Convert the Denali NAND controller binding to DT schema format. Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> --- .../devicetree/bindings/mtd/denali,nand.yaml | 149 ++++++++++++++++++ .../devicetree/bindings/mtd/denali-nand.txt | 61 ------- 2 files changed, 149 insertions(+), 61 deletions(-) create mode 100644 Documentation/devicetree/bindings/mtd/denali,nand.yaml delete mode 100644 Documentation/devicetree/bindings/mtd/denali-nand.txt diff --git a/Documentation/devicetree/bindings/mtd/denali,nand.yaml b/Documentation/devicetree/bindings/mtd/denali,nand.yaml new file mode 100644 index 000000000000..b41b7e4bfe78 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/denali,nand.yaml @@ -0,0 +1,149 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mtd/denali,nand.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Denali NAND controller + +maintainers: + - Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> + +properties: + compatible: + description: version 2.91, 3.1, 3.1.1, respectively + enum: + - altr,socfpga-denali-nand + - socionext,uniphier-denali-nand-v5a + - socionext,uniphier-denali-nand-v5b + + reg-names: + description: | + There are two register regions: + nand_data: host data/command interface + denali_reg: register interface + items: + - const: nand_data + - const: denali_reg + + reg: + minItems: 2 + maxItems: 2 + + interrupts: + maxItems: 1 + + clock-names: + description: | + There are three clocks: + nand: controller core clock + nand_x: bus interface clock + ecc: ECC circuit clock + items: + - const: nand + - const: nand_x + - const: ecc + + clocks: + minItems: 3 + maxItems: 3 + + reset-names: + description: | + There are two optional resets: + nand: controller core reset + reg: register reset + oneOf: + - items: + - const: nand + - const: reg + - const: nand + - const: reg + + resets: + minItems: 1 + maxItems: 2 + +allOf: + - $ref: nand-controller.yaml + + - if: + properties: + compatible: + contains: + const: altr,socfpga-denali-nand + then: + patternProperties: + "^nand@[a-f0-9]$": + type: object + properties: + nand-ecc-strength: + enum: + - 8 + - 15 + nand-ecc-step-size: + enum: + - 512 + + - if: + properties: + compatible: + contains: + const: socionext,uniphier-denali-nand-v5a + then: + patternProperties: + "^nand@[a-f0-9]$": + type: object + properties: + nand-ecc-strength: + enum: + - 8 + - 16 + - 24 + nand-ecc-step-size: + enum: + - 1024 + + - if: + properties: + compatible: + contains: + const: socionext,uniphier-denali-nand-v5b + then: + patternProperties: + "^nand@[a-f0-9]$": + type: object + properties: + nand-ecc-strength: + enum: + - 8 + - 16 + nand-ecc-step-size: + enum: + - 1024 + +required: + - compatible + - reg + - interrupts + - clock-names + - clocks + +examples: + - | + nand-controller@ff900000 { + compatible = "altr,socfpga-denali-nand"; + reg-names = "nand_data", "denali_reg"; + reg = <0xff900000 0x20>, <0xffb80000 0x1000>; + interrupts = <0 144 4>; + clock-names = "nand", "nand_x", "ecc"; + clocks = <&nand_clk>, <&nand_x_clk>, <&nand_ecc_clk>; + reset-names = "nand", "reg"; + resets = <&nand_rst>, <&nand_reg_rst>; + #address-cells = <1>; + #size-cells = <0>; + + nand@0 { + reg = <0>; + }; + }; diff --git a/Documentation/devicetree/bindings/mtd/denali-nand.txt b/Documentation/devicetree/bindings/mtd/denali-nand.txt deleted file mode 100644 index 98916a84bbf6..000000000000 --- a/Documentation/devicetree/bindings/mtd/denali-nand.txt +++ /dev/null @@ -1,61 +0,0 @@ -* Denali NAND controller - -Required properties: - - compatible : should be one of the following: - "altr,socfpga-denali-nand" - for Altera SOCFPGA - "socionext,uniphier-denali-nand-v5a" - for Socionext UniPhier (v5a) - "socionext,uniphier-denali-nand-v5b" - for Socionext UniPhier (v5b) - - reg : should contain registers location and length for data and reg. - - reg-names: Should contain the reg names "nand_data" and "denali_reg" - - #address-cells: should be 1. The cell encodes the chip select connection. - - #size-cells : should be 0. - - interrupts : The interrupt number. - - clocks: should contain phandle of the controller core clock, the bus - interface clock, and the ECC circuit clock. - - clock-names: should contain "nand", "nand_x", "ecc" - -Optional properties: - - resets: may contain phandles to the controller core reset, the register - reset - - reset-names: may contain "nand", "reg" - -Sub-nodes: - Sub-nodes represent available NAND chips. - - Required properties: - - reg: should contain the bank ID of the controller to which each chip - select is connected. - - Optional properties: - - nand-ecc-step-size: see nand-controller.yaml for details. - If present, the value must be - 512 for "altr,socfpga-denali-nand" - 1024 for "socionext,uniphier-denali-nand-v5a" - 1024 for "socionext,uniphier-denali-nand-v5b" - - nand-ecc-strength: see nand-controller.yaml for details. Valid values are: - 8, 15 for "altr,socfpga-denali-nand" - 8, 16, 24 for "socionext,uniphier-denali-nand-v5a" - 8, 16 for "socionext,uniphier-denali-nand-v5b" - - nand-ecc-maximize: see nand-controller.yaml for details - -The chip nodes may optionally contain sub-nodes describing partitions of the -address space. See partition.txt for more detail. - -Examples: - -nand: nand@ff900000 { - #address-cells = <1>; - #size-cells = <0>; - compatible = "altr,socfpga-denali-nand"; - reg = <0xff900000 0x20>, <0xffb80000 0x1000>; - reg-names = "nand_data", "denali_reg"; - clocks = <&nand_clk>, <&nand_x_clk>, <&nand_ecc_clk>; - clock-names = "nand", "nand_x", "ecc"; - resets = <&nand_rst>, <&nand_reg_rst>; - reset-names = "nand", "reg"; - interrupts = <0 144 4>; - - nand@0 { - reg = <0>; - } -}; -- 2.17.1
