linux-kernel - [PATCH 1/1] usb: typec: ucsi

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Message-ID: <20220928125227.3045703-1-waynec@nvidia.com>
Date:   Wed, 28 Sep 2022 20:52:27 +0800
From:   Wayne Chang <waynec@...dia.com>
To:     <heikki.krogerus@...ux.intel.com>, <gregkh@...uxfoundation.org>
CC:     <waynec@...dia.com>, <Sanket.Goswami@....com>,
        <singhanc@...dia.com>, <linux-usb@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH 1/1] usb: typec: ucsi_ccg: Add OF support

The change enables the device tree infrastructure support on Cypress
cypd4226.

Signed-off-by: Wayne Chang <waynec@...dia.com>
---
 drivers/usb/typec/ucsi/ucsi_ccg.c | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/typec/ucsi/ucsi_ccg.c b/drivers/usb/typec/ucsi/ucsi_ccg.c
index 5c0bf48be766..36442508bc37 100644
--- a/drivers/usb/typec/ucsi/ucsi_ccg.c
+++ b/drivers/usb/typec/ucsi/ucsi_ccg.c
@@ -631,7 +631,7 @@ static int ccg_request_irq(struct ucsi_ccg *uc)
 {
 	unsigned long flags = IRQF_ONESHOT;
 
-	if (!has_acpi_companion(uc->dev))
+	if (!has_acpi_companion(uc->dev) && !uc->dev->of_node)
 		flags |= IRQF_TRIGGER_HIGH;
 
 	return request_threaded_irq(uc->irq, NULL, ccg_irq_handler, flags, dev_name(uc->dev), uc);
@@ -1417,6 +1417,12 @@ static int ucsi_ccg_remove(struct i2c_client *client)
 	return 0;
 }
 
+static const struct of_device_id ucsi_ccg_of_match_table[] = {
+		{ .compatible = "cypress,cypd4226", },
+		{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, ucsi_ccg_of_match_table);
+
 static const struct i2c_device_id ucsi_ccg_device_id[] = {
 	{"ccgx-ucsi", 0},
 	{}
@@ -1471,6 +1477,7 @@ static struct i2c_driver ucsi_ccg_driver = {
 		.pm = &ucsi_ccg_pm,
 		.dev_groups = ucsi_ccg_groups,
 		.acpi_match_table = amd_i2c_ucsi_match,
+		.of_match_table = ucsi_ccg_of_match_table,
 	},
 	.probe = ucsi_ccg_probe,
 	.remove = ucsi_ccg_remove,
-- 
2.25.1