input: keypad: ep93xx: add DT support for Cirrus EP93xx

- get keymap from the device tree
- find register range from the device tree
- get interrupts from device tree

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

diff --git a/drivers/input/keyboard/ep93xx_keypad.c b/drivers/input/keyboard/ep93xx_keypad.c
index 55075addcac2618b9ed49a53b150953ed2a0d0bc..3f4ae3f961b19cafd7a48dbb88bf17dc6a5537a8 100644 (file)
--- a/drivers/input/keyboard/ep93xx_keypad.c
+++ b/drivers/input/keyboard/ep93xx_keypad.c
@@ -20,6 +20,7 @@
 #include <linux/bits.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
+#include <linux/mod_devicetable.h>
 #include <linux/interrupt.h>
 #include <linux/clk.h>
 #include <linux/io.h>
@@ -315,10 +316,17 @@ static int ep93xx_keypad_remove(struct platform_device *pdev)
        return 0;
 }
 
+static const struct of_device_id ep93xx_keypad_of_ids[] = {
+       { .compatible = "cirrus,ep9301-keypad" },
+       { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, ep93xx_keypad_of_ids);
+
 static struct platform_driver ep93xx_keypad_driver = {
        .driver         = {
                .name   = "ep93xx-keypad",
                .pm     = pm_sleep_ptr(&ep93xx_keypad_pm_ops),
+               .of_match_table = ep93xx_keypad_of_ids,
        },
        .probe          = ep93xx_keypad_probe,
        .remove         = ep93xx_keypad_remove,