diff --git a/Documentation/devicetree/bindings/security/tpm/google,cr50.txt b/Documentation/devicetree/bindings/security/tpm/google,cr50.txt
deleted file mode 100644
index cd69c2efdd37..000000000000
--- a/Documentation/devicetree/bindings/security/tpm/google,cr50.txt
+++ /dev/null
@@ -1,19 +0,0 @@
-* H1 Secure Microcontroller with Cr50 Firmware on SPI Bus.
-
-H1 Secure Microcontroller running Cr50 firmware provides several
-functions, including TPM-like functionality. It communicates over
-SPI using the FIFO protocol described in the PTP Spec, section 6.
-
-Required properties:
-- compatible: Should be "google,cr50".
-- spi-max-frequency: Maximum SPI frequency.
-
-Example:
-
-&spi0 {
-	tpm@0 {
-		compatible = "google,cr50";
-		reg = <0>;
-		spi-max-frequency = <800000>;
-	};
-};
diff --git a/Documentation/devicetree/bindings/security/tpm/st33zp24-i2c.txt b/Documentation/devicetree/bindings/security/tpm/st33zp24-i2c.txt
deleted file mode 100644
index 0dc121b6eace..000000000000
--- a/Documentation/devicetree/bindings/security/tpm/st33zp24-i2c.txt
+++ /dev/null
@@ -1,34 +0,0 @@
-* STMicroelectronics SAS. ST33ZP24 TPM SoC
-
-Required properties:
-- compatible: Should be "st,st33zp24-i2c".
-- clock-frequency: I²C work frequency.
-- reg: address on the bus
-
-Optional ST33ZP24 Properties:
-- interrupts: GPIO interrupt to which the chip is connected
-- lpcpd-gpios: Output GPIO pin used for ST33ZP24 power management D1/D2 state.
-If set, power must be present when the platform is going into sleep/hibernate mode.
-
-Optional SoC Specific Properties:
-- pinctrl-names: Contains only one value - "default".
-- pintctrl-0: Specifies the pin control groups used for this controller.
-
-Example (for ARM-based BeagleBoard xM with ST33ZP24 on I2C2):
-
-&i2c2 {
-
-
-        st33zp24: st33zp24@13 {
-
-                compatible = "st,st33zp24-i2c";
-
-                reg = <0x13>;
-                clock-frequency = <400000>;
-
-                interrupt-parent = <&gpio5>;
-                interrupts = <7 IRQ_TYPE_LEVEL_HIGH>;
-
-                lpcpd-gpios = <&gpio5 15 GPIO_ACTIVE_HIGH>;
-        };
-};
diff --git a/Documentation/devicetree/bindings/security/tpm/st33zp24-spi.txt b/Documentation/devicetree/bindings/security/tpm/st33zp24-spi.txt
deleted file mode 100644
index 37198971f17b..000000000000
--- a/Documentation/devicetree/bindings/security/tpm/st33zp24-spi.txt
+++ /dev/null
@@ -1,32 +0,0 @@
-* STMicroelectronics SAS. ST33ZP24 TPM SoC
-
-Required properties:
-- compatible: Should be "st,st33zp24-spi".
-- spi-max-frequency: Maximum SPI frequency (<= 10000000).
-
-Optional ST33ZP24 Properties:
-- interrupts: GPIO interrupt to which the chip is connected
-- lpcpd-gpios: Output GPIO pin used for ST33ZP24 power management D1/D2 state.
-If set, power must be present when the platform is going into sleep/hibernate mode.
-
-Optional SoC Specific Properties:
-- pinctrl-names: Contains only one value - "default".
-- pintctrl-0: Specifies the pin control groups used for this controller.
-
-Example (for ARM-based BeagleBoard xM with ST33ZP24 on SPI4):
-
-&mcspi4 {
-
-
-        st33zp24@0 {
-
-                compatible = "st,st33zp24-spi";
-
-                spi-max-frequency = <10000000>;
-
-                interrupt-parent = <&gpio5>;
-                interrupts = <7 IRQ_TYPE_LEVEL_HIGH>;
-
-                lpcpd-gpios = <&gpio5 15 GPIO_ACTIVE_HIGH>;
-        };
-};
diff --git a/Documentation/devicetree/bindings/security/tpm/tpm-i2c.txt b/Documentation/devicetree/bindings/security/tpm/tpm-i2c.txt
deleted file mode 100644
index a65d7b71e81a..000000000000
--- a/Documentation/devicetree/bindings/security/tpm/tpm-i2c.txt
+++ /dev/null
@@ -1,26 +0,0 @@
-* Device Tree Bindings for I2C based Trusted Platform Module(TPM)
-
-Required properties:
-
-- compatible     : 'manufacturer,model', eg. nuvoton,npct650
-- label          : human readable string describing the device, eg. "tpm"
-- linux,sml-base : 64-bit base address of the reserved memory allocated for
-                   the firmware event log
-- linux,sml-size : size of the memory allocated for the firmware event log
-
-Optional properties:
-
-- powered-while-suspended: present when the TPM is left powered on between
-                           suspend and resume (makes the suspend/resume
-                           callbacks do nothing).
-
-Example (for OpenPower Systems with Nuvoton TPM 2.0 on I2C)
-----------------------------------------------------------
-
-tpm@57 {
-	reg = <0x57>;
-	label = "tpm";
-	compatible = "nuvoton,npct650", "nuvoton,npct601";
-	linux,sml-base = <0x7f 0xfd450000>;
-	linux,sml-size = <0x10000>;
-};
diff --git a/Documentation/devicetree/bindings/security/tpm/tpm_tis_mmio.txt b/Documentation/devicetree/bindings/security/tpm/tpm_tis_mmio.txt
deleted file mode 100644
index 7c6304426da1..000000000000
--- a/Documentation/devicetree/bindings/security/tpm/tpm_tis_mmio.txt
+++ /dev/null
@@ -1,25 +0,0 @@
-Trusted Computing Group MMIO Trusted Platform Module
-
-The TCG defines multi vendor standard for accessing a TPM chip, this
-is the standard protocol defined to access the TPM via MMIO. Typically
-this interface will be implemented over Intel's LPC bus.
-
-Refer to the 'TCG PC Client Specific TPM Interface Specification (TIS)' TCG
-publication for the specification.
-
-Required properties:
-
-- compatible: should contain a string below for the chip, followed by
-              "tcg,tpm-tis-mmio". Valid chip strings are:
-	          * "atmel,at97sc3204"
-- reg: The location of the MMIO registers, should be at least 0x5000 bytes
-- interrupts: An optional interrupt indicating command completion.
-
-Example:
-
-	tpm_tis@90000 {
-				compatible = "atmel,at97sc3204", "tcg,tpm-tis-mmio";
-				reg = <0x90000 0x5000>;
-				interrupt-parent = <&EIC0>;
-				interrupts = <1 2>;
-	};
diff --git a/Documentation/devicetree/bindings/security/tpm/tpm_tis_spi.txt b/Documentation/devicetree/bindings/security/tpm/tpm_tis_spi.txt
deleted file mode 100644
index b800667da92b..000000000000
--- a/Documentation/devicetree/bindings/security/tpm/tpm_tis_spi.txt
+++ /dev/null
@@ -1,23 +0,0 @@
-Required properties:
-- compatible: should be one of the following
-    "st,st33htpm-spi"
-    "infineon,slb9670"
-    "tcg,tpm_tis-spi"
-- spi-max-frequency: Maximum SPI frequency (depends on TPMs).
-
-Optional SoC Specific Properties:
-- pinctrl-names: Contains only one value - "default".
-- pintctrl-0: Specifies the pin control groups used for this controller.
-
-Example (for ARM-based BeagleBoard xM with TPM_TIS on SPI4):
-
-&mcspi4 {
-
-
-        tpm_tis@0 {
-
-                compatible = "tcg,tpm_tis-spi";
-
-                spi-max-frequency = <10000000>;
-        };
-};
diff --git a/Documentation/devicetree/bindings/tpm/tcg,tpm-tis-i2c.yaml b/Documentation/devicetree/bindings/tpm/tcg,tpm-tis-i2c.yaml
new file mode 100644
index 000000000000..3af6b4b63f39
--- /dev/null
+++ b/Documentation/devicetree/bindings/tpm/tcg,tpm-tis-i2c.yaml
@@ -0,0 +1,113 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/tpm/tcg,tpm-tis-i2c.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: I²C-attached Trusted Platform Module conforming to TCG TIS specification
+
+maintainers:
+  - Lukas Wunner <lukas@wunner.de>
+
+description: |
+  The Trusted Computing Group (TCG) has defined a multi-vendor standard
+  for accessing a TPM chip.  It can be transported over various buses,
+  one of them being I²C.  The standard is named:
+  TCG PC Client Specific TPM Interface Specification (TIS)
+  https://trustedcomputinggroup.org/resource/pc-client-work-group-pc-client-specific-tpm-interface-specification-tis/
+
+  The I²C interface was not originally part of the standard, but added
+  in 2017 with a separate document:
+  TCG PC Client Platform TPM Profile Specification for TPM 2.0 (PTP)
+  https://trustedcomputinggroup.org/wp-content/uploads/PC-Client-Specific-Platform-TPM-Profile-for-TPM-2p0-v1p05p_r14_pub.pdf
+
+  Recent TPM 2.0 chips conform to this generic interface, others use a
+  vendor-specific I²C interface.
+
+properties:
+  compatible:
+    oneOf:
+      - description: Generic TPM 2.0 chips conforming to TCG PTP interface
+        items:
+          - enum:
+              - infineon,slb9673
+              - nuvoton,npct75x
+          - const: tcg,tpm-tis-i2c
+
+      - description: TPM 1.2 and 2.0 chips with vendor-specific I²C interface
+        items:
+          - enum:
+              - atmel,at97sc3204t # TPM 1.2
+              - google,cr50 # TPM 2.0 (Titan H1 running Cr50 firmware)
+              - infineon,slb9635tt # TPM 1.2
+              - infineon,slb9645tt # TPM 1.2
+              - infineon,tpm_i2c_infineon # TPM 1.2
+              - nuvoton,npct501 # TPM 1.2
+              - nuvoton,npct601 # TPM 2.0
+              - st,st33zp24-i2c # TPM 2.0
+              - winbond,wpct301 # TPM 1.2
+
+  reg:
+    description: address of TPM on the I²C bus
+
+  clock-frequency:
+    description: clock frequency used to access TPM on the I²C bus
+
+allOf:
+  - $ref: tpm-common.yaml#
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: infineon,slb9635tt
+    then:
+      properties:
+        clock-frequency:
+          maximum: 100000
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: infineon,slb9645tt
+    then:
+      properties:
+        clock-frequency:
+          maximum: 400000
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        tpm@57 {
+            label = "tpm";
+            compatible = "nuvoton,npct601";
+            reg = <0x57>;
+            linux,sml-base = <0x7f 0xfd450000>;
+            linux,sml-size = <0x10000>;
+        };
+    };
+
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        tpm@13 {
+            reg = <0x13>;
+            compatible = "st,st33zp24-i2c";
+            clock-frequency = <400000>;
+            interrupt-parent = <&gpio5>;
+            interrupts = <7 IRQ_TYPE_LEVEL_HIGH>;
+            lpcpd-gpios = <&gpio5 15 GPIO_ACTIVE_HIGH>;
+        };
+    };
diff --git a/Documentation/devicetree/bindings/tpm/tcg,tpm-tis-mmio.yaml b/Documentation/devicetree/bindings/tpm/tcg,tpm-tis-mmio.yaml
new file mode 100644
index 000000000000..87bce0692129
--- /dev/null
+++ b/Documentation/devicetree/bindings/tpm/tcg,tpm-tis-mmio.yaml
@@ -0,0 +1,49 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/tpm/tcg,tpm-tis-mmio.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MMIO-accessed Trusted Platform Module conforming to TCG TIS specification
+
+maintainers:
+  - Lukas Wunner <lukas@wunner.de>
+
+description: |
+  The Trusted Computing Group (TCG) has defined a multi-vendor standard
+  for accessing a TPM chip.  It can be transported over various buses,
+  one of them being LPC (via MMIO).  The standard is named:
+  TCG PC Client Specific TPM Interface Specification (TIS)
+  https://trustedcomputinggroup.org/resource/pc-client-work-group-pc-client-specific-tpm-interface-specification-tis/
+
+properties:
+  compatible:
+    items:
+      - enum:
+          - at97sc3201
+          - atmel,at97sc3204
+          - socionext,synquacer-tpm-mmio
+      - const: tcg,tpm-tis-mmio
+
+  reg:
+    description:
+      location and length of the MMIO registers, length should be
+      at least 0x5000 bytes
+
+allOf:
+  - $ref: tpm-common.yaml#
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    tpm@90000 {
+        compatible = "atmel,at97sc3204", "tcg,tpm-tis-mmio";
+        reg = <0x90000 0x5000>;
+        interrupt-parent = <&EIC0>;
+        interrupts = <1 2>;
+    };
diff --git a/Documentation/devicetree/bindings/tpm/tcg,tpm_tis-spi.yaml b/Documentation/devicetree/bindings/tpm/tcg,tpm_tis-spi.yaml
new file mode 100644
index 000000000000..f3a5949b091d
--- /dev/null
+++ b/Documentation/devicetree/bindings/tpm/tcg,tpm_tis-spi.yaml
@@ -0,0 +1,79 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/tpm/tcg,tpm_tis-spi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: SPI-attached Trusted Platform Module conforming to TCG TIS specification
+
+maintainers:
+  - Lukas Wunner <lukas@wunner.de>
+
+description: |
+  The Trusted Computing Group (TCG) has defined a multi-vendor standard
+  for accessing a TPM chip.  It can be transported over various buses,
+  one of them being SPI.  The standard is named:
+  TCG PC Client Specific TPM Interface Specification (TIS)
+  https://trustedcomputinggroup.org/resource/pc-client-work-group-pc-client-specific-tpm-interface-specification-tis/
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+          - enum:
+              - infineon,slb9670
+              - st,st33htpm-spi
+              - st,st33zp24-spi
+          - const: tcg,tpm_tis-spi
+
+      - items:
+          - const: google,cr50 # TPM 2.0 (Titan H1 running Cr50 firmware)
+
+allOf:
+  - $ref: tpm-common.yaml#
+  - $ref: /schemas/spi/spi-peripheral-props.yaml#
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: st,st33zp24-spi
+    then:
+      properties:
+        spi-max-frequency:
+          maximum: 10000000
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        tpm@0 {
+            reg = <0>;
+            compatible = "infineon,slb9670", "tcg,tpm_tis-spi";
+            spi-max-frequency = <10000000>;
+        };
+    };
+
+  - |
+    #include <dt-bindings/gpio/gpio.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        tpm@0 {
+            reg = <0>;
+            compatible = "st,st33zp24-spi", "tcg,tpm_tis-spi";
+            spi-max-frequency = <10000000>;
+            interrupt-parent = <&gpio5>;
+            interrupts = <7 IRQ_TYPE_LEVEL_HIGH>;
+            lpcpd-gpios = <&gpio5 15 GPIO_ACTIVE_HIGH>;
+        };
+    };
diff --git a/Documentation/devicetree/bindings/tpm/tpm-common.yaml b/Documentation/devicetree/bindings/tpm/tpm-common.yaml
new file mode 100644
index 000000000000..d7006a802b6e
--- /dev/null
+++ b/Documentation/devicetree/bindings/tpm/tpm-common.yaml
@@ -0,0 +1,72 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/tpm/tpm-common.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Trusted Platform Module common properties
+
+maintainers:
+  - Lukas Wunner <lukas@wunner.de>
+
+properties:
+  $nodename:
+    pattern: '^tpm(@[0-9a-f]+)?$'
+
+  interrupts:
+    description: indicates command completion
+    maxItems: 1
+
+  label:
+    description: human readable string describing the device, e.g. "tpm"
+
+  linux,sml-base:
+    description:
+      base address of reserved memory allocated for firmware event log
+    $ref: /schemas/types.yaml#/definitions/uint64
+
+  linux,sml-size:
+    description:
+      size of reserved memory allocated for firmware event log
+    $ref: /schemas/types.yaml#/definitions/uint32
+
+  memory-region:
+    description: reserved memory allocated for firmware event log
+    maxItems: 1
+
+  powered-while-suspended:
+    description:
+      present when the TPM is left powered on between suspend and resume
+      (makes the suspend/resume callbacks do nothing)
+    type: boolean
+
+# must always have both linux,sml-base and linux,sml-size
+dependentRequired:
+  linux,sml-base: ['linux,sml-size']
+  linux,sml-size: ['linux,sml-base']
+
+# must only have either memory-region or linux,sml-base
+dependentSchemas:
+  memory-region:
+    properties:
+      linux,sml-base: false
+  linux,sml-base:
+    properties:
+      memory-region: false
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            pattern: '^st,st33zp24'
+    then:
+      properties:
+        lpcpd-gpios:
+          description:
+            Output GPIO pin used for ST33ZP24 power management of D1/D2 state.
+            If set, power must be present when the platform is going into
+            sleep/hibernate mode.
+          maxItems: 1
+
+additionalProperties: true
diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml
index c3190f2a168a..29aed5ddba6b 100644
--- a/Documentation/devicetree/bindings/trivial-devices.yaml
+++ b/Documentation/devicetree/bindings/trivial-devices.yaml
@@ -49,8 +49,6 @@ properties:
           - ams,iaq-core
             # i2c serial eeprom (24cxx)
           - at,24c08
-            # i2c trusted platform module (TPM)
-          - atmel,at97sc3204t
             # ATSHA204 - i2c h/w symmetric crypto module
           - atmel,atsha204
             # ATSHA204A - i2c h/w symmetric crypto module
@@ -145,12 +143,6 @@ properties:
           - infineon,ir38263
             # Infineon IRPS5401 Voltage Regulator (PMIC)
           - infineon,irps5401
-            # Infineon SLB9635 (Soft-) I2C TPM (old protocol, max 100khz)
-          - infineon,slb9635tt
-            # Infineon SLB9645 I2C TPM (new protocol, max 400khz)
-          - infineon,slb9645tt
-            # Infineon SLB9673 I2C TPM 2.0
-          - infineon,slb9673
             # Infineon TLV493D-A1B6 I2C 3D Magnetic Sensor
           - infineon,tlv493d-a1b6
             # Infineon Multi-phase Digital VR Controller xdpe11280
@@ -301,10 +293,6 @@ properties:
           - national,lm85
             # I2C ±0.33°C Accurate, 12-Bit + Sign Temperature Sensor and Thermal Window Comparator
           - national,lm92
-            # i2c trusted platform module (TPM)
-          - nuvoton,npct501
-            # i2c trusted platform module (TPM2)
-          - nuvoton,npct601
             # Nuvoton Temperature Sensor
           - nuvoton,w83773g
             # OKI ML86V7667 video decoder
@@ -349,8 +337,6 @@ properties:
           - silabs,si7020
             # Skyworks SKY81452: Six-Channel White LED Driver with Touch Panel Bias Supply
           - skyworks,sky81452
-            # Socionext SynQuacer TPM MMIO module
-          - socionext,synquacer-tpm-mmio
             # SparkFun Qwiic Joystick (COM-15168) with i2c interface
           - sparkfun,qwiic-joystick
             # i2c serial eeprom (24cxx)
@@ -405,8 +391,6 @@ properties:
           - winbond,w83793
             # Vicor Corporation Digital Supervisor
           - vicor,pli1209bc
-            # i2c trusted platform module (TPM)
-          - winbond,wpct301
 
 required:
   - compatible
