linux/Documentation/devicetree/bindings/spi/spi-mt7621.txt
Stefan Roese cbd66c626e
spi: mt7621: Move SPI driver out of staging
This patch moves the MT7621 SPI driver, which is used on some Ralink /
MediaTek MT76xx MIPS SoC's, out of the staging directory. No changes to
the source code are done in this patch.

This driver version was tested successfully on an MT7688 based platform
with an SPI NOR on CS0 and an SPI NAND on CS1 without any issues (so
far).

This patch also documents the devicetree bindings for the MT7621 SPI
device driver.

Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Rob Herring <robh@kernel.org>
Cc: Mark Brown <broonie@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: NeilBrown <neil@brown.name>
Cc: Sankalp Negi <sankalpnegi2310@gmail.com>
Cc: Chuanhong Guo <gch981213@gmail.com>
Cc: John Crispin <john@phrozen.org>
Cc: Armando Miraglia <arma2ff0@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
2019-03-25 12:13:34 +00:00

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Binding for MTK SPI controller (MT7621 MIPS)
Required properties:
- compatible: Should be one of the following:
- "ralink,mt7621-spi": for mt7621/mt7628/mt7688 platforms
- #address-cells: should be 1.
- #size-cells: should be 0.
- reg: Address and length of the register set for the device
- resets: phandle to the reset controller asserting this device in
reset
See ../reset/reset.txt for details.
Optional properties:
- cs-gpios: see spi-bus.txt.
Example:
- SoC Specific Portion:
spi0: spi@b00 {
compatible = "ralink,mt7621-spi";
reg = <0xb00 0x100>;
#address-cells = <1>;
#size-cells = <0>;
resets = <&rstctrl 18>;
reset-names = "spi";
};