linux-kernel - [PATCH 25/43] pata: cirrus: add DT support for Cirrus EP93xx

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Message-Id: <20230424123522.18302-26-nikita.shubin@maquefel.me>
Date:   Mon, 24 Apr 2023 15:34:41 +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>,
        Sergey Shtylyov <s.shtylyov@....ru>,
        Damien Le Moal <dlemoal@...nel.org>,
        linux-ide@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 25/43] pata: cirrus: add DT support for Cirrus EP93xx

- 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/ata/pata_ep93xx.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/ata/pata_ep93xx.c b/drivers/ata/pata_ep93xx.c
index 47845d920075..09c95758389e 100644
--- a/drivers/ata/pata_ep93xx.c
+++ b/drivers/ata/pata_ep93xx.c
@@ -40,6 +40,8 @@
 #include <linux/ata.h>
 #include <linux/libata.h>
 #include <linux/platform_device.h>
+#include <linux/of.h>
+#include <linux/of_platform.h>
 #include <linux/delay.h>
 #include <linux/dmaengine.h>
 #include <linux/ktime.h>
@@ -1016,9 +1018,16 @@ static int ep93xx_pata_remove(struct platform_device *pdev)
 	return 0;
 }
 
+static const struct of_device_id ep93xx_pata_of_ids[] = {
+	{ .compatible = "cirrus,ep9312-pata" },
+	{},
+};
+MODULE_DEVICE_TABLE(of, ep93xx_pata_of_ids);
+
 static struct platform_driver ep93xx_pata_platform_driver = {
 	.driver = {
 		.name = DRV_NAME,
+		.of_match_table = ep93xx_pata_of_ids,
 	},
 	.probe = ep93xx_pata_probe,
 	.remove = ep93xx_pata_remove,
-- 
2.39.2