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[83.233.6.197]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-53d826a9b50sm139509e87.182.2024.11.07.01.20.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 Nov 2024 01:20:19 -0800 (PST) From: Marcus Folkesson Date: Thu, 07 Nov 2024 10:19:54 +0100 Subject: [PATCH v6 2/2] dt-bindings: mtd: davinci: convert to yaml Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241107-ondie-v6-2-f70905dc12bf@gmail.com> References: <20241107-ondie-v6-0-f70905dc12bf@gmail.com> In-Reply-To: <20241107-ondie-v6-0-f70905dc12bf@gmail.com> To: Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Marcus Folkesson X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=7516; i=marcus.folkesson@gmail.com; h=from:subject:message-id; bh=qcVQKBxN0F6baKWfAFHd5n9gYoMcBRYNhU4G/s72Xrs=; b=owEBbQKS/ZANAwAIAYiATm9ZXVIyAcsmYgBnLIZG1343w/337NBzc1ONG4UdeNT8FL9DnYAzN CjKDumVhAGJAjMEAAEIAB0WIQQFUaLotmy1TWTBLGWIgE5vWV1SMgUCZyyGRgAKCRCIgE5vWV1S MgqDD/wIYhvhmKLHzq4wjW0lIg4Dgrg/017ks9Vj+CkmlPtLeN4QNsQPGrJ1K1MlAQG22+MfUIA dC8iC+khIWro6pEJBKvPi8TBQviJKYHft2cGqQJ+e2k+I4InhQ4lnPtxzu1WV+9cYTXSulTBFZW StwzddKVQT8JeBN+Vv9IEIruj1jMzVSV2DSsshQLdE3KhWCxJo43urvBLhSKv2vSqz7TjRXu9Wx yvpw4FSTsQCEB/D2KPTUIkLenPoYv2LerenZkpDQ8N6SMgs46K0AjdMSglmYX6MlQ6c4e1P/mC5 MoDzIO87sW+bNHEaT8uFb7pc/z/5Sah7bjbryiLZ01LFuIvBHaiYmLpJ6OSRxHmLO9h7+OGpNLg 5ievr0gOpdaEoZz7teL3ig/730QUPr8IEgb7ZVCBQ7JxTHB3MkDlItPg0vln2wUWqvlWkaY6UTu eJ4MN9OC5Blna3of1UZ0FYl0gHmRKMA9KwPbvE+KL8tb3X1lQxyme3DJ1hcsQVm9/BmAi2RGAu7 2Q/EV+KUVxY+o485DhPNPyvBQ6ydB7cChgYPOozsUTiSTuOiwRoK2u49Exq1mQEZwBhoWLB0tzr dE32FX15AkThDpDdihFn+xzvsvnkvTmjzsMe5zQE71HK7FZyDGRaiGE7ExjNq/+G0YvfyC/OrF0 1/ZdcGLXku550vA== X-Developer-Key: i=marcus.folkesson@gmail.com; a=openpgp; fpr=AB91D46C7E0F6E6FB2AB640EC0FE25D598F6C127 Convert the bindings to yaml format. Signed-off-by: Marcus Folkesson --- .../devicetree/bindings/mtd/davinci-nand.txt | 94 --------------- .../devicetree/bindings/mtd/ti,davinci-nand.yaml | 134 +++++++++++++++++++++ 2 files changed, 134 insertions(+), 94 deletions(-) diff --git a/Documentation/devicetree/bindings/mtd/davinci-nand.txt b/Documentation/devicetree/bindings/mtd/davinci-nand.txt deleted file mode 100644 index eb8e2ff4dbd2901b3c396f2e66c1f590a32dcf67..0000000000000000000000000000000000000000 --- a/Documentation/devicetree/bindings/mtd/davinci-nand.txt +++ /dev/null @@ -1,94 +0,0 @@ -Device tree bindings for Texas instruments Davinci/Keystone NAND controller - -This file provides information, what the device node for the davinci/keystone -NAND interface contains. - -Documentation: -Davinci DM646x - https://www.ti.com/lit/ug/sprueq7c/sprueq7c.pdf -Kestone - https://www.ti.com/lit/ug/sprugz3a/sprugz3a.pdf - -Required properties: - -- compatible: "ti,davinci-nand" - "ti,keystone-nand" - -- reg: Contains 2 offset/length values: - - offset and length for the access window. - - offset and length for accessing the AEMIF - control registers. - -- ti,davinci-chipselect: number of chipselect. Indicates on the - davinci_nand driver which chipselect is used - for accessing the nand. - Can be in the range [0-3]. - -Recommended properties : - -- ti,davinci-mask-ale: mask for ALE. Needed for executing address - phase. These offset will be added to the base - address for the chip select space the NAND Flash - device is connected to. - If not set equal to 0x08. - -- ti,davinci-mask-cle: mask for CLE. Needed for executing command - phase. These offset will be added to the base - address for the chip select space the NAND Flash - device is connected to. - If not set equal to 0x10. - -- ti,davinci-mask-chipsel: mask for chipselect address. Needed to mask - addresses for given chipselect. - -- nand-ecc-mode: operation mode of the NAND ecc mode. ECC mode - valid values for davinci driver: - - "none" - - "soft" - - "hw" - -- ti,davinci-ecc-bits: used ECC bits, currently supported 1 or 4. - -- nand-bus-width: buswidth 8 or 16. If not present 8. - -- nand-on-flash-bbt: use flash based bad block table support. OOB - identifier is saved in OOB area. If not present - false. - -Deprecated properties: - -- ti,davinci-ecc-mode: operation mode of the NAND ecc mode. ECC mode - valid values for davinci driver: - - "none" - - "soft" - - "hw" - -- ti,davinci-nand-buswidth: buswidth 8 or 16. If not present 8. - -- ti,davinci-nand-use-bbt: use flash based bad block table support. OOB - identifier is saved in OOB area. If not present - false. - -Nand device bindings may contain additional sub-nodes describing partitions of -the address space. See mtd.yaml for more detail. The NAND Flash timing -values must be programmed in the chip select’s node of AEMIF -memory-controller (see Documentation/devicetree/bindings/memory-controllers/ -davinci-aemif.txt). - -Example(da850 EVM ): - -nand_cs3@62000000 { - compatible = "ti,davinci-nand"; - reg = <0x62000000 0x807ff - 0x68000000 0x8000>; - ti,davinci-chipselect = <1>; - ti,davinci-mask-ale = <0>; - ti,davinci-mask-cle = <0>; - ti,davinci-mask-chipsel = <0>; - nand-ecc-mode = "hw"; - ti,davinci-ecc-bits = <4>; - nand-on-flash-bbt; - - partition@180000 { - label = "ubifs"; - reg = <0x180000 0x7e80000>; - }; -}; diff --git a/Documentation/devicetree/bindings/mtd/ti,davinci-nand.yaml b/Documentation/devicetree/bindings/mtd/ti,davinci-nand.yaml new file mode 100644 index 0000000000000000000000000000000000000000..fffdaa9bf85ac2ffb1b177bdc693c995d2a8ea20 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/ti,davinci-nand.yaml @@ -0,0 +1,134 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mtd/ti,davinci-nand.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: TI DaVinci NAND controller + +maintainers: + - Marcus Folkesson + +allOf: + - $ref: nand-controller.yaml + +properties: + compatible: + enum: + - ti,davinci-nand + - ti,keystone-nand + + reg: + items: + - description: + Access window. + - description: + AEMIF control registers + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + partitions: + $ref: /schemas/mtd/partitions/partitions.yaml + + ti,davinci-chipselect: + description: + Number of chipselect. Indicate on the davinci_nand driver which + chipselect is used for accessing the nand. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2, 3] + + ti,davinci-mask-ale: + description: + Mask for ALE. Needed for executing address phase. These offset will be + added to the base address for the chip select space the NAND Flash + device is connected to. + $ref: /schemas/types.yaml#/definitions/uint32 + default: 0x08 + + ti,davinci-mask-cle: + description: + Mask for CLE. Needed for executing command phase. These offset will be + added to the base address for the chip select space the NAND Flash device + is connected to. + $ref: /schemas/types.yaml#/definitions/uint32 + default: 0x10 + + ti,davinci-mask-chipsel: + description: + Mask for chipselect address. Needed to mask addresses for given + chipselect. + $ref: /schemas/types.yaml#/definitions/uint32 + default: 0 + + ti,davinci-ecc-bits: + description: Used ECC bits. + enum: [1, 4] + + ti,davinci-ecc-mode: + description: Operation mode of the NAND ECC mode. + $ref: /schemas/types.yaml#/definitions/string + enum: [none, soft, hw, on-die] + deprecated: true + + ti,davinci-nand-buswidth: + description: Bus width to the NAND chip + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [8, 16] + default: 8 + deprecated: true + + ti,davinci-nand-use-bbt: + type: boolean + description: + Use flash based bad block table support. OOB identifier is saved in OOB + area. + deprecated: true + +required: + - compatible + - reg + - "#address-cells" + - "#size-cells" + - ti,davinci-chipselect + +unevaluatedProperties: false + +examples: + - | + bus { + #address-cells = <2>; + #size-cells = <1>; + + nand-controller@2000000,0 { + compatible = "ti,davinci-nand"; + #address-cells = <1>; + #size-cells = <0>; + reg = <0 0x02000000 0x02000000 + 1 0x00000000 0x00008000>; + + ti,davinci-chipselect = <1>; + ti,davinci-mask-ale = <0>; + ti,davinci-mask-cle = <0>; + ti,davinci-mask-chipsel = <0>; + + ti,davinci-nand-buswidth = <16>; + ti,davinci-ecc-mode = "hw"; + ti,davinci-ecc-bits = <4>; + ti,davinci-nand-use-bbt; + + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + partition@0 { + label = "u-boot env"; + reg = <0 0x020000>; + }; + }; + }; + };