From ad7f67c44a74358b6104f7d6073a6891003536b8 Mon Sep 17 00:00:00 2001 From: Patrice Chotard Date: Thu, 25 Oct 2012 15:30:32 +0200 Subject: ARM: ux500: 8500: add pinctrl support for uart1 and uart2 This adds pin mappings for UART1 and UART2. Signed-off-by: Patrice Chotard Signed-off-by: Linus Walleij --- arch/arm/mach-ux500/board-mop500-pins.c | 34 +++++++++++++++++++++++---------- 1 file changed, 24 insertions(+), 10 deletions(-) (limited to 'arch/arm/mach-ux500/board-mop500-pins.c') diff --git a/arch/arm/mach-ux500/board-mop500-pins.c b/arch/arm/mach-ux500/board-mop500-pins.c index 0009ca2d5040..05102ad6e0a0 100644 --- a/arch/arm/mach-ux500/board-mop500-pins.c +++ b/arch/arm/mach-ux500/board-mop500-pins.c @@ -71,6 +71,10 @@ BIAS(in_wkup_pdis_en, PIN_SLPM_DIR_INPUT|PIN_SLPM_WAKEUP_ENABLE| PIN_SLPM_PDIS_ENABLED); BIAS(in_wkup_pdis, PIN_SLPM_DIR_INPUT|PIN_SLPM_WAKEUP_ENABLE| PIN_SLPM_PDIS_DISABLED); +BIAS(out_hi_wkup_pdis, PIN_SLPM_OUTPUT_HIGH|PIN_SLPM_WAKEUP_ENABLE| + PIN_SLPM_PDIS_DISABLED); +BIAS(out_wkup_pdis, PIN_SLPM_DIR_OUTPUT|PIN_SLPM_WAKEUP_ENABLE| + PIN_SLPM_PDIS_DISABLED); /* We use these to define hog settings that are always done on boot */ #define DB8500_MUX_HOG(group,func) \ @@ -128,7 +132,7 @@ static struct pinctrl_map __initdata mop500_family_pinmap[] = { * UART0, we do not mux in u0 here. * uart-0 pins gpio configuration should be kept intact to prevent * a glitch in tx line when the tty dev is opened. Later these pins - * are configured to uart mop500_pins_uart0 + * are configured by uart driver */ DB8500_PIN_HOG("GPIO0_AJ5", in_pu), /* CTS */ DB8500_PIN_HOG("GPIO1_AJ3", out_hi), /* RTS */ @@ -139,12 +143,18 @@ static struct pinctrl_map __initdata mop500_family_pinmap[] = { * TODO: is this used on U8500 variants and Snowball really? * The setting on GPIO31 conflicts with magnetometer use on hrefv60 */ - DB8500_MUX_HOG("u2rxtx_c_1", "u2"), - DB8500_MUX_HOG("u2ctsrts_c_1", "u2"), - DB8500_PIN_HOG("GPIO29_W2", in_pu), /* RXD */ - DB8500_PIN_HOG("GPIO30_W3", out_hi), /* TXD */ - DB8500_PIN_HOG("GPIO31_V3", in_pu), /* CTS */ - DB8500_PIN_HOG("GPIO32_V2", out_hi), /* RTS */ + /* default state for UART2 */ + DB8500_MUX("u2ctsrts_c_1", "u2", "uart2"), + DB8500_PIN("GPIO31_V3", in_pu, "uart2"), /* CTS */ + DB8500_PIN("GPIO32_V2", out_hi, "uart2"), /* RTS */ + DB8500_MUX("u2rxtx_c_1", "u2", "uart2"), + DB8500_PIN("GPIO29_W2", in_pu, "uart2"), /* RXD */ + DB8500_PIN("GPIO30_W3", out_hi, "uart2"), /* TXD */ + /* Sleep state for UART2 */ + DB8500_PIN_SLEEP("GPIO31_V3", in_wkup_pdis, "uart2"), + DB8500_PIN_SLEEP("GPIO32_V2", out_hi_wkup_pdis, "uart2"), + DB8500_PIN_SLEEP("GPIO29_W2", in_wkup_pdis, "uart2"), + DB8500_PIN_SLEEP("GPIO30_W3", out_wkup_pdis, "uart2"), /* * The following pin sets were known as "runtime pins" before being * converted to the pinctrl model. Here we model them as "default" @@ -161,6 +171,13 @@ static struct pinctrl_map __initdata mop500_family_pinmap[] = { DB8500_PIN_SLEEP("GPIO1_AJ3", slpm_out_hi_wkup_pdis, "uart0"), DB8500_PIN_SLEEP("GPIO2_AH4", slpm_in_wkup_pdis, "uart0"), DB8500_PIN_SLEEP("GPIO3_AH3", slpm_out_wkup_pdis, "uart0"), + /* Mux in UART1 after initialization */ + DB8500_MUX("u1rxtx_a_1", "u1", "uart1"), + DB8500_PIN("GPIO4_AH6", in_pu, "uart1"), /* RXD */ + DB8500_PIN("GPIO5_AG6", out_hi, "uart1"), /* TXD */ + /* Sleep state for UART1 */ + DB8500_PIN_SLEEP("GPIO4_AH6", slpm_in_wkup_pdis, "uart1"), + DB8500_PIN_SLEEP("GPIO5_AG6", slpm_out_wkup_pdis, "uart1"), /* MSP1 for ALSA codec */ DB8500_MUX("msp1txrx_a_1", "msp1", "ux500-msp-i2s.1"), DB8500_MUX("msp1_a_1", "msp1", "ux500-msp-i2s.1"), @@ -374,11 +391,8 @@ static struct pinctrl_map __initdata mop500_pinmap[] = { DB8500_PIN_HOG("GPIO217_AH12", gpio_in_pu), /* Mux in UART1 and set the pull-ups */ DB8500_MUX_HOG("u1rxtx_a_1", "u1"), - DB8500_MUX_HOG("u1ctsrts_a_1", "u1"), DB8500_PIN_HOG("GPIO4_AH6", in_pu), /* RXD */ DB8500_PIN_HOG("GPIO5_AG6", out_hi), /* TXD */ - DB8500_PIN_HOG("GPIO6_AF6", in_pu), /* CTS */ - DB8500_PIN_HOG("GPIO7_AG5", out_hi), /* RTS */ /* * Runtime stuff: make it possible to mux in the SKE keypad * and bias the pins -- cgit v1.2.3-55-g7522