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Date: Mon, 5 Sep 2022 15:50:27 +0800 From: Liang Yang <liang.yang@...ogic.com> To: Miquel Raynal <miquel.raynal@...tlin.com>, <linux-mtd@...ts.infradead.org> CC: Liang Yang <liang.yang@...ogic.com>, Rob Herring <robh+dt@...nel.org>, Richard Weinberger <richard@....at>, Vignesh Raghavendra <vigneshr@...com>, Jerome Brunet <jbrunet@...libre.com>, Neil Armstrong <narmstrong@...libre.com>, Martin Blumenstingl <martin.blumenstingl@...glemail.com>, Kevin Hilman <khilman@...libre.com>, Jianxin Pan <jianxin.pan@...ogic.com>, Victor Wan <victor.wan@...ogic.com>, XianWei Zhao <xianwei.zhao@...ogic.com>, Kelvin Zhang <kelvin.zhang@...ogic.com>, BiChao Zheng <bichao.zheng@...ogic.com>, YongHui Yu <yonghui.yu@...ogic.com>, <linux-arm-kernel@...ts.infradead.org>, <linux-amlogic@...ts.infradead.org>, <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org> Subject: [PATCH RESEND v8 4/5] dt-bindings: nand: meson: convert txt to yaml convert the amlogic,meson-name.txt to amlogic,meson-nand.yaml Signed-off-by: Liang Yang <liang.yang@...ogic.com> --- .../bindings/mtd/amlogic,meson-nand.txt | 55 ------------ .../bindings/mtd/amlogic,meson-nand.yaml | 88 +++++++++++++++++++ 2 files changed, 88 insertions(+), 55 deletions(-) delete mode 100644 Documentation/devicetree/bindings/mtd/amlogic,meson-nand.txt create mode 100644 Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml diff --git a/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.txt b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.txt deleted file mode 100644 index 5d5cdfef417f..000000000000 --- a/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.txt +++ /dev/null @@ -1,55 +0,0 @@ -Amlogic NAND Flash Controller (NFC) for GXBB/GXL/AXG family SoCs - -This file documents the properties in addition to those available in -the MTD NAND bindings. - -Required properties: -- compatible : contains one of: - - "amlogic,meson-gxl-nfc" - - "amlogic,meson-axg-nfc" - -- reg : Offset and length of the register set - -- reg-names : "nfc" is the register set for NFC controller and "emmc" - is the register set for MCI controller. - -- clocks : - A list of phandle + clock-specifier pairs for the clocks listed - in clock-names. - -- clock-names: Should contain the following: - "core" - NFC module gate clock - "device" - parent clock for internal NFC - -Optional children nodes: -Children nodes represent the available nand chips. - -Other properties: -see Documentation/devicetree/bindings/mtd/nand-controller.yaml for generic bindings. - -Example demonstrate on AXG SoC: - - nand-controller@...0 { - compatible = "amlogic,meson-axg-nfc"; - reg = <0x0 0x7800 0x0 0x100>, - <0x0 0x7000 0x0 0x800>; - reg-names = "nfc", "emmc"; - #address-cells = <1>; - #size-cells = <0>; - interrupts = <GIC_SPI 34 IRQ_TYPE_EDGE_RISING>; - - clocks = <&clkc CLKID_SD_EMMC_C>, - <&clkc CLKID_FCLK_DIV2>; - clock-names = "core", "device"; - - pinctrl-names = "default"; - pinctrl-0 = <&nand_pins>; - - nand@0 { - reg = <0>; - #address-cells = <1>; - #size-cells = <1>; - - nand-on-flash-bbt; - }; - }; diff --git a/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml new file mode 100644 index 000000000000..42634e9c0d3c --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml @@ -0,0 +1,88 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mtd/amlogic,meson-nand.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Amlogic NAND Flash Controller (NFC) for GXBB/GXL/AXG family SoCs + +allOf: + - $ref: "nand-controller.yaml" + +maintainers: + - liang.yang@...ogic.com + +properties: + compatible: + enum: + - "amlogic,meson-gxl-nfc" + - "amlogic,meson-axg-nfc" + + reg: + maxItems: 2 + + interrupts: + maxItems: 1 + + clocks: + minItems: 2 + + clock-names: + items: + - const: core + - const: device + +patternProperties: + "^nand@[0-7]$": + type: object + properties: + reg: + minimum: 0 + maximum: 1 + + nand-ecc-mode: + const: hw + + nand-ecc-step-size: + const: 1024 + + nand-ecc-strength: + enum: [8, 16, 24, 30, 40, 50, 60] + description: | + The ECC configurations that can be supported are as follows. + meson-gxl-nfc 8, 16, 24, 30, 40, 50, 60 + meson-axg-nfc 8 + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/axg-clkc.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + nand-controller@...07800 { + compatible = "amlogic,meson-axg-nfc"; + reg = <0xffe07800 0x100>, <0xffe07000 0x800>; + reg-names = "nfc", "emmc"; + interrupts = <GIC_SPI 34 IRQ_TYPE_EDGE_RISING>; + clocks = <&clkc CLKID_SD_EMMC_C>, <&clkc CLKID_FCLK_DIV2>; + clock-names = "core", "device"; + + pinctrl-0 = <&nand_pins>; + pinctrl-names = "default"; + + #address-cells = <1>; + #size-cells = <0>; + + nand@0 { + reg = <0>; + }; + }; + +... -- 2.34.1
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