dt-bindings: nvmem: convert mtk-efuse.txt to YAML schema
Convert mtk-efuse.txt to YAML schema mediatek,efuse.yaml Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20220706100627.6534-5-srinivas.kandagatla@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Documentation/devicetree/bindings/nvmem/mediatek,efuse.yaml
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Documentation/devicetree/bindings/nvmem/mediatek,efuse.yaml
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# 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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$id: http://devicetree.org/schemas/nvmem/mediatek,efuse.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: MediaTek efuse
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description: |
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MediaTek's efuse is used for storing calibration data, it can be accessed
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on ARM devices usiong I/O mapped memory.
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maintainers:
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- Andrew-CT Chen <andrew-ct.chen@mediatek.com>
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- Lala Lin <lala.lin@mediatek.com>
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allOf:
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- $ref: "nvmem.yaml#"
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properties:
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$nodename:
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pattern: "^efuse@[0-9a-f]+$"
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compatible:
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oneOf:
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- items:
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- enum:
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- mediatek,mt7622-efuse
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- mediatek,mt7623-efuse
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- mediatek,mt8173-efuse
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- mediatek,mt8192-efuse
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- mediatek,mt8195-efuse
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- mediatek,mt8516-efuse
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- const: mediatek,efuse
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- const: mediatek,mt8173-efuse
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deprecated: true
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reg:
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maxItems: 1
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required:
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- compatible
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- reg
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unevaluatedProperties: false
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examples:
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- |
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efuse@11c10000 {
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compatible = "mediatek,mt8195-efuse", "mediatek,efuse";
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reg = <0x11c10000 0x1000>;
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#address-cells = <1>;
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#size-cells = <1>;
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u3_tx_imp_p0: usb3-tx-imp@184,1 {
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reg = <0x184 0x1>;
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bits = <0 5>;
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};
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u3_rx_imp_p0: usb3-rx-imp@184,2 {
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reg = <0x184 0x2>;
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bits = <5 5>;
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};
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u3_intr_p0: usb3-intr@185 {
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reg = <0x185 0x1>;
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bits = <2 6>;
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};
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comb_tx_imp_p1: usb3-tx-imp@186,1 {
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reg = <0x186 0x1>;
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bits = <0 5>;
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};
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comb_rx_imp_p1: usb3-rx-imp@186,2 {
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reg = <0x186 0x2>;
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bits = <5 5>;
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};
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comb_intr_p1: usb3-intr@187 {
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reg = <0x187 0x1>;
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bits = <2 6>;
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};
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u2_intr_p0: usb2-intr-p0@188,1 {
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reg = <0x188 0x1>;
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bits = <0 5>;
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};
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u2_intr_p1: usb2-intr-p1@188,2 {
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reg = <0x188 0x2>;
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bits = <5 5>;
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};
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};
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= Mediatek MTK-EFUSE device tree bindings =
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This binding is intended to represent MTK-EFUSE which is found in most Mediatek SOCs.
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Required properties:
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- compatible: should be
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"mediatek,mt7622-efuse", "mediatek,efuse": for MT7622
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"mediatek,mt7623-efuse", "mediatek,efuse": for MT7623
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"mediatek,mt8173-efuse" or "mediatek,efuse": for MT8173
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"mediatek,mt8192-efuse", "mediatek,efuse": for MT8192
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"mediatek,mt8195-efuse", "mediatek,efuse": for MT8195
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"mediatek,mt8516-efuse", "mediatek,efuse": for MT8516
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- reg: Should contain registers location and length
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- bits: contain the bits range by offset and size
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= Data cells =
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Are child nodes of MTK-EFUSE, bindings of which as described in
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bindings/nvmem/nvmem.txt
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Example:
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efuse: efuse@10206000 {
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compatible = "mediatek,mt8173-efuse";
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reg = <0 0x10206000 0 0x1000>;
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#address-cells = <1>;
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#size-cells = <1>;
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/* Data cells */
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thermal_calibration: calib@528 {
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reg = <0x528 0xc>;
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};
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};
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= Data consumers =
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Are device nodes which consume nvmem data cells.
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For example:
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thermal {
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...
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nvmem-cells = <&thermal_calibration>;
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nvmem-cell-names = "calibration";
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};
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