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972d6a7dce
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. This condition is partially checked with the meta-schema already, but only if both 'minItems' and 'maxItems' are equal to the 'items' length. An improved meta-schema is pending. Cc: Jens Axboe <axboe@kernel.dk> Cc: Stephen Boyd <sboyd@kernel.org> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: "David S. Miller" <davem@davemloft.net> Cc: David Airlie <airlied@linux.ie> Cc: Daniel Vetter <daniel@ffwll.ch> Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com> Cc: Kamal Dasu <kdasu.kdev@gmail.com> Cc: Lars-Peter Clausen <lars@metafoo.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Marc Zyngier <maz@kernel.org> Cc: Joerg Roedel <joro@8bytes.org> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Cc: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Cc: Jakub Kicinski <kuba@kernel.org> Cc: Wolfgang Grandegger <wg@grandegger.com> Cc: Andrew Lunn <andrew@lunn.ch> Cc: Vivien Didelot <vivien.didelot@gmail.com> Cc: Vladimir Oltean <olteanv@gmail.com> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Kishon Vijay Abraham I <kishon@ti.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de> Cc: Lee Jones <lee.jones@linaro.org> Cc: Ohad Ben-Cohen <ohad@wizery.com> Cc: Mathieu Poirier <mathieu.poirier@linaro.org> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Palmer Dabbelt <palmer@dabbelt.com> Cc: Albert Ou <aou@eecs.berkeley.edu> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Alexandre Belloni <alexandre.belloni@bootlin.com> Cc: Zhang Rui <rui.zhang@intel.com> Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: Wim Van Sebroeck <wim@linux-watchdog.org> Cc: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Rob Herring <robh@kernel.org> Acked-by: Marc Kleine-Budde <mkl@pengutronix.de> Acked-by: Ulf Hansson <ulf.hansson@linaro.org> # for MMC Acked-by: Jassi Brar <jassisinghbrar@gmail.com> Acked-By: Vinod Koul <vkoul@kernel.org> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Reviewed-by: Arnaud Pouliquen <arnaud.pouliquen@st.com> Acked-by: Mark Brown <broonie@kernel.org> Acked-by: Philipp Zabel <p.zabel@pengutronix.de> Acked-by: Wolfram Sang <wsa@kernel.org> # for I2C Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Link: https://lore.kernel.org/r/20210615191543.1043414-1-robh@kernel.org
78 lines
2 KiB
YAML
78 lines
2 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/phy/renesas,usb3-phy.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Renesas R-Car generation 3 USB 3.0 PHY
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maintainers:
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- Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
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properties:
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compatible:
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items:
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- enum:
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- renesas,r8a774a1-usb3-phy # RZ/G2M
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- renesas,r8a774b1-usb3-phy # RZ/G2N
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- renesas,r8a774e1-usb3-phy # RZ/G2H
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- renesas,r8a7795-usb3-phy # R-Car H3
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- renesas,r8a7796-usb3-phy # R-Car M3-W
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- renesas,r8a77961-usb3-phy # R-Car M3-W+
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- renesas,r8a77965-usb3-phy # R-Car M3-N
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- const: renesas,rcar-gen3-usb3-phy
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reg:
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maxItems: 1
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clocks:
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minItems: 2
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maxItems: 3
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clock-names:
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# If you want to use the ssc, the clock-frequency of usb_extal
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# must not be 0.
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minItems: 2
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items:
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- const: usb3-if # The funcional clock
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- const: usb3s_clk # The usb3's external clock
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- const: usb_extal # The usb2's external clock
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'#phy-cells':
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# see phy-bindings.txt in the same directory
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const: 0
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power-domains:
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maxItems: 1
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resets:
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maxItems: 1
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renesas,ssc-range:
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description: |
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Enable/disable spread spectrum clock (ssc). 0 or the property doesn't
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exist means disabling the ssc. The actual value will be -<value> ppm.
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$ref: /schemas/types.yaml#/definitions/uint32
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enum: [ 0, 4003, 4492, 4980 ]
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required:
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- compatible
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- reg
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- clocks
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- clock-names
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- '#phy-cells'
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/clock/r8a7795-cpg-mssr.h>
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#include <dt-bindings/power/r8a7795-sysc.h>
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usb-phy@e65ee000 {
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compatible = "renesas,r8a7795-usb3-phy", "renesas,rcar-gen3-usb3-phy";
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reg = <0xe65ee000 0x90>;
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clocks = <&cpg CPG_MOD 328>, <&usb3s0_clk>, <&usb_extal>;
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clock-names = "usb3-if", "usb3s_clk", "usb_extal";
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#phy-cells = <0>;
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};
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