From: Maxime Ripard <maxime@cerno.tech>
To: Rob Herring <robh+dt@kernel.org>
Cc: Grant Likely <grant.likely@arm.com>, Chen-Yu Tsai <wens@csie.org>,
Jernej Skrabec <jernej.skrabec@siol.net>,
devicetree@vger.kernel.org, Frank Rowand <frowand.list@gmail.com>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
linux-sunxi@googlegroups.com,
Mailing List <devicetree-spec@vger.kernel.org>
Subject: Re: [PATCH 05/54] dt-bindings: Convert Reserved Memory binding to a schema
Date: Wed, 18 Aug 2021 12:00:21 +0200 [thread overview]
Message-ID: <20210818100021.yzzcuadkowy4tfv4@gilmour> (raw)
In-Reply-To: <CAL_JsqKAZLBK2UDDUNrO4aaYr886oODB_N_yF70X44gPXs=k5Q@mail.gmail.com>
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Hi Rob,
On Wed, Jul 21, 2021 at 08:30:43AM -0600, Rob Herring wrote:
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/reserved-memory/reserved-memory.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: /reserved-memory Node
> > +
> > +maintainers:
> > + - Devicetree Specification Mailing List <devicetree-spec@vger.kernel.org>
> > +
> > +description: >
> > + Reserved memory is specified as a node under the /reserved-memory node. The
> > + operating system shall exclude reserved memory from normal usage one can
> > + create child nodes describing particular reserved (excluded from normal use)
> > + memory regions. Such memory regions are usually designed for the special
> > + usage by various device drivers.
> > +
> > +properties:
> > + $nodename:
> > + const: reserved-memory
> > +
> > + "#address-cells": true
> > + "#size-cells": true
> > + ranges: true
> > +
> > +patternProperties:
> > + "^(?!(ranges))[a-z,-]*(@[0-9]+)?$":
>
> Note that you could drop this and put under 'additionalProperties'.
> You would lose some node name checking, but there's really little
> standard on these nodes.
I didn't realise it could be used that way too, I'll change it.
> > + type: object
> > +
> > + description: >
> > + Each child of the reserved-memory node specifies one or more regions of
> > + reserved memory. Each child node may either use a 'reg' property to
> > + specify a specific range of reserved memory, or a 'size' property with
> > + optional constraints to request a dynamically allocated block of memory.
> > +
> > + Following the generic-names recommended practice, node names should
> > + reflect the purpose of the node (ie. "framebuffer" or "dma-pool"). Unit
> > + address (@<address>) should be appended to the name if the node is a
> > + static allocation.
> > +
> > + properties:
> > + reg: true
> > +
> > + size:
> > + $ref: /schemas/types.yaml#/definitions/uint32-array
> > + description: >
> > + Length based on parent's \#size-cells. Size in bytes of memory to
> > + reserve.
> > +
> > + alignment:
> > + $ref: /schemas/types.yaml#/definitions/uint32-array
> > + description: >
> > + Length based on parent's \#size-cells. Address boundary for
> > + alignment of allocation.
> > +
> > + alloc-ranges:
> > + $ref: /schemas/types.yaml#/definitions/uint32-array
> > + description: >
> > + Address and Length pairs. Specifies regions of memory that are
> > + acceptable to allocate from.
> > +
> > + compatible:
> > + oneOf:
> > + - const: shared-dma-pool
> > + description: >
> > + This indicates a region of memory meant to be used as a shared
> > + pool of DMA buffers for a set of devices. It can be used by an
> > + operating system to instantiate the necessary pool management
> > + subsystem if necessary.
> > +
> > + # Vendor-specific compatibles in the form <vendor>,[<device>-]<usage>
> > + - const: mediatek,trustzone-bootinfo
>
> I think these should be separate schema files. At least, we're going
> to need to support separate files because I don't think we want ones
> adding custom properties here. This would fail unless we add every
> compatible here. We could also be a bit more exact as to which
> properties below apply (e.g. linux,.*-default is only valid for
> shared-dma-pool).
I'm not entirely sure how we can just ignore the vendor compatibles
without raising a warning. Do you have any suggestion?
Thanks!
Maxime
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next prev parent reply other threads:[~2021-08-18 10:02 UTC|newest]
Thread overview: 128+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-21 14:03 [PATCH 00/54] ARM: dts: Last round of DT schema fixes Maxime Ripard
2021-07-21 14:03 ` [PATCH 01/54] ASoC: dt-bindings: Add WM8978 Binding Maxime Ripard
2021-07-23 21:32 ` Rob Herring
2021-07-26 0:17 ` Mark Brown
2021-07-27 12:21 ` Richard Fitzgerald
2021-07-27 12:58 ` Mark Brown
2021-07-21 14:03 ` [PATCH 02/54] ASoC: dt-bindings: Convert Bluetooth SCO Link binding to a schema Maxime Ripard
2021-07-22 5:35 ` Samuel Holland
2021-07-22 7:58 ` Maxime Ripard
2021-07-21 14:03 ` [PATCH 03/54] ASoC: dt-bindings: Convert SPDIF Transmitter " Maxime Ripard
2021-07-23 21:35 ` Rob Herring
2021-07-21 14:03 ` [PATCH 04/54] ASoC: dt-bindings: Convert Simple Amplifier " Maxime Ripard
2021-07-23 21:36 ` Rob Herring
2021-07-21 14:03 ` [PATCH 05/54] dt-bindings: Convert Reserved Memory " Maxime Ripard
2021-07-21 14:30 ` Rob Herring
2021-08-18 10:00 ` Maxime Ripard [this message]
2021-08-18 12:54 ` Rob Herring
2021-07-22 2:09 ` Rob Herring
2021-07-21 14:03 ` [PATCH 06/54] dt-bindings: arm: Convert ARM CCI-400 " Maxime Ripard
2021-07-22 2:09 ` Rob Herring
2021-07-22 2:26 ` Rob Herring
2021-07-21 14:03 ` [PATCH 07/54] dt-bindings: bluetooth: broadcom: Fix clocks check Maxime Ripard
2021-07-23 21:38 ` Rob Herring
2021-07-21 14:03 ` [PATCH 08/54] dt-bindings: bluetooth: realtek: Add missing max-speed Maxime Ripard
2021-07-23 21:39 ` Rob Herring
2021-07-23 22:56 ` Alistair
2021-07-21 14:03 ` [PATCH 09/54] dt-bindings: clocks: Fix typo in the H6 compatible Maxime Ripard
2021-07-23 21:39 ` Rob Herring
2021-07-21 14:03 ` [PATCH 10/54] dt-bindings: display: panel-lvds: Document panel compatibles Maxime Ripard
2021-07-21 14:14 ` Sam Ravnborg
2021-07-22 2:09 ` Rob Herring
2021-07-22 2:29 ` Rob Herring
2021-08-18 12:43 ` Maxime Ripard
2021-08-18 13:48 ` Rob Herring
2021-08-23 16:31 ` Maxime Ripard
2021-07-21 14:03 ` [PATCH 11/54] dt-bindings: display: simple-bridge: Add corpro, gm7123 compatible Maxime Ripard
2021-07-21 14:16 ` Sam Ravnborg
2021-07-22 9:44 ` Maxime Ripard
2021-07-21 14:03 ` [PATCH 12/54] dt-bindings: gnss: Convert UBlox Neo-6M binding to a schema Maxime Ripard
2021-07-23 21:42 ` Rob Herring
2021-07-21 14:03 ` [PATCH 13/54] dt-bindings: gpio: Convert X-Powers AXP209 GPIO " Maxime Ripard
2021-07-22 2:09 ` Rob Herring
2021-07-22 2:13 ` Rob Herring
2021-07-21 14:03 ` [PATCH 14/54] dt-bindings: hwmon: Add IIO HWMON binding Maxime Ripard
2021-07-22 9:20 ` Jonathan Cameron
2021-07-22 9:34 ` Maxime Ripard
2021-07-23 21:44 ` Rob Herring
2021-07-21 14:03 ` [PATCH 15/54] dt-bindings: iio: st: Remove wrong items length check Maxime Ripard
2021-07-23 21:47 ` Rob Herring
2021-07-23 22:45 ` Linus Walleij
2021-07-21 14:03 ` [PATCH 16/54] dt-bindings: input: Convert ChipOne ICN8318 binding to a schema Maxime Ripard
2021-07-23 21:48 ` Rob Herring
2021-07-21 14:03 ` [PATCH 17/54] dt-bindings: input: Convert Pixcir Touchscreen " Maxime Ripard
2021-07-23 21:49 ` Rob Herring
2021-07-21 14:03 ` [PATCH 18/54] dt-bindings: input: Convert Regulator Haptic " Maxime Ripard
2021-07-23 21:50 ` Rob Herring
2021-07-21 14:03 ` [PATCH 19/54] dt-bindings: input: Convert Silead GSL1680 " Maxime Ripard
2021-07-23 21:51 ` Rob Herring
2021-07-21 14:03 ` [PATCH 20/54] dt-bindings: input: sun4i-lradc: Add wakeup-source Maxime Ripard
2021-07-23 21:52 ` Rob Herring
2021-07-21 14:03 ` [PATCH 21/54] dt-bindings: interconnect: sunxi: Add R40 MBUS compatible Maxime Ripard
2021-07-23 21:52 ` Rob Herring
2021-07-21 14:03 ` [PATCH 22/54] dt-bindings: media: Convert OV5640 binding to a schema Maxime Ripard
2021-07-22 2:09 ` Rob Herring
2021-07-21 14:03 ` [PATCH 23/54] dt-bindings: mfd: Convert X-Powers AC100 " Maxime Ripard
2021-07-23 21:54 ` Rob Herring
2021-08-01 12:15 ` [linux-sunxi] " Chen-Yu Tsai
2021-07-21 14:03 ` [PATCH 24/54] dt-bindings: mfd: Convert X-Powers AXP " Maxime Ripard
2021-07-22 2:09 ` Rob Herring
2021-07-21 14:03 ` [PATCH 25/54] dt-bindings: mmc: Convert MMC Card " Maxime Ripard
2021-07-23 21:57 ` Rob Herring
2021-08-04 11:24 ` Ulf Hansson
2021-07-21 14:03 ` [PATCH 26/54] dt-bindings: net: dwmac: Fix typo in the R40 compatible Maxime Ripard
2021-07-23 21:57 ` Rob Herring
2021-07-21 14:03 ` [PATCH 27/54] dt-bindings: net: wireless: Convert ESP ESP8089 binding to a schema Maxime Ripard
2021-07-23 21:58 ` Rob Herring
[not found] ` <20210806084709.0C279C4338A@smtp.codeaurora.org>
2021-08-18 8:45 ` Maxime Ripard
2021-07-21 14:03 ` [PATCH 28/54] dt-bindings: power: supply: axp20x: Add AXP803 compatible Maxime Ripard
2021-07-23 21:59 ` Rob Herring
2021-08-01 12:16 ` [linux-sunxi] " Chen-Yu Tsai
2021-08-06 21:33 ` Sebastian Reichel
2021-07-21 14:03 ` [PATCH 29/54] dt-bindings: power: supply: axp20x-battery: Add AXP209 compatible Maxime Ripard
2021-07-23 22:00 ` Rob Herring
2021-08-06 21:34 ` Sebastian Reichel
2021-07-21 14:04 ` [PATCH 30/54] dt-bindings: regulator: Convert SY8106A binding to a schema Maxime Ripard
2021-07-23 22:01 ` Rob Herring
2021-07-21 14:04 ` [PATCH 31/54] dt-bindings: sunxi: Add CPU Configuration Controller Binding Maxime Ripard
2021-07-23 22:01 ` Rob Herring
2021-07-21 14:04 ` [PATCH 32/54] dt-bindings: sunxi: Add Allwinner A80 PRCM Binding Maxime Ripard
2021-07-23 22:02 ` Rob Herring
2021-07-21 14:04 ` [PATCH 33/54] dt-bindings: thermal: Make trips node optional Maxime Ripard
2021-07-23 22:03 ` Rob Herring
2021-08-14 13:42 ` Daniel Lezcano
2021-07-21 14:04 ` [PATCH 34/54] dt-bindings: usb: Convert SMSC USB3503 binding to a schema Maxime Ripard
2021-07-23 22:08 ` Rob Herring
2021-07-21 14:04 ` [PATCH 35/54] dt-bindings: usb: dwc3: Fix usb-phy check Maxime Ripard
2021-07-23 22:15 ` Rob Herring
2021-07-29 12:29 ` Maxime Ripard
2021-07-21 14:04 ` [PATCH 36/54] dt-bindings: usb: ehci: Add Allwinner A83t compatible Maxime Ripard
2021-07-23 22:15 ` Rob Herring
2021-07-21 14:04 ` [PATCH 37/54] dt-bindings: usb: ohci: " Maxime Ripard
2021-07-23 22:16 ` Rob Herring
2021-07-21 14:04 ` [PATCH 38/54] dt-bindings: w1: Convert 1-Wire GPIO binding to a schema Maxime Ripard
2021-07-23 22:19 ` Rob Herring
2021-07-21 14:04 ` [PATCH 39/54] ARM: dts: sunxi: Rename power-supply names Maxime Ripard
2021-07-21 14:04 ` [PATCH 40/54] ARM: dts: sunxi: Rename gpio pinctrl names Maxime Ripard
2021-07-21 14:04 ` [PATCH 41/54] ARM: dts: sunxi: Fix OPP arrays Maxime Ripard
2021-07-21 14:04 ` [PATCH 42/54] ARM: dts: sunxi: Fix OPPs node name Maxime Ripard
2021-07-21 14:04 ` [PATCH 43/54] ARM: dts: sunxi: Fix the SPI NOR node names Maxime Ripard
2021-07-21 14:04 ` [PATCH 44/54] ARM: dts: v3s: Remove useless DMA properties Maxime Ripard
2021-07-21 14:04 ` [PATCH 45/54] ARM: dts: tbs711: Fix touchscreen compatible Maxime Ripard
2021-07-21 14:04 ` [PATCH 46/54] ARM: dts: cubieboard4: Remove the dumb-vga-dac compatible Maxime Ripard
2021-08-01 12:19 ` [linux-sunxi] " Chen-Yu Tsai
2021-07-21 14:04 ` [PATCH 47/54] arm64: dts: allwinner: h5: Fix GPU thermal zone node name Maxime Ripard
2021-07-21 14:04 ` [PATCH 48/54] arm64: dts: allwinner: h6: Fix de3 parent clocks ordering Maxime Ripard
2021-07-21 14:04 ` [PATCH 49/54] arm64: dts: allwinner: a100: Fix thermal zone node name Maxime Ripard
2021-07-21 14:04 ` [PATCH 50/54] arm64: dts: allwinner: pinetab: Change regulator node name to avoid warning Maxime Ripard
2021-07-21 14:04 ` [PATCH 51/54] arm64: dts: allwinner: teres-i: Add missing reg Maxime Ripard
2021-07-21 14:04 ` [PATCH 52/54] arm64: dts: allwinner: Remove regulator-ramp-delay Maxime Ripard
2021-07-22 5:55 ` Samuel Holland
2021-07-22 8:16 ` Maxime Ripard
2021-08-06 11:48 ` [linux-sunxi] " Icenowy Zheng
2021-08-06 12:05 ` Chen-Yu Tsai
2021-08-06 12:09 ` Icenowy Zheng
2021-07-21 14:04 ` [PATCH 53/54] arm64: dts: allwinner: teres-i: Remove wakekup-source from the PMIC Maxime Ripard
2021-07-21 14:04 ` [PATCH 54/54] arm64: dts: allwinner: pinephone: Fix BT SCO codec cells size Maxime Ripard
2021-07-21 16:48 ` [PATCH 00/54] ARM: dts: Last round of DT schema fixes Rob Herring
2021-07-29 12:03 ` Maxime Ripard
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