本帖最后由 一只耳朵怪 于 2018-6-21 08:52 编辑
硬件环境：
CPU:AM3352
Codec:TLV320AIC3106IRGZR
硬件连接：
Codec管脚 | CPU管脚
--------------------------------------- ---------------------------------------
AM335X_AUDA_MCLK | XDMA_EVENT_INTR0
AM335X_AUDA_FSX | MCASP0_FSX
AM335X_AUDA_BCLK | MCASP0_ACLKX
AM335X_AUDA_DIN | MCASP0_AXR0
AM335X_AUDA_DOUT | MCASP0_AXR1
AM335X_I2C0_SCL | I2C0_SCL
AM335X_I2C0_SDA | I2C0_SDA
--------------------------------------------------------------------------------
部分原理图如下：
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设备树文件如下：
- /*
- * 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.
- */
- /*
- * AM335x Starter Kit
- * http://www.ti.com/tool/tmdssk3358
- */
- /dts-v1/;
- #include "am33xx.dtsi"
- #include
- #include
- / [
- model = "TI AM335x EVM-SK";
- compatible = "ti,am335x-evmsk", "ti,am33xx";
- cpus [
- cpu@0 [
- cpu0-supply = <&vdd1_reg>;
- ];
- ];
- memory [
- device_type = "memory";
- reg = <0x80000000 0x10000000>; /* 256 MB */
- ];
- chosen [
- bootargs = "console=ttyO0,115200n8 root=/dev/ram0";
- ];
- vbat: fixedregulator@0 [
- compatible = "regulator-fixed";
- regulator-name = "vbat";
- regulator-min-microvolt = <5000000>;
- regulator-max-microvolt = <5000000>;
- regulator-boot-on;
- ];
- v3_3d: fixedregulator@1 [
- compatible = "regulator-fixed";
- regulator-name = "v3_3d";
- regulator-boot-on;
- ];
- emmc_vcc: fixedregulator@2 [
- compatible = "regulator-fixed";
- regulator-name = "emmc_vcc";
- regulator-min-microvolt = <3300000>;
- regulator-max-microvolt = <3300000>;
- regulator-boot-on;
- ];
- matrix_keypad: matrix_keypad@0 [ //3X6 keypad
- compatible = "gpio-matrix-keypad";
- debounce-delay-ms = <5>;
- col-scan-delay-us = <2>;
- pinctrl-names = "default","sleep";
- pinctrl-0 = <&matrix_keypad_default>;
- pinctrl-1 = <&matrix_keypad_sleep>;
- row-gpios = <&gpio0 21 GPIO_ACTIVE_HIGH /* Bank1, pin21 */
- &gpio0 17 GPIO_ACTIVE_HIGH /* Bank1, pin17 */
- &gpio0 16 GPIO_ACTIVE_HIGH /* Bank1, pin16 */
- &gpio2 21 GPIO_ACTIVE_HIGH>; /* Bank1, pin21 */
- col-gpios = <
- &gpio2 20 GPIO_ACTIVE_HIGH /* Bank1, pin20 */
- &gpio2 19 GPIO_ACTIVE_HIGH /* Bank1, pin1 */
- &gpio2 18 GPIO_ACTIVE_HIGH /* Bank1, pin18 */
- >;
- linux,keymap = <
- 0x00000003 /*line0,row0 KEY_3 3*/
- 0x01000006 /*line0,row1 KEY_6 6*/
- 0x02000009 /*line0,row2 KEY_9 9*/
- 0x0300000b /*line0,row3 KEY_POUND 11*/
- 0x00010002 /*line1,row0 KEY_2 2*/
- 0x01010005 /*line1,row1 KEY_5 5*/
- 0x02010008 /*line1,row2 KEY_8 8*/
- 0x03010064 /*line1,row3 KEY_0 0*/
- 0x00020001 /*line2,row0 KEY_1 1 */
- 0x01020004 /*line2,row1 KEY_4 4 */
- 0x02020007 /*line2,row2 KEY_7 7 */
- 0x0302000a /*line2,row3 KEY_star 10 */
- >;
- ];
- vtt_fixed: fixedregulator@3 [
- compatible = "regulator-fixed";
- regulator-name = "vtt";
- regulator-min-microvolt = <1500000>;
- regulator-max-microvolt = <1500000>;
- gpio = <&gpio0 7 GPIO_ACTIVE_HIGH>;
- regulator-always-on;
- regulator-boot-on;
- enable-active-high;
- ];
- SD_VCC: fixedregulator@4 [
- compatible = "regulator-fixed";
- regulator-name = "SD_VCC";
- regulator-min-microvolt = <3300000>;
- regulator-max-microvolt = <3300000>;
- gpio = <&gpio1 14 0>;
- regulator-boot-on;
- enable-active-high;
- regulator-bootenable-active-high;
- vin-supply=<&vbat>;
- ];
- sound [
- compatible = "ti,da830-evm-audio";
- ti,model = "AM335x-EVMSK";
- ti,audio-codec = <&tlv320aic3106>;
- ti,mcasp-controller = <&mcasp0>;
- ti,codec-clock-rate = <24000000>;
- ti,audio-routing =
- "Line Out", "LLOUT",
- "Line Out", "RLOUT",
- "LINE1L", "Line In";
- ];
- //pps [
- // compatible = "pps-gpio";
- // gpios = <&gpio2 2 0>;
- // assert-falling-edge;
- //];
- ];
- &am33xx_pinmux [
- pinctrl-names = "default";
- pinctrl-0 = <&myglue2_pins &ddr3_vtt_toggle>;
- ddr3_vtt_toggle: ddr3_vtt_toggle [
- pinctrl-single,pins = <
- 0x164 (PIN_OUTPUT | MUX_MODE7) /* ecap0_in_pwm0_out.gpio0_7 */
- >;
- ];
- matrix_keypad_default: matrix_keypad_default [
- pinctrl-single,pins = <
- 0x13c ( PIN_OUTPUT_PULLDOWN | MUX_MODE7 ) /* (L15) gmii1_rxd1.gpio2_20 */
- 0x138 ( PIN_OUTPUT_PULLDOWN | MUX_MODE7 ) /* (L16) gmii1_rxd2.gpio2_19 */
- 0x134 ( PIN_OUTPUT_PULLDOWN | MUX_MODE7 ) /* (L17) gmii1_rxd3.gpio2_18 */
- 0x124 ( PIN_INPUT_PULLDOWN | MUX_MODE7 ) /* (K16) gmii1_txd1.gpio0_21 */
- 0x120 ( PIN_INPUT_PULLDOWN | MUX_MODE7 ) /* (K15) gmii1_txd2.gpio0_17 */
- 0x11c ( PIN_INPUT_PULLDOWN | MUX_MODE7 ) /* (J18) gmii1_txd3.gpio0_16 */
- 0x140 ( PIN_INPUT_PULLDOWN | MUX_MODE7 ) /* (M16) gmii1_rxd0.gpio2_21 */
- 0x130 ( PIN_INPUT_PULLUP | MUX_MODE7 ) /* (L18) gmii1_rxclk.gpio3_10 */
- 0x12c ( PIN_INPUT_PULLUP | MUX_MODE7 ) /* (K18) gmii1_txclk.gpio3_9 */
- 0x114 ( PIN_INPUT_PULLUP | MUX_MODE7 ) /* (J16) gmii1_txen.gpio3_3 */
- >;
- ];
- matrix_keypad_sleep: matrix_keypad_sleep [
- pinctrl-single,pins = <
- 0x13c ( PIN_OUTPUT_PULLDOWN | MUX_MODE7 ) /* (L15) gmii1_rxd1.gpio2_20 */
- 0x138 ( PIN_OUTPUT_PULLDOWN | MUX_MODE7 ) /* (L16) gmii1_rxd2.gpio2_1 */
- 0x134 ( PIN_OUTPUT_PULLDOWN | MUX_MODE7 ) /* (L17) gmii1_rxd3.gpio2_18 */
- 0x124 ( PIN_INPUT_PULLDOWN | MUX_MODE7 ) /* (K16) gmii1_txd1.gpio0_21 */
- 0x120 ( PIN_INPUT_PULLDOWN | MUX_MODE7 ) /* (K15) gmii1_txd2.gpio0_17 */
- 0x11c ( PIN_INPUT_PULLDOWN | MUX_MODE7 ) /* (J18) gmii1_txd3.gpio0_16 */
- 0x140 ( PIN_INPUT_PULLDOWN | MUX_MODE7 ) /* (M16) gmii1_rxd0.gpio2_21 */
- >;
- ];
- myglue2_pins: myglue2_pins_default [
- pinctrl-single,pins = <
- 0x1b8 ( PIN_INPUT | MUX_MODE0 ) /* (A10) nRESETIN_OUT.nRESETIN_OUT */
- 0x1c0 ( PIN_INPUT | MUX_MODE0 ) /* (B18) nNMI.nNMI */
- 0x1b0 ( PIN_OUTPUT | MUX_MODE3 ) /* (A15) xdma_event_intr0.clkout1 */
- >;
- ];
- i2c0_pins: pinmux_i2c0_pins [
- pinctrl-single,pins = <
- 0x188 (PIN_INPUT_PULLUP | MUX_MODE0) /* i2c0_sda.i2c0_sda */
- 0x18c (PIN_INPUT_PULLUP | MUX_MODE0) /* i2c0_scl.i2c0_scl */
- >;
- ];
- uart0_pins: pinmux_uart0_pins [
- pinctrl-single,pins = <
- 0x170 (PIN_INPUT_PULLUP | MUX_MODE0) /* uart0_rxd.uart0_rxd */
- 0x174 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* uart0_txd.uart0_txd */
- >;
- ];
- cpsw_default: cpsw_default [
- pinctrl-single,pins = <
- /* Slave 2 */
- 0x40 (PIN_OUTPUT | MUX_MODE1) /* gpmc_a0.gmii2_txen */
- 0x44 (PIN_INPUT | MUX_MODE1) /* gpmc_a1.gmii2_rxdv */
- 0x48 (PIN_OUTPUT | MUX_MODE1) /* gpmc_a2.gmii2_td3 */
- 0x4c (PIN_OUTPUT | MUX_MODE1) /* gpmc_a3.gmii2_td2 */
- 0x50 (PIN_OUTPUT | MUX_MODE1) /* gpmc_a4.gmii2_td1 */
- 0x54 (PIN_OUTPUT | MUX_MODE1) /* gpmc_a5.gmii2_td0 */
- 0x58 (PIN_INPUT | MUX_MODE1) /* gpmc_a6.gmii2_tclk */
- 0x5c (PIN_INPUT | MUX_MODE1) /* gpmc_a7.gmii2_rclk */
- 0x60 (PIN_INPUT | MUX_MODE1) /* gpmc_a8.gmii2_rd3 */
- 0x64 (PIN_INPUT | MUX_MODE1) /* gpmc_a9.gmii2_rd2 */
- 0x68 (PIN_INPUT | MUX_MODE1) /* gpmc_a10.gmii2_rd1 */
- 0x6c (PIN_INPUT | MUX_MODE1) /* gpmc_a11.gmii2_rd0 */
- >;
- ];
- cpsw_sleep: cpsw_sleep [
- pinctrl-single,pins = <
- /* Slave 2 reset value*/
- 0x40 (PIN_INPUT_PULLDOWN | MUX_MODE7)
- 0x44 (PIN_INPUT_PULLDOWN | MUX_MODE7)
- 0x48 (PIN_INPUT_PULLDOWN | MUX_MODE7)
- 0x4c (PIN_INPUT_PULLDOWN | MUX_MODE7)
- 0x50 (PIN_INPUT_PULLDOWN | MUX_MODE7)
- 0x54 (PIN_INPUT_PULLDOWN | MUX_MODE7)
- 0x58 (PIN_INPUT_PULLDOWN | MUX_MODE7)
- 0x5c (PIN_INPUT_PULLDOWN | MUX_MODE7)
- 0x60 (PIN_INPUT_PULLDOWN | MUX_MODE7)
- 0x64 (PIN_INPUT_PULLDOWN | MUX_MODE7)
- 0x68 (PIN_INPUT_PULLDOWN | MUX_MODE7)
- 0x6c (PIN_INPUT_PULLDOWN | MUX_MODE7)
- >;
- ];
- davinci_mdio_default: davinci_mdio_default [
- pinctrl-single,pins = <
- /* MDIO */
- 0x148 (PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0) /* mdio_data.mdio_data */
- 0x14c (PIN_OUTPUT_PULLUP | MUX_MODE0) /* mdio_clk.mdio_clk */
- >;
- ];
- davinci_mdio_sleep: davinci_mdio_sleep [
- pinctrl-single,pins = <
- /* MDIO reset value */
- 0x148 (PIN_INPUT_PULLDOWN | MUX_MODE7)
- 0x14c (PIN_INPUT_PULLDOWN | MUX_MODE7)
- >;
- ];
- mmc1_pins_default: pinmux_mmc1_pins [
- pinctrl-single,pins = <
- 0x0F0 (PIN_INPUT_PULLUP | MUX_MODE0) /* mmc0_dat3.mmc0_dat3 */
- 0x0F4 (PIN_INPUT_PULLUP | MUX_MODE0) /* mmc0_dat2.mmc0_dat2 */
- 0x0F8 (PIN_INPUT_PULLUP | MUX_MODE0) /* mmc0_dat1.mmc0_dat1 */
- 0x0FC (PIN_INPUT_PULLUP | MUX_MODE0) /* mmc0_dat0.mmc0_dat0 */
- 0x100 (PIN_INPUT_PULLUP | MUX_MODE0) /* mmc0_clk.mmc0_clk */
- 0x104 (PIN_INPUT_PULLUP | MUX_MODE0) /* mmc0_cmd.mmc0_cmd */
- >;
- ];
- mmc1_pins_sleep: pinmux_mmc1_pins_sleep [
- pinctrl-single,pins = <
- 0x0F0 (PIN_INPUT_PULLDOWN | MUX_MODE7)
- 0x0F4 (PIN_INPUT_PULLDOWN | MUX_MODE7)
- 0x0F8 (PIN_INPUT_PULLDOWN | MUX_MODE7)
- 0x0FC (PIN_INPUT_PULLDOWN | MUX_MODE7)
- 0x100 (PIN_INPUT_PULLDOWN | MUX_MODE7)
- 0x104 (PIN_INPUT_PULLDOWN | MUX_MODE7)
- >;
- ];
- mcasp0_pins: mcasp0_pins [
- pinctrl-single,pins = <
- 0x190 (PIN_INPUT_PULLDOWN | MUX_MODE0) /* mcasp0_aclkx.mcasp0_aclkx */
- 0x194 (PIN_INPUT_PULLDOWN | MUX_MODE0) /* mcasp0_fsx.mcasp0_fsx */
- 0x198 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* mcasp0_axr0.mcasp0_axr0 */
- 0x1A8 (PIN_INPUT_PULLDOWN | MUX_MODE0) /* mcasp0_axr1.mcasp0_axr1 */
- >;
- ];
- mmc2_pins: pinmux_mmc2_pins [
- pinctrl-single,pins = <
- 0x74 (PIN_INPUT_PULLUP | MUX_MODE7) /* gpmc_wpn.gpio0_31 */
- 0x80 (PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn1.mmc1_clk */
- 0x84 (PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn2.mmc1_cmd */
- 0x00 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad0.mmc1_dat0 */
- 0x04 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad1.mmc1_dat1 */
- 0x08 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad2.mmc1_dat2 */
- 0x0c (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad3.mmc1_dat3 */
- 0x10 (PIN_INPUT_PULLUP | MUX_MODE1) /* (U8) gpmc_ad4.mmc1_dat4 */
- 0x14 (PIN_INPUT_PULLUP | MUX_MODE1) /* (V8) gpmc_ad5.mmc1_dat5 */
- 0x18 (PIN_INPUT_PULLUP | MUX_MODE1) /* (R9) gpmc_ad6.mmc1_dat6 */
- 0x1c (PIN_INPUT_PULLUP | MUX_MODE1) /* (T9) gpmc_ad7.mmc1_dat7 */
- >;
- ];
- ];
- &uart0 [
- pinctrl-names = "default";
- pinctrl-0 = <&uart0_pins>;
- status = "okay";
- ];
- &i2c0 [
- pinctrl-names = "default";
- pinctrl-0 = <&i2c0_pins>;
- status = "okay";
- clock-frequency = <400000>;
- tps: tps@2d [
- reg = <0x2d>;
- ];
- eeprom: eeprom@50 [
- compatible = "atmel,24c64";
- reg = <0x50>;
- pagesize = <32>;
- ];
- tlv320aic3106: tlv320aic3106@1b [
- compatible = "ti,tlv320aic3106";
- ai3x-micbias-vg = <2>;
- reg = <0x1b>;
- status = "okay";
- /* Regulators */
- AVDD-supply = <&vbat>;
- IOVDD-supply = <&vbat>;
- DRVDD-supply = <&vbat>;
- DVDD-supply = <&vbat>;
- ];
- pca953x:pca953x@74[
- compatible = "nxp,pca9539";
- reg=<0x74>;
- status="okay";
- interrupt-parent = <&gpio0>;
- interrupts = <29 IRQ_TYPE_EDGE_FALLING>;
- ];
- ];
- &u*** [
- status = "okay";
- ];
- &u***_ctrl_mod [
- status = "okay";
- ];
- &u***0_phy [
- status = "okay";
- ];
- &u***1_phy [
- status = "okay";
- ];
- &u***0 [
- status = "okay";
- ];
- &u***1 [
- status = "okay";
- dr_mode = "host";
- ];
- &cppi41dma [
- status = "okay";
- ];
- &wkup_m3_ipc [
- ti,needs-vtt-toggle;
- ti,vtt-gpio-pin = <7>;
- ti,scale-data-fw = "am335x-evm-scale-data.bin";
- ];
- #include "tps65910.dtsi"
- &tps [
- vcc1-supply = <&vbat>;
- vcc2-supply = <&vbat>;
- vcc3-supply = <&vbat>;
- vcc4-supply = <&vbat>;
- vcc5-supply = <&vbat>;
- vcc6-supply = <&vbat>;
- vcc7-supply = <&vbat>;
- vccio-supply = <&vbat>;
- regulators [
- vrtc_reg: regulator@0 [
- regulator-always-on;
- ];
- vio_reg: regulator@1 [
- regulator-always-on;
- ];
- vdd1_reg: regulator@2 [
- /* VDD_MPU voltage limits 0.95V - 1.325V with +/-4% tolerance */
- regulator-name = "vdd_mpu";
- regulator-min-microvolt = <912500>;
- regulator-max-microvolt = <1378000>;
- regulator-boot-on;
- regulator-always-on;
- ];
- vdd2_reg: regulator@3 [
- /* VDD_CORE voltage limits 0.95V - 1.1V with +/-4% tolerance */
- regulator-name = "vdd_core";
- regulator-min-microvolt = <912500>;
- regulator-max-microvolt = <1150000>;
- regulator-boot-on;
- regulator-always-on;
- ];
- vdd3_reg: regulator@4 [
- regulator-always-on;
- ];
- vdig1_reg: regulator@5 [
- regulator-always-on;
- ];
- vdig2_reg: regulator@6 [
- regulator-always-on;
- ];
- vpll_reg: regulator@7 [
- regulator-always-on;
- ];
- vdac_reg: regulator@8 [
- regulator-always-on;
- ];
- vaux1_reg: regulator@9 [
- regulator-always-on;
- ];
- vaux2_reg: regulator@10 [
- regulator-always-on;
- ];
- vaux33_reg: regulator@11 [
- regulator-always-on;
- ];
- vmmc_reg: regulator@12 [
- regulator-min-microvolt = <1800000>;
- regulator-max-microvolt = <3300000>;
- regulator-always-on;
- ];
- ];
- ];
- &mac [
- pinctrl-names = "default", "sleep";
- pinctrl-0 = <&cpsw_default>;
- pinctrl-1 = <&cpsw_sleep>;
- //dual_emac = <1>;
- status = "okay";
- active_slave = <1>; // -> select EMAC1.
- ];
- &davinci_mdio [
- pinctrl-names = "default", "sleep";
- pinctrl-0 = <&davinci_mdio_default>;
- pinctrl-1 = <&davinci_mdio_sleep>;
- status = "okay";
- ];
- &cpsw_emac1 [
- phy_id = <&davinci_mdio>, <10>;
- phy-mode = "mii";
- dual_emac_res_vlan = <1>;
- ];
- &mmc1 [
- status = "okay";
- vmmc-supply = <&SD_VCC>;
- bus-width = <4>;
- pinctrl-names = "default", "sleep";
- pinctrl-0 = <&mmc1_pins_default>;
- pinctrl-1 = <&mmc1_pins_sleep>;
- cd-gpios = <&gpio0 6 GPIO_ACTIVE_HIGH>;
- ];
- &sham [
- status = "okay";
- ];
- &aes [
- status = "okay";
- ];
- &gpio0 [
- ti,no-reset-on-init;
- ];
- &mmc2 [
- status = "okay";
- vmmc-supply = <&emmc_vcc>;
- ti,non-removable;
- bus-width = <8>;
- cap-power-off-card;
- keep-power-in-suspend;
- pinctrl-names = "default";
- pinctrl-0 = <&mmc2_pins>;
- ];
- &mcasp0 [
- pinctrl-names = "default";
- pinctrl-0 = <&mcasp0_pins>;
- status = "okay";
- op-mode = <0>; /* MCASP_IIS_MODE */
- tdm-slots = <2>;
- /* 4 serializers AXR0 AXR1 AXR2 AXR3 */
- serial-dir = < /* 0: INACTIVE, 1: TX, 2: RX */
- 1 2 0 0
- >;
- tx-num-evt = <32>;
- rx-num-evt = <32>;
- ];
- 启动linux,调试串口0输出如下：
- [ 0.000000] CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c5387d
- [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache
- [ 0.000000] Machine model: TI AM335x EVM-SK
- [ 0.000000] cma: Reserved 24 MiB at 0x8b800000
- [ 0.000000] Memory policy: Data cache writeback
- [ 0.000000] CPU: All CPU(s) started in SVC mode.
- [ 0.000000] AM335X ES2.1 (neon )
- [ 0.000000] Built 1 zonelists in Zone order, mobility grouping on. Total pages: 64960
- [ 0.000000] Kernel command line: console=ttyO0,115200n8 root=/dev/ram0
- [ 0.000000] PID hash table entries: 1024 (order: 0, 4096 bytes)
- [ 0.000000] Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
- [ 0.000000] Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
- [ 0.000000] Memory: 197276K/262144K available (7163K kernel code, 290K rwdata, 1776K rodata, 28eserved, 0K highmem)
- [ 0.000000] Virtual kernel memory layout:
- [ 0.000000] vector : 0xffff0000 - 0xffff1000 ( 4 kB)
- [ 0.000000] fixmap : 0xffc00000 - 0xfff00000 (3072 kB)
- [ 0.000000] vmalloc : 0xd0800000 - 0xff000000 ( 744 MB)
- [ 0.000000] lowmem : 0xc0000000 - 0xd0000000 ( 256 MB)
- [ 0.000000] pkmap : 0xbfe00000 - 0xc0000000 ( 2 MB)
- [ 0.000000] .text : 0xc0008000 - 0xc08c30ac (8941 kB)
- [ 0.000000] .init : 0xc08c4000 - 0xc090c000 ( 288 kB)
- [ 0.000000] .data : 0xc090c000 - 0xc0954be8 ( 291 kB)
- [ 0.000000] .bss : 0xc0957000 - 0xc0991cdc ( 236 kB)
- [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
- [ 0.000000] Preemptible hierarchical RCU implementation.
- [ 0.000000] Additional per-CPU info printed with stalls.
- [ 0.000000] NR_IRQS:16 nr_irqs:16 16
- [ 0.000000] IRQ: Found an INTC at 0xfa200000 (revision 5.0) with 128 interrupts
- [ 0.000000] OMAP clockevent source: timer2 at 24000000 Hz
- [ 0.000018] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns
- [ 0.000043] clocksource timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 796358519
- [ 0.000057] OMAP clocksource: timer1 at 24000000 Hz
- [ 0.000283] Console: colour dummy device 80x30
- [ 0.000313] WARNING: Your 'console=ttyO0' has been replaced by 'ttyS0'
- [ 0.000322] This ensures that you still see kernel messages. Please
- [ 0.000330] update your kernel commandline.
- [ 0.000354] Calibrating delay loop... 597.60 BogoMIPS (lpj=2988032)
- [ 0.118873] pid_max: default: 32768 minimum: 301
- [ 0.118999] Security Framework initialized
- [ 0.119066] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
- [ 0.119080] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
- [ 0.119940] Initializing cgroup subsys blkio
- [ 0.119969] Initializing cgroup subsys memory
- [ 0.120023] Initializing cgroup subsys devices
- [ 0.120042] Initializing cgroup subsys freezer
- [ 0.120060] Initializing cgroup subsys perf_event
- [ 0.120092] CPU: Testing write buffer coherency: ok
- [ 0.120554] Setting up static identity map for 0x80008200 - 0x80008270
- [ 0.122473] devtmpfs: initialized
- [ 0.135344] VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 3
- [ 0.147652] omap_hwmod: tptc0 using broken dt data from edma
- [ 0.147801] omap_hwmod: tptc1 using broken dt data from edma
- [ 0.147933] omap_hwmod: tptc2 using broken dt data from edma
- [ 0.152934] omap_hwmod: debugss: _wait_target_disable failed
- [ 0.209791] clocksource jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604
- [ 0.212535] pinctrl core: initialized pinctrl subsystem
- [ 0.214085] NET: Registered protocol family 16
- [ 0.216890] DMA: preallocated 256 KiB pool for atomic coherent allocations
- [ 0.218258] before arch_cpu_idle_prepare
- [ 0.218273] before cpu_idle_loop
- [ 0.218281] entering into cpu_idle_loop
- [ 0.238878] cpuidle: using governor ladder
- [ 0.268866] cpuidle: using governor menu
- [ 0.273591] OMAP GPIO hardware version 0.1
- [ 0.285829] No ATAGs?
- [ 0.285861] hw-breakpoint: debug architecture 0x4 unsupported.
- [ 0.329866] edma-dma-engine edma-dma-engine.0: TI EDMA DMA engine driver
- [ 0.335347] vgaarb: loaded
- [ 0.336076] SCSI subsystem initialized
- [ 0.336940] omap_i2c 44e0b000.i2c: could not find pctldev for node /ocp/l4_wkup@44c00000/scm@21e
- [ 0.337179] pps_core: LinuxPPS API ver. 1 registered
- [ 0.337190] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti
- [ 0.337231] PTP clock support registered
- [ 0.337776] Advanced Linux Sound Architecture Driver Initialized.
- [ 0.338801] Switched to clocksource timer1
- [ 0.352658] NET: Registered protocol family 2
- [ 0.353711] TCP established hash table entries: 2048 (order: 1, 8192 bytes)
- [ 0.353757] TCP bind hash table entries: 2048 (order: 1, 8192 bytes)
- [ 0.353794] TCP: Hash tables configured (established 2048 bind 2048)
- [ 0.353882] UDP hash table entries: 256 (order: 0, 4096 bytes)
- [ 0.353908] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
- [ 0.354116] NET: Registered protocol family 1
- [ 0.354582] RPC: Registered named UNIX socket transport module.
- [ 0.354600] RPC: Registered udp transport module.
- [ 0.354609] RPC: Registered tcp transport module.
- [ 0.354618] RPC: Registered tcp NFSv4.1 backchannel transport module.
- [ 0.355046] Trying to unpack rootfs image as initramfs...
- [ 0.356535] rootfs image is not initramfs (no cpio magic); looks like an initrd
- [ 0.549456] Freeing initrd memory: 27748K (cd413000 - cef2c000)
- [ 0.549933] CPU PMU: Failed to parse /pmu/interrupt-affinity[0]
- [ 0.549994] hw perfevents: enabled with armv7_cortex_a8 PMU driver, 5 counters available
- [ 0.552584] futex hash table entries: 256 (order: -1, 3072 bytes)
- [ 0.552674] audit: initializing netlink subsys (disabled)
- [ 0.552768] audit: type=2000 audit(0.540:1): initialized
- [ 0.562475] VFS: Disk quotas dquot_6.6.0
- [ 0.562740] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes)
- [ 0.565660] NFS: Registering the id_resolver key type
- [ 0.565744] Key type id_resolver registered
- [ 0.565754] Key type id_legacy registered
- [ 0.565851] jffs2: version 2.2. (NAND) (SUMMARY) ? 2001-2006 Red Hat, Inc.
- [ 0.570729] NET: Registered protocol family 38
- [ 0.570821] io scheduler noop registered
- [ 0.570838] io scheduler deadline registered
- [ 0.570918] io scheduler cfq registered (default)
- [ 0.572315] pinctrl-single 44e10800.pinmux: 142 pins at pa f9e10800 size 568
- [ 0.576737] Serial: 8250/16550 driver, 10 ports, IRQ sharing enabled
- [ 0.581473] 44e09000.serial: ttyS0 at MMIO 0x44e09000 (irq = 155, base_baud = 3000000) is a 825
- [ 1.225585] console_name:ttyS;console_index:0
- [ 1.229987] console [ttyS0] enabled
- [ 1.233489] we really not attempt to ungister earlycon0
- [ 1.240738] omap_rng 48310000.rng: OMAP Random Number Generator ver. 20
- [ 1.247599] [drm] Initialized drm 1.1.0 20060810
- [ 1.252339] Error: Driver 'tfp410' is already registered, aborting...
- [ 1.272439] brd: module loaded
- [ 1.282185] loop: module loaded
- [ 1.287135] mtdoops: mtd device (mtddev=name/number) must be supplied
- [ 1.295908] e1000: Intel(R) PRO/1000 Network Driver - version 7.3.21-k8-NAPI
- [ 1.303085] e1000: Copyright (c) 1999-2006 Intel Corporation.
- [ 1.308966] e1000e: Intel(R) PRO/1000 Network Driver - 2.3.2-k
- [ 1.314826] e1000e: Copyright(c) 1999 - 2014 Intel Corporation.
- [ 1.378883] davinci_mdio 4a101000.mdio: davinci mdio revision 1.6
- [ 1.385029] davinci_mdio 4a101000.mdio: detected phy mask fffffbff
- [ 1.392268] libphy: 4a101000.mdio: probed
- [ 1.396314] davinci_mdio 4a101000.mdio: phy[10]: device 4a101000.mdio:0a, driver NatSemi DP8364
- [ 1.405865] cpsw 4a100000.ethernet: Missing slave[0] phy_id property
- [ 1.412479] cpsw 4a100000.ethernet: Detected MACID = 60:64:05:f6:61:11
- [ 1.421607] input: matrix_keypad@0 as /devices/platform/matrix_keypad@0/input/input0
- [ 1.430575] i2c /dev entries driver
- [ 1.434151] pps_ldisc: PPS line discipline registered
- [ 1.441611] omap_wdt: OMAP Watchdog Timer Rev 0x01: initial timeout 60 sec
- [ 1.449987] omap_hsmmc 48060000.mmc: Got CD GPIO
- [ 1.455482] SD_VCC: supplied by vbat
- [ 1.539568] omap-aes 53500000.aes: OMAP AES hw accel rev: 3.2
- [ 1.548274] omap-sham 53100000.sham: hw accel on OMAP rev 4.3
- [ 1.558496] remoteproc0: wkup_m3 is available
- [ 1.563196] remoteproc0: Note: remoteproc is still under development and considered experiment
- [ 1.572367] remoteproc0: THE BINARY FORMAT IS NOT YET FINALIZED, and backward compatibility is
- [ 1.583168] remoteproc0: Direct firmware load for am335x-pm-firmware.elf failed with error -2
- [ 1.599011] remoteproc0: Falling back to user helper
- [ 1.605068] davinci_evm sound: ASoC: CODEC DAI tlv320aic3x-hifi not registered
- [ 1.612678] davinci_evm sound: snd_soc_register_card failed (-517)
- [ 1.620314] oprofile: using arm/armv7
- [ 1.624200] GACT probability on
- [ 1.627474] Mirror/redirect action on
- [ 1.631249] Simple TC action Loaded
- [ 1.635734] netem: version 1.3
- [ 1.638924] u32 classifier
- [ 1.641720] mmc1: MAN_BKOPS_EN bit is not set
- [ 1.646123] input device check on
- [ 1.649855] Actions configured
- [ 1.653780] Initializing XFRM netlink socket
- [ 1.658247] NET: Registered protocol family 17
- [ 1.662859] NET: Registered protocol family 15
- [ 1.667583] NET: Registered protocol family 33
- [ 1.672156] mmc1: new high speed MMC card at address 0001
- [ 1.678187] Key type rxrpc registered
- [ 1.681998] mmcblk0: mmc1:0001 P1XXXX 3.60 GiB
- [ 1.686698] Key type rxrpc_s registered
- [ 1.690643] mmcblk0boot0: mmc1:0001 P1XXXX partition 1 16.0 MiB
- [ 1.697091] RxRPC: Registered security type 2 'rxkad'
- [ 1.702421] NET: Registered protocol family 35
- [ 1.707045] Key type dns_resolver registered
- [ 1.711484] mmcblk0boot1: mmc1:0001 P1XXXX partition 2 16.0 MiB
- [ 1.718934] mmcblk0: p1 p2
- [ 1.722037] omap_voltage_late_init: Voltage driver support not added
- [ 1.731202] cpu cpu0: of_pm_voltdm_notifier_register: Failed to get cpu0 regulator/voltdm: -517
- [ 1.740087] cpu cpu0: cpu0 clock notifier not ready, retry
- [ 1.746101] ThumbEE CPU extension supported.
- [ 1.750528] Registering SWP/SWPB emulation handler
- [ 1.779080] tps65910 0-002d: No interrupt support, no core IRQ
- [ 1.811301] tlv320aic3x-codec 0-001b: ===========================sound soc probe ok============
- [ 1.823270] omap_i2c 44e0b000.i2c: bus 0 rev0.11 at 400 kHz
- [ 1.832327] davinci_evm sound: tlv320aic3x-hifi <-> 48038000.mcasp mapping ok
- [ 1.846583] vdd_mpu: supplied by vbat
- [ 1.856575] SD_VCC: disabling
- [ 1.859728] v3_3d: disabling
- [ 1.862754] ALSA device list:
- [ 1.865738] #0: AM335x-EVMSK
- [ 1.869621] RAMDISK: gzip image found at block 0
- [ 6.567134] VFS: Mounted root (ext2 filesystem) readonly on device 1:0.
- [ 6.574354] devtmpfs: mounted
- [ 6.578017] Freeing unused kernel memory: 288K (c08c4000 - c090c000)
- [ 6.584500] be ready...
- INIT: version 2.88 booting
- Error opening /dev/fb0: No such file or directory
- Starting udev
- [ 6.958465] udevd[100]: starting version 182
- bootlogd: cannot allocate pseudo tty: No such file or directory
- [ 11.913953] random: dd urandom read with 39 bits of entropy available
- Populating dev cache
登录shell ，执行下面的命令,播放一个音频文件
root@am335x-evm:/mnt/mmcblk0p2/sound# aplay 0.wav
Playing WAVE '0.wav' : Signed 16 bit Little Endian, Rate 8000 Hz, Mono
然后aplay一直无法返回
上一个版本的硬件使用的是MCASP1的通道，调试也是通过的，本次调试硬件版本是在上一个版本的基础上调整了I2S通道，调整到MCASP0，其他基本没有变。
请问：MCASP0的配置是不是还有别的地方需要配置？
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