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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/mtd/gpmc-onenand.txt | |
parent | Initial commit. (diff) | |
download | linux-430c2fc249ea5c0536abd21c23382884005c9093.tar.xz linux-430c2fc249ea5c0536abd21c23382884005c9093.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/mtd/gpmc-onenand.txt')
-rw-r--r-- | Documentation/devicetree/bindings/mtd/gpmc-onenand.txt | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mtd/gpmc-onenand.txt b/Documentation/devicetree/bindings/mtd/gpmc-onenand.txt new file mode 100644 index 000000000..e9f01a963 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/gpmc-onenand.txt @@ -0,0 +1,48 @@ +Device tree bindings for GPMC connected OneNANDs + +GPMC connected OneNAND (found on OMAP boards) are represented as child nodes of +the GPMC controller with a name of "onenand". + +All timing relevant properties as well as generic gpmc child properties are +explained in a separate documents - please refer to +Documentation/devicetree/bindings/memory-controllers/omap-gpmc.txt + +Required properties: + + - compatible: "ti,omap2-onenand" + - reg: The CS line the peripheral is connected to + - gpmc,device-width: Width of the ONENAND device connected to the GPMC + in bytes. Must be 1 or 2. + +Optional properties: + + - int-gpios: GPIO specifier for the INT pin. + +For inline partition table parsing (optional): + + - #address-cells: should be set to 1 + - #size-cells: should be set to 1 + +Example for an OMAP3430 board: + + gpmc: gpmc@6e000000 { + compatible = "ti,omap3430-gpmc"; + ti,hwmods = "gpmc"; + reg = <0x6e000000 0x1000000>; + interrupts = <20>; + gpmc,num-cs = <8>; + gpmc,num-waitpins = <4>; + #address-cells = <2>; + #size-cells = <1>; + + onenand@0 { + compatible = "ti,omap2-onenand"; + reg = <0 0 0>; /* CS0, offset 0 */ + gpmc,device-width = <2>; + + #address-cells = <1>; + #size-cells = <1>; + + /* partitions go here */ + }; + }; |