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cubelinux-kernel/Documentation/devicetree/bindings/mtd/flctl-nand.txt
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Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

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FLCTL NAND controller
Required properties:
- compatible : "renesas,shmobile-flctl-sh7372"
- reg : Address range of the FLCTL
- interrupts : flste IRQ number
- nand-bus-width : bus width to NAND chip
Optional properties:
- dmas: DMA specifier(s)
- dma-names: name for each DMA specifier. Valid names are
"data_tx", "data_rx", "ecc_tx", "ecc_rx"
The DMA fields are not used yet in the driver but are listed here for
completing the bindings.
The device tree may optionally contain sub-nodes describing partitions of the
address space. See mtd.yaml for more detail.
Example:
flctl@e6a30000 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "renesas,shmobile-flctl-sh7372";
reg = <0xe6a30000 0x100>;
interrupts = <0x0d80>;
nand-bus-width = <16>;
dmas = <&dmac 1 /* data_tx */
&dmac 2;> /* data_rx */
dma-names = "data_tx", "data_rx";
system@0 {
label = "system";
reg = <0x0 0x8000000>;
};
userdata@8000000 {
label = "userdata";
reg = <0x8000000 0x10000000>;
};
cache@18000000 {
label = "cache";
reg = <0x18000000 0x8000000>;
};
};