5be478f9c2
Another round of wack-a-mole. The json-schema default is additional unknown properties are allowed, but for DT all properties should be defined. Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Stephen Boyd <sboyd@kernel.org> Cc: Shawn Guo <shawnguo@kernel.org> Cc: Bjorn Andersson <bjorn.andersson@linaro.org> Cc: Baolin Wang <baolin.wang7@gmail.com> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Cc: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Liam Girdwood <lgirdwood@gmail.com> Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-By: Vinod Koul <vkoul@kernel.org> Acked-by: Lee Jones <lee.jones@linaro.org> Acked-by: Ulf Hansson <ulf.hansson@linaro.org> Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> # for iio Acked-by: Thierry Reding <treding@nvidia.com> Acked-by: Mark Brown <broonie@kernel.org> Reviewd-by: Corey Minyard <cminyard@mvista.com> Acked-by: Pavel Machek <pavel@ucw.cz> Acked-by: Sebastian Reichel <sre@kernel.org> Link: https://lore.kernel.org/r/20201002234143.3570746-1-robh@kernel.org Signed-off-by: Rob Herring <robh@kernel.org>
127 lines
3.0 KiB
YAML
127 lines
3.0 KiB
YAML
# SPDX-License-Identifier: GPL-2.0
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/serial/samsung_uart.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Samsung S3C, S5P and Exynos SoC UART Controller
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maintainers:
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- Krzysztof Kozlowski <krzk@kernel.org>
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- Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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description: |+
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Each Samsung UART should have an alias correctly numbered in the "aliases"
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node, according to serialN format, where N is the port number (non-negative
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decimal integer) as specified by User's Manual of respective SoC.
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properties:
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compatible:
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items:
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- enum:
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- samsung,s3c2410-uart
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- samsung,s3c2412-uart
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- samsung,s3c2440-uart
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- samsung,s3c6400-uart
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- samsung,s5pv210-uart
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- samsung,exynos4210-uart
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reg:
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maxItems: 1
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reg-io-width:
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description: |
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The size (in bytes) of the IO accesses that should be performed
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on the device.
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$ref: /schemas/types.yaml#/definitions/uint32
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enum: [ 1, 4 ]
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clocks:
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minItems: 2
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maxItems: 5
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clock-names:
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description: N = 0 is allowed for SoCs without internal baud clock mux.
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minItems: 2
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maxItems: 5
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items:
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- const: uart
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- pattern: '^clk_uart_baud[0-3]$'
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- pattern: '^clk_uart_baud[0-3]$'
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- pattern: '^clk_uart_baud[0-3]$'
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- pattern: '^clk_uart_baud[0-3]$'
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interrupts:
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description: RX interrupt and optionally TX interrupt.
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minItems: 1
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maxItems: 2
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samsung,uart-fifosize:
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description: The fifo size supported by the UART channel.
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$ref: /schemas/types.yaml#/definitions/uint32
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enum: [16, 64, 256]
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required:
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- compatible
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- clocks
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- clock-names
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- interrupts
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- reg
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additionalProperties: false
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allOf:
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- if:
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properties:
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compatible:
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contains:
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enum:
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- samsung,s3c2410-uart
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- samsung,s5pv210-uart
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then:
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properties:
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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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minItems: 2
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maxItems: 3
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items:
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- const: uart
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- pattern: '^clk_uart_baud[0-1]$'
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- pattern: '^clk_uart_baud[0-1]$'
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- if:
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properties:
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compatible:
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contains:
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enum:
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- samsung,exynos4210-uart
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then:
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properties:
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clocks:
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minItems: 2
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maxItems: 2
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clock-names:
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minItems: 2
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maxItems: 2
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items:
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- const: uart
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- const: clk_uart_baud0
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examples:
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- |
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#include <dt-bindings/clock/samsung,s3c64xx-clock.h>
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uart0: serial@7f005000 {
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compatible = "samsung,s3c6400-uart";
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reg = <0x7f005000 0x100>;
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interrupt-parent = <&vic1>;
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interrupts = <5>;
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clock-names = "uart", "clk_uart_baud2",
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"clk_uart_baud3";
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clocks = <&clocks PCLK_UART0>, <&clocks PCLK_UART0>,
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<&clocks SCLK_UART>;
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samsung,uart-fifosize = <16>;
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};
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