arch/arm/boot/dts/am335x-boneblack.dts

   1 /*
   2  * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License version 2 as
   6  * published by the Free Software Foundation.
   7  */
   8 /dts-v1/;
   9
  10 #include "am33xx.dtsi"
  11 #include "am335x-bone-common.dtsi"
  12 #include <dt-bindings/display/tda998x.h>
  13
  14 / {
  15         model = "TI AM335x BeagleBone Black";
  16         compatible = "ti,am335x-bone-black", "ti,am335x-bone", "ti,am33xx";
  17 };
  18
  19 &ldo3_reg {
  20         regulator-min-microvolt = <1800000>;
  21         regulator-max-microvolt = <1800000>;
  22         regulator-always-on;
  23 };
  24
  25 &mmc1 {
  26         vmmc-supply = <&vmmcsd_fixed>;
  27 };
  28
  29 &mmc2 {
  30         vmmc-supply = <&vmmcsd_fixed>;
  31         pinctrl-names = "default";
  32         pinctrl-0 = <&emmc_pins>;
  33         bus-width = <8>;
  34         status = "okay";
  35 };
  36
  37 &cpu0_opp_table {
  38         /*
  39          * All PG 2.0 silicon may not support 1GHz but some of the early
  40          * BeagleBone Blacks have PG 2.0 silicon which is guaranteed
  41          * to support 1GHz OPP so enable it for PG 2.0 on this board.
  42          */
  43         oppnitro@1000000000 {
  44                 opp-supported-hw = <0x06 0x0100>;
  45         };
  46 };
  47
  48 &am33xx_pinmux {
  49         nxp_hdmi_bonelt_pins: nxp_hdmi_bonelt_pins {
  50                 pinctrl-single,pins = <
  51                         AM33XX_IOPAD(0x9b0, PIN_OUTPUT_PULLDOWN | MUX_MODE3)    /* xdma_event_intr0 */
  52                         AM33XX_IOPAD(0x8a0, PIN_OUTPUT | MUX_MODE0)             /* lcd_data0.lcd_data0 */
  53                         AM33XX_IOPAD(0x8a4, PIN_OUTPUT | MUX_MODE0)             /* lcd_data1.lcd_data1 */
  54                         AM33XX_IOPAD(0x8a8, PIN_OUTPUT | MUX_MODE0)             /* lcd_data2.lcd_data2 */
  55                         AM33XX_IOPAD(0x8ac, PIN_OUTPUT | MUX_MODE0)             /* lcd_data3.lcd_data3 */
  56                         AM33XX_IOPAD(0x8b0, PIN_OUTPUT | MUX_MODE0)             /* lcd_data4.lcd_data4 */
  57                         AM33XX_IOPAD(0x8b4, PIN_OUTPUT | MUX_MODE0)             /* lcd_data5.lcd_data5 */
  58                         AM33XX_IOPAD(0x8b8, PIN_OUTPUT | MUX_MODE0)             /* lcd_data6.lcd_data6 */
  59                         AM33XX_IOPAD(0x8bc, PIN_OUTPUT | MUX_MODE0)             /* lcd_data7.lcd_data7 */
  60                         AM33XX_IOPAD(0x8c0, PIN_OUTPUT | MUX_MODE0)             /* lcd_data8.lcd_data8 */
  61                         AM33XX_IOPAD(0x8c4, PIN_OUTPUT | MUX_MODE0)             /* lcd_data9.lcd_data9 */
  62                         AM33XX_IOPAD(0x8c8, PIN_OUTPUT | MUX_MODE0)             /* lcd_data10.lcd_data10 */
  63                         AM33XX_IOPAD(0x8cc, PIN_OUTPUT | MUX_MODE0)             /* lcd_data11.lcd_data11 */
  64                         AM33XX_IOPAD(0x8d0, PIN_OUTPUT | MUX_MODE0)             /* lcd_data12.lcd_data12 */
  65                         AM33XX_IOPAD(0x8d4, PIN_OUTPUT | MUX_MODE0)             /* lcd_data13.lcd_data13 */
  66                         AM33XX_IOPAD(0x8d8, PIN_OUTPUT | MUX_MODE0)             /* lcd_data14.lcd_data14 */
  67                         AM33XX_IOPAD(0x8dc, PIN_OUTPUT | MUX_MODE0)             /* lcd_data15.lcd_data15 */
  68                         AM33XX_IOPAD(0x8e0, PIN_OUTPUT_PULLDOWN | MUX_MODE0)    /* lcd_vsync.lcd_vsync */
  69                         AM33XX_IOPAD(0x8e4, PIN_OUTPUT_PULLDOWN | MUX_MODE0)    /* lcd_hsync.lcd_hsync */
  70                         AM33XX_IOPAD(0x8e8, PIN_OUTPUT_PULLDOWN | MUX_MODE0)    /* lcd_pclk.lcd_pclk */
  71                         AM33XX_IOPAD(0x8ec, PIN_OUTPUT_PULLDOWN | MUX_MODE0)    /* lcd_ac_bias_en.lcd_ac_bias_en */
  72                 >;
  73         };
  74         nxp_hdmi_bonelt_off_pins: nxp_hdmi_bonelt_off_pins {
  75                 pinctrl-single,pins = <
  76                         AM33XX_IOPAD(0x9b0, PIN_OUTPUT_PULLDOWN | MUX_MODE3)    /* xdma_event_intr0 */
  77                 >;
  78         };
  79
  80         mcasp0_pins: mcasp0_pins {
  81                 pinctrl-single,pins = <
  82                         AM33XX_IOPAD(0x9ac, PIN_INPUT_PULLUP | MUX_MODE0) /* mcasp0_ahcklx.mcasp0_ahclkx */
  83                         AM33XX_IOPAD(0x99c, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mcasp0_ahclkr.mcasp0_axr2*/
  84                         AM33XX_IOPAD(0x994, PIN_OUTPUT_PULLUP | MUX_MODE0) /* mcasp0_fsx.mcasp0_fsx */
  85                         AM33XX_IOPAD(0x990, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* mcasp0_aclkx.mcasp0_aclkx */
  86                         AM33XX_IOPAD(0x86c, PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* gpmc_a11.GPIO1_27 */
  87                 >;
  88         };
  89 };
  90
  91 &lcdc {
  92         status = "okay";
  93         port {
  94                 lcdc_0: endpoint@0 {
  95                         remote-endpoint = <&hdmi_0>;
  96                 };
  97         };
  98 };
  99
 100 &i2c0 {
 101         tda19988: tda19988 {
 102                 compatible = "nxp,tda998x";
 103                 reg = <0x70>;
 104
 105                 pinctrl-names = "default", "off";
 106                 pinctrl-0 = <&nxp_hdmi_bonelt_pins>;
 107                 pinctrl-1 = <&nxp_hdmi_bonelt_off_pins>;
 108
 109                 #sound-dai-cells = <0>;
 110                 audio-ports = < TDA998x_I2S     0x03>;
 111
 112                 ports {
 113                         port@0 {
 114                                 hdmi_0: endpoint@0 {
 115                                         remote-endpoint = <&lcdc_0>;
 116                                 };
 117                         };
 118                 };
 119         };
 120 };
 121
 122 &rtc {
 123         system-power-controller;
 124 };
 125
 126 &mcasp0 {
 127         #sound-dai-cells = <0>;
 128         pinctrl-names = "default";
 129         pinctrl-0 = <&mcasp0_pins>;
 130         status = "okay";
 131         op-mode = <0>;  /* MCASP_IIS_MODE */
 132         tdm-slots = <2>;
 133         serial-dir = <  /* 0: INACTIVE, 1: TX, 2: RX */
 134                         0 0 1 0
 135                 >;
 136         tx-num-evt = <32>;
 137         rx-num-evt = <32>;
 138 };
 139
 140 / {
 141         clk_mcasp0_fixed: clk_mcasp0_fixed {
 142                 #clock-cells = <0>;
 143                 compatible = "fixed-clock";
 144                 clock-frequency = <24576000>;
 145         };
 146
 147         clk_mcasp0: clk_mcasp0 {
 148                 #clock-cells = <0>;
 149                 compatible = "gpio-gate-clock";
 150                 clocks = <&clk_mcasp0_fixed>;
 151                 enable-gpios = <&gpio1 27 0>; /* BeagleBone Black Clk enable on GPIO1_27 */
 152         };
 153
 154         sound {
 155                 compatible = "simple-audio-card";
 156                 simple-audio-card,name = "TI BeagleBone Black";
 157                 simple-audio-card,format = "i2s";
 158                 simple-audio-card,bitclock-master = <&dailink0_master>;
 159                 simple-audio-card,frame-master = <&dailink0_master>;
 160
 161                 dailink0_master: simple-audio-card,cpu {
 162                         sound-dai = <&mcasp0>;
 163                         clocks = <&clk_mcasp0>;
 164                 };
 165
 166                 simple-audio-card,codec {
 167                         sound-dai = <&tda19988>;
 168                 };
 169         };
 170 };