diff options
| -rw-r--r-- | nuttx/configs/sama5d4-ek/README.txt | 29 | ||||
| -rw-r--r-- | nuttx/configs/sama5d4-ek/src/sama5d4-ek.h | 29 |
2 files changed, 58 insertions, 0 deletions
diff --git a/nuttx/configs/sama5d4-ek/README.txt b/nuttx/configs/sama5d4-ek/README.txt index 1bb48696d..9279ceaa6 100644 --- a/nuttx/configs/sama5d4-ek/README.txt +++ b/nuttx/configs/sama5d4-ek/README.txt @@ -92,6 +92,7 @@ Contents - Watchdog Timer - TRNG and /dev/random - I2S Audio Support + - WM8904 Support - TM7000 LCD/Touchscreen - SAMA4D4-EK Configuration Options - Configurations @@ -2799,6 +2800,26 @@ I2S Audio Support Library Routines CONFIG_SCHED_WORKQUEUE=y : Driver needs work queue support +WM8904 Support +============== + + SAMA5D4 Interface + ---- ------------------ ---------------- ---------- --------------------------------------- + PIO USAGE BOARD SIGNAL WM8904 PIN NOTE + ---- ------------------ ---------------- ---------- --------------------------------------- + PA30 TWD0 AUDIO_TWD0_PA30 SDA Pulled up, See J23 note below + PA31 TWCK0 AUDIO_TWCK0_PA31 SCLK Pulled up + PB10 AUDIO_PCK2/EXP AUDIO_PCK2_PB10 MCLK + PB27 AUDIO/HDMI_TK0/EXP AUDIO_TK0_PB27 BCLK/GPIO4 Note TK0 and RK0 are mutually exclusive + PB26 AUDIO_RK0 AUDIO_RK0_PB26 " "/" " " " " " " " " " " " " " " " + PB30 AUDIO_RF/ZIG_TWCK2 AUDIO_RF0_PB30 LRCLK Note TF0 and RF0 are mutually exclusive + PB31 AUDIO/HDMI_TF0/EXP AUDIO_TF0_PB31 " " " " " " " " " " " " " " " " + PB29 AUDIO_RD0/ZIG_TWD2 AUDIO_RD0_PB29 ADCDAT + PB28 AUDIO/HDMI_TD0/EXP AUDIO_TD0_PB28 ACDAT + PE4 AUDIO_IRQ AUDIO_IRQ_PE4 IRQ/GPIO1 Audio interrupt + ---- ------------------ ---------------- ---------- --------------------------------------- + Note that jumper J23 must be closed to connect AUDIO_TWD0_PA30 + TM7000 LCD/Touchscreen ====================== @@ -3480,6 +3501,14 @@ Configurations If you don't plan on using the debug features, then by all means disable this feature and save 16KiB of RAM! + NOTE: There is an issue with capturing data in the RAMLOG: If + the system crashes, all of the crash dump information will into + the RAMLOG and you will be unable to access it! You can tell that + the system has crashed because (a) it will be unresponsive and (b) + the RED LED will be blinking at about 2Hz. + + That is another good reason to disable the RAMLOG! + 5. This configuration executes out of SDRAM flash and is loaded into SDRAM from NAND, Serial DataFlash, SD card or from a TFTPC sever via U-Boot, BareBox, or the DRAMBOOT configuration described above. Data diff --git a/nuttx/configs/sama5d4-ek/src/sama5d4-ek.h b/nuttx/configs/sama5d4-ek/src/sama5d4-ek.h index 8fc867f30..c539202af 100644 --- a/nuttx/configs/sama5d4-ek/src/sama5d4-ek.h +++ b/nuttx/configs/sama5d4-ek/src/sama5d4-ek.h @@ -620,6 +620,35 @@ #endif #endif +/* WM8904 Audio Codec ***************************************************************/ +/* SAMA5D4 Interface + * ---- ------------------ ---------------- ---------- ------------------------------ + * PIO USAGE BOARD SIGNAL WM8904 PIN NOTE + * ---- ------------------ ---------------- ---------- ------------------------------ + * PA30 TWD0 AUDIO_TWD0_PA30 SDA Pulled up, See J23 note below + * PA31 TWCK0 AUDIO_TWCK0_PA31 SCLK Pulled up + * PB10 AUDIO_PCK2/EXP AUDIO_PCK2_PB10 MCLK + * PB27 AUDIO/HDMI_TK0/EXP AUDIO_TK0_PB27 BCLK/GPIO4 TK0/RK0 are mutually exclusive + * PB26 AUDIO_RK0 AUDIO_RK0_PB26 " "/" " " "/" " " " " " " " + * PB30 AUDIO_RF/ZIG_TWCK2 AUDIO_RF0_PB30 LRCLK TF0/RF0 are mutually exclusive + * PB31 AUDIO/HDMI_TF0/EXP AUDIO_TF0_PB31 " " " "/" " " " " " " " + * PB29 AUDIO_RD0/ZIG_TWD2 AUDIO_RD0_PB29 ADCDAT + * PB28 AUDIO/HDMI_TD0/EXP AUDIO_TD0_PB28 ACDAT + * PE4 AUDIO_IRQ AUDIO_IRQ_PE4 IRQ/GPIO1 Audio interrupt + * ---- ------------------ ---------------- ---------- ------------------------------ + * Note that jumper J23 must be closed to connect AUDIO_TWD0_PA30 + */ + +/* Pin Disambiguation */ + +#define PIO_SSC0_TD PIO_SSC0_TD_2 + +/* Audio Interrupt */ + +#define PIO_INT_WM8904 (PIO_INPUT | PIO_CFG_PULLUP | PIO_CFG_DEGLITCH | \ + PIO_INT_BOTHEDGES | PIO_PORT_PIOE | PIO_PIN4) +#define IRQ_INT_WM8904 SAM_IRQ_PE4 + /* SPI Chip Selects *****************************************************************/ /* The SAMA5D4-EK includes an Atmel AT25DF321A, 32-megabit, 2.7-volt SPI serial * FLASH on board. The connection is as follows: |