Messages in this thread Patch in this message | | | From | Roland Stigge <> | Subject | [PATCH 2/2] rtc-imxdi: Add devicetree support | Date | Tue, 16 Oct 2012 16:51:35 +0200 |
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This patch adds device tree support to the rtc-imxdi driver.
Signed-off-by: Roland Stigge <stigge@antcom.de> --- Documentation/devicetree/bindings/rtc/imxdi-rtc.txt | 17 +++++++++++++++++ drivers/rtc/rtc-imxdi.c | 11 +++++++++++ 2 files changed, 28 insertions(+)
--- /dev/null +++ linux-2.6/Documentation/devicetree/bindings/rtc/imxdi-rtc.txt @@ -0,0 +1,17 @@ +* i.MX25 Real Time Clock controller + +This binding supports the following chips: i.MX25, i.MX53 + +Required properties: +- compatible: should be: "fsl,imx25-rtc" +- reg: physical base address of the controller and length of memory mapped + region. +- interrupts: rtc alarm interrupt + +Example: + +rtc@80056000 { + compatible = "fsl,imx53-rtc", "fsl,imx25-rtc"; + reg = <0x80056000 2000>; + interrupts = <29>; +}; --- linux-2.6.orig/drivers/rtc/rtc-imxdi.c +++ linux-2.6/drivers/rtc/rtc-imxdi.c @@ -37,6 +37,7 @@ #include <linux/rtc.h> #include <linux/sched.h> #include <linux/workqueue.h> +#include <linux/of.h> #include <mach/hardware.h> /* DryIce Register Definitions */ @@ -500,10 +501,20 @@ static int __devexit dryice_rtc_remove(s return 0; } +#ifdef CONFIG_OF +static const struct of_device_id dryice_dt_ids[] = { + { .compatible = "fsl,imx25-rtc" }, + { /* sentinel */ } +}; + +MODULE_DEVICE_TABLE(of, dryice_dt_ids); +#endif + static struct platform_driver dryice_rtc_driver = { .driver = { .name = "imxdi_rtc", .owner = THIS_MODULE, + .of_match_table = of_match_ptr(dryice_dt_ids), }, .remove = __devexit_p(dryice_rtc_remove), };
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