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MIPS: jz4780: DTS: Probe the spi-gpio driver from devicetree 

Make use of the spi-gpio driver to provide SPI support on the Ingenic
JZ4780 SoC using the pins that can be used with the SSI0 device as
GPIOs, until such time as we have support for the Ingenic SPI/SSI
controller.

[paul.burton@mips.com: Rewrite commit message.]

Signed-off-by: Mathieu Malaterre <malat@debian.org>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Patchwork: https://patchwork.linux-mips.org/patch/19489/
Cc: James Hogan <jhogan@kernel.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: devicetree@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
This commit is contained in:
Mathieu Malaterre 2018-06-06 21:37:30 +02:00 committed by Paul Burton
parent 2e90396ad9
commit c24f5762d3
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1 changed files with 19 additions and 0 deletions
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19
arch/mips/boot/dts/ingenic/jz4780.dtsi
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@ -155,6 +155,25 @@
};
};
spi_gpio {
compatible = "spi-gpio";
#address-cells = <1>;
#size-cells = <0>;
num-chipselects = <2>;
gpio-miso = <&gpe 14 0>;
gpio-sck = <&gpe 15 0>;
gpio-mosi = <&gpe 17 0>;
cs-gpios = <&gpe 16 0
&gpe 18 0>;
spidev@0 {
compatible = "spidev";
reg = <0>;
spi-max-frequency = <1000000>;
};
};
uart0: serial@10030000 {
compatible = "ingenic,jz4780-uart";
reg = <0x10030000 0x100>;