UTC|newest]
Thread overview: 84+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-12-03 21:31 [PATCH v2 00/34] Devicetree schema Rob Herring
2018-12-03 21:31 ` [PATCH v2 01/34] kbuild: Add support for DT binding schema checks Rob Herring
2018-12-08 4:47 ` Masahiro Yamada
2018-12-10 15:55 ` Rob Herring
2018-12-03 21:31 ` [PATCH v2 02/34] dt-bindings: Add a writing DT schemas how-to and annotated example Rob Herring
2018-12-03 21:31 ` [PATCH v2 03/34] dt-bindings: Convert trivial-devices.txt to json-schema Rob Herring
2018-12-03 21:31 ` [PATCH v2 04/34] dt-bindings: altera: Convert clkmgr binding " Rob Herring
2018-12-05 15:13 ` Dinh Nguyen
2018-12-03 21:31 ` [PATCH v2 05/34] dt-bindings: i2c: Convert i2c-gpio " Rob Herring
2018-12-03 21:31 ` [PATCH v2 06/34] dt-bindings: timer: Convert ARM timer bindings " Rob Herring
2018-12-03 21:31 ` [PATCH v2 07/34] dt-bindings: arm: Convert cpu binding " Rob Herring
2018-12-03 21:31 ` [PATCH v2 08/34] dt-bindings: arm: Convert PMU " Rob Herring
2018-12-05 10:08 ` Will Deacon
2018-12-05 15:42 ` Rob Herring
2018-12-06 14:37 ` Will Deacon [this message]
2018-12-03 21:31 ` [PATCH v2 09/34] dt-bindings: arm: Convert primecell " Rob Herring
2018-12-03 21:31 ` [PATCH v2 10/34] dt-bindings: arm: Convert Actions Semi bindings to jsonschema Rob Herring
2019-01-14 10:26 ` Manivannan Sadhasivam
2018-12-03 21:32 ` [PATCH v2 11/34] dt-bindings: arm: Convert Alpine board/soc bindings to json-schema Rob Herring
2018-12-04 7:53 ` Antoine Tenart
2018-12-03 21:32 ` [PATCH v2 12/34] dt-bindings: arm: Convert Altera " Rob Herring
2018-12-05 15:13 ` Dinh Nguyen
2018-12-03 21:32 ` [PATCH v2 13/34] dt-bindings: arm: amlogic: Move 'amlogic, meson-gx-ao-secure' binding to its own file Rob Herring
2018-12-04 8:31 ` Neil Armstrong
2018-12-05 1:01 ` Kevin Hilman
2018-12-05 4:18 ` [PATCH v2 13/34] dt-bindings: arm: amlogic: Move 'amlogic,meson-gx-ao-secure' " Rob Herring
2019-01-09 16:12 ` Rob Herring
2018-12-03 21:32 ` [PATCH v2 14/34] dt-bindings: arm: Convert Amlogic board/soc bindings to json-schema Rob Herring
2018-12-04 8:39 ` Neil Armstrong
2018-12-04 14:44 ` Rob Herring
2018-12-06 21:27 ` Rob Herring
2018-12-03 21:32 ` [PATCH v2 15/34] dt-bindings: arm: Convert Atmel " Rob Herring
2018-12-04 8:12 ` Nicolas.Ferre
2018-12-04 22:48 ` Rob Herring
2018-12-03 21:32 ` [PATCH v2 16/34] dt-bindings: arm: Convert Calxeda " Rob Herring
2018-12-03 21:32 ` [PATCH v2 17/34] dt-bindings: arm: Convert TI davinci " Rob Herring
2018-12-06 10:28 ` Sekhar Nori
2018-12-03 21:32 ` [PATCH v2 18/34] dt-bindings: arm: Convert FSL " Rob Herring
2018-12-06 2:31 ` Shawn Guo
2018-12-06 23:33 ` Rob Herring
2018-12-08 1:58 ` Shawn Guo
2019-01-10 6:42 ` Shawn Guo
2019-01-10 10:44 ` Vokáč Michal
2019-01-10 13:44 ` Shawn Guo
2018-12-03 21:32 ` [PATCH v2 19/34] dt-bindings: arm: Convert MediaTek " Rob Herring
2018-12-03 21:32 ` [PATCH v2 20/34] dt-bindings: arm: Convert TI nspire " Rob Herring
2018-12-03 21:32 ` [PATCH v2 21/34] dt-bindings: arm: Convert Oxford Semi " Rob Herring
2018-12-04 8:43 ` Neil Armstrong
2018-12-04 14:04 ` Rob Herring
2018-12-03 21:32 ` [PATCH v2 22/34] dt-bindings: arm: Convert QCom " Rob Herring
2018-12-05 18:31 ` Andy Gross
2018-12-03 21:32 ` [PATCH v2 23/34] dt-bindings: arm: Convert Realtek " Rob Herring
2018-12-03 21:32 ` [PATCH v2 24/34] dt-bindings: arm: Convert Rockchip " Rob Herring
2018-12-04 14:16 ` Heiko Stuebner
2018-12-04 15:04 ` Rob Herring
2018-12-09 22:14 ` [PATCH v2.1 " Heiko Stuebner
2018-12-10 9:54 ` Heiko Stuebner
2018-12-10 15:13 ` Rob Herring
2018-12-10 22:45 ` [PATCH v2.2 " Heiko Stuebner
2018-12-11 15:21 ` Rob Herring
2018-12-03 21:32 ` [PATCH v2 25/34] dt-bindings: arm: renesas: Move 'renesas, prr' binding to its own doc Rob Herring
2018-12-04 14:44 ` [PATCH v2 25/34] dt-bindings: arm: renesas: Move 'renesas,prr' " Simon Horman
2018-12-04 14:56 ` Geert Uytterhoeven
2018-12-03 21:32 ` [PATCH v2 26/34] dt-bindings: arm: Convert Renesas board/soc bindings to json-schema Rob Herring
2018-12-04 14:48 ` Simon Horman
2018-12-04 14:57 ` Geert Uytterhoeven
2018-12-04 15:08 ` Rob Herring
2018-12-05 19:44 ` Simon Horman
2018-12-06 19:38 ` Rob Herring
2018-12-10 11:12 ` Simon Horman
2018-12-03 21:32 ` [PATCH v2 27/34] dt-bindings: arm: Convert CSR SiRF " Rob Herring
2018-12-03 21:32 ` [PATCH v2 28/34] dt-bindings: arm: Convert SPEAr " Rob Herring
2018-12-04 4:50 ` Viresh Kumar
2018-12-03 21:32 ` [PATCH v2 29/34] dt-bindings: arm: Convert ST STi " Rob Herring
2018-12-04 8:10 ` Patrice CHOTARD
2018-12-03 21:32 ` [PATCH v2 30/34] dt-bindings: arm: Convert Tegra " Rob Herring
2018-12-04 8:50 ` Thierry Reding
2018-12-06 22:38 ` Rob Herring
2018-12-07 11:46 ` Thierry Reding
2018-12-03 21:32 ` [PATCH v2 31/34] dt-bindings: arm: Convert VIA " Rob Herring
2018-12-03 21:32 ` [PATCH v2 32/34] dt-bindings: arm: Convert Xilinx " Rob Herring
2018-12-03 21:32 ` [PATCH v2 33/34] dt-bindings: arm: Add missing Xilinx boards Rob Herring
2018-12-03 21:32 ` [PATCH v2 34/34] dt-bindings: arm: Convert ZTE board/soc bindings to json-schema Rob Herring
2018-12-06 2:33 ` Shawn Guo
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