On Thu, Dec 09, 2021 at 10:42:13AM +0800, Chunfeng Yun wrote: > Convert mtk-efuse.txt to YAML schema mediatek,efuse.yaml > > Signed-off-by: Chunfeng Yun <chunfeng.yun@xxxxxxxxxxxx> > --- > .../bindings/nvmem/mediatek,efuse.yaml | 89 +++++++++++++++++++ > .../devicetree/bindings/nvmem/mtk-efuse.txt | 43 --------- > 2 files changed, 89 insertions(+), 43 deletions(-) > create mode 100644 Documentation/devicetree/bindings/nvmem/mediatek,efuse.yaml > delete mode 100644 Documentation/devicetree/bindings/nvmem/mtk-efuse.txt > > diff --git a/Documentation/devicetree/bindings/nvmem/mediatek,efuse.yaml b/Documentation/devicetree/bindings/nvmem/mediatek,efuse.yaml > new file mode 100644 > index 000000000000..7332195e7f00 > --- /dev/null > +++ b/Documentation/devicetree/bindings/nvmem/mediatek,efuse.yaml > @@ -0,0 +1,89 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/nvmem/mediatek,efuse.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: MediaTek efuse device tree bindings > + > +description: | > + MediaTek's efuse is used for storing calibration data, it can be accessed > + on ARM devices usiong I/O mapped memory. > + > +maintainers: > + - Andrew-CT Chen <andrew-ct.chen@xxxxxxxxxxxx> > + > +allOf: > + - $ref: "nvmem.yaml#" > + > +properties: > + $nodename: > + pattern: "^efuse@[0-9a-f]+$" > + > + compatible: > + oneOf: > + - items: > + - enum: > + - mediatek,mt7622-efuse > + - mediatek,mt7623-efuse > + - mediatek,mt8173-efuse > + - mediatek,mt8192-efuse > + - mediatek,mt8195-efuse > + - mediatek,mt8516-efuse > + - const: mediatek,efuse > + - const: mediatek,mt8173-efuse > + deprecated: true > + > + reg: > + maxItems: 1 > + All of: > + "#address-cells": > + const: 1 > + > + "#size-cells": > + const: 1 > + > +patternProperties: > + "^.*@[0-9a-f]+$": > + type: object > + > + properties: > + reg: > + maxItems: 1 > + > + bits: > + maxItems: 1 > + > + required: > + - reg > + > + additionalProperties: false ...this is covered by nvmem.yaml and can be dropped. > + > +required: > + - compatible > + - reg > + > +unevaluatedProperties: false > + > +examples: > + - | > + efuse@10206000 { > + compatible = "mediatek,mt8173-efuse"; > + reg = <0x10206000 0x1000>; > + #address-cells = <1>; > + #size-cells = <1>; > + > + u2_intr_p0: usb2-intr-p0@188 { > + reg = <0x188 0x1>; > + bits = <0 5>; > + }; > + > + u2_intr_p1: usb2-intr-p1@188 { > + reg = <0x188 0x2>; > + bits = <5 5>; > + }; > + > + thermal_calibration: calib@528 { > + reg = <0x528 0xc>; > + }; > + }; > diff --git a/Documentation/devicetree/bindings/nvmem/mtk-efuse.txt b/Documentation/devicetree/bindings/nvmem/mtk-efuse.txt > deleted file mode 100644 > index 39d529599444..000000000000 > --- a/Documentation/devicetree/bindings/nvmem/mtk-efuse.txt > +++ /dev/null > @@ -1,43 +0,0 @@ > -= Mediatek MTK-EFUSE device tree bindings = > - > -This binding is intended to represent MTK-EFUSE which is found in most Mediatek SOCs. > - > -Required properties: > -- compatible: should be > - "mediatek,mt7622-efuse", "mediatek,efuse": for MT7622 > - "mediatek,mt7623-efuse", "mediatek,efuse": for MT7623 > - "mediatek,mt8173-efuse" or "mediatek,efuse": for MT8173 > - "mediatek,mt8192-efuse", "mediatek,efuse": for MT8192 > - "mediatek,mt8195-efuse", "mediatek,efuse": for MT8195 > - "mediatek,mt8516-efuse", "mediatek,efuse": for MT8516 > -- reg: Should contain registers location and length > -- bits: contain the bits range by offset and size > - > -= Data cells = > -Are child nodes of MTK-EFUSE, bindings of which as described in > -bindings/nvmem/nvmem.txt > - > -Example: > - > - efuse: efuse@10206000 { > - compatible = "mediatek,mt8173-efuse"; > - reg = <0 0x10206000 0 0x1000>; > - #address-cells = <1>; > - #size-cells = <1>; > - > - /* Data cells */ > - thermal_calibration: calib@528 { > - reg = <0x528 0xc>; > - }; > - }; > - > -= Data consumers = > -Are device nodes which consume nvmem data cells. > - > -For example: > - > - thermal { > - ... > - nvmem-cells = <&thermal_calibration>; > - nvmem-cell-names = "calibration"; > - }; > -- > 2.18.0 > >
