From abef60363d8ecac66e45853f328afa8eeb9e00fd Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Tue, 23 Jun 2020 12:14:59 +0200 Subject: dts: update to v5.8-rc1 Signed-off-by: Sascha Hauer --- dts/Bindings/mtd/ingenic,jz4780-nand.txt | 92 -------------------------------- 1 file changed, 92 deletions(-) delete mode 100644 dts/Bindings/mtd/ingenic,jz4780-nand.txt (limited to 'dts/Bindings/mtd/ingenic,jz4780-nand.txt') diff --git a/dts/Bindings/mtd/ingenic,jz4780-nand.txt b/dts/Bindings/mtd/ingenic,jz4780-nand.txt deleted file mode 100644 index c022593533..0000000000 --- a/dts/Bindings/mtd/ingenic,jz4780-nand.txt +++ /dev/null @@ -1,92 +0,0 @@ -* Ingenic JZ4780 NAND/ECC - -This file documents the device tree bindings for NAND flash devices on the -JZ4780. NAND devices are connected to the NEMC controller (described in -memory-controllers/ingenic,jz4780-nemc.txt), and thus NAND device nodes must -be children of the NEMC node. - -Required NAND controller device properties: -- compatible: Should be one of: - * ingenic,jz4740-nand - * ingenic,jz4725b-nand - * ingenic,jz4780-nand -- reg: For each bank with a NAND chip attached, should specify a bank number, - an offset of 0 and a size of 0x1000000 (i.e. the whole NEMC bank). - -Optional NAND controller device properties: -- ecc-engine: To make use of the hardware ECC controller, this - property must contain a phandle for the ECC controller node. The required - properties for this node are described below. If this is not specified, - software ECC will be used instead. - -Optional children nodes: -- Individual NAND chips are children of the NAND controller node. - -Required children node properties: -- reg: An integer ranging from 1 to 6 representing the CS line to use. - -Optional children node properties: -- nand-ecc-step-size: ECC block size in bytes. -- nand-ecc-strength: ECC strength (max number of correctable bits). -- nand-ecc-mode: String, operation mode of the NAND ecc mode. "hw" by default -- nand-on-flash-bbt: boolean to enable on flash bbt option, if not present false -- rb-gpios: GPIO specifier for the busy pin. -- wp-gpios: GPIO specifier for the write protect pin. - -Optional child node of NAND chip nodes: -- partitions: see Documentation/devicetree/bindings/mtd/partition.txt - -Example: - -nemc: nemc@13410000 { - ... - - nandc: nand-controller@1 { - compatible = "ingenic,jz4780-nand"; - reg = <1 0 0x1000000>; /* Bank 1 */ - - #address-cells = <1>; - #size-cells = <0>; - - ecc-engine = <&bch>; - - nand@1 { - reg = <1>; - - nand-ecc-step-size = <1024>; - nand-ecc-strength = <24>; - nand-ecc-mode = "hw"; - nand-on-flash-bbt; - - rb-gpios = <&gpa 20 GPIO_ACTIVE_LOW>; - wp-gpios = <&gpf 22 GPIO_ACTIVE_LOW>; - - partitions { - #address-cells = <2>; - #size-cells = <2>; - ... - } - }; - }; -}; - -The ECC controller is a separate SoC component used for error correction on -NAND devices. The following is a description of the device properties for a -ECC controller. - -Required ECC properties: -- compatible: Should be one of: - * ingenic,jz4740-ecc - * ingenic,jz4725b-bch - * ingenic,jz4780-bch -- reg: Should specify the ECC controller registers location and length. -- clocks: Clock for the ECC controller. - -Example: - -bch: bch@134d0000 { - compatible = "ingenic,jz4780-bch"; - reg = <0x134d0000 0x10000>; - - clocks = <&cgu JZ4780_CLK_BCH>; -}; -- cgit v1.2.3