@@ -45,6 +45,10 @@ BIAS(gpio_in_pu_slpm_gpio_nopull, PIN_INPUT_PULLUP|PIN_GPIOMODE_ENABLED|PIN_SLPM
BIAS(gpio_in_pd_slpm_gpio_nopull, PIN_INPUT_PULLDOWN|PIN_GPIOMODE_ENABLED|PIN_SLPM_GPIO|PIN_SLPM_INPUT_NOPULL);
BIAS(gpio_out_hi, PIN_OUTPUT_HIGH|PIN_GPIOMODE_ENABLED);
BIAS(gpio_out_lo, PIN_OUTPUT_LOW|PIN_GPIOMODE_ENABLED);
+/* Sleep modes */
+BIAS(sleep_in_wkup_pdis, PIN_SLPM_DIR_INPUT|PIN_SLPM_WAKEUP_ENABLE|PIN_SLPM_PDIS_DISABLED);
+BIAS(sleep_out_hi_wkup_pdis, PIN_SLPM_OUTPUT_HIGH|PIN_SLPM_WAKEUP_ENABLE|PIN_SLPM_PDIS_DISABLED);
+BIAS(sleep_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) \
@@ -58,6 +62,10 @@ BIAS(gpio_out_lo, PIN_OUTPUT_LOW|PIN_GPIOMODE_ENABLED);
#define DB8500_PIN(pin,conf,dev) \
PIN_MAP_CONFIGS_PIN_DEFAULT(dev, "pinctrl-db8500", pin, conf)
+#define DB8500_PIN_SLEEP(pin,conf,dev) \
+ PIN_MAP_CONFIGS_PIN(dev, PINCTRL_STATE_SLEEP, "pinctrl-db8500", \
+ pin, conf)
+
/* Pin control settings */
static struct pinctrl_map __initdata mop500_family_pinmap[] = {
/*
@@ -115,6 +123,17 @@ static struct pinctrl_map __initdata mop500_family_pinmap[] = {
* converted to the pinctrl model. Here we model them as "default"
* states.
*/
+ /* Mux in UART0 after initialization */
+ DB8500_MUX("u0_a_1", "u0", "uart0"),
+ DB8500_PIN("GPIO0_AJ5", in_pu, "uart0"), /* CTS */
+ DB8500_PIN("GPIO1_AJ3", out_hi, "uart0"), /* RTS */
+ DB8500_PIN("GPIO2_AH4", in_pu, "uart0"), /* RXD */
+ DB8500_PIN("GPIO3_AH3", out_hi, "uart0"), /* TXD */
+ /* Sleep state for UART0 */
+ DB8500_PIN_SLEEP("GPIO0_AJ5", sleep_in_wkup_pdis, "uart0"),
+ DB8500_PIN_SLEEP("GPIO1_AJ3", sleep_out_hi_wkup_pdis, "uart0"),
+ DB8500_PIN_SLEEP("GPIO2_AH4", sleep_in_wkup_pdis, "uart0"),
+ DB8500_PIN_SLEEP("GPIO3_AH3", sleep_out_wkup_pdis, "uart0"),
/* Mux in LCD data lines 8 thru 11 and LCDA CLK for MCDE TVOUT */
DB8500_MUX("lcd_d8_d11_a_1", "lcd", "mcde-tvout"),
DB8500_MUX("lcdaclk_b_1", "lcda", "mcde-tvout"),
@@ -30,18 +30,17 @@
#include <linux/smsc911x.h>
#include <linux/gpio_keys.h>
#include <linux/delay.h>
-
#include <linux/of.h>
#include <linux/of_platform.h>
-
#include <linux/leds.h>
+#include <linux/pinctrl/consumer.h>
+
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/hardware/gic.h>
#include <plat/i2c.h>
#include <plat/ste_dma40.h>
-#include <plat/pincfg.h>
#include <plat/gpio-nomadik.h>
#include <mach/hardware.h>
@@ -49,7 +48,6 @@
#include <mach/devices.h>
#include <mach/irqs.h>
-#include "pins-db8500.h"
#include "ste-dma40-db8500.h"
#include "devices-db8500.h"
#include "board-mop500.h"
@@ -522,14 +520,6 @@ static struct stedma40_chan_cfg uart2_dma_cfg_tx = {
};
#endif
-
-static pin_cfg_t mop500_pins_uart0[] = {
- GPIO0_U0_CTSn | PIN_INPUT_PULLUP,
- GPIO1_U0_RTSn | PIN_OUTPUT_HIGH,
- GPIO2_U0_RXD | PIN_INPUT_PULLUP,
- GPIO3_U0_TXD | PIN_OUTPUT_HIGH,
-};
-
#define PRCC_K_SOFTRST_SET 0x18
#define PRCC_K_SOFTRST_CLEAR 0x1C
static void ux500_uart0_reset(void)
@@ -550,24 +540,33 @@ static void ux500_uart0_reset(void)
udelay(1);
}
+/* This needs to be referenced by callbacks */
+struct pinctrl *u0_p;
+struct pinctrl_state *u0_def;
+struct pinctrl_state *u0_sleep;
+
static void ux500_uart0_init(void)
{
int ret;
- ret = nmk_config_pins(mop500_pins_uart0,
- ARRAY_SIZE(mop500_pins_uart0));
- if (ret < 0)
- pr_err("pl011: uart pins_enable failed\n");
+ if (IS_ERR(u0_p) || IS_ERR(u0_def))
+ return;
+
+ ret = pinctrl_select_state(u0_p, u0_def);
+ if (ret)
+ pr_err("could not set UART0 defstate\n");
}
static void ux500_uart0_exit(void)
{
int ret;
- ret = nmk_config_pins_sleep(mop500_pins_uart0,
- ARRAY_SIZE(mop500_pins_uart0));
- if (ret < 0)
- pr_err("pl011: uart pins_disable failed\n");
+ if (IS_ERR(u0_p) || IS_ERR(u0_sleep))
+ return;
+
+ ret = pinctrl_select_state(u0_p, u0_sleep);
+ if (ret)
+ pr_err("could not set UART0 idlestate\n");
}
static struct amba_pl011_data uart0_plat = {
@@ -599,7 +598,28 @@ static struct amba_pl011_data uart2_plat = {
static void __init mop500_uart_init(struct device *parent)
{
- db8500_add_uart0(parent, &uart0_plat);
+ struct amba_device *uart0_device;
+
+ uart0_device = db8500_add_uart0(parent, &uart0_plat);
+ if (uart0_device) {
+ u0_p = pinctrl_get(&uart0_device->dev);
+ if (IS_ERR(u0_p))
+ dev_err(&uart0_device->dev,
+ "could not get UART0 pinctrl\n");
+ else {
+ u0_def = pinctrl_lookup_state(u0_p,
+ PINCTRL_STATE_DEFAULT);
+ if (IS_ERR(u0_def)) {
+ dev_err(&uart0_device->dev,
+ "could not get UART0 defstate\n");
+ }
+ u0_sleep = pinctrl_lookup_state(u0_p,
+ PINCTRL_STATE_SLEEP);
+ if (IS_ERR(u0_sleep))
+ dev_err(&uart0_device->dev,
+ "could not get UART0 idlestate\n");
+ }
+ }
db8500_add_uart1(parent, &uart1_plat);
db8500_add_uart2(parent, &uart2_plat);
}