From: Ludovic Desroches ludovic.desroches@microchip.com
When a pin is muxed to a peripheral or as a GPIO, the only configuration that can be set is the pullup. It is too restrictive so this patch allows to give a full configuration.
Signed-off-by: Ludovic Desroches ludovic.desroches@microchip.com --- arch/arm/mach-at91/include/mach/atmel_pio4.h | 16 +++++------ board/atmel/sama5d27_som1_ek/sama5d27_som1_ek.c | 2 +- board/atmel/sama5d2_ptc_ek/sama5d2_ptc_ek.c | 12 ++++----- board/atmel/sama5d2_xplained/sama5d2_xplained.c | 2 +- drivers/gpio/atmel_pio4.c | 36 ++++++++++++------------- 5 files changed, 34 insertions(+), 34 deletions(-)
diff --git a/arch/arm/mach-at91/include/mach/atmel_pio4.h b/arch/arm/mach-at91/include/mach/atmel_pio4.h index 6760bec..85d9ca4 100644 --- a/arch/arm/mach-at91/include/mach/atmel_pio4.h +++ b/arch/arm/mach-at91/include/mach/atmel_pio4.h @@ -69,14 +69,14 @@ struct atmel_pio4_port { #define AT91_PIO_PORTC 0x2 #define AT91_PIO_PORTD 0x3
-int atmel_pio4_set_gpio(u32 port, u32 pin, u32 use_pullup); -int atmel_pio4_set_a_periph(u32 port, u32 pin, u32 use_pullup); -int atmel_pio4_set_b_periph(u32 port, u32 pin, u32 use_pullup); -int atmel_pio4_set_c_periph(u32 port, u32 pin, u32 use_pullup); -int atmel_pio4_set_d_periph(u32 port, u32 pin, u32 use_pullup); -int atmel_pio4_set_e_periph(u32 port, u32 pin, u32 use_pullup); -int atmel_pio4_set_f_periph(u32 port, u32 pin, u32 use_pullup); -int atmel_pio4_set_g_periph(u32 port, u32 pin, u32 use_pullup); +int atmel_pio4_set_gpio(u32 port, u32 pin, u32 config); +int atmel_pio4_set_a_periph(u32 port, u32 pin, u32 config); +int atmel_pio4_set_b_periph(u32 port, u32 pin, u32 config); +int atmel_pio4_set_c_periph(u32 port, u32 pin, u32 config); +int atmel_pio4_set_d_periph(u32 port, u32 pin, u32 config); +int atmel_pio4_set_e_periph(u32 port, u32 pin, u32 config); +int atmel_pio4_set_f_periph(u32 port, u32 pin, u32 config); +int atmel_pio4_set_g_periph(u32 port, u32 pin, u32 config); int atmel_pio4_set_pio_output(u32 port, u32 pin, u32 value); int atmel_pio4_get_pio_input(u32 port, u32 pin);
diff --git a/board/atmel/sama5d27_som1_ek/sama5d27_som1_ek.c b/board/atmel/sama5d27_som1_ek/sama5d27_som1_ek.c index 80d7725..4e3dc30 100644 --- a/board/atmel/sama5d27_som1_ek/sama5d27_som1_ek.c +++ b/board/atmel/sama5d27_som1_ek/sama5d27_som1_ek.c @@ -36,7 +36,7 @@ int board_late_init(void) #ifdef CONFIG_DEBUG_UART_BOARD_INIT static void board_uart1_hw_init(void) { - atmel_pio4_set_a_periph(AT91_PIO_PORTD, 2, 1); /* URXD1 */ + atmel_pio4_set_a_periph(AT91_PIO_PORTD, 2, ATMEL_PIO_PUEN_MASK); /* URXD1 */ atmel_pio4_set_a_periph(AT91_PIO_PORTD, 3, 0); /* UTXD1 */
at91_periph_clk_enable(ATMEL_ID_UART1); diff --git a/board/atmel/sama5d2_ptc_ek/sama5d2_ptc_ek.c b/board/atmel/sama5d2_ptc_ek/sama5d2_ptc_ek.c index 4c2e209..ed1a637 100644 --- a/board/atmel/sama5d2_ptc_ek/sama5d2_ptc_ek.c +++ b/board/atmel/sama5d2_ptc_ek/sama5d2_ptc_ek.c @@ -59,22 +59,22 @@ static void board_nand_hw_init(void) atmel_pio4_set_b_periph(AT91_PIO_PORTA, 29, 0); /* D7 */ atmel_pio4_set_b_periph(AT91_PIO_PORTB, 2, 0); /* RE */ atmel_pio4_set_b_periph(AT91_PIO_PORTA, 30, 0); /* WE */ - atmel_pio4_set_b_periph(AT91_PIO_PORTA, 31, 1); /* NCS */ - atmel_pio4_set_b_periph(AT91_PIO_PORTC, 8, 1); /* RDY */ - atmel_pio4_set_b_periph(AT91_PIO_PORTB, 0, 1); /* ALE */ - atmel_pio4_set_b_periph(AT91_PIO_PORTB, 1, 1); /* CLE */ + atmel_pio4_set_b_periph(AT91_PIO_PORTA, 31, ATMEL_PIO_PUEN_MASK); /* NCS */ + atmel_pio4_set_b_periph(AT91_PIO_PORTC, 8, ATMEL_PIO_PUEN_MASK); /* RDY */ + atmel_pio4_set_b_periph(AT91_PIO_PORTB, 0, ATMEL_PIO_PUEN_MASK); /* ALE */ + atmel_pio4_set_b_periph(AT91_PIO_PORTB, 1, ATMEL_PIO_PUEN_MASK); /* CLE */ } #endif
static void board_usb_hw_init(void) { - atmel_pio4_set_pio_output(AT91_PIO_PORTB, 12, 1); + atmel_pio4_set_pio_output(AT91_PIO_PORTB, 12, ATMEL_PIO_PUEN_MASK); }
#ifdef CONFIG_DEBUG_UART_BOARD_INIT static void board_uart0_hw_init(void) { - atmel_pio4_set_c_periph(AT91_PIO_PORTB, 26, 1); /* URXD0 */ + atmel_pio4_set_c_periph(AT91_PIO_PORTB, 26, ATMEL_PIO_PUEN_MASK); /* URXD0 */ atmel_pio4_set_c_periph(AT91_PIO_PORTB, 27, 0); /* UTXD0 */
at91_periph_clk_enable(ATMEL_ID_UART0); diff --git a/board/atmel/sama5d2_xplained/sama5d2_xplained.c b/board/atmel/sama5d2_xplained/sama5d2_xplained.c index 778142a..0fac636 100644 --- a/board/atmel/sama5d2_xplained/sama5d2_xplained.c +++ b/board/atmel/sama5d2_xplained/sama5d2_xplained.c @@ -36,7 +36,7 @@ int board_late_init(void) #ifdef CONFIG_DEBUG_UART_BOARD_INIT static void board_uart1_hw_init(void) { - atmel_pio4_set_a_periph(AT91_PIO_PORTD, 2, 1); /* URXD1 */ + atmel_pio4_set_a_periph(AT91_PIO_PORTD, 2, ATMEL_PIO_PUEN_MASK); /* URXD1 */ atmel_pio4_set_a_periph(AT91_PIO_PORTD, 3, 0); /* UTXD1 */
at91_periph_clk_enable(ATMEL_ID_UART1); diff --git a/drivers/gpio/atmel_pio4.c b/drivers/gpio/atmel_pio4.c index 30bc429..be4394c 100644 --- a/drivers/gpio/atmel_pio4.c +++ b/drivers/gpio/atmel_pio4.c @@ -44,7 +44,7 @@ static struct atmel_pio4_port *atmel_pio4_port_base(u32 port) }
static int atmel_pio4_config_io_func(u32 port, u32 pin, - u32 func, u32 use_pullup) + u32 func, u32 config) { struct atmel_pio4_port *port_base; u32 reg, mask; @@ -58,7 +58,7 @@ static int atmel_pio4_config_io_func(u32 port, u32 pin,
mask = 1 << pin; reg = func; - reg |= use_pullup ? ATMEL_PIO_PUEN_MASK : 0; + reg |= config;
writel(mask, &port_base->mskr); writel(reg, &port_base->cfgr); @@ -66,60 +66,60 @@ static int atmel_pio4_config_io_func(u32 port, u32 pin, return 0; }
-int atmel_pio4_set_gpio(u32 port, u32 pin, u32 use_pullup) +int atmel_pio4_set_gpio(u32 port, u32 pin, u32 config) { return atmel_pio4_config_io_func(port, pin, ATMEL_PIO_CFGR_FUNC_GPIO, - use_pullup); + config); }
-int atmel_pio4_set_a_periph(u32 port, u32 pin, u32 use_pullup) +int atmel_pio4_set_a_periph(u32 port, u32 pin, u32 config) { return atmel_pio4_config_io_func(port, pin, ATMEL_PIO_CFGR_FUNC_PERIPH_A, - use_pullup); + config); }
-int atmel_pio4_set_b_periph(u32 port, u32 pin, u32 use_pullup) +int atmel_pio4_set_b_periph(u32 port, u32 pin, u32 config) { return atmel_pio4_config_io_func(port, pin, ATMEL_PIO_CFGR_FUNC_PERIPH_B, - use_pullup); + config); }
-int atmel_pio4_set_c_periph(u32 port, u32 pin, u32 use_pullup) +int atmel_pio4_set_c_periph(u32 port, u32 pin, u32 config) { return atmel_pio4_config_io_func(port, pin, ATMEL_PIO_CFGR_FUNC_PERIPH_C, - use_pullup); + config); }
-int atmel_pio4_set_d_periph(u32 port, u32 pin, u32 use_pullup) +int atmel_pio4_set_d_periph(u32 port, u32 pin, u32 config) { return atmel_pio4_config_io_func(port, pin, ATMEL_PIO_CFGR_FUNC_PERIPH_D, - use_pullup); + config); }
-int atmel_pio4_set_e_periph(u32 port, u32 pin, u32 use_pullup) +int atmel_pio4_set_e_periph(u32 port, u32 pin, u32 config) { return atmel_pio4_config_io_func(port, pin, ATMEL_PIO_CFGR_FUNC_PERIPH_E, - use_pullup); + config); }
-int atmel_pio4_set_f_periph(u32 port, u32 pin, u32 use_pullup) +int atmel_pio4_set_f_periph(u32 port, u32 pin, u32 config) { return atmel_pio4_config_io_func(port, pin, ATMEL_PIO_CFGR_FUNC_PERIPH_F, - use_pullup); + config); }
-int atmel_pio4_set_g_periph(u32 port, u32 pin, u32 use_pullup) +int atmel_pio4_set_g_periph(u32 port, u32 pin, u32 config) { return atmel_pio4_config_io_func(port, pin, ATMEL_PIO_CFGR_FUNC_PERIPH_G, - use_pullup); + config); }
int atmel_pio4_set_pio_output(u32 port, u32 pin, u32 value)