linux/Documentation/devicetree/bindings/phy/qcom,sa8775p-dwmac-sgmii-phy.yaml
Bartosz Golaszewski 97b7951257 dt-bindings: phy: describe the Qualcomm SGMII PHY
Describe the SGMII/SerDes PHY present on the sa8775p platforms.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230619091336.194914-3-brgl@bgdev.pl
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2023-06-21 17:45:10 +05:30

56 lines
1.1 KiB
YAML

# 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-supply:
description:
Phandle to a regulator that provides power to the PHY.
"#phy-cells":
const: 0
required:
- compatible
- reg
- "#phy-cells"
- clocks
- clock-names
additionalProperties: false
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>;
};