linux-kernel - [PATCH 27/43] input: keypad: ep93xx: add DT support for Cirrus EP93xx

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Message-Id: <20230424123522.18302-28-nikita.shubin@maquefel.me>
Date:   Mon, 24 Apr 2023 15:34:43 +0300
From:   Nikita Shubin <nikita.shubin@...uefel.me>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Arnd Bergmann <arnd@...nel.org>, Linus Walleij <linusw@...nel.org>,
        Alexander Sverdlin <alexander.sverdlin@...il.com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Lv Ruyi <lv.ruyi@....com.cn>, linux-input@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 27/43] 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@...uefel.me>
---

Notes:
    Arnd Bergmann:
    - wildcards ep93xx to something meaningful, i.e. ep9301
    - drop wrappers

 drivers/input/keyboard/ep93xx_keypad.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/input/keyboard/ep93xx_keypad.c b/drivers/input/keyboard/ep93xx_keypad.c
index 55075addcac2..bf77754fa4c7 100644
--- a/drivers/input/keyboard/ep93xx_keypad.c
+++ b/drivers/input/keyboard/ep93xx_keypad.c
@@ -20,6 +20,8 @@
 #include <linux/bits.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
+#include <linux/of.h>
+#include <linux/of_platform.h>
 #include <linux/interrupt.h>
 #include <linux/clk.h>
 #include <linux/io.h>
@@ -315,10 +317,17 @@ 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" },
+	{},
+};
+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,
-- 
2.39.2