129a70a17c
Ensure all raw NAND chip properties are valid by referencing the relevant schema and set unevaluatedProperties to false in the NAND chip section to avoid spurious additions of random properties. Doing this in one location also saves us from dupplicating the description of the NAND chip object. Cc: Masahiro Yamada <yamada.masahiro@socionext.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/linux-mtd/20230619092916.3028470-12-miquel.raynal@bootlin.com
154 lines
3.2 KiB
YAML
154 lines
3.2 KiB
YAML
# 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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$id: http://devicetree.org/schemas/mtd/denali,nand.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Denali NAND controller
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maintainers:
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- Masahiro Yamada <yamada.masahiro@socionext.com>
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properties:
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compatible:
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enum:
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- altr,socfpga-denali-nand
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- socionext,uniphier-denali-nand-v5a
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- socionext,uniphier-denali-nand-v5b
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reg-names:
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description: |
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There are two register regions:
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nand_data: host data/command interface
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denali_reg: register interface
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items:
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- const: nand_data
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- const: denali_reg
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reg:
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minItems: 2
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maxItems: 2
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interrupts:
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maxItems: 1
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clock-names:
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description: |
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There are three clocks:
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nand: controller core clock
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nand_x: bus interface clock
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ecc: ECC circuit clock
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items:
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- const: nand
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- const: nand_x
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- const: ecc
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clocks:
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minItems: 3
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maxItems: 3
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reset-names:
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description: |
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There are two optional resets:
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nand: controller core reset
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reg: register reset
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oneOf:
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- items:
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- const: nand
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- const: reg
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- const: nand
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- const: reg
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resets:
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minItems: 1
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maxItems: 2
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patternProperties:
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"^nand@[a-f0-9]$":
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type: object
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$ref: raw-nand-chip.yaml
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unevaluatedProperties: false
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allOf:
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- $ref: nand-controller.yaml
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- if:
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properties:
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compatible:
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contains:
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const: altr,socfpga-denali-nand
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then:
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patternProperties:
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"^nand@[a-f0-9]$":
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properties:
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nand-ecc-strength:
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enum:
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- 8
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- 15
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nand-ecc-step-size:
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enum:
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- 512
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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: socionext,uniphier-denali-nand-v5a
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then:
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patternProperties:
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"^nand@[a-f0-9]$":
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properties:
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nand-ecc-strength:
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enum:
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- 8
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- 16
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- 24
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nand-ecc-step-size:
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enum:
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- 1024
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- if:
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properties:
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compatible:
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contains:
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const: socionext,uniphier-denali-nand-v5b
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then:
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patternProperties:
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"^nand@[a-f0-9]$":
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properties:
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nand-ecc-strength:
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enum:
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- 8
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- 16
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nand-ecc-step-size:
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enum:
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- 1024
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required:
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- compatible
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- reg
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- interrupts
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- clock-names
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- clocks
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unevaluatedProperties: false
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examples:
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- |
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nand-controller@ff900000 {
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compatible = "altr,socfpga-denali-nand";
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reg-names = "nand_data", "denali_reg";
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reg = <0xff900000 0x20>, <0xffb80000 0x1000>;
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interrupts = <0 144 4>;
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clock-names = "nand", "nand_x", "ecc";
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clocks = <&nand_clk>, <&nand_x_clk>, <&nand_ecc_clk>;
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reset-names = "nand", "reg";
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resets = <&nand_rst>, <&nand_reg_rst>;
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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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};
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};
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