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From: Jon Hunter <jonathanh@nvidia.com>
To: Linus Walleij <linusw@kernel.org>,
	Bartosz Golaszewski <brgl@kernel.org>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Thierry Reding <thierry.reding@kernel.org>
Cc: Thierry Reding <treding@nvidia.com>, <linux-gpio@vger.kernel.org>,
	<devicetree@vger.kernel.org>, <linux-tegra@vger.kernel.org>,
	Thierry Reding <thierry.reding@gmail.com>,
	<linux-kernel@vger.kernel.org>, Jon Hunter <jonathanh@nvidia.com>
Subject: [PATCH 2/2] gpio: tegra186: Add support for Tegra268
Date: Fri, 28 Aug 2026 15:39:52 +0100	[thread overview]
Message-ID: <20260828-tegra-tegra268-gpio-v1-2-317bd91295e2@nvidia.com> (raw)
In-Reply-To: <20260828-tegra-tegra268-gpio-v1-0-317bd91295e2@nvidia.com>

Add support for the 3 GPIO controllers, main, AON and UPHY, that are
present on the Tegra268 device. Tegra268 has the same 3 GPIO controllers
as Tegra264, but a subset of the GPIOs. Therefore, we can re-use the
Tegra264 device-tree port definitions for Tegra268 and avoid duplicating
these.

Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
---
 drivers/gpio/gpio-tegra186.c | 74 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)

diff --git a/drivers/gpio/gpio-tegra186.c b/drivers/gpio/gpio-tegra186.c
index d9a2dedf50ea..34e084c95d7a 100644
--- a/drivers/gpio/gpio-tegra186.c
+++ b/drivers/gpio/gpio-tegra186.c
@@ -1419,6 +1419,71 @@ static const struct tegra_gpio_soc tegra264_uphy_soc = {
 	.has_vm_support = true,
 };
 
+static const struct tegra_gpio_port tegra268_main_ports[] = {
+	TEGRA264_MAIN_GPIO_PORT(F, 3, 0, 8),
+	TEGRA264_MAIN_GPIO_PORT(G, 3, 1, 5),
+	TEGRA264_MAIN_GPIO_PORT(H, 1, 0, 8),
+	TEGRA264_MAIN_GPIO_PORT(J, 1, 1, 8),
+	TEGRA264_MAIN_GPIO_PORT(K, 1, 2, 8),
+	TEGRA264_MAIN_GPIO_PORT(L, 1, 3, 8),
+	TEGRA264_MAIN_GPIO_PORT(M, 1, 4, 2),
+	TEGRA264_MAIN_GPIO_PORT(P, 2, 0, 8),
+	TEGRA264_MAIN_GPIO_PORT(Q, 2, 1, 8),
+	TEGRA264_MAIN_GPIO_PORT(R, 2, 2, 8),
+	TEGRA264_MAIN_GPIO_PORT(S, 2, 3, 2),
+	TEGRA264_MAIN_GPIO_PORT(T, 0, 0, 7),
+	TEGRA264_MAIN_GPIO_PORT(U, 0, 1, 8),
+	TEGRA264_MAIN_GPIO_PORT(V, 0, 2, 8),
+	TEGRA264_MAIN_GPIO_PORT(W, 0, 3, 8),
+	TEGRA264_MAIN_GPIO_PORT(Y, 0, 5, 8),
+	TEGRA264_MAIN_GPIO_PORT(Z, 0, 6, 8),
+	TEGRA264_MAIN_GPIO_PORT(AL, 0, 4, 3),
+};
+
+static const struct tegra_gpio_soc tegra268_main_soc = {
+	.num_ports = ARRAY_SIZE(tegra268_main_ports),
+	.ports = tegra268_main_ports,
+	.name = "tegra268-gpio",
+	.instance = 0,
+	.num_irqs_per_bank = 8,
+	.has_vm_support = true,
+};
+
+static const struct tegra_gpio_port tegra268_aon_ports[] = {
+	TEGRA264_AON_GPIO_PORT(AA, 0, 0, 8),
+	TEGRA264_AON_GPIO_PORT(BB, 0, 1, 2),
+	TEGRA264_AON_GPIO_PORT(CC, 0, 2, 8),
+	TEGRA264_AON_GPIO_PORT(DD, 0, 3, 8),
+	TEGRA264_AON_GPIO_PORT(EE, 0, 4, 2)
+};
+
+static const struct tegra_gpio_soc tegra268_aon_soc = {
+	.num_ports = ARRAY_SIZE(tegra268_aon_ports),
+	.ports = tegra268_aon_ports,
+	.name = "tegra268-gpio-aon",
+	.instance = 1,
+	.num_irqs_per_bank = 8,
+	.has_gte = true,
+	.has_vm_support = true,
+};
+
+static const struct tegra_gpio_port tegra268_uphy_ports[] = {
+	TEGRA264_UPHY_GPIO_PORT(A, 0, 0, 6),
+	TEGRA264_UPHY_GPIO_PORT(B, 0, 1, 8),
+	TEGRA264_UPHY_GPIO_PORT(C, 0, 2, 3),
+	TEGRA264_UPHY_GPIO_PORT(D, 1, 0, 6),
+	TEGRA264_UPHY_GPIO_PORT(E, 1, 1, 4),
+};
+
+static const struct tegra_gpio_soc tegra268_uphy_soc = {
+	.num_ports = ARRAY_SIZE(tegra268_uphy_ports),
+	.ports = tegra268_uphy_ports,
+	.name = "tegra268-gpio-uphy",
+	.instance = 2,
+	.num_irqs_per_bank = 8,
+	.has_vm_support = true,
+};
+
 #define TEGRA256_MAIN_GPIO_PORT(_name, _bank, _port, _pins) \
 	TEGRA_GPIO_PORT(TEGRA256_MAIN, _name, _bank, _port, _pins)
 
@@ -1528,6 +1593,15 @@ static const struct of_device_id tegra186_gpio_of_match[] = {
 	}, {
 		.compatible = "nvidia,tegra264-gpio-uphy",
 		.data = &tegra264_uphy_soc
+	}, {
+		.compatible = "nvidia,tegra268-gpio",
+		.data = &tegra268_main_soc
+	}, {
+		.compatible = "nvidia,tegra268-gpio-aon",
+		.data = &tegra268_aon_soc
+	}, {
+		.compatible = "nvidia,tegra268-gpio-uphy",
+		.data = &tegra268_uphy_soc
 	}, {
 		/* sentinel */
 	}

-- 
2.43.0


  parent reply	other threads:[~2026-08-28 14:41 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-28 14:39 [PATCH 0/2] gpio: tegra186: Add support for Tegra268 Jon Hunter
2026-08-28 14:39 ` [PATCH 1/2] dt-bindings: gpio: Add compatible string " Jon Hunter
2026-08-28 16:22   ` Conor Dooley
2026-08-28 14:39 ` Jon Hunter [this message]
2026-08-28 14:56   ` [PATCH 2/2] gpio: tegra186: Add support " sashiko-bot

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