1 files changed, 112 insertions, 0 deletions
diff --git a/dts/Bindings/phy/samsung,ufs-phy.yaml b/dts/Bindings/phy/samsung,ufs-phy.yaml
new file mode 100644
index 0000000000..782f975b43
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+++ b/dts/Bindings/phy/samsung,ufs-phy.yaml
@@ -0,0 +1,112 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/samsung,ufs-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Samsung SoC series UFS PHY
+
+maintainers:
+  - Alim Akhtar <alim.akhtar@samsung.com>
+
+properties:
+  "#phy-cells":
+    const: 0
+
+  compatible:
+    enum:
+      - samsung,exynos7-ufs-phy
+      - samsung,exynosautov9-ufs-phy
+      - tesla,fsd-ufs-phy
+
+  reg:
+    maxItems: 1
+
+  reg-names:
+    items:
+      - const: phy-pma
+
+  clocks:
+    minItems: 1
+    maxItems: 4
+
+  clock-names:
+    minItems: 1
+    maxItems: 4
+
+  samsung,pmu-syscon:
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+    maxItems: 1
+    items:
+      minItems: 1
+      items:
+        - description: phandle for PMU system controller interface, used to
+                       control pmu registers bits for ufs m-phy
+        - description: offset of the pmu control register
+    description:
+      It can be phandle/offset pair. The second cell which can represent an
+      offset is optional.
+
+required:
+  - "#phy-cells"
+  - compatible
+  - reg
+  - reg-names
+  - clocks
+  - clock-names
+  - samsung,pmu-syscon
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: samsung,exynos7-ufs-phy
+
+    then:
+      properties:
+        clocks:
+          items:
+            - description: PLL reference clock
+            - description: symbol clock for input symbol (rx0-ch0 symbol clock)
+            - description: symbol clock for input symbol (rx1-ch1 symbol clock)
+            - description: symbol clock for output symbol (tx0 symbol clock)
+
+        clock-names:
+          items:
+            - const: ref_clk
+            - const: rx1_symbol_clk
+            - const: rx0_symbol_clk
+            - const: tx0_symbol_clk
+
+    else:
+      properties:
+        clocks:
+          items:
+            - description: PLL reference clock
+
+        clock-names:
+          items:
+            - const: ref_clk
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/exynos7-clk.h>
+
+    ufs_phy: ufs-phy@15571800 {
+        compatible = "samsung,exynos7-ufs-phy";
+        reg = <0x15571800 0x240>;
+        reg-names = "phy-pma";
+        samsung,pmu-syscon = <&pmu_system_controller>;
+        #phy-cells = <0>;
+        clocks = <&clock_fsys1 SCLK_COMBO_PHY_EMBEDDED_26M>,
+                 <&clock_fsys1 PHYCLK_UFS20_RX1_SYMBOL_USER>,
+                 <&clock_fsys1 PHYCLK_UFS20_RX0_SYMBOL_USER>,
+                 <&clock_fsys1 PHYCLK_UFS20_TX0_SYMBOL_USER>;
+        clock-names = "ref_clk", "rx1_symbol_clk",
+                      "rx0_symbol_clk", "tx0_symbol_clk";
+
+    };
+...