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Date: Fri, 28 Jan 2022 19:32:37 +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> Subject: [PATCH v2 2/2] dt-bindings: nand: meson: refine Amlogic NAND controller driver convert txt to yaml and refine the meson NFC clock document. Signed-off-by: Liang Yang <liang.yang@...ogic.com> --- .../bindings/mtd/amlogic,meson-nand.txt | 60 ---------------- .../bindings/mtd/amlogic,meson-nand.yaml | 70 +++++++++++++++++++ 2 files changed, 70 insertions(+), 60 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 5794ab1147c1..000000000000 --- a/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.txt +++ /dev/null @@ -1,60 +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" -- 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" - device clock from eMMC sub clock controller - "rx" - rx clock phase - "tx" - tx clock phase - -- amlogic,mmc-syscon : Required for NAND clocks, it's shared with SD/eMMC - controller port C - -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: - - sd_emmc_c_clkc: mmc@...0 { - compatible = "amlogic,meson-axg-mmc-clkc", "syscon"; - reg = <0x0 0x7000 0x0 0x800>; - }; - - nand-controller@...0 { - compatible = "amlogic,meson-axg-nfc"; - reg = <0x0 0x7800 0x0 0x100>; - #address-cells = <1>; - #size-cells = <0>; - interrupts = <GIC_SPI 34 IRQ_TYPE_EDGE_RISING>; - - clocks = <&clkc CLKID_SD_EMMC_C>, - <&sd_emmc_c_clkc CLKID_MMC_DIV>, - <&sd_emmc_c_clkc CLKID_MMC_PHASE_RX>, - <&sd_emmc_c_clkc CLKID_MMC_PHASE_TX>; - clock-names = "core", "device", "rx", "tx"; - amlogic,mmc-syscon = <&sd_emmc_c_clkc>; - - 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..671f0a8fdc7c --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml @@ -0,0 +1,70 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/amlogic,mmc-clkc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Amlogic NAND Flash Controller (NFC) for GXBB/GXL/AXG family SoCs + +maintainers: + - liang.yang@...ogic.com + +properties: + compatible: + enum: + - "amlogic,meson-gxl-nfc" + - "amlogic,meson-axg-nfc" + + reg: + maxItems: 2 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 2 + + clock-names: + items: + - const: "core", "device" + + "#clock-cells": + const: 1 + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - "#clock-cells" + +additionalProperties: false + +examples: + - | + nand-controller@...0 { + compatible = "amlogic,meson-axg-nfc"; + reg = <0x0 0x7800 0x0 0x100>, + <0x0 0x7000 0x0 0x1>; + #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; + }; + }; + +... \ No newline at end of file -- 2.34.1
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