[PATCH 02/26] dt-bindings: phy: describe the Qualcomm SGMII PHY

Bartosz Golaszewski
2023-06-12T09:24:31Z

From: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

Describe the SGMII/SerDes PHY present on the sa8775p platforms.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
---
.../phy/qcom,sa8775p-dwmac-sgmii-phy.yaml | 52 +++++++++++++++++++
1 file changed, 52 insertions(+)
create mode 100644 Documentation/devicetree/bindings/phy/qcom,sa8775p-dwmac-sgmii-phy.yaml

diff --git a/Documentation/devicetree/bindings/phy/qcom,sa8775p-dwmac-sgmii-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,sa8775p-dwmac-sgmii-phy.yaml
new file mode 100644
index 000000000000..ba8d2bee1563
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/qcom,sa8775p-dwmac-sgmii-phy.yaml
@@ -0,0 +1,52 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/qcom,sa8775p-dwmac-sgmii-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm SerDes/SGMII ethernet PHY controller
+
+maintainers:
+ - Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
+
+description:
+ The SerDes PHY sits between the MAC and the external PHY and provides
+ separate Rx Tx lines.
+
+properties:
+ compatible:
+ const: qcom,sa8775p-dwmac-sgmii-phy
+
+ reg:
+ items:
+ - description: serdes
+
+ clocks:
+ maxItems: 1
+
+ clock-names:
+ const: sgmi_ref
+
+ "#phy-cells":
+ const: 0
+
+additionalProperties: false
+
+required:
+ - compatible
+ - reg
+ - "#phy-cells"
+ - clocks
+ - clock-names
+
+examples:
+ - |
+ #include <dt-bindings/clock/qcom,sa8775p-gcc.h>
+ serdes_phy: phy@8901000 {
+ compatible = "qcom,sa8775p-dwmac-sgmii-phy";
+ reg = <0x08901000 0xe10>;
+ clocks = <&gcc GCC_SGMI_CLKREF_EN>;
+ clock-names = "sgmi_ref";
+ #phy-cells = <0>;
+ status = "disabled";
+ };
--
2.39.2