| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/mtd/st,stm32-fmc2-nand.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: STMicroelectronics Flexible Memory Controller 2 (FMC2) Bindings |
| |
| maintainers: |
| - Christophe Kerello <christophe.kerello@st.com> |
| |
| properties: |
| compatible: |
| enum: |
| - st,stm32mp15-fmc2 |
| - st,stm32mp1-fmc2-nfc |
| |
| reg: |
| minItems: 6 |
| maxItems: 7 |
| |
| interrupts: |
| maxItems: 1 |
| |
| dmas: |
| items: |
| - description: tx DMA channel |
| - description: rx DMA channel |
| - description: ecc DMA channel |
| |
| dma-names: |
| items: |
| - const: tx |
| - const: rx |
| - const: ecc |
| |
| patternProperties: |
| "^nand@[a-f0-9]$": |
| type: object |
| properties: |
| nand-ecc-step-size: |
| const: 512 |
| |
| nand-ecc-strength: |
| enum: [1, 4, 8] |
| |
| allOf: |
| - $ref: "nand-controller.yaml#" |
| |
| - if: |
| properties: |
| compatible: |
| contains: |
| const: st,stm32mp15-fmc2 |
| then: |
| properties: |
| reg: |
| items: |
| - description: Registers |
| - description: Chip select 0 data |
| - description: Chip select 0 command |
| - description: Chip select 0 address space |
| - description: Chip select 1 data |
| - description: Chip select 1 command |
| - description: Chip select 1 address space |
| |
| clocks: |
| maxItems: 1 |
| |
| resets: |
| maxItems: 1 |
| |
| required: |
| - clocks |
| |
| - if: |
| properties: |
| compatible: |
| contains: |
| const: st,stm32mp1-fmc2-nfc |
| then: |
| properties: |
| reg: |
| items: |
| - description: Chip select 0 data |
| - description: Chip select 0 command |
| - description: Chip select 0 address space |
| - description: Chip select 1 data |
| - description: Chip select 1 command |
| - description: Chip select 1 address space |
| |
| required: |
| - compatible |
| - reg |
| - interrupts |
| |
| unevaluatedProperties: false |
| |
| examples: |
| - | |
| #include <dt-bindings/interrupt-controller/arm-gic.h> |
| #include <dt-bindings/clock/stm32mp1-clks.h> |
| #include <dt-bindings/reset/stm32mp1-resets.h> |
| nand-controller@58002000 { |
| compatible = "st,stm32mp15-fmc2"; |
| reg = <0x58002000 0x1000>, |
| <0x80000000 0x1000>, |
| <0x88010000 0x1000>, |
| <0x88020000 0x1000>, |
| <0x81000000 0x1000>, |
| <0x89010000 0x1000>, |
| <0x89020000 0x1000>; |
| interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>; |
| dmas = <&mdma1 20 0x2 0x12000a02 0x0 0x0>, |
| <&mdma1 20 0x2 0x12000a08 0x0 0x0>, |
| <&mdma1 21 0x2 0x12000a0a 0x0 0x0>; |
| dma-names = "tx", "rx", "ecc"; |
| clocks = <&rcc FMC_K>; |
| resets = <&rcc FMC_R>; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| nand@0 { |
| reg = <0>; |
| nand-on-flash-bbt; |
| #address-cells = <1>; |
| #size-cells = <1>; |
| }; |
| }; |
| |
| ... |
