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ARM: ux500: 8500: add pinctrl support for uart1 and uart2

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This adds pin mappings for UART1 and UART2.

Signed-off-by: Patrice Chotard <patrice.chotard@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Patrice Chotard 2012-10-25 15:30:32 +02:00 committed by Linus Walleij
parent 184a695f07
commit ad7f67c44a
1 changed files with 24 additions and 10 deletions
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34
arch/arm/mach-ux500/board-mop500-pins.c
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@ -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