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Date: Wed, 4 May 2022 22:09:09 +0100
From: Jonathan Cameron <jic23@...nel.org>
To: Rob Herring <robh@...nel.org>
Cc: devicetree@...r.kernel.org,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Abel Vesa <abel.vesa@....com>, Stephen Boyd <sboyd@...nel.org>,
Laurent Pinchart <laurent.pinchart@...asonboard.com>,
Kieran Bingham <kieran.bingham+renesas@...asonboard.com>,
Lars-Peter Clausen <lars@...afoo.de>,
Ulf Hansson <ulf.hansson@...aro.org>,
Thierry Reding <thierry.reding@...il.com>,
Jonathan Hunter <jonathanh@...dia.com>,
Miquel Raynal <miquel.raynal@...tlin.com>,
Richard Weinberger <richard@....at>,
Vignesh Raghavendra <vigneshr@...com>,
Wolfgang Grandegger <wg@...ndegger.com>,
Marc Kleine-Budde <mkl@...gutronix.de>,
"David S. Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>,
Kishon Vijay Abraham I <kishon@...com>,
Vinod Koul <vkoul@...nel.org>,
Alessandro Zummo <a.zummo@...ertech.it>,
Alexandre Belloni <alexandre.belloni@...tlin.com>,
Chen-Yu Tsai <wens@...e.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Mark Brown <broonie@...nel.org>,
"Rafael J. Wysocki" <rafael@...nel.org>,
Daniel Lezcano <daniel.lezcano@...aro.org>,
Zhang Rui <rui.zhang@...el.com>,
Niklas Söderlund
<niklas.soderlund@...natech.se>, Anson Huang <Anson.Huang@....com>,
Fabrice Gasnier <fabrice.gasnier@...s.st.com>,
Han Xu <han.xu@....com>, Dario Binacchi <dariobin@...ero.it>,
Florian Fainelli <f.fainelli@...il.com>,
Maxime Ripard <mripard@...nel.org>,
Peter Ujfalusi <peter.ujfalusi@...com>,
linux-clk@...r.kernel.org, dri-devel@...ts.freedesktop.org,
linux-iio@...r.kernel.org, linux-mmc@...r.kernel.org,
linux-mtd@...ts.infradead.org, linux-can@...r.kernel.org,
netdev@...r.kernel.org, linux-phy@...ts.infradead.org,
linux-rtc@...r.kernel.org, linux-serial@...r.kernel.org,
alsa-devel@...a-project.org, linux-pm@...r.kernel.org
Subject: Re: [PATCH] dt-bindings: Drop redundant 'maxItems/minItems' in
if/then schemas
On Tue, 3 May 2022 11:27:38 -0500
Rob Herring <robh@...nel.org> wrote:
> Another round of removing redundant minItems/maxItems when 'items' list is
> specified. This time it is in if/then schemas as the meta-schema was
> failing to check this case.
>
> If a property has an 'items' list, then a 'minItems' or 'maxItems' with the
> same size as the list is redundant and can be dropped. Note that is DT
> schema specific behavior and not standard json-schema behavior. The tooling
> will fixup the final schema adding any unspecified minItems/maxItems.
Acked-by: Jonathan Cameron <Jonathan.Cameron@...wei.com> #for IIO
>
> Cc: Abel Vesa <abel.vesa@....com>
> Cc: Stephen Boyd <sboyd@...nel.org>
> Cc: Krzysztof Kozlowski <krzk+dt@...nel.org>
> Cc: Laurent Pinchart <laurent.pinchart@...asonboard.com>
> Cc: Kieran Bingham <kieran.bingham+renesas@...asonboard.com>
> Cc: Jonathan Cameron <jic23@...nel.org>
> Cc: Lars-Peter Clausen <lars@...afoo.de>
> Cc: Ulf Hansson <ulf.hansson@...aro.org>
> Cc: Thierry Reding <thierry.reding@...il.com>
> Cc: Jonathan Hunter <jonathanh@...dia.com>
> Cc: Miquel Raynal <miquel.raynal@...tlin.com>
> Cc: Richard Weinberger <richard@....at>
> Cc: Vignesh Raghavendra <vigneshr@...com>
> Cc: Wolfgang Grandegger <wg@...ndegger.com>
> Cc: Marc Kleine-Budde <mkl@...gutronix.de>
> Cc: "David S. Miller" <davem@...emloft.net>
> Cc: Jakub Kicinski <kuba@...nel.org>
> Cc: Paolo Abeni <pabeni@...hat.com>
> Cc: Kishon Vijay Abraham I <kishon@...com>
> Cc: Vinod Koul <vkoul@...nel.org>
> Cc: Alessandro Zummo <a.zummo@...ertech.it>
> Cc: Alexandre Belloni <alexandre.belloni@...tlin.com>
> Cc: Chen-Yu Tsai <wens@...e.org>
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Cc: Mark Brown <broonie@...nel.org>
> Cc: "Rafael J. Wysocki" <rafael@...nel.org>
> Cc: Daniel Lezcano <daniel.lezcano@...aro.org>
> Cc: Zhang Rui <rui.zhang@...el.com>
> Cc: "Niklas Söderlund" <niklas.soderlund@...natech.se>
> Cc: Anson Huang <Anson.Huang@....com>
> Cc: Fabrice Gasnier <fabrice.gasnier@...s.st.com>
> Cc: Han Xu <han.xu@....com>
> Cc: Dario Binacchi <dariobin@...ero.it>
> Cc: Florian Fainelli <f.fainelli@...il.com>
> Cc: Maxime Ripard <mripard@...nel.org>
> Cc: Peter Ujfalusi <peter.ujfalusi@...com>
> Cc: linux-clk@...r.kernel.org
> Cc: dri-devel@...ts.freedesktop.org
> Cc: linux-iio@...r.kernel.org
> Cc: linux-mmc@...r.kernel.org
> Cc: linux-mtd@...ts.infradead.org
> Cc: linux-can@...r.kernel.org
> Cc: netdev@...r.kernel.org
> Cc: linux-phy@...ts.infradead.org
> Cc: linux-rtc@...r.kernel.org
> Cc: linux-serial@...r.kernel.org
> Cc: alsa-devel@...a-project.org
> Cc: linux-pm@...r.kernel.org
> Signed-off-by: Rob Herring <robh@...nel.org>
> ---
> .../bindings/clock/imx8m-clock.yaml | 4 ----
> .../bindings/display/bridge/renesas,lvds.yaml | 4 ----
> .../bindings/display/renesas,du.yaml | 23 -------------------
> .../bindings/iio/adc/st,stm32-adc.yaml | 2 --
> .../bindings/mmc/nvidia,tegra20-sdhci.yaml | 7 +-----
> .../devicetree/bindings/mtd/gpmi-nand.yaml | 2 --
> .../bindings/net/can/bosch,c_can.yaml | 3 ---
> .../bindings/phy/brcm,sata-phy.yaml | 10 ++++----
> .../bindings/rtc/allwinner,sun6i-a31-rtc.yaml | 10 --------
> .../bindings/serial/samsung_uart.yaml | 4 ----
> .../sound/allwinner,sun4i-a10-i2s.yaml | 1 -
> .../bindings/sound/ti,j721e-cpb-audio.yaml | 2 --
> .../bindings/thermal/rcar-gen3-thermal.yaml | 1 -
> 13 files changed, 5 insertions(+), 68 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/clock/imx8m-clock.yaml b/Documentation/devicetree/bindings/clock/imx8m-clock.yaml
> index 625f573a7b90..458c7645ee68 100644
> --- a/Documentation/devicetree/bindings/clock/imx8m-clock.yaml
> +++ b/Documentation/devicetree/bindings/clock/imx8m-clock.yaml
> @@ -55,8 +55,6 @@ allOf:
> then:
> properties:
> clocks:
> - minItems: 7
> - maxItems: 7
> items:
> - description: 32k osc
> - description: 25m osc
> @@ -66,8 +64,6 @@ allOf:
> - description: ext3 clock input
> - description: ext4 clock input
> clock-names:
> - minItems: 7
> - maxItems: 7
> items:
> - const: ckil
> - const: osc_25m
> diff --git a/Documentation/devicetree/bindings/display/bridge/renesas,lvds.yaml b/Documentation/devicetree/bindings/display/bridge/renesas,lvds.yaml
> index a51baf8a4c76..bb9dbfb9beaf 100644
> --- a/Documentation/devicetree/bindings/display/bridge/renesas,lvds.yaml
> +++ b/Documentation/devicetree/bindings/display/bridge/renesas,lvds.yaml
> @@ -95,7 +95,6 @@ then:
> properties:
> clocks:
> minItems: 1
> - maxItems: 4
> items:
> - description: Functional clock
> - description: EXTAL input clock
> @@ -104,7 +103,6 @@ then:
>
> clock-names:
> minItems: 1
> - maxItems: 4
> items:
> - const: fck
> # The LVDS encoder can use the EXTAL or DU_DOTCLKINx clocks.
> @@ -128,12 +126,10 @@ then:
> else:
> properties:
> clocks:
> - maxItems: 1
> items:
> - description: Functional clock
>
> clock-names:
> - maxItems: 1
> items:
> - const: fck
>
> diff --git a/Documentation/devicetree/bindings/display/renesas,du.yaml b/Documentation/devicetree/bindings/display/renesas,du.yaml
> index 56cedcd6d576..b3e588022082 100644
> --- a/Documentation/devicetree/bindings/display/renesas,du.yaml
> +++ b/Documentation/devicetree/bindings/display/renesas,du.yaml
> @@ -109,7 +109,6 @@ allOf:
> properties:
> clocks:
> minItems: 1
> - maxItems: 3
> items:
> - description: Functional clock
> - description: DU_DOTCLKIN0 input clock
> @@ -117,7 +116,6 @@ allOf:
>
> clock-names:
> minItems: 1
> - maxItems: 3
> items:
> - const: du.0
> - pattern: '^dclkin\.[01]$'
> @@ -159,7 +157,6 @@ allOf:
> properties:
> clocks:
> minItems: 2
> - maxItems: 4
> items:
> - description: Functional clock for DU0
> - description: Functional clock for DU1
> @@ -168,7 +165,6 @@ allOf:
>
> clock-names:
> minItems: 2
> - maxItems: 4
> items:
> - const: du.0
> - const: du.1
> @@ -216,7 +212,6 @@ allOf:
> properties:
> clocks:
> minItems: 2
> - maxItems: 4
> items:
> - description: Functional clock for DU0
> - description: Functional clock for DU1
> @@ -225,7 +220,6 @@ allOf:
>
> clock-names:
> minItems: 2
> - maxItems: 4
> items:
> - const: du.0
> - const: du.1
> @@ -271,7 +265,6 @@ allOf:
> properties:
> clocks:
> minItems: 2
> - maxItems: 4
> items:
> - description: Functional clock for DU0
> - description: Functional clock for DU1
> @@ -280,7 +273,6 @@ allOf:
>
> clock-names:
> minItems: 2
> - maxItems: 4
> items:
> - const: du.0
> - const: du.1
> @@ -327,7 +319,6 @@ allOf:
> properties:
> clocks:
> minItems: 2
> - maxItems: 4
> items:
> - description: Functional clock for DU0
> - description: Functional clock for DU1
> @@ -336,7 +327,6 @@ allOf:
>
> clock-names:
> minItems: 2
> - maxItems: 4
> items:
> - const: du.0
> - const: du.1
> @@ -386,7 +376,6 @@ allOf:
> properties:
> clocks:
> minItems: 3
> - maxItems: 6
> items:
> - description: Functional clock for DU0
> - description: Functional clock for DU1
> @@ -397,7 +386,6 @@ allOf:
>
> clock-names:
> minItems: 3
> - maxItems: 6
> items:
> - const: du.0
> - const: du.1
> @@ -448,7 +436,6 @@ allOf:
> properties:
> clocks:
> minItems: 4
> - maxItems: 8
> items:
> - description: Functional clock for DU0
> - description: Functional clock for DU1
> @@ -461,7 +448,6 @@ allOf:
>
> clock-names:
> minItems: 4
> - maxItems: 8
> items:
> - const: du.0
> - const: du.1
> @@ -525,7 +511,6 @@ allOf:
> properties:
> clocks:
> minItems: 3
> - maxItems: 6
> items:
> - description: Functional clock for DU0
> - description: Functional clock for DU1
> @@ -536,7 +521,6 @@ allOf:
>
> clock-names:
> minItems: 3
> - maxItems: 6
> items:
> - const: du.0
> - const: du.1
> @@ -596,7 +580,6 @@ allOf:
> properties:
> clocks:
> minItems: 3
> - maxItems: 6
> items:
> - description: Functional clock for DU0
> - description: Functional clock for DU1
> @@ -607,7 +590,6 @@ allOf:
>
> clock-names:
> minItems: 3
> - maxItems: 6
> items:
> - const: du.0
> - const: du.1
> @@ -666,14 +648,12 @@ allOf:
> properties:
> clocks:
> minItems: 1
> - maxItems: 2
> items:
> - description: Functional clock for DU0
> - description: DU_DOTCLKIN0 input clock
>
> clock-names:
> minItems: 1
> - maxItems: 2
> items:
> - const: du.0
> - const: dclkin.0
> @@ -723,7 +703,6 @@ allOf:
> properties:
> clocks:
> minItems: 2
> - maxItems: 4
> items:
> - description: Functional clock for DU0
> - description: Functional clock for DU1
> @@ -732,7 +711,6 @@ allOf:
>
> clock-names:
> minItems: 2
> - maxItems: 4
> items:
> - const: du.0
> - const: du.1
> @@ -791,7 +769,6 @@ allOf:
> - description: Functional clock
>
> clock-names:
> - maxItems: 1
> items:
> - const: du.0
>
> diff --git a/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.yaml b/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.yaml
> index 4d6074518b5c..fa8da42cb1e6 100644
> --- a/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.yaml
> +++ b/Documentation/devicetree/bindings/iio/adc/st,stm32-adc.yaml
> @@ -138,7 +138,6 @@ allOf:
> - const: bus
> - const: adc
> minItems: 1
> - maxItems: 2
>
> interrupts:
> items:
> @@ -170,7 +169,6 @@ allOf:
> - const: bus
> - const: adc
> minItems: 1
> - maxItems: 2
>
> interrupts:
> items:
> diff --git a/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.yaml b/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.yaml
> index f3f4d5b02744..fe0270207622 100644
> --- a/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.yaml
> +++ b/Documentation/devicetree/bindings/mmc/nvidia,tegra20-sdhci.yaml
> @@ -202,22 +202,17 @@ allOf:
> clocks:
> items:
> - description: module clock
> - minItems: 1
> - maxItems: 1
> else:
> properties:
> clocks:
> items:
> - description: module clock
> - description: timeout clock
> - minItems: 2
> - maxItems: 2
> +
> clock-names:
> items:
> - const: sdhci
> - const: tmclk
> - minItems: 2
> - maxItems: 2
> required:
> - clock-names
>
> diff --git a/Documentation/devicetree/bindings/mtd/gpmi-nand.yaml b/Documentation/devicetree/bindings/mtd/gpmi-nand.yaml
> index 9d764e654e1d..849aeae319a9 100644
> --- a/Documentation/devicetree/bindings/mtd/gpmi-nand.yaml
> +++ b/Documentation/devicetree/bindings/mtd/gpmi-nand.yaml
> @@ -147,8 +147,6 @@ allOf:
> - description: SoC gpmi io clock
> - description: SoC gpmi bch apb clock
> clock-names:
> - minItems: 2
> - maxItems: 2
> items:
> - const: gpmi_io
> - const: gpmi_bch_apb
> diff --git a/Documentation/devicetree/bindings/net/can/bosch,c_can.yaml b/Documentation/devicetree/bindings/net/can/bosch,c_can.yaml
> index 8bad328b184d..51aa89ac7e85 100644
> --- a/Documentation/devicetree/bindings/net/can/bosch,c_can.yaml
> +++ b/Documentation/devicetree/bindings/net/can/bosch,c_can.yaml
> @@ -80,8 +80,6 @@ if:
> then:
> properties:
> interrupts:
> - minItems: 4
> - maxItems: 4
> items:
> - description: Error and status IRQ
> - description: Message object IRQ
> @@ -91,7 +89,6 @@ then:
> else:
> properties:
> interrupts:
> - maxItems: 1
> items:
> - description: Error and status IRQ
>
> diff --git a/Documentation/devicetree/bindings/phy/brcm,sata-phy.yaml b/Documentation/devicetree/bindings/phy/brcm,sata-phy.yaml
> index cb1aa325336f..435b971dfd9b 100644
> --- a/Documentation/devicetree/bindings/phy/brcm,sata-phy.yaml
> +++ b/Documentation/devicetree/bindings/phy/brcm,sata-phy.yaml
> @@ -102,19 +102,17 @@ if:
> then:
> properties:
> reg:
> - maxItems: 2
> + minItems: 2
> +
> reg-names:
> - items:
> - - const: "phy"
> - - const: "phy-ctrl"
> + minItems: 2
> else:
> properties:
> reg:
> maxItems: 1
> +
> reg-names:
> maxItems: 1
> - items:
> - - const: "phy"
>
> required:
> - compatible
> diff --git a/Documentation/devicetree/bindings/rtc/allwinner,sun6i-a31-rtc.yaml b/Documentation/devicetree/bindings/rtc/allwinner,sun6i-a31-rtc.yaml
> index 0b767fec39d8..6b38bd7eb3b4 100644
> --- a/Documentation/devicetree/bindings/rtc/allwinner,sun6i-a31-rtc.yaml
> +++ b/Documentation/devicetree/bindings/rtc/allwinner,sun6i-a31-rtc.yaml
> @@ -71,7 +71,6 @@ allOf:
> then:
> properties:
> clock-output-names:
> - minItems: 1
> maxItems: 1
>
> - if:
> @@ -102,7 +101,6 @@ allOf:
> properties:
> clock-output-names:
> minItems: 3
> - maxItems: 3
>
> - if:
> properties:
> @@ -113,16 +111,12 @@ allOf:
> then:
> properties:
> clocks:
> - minItems: 3
> - maxItems: 3
> items:
> - description: Bus clock for register access
> - description: 24 MHz oscillator
> - description: 32 kHz clock from the CCU
>
> clock-names:
> - minItems: 3
> - maxItems: 3
> items:
> - const: bus
> - const: hosc
> @@ -142,7 +136,6 @@ allOf:
> properties:
> clocks:
> minItems: 3
> - maxItems: 4
> items:
> - description: Bus clock for register access
> - description: 24 MHz oscillator
> @@ -151,7 +144,6 @@ allOf:
>
> clock-names:
> minItems: 3
> - maxItems: 4
> items:
> - const: bus
> - const: hosc
> @@ -174,14 +166,12 @@ allOf:
> then:
> properties:
> interrupts:
> - minItems: 1
> maxItems: 1
>
> else:
> properties:
> interrupts:
> minItems: 2
> - maxItems: 2
>
> required:
> - "#clock-cells"
> diff --git a/Documentation/devicetree/bindings/serial/samsung_uart.yaml b/Documentation/devicetree/bindings/serial/samsung_uart.yaml
> index d4688e317fc5..901c1e2cea28 100644
> --- a/Documentation/devicetree/bindings/serial/samsung_uart.yaml
> +++ b/Documentation/devicetree/bindings/serial/samsung_uart.yaml
> @@ -100,7 +100,6 @@ allOf:
> maxItems: 3
> clock-names:
> minItems: 2
> - maxItems: 3
> items:
> - const: uart
> - pattern: '^clk_uart_baud[0-1]$'
> @@ -118,11 +117,8 @@ allOf:
> then:
> properties:
> clocks:
> - minItems: 2
> maxItems: 2
> clock-names:
> - minItems: 2
> - maxItems: 2
> items:
> - const: uart
> - const: clk_uart_baud0
> diff --git a/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-i2s.yaml b/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-i2s.yaml
> index c21c807b667c..34f6ee9de392 100644
> --- a/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-i2s.yaml
> +++ b/Documentation/devicetree/bindings/sound/allwinner,sun4i-a10-i2s.yaml
> @@ -89,7 +89,6 @@ allOf:
> properties:
> dmas:
> minItems: 1
> - maxItems: 2
> items:
> - description: RX DMA Channel
> - description: TX DMA Channel
> diff --git a/Documentation/devicetree/bindings/sound/ti,j721e-cpb-audio.yaml b/Documentation/devicetree/bindings/sound/ti,j721e-cpb-audio.yaml
> index 6806f53a4aed..20ea5883b7ff 100644
> --- a/Documentation/devicetree/bindings/sound/ti,j721e-cpb-audio.yaml
> +++ b/Documentation/devicetree/bindings/sound/ti,j721e-cpb-audio.yaml
> @@ -80,7 +80,6 @@ allOf:
> then:
> properties:
> clocks:
> - minItems: 6
> items:
> - description: AUXCLK clock for McASP used by CPB audio
> - description: Parent for CPB_McASP auxclk (for 48KHz)
> @@ -107,7 +106,6 @@ allOf:
> then:
> properties:
> clocks:
> - maxItems: 4
> items:
> - description: AUXCLK clock for McASP used by CPB audio
> - description: Parent for CPB_McASP auxclk (for 48KHz)
> diff --git a/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml b/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml
> index f963204e0b16..1368d90da0e8 100644
> --- a/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml
> +++ b/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.yaml
> @@ -67,7 +67,6 @@ then:
> properties:
> reg:
> minItems: 2
> - maxItems: 3
> items:
> - description: TSC1 registers
> - description: TSC2 registers
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