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1 /*
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2 * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
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3 *
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4 * This program is free software; you can redistribute it and/or modify
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5 * it under the terms of the GNU General Public License version 2 as
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6 * published by the Free Software Foundation.
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7 */
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8 /dts-v1/;
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9 /plugin/;
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10
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11 / {
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12 compatible = "ti,beaglebone", "ti,beaglebone-black", "ti,beaglebone-green";
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13
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14 /* identification */
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15 part-number = "BB-BONE-BAREAUDI-02";
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16 version = "00A0", "A0";
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17
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18 /* state the resources this cape uses */
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19 exclusive-use =
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20 /* the pin header uses */
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21 "P9.31", /* mcasp0: mcasp0_aclkx */
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22 "P9.29", /* mcasp0: mcasp0_fsx */
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23 "P9.28", /* mcasp0: mcasp0_axr2 */
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24 "P9.25", /* mcasp0: mcasp0_ahclkx */
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25 /* the hardware ip uses */
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26 "gpio1_18", "gpio1_19",
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27 "mcasp0";
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28
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29 fragment@0 {
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30 target = <&am33xx_pinmux>;
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31 __overlay__ {
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32
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33 i2c2_pins: pinmux_i2c2_pins {
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34 pinctrl-single,pins = <
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35 0x150 0x72 /*spi0_scl.i2c2_sda,SLEWCTRL_SLOW | INPUT_PULLUP |MODE2*/
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36 0x154 0x72 /*spi0_d0.i2c2_scl,SLEWCTRL_SLOW | INPUT_PULLUP | MODE2*/
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37 >;
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38 };
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39
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40 bone_audio_cape_audio_pins: pinmux_bone_audio_cape_audio_pins {
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41 pinctrl-single,pins = <
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42 0x1ac 0x00 /* mcasp0_ahclkx, MODE0 | INPUT */
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43 0x19c 0x22 /* mcasp0_ahclkr, */
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44 0x194 0x20 /* mcasp0_fsx, MODE0 | OUTPUT */
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45 0x190 0x20 /* mcasp0_aclkr.mcasp0_aclkx, MODE0 | OUTPUT_PULLDOWN */
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46 0x198 0x20
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47 >;
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48 };
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49 };
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50 };
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51
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52 fragment@1 {
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53 target = <&mcasp0>;
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54 __overlay__ {
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55 pinctrl-names = "default";
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56 pinctrl-0 = <&bone_audio_cape_audio_pins>;
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57
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58 status = "okay";
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59
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60 op-mode = <0>; /* MCASP_IIS_MODE */
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61 tdm-slots = <2>;
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62 num-serializer = <16>;
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63 serial-dir = < /* 0: INACTIVE, 1: TX, 2: RX */
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64 2 0 1 0
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65 0 0 0 0
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66 0 0 0 0
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67 0 0 0 0
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68 >;
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69 tx-num-evt = <1>;
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70 rx-num-evt = <1>;
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71 };
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72 };
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73
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74 };
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