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The Tegra268 device has the same GPIO controllers as Tegra264, but only has a subset of the pins and hence, GPIOs. Signed-off-by: Jon Hunter Acked-by: Conor Dooley --- Documentation/devicetree/bindings/gpio/nvidia,tegra186-gpio.yaml | 9 +++++= ++++ 1 file changed, 9 insertions(+) diff --git a/Documentation/devicetree/bindings/gpio/nvidia,tegra186-gpio.ya= ml b/Documentation/devicetree/bindings/gpio/nvidia,tegra186-gpio.yaml index adeb3b3a2902..fac53e65909b 100644 --- a/Documentation/devicetree/bindings/gpio/nvidia,tegra186-gpio.yaml +++ b/Documentation/devicetree/bindings/gpio/nvidia,tegra186-gpio.yaml @@ -91,6 +91,9 @@ properties: - nvidia,tegra264-gpio - nvidia,tegra264-gpio-uphy - nvidia,tegra264-gpio-aon + - nvidia,tegra268-gpio + - nvidia,tegra268-gpio-uphy + - nvidia,tegra268-gpio-aon =20 reg-names: items: @@ -169,6 +172,8 @@ allOf: - nvidia,tegra256-gpio - nvidia,tegra264-gpio - nvidia,tegra264-gpio-uphy + - nvidia,tegra268-gpio + - nvidia,tegra268-gpio-uphy then: properties: interrupts: @@ -185,6 +190,7 @@ allOf: - nvidia,tegra234-gpio-aon - nvidia,tegra238-gpio-aon - nvidia,tegra264-gpio-aon + - nvidia,tegra268-gpio-aon then: properties: interrupts: @@ -201,6 +207,9 @@ allOf: - nvidia,tegra264-gpio - nvidia,tegra264-gpio-uphy - nvidia,tegra264-gpio-aon + - nvidia,tegra268-gpio + - nvidia,tegra268-gpio-uphy + - nvidia,tegra268-gpio-aon then: required: - wakeup-parent --=20 2.43.0 From nobody Sat Sep 26 22:56:11 2026 Received: from BL2PR02CU003.outbound.protection.outlook.com (mail-eastusazon11011014.outbound.protection.outlook.com [52.101.52.14]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 11858463B85; 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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 --- 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= =3D { .has_vm_support =3D true, }; =20 +static const struct tegra_gpio_port tegra268_main_ports[] =3D { + 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 =3D { + .num_ports =3D ARRAY_SIZE(tegra268_main_ports), + .ports =3D tegra268_main_ports, + .name =3D "tegra268-gpio", + .instance =3D 0, + .num_irqs_per_bank =3D 8, + .has_vm_support =3D true, +}; + +static const struct tegra_gpio_port tegra268_aon_ports[] =3D { + 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 =3D { + .num_ports =3D ARRAY_SIZE(tegra268_aon_ports), + .ports =3D tegra268_aon_ports, + .name =3D "tegra268-gpio-aon", + .instance =3D 1, + .num_irqs_per_bank =3D 8, + .has_gte =3D true, + .has_vm_support =3D true, +}; + +static const struct tegra_gpio_port tegra268_uphy_ports[] =3D { + 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 =3D { + .num_ports =3D ARRAY_SIZE(tegra268_uphy_ports), + .ports =3D tegra268_uphy_ports, + .name =3D "tegra268-gpio-uphy", + .instance =3D 2, + .num_irqs_per_bank =3D 8, + .has_vm_support =3D true, +}; + #define TEGRA256_MAIN_GPIO_PORT(_name, _bank, _port, _pins) \ TEGRA_GPIO_PORT(TEGRA256_MAIN, _name, _bank, _port, _pins) =20 @@ -1528,6 +1593,15 @@ static const struct of_device_id tegra186_gpio_of_ma= tch[] =3D { }, { .compatible =3D "nvidia,tegra264-gpio-uphy", .data =3D &tegra264_uphy_soc + }, { + .compatible =3D "nvidia,tegra268-gpio", + .data =3D &tegra268_main_soc + }, { + .compatible =3D "nvidia,tegra268-gpio-aon", + .data =3D &tegra268_aon_soc + }, { + .compatible =3D "nvidia,tegra268-gpio-uphy", + .data =3D &tegra268_uphy_soc }, { /* sentinel */ } --=20 2.43.0