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diff --git a/Documentation/devicetree/bindings/pinctrl/nvidia,tegra234-pinmux-aon.yaml b/Documentation/devicetree/bindings/pinctrl/nvidia,tegra234-pinmux-aon.yaml
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/nvidia,tegra234-pinmux-aon.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NVIDIA Tegra234 AON Pinmux Controller
+
+maintainers:
+  - Thierry Reding <thierry.reding@gmail.com>
+  - Jon Hunter <jonathanh@nvidia.com>
+
+properties:
+  compatible:
+    const: nvidia,tegra234-pinmux-aon
+
+  reg:
+    maxItems: 1
+
+patternProperties:
+  "^pinmux(-[a-z0-9-]+)?$":
+    type: object
+
+    # pin groups
+    additionalProperties:
+      $ref: nvidia,tegra234-pinmux-common.yaml
+
+      properties:
+        nvidia,pins:
+          items:
+            enum: [ can0_dout_paa0, can0_din_paa1, can1_dout_paa2,
+                    can1_din_paa3, can0_stb_paa4, can0_en_paa5,
+                    soc_gpio49_paa6, can0_err_paa7, can1_stb_pbb0,
+                    can1_en_pbb1, soc_gpio50_pbb2, can1_err_pbb3,
+                    spi2_sck_pcc0, spi2_miso_pcc1, spi2_mosi_pcc2,
+                    spi2_cs0_pcc3, touch_clk_pcc4, uart3_tx_pcc5,
+                    uart3_rx_pcc6, gen2_i2c_scl_pcc7, gen2_i2c_sda_pdd0,
+                    gen8_i2c_scl_pdd1, gen8_i2c_sda_pdd2,
+                    sce_error_pee0, vcomp_alert_pee1,
+                    ao_retention_n_pee2, batt_oc_pee3, power_on_pee4,
+                    soc_gpio26_pee5, soc_gpio27_pee6, bootv_ctl_n_pee7,
+                    hdmi_cec_pgg0,
+                    # drive groups
+                    drive_touch_clk_pcc4, drive_uart3_rx_pcc6,
+                    drive_uart3_tx_pcc5, drive_gen8_i2c_sda_pdd2,
+                    drive_gen8_i2c_scl_pdd1, drive_spi2_mosi_pcc2,
+                    drive_gen2_i2c_scl_pcc7, drive_spi2_cs0_pcc3,
+                    drive_gen2_i2c_sda_pdd0, drive_spi2_sck_pcc0,
+                    drive_spi2_miso_pcc1, drive_can1_dout_paa2,
+                    drive_can1_din_paa3, drive_can0_dout_paa0,
+                    drive_can0_din_paa1, drive_can0_stb_paa4,
+                    drive_can0_en_paa5, drive_soc_gpio49_paa6,
+                    drive_can0_err_paa7, drive_can1_stb_pbb0,
+                    drive_can1_en_pbb1, drive_soc_gpio50_pbb2,
+                    drive_can1_err_pbb3, drive_sce_error_pee0,
+                    drive_batt_oc_pee3, drive_bootv_ctl_n_pee7,
+                    drive_power_on_pee4, drive_soc_gpio26_pee5,
+                    drive_soc_gpio27_pee6, drive_ao_retention_n_pee2,
+                    drive_vcomp_alert_pee1, drive_hdmi_cec_pgg0 ]
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/pinctrl/pinctrl-tegra.h>
+
+    pinmux@c300000 {
+      compatible = "nvidia,tegra234-pinmux-aon";
+      reg = <0xc300000 0x4000>;
+
+      pinctrl-names = "cec";
+      pinctrl-0 = <&cec_state>;
+
+      cec_state: pinmux-cec {
+        cec {
+          nvidia,pins = "hdmi_cec_pgg0";
+          nvidia,function = "gp";
+        };
+      };
+    };
+...