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-rw-r--r--drivers/soc/renesas/Kconfig4
-rw-r--r--drivers/soc/ti/pm33xx.c1
-rw-r--r--drivers/tty/serial/Kconfig1
-rw-r--r--drivers/tty/serial/sa1100.c46
4 files changed, 47 insertions, 5 deletions
diff --git a/drivers/soc/renesas/Kconfig b/drivers/soc/renesas/Kconfig
index 68bfca6f20dd..2bbf49e5d441 100644
--- a/drivers/soc/renesas/Kconfig
+++ b/drivers/soc/renesas/Kconfig
@@ -57,14 +57,16 @@ config ARCH_R7S72100
bool "RZ/A1H (R7S72100)"
select PM
select PM_GENERIC_DOMAINS
- select SYS_SUPPORTS_SH_MTU2
select RENESAS_OSTM
+ select RENESAS_RZA1_IRQC
+ select SYS_SUPPORTS_SH_MTU2
config ARCH_R7S9210
bool "RZ/A2 (R7S9210)"
select PM
select PM_GENERIC_DOMAINS
select RENESAS_OSTM
+ select RENESAS_RZA1_IRQC
config ARCH_R8A73A4
bool "R-Mobile APE6 (R8A73A40)"
diff --git a/drivers/soc/ti/pm33xx.c b/drivers/soc/ti/pm33xx.c
index fc5802ccb1c0..bb77c220b6f8 100644
--- a/drivers/soc/ti/pm33xx.c
+++ b/drivers/soc/ti/pm33xx.c
@@ -178,6 +178,7 @@ static int am33xx_pm_suspend(suspend_state_t suspend_state)
suspend_wfi_flags);
suspend_wfi_flags &= ~WFI_FLAG_RTC_ONLY;
+ dev_info(pm33xx_dev, "Entering RTC Only mode with DDR in self-refresh\n");
if (!ret) {
clk_restore_context();
diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 04c23951b831..fd385c8c53a5 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -497,6 +497,7 @@ config SERIAL_SA1100
bool "SA1100 serial port support"
depends on ARCH_SA1100
select SERIAL_CORE
+ select SERIAL_MCTRL_GPIO if GPIOLIB
help
If you have a machine based on a SA1100/SA1110 StrongARM(R) CPU you
can enable its onboard serial port by enabling this option.
diff --git a/drivers/tty/serial/sa1100.c b/drivers/tty/serial/sa1100.c
index a399772be3fc..8e618129e65c 100644
--- a/drivers/tty/serial/sa1100.c
+++ b/drivers/tty/serial/sa1100.c
@@ -28,6 +28,8 @@
#include <mach/hardware.h>
#include <mach/irqs.h>
+#include "serial_mctrl_gpio.h"
+
/* We've been assigned a range on the "Low-density serial ports" major */
#define SERIAL_SA1100_MAJOR 204
#define MINOR_START 5
@@ -77,6 +79,7 @@ struct sa1100_port {
struct uart_port port;
struct timer_list timer;
unsigned int old_status;
+ struct mctrl_gpios *gpios;
};
/*
@@ -174,6 +177,8 @@ static void sa1100_enable_ms(struct uart_port *port)
container_of(port, struct sa1100_port, port);
mod_timer(&sport->timer, jiffies);
+
+ mctrl_gpio_enable_ms(sport->gpios);
}
static void
@@ -322,11 +327,21 @@ static unsigned int sa1100_tx_empty(struct uart_port *port)
static unsigned int sa1100_get_mctrl(struct uart_port *port)
{
- return TIOCM_CTS | TIOCM_DSR | TIOCM_CAR;
+ struct sa1100_port *sport =
+ container_of(port, struct sa1100_port, port);
+ int ret = TIOCM_CTS | TIOCM_DSR | TIOCM_CAR;
+
+ mctrl_gpio_get(sport->gpios, &ret);
+
+ return ret;
}
static void sa1100_set_mctrl(struct uart_port *port, unsigned int mctrl)
{
+ struct sa1100_port *sport =
+ container_of(port, struct sa1100_port, port);
+
+ mctrl_gpio_set(sport->gpios, mctrl);
}
/*
@@ -842,6 +857,31 @@ static int sa1100_serial_resume(struct platform_device *dev)
return 0;
}
+static int sa1100_serial_add_one_port(struct sa1100_port *sport, struct platform_device *dev)
+{
+ sport->port.dev = &dev->dev;
+
+ // mctrl_gpio_init() requires that the GPIO driver supports interrupts,
+ // but we need to support GPIO drivers for hardware that has no such
+ // interrupts. Use mctrl_gpio_init_noauto() instead.
+ sport->gpios = mctrl_gpio_init_noauto(sport->port.dev, 0);
+ if (IS_ERR(sport->gpios)) {
+ int err = PTR_ERR(sport->gpios);
+
+ dev_err(sport->port.dev, "failed to get mctrl gpios: %d\n",
+ err);
+
+ if (err == -EPROBE_DEFER)
+ return err;
+
+ sport->gpios = NULL;
+ }
+
+ platform_set_drvdata(dev, sport);
+
+ return uart_add_one_port(&sa1100_reg, &sport->port);
+}
+
static int sa1100_serial_probe(struct platform_device *dev)
{
struct resource *res = dev->resource;
@@ -856,9 +896,7 @@ static int sa1100_serial_probe(struct platform_device *dev)
if (sa1100_ports[i].port.mapbase != res->start)
continue;
- sa1100_ports[i].port.dev = &dev->dev;
- uart_add_one_port(&sa1100_reg, &sa1100_ports[i].port);
- platform_set_drvdata(dev, &sa1100_ports[i]);
+ sa1100_serial_add_one_port(&sa1100_ports[i], dev);
break;
}
}