diff --git a/Bindings/spmi/hisilicon,hisi-spmi-controller.yaml b/Bindings/spmi/hisilicon,hisi-spmi-controller.yaml
new file mode 100644
index 0000000..f882903
--- /dev/null
+++ b/Bindings/spmi/hisilicon,hisi-spmi-controller.yaml
@@ -0,0 +1,73 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spmi/hisilicon,hisi-spmi-controller.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: HiSilicon SPMI controller
+
+maintainers:
+  - Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
+
+description: |
+  The HiSilicon SPMI BUS controller is found on some Kirin-based designs.
+  It is a MIPI System Power Management (SPMI) controller.
+
+  The PMIC part is provided by
+  ./Documentation/devicetree/bindings/mfd/hisilicon,hi6421-spmi-pmic.yaml.
+
+allOf:
+  - $ref: spmi.yaml#
+
+properties:
+
+  $nodename:
+    pattern: "spmi@[0-9a-f]"
+
+  compatible:
+    const: hisilicon,kirin970-spmi-controller
+
+  reg:
+    maxItems: 1
+
+  hisilicon,spmi-channel:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    description: |
+      number of the Kirin 970 SPMI channel where the SPMI devices are connected.
+
+required:
+  - compatible
+  - reg
+  - hisilicon,spmi-channel
+
+patternProperties:
+  "@[0-9a-f]$":
+    type: object
+
+    description: |
+      PMIC properties, which are specific to the used SPMI PMIC device(s).
+      When used in combination with HiSilicon 6421v600, the properties
+      are documented at
+      drivers/staging/hikey9xx/hisilicon,hi6421-spmi-pmic.yaml.
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    bus {
+      #address-cells = <2>;
+      #size-cells = <2>;
+
+      spmi: spmi@fff24000 {
+        compatible = "hisilicon,kirin970-spmi-controller";
+        #address-cells = <2>;
+        #size-cells = <0>;
+        reg = <0x0 0xfff24000 0x0 0x1000>;
+        hisilicon,spmi-channel = <2>;
+
+        pmic@0 {
+          reg = <0 0>;
+          /* pmic properties */
+        };
+      };
+    };
diff --git a/Bindings/spmi/mtk,spmi-mtk-pmif.yaml b/Bindings/spmi/mtk,spmi-mtk-pmif.yaml
new file mode 100644
index 0000000..ac99883
--- /dev/null
+++ b/Bindings/spmi/mtk,spmi-mtk-pmif.yaml
@@ -0,0 +1,81 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spmi/mtk,spmi-mtk-pmif.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Mediatek SPMI Controller
+
+maintainers:
+  - Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com>
+
+description: |+
+  On MediaTek SoCs the PMIC is connected via SPMI and the controller allows
+  for multiple SoCs to control a single SPMI master.
+
+allOf:
+  - $ref: spmi.yaml
+
+properties:
+  compatible:
+    oneOf:
+      - enum:
+          - mediatek,mt6873-spmi
+          - mediatek,mt8195-spmi
+      - items:
+          - enum:
+              - mediatek,mt8186-spmi
+          - const: mediatek,mt8195-spmi
+
+  reg:
+    maxItems: 2
+
+  reg-names:
+    items:
+      - const: pmif
+      - const: spmimst
+
+  clocks:
+    minItems: 3
+    maxItems: 3
+
+  clock-names:
+    items:
+      - const: pmif_sys_ck
+      - const: pmif_tmr_ck
+      - const: spmimst_clk_mux
+
+  assigned-clocks:
+    maxItems: 1
+
+  assigned-clock-parents:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - reg-names
+  - clocks
+  - clock-names
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/mt8192-clk.h>
+
+    spmi: spmi@10027000 {
+        compatible = "mediatek,mt6873-spmi";
+        reg = <0x10027000 0xe00>,
+              <0x10029000 0x100>;
+        reg-names = "pmif", "spmimst";
+        clocks = <&infracfg CLK_INFRA_PMIC_AP>,
+                 <&infracfg CLK_INFRA_PMIC_TMR>,
+                 <&topckgen CLK_TOP_SPMI_MST_SEL>;
+        clock-names = "pmif_sys_ck",
+                      "pmif_tmr_ck",
+                      "spmimst_clk_mux";
+        assigned-clocks = <&topckgen CLK_TOP_PWRAP_ULPOSC_SEL>;
+        assigned-clock-parents = <&topckgen CLK_TOP_OSC_D10>;
+    };
+...
diff --git a/Bindings/spmi/qcom,spmi-pmic-arb.yaml b/Bindings/spmi/qcom,spmi-pmic-arb.yaml
new file mode 100644
index 0000000..f983b4a
--- /dev/null
+++ b/Bindings/spmi/qcom,spmi-pmic-arb.yaml
@@ -0,0 +1,127 @@
+# SPDX-License-Identifier: GPL-2.0-only
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spmi/qcom,spmi-pmic-arb.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm SPMI Controller (PMIC Arbiter)
+
+maintainers:
+  - Stephen Boyd <sboyd@kernel.org>
+
+description: |
+  The SPMI PMIC Arbiter is found on Snapdragon chipsets. It is an SPMI
+  controller with wrapping arbitration logic to allow for multiple on-chip
+  devices to control a single SPMI master.
+
+  The PMIC Arbiter can also act as an interrupt controller, providing interrupts
+  to slave devices.
+
+allOf:
+  - $ref: spmi.yaml
+
+properties:
+  compatible:
+    const: qcom,spmi-pmic-arb
+
+  reg:
+    oneOf:
+      - items: # V1
+          - description: core registers
+          - description: interrupt controller registers
+          - description: configuration registers
+      - items: # V2
+          - description: core registers
+          - description: tx-channel per virtual slave regosters
+          - description: rx-channel (called observer) per virtual slave registers
+          - description: interrupt controller registers
+          - description: configuration registers
+
+  reg-names:
+    oneOf:
+      - items:
+          - const: core
+          - const: intr
+          - const: cnfg
+      - items:
+          - const: core
+          - const: chnls
+          - const: obsrvr
+          - const: intr
+          - const: cnfg
+
+  interrupts:
+    maxItems: 1
+
+  interrupt-names:
+    const: periph_irq
+
+  interrupt-controller: true
+
+  '#address-cells': true
+
+  '#interrupt-cells':
+    const: 4
+    description: |
+      cell 1: slave ID for the requested interrupt (0-15)
+      cell 2: peripheral ID for requested interrupt (0-255)
+      cell 3: the requested peripheral interrupt (0-7)
+      cell 4: interrupt flags indicating level-sense information,
+              as defined in dt-bindings/interrupt-controller/irq.h
+
+  '#size-cells': true
+
+  qcom,ee:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    minimum: 0
+    maximum: 5
+    description: >
+      indicates the active Execution Environment identifier
+
+  qcom,channel:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    minimum: 0
+    maximum: 5
+    description: >
+      which of the PMIC Arb provided channels to use for accesses
+
+  qcom,bus-id:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    minimum: 0
+    maximum: 1
+    description: >
+      SPMI bus instance. only applicable to PMIC arbiter version 7 and beyond.
+      Supported values, 0 = primary bus, 1 = secondary bus
+
+required:
+  - compatible
+  - reg-names
+  - qcom,ee
+  - qcom,channel
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    spmi@fc4cf000 {
+        compatible = "qcom,spmi-pmic-arb";
+        reg-names = "core", "intr", "cnfg";
+        reg = <0xfc4cf000 0x1000>,
+              <0xfc4cb000 0x1000>,
+              <0xfc4ca000 0x1000>;
+
+        interrupt-names = "periph_irq";
+        interrupts = <0 190 0>;
+
+        qcom,ee = <0>;
+        qcom,channel = <0>;
+
+        #address-cells = <2>;
+        #size-cells = <0>;
+
+        interrupt-controller;
+        #interrupt-cells = <4>;
+
+        qcom,bus-id = <0>;
+    };
+
diff --git a/Bindings/spmi/spmi.yaml b/Bindings/spmi/spmi.yaml
new file mode 100644
index 0000000..c1b06fa
--- /dev/null
+++ b/Bindings/spmi/spmi.yaml
@@ -0,0 +1,75 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/spmi/spmi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: System Power Management Interface (SPMI) Controller
+
+maintainers:
+  - Stephen Boyd <sboyd@kernel.org>
+
+description: |
+  The System Power Management (SPMI) controller is a 2-wire bus defined
+  by the MIPI Alliance for power management control to be used on SoC designs.
+
+  SPMI controllers are modelled in device tree using a generic set of
+  bindings defined here, plus any bus controller specific properties, if
+  needed.
+
+  Each SPMI controller has zero or more child nodes (up to 16 ones), each
+  one representing an unique slave at the bus.
+
+properties:
+  $nodename:
+    pattern: "^spmi@.*"
+
+  "#address-cells":
+    const: 2
+
+  "#size-cells":
+    const: 0
+
+patternProperties:
+  "@[0-9a-f]$":
+    description: up to 16 child PMIC nodes
+    type: object
+
+    properties:
+      reg:
+        items:
+          - minItems: 1
+            items:
+              - minimum: 0
+                maximum: 0xf
+              - enum: [ 0 ]
+                description:
+                  0 means user ID address. 1 is reserved for group ID
+                  address.
+
+    required:
+      - reg
+
+required:
+  - reg
+
+additionalProperties: true
+
+examples:
+  - |
+    #include <dt-bindings/spmi/spmi.h>
+
+    spmi@0 {
+      reg = <0 0>;
+
+      #address-cells = <2>;
+      #size-cells = <0>;
+
+      child@0 {
+        reg = <0 SPMI_USID>;
+      };
+
+      child@7 {
+        reg = <7 SPMI_USID>;
+      };
+    };