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Message-ID: <20220907080405.28240-5-liang.yang@amlogic.com>
Date: Wed, 7 Sep 2022 16:04:04 +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 v9 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 | 93 +++++++++++++++++++
2 files changed, 93 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..28fb9a7dd70f
--- /dev/null
+++ b/Documentation/devicetree/bindings/mtd/amlogic,meson-nand.yaml
@@ -0,0 +1,93 @@
+# 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:
+ - $ref: nand-controller.yaml
+
+maintainers:
+ - liang.yang@...ogic.com
+
+properties:
+ compatible:
+ enum:
+ - amlogic,meson-gxl-nfc
+ - amlogic,meson-axg-nfc
+
+ reg:
+ maxItems: 2
+
+ reg-names:
+ items:
+ - const: nfc
+ - const: emmc
+
+ interrupts:
+ maxItems: 1
+
+ clocks:
+ minItems: 2
+
+ clock-names:
+ items:
+ - const: core
+ - const: device
+
+patternProperties:
+ "^nand@[0-7]$":
+ 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>;
+ };
+ };
+
+...
--
2.37.1
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