[ARM] 4826/1: Orion: Register the RTC interrupt on the TS-209
The QNAP TS-209 has its RTC interrupt on GPIO 3. Setup this
as an interrupt and pass it to the i2c_board_info.
Signed-off-by: Byron Bradley <byron.bbradley@gmail.com>
Acked-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-orion/ts209-setup.c b/arch/arm/mach-orion/ts209-setup.c
index 306dbcd..b8cfe68 100644
--- a/arch/arm/mach-orion/ts209-setup.c
+++ b/arch/arm/mach-orion/ts209-setup.c
@@ -192,9 +192,13 @@
/*****************************************************************************
* RTC S35390A on I2C bus
****************************************************************************/
+
+#define TS209_RTC_GPIO 3
+
static struct i2c_board_info __initdata qnap_ts209_i2c_rtc = {
.driver_name = "rtc-s35390a",
.addr = 0x30,
+ .irq = 0,
};
/****************************************************************************
@@ -328,7 +332,18 @@
platform_add_devices(qnap_ts209_devices,
ARRAY_SIZE(qnap_ts209_devices));
+
+ /* Get RTC IRQ and register the chip */
+ if (gpio_request(TS209_RTC_GPIO, "rtc") == 0) {
+ if (gpio_direction_input(TS209_RTC_GPIO) == 0)
+ qnap_ts209_i2c_rtc.irq = gpio_to_irq(TS209_RTC_GPIO);
+ else
+ gpio_free(TS209_RTC_GPIO);
+ }
+ if (qnap_ts209_i2c_rtc.irq == 0)
+ pr_warning("qnap_ts209_init: failed to get RTC IRQ\n");
i2c_register_board_info(0, &qnap_ts209_i2c_rtc, 1);
+
orion_eth_init(&qnap_ts209_eth_data);
orion_sata_init(&qnap_ts209_sata_data);
}