diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,sm4450-tlmm.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,sm4450-tlmm.yaml
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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/qcom,sm4450-tlmm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Technologies, Inc. SM4450 TLMM block
+
+maintainers:
+  - Tengfei Fan <quic_tengfan@quicinc.com>
+
+description:
+  Top Level Mode Multiplexer pin controller in Qualcomm SM4450 SoC.
+
+allOf:
+  - $ref: /schemas/pinctrl/qcom,tlmm-common.yaml#
+
+properties:
+  compatible:
+    const: qcom,sm4450-pinctrl
+
+  reg:
+    maxItems: 1
+
+  interrupts: true
+  interrupt-controller: true
+  "#interrupt-cells": true
+  gpio-controller: true
+
+  gpio-reserved-ranges:
+    minItems: 1
+    maxItems: 68
+
+  gpio-line-names:
+    maxItems: 136
+
+  "#gpio-cells": true
+  gpio-ranges: true
+  wakeup-parent: true
+
+patternProperties:
+  "-state$":
+    oneOf:
+      - $ref: "#/$defs/qcom-sm4450-tlmm-state"
+      - patternProperties:
+          "-pins$":
+            $ref: "#/$defs/qcom-sm4450-tlmm-state"
+        additionalProperties: false
+
+$defs:
+  qcom-sm4450-tlmm-state:
+    type: object
+    description:
+      Pinctrl node's client devices use subnodes for desired pin configuration.
+      Client device subnodes use below standard properties.
+    $ref: qcom,tlmm-common.yaml#/$defs/qcom-tlmm-state
+    unevaluatedProperties: false
+
+    properties:
+      pins:
+        description:
+          List of gpio pins affected by the properties specified in this
+          subnode.
+        items:
+          oneOf:
+            - pattern: "^gpio([0-9]|[1-9][0-9]|1[0-9][0-9])$"
+            - enum: [ sdc2_clk, sdc2_cmd, sdc2_data, ufs_reset ]
+          minItems: 1
+          maxItems: 36
+
+      function:
+        description:
+          Specify the alternative function to be configured for the specified
+          pins.
+        enum: [ gpio, atest_char, atest_char0, atest_char1, atest_char2,
+                atest_char3, atest_usb0, atest_usb00, atest_usb01, atest_usb02,
+                atest_usb03, audio_ref, cam_mclk, cci_async, cci_i2c,
+                cci_timer0, cci_timer1, cci_timer2, cci_timer3, cci_timer4,
+                cmu_rng0, cmu_rng1, cmu_rng2, cmu_rng3, coex_uart1, cri_trng,
+                cri_trng0, cri_trng1, dbg_out, ddr_bist, ddr_pxi0, ddr_pxi1,
+                dp0_hot, gcc_gp1, gcc_gp2, gcc_gp3, host2wlan_sol, ibi_i3c,
+                jitter_bist, mdp_vsync, mdp_vsync0, mdp_vsync1, mdp_vsync2,
+                mdp_vsync3, mi2s0_data0, mi2s0_data1, mi2s0_sck, mi2s0_ws,
+                mi2s2_data0, mi2s2_data1, mi2s2_sck, mi2s2_ws, mi2s_mclk0,
+                mi2s_mclk1, nav_gpio0, nav_gpio1, nav_gpio2, pcie0_clk,
+                phase_flag0, phase_flag1, phase_flag10, phase_flag11,
+                phase_flag12, phase_flag13, phase_flag14, phase_flag15,
+                phase_flag16, phase_flag17, phase_flag18, phase_flag19,
+                phase_flag2, phase_flag20, phase_flag21, phase_flag22,
+                phase_flag23, phase_flag24, phase_flag25, phase_flag26,
+                phase_flag27, phase_flag28, phase_flag29, phase_flag3,
+                phase_flag30, phase_flag31, phase_flag4, phase_flag5,
+                phase_flag6, phase_flag7, phase_flag8, phase_flag9,
+                pll_bist, pll_clk, prng_rosc0, prng_rosc1, prng_rosc2,
+                prng_rosc3, qdss_cti, qdss_gpio, qdss_gpio0, qdss_gpio1,
+                qdss_gpio10, qdss_gpio11, qdss_gpio12, qdss_gpio13, qdss_gpio14,
+                qdss_gpio15, qdss_gpio2, qdss_gpio3, qdss_gpio4, qdss_gpio5,
+                qdss_gpio6, qdss_gpio7, qdss_gpio8, qdss_gpio9, qlink0_enable,
+                qlink0_request, qlink0_wmss, qlink1_enable, qlink1_request,
+                qlink1_wmss, qlink2_enable, qlink2_request, qlink2_wmss,
+                qup0_se0, qup0_se1, qup0_se2, qup0_se3, qup0_se4, qup0_se5,
+                qup0_se6, qup0_se7, qup1_se0, qup1_se1, qup1_se2, qup1_se3,
+                qup1_se4, qup1_se5, qup1_se6, sd_write, tb_trig, tgu_ch0,
+                tgu_ch1, tgu_ch2, tgu_ch3, tmess_prng0, tmess_prng1,
+                tmess_prng2, tmess_prng3, tsense_pwm1, tsense_pwm2, uim0_clk,
+                uim0_data, uim0_present, uim0_reset, uim1_clk, uim1_data,
+                uim1_present, uim1_reset, usb0_hs, usb0_phy, vfr_0, vfr_1,
+                vsense_trigger ]
+
+        required:
+          - pins
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    tlmm: pinctrl@f100000 {
+      compatible = "qcom,sm4450-tlmm";
+      reg = <0x0f100000 0x300000>;
+      gpio-controller;
+      #gpio-cells = <2>;
+      gpio-ranges = <&tlmm 0 0 137>;
+      interrupt-controller;
+      #interrupt-cells = <2>;
+      interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
+    };
+...
