[PATCH] gpio: renesas: Add R-Car Gen4 support

[Marek Vasut]

From: Hai Pham <hai.pham.ud at renesas.com>

Add support for the GPIO controller block in the R-Car Gen4 family.

It has a General Input Enable Register (INEN), whose reset state is to
have all inputs disabled.

Reviewed-by: Marek Vasut <marek.vasut+renesas at mailbox.org>
Signed-off-by: Hai Pham <hai.pham.ud at renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas at mailbox.org>
---
 drivers/gpio/gpio-rcar.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c
index 138801850d3..9ffb4a56258 100644
--- a/drivers/gpio/gpio-rcar.c
+++ b/drivers/gpio/gpio-rcar.c
@@ -195,6 +195,7 @@ static const struct udevice_id rcar_gpio_ids[] = {
 	{ .compatible = "renesas,gpio-r8a779a0", .data = RCAR_GPIO_HAS_INEN },
 	{ .compatible = "renesas,rcar-gen2-gpio" },
 	{ .compatible = "renesas,rcar-gen3-gpio" },
+	{ .compatible = "renesas,rcar-gen4-gpio", .data = RCAR_GPIO_HAS_INEN },
 	{ /* sentinel */ }
 };
 
-- 
2.39.2