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rtc: omap: dt support
Enhance rtc-omap driver with DT capability Signed-off-by: Afzal Mohammed <afzal@ti.com> Acked-by: Sekhar Nori <nsekhar@ti.com> Cc: Grant Likely <grant.likely@secretlab.ca> Cc: Sekhar Nori <nsekhar@ti.com> Cc: Kevin Hilman <khilman@ti.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Daniel Mack <zonque@gmail.com> Cc: Vaibhav Hiremath <hvaibhav@ti.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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17
Documentation/devicetree/bindings/rtc/rtc-omap.txt
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17
Documentation/devicetree/bindings/rtc/rtc-omap.txt
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@ -0,0 +1,17 @@
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TI Real Time Clock
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Required properties:
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- compatible: "ti,da830-rtc"
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- reg: Address range of rtc register set
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- interrupts: rtc timer, alarm interrupts in order
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- interrupt-parent: phandle for the interrupt controller
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Example:
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rtc@1c23000 {
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compatible = "ti,da830-rtc";
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reg = <0x23000 0x1000>;
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interrupts = <19
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19>;
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interrupt-parent = <&intc>;
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};
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@ -20,6 +20,8 @@
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#include <linux/rtc.h>
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#include <linux/rtc.h>
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#include <linux/bcd.h>
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#include <linux/bcd.h>
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#include <linux/platform_device.h>
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#include <linux/platform_device.h>
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#include <linux/of.h>
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#include <linux/of_device.h>
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#include <asm/io.h>
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#include <asm/io.h>
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@ -298,6 +300,8 @@ static struct rtc_class_ops omap_rtc_ops = {
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static int omap_rtc_alarm;
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static int omap_rtc_alarm;
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static int omap_rtc_timer;
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static int omap_rtc_timer;
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#define OMAP_RTC_DATA_DA830_IDX 1
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static struct platform_device_id omap_rtc_devtype[] = {
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static struct platform_device_id omap_rtc_devtype[] = {
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{
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{
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.name = DRIVER_NAME,
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.name = DRIVER_NAME,
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@ -309,12 +313,25 @@ static struct platform_device_id omap_rtc_devtype[] = {
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};
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};
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MODULE_DEVICE_TABLE(platform, omap_rtc_devtype);
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MODULE_DEVICE_TABLE(platform, omap_rtc_devtype);
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static const struct of_device_id omap_rtc_of_match[] = {
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{ .compatible = "ti,da830-rtc",
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.data = &omap_rtc_devtype[OMAP_RTC_DATA_DA830_IDX],
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},
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{},
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};
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MODULE_DEVICE_TABLE(of, omap_rtc_of_match);
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static int __init omap_rtc_probe(struct platform_device *pdev)
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static int __init omap_rtc_probe(struct platform_device *pdev)
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{
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{
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struct resource *res, *mem;
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struct resource *res, *mem;
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struct rtc_device *rtc;
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struct rtc_device *rtc;
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u8 reg, new_ctrl;
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u8 reg, new_ctrl;
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const struct platform_device_id *id_entry;
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const struct platform_device_id *id_entry;
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const struct of_device_id *of_id;
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of_id = of_match_device(omap_rtc_of_match, &pdev->dev);
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if (of_id)
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pdev->id_entry = of_id->data;
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omap_rtc_timer = platform_get_irq(pdev, 0);
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omap_rtc_timer = platform_get_irq(pdev, 0);
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if (omap_rtc_timer <= 0) {
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if (omap_rtc_timer <= 0) {
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@ -510,6 +527,7 @@ static struct platform_driver omap_rtc_driver = {
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.driver = {
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.driver = {
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.name = DRIVER_NAME,
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.name = DRIVER_NAME,
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.owner = THIS_MODULE,
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.owner = THIS_MODULE,
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.of_match_table = of_match_ptr(omap_rtc_of_match),
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},
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},
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.id_table = omap_rtc_devtype,
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.id_table = omap_rtc_devtype,
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};
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};
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