diff options
Diffstat (limited to 'nuttx/configs/sama5d4-ek/include/board.h')
| -rw-r--r-- | nuttx/configs/sama5d4-ek/include/board.h | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/nuttx/configs/sama5d4-ek/include/board.h b/nuttx/configs/sama5d4-ek/include/board.h index 9f3b8abef..b1507a5d6 100644 --- a/nuttx/configs/sama5d4-ek/include/board.h +++ b/nuttx/configs/sama5d4-ek/include/board.h @@ -243,11 +243,26 @@ #define PIO_SSC0_TD PIO_SSC0_TD_2 -/* PCK0 is provided to the WM8904 audio CODEC via PB26 */ +/* PCK2 is provides the MCLK to the WM8904 audio CODEC via PB10 */ -#ifdef CONFIG_AUDIO_WM8904 -# define PIO_PMC_PCK0 PIO_PMC_PCK0_1 -#endif +#define PIO_PMC_PCK2 PIO_PMC_PCK2_1 + +/* PCK0 and PCK1 are not currently used, but the PCK logic wants these definitions + * anyway. The assignments here are arbitrary and will not be used (at least not + * until we implement ISI of HDMI). + * + * PIO_PMC_PCK0_1: PB26 is used by I2S with the WM8904 (AUDIO_RK0_PB26) + * PIO_PMC_PCK0_2: PD8 is the HDMI MCLK (HDMI_MCK_PD8) + * PIO_PMC_PCK0_3: PA24 is used for the LCD backlight (LCD_PWM_PA24) + * + * PIO_PMC_PCK1_1: PD31 goes to the expansion interface and is not used on-board + * (EXP_PD31). + * PIO_PMC_PCK1_2: PC24 is used for ISI data (ISI_D5) + * PIO_PMC_PCK1_3: PC4 is ISI_MCK_PC4, MCI0_CK_PC4, EXP_PC4 + */ + +#define PIO_PMC_PCK0 PIO_PMC_PCK0_2 +#define PIO_PMC_PCK1 PIO_PMC_PCK1_1 /************************************************************************************ * Assembly Language Macros |