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82 lines
1.9 KiB
82 lines
1.9 KiB
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) |
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%YAML 1.2 |
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--- |
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$id: http://devicetree.org/schemas/spi/aspeed,ast2600-fmc.yaml# |
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$schema: http://devicetree.org/meta-schemas/core.yaml# |
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title: Aspeed SMC controllers bindings |
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maintainers: |
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- Chin-Ting Kuo <[email protected]> |
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- Cédric Le Goater <[email protected]> |
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description: | |
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This binding describes the Aspeed Static Memory Controllers (FMC and |
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SPI) of the AST2400, AST2500 and AST2600 SOCs. |
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allOf: |
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- $ref: "spi-controller.yaml#" |
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properties: |
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compatible: |
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enum: |
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- aspeed,ast2600-fmc |
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- aspeed,ast2600-spi |
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- aspeed,ast2500-fmc |
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- aspeed,ast2500-spi |
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- aspeed,ast2400-fmc |
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- aspeed,ast2400-spi |
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reg: |
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items: |
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- description: registers |
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- description: memory mapping |
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clocks: |
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maxItems: 1 |
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interrupts: |
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maxItems: 1 |
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required: |
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- compatible |
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- reg |
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- clocks |
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unevaluatedProperties: false |
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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/interrupt-controller/aspeed-scu-ic.h> |
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#include <dt-bindings/clock/ast2600-clock.h> |
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spi@1e620000 { |
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reg = <0x1e620000 0xc4>, <0x20000000 0x10000000>; |
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#address-cells = <1>; |
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#size-cells = <0>; |
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compatible = "aspeed,ast2600-fmc"; |
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clocks = <&syscon ASPEED_CLK_AHB>; |
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interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>; |
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flash@0 { |
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reg = < 0 >; |
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compatible = "jedec,spi-nor"; |
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spi-max-frequency = <50000000>; |
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spi-rx-bus-width = <2>; |
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}; |
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flash@1 { |
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reg = < 1 >; |
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compatible = "jedec,spi-nor"; |
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spi-max-frequency = <50000000>; |
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spi-rx-bus-width = <2>; |
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}; |
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flash@2 { |
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reg = < 2 >; |
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compatible = "jedec,spi-nor"; |
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spi-max-frequency = <50000000>; |
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spi-rx-bus-width = <2>; |
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}; |
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};
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