mirror of https://github.com/ArduPilot/ardupilot
54 lines
1.5 KiB
Plaintext
54 lines
1.5 KiB
Plaintext
/*
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SPI0 overlay for PXF cape
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The strategy we use is to do the chip select in software. This is
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necessary as the pix mix doesn't allow for the CS pins the cape has
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*/
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/dts-v1/;
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/plugin/;
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/ {
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compatible = "ti,beaglebone", "ti,beaglebone-black";
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/* identification */
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part-number = "spi0mux";
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fragment@0 {
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target = <&am33xx_pinmux>;
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__overlay__ {
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spi0_pins_s0: spi0_pins_s0 {
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pinctrl-single,pins = <
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0x150 0x30 /* spi0_sclk, SPI0_SCLK P9_22 */
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0x154 0x10 /* spi0_d0, SPI0_MOSI P9_21 */
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0x158 0x30 /* spi0_d1, SPI0_MISO P9_18 */
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/* setup a dummy CS for the SPI driver to use, then
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setup pin modes for the two real CS lines to
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set them pull-up */
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0x054 0x07 /* led pin, dummy CS */
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0x15C 0x37 /* LSM9DSO_AM CS P9_17 */
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0x09C 0x37 /* LSM9DSO_G CS P8_9 */
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>;
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};
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};
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};
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fragment@1 {
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target = <&spi0>;
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__overlay__ {
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#address-cells = <1>;
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#size-cells = <0>;
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status = "okay";
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pinctrl-names = "default";
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pinctrl-0 = <&spi0_pins_s0>;
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ti,pindir-d0-out-d1-in = <1>;
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spidev@0 {
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spi-max-frequency = <24000000>;
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reg = <0>;
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compatible = "linux,spidev";
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};
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};
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};
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};
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