diff options
| author | Peng Ma <peng.ma@nxp.com> | 2020-03-18 10:53:54 +0800 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2020-03-23 09:26:47 +0100 |
| commit | 929a3270488956316214d70cd4e2ba3fa56ffe31 (patch) | |
| tree | cdbf3ed035c3d6a56c4ed450297848c03871ad1a /drivers/rtc/rtc-fsl-ftm-alarm.c | |
| parent | fdc9f0eace99b288d5ef5cc7489699bf7b2d9e36 (diff) | |
| download | linux-929a3270488956316214d70cd4e2ba3fa56ffe31.tar.gz | |
rtc: fsl-ftm-alarm: enable acpi support
This patch enables ACPI support in Rtc Flex timer driver.
Signed-off-by: Peng Ma <peng.ma@nxp.com>
Link: https://lore.kernel.org/r/20200318025354.6447-1-peng.ma@nxp.com
Link: https://lore.kernel.org/r/20200323072956.38263-1-peng.ma@nxp.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/rtc/rtc-fsl-ftm-alarm.c')
| -rw-r--r-- | drivers/rtc/rtc-fsl-ftm-alarm.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/drivers/rtc/rtc-fsl-ftm-alarm.c b/drivers/rtc/rtc-fsl-ftm-alarm.c index 9e6e994cce99f..0f4142b35f388 100644 --- a/drivers/rtc/rtc-fsl-ftm-alarm.c +++ b/drivers/rtc/rtc-fsl-ftm-alarm.c @@ -20,6 +20,7 @@ #include <linux/fsl/ftm.h> #include <linux/rtc.h> #include <linux/time.h> +#include <linux/acpi.h> #define FTM_SC_CLK(c) ((c) << FTM_SC_CLK_MASK_SHIFT) @@ -242,7 +243,6 @@ static const struct rtc_class_ops ftm_rtc_ops = { static int ftm_rtc_probe(struct platform_device *pdev) { - struct device_node *np = pdev->dev.of_node; int irq; int ret; struct ftm_rtc *rtc; @@ -265,10 +265,10 @@ static int ftm_rtc_probe(struct platform_device *pdev) return PTR_ERR(rtc->base); } - irq = irq_of_parse_and_map(np, 0); - if (irq <= 0) { - dev_err(&pdev->dev, "unable to get IRQ from DT, %d\n", irq); - return -EINVAL; + irq = platform_get_irq(pdev, 0); + if (irq < 0) { + dev_err(&pdev->dev, "can't get irq number\n"); + return irq; } ret = devm_request_irq(&pdev->dev, irq, ftm_rtc_alarm_interrupt, @@ -278,7 +278,9 @@ static int ftm_rtc_probe(struct platform_device *pdev) return ret; } - rtc->big_endian = of_property_read_bool(np, "big-endian"); + rtc->big_endian = + device_property_read_bool(&pdev->dev, "big-endian"); + rtc->alarm_freq = (u32)FIXED_FREQ_CLK / (u32)MAX_FREQ_DIV; rtc->rtc_dev->ops = &ftm_rtc_ops; @@ -305,11 +307,18 @@ static const struct of_device_id ftm_rtc_match[] = { { }, }; +static const struct acpi_device_id ftm_imx_acpi_ids[] = { + {"NXP0011",}, + { } +}; +MODULE_DEVICE_TABLE(acpi, ftm_imx_acpi_ids); + static struct platform_driver ftm_rtc_driver = { .probe = ftm_rtc_probe, .driver = { .name = "ftm-alarm", .of_match_table = ftm_rtc_match, + .acpi_match_table = ACPI_PTR(ftm_imx_acpi_ids), }, }; |