linux-kernel - [PATCH 15/43] pwm: ep93xx: add DT support for Cirrus EP93xx

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Message-Id: <20230424123522.18302-16-nikita.shubin@maquefel.me>
Date:   Mon, 24 Apr 2023 15:34:31 +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>,
        Thierry Reding <thierry.reding@...il.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>, linux-pwm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 15/43] 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@...uefel.me>
---

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

 drivers/pwm/pwm-ep93xx.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/pwm/pwm-ep93xx.c b/drivers/pwm/pwm-ep93xx.c
index c45a75e65c86..8bfe6cfbb3db 100644
--- 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 +191,16 @@ static int ep93xx_pwm_probe(struct platform_device *pdev)
 	return 0;
 }
 
+static const struct of_device_id ep93xx_pwm_of_ids[] = {
+	{ .compatible = "cirrus,ep9301-pwm" },
+	{},
+};
+MODULE_DEVICE_TABLE(of, ep93xx_pwm_of_ids);
+
 static struct platform_driver ep93xx_pwm_driver = {
 	.driver = {
 		.name = "ep93xx-pwm",
+		.of_match_table = ep93xx_pwm_of_ids,
 	},
 	.probe = ep93xx_pwm_probe,
 };
-- 
2.39.2