[PATCH v4 3/9] reset: rzg2l-usbphy-ctrl: Add RZ/G3L support

From: Biju Das <[email protected]>

Add the renesas,r9a08g046-usbphy-ctrl compatible string to the OF match
table for the RZ/G3L (r9a08g046) SoC, using a dedicated rzg3l_info
struct with pwrrdy set, similar to RZ/G3S.

The RZ/G3L SoC has 2 OTG controllers compared to one on RZ/G3S, so it
uses a separate rzg3l-vbus-regulator driver to handle the additional
VBUSEN control for port 2. The regulator_driver_name field is used as
the platform device name passed to platform_device_alloc(), and must
exactly match the name the corresponding regulator driver registers
via its id_table for platform bus matching to succeed.

Signed-off-by: Biju Das <[email protected]>
---
v3->v4:
 * Updated the commit description.
 * Migrated to id_table match using driver_name and reduced the length
   < 24.
v2->v3:
 * No change.
v1->v2:
 * No change.
---
 drivers/reset/reset-rzg2l-usbphy-ctrl.c | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/drivers/reset/reset-rzg2l-usbphy-ctrl.c b/drivers/reset/reset-rzg2l-usbphy-ctrl.c
index 84e745e49240..0803195080bd 100644
--- a/drivers/reset/reset-rzg2l-usbphy-ctrl.c
+++ b/drivers/reset/reset-rzg2l-usbphy-ctrl.c
@@ -42,6 +42,7 @@ struct rzg2l_usbphy_ctrl_priv {
 };
 
 struct rzg2l_usbphy_ctrl_info {
+	const char *regulator_driver_name;
 	bool pwrrdy;
 };
 
@@ -110,15 +111,24 @@ static void rzg2l_usbphy_ctrl_init(struct rzg2l_usbphy_ctrl_priv *priv)
 	spin_unlock_irqrestore(&priv->lock, flags);
 }
 
-static const struct rzg2l_usbphy_ctrl_info rzg2l_info = {};
+static const struct rzg2l_usbphy_ctrl_info rzg2l_info = {
+	.regulator_driver_name = "rzg2l-vbus-regulator",
+};
 
 static const struct rzg2l_usbphy_ctrl_info rzg3s_info = {
+	.regulator_driver_name = "rzg2l-vbus-regulator",
+	.pwrrdy = true,
+};
+
+static const struct rzg2l_usbphy_ctrl_info rzg3l_info = {
+	.regulator_driver_name = "rzg3l-vbus-regulator",
 	.pwrrdy = true,
 };
 
 static const struct of_device_id rzg2l_usbphy_ctrl_match_table[] = {
 	{ .compatible = "renesas,rzg2l-usbphy-ctrl", .data = &rzg2l_info },
 	{ .compatible = "renesas,r9a08g045-usbphy-ctrl", .data = &rzg3s_info },
+	{ .compatible = "renesas,r9a08g046-usbphy-ctrl", .data = &rzg3l_info },
 	{ /* Sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, rzg2l_usbphy_ctrl_match_table);
@@ -245,7 +255,7 @@ static int rzg2l_usbphy_ctrl_probe(struct platform_device *pdev)
 	if (error)
 		goto err_pm_runtime_put;
 
-	vdev = platform_device_alloc("rzg2l-usb-vbus-regulator", pdev->id);
+	vdev = platform_device_alloc(info->regulator_driver_name, pdev->id);
 	if (!vdev) {
 		error = -ENOMEM;
 		goto err_pm_runtime_put;
-- 
2.43.0