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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
155 lines
3.6 KiB
YAML
155 lines
3.6 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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$id: http://devicetree.org/schemas/display/rockchip/rockchip,dw-hdmi.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Rockchip DWC HDMI TX Encoder
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maintainers:
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- Mark Yao <markyao0591@gmail.com>
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description: |
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The HDMI transmitter is a Synopsys DesignWare HDMI 1.4 TX controller IP
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with a companion PHY IP.
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allOf:
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- $ref: ../bridge/synopsys,dw-hdmi.yaml#
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properties:
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compatible:
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enum:
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- rockchip,rk3228-dw-hdmi
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- rockchip,rk3288-dw-hdmi
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- rockchip,rk3328-dw-hdmi
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- rockchip,rk3399-dw-hdmi
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reg-io-width:
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const: 4
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clocks:
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minItems: 2
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items:
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- {}
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- {}
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# The next three clocks are all optional, but shall be specified in this
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# order when present.
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- description: The HDMI CEC controller main clock
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- description: Power for GRF IO
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- description: External clock for some HDMI PHY
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clock-names:
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minItems: 2
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items:
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- {}
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- {}
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- enum:
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- cec
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- grf
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- vpll
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- enum:
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- grf
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- vpll
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- const: vpll
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ddc-i2c-bus:
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$ref: /schemas/types.yaml#/definitions/phandle
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description:
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The HDMI DDC bus can be connected to either a system I2C master or the
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functionally-reduced I2C master contained in the DWC HDMI. When connected
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to a system I2C master this property contains a phandle to that I2C
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master controller.
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phys:
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maxItems: 1
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description: The HDMI PHY
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phy-names:
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const: hdmi
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pinctrl-names:
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description:
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The unwedge pinctrl entry shall drive the DDC SDA line low. This is
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intended to work around a hardware errata that can cause the DDC I2C
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bus to be wedged.
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items:
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- const: default
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- const: unwedge
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ports:
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$ref: /schemas/graph.yaml#/properties/ports
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properties:
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port:
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$ref: /schemas/graph.yaml#/$defs/port-base
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unevaluatedProperties: false
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description: Input of the DWC HDMI TX
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properties:
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endpoint@0:
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$ref: /schemas/graph.yaml#/properties/endpoint
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description: Connection to the VOPB
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endpoint@1:
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$ref: /schemas/graph.yaml#/properties/endpoint
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description: Connection to the VOPL
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required:
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- endpoint@0
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- endpoint@1
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required:
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- port
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rockchip,grf:
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$ref: /schemas/types.yaml#/definitions/phandle
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description:
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phandle to the GRF to mux vopl/vopb.
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required:
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- compatible
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- reg
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- reg-io-width
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- clocks
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- clock-names
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- interrupts
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- ports
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- rockchip,grf
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unevaluatedProperties: false
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examples:
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- |
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#include <dt-bindings/clock/rk3288-cru.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/interrupt-controller/irq.h>
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hdmi: hdmi@ff980000 {
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compatible = "rockchip,rk3288-dw-hdmi";
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reg = <0xff980000 0x20000>;
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reg-io-width = <4>;
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ddc-i2c-bus = <&i2c5>;
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rockchip,grf = <&grf>;
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interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&cru PCLK_HDMI_CTRL>, <&cru SCLK_HDMI_HDCP>;
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clock-names = "iahb", "isfr";
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ports {
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port {
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#address-cells = <1>;
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#size-cells = <0>;
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hdmi_in_vopb: endpoint@0 {
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reg = <0>;
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remote-endpoint = <&vopb_out_hdmi>;
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};
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hdmi_in_vopl: endpoint@1 {
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reg = <1>;
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remote-endpoint = <&vopl_out_hdmi>;
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};
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};
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};
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};
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...
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