mirror of https://github.com/ArduPilot/ardupilot
60 lines
1.7 KiB
Plaintext
60 lines
1.7 KiB
Plaintext
/*
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SPI1 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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/* SPI1 */
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/* D0 Output and D1 Input */
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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 = "spi1mux";
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fragment@0 {
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target = <&am33xx_pinmux>;
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__overlay__ {
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spi1_pins_s0: spi1_pins_s0 {
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pinctrl-single,pins = <
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0x190 0x33 /* mcasp0_aclkx.spi1_sclk, SPI1_SCLK P9_31 */
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0x194 0x13 /* mcasp0_fsx.spi1_d0, SPI1_MOSI P9_29 */
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0x198 0x33 /* mcasp0_axr0.spi1_d1, SPI1_MISO P9_30 */
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/* setup a dummy CS for the SPI driver to use, then
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setup pin modes for the four real CS lines to
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set them pull-up */
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0x058 0x07 /* dummy CS */
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0x164 0x37 /* P9_42 MS5611 CS */
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0x19C 0x37 /* P9_28 MPU6000 CS */
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0x044 0x37 /* P9_23 MPU9250 CS */
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0x030 0x37 /* P8_12 FRAM CS */
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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 = <&spi1>;
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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 = <&spi1_pins_s0>;
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ti,pindir-d0-out-d1-in = <1>;
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spidev@1 {
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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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