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authorByron Bradley <byron.bbradley@gmail.com>2008-02-10 22:31:09 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-02-17 10:42:06 +0000
commit59e8ce574445c5e7a65ec36f47a54803de704e96 (patch)
treed322066c320f02fa4b969027d0ecff120aca9a53 /arch
parenta0dd005d1d9f4c3beab52086f3844ef9342d1e67 (diff)
downloadop-kernel-dev-59e8ce574445c5e7a65ec36f47a54803de704e96.zip
op-kernel-dev-59e8ce574445c5e7a65ec36f47a54803de704e96.tar.gz
[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>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-orion/ts209-setup.c15
1 files changed, 15 insertions, 0 deletions
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 @@ static struct mv643xx_eth_platform_data qnap_ts209_eth_data = {
/*****************************************************************************
* 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 @@ static void __init qnap_ts209_init(void)
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);
}
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