diff options
Diffstat (limited to 'Documentation')
4 files changed, 72 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/mtd/arasan,nand-controller.yaml b/Documentation/devicetree/bindings/mtd/arasan,nand-controller.yaml new file mode 100644 index 000000000000..db8f115a13ec --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/arasan,nand-controller.yaml @@ -0,0 +1,63 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mtd/arasan,nand-controller.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Arasan NAND Flash Controller with ONFI 3.1 support device tree bindings + +allOf: + - $ref: "nand-controller.yaml" + +maintainers: + - Naga Sureshkumar Relli <naga.sureshkumar.relli@xilinx.com> + +properties: + compatible: + oneOf: + - items: + - enum: + - xlnx,zynqmp-nand-controller + - enum: + - arasan,nfc-v3p10 + + reg: + maxItems: 1 + + clocks: + items: + - description: Controller clock + - description: NAND bus clock + + clock-names: + items: + - const: controller + - const: bus + + interrupts: + maxItems: 1 + + "#address-cells": true + "#size-cells": true + +required: + - compatible + - reg + - clocks + - clock-names + - interrupts + +additionalProperties: true + +examples: + - | + nfc: nand-controller@ff100000 { + compatible = "xlnx,zynqmp-nand-controller", "arasan,nfc-v3p10"; + reg = <0x0 0xff100000 0x0 0x1000>; + clock-names = "controller", "bus"; + clocks = <&clk200>, <&clk100>; + interrupt-parent = <&gic>; + interrupts = <0 14 4>; + #address-cells = <1>; + #size-cells = <0>; + }; diff --git a/Documentation/devicetree/bindings/mtd/brcm,brcmnand.txt b/Documentation/devicetree/bindings/mtd/brcm,brcmnand.txt index 05651a654c66..44335a4f8bfb 100644 --- a/Documentation/devicetree/bindings/mtd/brcm,brcmnand.txt +++ b/Documentation/devicetree/bindings/mtd/brcm,brcmnand.txt @@ -20,6 +20,8 @@ Required properties: "brcm,brcmnand" and an appropriate version compatibility string, like "brcm,brcmnand-v7.0" Possible values: + brcm,brcmnand-v2.1 + brcm,brcmnand-v2.2 brcm,brcmnand-v4.0 brcm,brcmnand-v5.0 brcm,brcmnand-v6.0 diff --git a/Documentation/devicetree/bindings/mtd/partition.txt b/Documentation/devicetree/bindings/mtd/partition.txt index afbbd870496d..4a39698221a2 100644 --- a/Documentation/devicetree/bindings/mtd/partition.txt +++ b/Documentation/devicetree/bindings/mtd/partition.txt @@ -61,6 +61,9 @@ Optional properties: clobbered. - lock : Do not unlock the partition at initialization time (not supported on all devices) +- slc-mode: This parameter, if present, allows one to emulate SLC mode on a + partition attached to an MLC NAND thus making this partition immune to + paired-pages corruptions Examples: diff --git a/Documentation/driver-api/mtdnand.rst b/Documentation/driver-api/mtdnand.rst index 55447659b81f..0bf8d6ec3f54 100644 --- a/Documentation/driver-api/mtdnand.rst +++ b/Documentation/driver-api/mtdnand.rst @@ -276,8 +276,10 @@ unregisters the partitions in the MTD layer. #ifdef MODULE static void __exit board_cleanup (void) { - /* Release resources, unregister device */ - nand_release (mtd_to_nand(board_mtd)); + /* Unregister device */ + WARN_ON(mtd_device_unregister(board_mtd)); + /* Release resources */ + nand_cleanup(mtd_to_nand(board_mtd)); /* unmap physical address */ iounmap(baseaddr); |