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3d21a46093
json-schema versions draft7 and earlier have a weird behavior in that any keywords combined with a '$ref' are ignored (silently). The correct form was to put a '$ref' under an 'allOf'. This behavior is now changed in the 2019-09 json-schema spec and '$ref' can be mixed with other keywords. The json-schema library doesn't yet support this, but the tooling now does a fixup for this and either way works. This has been a constant source of review comments, so let's change this treewide so everyone copies the simpler syntax. Scripted with ruamel.yaml with some manual fixups. Some minor whitespace changes from the script. Signed-off-by: Rob Herring <robh@kernel.org> Acked-by: Maxime Ripard <mripard@kernel.org> Acked-by: Lee Jones <lee.jones@linaro.org> Acked-By: Vinod Koul <vkoul@kernel.org> Acked-by: Mark Brown <broonie@kernel.org> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Acked-by: Wolfram Sang <wsa@the-dreams.de> # for I2C Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> #for-iio Reviewed-by: Stephen Boyd <sboyd@kernel.org> # clock Signed-off-by: Rob Herring <robh@kernel.org>
149 lines
4.1 KiB
YAML
149 lines
4.1 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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# Copyright 2019 BayLibre, SAS
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%YAML 1.2
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---
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$id: "http://devicetree.org/schemas/net/stm32-dwmac.yaml#"
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$schema: "http://devicetree.org/meta-schemas/core.yaml#"
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title: STMicroelectronics STM32 / MCU DWMAC glue layer controller
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maintainers:
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- Alexandre Torgue <alexandre.torgue@st.com>
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- Christophe Roullier <christophe.roullier@st.com>
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description:
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This file documents platform glue layer for stmmac.
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# We need a select here so we don't match all nodes with 'snps,dwmac'
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select:
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properties:
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compatible:
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contains:
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enum:
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- st,stm32-dwmac
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- st,stm32mp1-dwmac
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required:
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- compatible
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allOf:
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- $ref: "snps,dwmac.yaml#"
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properties:
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compatible:
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oneOf:
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- items:
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- enum:
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- st,stm32mp1-dwmac
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- const: snps,dwmac-4.20a
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- items:
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- enum:
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- st,stm32-dwmac
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- const: snps,dwmac-4.10a
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- items:
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- enum:
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- st,stm32-dwmac
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- const: snps,dwmac-3.50a
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clocks:
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minItems: 3
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maxItems: 5
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items:
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- description: GMAC main clock
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- description: MAC TX clock
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- description: MAC RX clock
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- description: For MPU family, used for power mode
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- description: For MPU family, used for PHY without quartz
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clock-names:
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minItems: 3
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maxItems: 5
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contains:
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enum:
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- stmmaceth
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- mac-clk-tx
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- mac-clk-rx
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- ethstp
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- eth-ck
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st,syscon:
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$ref: "/schemas/types.yaml#/definitions/phandle-array"
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description:
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Should be phandle/offset pair. The phandle to the syscon node which
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encompases the glue register, and the offset of the control register
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st,eth-clk-sel:
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description:
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set this property in RGMII PHY when you want to select RCC clock instead of ETH_CLK125.
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type: boolean
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st,eth-ref-clk-sel:
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description:
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set this property in RMII mode when you have PHY without crystal 50MHz and want to
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select RCC clock instead of ETH_REF_CLK.
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type: boolean
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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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- st,syscon
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examples:
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- |
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/clock/stm32mp1-clks.h>
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#include <dt-bindings/reset/stm32mp1-resets.h>
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#include <dt-bindings/mfd/stm32h7-rcc.h>
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//Example 1
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ethernet0: ethernet@5800a000 {
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compatible = "st,stm32mp1-dwmac", "snps,dwmac-4.20a";
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reg = <0x5800a000 0x2000>;
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reg-names = "stmmaceth";
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interrupts = <&intc GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>;
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interrupt-names = "macirq";
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clock-names = "stmmaceth",
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"mac-clk-tx",
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"mac-clk-rx",
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"ethstp",
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"eth-ck";
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clocks = <&rcc ETHMAC>,
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<&rcc ETHTX>,
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<&rcc ETHRX>,
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<&rcc ETHSTP>,
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<&rcc ETHCK_K>;
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st,syscon = <&syscfg 0x4>;
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snps,pbl = <2>;
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snps,axi-config = <&stmmac_axi_config_0>;
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snps,tso;
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phy-mode = "rgmii";
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};
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//Example 2 (MCU example)
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ethernet1: ethernet@40028000 {
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compatible = "st,stm32-dwmac", "snps,dwmac-3.50a";
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reg = <0x40028000 0x8000>;
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reg-names = "stmmaceth";
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interrupts = <0 61 0>, <0 62 0>;
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interrupt-names = "macirq", "eth_wake_irq";
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clock-names = "stmmaceth", "mac-clk-tx", "mac-clk-rx";
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clocks = <&rcc 0 25>, <&rcc 0 26>, <&rcc 0 27>;
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st,syscon = <&syscfg 0x4>;
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snps,pbl = <8>;
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snps,mixed-burst;
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phy-mode = "mii";
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};
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//Example 3
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ethernet2: ethernet@40027000 {
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compatible = "st,stm32-dwmac", "snps,dwmac-4.10a";
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reg = <0x40028000 0x8000>;
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reg-names = "stmmaceth";
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interrupts = <61>;
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interrupt-names = "macirq";
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clock-names = "stmmaceth", "mac-clk-tx", "mac-clk-rx";
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clocks = <&rcc 62>, <&rcc 61>, <&rcc 60>;
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st,syscon = <&syscfg 0x4>;
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snps,pbl = <8>;
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phy-mode = "mii";
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};
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