[PATCH v3 1/3] dt-bindings: phy: rockchip: Add Naneng combo PHY bindings

[Yifeng Zhao]

Add the compatible strings for the Naneng combo PHY found on rockchip SoC.

Signed-off-by: Yifeng Zhao <yifeng.zhao at rock-chips.com>
---

Changes in v3: None
Changes in v2:
- Fix dtschema/dtc warnings/errors

 .../phy/phy-rockchip-naneng-combphy.yaml      | 98 +++++++++++++++++++
 1 file changed, 98 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/phy-rockchip-naneng-combphy.yaml

diff --git a/Documentation/devicetree/bindings/phy/phy-rockchip-naneng-combphy.yaml b/Documentation/devicetree/bindings/phy/phy-rockchip-naneng-combphy.yaml
new file mode 100644
index 000000000000..55ad33d902ec
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/phy-rockchip-naneng-combphy.yaml
@@ -0,0 +1,98 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/phy-rockchip-naneng-combphy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Rockchip SoC Naneng Combo Phy Device Tree Bindings
+
+maintainers:
+  - Heiko Stuebner <heiko at sntech.de>
+
+properties:
+  compatible:
+    enum:
+      - rockchip,rk3568-naneng-combphy
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    minItems: 1
+    items:
+      - description: reference clock
+      - description: apb clock
+      - description: pipe clock
+
+  clock-names:
+    minItems: 1
+    items:
+      - const: ref
+      - const: apb
+      - const: pipe
+
+  '#phy-cells':
+    const: 1
+
+  resets:
+    minItems: 1
+    items:
+      - description: exclusive apb reset line
+      - description: exclusive PHY reset line
+
+  reset-names:
+    minItems: 1
+    items:
+      - const: combphy-apb
+      - const: combphy
+
+  rockchip,pipe-grf:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      Some additional phy settings are access through GRF regs.
+
+  rockchip,pipe-phy-grf:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      Some additional pipe settings are access through GRF regs.
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - '#phy-cells'
+  - resets
+  - reset-names
+  - rockchip,pipe-grf
+  - rockchip,pipe-phy-grf
+
+additionalProperties: false
+
+examples:
+  - |
+
+    #include <dt-bindings/clock/rk3568-cru.h>
+
+    pipegrf: syscon at fdc50000 {
+      reg = <0xfdc50000 0x1000>;
+    };
+
+    pipe_phy_grf0: syscon at fdc70000 {
+      reg = <0xfdc70000 0x1000>;
+    };
+
+    combphy0_us: phy at fe820000 {
+      compatible = "rockchip,rk3568-naneng-combphy";
+      reg = <0xfe820000 0x100>;
+      #phy-cells = <1>;
+      clocks = <&pmucru CLK_PCIEPHY0_REF>, <&cru PCLK_PIPEPHY0>,
+        <&cru PCLK_PIPE>;
+      clock-names = "ref", "apb", "pipe";
+      assigned-clocks = <&pmucru CLK_PCIEPHY0_REF>;
+      assigned-clock-rates = <100000000>;
+      resets = <&cru SRST_P_PIPEPHY0>, <&cru SRST_PIPEPHY0>;
+      reset-names = "combphy-apb", "combphy";
+      rockchip,pipe-grf = <&pipegrf>;
+      rockchip,pipe-phy-grf = <&pipe_phy_grf0>;
+    };
-- 
2.17.1