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| author |   Byron Bradley <byron.bbradley@gmail.com> | 2008-02-10 22:31:09 +0100 |
|---|---|---|
| committer |   Russell King <rmk+kernel@arm.linux.org.uk> | 2008-02-17 10:42:06 +0000 |
| commit | 59e8ce574445c5e7a65ec36f47a54803de704e96 (patch) | |
| tree | d322066c320f02fa4b969027d0ecff120aca9a53 | |
| parent | [ARM] pxa: fix clock lookup to find specific device clocks (diff) | |
| download | linux-dev-59e8ce574445c5e7a65ec36f47a54803de704e96.tar.xz linux-dev-59e8ce574445c5e7a65ec36f47a54803de704e96.zip | |
[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>
| -rw-r--r-- | arch/arm/mach-orion/ts209-setup.c | 15 |
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 306dbcd1e37b..b8cfe6813e9d 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); } |