diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /Documentation/devicetree/bindings/mtd/flctl-nand.txt | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/mtd/flctl-nand.txt')
-rw-r--r-- | Documentation/devicetree/bindings/mtd/flctl-nand.txt | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mtd/flctl-nand.txt b/Documentation/devicetree/bindings/mtd/flctl-nand.txt new file mode 100644 index 000000000..427f46dc6 --- /dev/null +++ b/Documentation/devicetree/bindings/mtd/flctl-nand.txt @@ -0,0 +1,49 @@ +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 partition.txt 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>; + }; + }; |