159 lines · yaml
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)2%YAML 1.23---4$id: http://devicetree.org/schemas/mtd/st,stm32-fmc2-nand.yaml#5$schema: http://devicetree.org/meta-schemas/core.yaml#6 7title: STMicroelectronics Flexible Memory Controller 2 (FMC2)8 9maintainers:10 - Christophe Kerello <christophe.kerello@foss.st.com>11 12properties:13 compatible:14 enum:15 - st,stm32mp15-fmc216 - st,stm32mp1-fmc2-nfc17 - st,stm32mp25-fmc2-nfc18 19 reg:20 minItems: 621 maxItems: 1222 23 interrupts:24 maxItems: 125 26 dmas:27 items:28 - description: tx DMA channel29 - description: rx DMA channel30 - description: ecc DMA channel31 32 dma-names:33 items:34 - const: tx35 - const: rx36 - const: ecc37 38patternProperties:39 "^nand@[a-f0-9]$":40 type: object41 $ref: raw-nand-chip.yaml42 properties:43 nand-ecc-step-size:44 const: 51245 46 nand-ecc-strength:47 enum: [1, 4, 8]48 49 unevaluatedProperties: false50 51allOf:52 - $ref: nand-controller.yaml#53 54 - if:55 properties:56 compatible:57 contains:58 const: st,stm32mp15-fmc259 then:60 properties:61 reg:62 items:63 - description: Registers64 - description: Chip select 0 data65 - description: Chip select 0 command66 - description: Chip select 0 address space67 - description: Chip select 1 data68 - description: Chip select 1 command69 - description: Chip select 1 address space70 71 clocks:72 maxItems: 173 74 resets:75 maxItems: 176 77 required:78 - clocks79 80 - if:81 properties:82 compatible:83 contains:84 const: st,stm32mp1-fmc2-nfc85 then:86 properties:87 reg:88 items:89 - description: Chip select 0 data90 - description: Chip select 0 command91 - description: Chip select 0 address space92 - description: Chip select 1 data93 - description: Chip select 1 command94 - description: Chip select 1 address space95 96 - if:97 properties:98 compatible:99 contains:100 const: st,stm32mp25-fmc2-nfc101 then:102 properties:103 reg:104 items:105 - description: Chip select 0 data106 - description: Chip select 0 command107 - description: Chip select 0 address space108 - description: Chip select 1 data109 - description: Chip select 1 command110 - description: Chip select 1 address space111 - description: Chip select 2 data112 - description: Chip select 2 command113 - description: Chip select 2 address space114 - description: Chip select 3 data115 - description: Chip select 3 command116 - description: Chip select 3 address space117 118required:119 - compatible120 - reg121 - interrupts122 123unevaluatedProperties: false124 125examples:126 - |127 #include <dt-bindings/interrupt-controller/arm-gic.h>128 #include <dt-bindings/clock/stm32mp1-clks.h>129 #include <dt-bindings/reset/stm32mp1-resets.h>130 131 nand-controller@58002000 {132 compatible = "st,stm32mp15-fmc2";133 reg = <0x58002000 0x1000>,134 <0x80000000 0x1000>,135 <0x88010000 0x1000>,136 <0x88020000 0x1000>,137 <0x81000000 0x1000>,138 <0x89010000 0x1000>,139 <0x89020000 0x1000>;140 interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>;141 dmas = <&mdma1 20 0x2 0x12000a02 0x0 0x0>,142 <&mdma1 20 0x2 0x12000a08 0x0 0x0>,143 <&mdma1 21 0x2 0x12000a0a 0x0 0x0>;144 dma-names = "tx", "rx", "ecc";145 clocks = <&rcc FMC_K>;146 resets = <&rcc FMC_R>;147 #address-cells = <1>;148 #size-cells = <0>;149 150 nand@0 {151 reg = <0>;152 nand-on-flash-bbt;153 #address-cells = <1>;154 #size-cells = <1>;155 };156 };157 158...159