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authorMathieu Malaterre <malat@debian.org>2018-06-06 21:37:30 +0200
committerPaul Burton <paul.burton@mips.com>2018-07-24 13:44:48 -0700
commitc24f5762d374b7f2aae31b7a393bdfa66ed06d8b (patch)
tree8df0df8532e6cc3d79433668bbd4bbd0c50c8937 /arch
parent2e90396ad999327c153a6a129b3b683215e1ddea (diff)
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')
-rw-r--r--arch/mips/boot/dts/ingenic/jz4780.dtsi19
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>;