Last active
April 13, 2019 13:27
-
-
Save hcyang1012/2e13e6b16bc475f0b449fa141225508a to your computer and use it in GitHub Desktop.
Beaglebone Black Device Tree for enable SPI-LCD
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
/* | |
* Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/ | |
* | |
* This program is free software; you can redistribute it and/or modify | |
* it under the terms of the GNU General Public License version 2 as | |
* published by the Free Software Foundation. | |
*/ | |
/dts-v1/; | |
#include "am33xx.dtsi" | |
#include "am335x-bone-common.dtsi" | |
#include <dt-bindings/display/tda998x.h> | |
/* #include "am335x-bone-jtag.dtsi" */ | |
/ { | |
model = "TI AM335x BeagleBone Black"; | |
compatible = "ti,am335x-bone-black", "ti,am335x-bone", "ti,am33xx"; | |
}; | |
&ldo3_reg { | |
regulator-min-microvolt = <1800000>; | |
regulator-max-microvolt = <1800000>; | |
regulator-always-on; | |
}; | |
&mmc1 { | |
vmmc-supply = <&vmmcsd_fixed>; | |
}; | |
&mmc2 { | |
vmmc-supply = <&vmmcsd_fixed>; | |
pinctrl-names = "default"; | |
pinctrl-0 = <&emmc_pins>; | |
bus-width = <8>; | |
status = "okay"; | |
}; | |
&cpu0_opp_table { | |
/* | |
* All PG 2.0 silicon may not support 1GHz but some of the early | |
* BeagleBone Blacks have PG 2.0 silicon which is guaranteed | |
* to support 1GHz OPP so enable it for PG 2.0 on this board. | |
*/ | |
oppnitro@1000000000 { | |
opp-supported-hw = <0x06 0x0100>; | |
}; | |
}; | |
&sgx { | |
status = "okay"; | |
}; | |
&am33xx_pinmux { | |
nxp_hdmi_bonelt_pins: nxp_hdmi_bonelt_pins { | |
pinctrl-single,pins = < | |
AM33XX_IOPAD(0x9b0, PIN_OUTPUT_PULLDOWN | MUX_MODE3) /* xdma_event_intr0 */ | |
AM33XX_IOPAD(0x8a0, PIN_OUTPUT | MUX_MODE0) /* lcd_data0.lcd_data0 */ | |
AM33XX_IOPAD(0x8a4, PIN_OUTPUT | MUX_MODE0) /* lcd_data1.lcd_data1 */ | |
AM33XX_IOPAD(0x8a8, PIN_OUTPUT | MUX_MODE0) /* lcd_data2.lcd_data2 */ | |
AM33XX_IOPAD(0x8ac, PIN_OUTPUT | MUX_MODE0) /* lcd_data3.lcd_data3 */ | |
AM33XX_IOPAD(0x8b0, PIN_OUTPUT | MUX_MODE0) /* lcd_data4.lcd_data4 */ | |
AM33XX_IOPAD(0x8b4, PIN_OUTPUT | MUX_MODE0) /* lcd_data5.lcd_data5 */ | |
AM33XX_IOPAD(0x8b8, PIN_OUTPUT | MUX_MODE0) /* lcd_data6.lcd_data6 */ | |
AM33XX_IOPAD(0x8bc, PIN_OUTPUT | MUX_MODE0) /* lcd_data7.lcd_data7 */ | |
AM33XX_IOPAD(0x8c0, PIN_OUTPUT | MUX_MODE0) /* lcd_data8.lcd_data8 */ | |
AM33XX_IOPAD(0x8c4, PIN_OUTPUT | MUX_MODE0) /* lcd_data9.lcd_data9 */ | |
AM33XX_IOPAD(0x8c8, PIN_OUTPUT | MUX_MODE0) /* lcd_data10.lcd_data10 */ | |
AM33XX_IOPAD(0x8cc, PIN_OUTPUT | MUX_MODE0) /* lcd_data11.lcd_data11 */ | |
AM33XX_IOPAD(0x8d0, PIN_OUTPUT | MUX_MODE0) /* lcd_data12.lcd_data12 */ | |
AM33XX_IOPAD(0x8d4, PIN_OUTPUT | MUX_MODE0) /* lcd_data13.lcd_data13 */ | |
AM33XX_IOPAD(0x8d8, PIN_OUTPUT | MUX_MODE0) /* lcd_data14.lcd_data14 */ | |
AM33XX_IOPAD(0x8dc, PIN_OUTPUT | MUX_MODE0) /* lcd_data15.lcd_data15 */ | |
AM33XX_IOPAD(0x8e0, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* lcd_vsync.lcd_vsync */ | |
AM33XX_IOPAD(0x8e4, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* lcd_hsync.lcd_hsync */ | |
AM33XX_IOPAD(0x8e8, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* lcd_pclk.lcd_pclk */ | |
AM33XX_IOPAD(0x8ec, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* lcd_ac_bias_en.lcd_ac_bias_en */ | |
>; | |
}; | |
nxp_hdmi_bonelt_off_pins: nxp_hdmi_bonelt_off_pins { | |
pinctrl-single,pins = < | |
AM33XX_IOPAD(0x9b0, PIN_OUTPUT_PULLDOWN | MUX_MODE3) /* xdma_event_intr0 */ | |
>; | |
}; | |
mcasp0_pins: mcasp0_pins { | |
pinctrl-single,pins = < | |
AM33XX_IOPAD(0x9ac, PIN_INPUT_PULLUP | MUX_MODE0) /* mcasp0_ahcklx.mcasp0_ahclkx */ | |
AM33XX_IOPAD(0x99c, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mcasp0_ahclkr.mcasp0_axr2*/ | |
AM33XX_IOPAD(0x994, PIN_OUTPUT_PULLUP | MUX_MODE0) /* mcasp0_fsx.mcasp0_fsx */ | |
AM33XX_IOPAD(0x990, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* mcasp0_aclkx.mcasp0_aclkx */ | |
AM33XX_IOPAD(0x86c, PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* gpmc_a11.GPIO1_27 */ | |
>; | |
}; | |
spi0_pins:spi0_pins{ | |
pinctrl-single,pins = < | |
AM33XX_IOPAD(0x95c, PIN_OUTPUT_PULLUP | MUX_MODE0) /* P9_17, 87, SPI0_CS0 */ | |
AM33XX_IOPAD(0x950, PIN_INPUT_PULLUP | MUX_MODE0) /* P9_22, 84, SPI0_CLK */ | |
AM33XX_IOPAD(0x954, PIN_INPUT_PULLUP | MUX_MODE0) /* P9_21, 85, SPI0_MISO */ | |
AM33XX_IOPAD(0x958, PIN_OUTPUT_PULLUP | MUX_MODE0) /* P9_18, 86, SPI0_MOSI */ | |
>; | |
}; | |
}; | |
&lcdc { | |
status = "okay"; | |
port { | |
lcdc_0: endpoint@0 { | |
remote-endpoint = <&hdmi_0>; | |
}; | |
}; | |
}; | |
&i2c0 { | |
tda19988: tda19988 { | |
compatible = "nxp,tda998x"; | |
reg = <0x70>; | |
pinctrl-names = "default", "off"; | |
pinctrl-0 = <&nxp_hdmi_bonelt_pins>; | |
pinctrl-1 = <&nxp_hdmi_bonelt_off_pins>; | |
#sound-dai-cells = <0>; | |
audio-ports = < TDA998x_I2S 0x03>; | |
ports { | |
port@0 { | |
hdmi_0: endpoint@0 { | |
remote-endpoint = <&lcdc_0>; | |
}; | |
}; | |
}; | |
}; | |
}; | |
&mcasp0 { | |
#sound-dai-cells = <0>; | |
pinctrl-names = "default"; | |
pinctrl-0 = <&mcasp0_pins>; | |
status = "okay"; | |
op-mode = <0>; /* MCASP_IIS_MODE */ | |
tdm-slots = <2>; | |
serial-dir = < /* 0: INACTIVE, 1: TX, 2: RX */ | |
0 0 1 0 | |
>; | |
tx-num-evt = <32>; | |
rx-num-evt = <32>; | |
}; | |
&spi0 { | |
status="okay"; | |
pinctrl-names = "default"; | |
pinctrl-0 = <&spi0_pins>; | |
}; | |
/ { | |
clk_mcasp0_fixed: clk_mcasp0_fixed { | |
#clock-cells = <0>; | |
compatible = "fixed-clock"; | |
clock-frequency = <24576000>; | |
}; | |
clk_mcasp0: clk_mcasp0 { | |
#clock-cells = <0>; | |
compatible = "gpio-gate-clock"; | |
clocks = <&clk_mcasp0_fixed>; | |
enable-gpios = <&gpio1 27 0>; /* BeagleBone Black Clk enable on GPIO1_27 */ | |
}; | |
sound { | |
compatible = "simple-audio-card"; | |
simple-audio-card,name = "TI BeagleBone Black"; | |
simple-audio-card,format = "i2s"; | |
simple-audio-card,bitclock-master = <&dailink0_master>; | |
simple-audio-card,frame-master = <&dailink0_master>; | |
dailink0_master: simple-audio-card,cpu { | |
sound-dai = <&mcasp0>; | |
clocks = <&clk_mcasp0>; | |
}; | |
simple-audio-card,codec { | |
sound-dai = <&tda19988>; | |
}; | |
}; | |
}; |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment