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| author | Mathieu Malaterre <malat@debian.org> | 2018-06-06 22:37:30 +0300 |
|---|---|---|
| committer | Paul Burton <paul.burton@mips.com> | 2018-07-24 23:44:48 +0300 |
| commit | c24f5762d374b7f2aae31b7a393bdfa66ed06d8b (patch) | |
| tree | 8df0df8532e6cc3d79433668bbd4bbd0c50c8937 /arch/mips | |
| parent | 2e90396ad999327c153a6a129b3b683215e1ddea (diff) | |
| download | linux-c24f5762d374b7f2aae31b7a393bdfa66ed06d8b.tar.xz | |
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
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/boot/dts/ingenic/jz4780.dtsi | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/mips/boot/dts/ingenic/jz4780.dtsi b/arch/mips/boot/dts/ingenic/jz4780.dtsi index aa4e8f75ff5d..ce93d57f1b4d 100644 --- a/arch/mips/boot/dts/ingenic/jz4780.dtsi +++ b/arch/mips/boot/dts/ingenic/jz4780.dtsi @@ -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>; |