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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/mtd/ti,gpmc-onenand.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: OneNAND over Texas Instruments GPMC bus.
maintainers:
- Tony Lindgren <tony@atomide.com>
- Roger Quadros <rogerq@kernel.org>
description:
GPMC connected OneNAND (found on OMAP boards) are represented
as child nodes of the GPMC controller.
properties:
$nodename:
pattern: "^onenand@[0-9],[0,9]$"
compatible:
const: ti,omap2-onenand
reg:
items:
- description: |
Chip Select number, register offset and size of
OneNAND register window.
"#address-cells": true
"#size-cells": true
int-gpios:
description: GPIO specifier for the INT pin.
patternProperties:
"@[0-9a-f]+$":
$ref: "/schemas/mtd/partitions/partition.yaml"
allOf:
- $ref: "/schemas/memory-controllers/ti,gpmc-child.yaml"
required:
- compatible
- reg
- "#address-cells"
- "#size-cells"
unevaluatedProperties: false
examples:
- |
gpmc: memory-controller@6e000000 {
compatible = "ti,omap3430-gpmc";
reg = <0x6e000000 0x02d0>;
interrupts = <20>;
gpmc,num-cs = <8>;
gpmc,num-waitpins = <4>;
clocks = <&l3s_clkctrl>;
clock-names = "fck";
#address-cells = <2>;
#size-cells = <1>;
ranges = <0 0 0x01000000 0x01000000>, /* 16 MB for OneNAND */
<1 0 0x02000000 0x01000000>; /* 16 MB for smc91c96 */
onenand@0,0 {
compatible = "ti,omap2-onenand";
reg = <0 0 0x20000>; /* CS0, offset 0, IO size 128K */
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "bootloader";
reg = <0x00000000 0x00100000>;
};
partition@100000 {
label = "config";
reg = <0x00100000 0x002c0000>;
};
};
};
|
