diff options
Diffstat (limited to 'nuttx/configs/sama5d3x-ek/include/board.h')
| -rw-r--r-- | nuttx/configs/sama5d3x-ek/include/board.h | 122 |
1 files changed, 80 insertions, 42 deletions
diff --git a/nuttx/configs/sama5d3x-ek/include/board.h b/nuttx/configs/sama5d3x-ek/include/board.h index 59d184906..8cb83570e 100644 --- a/nuttx/configs/sama5d3x-ek/include/board.h +++ b/nuttx/configs/sama5d3x-ek/include/board.h @@ -178,56 +178,88 @@ /* PWM. There are no dedicated PWM output pins available to the user for PWM * testing. Care must be taken because all PWM output pins conflict with some other - * usage of the pin by other devices: - * - * -----+---+---+----+-------------------- - * PWM PIN PER PIO CONFLICTS - * -----+---+---+----+-------------------- - * PWM0 FI B PC28 SPI1, ISI - * H B PB0 GMAC - * B PA20 LCDC, ISI - * L B PB1 GMAC - * B PA21 LCDC, ISI - * -----+---+---+----+-------------------- - * PWM1 FI B PC31 HDMI - * H B PB4 GMAC - * B PA22 LCDC, ISI - * L B PB5 GMAC - * B PE31 ISI, HDMI - * B PA23 LCDC, ISI - * -----+---+---+----+-------------------- - * PWM2 FI B PC29 UART0, ISI, HDMI - * H C PD5 HSMCI0 - * B PB8 GMAC - * L C PD6 HSMCI0 - * B PB9 GMAC - * -----+---+---+----+-------------------- - * PWM3 FI C PD16 SPI0, Audio - * H C PD7 HSMCI0 - * B PB12 GMAC - * L C PD8 HSMCI0 - * B PB13 GMAC - * -----+---+---+----+-------------------- + * usage of the pin by other devices. Furthermore, many of these pins have not been + * brought out to an external connector: + * + * -----+---+---+----+------+---------------- + * PWM PIN PER PIO I/O CONFLICTS + * -----+---+---+----+------+---------------- + * PWM0 FI B PC28 J2.30 SPI1, ISI + * H B PB0 --- GMAC + * B PA20 J1.14 LCDC, ISI + * L B PB1 --- GMAC + * B PA21 J1.16 LCDC, ISI + * -----+---+---+----+------+---------------- + * PWM1 FI B PC31 J2.36 HDMI + * H B PB4 --- GMAC + * B PA22 J1.18 LCDC, ISI + * L B PB5 --- GMAC + * B PE31 J3.20 ISI, HDMI + * B PA23 J1.20 LCDC, ISI + * -----+---+---+----+------+---------------- + * PWM2 FI B PC29 J2.29 UART0, ISI, HDMI + * H C PD5 --- HSMCI0 + * B PB8 --- GMAC + * L C PD6 --- HSMCI0 + * B PB9 --- GMAC + * -----+---+---+----+------+---------------- + * PWM3 FI C PD16 --- SPI0, Audio + * H C PD7 --- HSMCI0 + * B PB12 J3.7 GMAC + * L C PD8 --- HSMCI0 + * B PB13 --- GMAC + * -----+---+---+----+------+---------------- */ -#if !defined(CONFIG_SAMA5_GMAC) +/* PWM channel 0: + * + * PA20 and PA21 can be used if the LCDC or ISI are not selected. These outputs are + * available on J1, pins 14 and 16, respectively. + * + * If the GMAC is not selected, then PB0 and PB1 could also be used. However, + * these pins are not available at the I/O expansion connectors. + */ + +#if !defined(CONFIG_SAMA5_LCDC) && !defined(CONFIG_SAMA5_ISI) +# define PIO_PWM0_H PIO_PWM0_H_2 +# define PIO_PWM0_L PIO_PWM0_L_2 +#elif !defined(CONFIG_SAMA5_GMAC) # define PIO_PWM0_H PIO_PWM0_H_1 # define PIO_PWM0_L PIO_PWM0_L_1 -#elif !defined(CONFIG_SAMA5_LCDC) && !defined(CONFIG_SAMA5_ISI) -# define PIO_PWM0_H PIO_PWM0_H_2 -# define PIO_PWM0_L PIO_PWM0_L_3 #endif -#if !defined(CONFIG_SAMA5_GMAC) -# define PIO_PWM1_H PIO_PWM1_H_1 -# define PIO_PWM1_L PIO_PWM1_L_1 -#elif !defined(CONFIG_SAMA5_LCDC) && !defined(CONFIG_SAMA5_ISI) +/* PWM channel 1: + * + * PA22 and PA23 can be used if the LCDC or ISI are not selected. These outputs are + * available on J1, pins 18 and 20, respectively. + * + * PE31 can be used if the ISI is not selected (and the HDMI is not being used). + * That signal is available at J3 pin 20. + * + * If the GMAC is not selected, then PB4 and PB5 could also be used. However, + * these pins are not available at the I/O expansion connectors. + */ + +#if !defined(CONFIG_SAMA5_LCDC) && !defined(CONFIG_SAMA5_ISI) # define PIO_PWM1_H PIO_PWM1_H_2 +#elif !defined(CONFIG_SAMA5_GMAC) +# define PIO_PWM1_H PIO_PWM1_H_1 +#endif + +#if !defined(CONFIG_SAMA5_LCDC) && !defined(CONFIG_SAMA5_ISI) # define PIO_PWM1_L PIO_PWM1_L_3 #elif !defined(CONFIG_SAMA5_ISI) # define PIO_PWM1_L PIO_PWM1_L_2 +#elif !defined(CONFIG_SAMA5_GMAC) +# define PIO_PWM1_L PIO_PWM1_L_1 #endif +/* PWM channel 2: + * + * None of the output pin options are available at any of the I/O expansion + * connectors for PWM channel 2 + */ + #if !defined(CONFIG_SAMA5_HSMCI0) # define PIO_PWM2_H PIO_PWM2_H_1 # define PIO_PWM2_L PIO_PWM2_L_1 @@ -236,12 +268,18 @@ # define PIO_PWM2_L PIO_PWM2_L_2 #endif -#if !defined(CONFIG_SAMA5_HSMCI0) -# define PIO_PWM3_H PIO_PWM3_H_1 -# define PIO_PWM3_L PIO_PWM3_L_1 -#elif !defined(CONFIG_SAMA5_GMAC) +/* PWM channel 3: + * + * If the GMAC is not selected, then PB12 can used and is available at J3 pin 7. + * None of the other output pins are accessible at the I/O expansion connectors. + */ + +#if !defined(CONFIG_SAMA5_GMAC) # define PIO_PWM3_H PIO_PWM3_H_2 # define PIO_PWM3_L PIO_PWM3_L_2 +#elif !defined(CONFIG_SAMA5_HSMCI0) +# define PIO_PWM3_H PIO_PWM3_H_1 +# define PIO_PWM3_L PIO_PWM3_L_1 #endif /************************************************************************************ |