pwm: ep93xx: add DT support for Cirrus EP93xx

- find register range from the device tree
- provide clock access via of

Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me>

diff --git a/drivers/pwm/pwm-ep93xx.c b/drivers/pwm/pwm-ep93xx.c
index c45a75e65c869ea48cb4ecde71937571e3309393..0f75feaa04efeb3f3ed0b1d8cbf03a62c8c2ad4d 100644 (file)
--- a/drivers/pwm/pwm-ep93xx.c
+++ b/drivers/pwm/pwm-ep93xx.c
@@ -17,6 +17,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/of.h>
 #include <linux/platform_device.h>
 #include <linux/slab.h>
 #include <linux/clk.h>
@@ -190,9 +191,18 @@ static int ep93xx_pwm_probe(struct platform_device *pdev)
        return 0;
 }
 
+#ifdef CONFIG_OF
+static const struct of_device_id ep93xx_pwm_of_ids[] = {
+       { .compatible = "cirrus,ep93xx-pwm" },
+       {},
+};
+MODULE_DEVICE_TABLE(of, ep93xx_pwm_of_ids);
+#endif
+
 static struct platform_driver ep93xx_pwm_driver = {
        .driver = {
                .name = "ep93xx-pwm",
+               .of_match_table = of_match_ptr(ep93xx_pwm_of_ids),
        },
        .probe = ep93xx_pwm_probe,
 };