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131 lines
3.0 KiB
131 lines
3.0 KiB
# 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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$id: http://devicetree.org/schemas/mtd/st,stm32-fmc2-nand.yaml# |
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$schema: http://devicetree.org/meta-schemas/core.yaml# |
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title: STMicroelectronics Flexible Memory Controller 2 (FMC2) Bindings |
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maintainers: |
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- Christophe Kerello <[email protected]> |
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properties: |
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compatible: |
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enum: |
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- st,stm32mp15-fmc2 |
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- st,stm32mp1-fmc2-nfc |
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reg: |
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minItems: 6 |
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maxItems: 7 |
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interrupts: |
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maxItems: 1 |
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dmas: |
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items: |
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- description: tx DMA channel |
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- description: rx DMA channel |
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- description: ecc DMA channel |
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dma-names: |
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items: |
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- const: tx |
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- const: rx |
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- const: ecc |
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patternProperties: |
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"^nand@[a-f0-9]$": |
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type: object |
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properties: |
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nand-ecc-step-size: |
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const: 512 |
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nand-ecc-strength: |
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enum: [1, 4, 8] |
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allOf: |
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- $ref: "nand-controller.yaml#" |
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- if: |
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properties: |
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compatible: |
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contains: |
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const: st,stm32mp15-fmc2 |
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then: |
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properties: |
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reg: |
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items: |
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- description: Registers |
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- description: Chip select 0 data |
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- description: Chip select 0 command |
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- description: Chip select 0 address space |
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- description: Chip select 1 data |
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- description: Chip select 1 command |
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- description: Chip select 1 address space |
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clocks: |
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maxItems: 1 |
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resets: |
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maxItems: 1 |
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required: |
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- clocks |
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- if: |
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properties: |
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compatible: |
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contains: |
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const: st,stm32mp1-fmc2-nfc |
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then: |
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properties: |
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reg: |
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items: |
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- description: Chip select 0 data |
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- description: Chip select 0 command |
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- description: Chip select 0 address space |
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- description: Chip select 1 data |
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- description: Chip select 1 command |
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- description: Chip select 1 address space |
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required: |
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- compatible |
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- reg |
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- interrupts |
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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/clock/stm32mp1-clks.h> |
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#include <dt-bindings/reset/stm32mp1-resets.h> |
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nand-controller@58002000 { |
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compatible = "st,stm32mp15-fmc2"; |
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reg = <0x58002000 0x1000>, |
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<0x80000000 0x1000>, |
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<0x88010000 0x1000>, |
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<0x88020000 0x1000>, |
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<0x81000000 0x1000>, |
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<0x89010000 0x1000>, |
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<0x89020000 0x1000>; |
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interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>; |
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dmas = <&mdma1 20 0x2 0x12000a02 0x0 0x0>, |
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<&mdma1 20 0x2 0x12000a08 0x0 0x0>, |
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<&mdma1 21 0x2 0x12000a0a 0x0 0x0>; |
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dma-names = "tx", "rx", "ecc"; |
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clocks = <&rcc FMC_K>; |
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resets = <&rcc FMC_R>; |
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#address-cells = <1>; |
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#size-cells = <0>; |
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nand@0 { |
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reg = <0>; |
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nand-on-flash-bbt; |
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#address-cells = <1>; |
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#size-cells = <1>; |
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}; |
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}; |
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...
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