FreeBSD/Linux Kernel Cross Reference
sys/dts/include/dt-bindings/net/qcom-qca807x.h

     /*-
      * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
      *
      * Copyright (c) 2022 Adrian Chadd <adrian@FreeBSD.org>
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions are
      * met:
      * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in
     *    the documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
     * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
     * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     */
    
    /*
     * DT constants for the Qualcomm QCA807x PHY
     */
    
    #ifndef _DT_BINDINGS_NET_QCOM_QCA807X_H__
    #define _DT_BINDINGS_NET_QCOM_QCA807X_H__
    
    /*
     * PSGMII driver configuration.  This controls the TX voltage
     * used between the SoC and the external PHY over the SERDES
     * interface.
     *
     * The default value is 12 (600mV)
     */
    #define PSGMII_QSGMII_TX_DRIVER_140MV   0
    #define PSGMII_QSGMII_TX_DRIVER_160MV   1
    #define PSGMII_QSGMII_TX_DRIVER_180MV   2
    #define PSGMII_QSGMII_TX_DRIVER_200MV   3
    #define PSGMII_QSGMII_TX_DRIVER_220MV   4
    #define PSGMII_QSGMII_TX_DRIVER_240MV   5
    #define PSGMII_QSGMII_TX_DRIVER_260MV   6
    #define PSGMII_QSGMII_TX_DRIVER_280MV   7
    #define PSGMII_QSGMII_TX_DRIVER_300MV   8
    #define PSGMII_QSGMII_TX_DRIVER_320MV   9
    #define PSGMII_QSGMII_TX_DRIVER_400MV   10
    #define PSGMII_QSGMII_TX_DRIVER_500MV   11
    #define PSGMII_QSGMII_TX_DRIVER_600MV   12
    
    /*
     * These fields control the PHY power saving based on the
     * cable length.
     *
     * 0 - full amplitude, full bias current
     * 1 - amplitude follows cable length, half bias current
     * 2 - full amplitude, bias current follows cable length
     * 3 - both amplitude and bias current follow cable length
     * 4 - full amplitude, half bias current
     * 5 - amplitude follows cable length, 1/4 bias current
     *     when cable length < 10m else half bias current
     * 6 - full amplitude, bias current follows cable length,
     *     bias reduced further by half when cable length < 10m
     * 7 - amplitude follows cable length, same bias current
     *     setting as '6'
     */
    #define QCA807X_CONTROL_DAC_FULL_VOLT_BIAS              0
    #define QCA807X_CONTROL_DAC_DSP_VOLT_HALF_BIAS          1
    #define QCA807X_CONTROL_DAC_FULL_VOLT_DSP_BIAS          2
    #define QCA807X_CONTROL_DAC_DSP_VOLT_BIAS               3
    #define QCA807X_CONTROL_DAC_FULL_VOLT_HALF_BIAS         4
    #define QCA807X_CONTROL_DAC_DSP_VOLT_QUARTER_BIAS       5
    #define QCA807X_CONTROL_DAC_FULL_VOLT_HALF_BIAS_SHORT   6
    #define QCA807X_CONTROL_DAC_DSP_VOLT_HALF_BIAS_SHORT    7
    
    #endif  /* __DT_BINDINGS_NET_QCOM_QCA807X_H__ */

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