diff options
Diffstat (limited to 'target/linux/ramips/patches-5.4/0301-dt-bindings-add-documentation-for-mt7621-nand-driver.patch')
| -rw-r--r-- | target/linux/ramips/patches-5.4/0301-dt-bindings-add-documentation-for-mt7621-nand-driver.patch | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/target/linux/ramips/patches-5.4/0301-dt-bindings-add-documentation-for-mt7621-nand-driver.patch b/target/linux/ramips/patches-5.4/0301-dt-bindings-add-documentation-for-mt7621-nand-driver.patch new file mode 100644 index 0000000000..3d122c10c0 --- /dev/null +++ b/target/linux/ramips/patches-5.4/0301-dt-bindings-add-documentation-for-mt7621-nand-driver.patch @@ -0,0 +1,85 @@ +From 3d5f4da8296b23eb3abf8b13122b0d06a215e79c Mon Sep 17 00:00:00 2001 +From: Weijie Gao <weijie.gao@mediatek.com> +Date: Wed, 1 Apr 2020 02:07:59 +0800 +Subject: [PATCH 2/2] dt-bindings: add documentation for mt7621-nand driver + +This patch adds documentation for MediaTek MT7621 NAND flash controller +driver. + +Signed-off-by: Weijie Gao <weijie.gao@mediatek.com> +--- + .../bindings/mtd/mediatek,mt7621-nfc.yaml | 68 ++++++++++++++++++++++ + 1 file changed, 68 insertions(+) + create mode 100644 Documentation/devicetree/bindings/mtd/mediatek,mt7621-nfc.yaml + +--- /dev/null ++++ b/Documentation/devicetree/bindings/mtd/mediatek,mt7621-nfc.yaml +@@ -0,0 +1,68 @@ ++# SPDX-License-Identifier: GPL-2.0 ++%YAML 1.2 ++--- ++$id: http://devicetree.org/schemas/mtd/mediatek,mt7621-nfc.yaml# ++$schema: http://devicetree.org/meta-schemas/core.yaml# ++ ++title: MediaTek MT7621 SoC NAND Flash Controller (NFC) DT binding ++ ++maintainers: ++ - Weijie Gao <weijie.gao@mediatek.com> ++ ++description: | ++ This driver uses a single node to describe both NAND Flash controller ++ interface (NFI) and ECC engine for MT7621 SoC. ++ MT7621 supports only one chip select. ++ ++properties: ++ "#address-cells": false ++ "#size-cells": false ++ ++ compatible: ++ enum: ++ - mediatek,mt7621-nfc ++ ++ reg: ++ items: ++ - description: Register base of NFI core ++ - description: Register base of ECC engine ++ ++ reg-names: ++ items: ++ - const: nfi ++ - const: ecc ++ ++ clocks: ++ items: ++ - description: Source clock for NFI core, fixed 125MHz ++ ++ clock-names: ++ items: ++ - const: nfi_clk ++ ++required: ++ - compatible ++ - reg ++ - reg-names ++ - clocks ++ - clock-names ++ ++examples: ++ - | ++ nficlock: nficlock { ++ #clock-cells = <0>; ++ compatible = "fixed-clock"; ++ ++ clock-frequency = <125000000>; ++ }; ++ ++ nand@1e003000 { ++ compatible = "mediatek,mt7621-nfc"; ++ ++ reg = <0x1e003000 0x800 ++ 0x1e003800 0x800>; ++ reg-names = "nfi", "ecc"; ++ ++ clocks = <&nficlock>; ++ clock-names = "nfi_clk"; ++ }; |