| Message ID | 1531983117-9443-2-git-send-email-hayashibara.keiji@socionext.com |
|---|---|
| State | New |
| Headers | show |
| Series | add SPI controller driver for UniPhier SoCs | expand |
On Thu, Jul 19, 2018 at 03:51:56PM +0900, Keiji Hayashibara wrote: > From: Kunihiko Hayashi <hayashi.kunihiko@socionext.com> > > Add DT bindings for SPI controller implemented in UniPhier SoCs. > > Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com> > Signed-off-by: Keiji Hayashibara <hayashibara.keiji@socionext.com> > --- > .../devicetree/bindings/spi/spi-uniphier.txt | 26 ++++++++++++++++++++++ > 1 file changed, 26 insertions(+) > create mode 100644 Documentation/devicetree/bindings/spi/spi-uniphier.txt Reviewed-by: Rob Herring <robh@kernel.org> -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/Documentation/devicetree/bindings/spi/spi-uniphier.txt b/Documentation/devicetree/bindings/spi/spi-uniphier.txt new file mode 100644 index 0000000..9c8c4a1 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi-uniphier.txt @@ -0,0 +1,26 @@ +Socionext UniPhier SPI controller driver + +UniPhier SoCs have two types of SPI controllers; SCSSI supports a +single channel, and MCSSI supports multiple channels. +Both of them support the SPI master mode only. + +Required properties: + - compatible: should be + "socionext,uniphier-scssi" - for SCSSI device + "socionext,uniphier-mcssi" - for MCSSI device + - reg: address and length of the spi master registers + - #address-cells: must be <1>, see spi-bus.txt + - #size-cells: must be <0>, see spi-bus.txt + - clocks: A phandle to the clock for the device. + - resets: A phandle to the reset control for the device. + +Example: + +spi0: spi@54006000 { + compatible = "socionext,uniphier-scssi"; + reg = <0x54006000 0x100>; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&peri_clk 11>; + resets = <&peri_rst 11>; +};