From 1db9b241bb56c6498766015049097df965ff8df2 Mon Sep 17 00:00:00 2001
From: Prathamesh Shete <pshete@nvidia.com>
Date: Fri, 10 Dec 2021 17:02:04 +0100
Subject: [PATCH] gpio: tegra186: Add support for Tegra234

Extend the existing Tegra186 GPIO controller driver with support for the
GPIO controller found on Tegra234. While the programming model remains
the same, the number of pins has slightly changed.

Signed-off-by: Prathamesh Shete <pshete@nvidia.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
---
 drivers/gpio/gpio-tegra186.c | 76 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)

diff --git a/drivers/gpio/gpio-tegra186.c b/drivers/gpio/gpio-tegra186.c
index c026e7141e4e..91c77fccc1e6 100644
--- a/drivers/gpio/gpio-tegra186.c
+++ b/drivers/gpio/gpio-tegra186.c
@@ -14,6 +14,7 @@
 
 #include <dt-bindings/gpio/tegra186-gpio.h>
 #include <dt-bindings/gpio/tegra194-gpio.h>
+#include <dt-bindings/gpio/tegra234-gpio.h>
 
 /* security registers */
 #define TEGRA186_GPIO_CTL_SCR 0x0c
@@ -972,6 +973,75 @@ static const struct tegra_gpio_soc tegra194_aon_soc = {
 	.num_irqs_per_bank = 8,
 };
 
+#define TEGRA234_MAIN_GPIO_PORT(_name, _bank, _port, _pins)	\
+	[TEGRA234_MAIN_GPIO_PORT_##_name] = {			\
+		.name = #_name,					\
+		.bank = _bank,					\
+		.port = _port,					\
+		.pins = _pins,					\
+	}
+
+static const struct tegra_gpio_port tegra234_main_ports[] = {
+	TEGRA234_MAIN_GPIO_PORT( A, 0, 0, 8),
+	TEGRA234_MAIN_GPIO_PORT( B, 0, 3, 1),
+	TEGRA234_MAIN_GPIO_PORT( C, 5, 1, 8),
+	TEGRA234_MAIN_GPIO_PORT( D, 5, 2, 4),
+	TEGRA234_MAIN_GPIO_PORT( E, 5, 3, 8),
+	TEGRA234_MAIN_GPIO_PORT( F, 5, 4, 6),
+	TEGRA234_MAIN_GPIO_PORT( G, 4, 0, 8),
+	TEGRA234_MAIN_GPIO_PORT( H, 4, 1, 8),
+	TEGRA234_MAIN_GPIO_PORT( I, 4, 2, 7),
+	TEGRA234_MAIN_GPIO_PORT( J, 5, 0, 6),
+	TEGRA234_MAIN_GPIO_PORT( K, 3, 0, 8),
+	TEGRA234_MAIN_GPIO_PORT( L, 3, 1, 4),
+	TEGRA234_MAIN_GPIO_PORT( M, 2, 0, 8),
+	TEGRA234_MAIN_GPIO_PORT( N, 2, 1, 8),
+	TEGRA234_MAIN_GPIO_PORT( P, 2, 2, 8),
+	TEGRA234_MAIN_GPIO_PORT( Q, 2, 3, 8),
+	TEGRA234_MAIN_GPIO_PORT( R, 2, 4, 6),
+	TEGRA234_MAIN_GPIO_PORT( X, 1, 0, 8),
+	TEGRA234_MAIN_GPIO_PORT( Y, 1, 1, 8),
+	TEGRA234_MAIN_GPIO_PORT( Z, 1, 2, 8),
+	TEGRA234_MAIN_GPIO_PORT(AC, 0, 1, 8),
+	TEGRA234_MAIN_GPIO_PORT(AD, 0, 2, 4),
+	TEGRA234_MAIN_GPIO_PORT(AE, 3, 3, 2),
+	TEGRA234_MAIN_GPIO_PORT(AF, 3, 4, 4),
+	TEGRA234_MAIN_GPIO_PORT(AG, 3, 2, 8),
+};
+
+static const struct tegra_gpio_soc tegra234_main_soc = {
+	.num_ports = ARRAY_SIZE(tegra234_main_ports),
+	.ports = tegra234_main_ports,
+	.name = "tegra234-gpio",
+	.instance = 0,
+	.num_irqs_per_bank = 8,
+};
+
+#define TEGRA234_AON_GPIO_PORT(_name, _bank, _port, _pins)	\
+	[TEGRA234_AON_GPIO_PORT_##_name] = {			\
+		.name = #_name,					\
+		.bank = _bank,					\
+		.port = _port,					\
+		.pins = _pins,					\
+	}
+
+static const struct tegra_gpio_port tegra234_aon_ports[] = {
+	TEGRA234_AON_GPIO_PORT(AA, 0, 4, 8),
+	TEGRA234_AON_GPIO_PORT(BB, 0, 5, 4),
+	TEGRA234_AON_GPIO_PORT(CC, 0, 2, 8),
+	TEGRA234_AON_GPIO_PORT(DD, 0, 3, 3),
+	TEGRA234_AON_GPIO_PORT(EE, 0, 0, 8),
+	TEGRA234_AON_GPIO_PORT(GG, 0, 1, 1),
+};
+
+static const struct tegra_gpio_soc tegra234_aon_soc = {
+	.num_ports = ARRAY_SIZE(tegra234_aon_ports),
+	.ports = tegra234_aon_ports,
+	.name = "tegra234-gpio-aon",
+	.instance = 1,
+	.num_irqs_per_bank = 8,
+};
+
 static const struct of_device_id tegra186_gpio_of_match[] = {
 	{
 		.compatible = "nvidia,tegra186-gpio",
@@ -986,6 +1056,12 @@ static const struct of_device_id tegra186_gpio_of_match[] = {
 		.compatible = "nvidia,tegra194-gpio-aon",
 		.data = &tegra194_aon_soc
 	}, {
+		.compatible = "nvidia,tegra234-gpio",
+		.data = &tegra234_main_soc
+	}, {
+		.compatible = "nvidia,tegra234-gpio-aon",
+		.data = &tegra234_aon_soc
+	}, {
 		/* sentinel */
 	}
 };
-- 
2.11.0