182ba4997SMasahiro Yamada# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause 282ba4997SMasahiro Yamada%YAML 1.2 382ba4997SMasahiro Yamada--- 482ba4997SMasahiro Yamada$id: http://devicetree.org/schemas/mtd/denali,nand.yaml# 582ba4997SMasahiro Yamada$schema: http://devicetree.org/meta-schemas/core.yaml# 682ba4997SMasahiro Yamada 782ba4997SMasahiro Yamadatitle: Denali NAND controller 882ba4997SMasahiro Yamada 982ba4997SMasahiro Yamadamaintainers: 1082ba4997SMasahiro Yamada - Masahiro Yamada <yamada.masahiro@socionext.com> 1182ba4997SMasahiro Yamada 1282ba4997SMasahiro Yamadaproperties: 1382ba4997SMasahiro Yamada compatible: 1482ba4997SMasahiro Yamada enum: 1582ba4997SMasahiro Yamada - altr,socfpga-denali-nand 1682ba4997SMasahiro Yamada - socionext,uniphier-denali-nand-v5a 1782ba4997SMasahiro Yamada - socionext,uniphier-denali-nand-v5b 1882ba4997SMasahiro Yamada 1982ba4997SMasahiro Yamada reg-names: 2082ba4997SMasahiro Yamada description: | 2182ba4997SMasahiro Yamada There are two register regions: 2282ba4997SMasahiro Yamada nand_data: host data/command interface 2382ba4997SMasahiro Yamada denali_reg: register interface 2482ba4997SMasahiro Yamada items: 2582ba4997SMasahiro Yamada - const: nand_data 2682ba4997SMasahiro Yamada - const: denali_reg 2782ba4997SMasahiro Yamada 2882ba4997SMasahiro Yamada reg: 2982ba4997SMasahiro Yamada minItems: 2 3082ba4997SMasahiro Yamada maxItems: 2 3182ba4997SMasahiro Yamada 3282ba4997SMasahiro Yamada interrupts: 3382ba4997SMasahiro Yamada maxItems: 1 3482ba4997SMasahiro Yamada 3582ba4997SMasahiro Yamada clock-names: 3682ba4997SMasahiro Yamada description: | 3782ba4997SMasahiro Yamada There are three clocks: 3882ba4997SMasahiro Yamada nand: controller core clock 3982ba4997SMasahiro Yamada nand_x: bus interface clock 4082ba4997SMasahiro Yamada ecc: ECC circuit clock 4182ba4997SMasahiro Yamada items: 4282ba4997SMasahiro Yamada - const: nand 4382ba4997SMasahiro Yamada - const: nand_x 4482ba4997SMasahiro Yamada - const: ecc 4582ba4997SMasahiro Yamada 4682ba4997SMasahiro Yamada clocks: 4782ba4997SMasahiro Yamada minItems: 3 4882ba4997SMasahiro Yamada maxItems: 3 4982ba4997SMasahiro Yamada 5082ba4997SMasahiro Yamada reset-names: 5182ba4997SMasahiro Yamada description: | 5282ba4997SMasahiro Yamada There are two optional resets: 5382ba4997SMasahiro Yamada nand: controller core reset 5482ba4997SMasahiro Yamada reg: register reset 5582ba4997SMasahiro Yamada oneOf: 5682ba4997SMasahiro Yamada - items: 5782ba4997SMasahiro Yamada - const: nand 5882ba4997SMasahiro Yamada - const: reg 5982ba4997SMasahiro Yamada - const: nand 6082ba4997SMasahiro Yamada - const: reg 6182ba4997SMasahiro Yamada 6282ba4997SMasahiro Yamada resets: 6382ba4997SMasahiro Yamada minItems: 1 6482ba4997SMasahiro Yamada maxItems: 2 6582ba4997SMasahiro Yamada 6682ba4997SMasahiro YamadaallOf: 6782ba4997SMasahiro Yamada - $ref: nand-controller.yaml 6882ba4997SMasahiro Yamada 6982ba4997SMasahiro Yamada - if: 7082ba4997SMasahiro Yamada properties: 7182ba4997SMasahiro Yamada compatible: 7282ba4997SMasahiro Yamada contains: 7382ba4997SMasahiro Yamada const: altr,socfpga-denali-nand 7482ba4997SMasahiro Yamada then: 7582ba4997SMasahiro Yamada patternProperties: 7682ba4997SMasahiro Yamada "^nand@[a-f0-9]$": 7782ba4997SMasahiro Yamada type: object 7882ba4997SMasahiro Yamada properties: 7982ba4997SMasahiro Yamada nand-ecc-strength: 8082ba4997SMasahiro Yamada enum: 8182ba4997SMasahiro Yamada - 8 8282ba4997SMasahiro Yamada - 15 8382ba4997SMasahiro Yamada nand-ecc-step-size: 8482ba4997SMasahiro Yamada enum: 8582ba4997SMasahiro Yamada - 512 8682ba4997SMasahiro Yamada 8782ba4997SMasahiro Yamada - if: 8882ba4997SMasahiro Yamada properties: 8982ba4997SMasahiro Yamada compatible: 9082ba4997SMasahiro Yamada contains: 9182ba4997SMasahiro Yamada const: socionext,uniphier-denali-nand-v5a 9282ba4997SMasahiro Yamada then: 9382ba4997SMasahiro Yamada patternProperties: 9482ba4997SMasahiro Yamada "^nand@[a-f0-9]$": 9582ba4997SMasahiro Yamada type: object 9682ba4997SMasahiro Yamada properties: 9782ba4997SMasahiro Yamada nand-ecc-strength: 9882ba4997SMasahiro Yamada enum: 9982ba4997SMasahiro Yamada - 8 10082ba4997SMasahiro Yamada - 16 10182ba4997SMasahiro Yamada - 24 10282ba4997SMasahiro Yamada nand-ecc-step-size: 10382ba4997SMasahiro Yamada enum: 10482ba4997SMasahiro Yamada - 1024 10582ba4997SMasahiro Yamada 10682ba4997SMasahiro Yamada - if: 10782ba4997SMasahiro Yamada properties: 10882ba4997SMasahiro Yamada compatible: 10982ba4997SMasahiro Yamada contains: 11082ba4997SMasahiro Yamada const: socionext,uniphier-denali-nand-v5b 11182ba4997SMasahiro Yamada then: 11282ba4997SMasahiro Yamada patternProperties: 11382ba4997SMasahiro Yamada "^nand@[a-f0-9]$": 11482ba4997SMasahiro Yamada type: object 11582ba4997SMasahiro Yamada properties: 11682ba4997SMasahiro Yamada nand-ecc-strength: 11782ba4997SMasahiro Yamada enum: 11882ba4997SMasahiro Yamada - 8 11982ba4997SMasahiro Yamada - 16 12082ba4997SMasahiro Yamada nand-ecc-step-size: 12182ba4997SMasahiro Yamada enum: 12282ba4997SMasahiro Yamada - 1024 12382ba4997SMasahiro Yamada 12482ba4997SMasahiro Yamadarequired: 12582ba4997SMasahiro Yamada - compatible 12682ba4997SMasahiro Yamada - reg 12782ba4997SMasahiro Yamada - interrupts 12882ba4997SMasahiro Yamada - clock-names 12982ba4997SMasahiro Yamada - clocks 13082ba4997SMasahiro Yamada 13182ba4997SMasahiro Yamadaexamples: 13282ba4997SMasahiro Yamada - | 13382ba4997SMasahiro Yamada nand-controller@ff900000 { 13482ba4997SMasahiro Yamada compatible = "altr,socfpga-denali-nand"; 13582ba4997SMasahiro Yamada reg-names = "nand_data", "denali_reg"; 13682ba4997SMasahiro Yamada reg = <0xff900000 0x20>, <0xffb80000 0x1000>; 13782ba4997SMasahiro Yamada interrupts = <0 144 4>; 13882ba4997SMasahiro Yamada clock-names = "nand", "nand_x", "ecc"; 13982ba4997SMasahiro Yamada clocks = <&nand_clk>, <&nand_x_clk>, <&nand_ecc_clk>; 14082ba4997SMasahiro Yamada reset-names = "nand", "reg"; 14182ba4997SMasahiro Yamada resets = <&nand_rst>, <&nand_reg_rst>; 14282ba4997SMasahiro Yamada #address-cells = <1>; 14382ba4997SMasahiro Yamada #size-cells = <0>; 14482ba4997SMasahiro Yamada 14582ba4997SMasahiro Yamada nand@0 { 14682ba4997SMasahiro Yamada reg = <0>; 14782ba4997SMasahiro Yamada }; 14882ba4997SMasahiro Yamada }; 149