diff --git a/Documentation/devicetree/bindings/gpio/nvidia,tegra186-gpio.yaml b/Documentation/devicetree/bindings/gpio/nvidia,tegra186-gpio.yaml
index 2bd620a1099b..17748dd1015d 100644
--- a/Documentation/devicetree/bindings/gpio/nvidia,tegra186-gpio.yaml
+++ b/Documentation/devicetree/bindings/gpio/nvidia,tegra186-gpio.yaml
@@ -86,6 +86,9 @@ properties:
       - nvidia,tegra234-gpio
       - nvidia,tegra234-gpio-aon
       - nvidia,tegra256-gpio
+      - nvidia,tegra264-gpio
+      - nvidia,tegra264-gpio-uphy
+      - nvidia,tegra264-gpio-aon
 
   reg-names:
     items:
@@ -110,6 +113,10 @@ properties:
       ports, in the order the HW manual describes them. The number of entries
       required varies depending on compatible value.
 
+  wakeup-parent:
+    description: Phandle to the parent interrupt controller used for wake-up. On
+      Tegra, this typically references the PMC interrupt controller.
+
   gpio-controller: true
 
   gpio-ranges:
@@ -157,6 +164,8 @@ allOf:
               - nvidia,tegra194-gpio
               - nvidia,tegra234-gpio
               - nvidia,tegra256-gpio
+              - nvidia,tegra264-gpio
+              - nvidia,tegra264-gpio-uphy
     then:
       properties:
         interrupts:
@@ -171,12 +180,25 @@ allOf:
               - nvidia,tegra186-gpio-aon
               - nvidia,tegra194-gpio-aon
               - nvidia,tegra234-gpio-aon
+              - nvidia,tegra264-gpio-aon
     then:
       properties:
         interrupts:
           minItems: 1
           maxItems: 4
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - nvidia,tegra264-gpio
+              - nvidia,tegra264-gpio-uphy
+              - nvidia,tegra264-gpio-aon
+    then:
+      required:
+        - wakeup-parent
+
 required:
   - compatible
   - reg
diff --git a/include/dt-bindings/gpio/nvidia,tegra264-gpio.h b/include/dt-bindings/gpio/nvidia,tegra264-gpio.h
new file mode 100644
index 000000000000..63a3541c2fb0
--- /dev/null
+++ b/include/dt-bindings/gpio/nvidia,tegra264-gpio.h
@@ -0,0 +1,62 @@
+/* SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause */
+/* Copyright (c) 2026, NVIDIA CORPORATION. All rights reserved. */
+
+/*
+ * This header provides constants for binding nvidia,tegra264-gpio*.
+ *
+ * The first cell in Tegra's GPIO specifier is the GPIO ID. The macros below
+ * provide names for this.
+ *
+ * The second cell contains standard flag values specified in gpio.h.
+ */
+
+#ifndef _DT_BINDINGS_GPIO_TEGRA264_GPIO_H
+#define _DT_BINDINGS_GPIO_TEGRA264_GPIO_H
+
+#include <dt-bindings/gpio/gpio.h>
+
+/* GPIOs implemented by main GPIO controller */
+#define TEGRA264_MAIN_GPIO_PORT_T  0
+#define TEGRA264_MAIN_GPIO_PORT_U  1
+#define TEGRA264_MAIN_GPIO_PORT_V  2
+#define TEGRA264_MAIN_GPIO_PORT_W  3
+#define TEGRA264_MAIN_GPIO_PORT_AL 4
+#define TEGRA264_MAIN_GPIO_PORT_Y  5
+#define TEGRA264_MAIN_GPIO_PORT_Z  6
+#define TEGRA264_MAIN_GPIO_PORT_X  7
+#define TEGRA264_MAIN_GPIO_PORT_H  8
+#define TEGRA264_MAIN_GPIO_PORT_J  9
+#define TEGRA264_MAIN_GPIO_PORT_K  10
+#define TEGRA264_MAIN_GPIO_PORT_L  11
+#define TEGRA264_MAIN_GPIO_PORT_M  12
+#define TEGRA264_MAIN_GPIO_PORT_P  13
+#define TEGRA264_MAIN_GPIO_PORT_Q  14
+#define TEGRA264_MAIN_GPIO_PORT_R  15
+#define TEGRA264_MAIN_GPIO_PORT_S  16
+#define TEGRA264_MAIN_GPIO_PORT_F  17
+#define TEGRA264_MAIN_GPIO_PORT_G  18
+
+#define TEGRA264_MAIN_GPIO(port, offset) \
+	((TEGRA264_MAIN_GPIO_PORT_##port * 8) + (offset))
+
+/* GPIOs implemented by AON GPIO controller */
+#define TEGRA264_AON_GPIO_PORT_AA  0
+#define TEGRA264_AON_GPIO_PORT_BB  1
+#define TEGRA264_AON_GPIO_PORT_CC  2
+#define TEGRA264_AON_GPIO_PORT_DD  3
+#define TEGRA264_AON_GPIO_PORT_EE  4
+
+#define TEGRA264_AON_GPIO(port, offset) \
+	((TEGRA264_AON_GPIO_PORT_##port * 8) + (offset))
+
+#define TEGRA264_UPHY_GPIO_PORT_A  0
+#define TEGRA264_UPHY_GPIO_PORT_B  1
+#define TEGRA264_UPHY_GPIO_PORT_C  2
+#define TEGRA264_UPHY_GPIO_PORT_D  3
+#define TEGRA264_UPHY_GPIO_PORT_E  4
+
+#define TEGRA264_UPHY_GPIO(port, offset) \
+	((TEGRA264_UPHY_GPIO_PORT_##port * 8) + (offset))
+
+#endif
+