[7/9] ARM: ux500: 8500: add pinctrl support for uart1 and uart2

Commit Message

Linus Walleij Nov. 6, 2012, 1:15 p.m. UTC

From: Patrice Chotard <[e-mail]>

This adds pin mappings for UART1 and UART2.

Signed-off-by: Patrice Chotard <[e-mail]>
Signed-off-by: Linus Walleij <[e-mail]>
---
 arch/arm/mach-ux500/board-mop500-pins.c | 34 +++++++++++++++++++++++----------
 1 file changed, 24 insertions(+), 10 deletions(-)

Patch

diff --git a/arch/arm/mach-ux500/board-mop500-pins.c b/arch/arm/mach-ux500/board-mop500-pins.c
index 0009ca2..05102ad 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