| /dts-v1/; | |
| /plugin/; | |
| / { | |
| compatible = "ti,beaglebone", "ti,beaglebone-black"; | |
| /* identification */ | |
| part-number = "BB-SPI1-01"; | |
| /* version */ | |
| version = "00A0"; | |
| /* state the resources this cape uses */ | |
| exclusive-use = | |
| /* the pin header uses */ | |
| "P9.31", | |
| "P9.29", | |
| "P9.30", | |
| "P9.28", | |
| "P9.13", | |
| "P9.12", | |
| "spi1"; | |
| fragment@0 { | |
| target = <&am33xx_pinmux>; | |
| __overlay__ { | |
| pinctrl_spi1: pinctrl_spi1_pins { | |
| pinctrl-single,pins = < | |
| 0x190 0x13 /* P9_31 = mcasp0_aclkx.spi1_sclk , OUTPUT_PULLUP | MODE3 */ | |
| 0x194 0x33 /* P9_29 = mcasp0_fsx.spi1_d0 , INPUT_PULLUP | MODE3 */ | |
| 0x198 0x13 /* P9_30 = mcasp0_axr0.spi1_d1 , OUTPUT_PULLUP | MODE3 */ | |
| 0x19c 0x13 /* P9_28 = mcasp0_ahclkr.spi1_cs0 , OUTPUT_PULLUP | MODE3 */ | |
| 0x164 0x12 /* P9_42 = GPIO0_7 = eCAP0_in_PWM0_out.gpio0[7] , OUTPUT_PULLUP | MODE2 */ | |
| >; | |
| }; | |
| }; | |
| }; | |
| fragment@1 { | |
| target = <&spi1>; | |
| __overlay__ { | |
| #address-cells = <1>; | |
| #size-cells = <0>; | |
| status = "okay"; | |
| pinctrl-names = "default"; | |
| pinctrl-0 = <&pinctrl_spi1>; | |
| cs-gpios = <&gpio4 17 0>, <&gpio1 7 0>; | |
| spi1_0{ | |
| #address-cells = <1>; | |
| #size-cells = <0>; | |
| compatible = "spidev"; | |
| reg = <0>; | |
| spi-max-frequency = <16000000>; | |
| spi-cpha; | |
| }; | |
| spi1_1{ | |
| #address-cells = <1>; | |
| #size-cells = <0>; | |
| compatible = "spidev"; | |
| reg = <1>; | |
| spi-max-frequency = <16000000>; | |
| // Mode 0 (CPOL = 0, CPHA = 0) | |
| }; | |
| }; | |
| }; | |
| }; | |
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