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@@ -1,15 +1,6 @@
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+// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) 2017, The Linux Foundation. All rights reserved.
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 and
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- * only version 2 as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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- * GNU General Public License for more details.
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- *
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*/
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#include <linux/clk.h>
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@@ -31,124 +22,7 @@
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#include <dt-bindings/phy/phy.h>
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-/* QMP PHY QSERDES COM registers */
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-#define QSERDES_COM_BG_TIMER 0x00c
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-#define QSERDES_COM_SSC_EN_CENTER 0x010
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-#define QSERDES_COM_SSC_ADJ_PER1 0x014
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-#define QSERDES_COM_SSC_ADJ_PER2 0x018
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-#define QSERDES_COM_SSC_PER1 0x01c
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-#define QSERDES_COM_SSC_PER2 0x020
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-#define QSERDES_COM_SSC_STEP_SIZE1 0x024
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-#define QSERDES_COM_SSC_STEP_SIZE2 0x028
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-#define QSERDES_COM_BIAS_EN_CLKBUFLR_EN 0x034
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-#define QSERDES_COM_CLK_ENABLE1 0x038
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-#define QSERDES_COM_SYS_CLK_CTRL 0x03c
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-#define QSERDES_COM_SYSCLK_BUF_ENABLE 0x040
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-#define QSERDES_COM_PLL_IVCO 0x048
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-#define QSERDES_COM_LOCK_CMP1_MODE0 0x04c
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-#define QSERDES_COM_LOCK_CMP2_MODE0 0x050
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-#define QSERDES_COM_LOCK_CMP3_MODE0 0x054
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-#define QSERDES_COM_LOCK_CMP1_MODE1 0x058
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-#define QSERDES_COM_LOCK_CMP2_MODE1 0x05c
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-#define QSERDES_COM_LOCK_CMP3_MODE1 0x060
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-#define QSERDES_COM_BG_TRIM 0x070
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-#define QSERDES_COM_CLK_EP_DIV 0x074
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-#define QSERDES_COM_CP_CTRL_MODE0 0x078
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-#define QSERDES_COM_CP_CTRL_MODE1 0x07c
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-#define QSERDES_COM_PLL_RCTRL_MODE0 0x084
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-#define QSERDES_COM_PLL_RCTRL_MODE1 0x088
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-#define QSERDES_COM_PLL_CCTRL_MODE0 0x090
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-#define QSERDES_COM_PLL_CCTRL_MODE1 0x094
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-#define QSERDES_COM_BIAS_EN_CTRL_BY_PSM 0x0a8
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-#define QSERDES_COM_SYSCLK_EN_SEL 0x0ac
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-#define QSERDES_COM_RESETSM_CNTRL 0x0b4
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-#define QSERDES_COM_RESTRIM_CTRL 0x0bc
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-#define QSERDES_COM_RESCODE_DIV_NUM 0x0c4
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-#define QSERDES_COM_LOCK_CMP_EN 0x0c8
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-#define QSERDES_COM_LOCK_CMP_CFG 0x0cc
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-#define QSERDES_COM_DEC_START_MODE0 0x0d0
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-#define QSERDES_COM_DEC_START_MODE1 0x0d4
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-#define QSERDES_COM_DIV_FRAC_START1_MODE0 0x0dc
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-#define QSERDES_COM_DIV_FRAC_START2_MODE0 0x0e0
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-#define QSERDES_COM_DIV_FRAC_START3_MODE0 0x0e4
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-#define QSERDES_COM_DIV_FRAC_START1_MODE1 0x0e8
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-#define QSERDES_COM_DIV_FRAC_START2_MODE1 0x0ec
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-#define QSERDES_COM_DIV_FRAC_START3_MODE1 0x0f0
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-#define QSERDES_COM_INTEGLOOP_GAIN0_MODE0 0x108
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-#define QSERDES_COM_INTEGLOOP_GAIN1_MODE0 0x10c
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-#define QSERDES_COM_INTEGLOOP_GAIN0_MODE1 0x110
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-#define QSERDES_COM_INTEGLOOP_GAIN1_MODE1 0x114
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-#define QSERDES_COM_VCO_TUNE_CTRL 0x124
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-#define QSERDES_COM_VCO_TUNE_MAP 0x128
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-#define QSERDES_COM_VCO_TUNE1_MODE0 0x12c
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-#define QSERDES_COM_VCO_TUNE2_MODE0 0x130
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-#define QSERDES_COM_VCO_TUNE1_MODE1 0x134
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-#define QSERDES_COM_VCO_TUNE2_MODE1 0x138
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-#define QSERDES_COM_VCO_TUNE_TIMER1 0x144
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-#define QSERDES_COM_VCO_TUNE_TIMER2 0x148
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-#define QSERDES_COM_BG_CTRL 0x170
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-#define QSERDES_COM_CLK_SELECT 0x174
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-#define QSERDES_COM_HSCLK_SEL 0x178
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-#define QSERDES_COM_CORECLK_DIV 0x184
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-#define QSERDES_COM_CORE_CLK_EN 0x18c
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-#define QSERDES_COM_C_READY_STATUS 0x190
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-#define QSERDES_COM_CMN_CONFIG 0x194
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-#define QSERDES_COM_SVS_MODE_CLK_SEL 0x19c
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-#define QSERDES_COM_DEBUG_BUS0 0x1a0
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-#define QSERDES_COM_DEBUG_BUS1 0x1a4
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-#define QSERDES_COM_DEBUG_BUS2 0x1a8
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-#define QSERDES_COM_DEBUG_BUS3 0x1ac
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-#define QSERDES_COM_DEBUG_BUS_SEL 0x1b0
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-#define QSERDES_COM_CORECLK_DIV_MODE1 0x1bc
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-
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-/* QMP PHY TX registers */
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-#define QSERDES_TX_RES_CODE_LANE_OFFSET 0x054
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-#define QSERDES_TX_DEBUG_BUS_SEL 0x064
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-#define QSERDES_TX_HIGHZ_TRANSCEIVEREN_BIAS_DRVR_EN 0x068
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-#define QSERDES_TX_LANE_MODE 0x094
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-#define QSERDES_TX_RCV_DETECT_LVL_2 0x0ac
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-
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-/* QMP PHY RX registers */
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-#define QSERDES_RX_UCDR_SO_GAIN_HALF 0x010
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-#define QSERDES_RX_UCDR_SO_GAIN 0x01c
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-#define QSERDES_RX_UCDR_FASTLOCK_FO_GAIN 0x040
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-#define QSERDES_RX_UCDR_SO_SATURATION_AND_ENABLE 0x048
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-#define QSERDES_RX_RX_TERM_BW 0x090
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-#define QSERDES_RX_RX_EQ_GAIN1_LSB 0x0c4
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-#define QSERDES_RX_RX_EQ_GAIN1_MSB 0x0c8
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-#define QSERDES_RX_RX_EQ_GAIN2_LSB 0x0cc
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-#define QSERDES_RX_RX_EQ_GAIN2_MSB 0x0d0
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-#define QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2 0x0d8
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-#define QSERDES_RX_RX_EQU_ADAPTOR_CNTRL3 0x0dc
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-#define QSERDES_RX_RX_EQU_ADAPTOR_CNTRL4 0x0e0
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-#define QSERDES_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1 0x108
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-#define QSERDES_RX_RX_OFFSET_ADAPTOR_CNTRL2 0x10c
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-#define QSERDES_RX_SIGDET_ENABLES 0x110
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-#define QSERDES_RX_SIGDET_CNTRL 0x114
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-#define QSERDES_RX_SIGDET_LVL 0x118
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-#define QSERDES_RX_SIGDET_DEGLITCH_CNTRL 0x11c
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-#define QSERDES_RX_RX_BAND 0x120
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-#define QSERDES_RX_RX_INTERFACE_MODE 0x12c
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-
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-/* QMP PHY PCS registers */
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-#define QPHY_POWER_DOWN_CONTROL 0x04
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-#define QPHY_TXDEEMPH_M6DB_V0 0x24
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-#define QPHY_TXDEEMPH_M3P5DB_V0 0x28
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-#define QPHY_ENDPOINT_REFCLK_DRIVE 0x54
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-#define QPHY_RX_IDLE_DTCT_CNTRL 0x58
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-#define QPHY_POWER_STATE_CONFIG1 0x60
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-#define QPHY_POWER_STATE_CONFIG2 0x64
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-#define QPHY_POWER_STATE_CONFIG4 0x6c
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-#define QPHY_LOCK_DETECT_CONFIG1 0x80
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-#define QPHY_LOCK_DETECT_CONFIG2 0x84
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-#define QPHY_LOCK_DETECT_CONFIG3 0x88
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-#define QPHY_PWRUP_RESET_DLY_TIME_AUXCLK 0xa0
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-#define QPHY_LP_WAKEUP_DLY_TIME_AUXCLK 0xa4
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-#define QPHY_PLL_LOCK_CHK_DLY_TIME_AUXCLK_LSB 0x1A8
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-#define QPHY_OSC_DTCT_ACTIONS 0x1AC
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-#define QPHY_RX_SIGDET_LVL 0x1D8
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-#define QPHY_L1SS_WAKEUP_DLY_TIME_AUXCLK_LSB 0x1DC
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-#define QPHY_L1SS_WAKEUP_DLY_TIME_AUXCLK_MSB 0x1E0
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+#include "phy-qcom-qmp.h"
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/* QPHY_SW_RESET bit */
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#define SW_RESET BIT(0)
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@@ -164,6 +38,34 @@
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/* QPHY_COM_PCS_READY_STATUS bit */
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#define PCS_READY BIT(0)
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+/* QPHY_V3_DP_COM_RESET_OVRD_CTRL register bits */
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+/* DP PHY soft reset */
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+#define SW_DPPHY_RESET BIT(0)
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+/* mux to select DP PHY reset control, 0:HW control, 1: software reset */
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+#define SW_DPPHY_RESET_MUX BIT(1)
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+/* USB3 PHY soft reset */
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+#define SW_USB3PHY_RESET BIT(2)
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+/* mux to select USB3 PHY reset control, 0:HW control, 1: software reset */
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+#define SW_USB3PHY_RESET_MUX BIT(3)
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+
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+/* QPHY_V3_DP_COM_PHY_MODE_CTRL register bits */
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+#define USB3_MODE BIT(0) /* enables USB3 mode */
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+#define DP_MODE BIT(1) /* enables DP mode */
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+
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+/* QPHY_PCS_AUTONOMOUS_MODE_CTRL register bits */
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+#define ARCVR_DTCT_EN BIT(0)
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+#define ALFPS_DTCT_EN BIT(1)
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+#define ARCVR_DTCT_EVENT_SEL BIT(4)
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+
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+/* QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR register bits */
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+#define IRQ_CLEAR BIT(0)
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+
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+/* QPHY_PCS_LFPS_RXTERM_IRQ_STATUS register bits */
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+#define RCVR_DETECT BIT(0)
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+
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+/* QPHY_V3_PCS_MISC_CLAMP_ENABLE register bits */
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+#define CLAMP_EN BIT(0) /* enables i/o clamp_n */
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+
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#define PHY_INIT_COMPLETE_TIMEOUT 1000
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#define POWER_DOWN_DELAY_US_MIN 10
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#define POWER_DOWN_DELAY_US_MAX 11
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@@ -210,6 +112,9 @@ enum qphy_reg_layout {
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QPHY_SW_RESET,
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QPHY_START_CTRL,
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QPHY_PCS_READY_STATUS,
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+ QPHY_PCS_AUTONOMOUS_MODE_CTRL,
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+ QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR,
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+ QPHY_PCS_LFPS_RXTERM_IRQ_STATUS,
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};
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static const unsigned int pciephy_regs_layout[] = {
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@@ -237,6 +142,18 @@ static const unsigned int usb3phy_regs_layout[] = {
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[QPHY_SW_RESET] = 0x00,
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[QPHY_START_CTRL] = 0x08,
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[QPHY_PCS_READY_STATUS] = 0x17c,
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+ [QPHY_PCS_AUTONOMOUS_MODE_CTRL] = 0x0d4,
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+ [QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = 0x0d8,
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+ [QPHY_PCS_LFPS_RXTERM_IRQ_STATUS] = 0x178,
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+};
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+
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+static const unsigned int qmp_v3_usb3phy_regs_layout[] = {
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+ [QPHY_SW_RESET] = 0x00,
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+ [QPHY_START_CTRL] = 0x08,
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+ [QPHY_PCS_READY_STATUS] = 0x174,
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+ [QPHY_PCS_AUTONOMOUS_MODE_CTRL] = 0x0d8,
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+ [QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = 0x0dc,
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+ [QPHY_PCS_LFPS_RXTERM_IRQ_STATUS] = 0x170,
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};
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static const struct qmp_phy_init_tbl msm8996_pcie_serdes_tbl[] = {
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@@ -467,6 +384,112 @@ static const struct qmp_phy_init_tbl ipq8074_pcie_pcs_tbl[] = {
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QMP_PHY_INIT_CFG_L(QPHY_START_CTRL, 0x3),
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};
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+static const struct qmp_phy_init_tbl qmp_v3_usb3_serdes_tbl[] = {
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_IVCO, 0x07),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYSCLK_EN_SEL, 0x14),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN, 0x08),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_CLK_SELECT, 0x30),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYS_CLK_CTRL, 0x02),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_RESETSM_CNTRL2, 0x08),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_CMN_CONFIG, 0x16),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_SVS_MODE_CLK_SEL, 0x01),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_HSCLK_SEL, 0x80),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_DEC_START_MODE0, 0x82),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START1_MODE0, 0xab),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START2_MODE0, 0xea),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START3_MODE0, 0x02),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_CP_CTRL_MODE0, 0x06),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_RCTRL_MODE0, 0x16),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_CCTRL_MODE0, 0x36),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN1_MODE0, 0x00),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN0_MODE0, 0x3f),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE2_MODE0, 0x01),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE1_MODE0, 0xc9),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_CORECLK_DIV_MODE0, 0x0a),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP3_MODE0, 0x00),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP2_MODE0, 0x34),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP1_MODE0, 0x15),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_EN, 0x04),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_CORE_CLK_EN, 0x00),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_CFG, 0x00),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_MAP, 0x00),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYSCLK_BUF_ENABLE, 0x0a),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_EN_CENTER, 0x01),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_PER1, 0x31),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_PER2, 0x01),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_ADJ_PER1, 0x00),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_ADJ_PER2, 0x00),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_STEP_SIZE1, 0x85),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_STEP_SIZE2, 0x07),
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+};
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+
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+static const struct qmp_phy_init_tbl qmp_v3_usb3_tx_tbl[] = {
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+ QMP_PHY_INIT_CFG(QSERDES_V3_TX_HIGHZ_DRVR_EN, 0x10),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_TX_RCV_DETECT_LVL_2, 0x12),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_TX_LANE_MODE_1, 0x16),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_RX, 0x09),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_TX, 0x06),
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+};
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+
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+static const struct qmp_phy_init_tbl qmp_v3_usb3_rx_tbl[] = {
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+ QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FASTLOCK_FO_GAIN, 0x0b),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4e),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL4, 0x18),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x77),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x80),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_CNTRL, 0x03),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_DEGLITCH_CNTRL, 0x16),
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+ QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x75),
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+};
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+
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|
|
+static const struct qmp_phy_init_tbl qmp_v3_usb3_pcs_tbl[] = {
|
|
|
+ /* FLL settings */
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNTRL2, 0x83),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNT_VAL_L, 0x09),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNT_VAL_H_TOL, 0xa2),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_MAN_CODE, 0x40),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNTRL1, 0x02),
|
|
|
+
|
|
|
+ /* Lock Det settings */
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG1, 0xd1),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG2, 0x1f),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG3, 0x47),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_POWER_STATE_CONFIG2, 0x1b),
|
|
|
+
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_RX_SIGDET_LVL, 0xba),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V0, 0x9f),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V1, 0x9f),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V2, 0xb7),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V3, 0x4e),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V4, 0x65),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_LS, 0x6b),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V0, 0x15),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V0, 0x0d),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V1, 0x15),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V1, 0x0d),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V2, 0x15),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V2, 0x0d),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V3, 0x15),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V3, 0x1d),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V4, 0x15),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V4, 0x0d),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_LS, 0x15),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_LS, 0x0d),
|
|
|
+
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_RATE_SLEW_CNTRL, 0x02),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_PWRUP_RESET_DLY_TIME_AUXCLK, 0x04),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_TSYNC_RSYNC_TIME, 0x44),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_PWRUP_RESET_DLY_TIME_AUXCLK, 0x04),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_P1U2_L, 0xe7),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_P1U2_H, 0x03),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_U3_L, 0x40),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_U3_H, 0x00),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_RXEQTRAINING_WAIT_TIME, 0x75),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_LFPS_TX_ECSTART_EQTLOCK, 0x86),
|
|
|
+ QMP_PHY_INIT_CFG(QPHY_V3_PCS_RXEQTRAINING_RUN_TIME, 0x13),
|
|
|
+};
|
|
|
+
|
|
|
/* struct qmp_phy_cfg - per-PHY initialization config */
|
|
|
struct qmp_phy_cfg {
|
|
|
/* phy-type - PCIE/UFS/USB */
|
|
@@ -511,6 +534,12 @@ struct qmp_phy_cfg {
|
|
|
/* power_down delay in usec */
|
|
|
int pwrdn_delay_min;
|
|
|
int pwrdn_delay_max;
|
|
|
+
|
|
|
+ /* true, if PHY has a separate DP_COM control block */
|
|
|
+ bool has_phy_dp_com_ctrl;
|
|
|
+ /* Register offset of secondary tx/rx lanes for USB DP combo PHY */
|
|
|
+ unsigned int tx_b_lane_offset;
|
|
|
+ unsigned int rx_b_lane_offset;
|
|
|
};
|
|
|
|
|
|
/**
|
|
@@ -520,6 +549,7 @@ struct qmp_phy_cfg {
|
|
|
* @tx: iomapped memory space for lane's tx
|
|
|
* @rx: iomapped memory space for lane's rx
|
|
|
* @pcs: iomapped memory space for lane's pcs
|
|
|
+ * @pcs_misc: iomapped memory space for lane's pcs_misc
|
|
|
* @pipe_clk: pipe lock
|
|
|
* @index: lane index
|
|
|
* @qmp: QMP phy to which this lane belongs
|
|
@@ -530,6 +560,7 @@ struct qmp_phy {
|
|
|
void __iomem *tx;
|
|
|
void __iomem *rx;
|
|
|
void __iomem *pcs;
|
|
|
+ void __iomem *pcs_misc;
|
|
|
struct clk *pipe_clk;
|
|
|
unsigned int index;
|
|
|
struct qcom_qmp *qmp;
|
|
@@ -541,6 +572,7 @@ struct qmp_phy {
|
|
|
*
|
|
|
* @dev: device
|
|
|
* @serdes: iomapped memory space for phy's serdes
|
|
|
+ * @dp_com: iomapped memory space for phy's dp_com control block
|
|
|
*
|
|
|
* @clks: array of clocks required by phy
|
|
|
* @resets: array of resets required by phy
|
|
@@ -550,12 +582,15 @@ struct qmp_phy {
|
|
|
* @phys: array of per-lane phy descriptors
|
|
|
* @phy_mutex: mutex lock for PHY common block initialization
|
|
|
* @init_count: phy common block initialization count
|
|
|
+ * @phy_initialized: indicate if PHY has been initialized
|
|
|
+ * @mode: current PHY mode
|
|
|
*/
|
|
|
struct qcom_qmp {
|
|
|
struct device *dev;
|
|
|
void __iomem *serdes;
|
|
|
+ void __iomem *dp_com;
|
|
|
|
|
|
- struct clk **clks;
|
|
|
+ struct clk_bulk_data *clks;
|
|
|
struct reset_control **resets;
|
|
|
struct regulator_bulk_data *vregs;
|
|
|
|
|
@@ -564,6 +599,8 @@ struct qcom_qmp {
|
|
|
|
|
|
struct mutex phy_mutex;
|
|
|
int init_count;
|
|
|
+ bool phy_initialized;
|
|
|
+ enum phy_mode mode;
|
|
|
};
|
|
|
|
|
|
static inline void qphy_setbits(void __iomem *base, u32 offset, u32 val)
|
|
@@ -595,6 +632,10 @@ static const char * const msm8996_phy_clk_l[] = {
|
|
|
"aux", "cfg_ahb", "ref",
|
|
|
};
|
|
|
|
|
|
+static const char * const qmp_v3_phy_clk_l[] = {
|
|
|
+ "aux", "cfg_ahb", "ref", "com_aux",
|
|
|
+};
|
|
|
+
|
|
|
/* list of resets */
|
|
|
static const char * const msm8996_pciephy_reset_l[] = {
|
|
|
"phy", "common", "cfg",
|
|
@@ -701,6 +742,38 @@ static const struct qmp_phy_cfg ipq8074_pciephy_cfg = {
|
|
|
.pwrdn_delay_max = 1005, /* us */
|
|
|
};
|
|
|
|
|
|
+static const struct qmp_phy_cfg qmp_v3_usb3phy_cfg = {
|
|
|
+ .type = PHY_TYPE_USB3,
|
|
|
+ .nlanes = 1,
|
|
|
+
|
|
|
+ .serdes_tbl = qmp_v3_usb3_serdes_tbl,
|
|
|
+ .serdes_tbl_num = ARRAY_SIZE(qmp_v3_usb3_serdes_tbl),
|
|
|
+ .tx_tbl = qmp_v3_usb3_tx_tbl,
|
|
|
+ .tx_tbl_num = ARRAY_SIZE(qmp_v3_usb3_tx_tbl),
|
|
|
+ .rx_tbl = qmp_v3_usb3_rx_tbl,
|
|
|
+ .rx_tbl_num = ARRAY_SIZE(qmp_v3_usb3_rx_tbl),
|
|
|
+ .pcs_tbl = qmp_v3_usb3_pcs_tbl,
|
|
|
+ .pcs_tbl_num = ARRAY_SIZE(qmp_v3_usb3_pcs_tbl),
|
|
|
+ .clk_list = qmp_v3_phy_clk_l,
|
|
|
+ .num_clks = ARRAY_SIZE(qmp_v3_phy_clk_l),
|
|
|
+ .reset_list = msm8996_usb3phy_reset_l,
|
|
|
+ .num_resets = ARRAY_SIZE(msm8996_usb3phy_reset_l),
|
|
|
+ .vreg_list = msm8996_phy_vreg_l,
|
|
|
+ .num_vregs = ARRAY_SIZE(msm8996_phy_vreg_l),
|
|
|
+ .regs = qmp_v3_usb3phy_regs_layout,
|
|
|
+
|
|
|
+ .start_ctrl = SERDES_START | PCS_START,
|
|
|
+ .pwrdn_ctrl = SW_PWRDN,
|
|
|
+ .mask_pcs_ready = PHYSTATUS,
|
|
|
+
|
|
|
+ .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN,
|
|
|
+ .pwrdn_delay_max = POWER_DOWN_DELAY_US_MAX,
|
|
|
+
|
|
|
+ .has_phy_dp_com_ctrl = true,
|
|
|
+ .tx_b_lane_offset = 0x400,
|
|
|
+ .rx_b_lane_offset = 0x400,
|
|
|
+};
|
|
|
+
|
|
|
static void qcom_qmp_phy_configure(void __iomem *base,
|
|
|
const unsigned int *regs,
|
|
|
const struct qmp_phy_init_tbl tbl[],
|
|
@@ -724,44 +797,20 @@ static int qcom_qmp_phy_poweron(struct phy *phy)
|
|
|
{
|
|
|
struct qmp_phy *qphy = phy_get_drvdata(phy);
|
|
|
struct qcom_qmp *qmp = qphy->qmp;
|
|
|
- int num = qmp->cfg->num_vregs;
|
|
|
int ret;
|
|
|
|
|
|
- dev_vdbg(&phy->dev, "Powering on QMP phy\n");
|
|
|
-
|
|
|
- /* turn on regulator supplies */
|
|
|
- ret = regulator_bulk_enable(num, qmp->vregs);
|
|
|
- if (ret) {
|
|
|
- dev_err(qmp->dev, "failed to enable regulators, err=%d\n", ret);
|
|
|
- return ret;
|
|
|
- }
|
|
|
-
|
|
|
ret = clk_prepare_enable(qphy->pipe_clk);
|
|
|
- if (ret) {
|
|
|
+ if (ret)
|
|
|
dev_err(qmp->dev, "pipe_clk enable failed, err=%d\n", ret);
|
|
|
- regulator_bulk_disable(num, qmp->vregs);
|
|
|
- return ret;
|
|
|
- }
|
|
|
|
|
|
- return 0;
|
|
|
-}
|
|
|
-
|
|
|
-static int qcom_qmp_phy_poweroff(struct phy *phy)
|
|
|
-{
|
|
|
- struct qmp_phy *qphy = phy_get_drvdata(phy);
|
|
|
- struct qcom_qmp *qmp = qphy->qmp;
|
|
|
-
|
|
|
- clk_disable_unprepare(qphy->pipe_clk);
|
|
|
-
|
|
|
- regulator_bulk_disable(qmp->cfg->num_vregs, qmp->vregs);
|
|
|
-
|
|
|
- return 0;
|
|
|
+ return ret;
|
|
|
}
|
|
|
|
|
|
static int qcom_qmp_phy_com_init(struct qcom_qmp *qmp)
|
|
|
{
|
|
|
const struct qmp_phy_cfg *cfg = qmp->cfg;
|
|
|
void __iomem *serdes = qmp->serdes;
|
|
|
+ void __iomem *dp_com = qmp->dp_com;
|
|
|
int ret, i;
|
|
|
|
|
|
mutex_lock(&qmp->phy_mutex);
|
|
@@ -770,7 +819,23 @@ static int qcom_qmp_phy_com_init(struct qcom_qmp *qmp)
|
|
|
return 0;
|
|
|
}
|
|
|
|
|
|
+ /* turn on regulator supplies */
|
|
|
+ ret = regulator_bulk_enable(cfg->num_vregs, qmp->vregs);
|
|
|
+ if (ret) {
|
|
|
+ dev_err(qmp->dev, "failed to enable regulators, err=%d\n", ret);
|
|
|
+ goto err_reg_enable;
|
|
|
+ }
|
|
|
+
|
|
|
for (i = 0; i < cfg->num_resets; i++) {
|
|
|
+ ret = reset_control_assert(qmp->resets[i]);
|
|
|
+ if (ret) {
|
|
|
+ dev_err(qmp->dev, "%s reset assert failed\n",
|
|
|
+ cfg->reset_list[i]);
|
|
|
+ goto err_rst_assert;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ for (i = cfg->num_resets - 1; i >= 0; i--) {
|
|
|
ret = reset_control_deassert(qmp->resets[i]);
|
|
|
if (ret) {
|
|
|
dev_err(qmp->dev, "%s reset deassert failed\n",
|
|
@@ -779,10 +844,33 @@ static int qcom_qmp_phy_com_init(struct qcom_qmp *qmp)
|
|
|
}
|
|
|
}
|
|
|
|
|
|
+ ret = clk_bulk_prepare_enable(cfg->num_clks, qmp->clks);
|
|
|
+ if (ret) {
|
|
|
+ dev_err(qmp->dev, "failed to enable clks, err=%d\n", ret);
|
|
|
+ goto err_rst;
|
|
|
+ }
|
|
|
+
|
|
|
if (cfg->has_phy_com_ctrl)
|
|
|
qphy_setbits(serdes, cfg->regs[QPHY_COM_POWER_DOWN_CONTROL],
|
|
|
SW_PWRDN);
|
|
|
|
|
|
+ if (cfg->has_phy_dp_com_ctrl) {
|
|
|
+ qphy_setbits(dp_com, QPHY_V3_DP_COM_POWER_DOWN_CTRL,
|
|
|
+ SW_PWRDN);
|
|
|
+ /* override hardware control for reset of qmp phy */
|
|
|
+ qphy_setbits(dp_com, QPHY_V3_DP_COM_RESET_OVRD_CTRL,
|
|
|
+ SW_DPPHY_RESET_MUX | SW_DPPHY_RESET |
|
|
|
+ SW_USB3PHY_RESET_MUX | SW_USB3PHY_RESET);
|
|
|
+
|
|
|
+ qphy_setbits(dp_com, QPHY_V3_DP_COM_PHY_MODE_CTRL,
|
|
|
+ USB3_MODE | DP_MODE);
|
|
|
+
|
|
|
+ /* bring both QMP USB and QMP DP PHYs PCS block out of reset */
|
|
|
+ qphy_clrbits(dp_com, QPHY_V3_DP_COM_RESET_OVRD_CTRL,
|
|
|
+ SW_DPPHY_RESET_MUX | SW_DPPHY_RESET |
|
|
|
+ SW_USB3PHY_RESET_MUX | SW_USB3PHY_RESET);
|
|
|
+ }
|
|
|
+
|
|
|
/* Serdes configuration */
|
|
|
qcom_qmp_phy_configure(serdes, cfg->regs, cfg->serdes_tbl,
|
|
|
cfg->serdes_tbl_num);
|
|
@@ -803,7 +891,7 @@ static int qcom_qmp_phy_com_init(struct qcom_qmp *qmp)
|
|
|
if (ret) {
|
|
|
dev_err(qmp->dev,
|
|
|
"phy common block init timed-out\n");
|
|
|
- goto err_rst;
|
|
|
+ goto err_com_init;
|
|
|
}
|
|
|
}
|
|
|
|
|
@@ -811,9 +899,14 @@ static int qcom_qmp_phy_com_init(struct qcom_qmp *qmp)
|
|
|
|
|
|
return 0;
|
|
|
|
|
|
+err_com_init:
|
|
|
+ clk_bulk_disable_unprepare(cfg->num_clks, qmp->clks);
|
|
|
err_rst:
|
|
|
- while (--i >= 0)
|
|
|
+ while (++i < cfg->num_resets)
|
|
|
reset_control_assert(qmp->resets[i]);
|
|
|
+err_rst_assert:
|
|
|
+ regulator_bulk_disable(cfg->num_vregs, qmp->vregs);
|
|
|
+err_reg_enable:
|
|
|
mutex_unlock(&qmp->phy_mutex);
|
|
|
|
|
|
return ret;
|
|
@@ -843,6 +936,10 @@ static int qcom_qmp_phy_com_exit(struct qcom_qmp *qmp)
|
|
|
while (--i >= 0)
|
|
|
reset_control_assert(qmp->resets[i]);
|
|
|
|
|
|
+ clk_bulk_disable_unprepare(cfg->num_clks, qmp->clks);
|
|
|
+
|
|
|
+ regulator_bulk_disable(cfg->num_vregs, qmp->vregs);
|
|
|
+
|
|
|
mutex_unlock(&qmp->phy_mutex);
|
|
|
|
|
|
return 0;
|
|
@@ -857,24 +954,16 @@ static int qcom_qmp_phy_init(struct phy *phy)
|
|
|
void __iomem *tx = qphy->tx;
|
|
|
void __iomem *rx = qphy->rx;
|
|
|
void __iomem *pcs = qphy->pcs;
|
|
|
+ void __iomem *dp_com = qmp->dp_com;
|
|
|
void __iomem *status;
|
|
|
unsigned int mask, val;
|
|
|
- int ret, i;
|
|
|
+ int ret;
|
|
|
|
|
|
dev_vdbg(qmp->dev, "Initializing QMP phy\n");
|
|
|
|
|
|
- for (i = 0; i < qmp->cfg->num_clks; i++) {
|
|
|
- ret = clk_prepare_enable(qmp->clks[i]);
|
|
|
- if (ret) {
|
|
|
- dev_err(qmp->dev, "failed to enable %s clk, err=%d\n",
|
|
|
- qmp->cfg->clk_list[i], ret);
|
|
|
- goto err_clk;
|
|
|
- }
|
|
|
- }
|
|
|
-
|
|
|
ret = qcom_qmp_phy_com_init(qmp);
|
|
|
if (ret)
|
|
|
- goto err_clk;
|
|
|
+ return ret;
|
|
|
|
|
|
if (cfg->has_lane_rst) {
|
|
|
ret = reset_control_deassert(qphy->lane_rst);
|
|
@@ -887,7 +976,16 @@ static int qcom_qmp_phy_init(struct phy *phy)
|
|
|
|
|
|
/* Tx, Rx, and PCS configurations */
|
|
|
qcom_qmp_phy_configure(tx, cfg->regs, cfg->tx_tbl, cfg->tx_tbl_num);
|
|
|
+ /* Configuration for other LANE for USB-DP combo PHY */
|
|
|
+ if (cfg->has_phy_dp_com_ctrl)
|
|
|
+ qcom_qmp_phy_configure(tx + cfg->tx_b_lane_offset, cfg->regs,
|
|
|
+ cfg->tx_tbl, cfg->tx_tbl_num);
|
|
|
+
|
|
|
qcom_qmp_phy_configure(rx, cfg->regs, cfg->rx_tbl, cfg->rx_tbl_num);
|
|
|
+ if (cfg->has_phy_dp_com_ctrl)
|
|
|
+ qcom_qmp_phy_configure(rx + cfg->rx_b_lane_offset, cfg->regs,
|
|
|
+ cfg->rx_tbl, cfg->rx_tbl_num);
|
|
|
+
|
|
|
qcom_qmp_phy_configure(pcs, cfg->regs, cfg->pcs_tbl, cfg->pcs_tbl_num);
|
|
|
|
|
|
/*
|
|
@@ -899,11 +997,13 @@ static int qcom_qmp_phy_init(struct phy *phy)
|
|
|
if (cfg->has_pwrdn_delay)
|
|
|
usleep_range(cfg->pwrdn_delay_min, cfg->pwrdn_delay_max);
|
|
|
|
|
|
- /* start SerDes and Phy-Coding-Sublayer */
|
|
|
- qphy_setbits(pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl);
|
|
|
-
|
|
|
/* Pull PHY out of reset state */
|
|
|
qphy_clrbits(pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
|
|
|
+ if (cfg->has_phy_dp_com_ctrl)
|
|
|
+ qphy_clrbits(dp_com, QPHY_V3_DP_COM_SW_RESET, SW_RESET);
|
|
|
+
|
|
|
+ /* start SerDes and Phy-Coding-Sublayer */
|
|
|
+ qphy_setbits(pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl);
|
|
|
|
|
|
status = pcs + cfg->regs[QPHY_PCS_READY_STATUS];
|
|
|
mask = cfg->mask_pcs_ready;
|
|
@@ -914,6 +1014,7 @@ static int qcom_qmp_phy_init(struct phy *phy)
|
|
|
dev_err(qmp->dev, "phy initialization timed-out\n");
|
|
|
goto err_pcs_ready;
|
|
|
}
|
|
|
+ qmp->phy_initialized = true;
|
|
|
|
|
|
return ret;
|
|
|
|
|
@@ -922,9 +1023,6 @@ err_pcs_ready:
|
|
|
reset_control_assert(qphy->lane_rst);
|
|
|
err_lane_rst:
|
|
|
qcom_qmp_phy_com_exit(qmp);
|
|
|
-err_clk:
|
|
|
- while (--i >= 0)
|
|
|
- clk_disable_unprepare(qmp->clks[i]);
|
|
|
|
|
|
return ret;
|
|
|
}
|
|
@@ -934,7 +1032,8 @@ static int qcom_qmp_phy_exit(struct phy *phy)
|
|
|
struct qmp_phy *qphy = phy_get_drvdata(phy);
|
|
|
struct qcom_qmp *qmp = qphy->qmp;
|
|
|
const struct qmp_phy_cfg *cfg = qmp->cfg;
|
|
|
- int i = cfg->num_clks;
|
|
|
+
|
|
|
+ clk_disable_unprepare(qphy->pipe_clk);
|
|
|
|
|
|
/* PHY reset */
|
|
|
qphy_setbits(qphy->pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
|
|
@@ -950,8 +1049,127 @@ static int qcom_qmp_phy_exit(struct phy *phy)
|
|
|
|
|
|
qcom_qmp_phy_com_exit(qmp);
|
|
|
|
|
|
- while (--i >= 0)
|
|
|
- clk_disable_unprepare(qmp->clks[i]);
|
|
|
+ qmp->phy_initialized = false;
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int qcom_qmp_phy_set_mode(struct phy *phy, enum phy_mode mode)
|
|
|
+{
|
|
|
+ struct qmp_phy *qphy = phy_get_drvdata(phy);
|
|
|
+ struct qcom_qmp *qmp = qphy->qmp;
|
|
|
+
|
|
|
+ qmp->mode = mode;
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static void qcom_qmp_phy_enable_autonomous_mode(struct qmp_phy *qphy)
|
|
|
+{
|
|
|
+ struct qcom_qmp *qmp = qphy->qmp;
|
|
|
+ const struct qmp_phy_cfg *cfg = qmp->cfg;
|
|
|
+ void __iomem *pcs = qphy->pcs;
|
|
|
+ void __iomem *pcs_misc = qphy->pcs_misc;
|
|
|
+ u32 intr_mask;
|
|
|
+
|
|
|
+ if (qmp->mode == PHY_MODE_USB_HOST_SS ||
|
|
|
+ qmp->mode == PHY_MODE_USB_DEVICE_SS)
|
|
|
+ intr_mask = ARCVR_DTCT_EN | ALFPS_DTCT_EN;
|
|
|
+ else
|
|
|
+ intr_mask = ARCVR_DTCT_EN | ARCVR_DTCT_EVENT_SEL;
|
|
|
+
|
|
|
+ /* Clear any pending interrupts status */
|
|
|
+ qphy_setbits(pcs, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR);
|
|
|
+ /* Writing 1 followed by 0 clears the interrupt */
|
|
|
+ qphy_clrbits(pcs, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR);
|
|
|
+
|
|
|
+ qphy_clrbits(pcs, cfg->regs[QPHY_PCS_AUTONOMOUS_MODE_CTRL],
|
|
|
+ ARCVR_DTCT_EN | ALFPS_DTCT_EN | ARCVR_DTCT_EVENT_SEL);
|
|
|
+
|
|
|
+ /* Enable required PHY autonomous mode interrupts */
|
|
|
+ qphy_setbits(pcs, cfg->regs[QPHY_PCS_AUTONOMOUS_MODE_CTRL], intr_mask);
|
|
|
+
|
|
|
+ /* Enable i/o clamp_n for autonomous mode */
|
|
|
+ if (pcs_misc)
|
|
|
+ qphy_clrbits(pcs_misc, QPHY_V3_PCS_MISC_CLAMP_ENABLE, CLAMP_EN);
|
|
|
+}
|
|
|
+
|
|
|
+static void qcom_qmp_phy_disable_autonomous_mode(struct qmp_phy *qphy)
|
|
|
+{
|
|
|
+ struct qcom_qmp *qmp = qphy->qmp;
|
|
|
+ const struct qmp_phy_cfg *cfg = qmp->cfg;
|
|
|
+ void __iomem *pcs = qphy->pcs;
|
|
|
+ void __iomem *pcs_misc = qphy->pcs_misc;
|
|
|
+
|
|
|
+ /* Disable i/o clamp_n on resume for normal mode */
|
|
|
+ if (pcs_misc)
|
|
|
+ qphy_setbits(pcs_misc, QPHY_V3_PCS_MISC_CLAMP_ENABLE, CLAMP_EN);
|
|
|
+
|
|
|
+ qphy_clrbits(pcs, cfg->regs[QPHY_PCS_AUTONOMOUS_MODE_CTRL],
|
|
|
+ ARCVR_DTCT_EN | ARCVR_DTCT_EVENT_SEL | ALFPS_DTCT_EN);
|
|
|
+
|
|
|
+ qphy_setbits(pcs, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR);
|
|
|
+ /* Writing 1 followed by 0 clears the interrupt */
|
|
|
+ qphy_clrbits(pcs, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR);
|
|
|
+}
|
|
|
+
|
|
|
+static int __maybe_unused qcom_qmp_phy_runtime_suspend(struct device *dev)
|
|
|
+{
|
|
|
+ struct qcom_qmp *qmp = dev_get_drvdata(dev);
|
|
|
+ struct qmp_phy *qphy = qmp->phys[0];
|
|
|
+ const struct qmp_phy_cfg *cfg = qmp->cfg;
|
|
|
+
|
|
|
+ dev_vdbg(dev, "Suspending QMP phy, mode:%d\n", qmp->mode);
|
|
|
+
|
|
|
+ /* Supported only for USB3 PHY */
|
|
|
+ if (cfg->type != PHY_TYPE_USB3)
|
|
|
+ return 0;
|
|
|
+
|
|
|
+ if (!qmp->phy_initialized) {
|
|
|
+ dev_vdbg(dev, "PHY not initialized, bailing out\n");
|
|
|
+ return 0;
|
|
|
+ }
|
|
|
+
|
|
|
+ qcom_qmp_phy_enable_autonomous_mode(qphy);
|
|
|
+
|
|
|
+ clk_disable_unprepare(qphy->pipe_clk);
|
|
|
+ clk_bulk_disable_unprepare(cfg->num_clks, qmp->clks);
|
|
|
+
|
|
|
+ return 0;
|
|
|
+}
|
|
|
+
|
|
|
+static int __maybe_unused qcom_qmp_phy_runtime_resume(struct device *dev)
|
|
|
+{
|
|
|
+ struct qcom_qmp *qmp = dev_get_drvdata(dev);
|
|
|
+ struct qmp_phy *qphy = qmp->phys[0];
|
|
|
+ const struct qmp_phy_cfg *cfg = qmp->cfg;
|
|
|
+ int ret = 0;
|
|
|
+
|
|
|
+ dev_vdbg(dev, "Resuming QMP phy, mode:%d\n", qmp->mode);
|
|
|
+
|
|
|
+ /* Supported only for USB3 PHY */
|
|
|
+ if (cfg->type != PHY_TYPE_USB3)
|
|
|
+ return 0;
|
|
|
+
|
|
|
+ if (!qmp->phy_initialized) {
|
|
|
+ dev_vdbg(dev, "PHY not initialized, bailing out\n");
|
|
|
+ return 0;
|
|
|
+ }
|
|
|
+
|
|
|
+ ret = clk_bulk_prepare_enable(cfg->num_clks, qmp->clks);
|
|
|
+ if (ret) {
|
|
|
+ dev_err(qmp->dev, "failed to enable clks, err=%d\n", ret);
|
|
|
+ return ret;
|
|
|
+ }
|
|
|
+
|
|
|
+ ret = clk_prepare_enable(qphy->pipe_clk);
|
|
|
+ if (ret) {
|
|
|
+ dev_err(dev, "pipe_clk enable failed, err=%d\n", ret);
|
|
|
+ clk_bulk_disable_unprepare(cfg->num_clks, qmp->clks);
|
|
|
+ return ret;
|
|
|
+ }
|
|
|
+
|
|
|
+ qcom_qmp_phy_disable_autonomous_mode(qphy);
|
|
|
|
|
|
return 0;
|
|
|
}
|
|
@@ -1000,29 +1218,17 @@ static int qcom_qmp_phy_reset_init(struct device *dev)
|
|
|
static int qcom_qmp_phy_clk_init(struct device *dev)
|
|
|
{
|
|
|
struct qcom_qmp *qmp = dev_get_drvdata(dev);
|
|
|
- int ret, i;
|
|
|
+ int num = qmp->cfg->num_clks;
|
|
|
+ int i;
|
|
|
|
|
|
- qmp->clks = devm_kcalloc(dev, qmp->cfg->num_clks,
|
|
|
- sizeof(*qmp->clks), GFP_KERNEL);
|
|
|
+ qmp->clks = devm_kcalloc(dev, num, sizeof(*qmp->clks), GFP_KERNEL);
|
|
|
if (!qmp->clks)
|
|
|
return -ENOMEM;
|
|
|
|
|
|
- for (i = 0; i < qmp->cfg->num_clks; i++) {
|
|
|
- struct clk *_clk;
|
|
|
- const char *name = qmp->cfg->clk_list[i];
|
|
|
-
|
|
|
- _clk = devm_clk_get(dev, name);
|
|
|
- if (IS_ERR(_clk)) {
|
|
|
- ret = PTR_ERR(_clk);
|
|
|
- if (ret != -EPROBE_DEFER)
|
|
|
- dev_err(dev, "failed to get %s clk, %d\n",
|
|
|
- name, ret);
|
|
|
- return ret;
|
|
|
- }
|
|
|
- qmp->clks[i] = _clk;
|
|
|
- }
|
|
|
+ for (i = 0; i < num; i++)
|
|
|
+ qmp->clks[i].id = qmp->cfg->clk_list[i];
|
|
|
|
|
|
- return 0;
|
|
|
+ return devm_clk_bulk_get(dev, num, qmp->clks);
|
|
|
}
|
|
|
|
|
|
/*
|
|
@@ -1078,7 +1284,7 @@ static const struct phy_ops qcom_qmp_phy_gen_ops = {
|
|
|
.init = qcom_qmp_phy_init,
|
|
|
.exit = qcom_qmp_phy_exit,
|
|
|
.power_on = qcom_qmp_phy_poweron,
|
|
|
- .power_off = qcom_qmp_phy_poweroff,
|
|
|
+ .set_mode = qcom_qmp_phy_set_mode,
|
|
|
.owner = THIS_MODULE,
|
|
|
};
|
|
|
|
|
@@ -1097,7 +1303,8 @@ int qcom_qmp_phy_create(struct device *dev, struct device_node *np, int id)
|
|
|
|
|
|
/*
|
|
|
* Get memory resources for each phy lane:
|
|
|
- * Resources are indexed as: tx -> 0; rx -> 1; pcs -> 2.
|
|
|
+ * Resources are indexed as: tx -> 0; rx -> 1; pcs -> 2; and
|
|
|
+ * pcs_misc (optional) -> 3.
|
|
|
*/
|
|
|
qphy->tx = of_iomap(np, 0);
|
|
|
if (!qphy->tx)
|
|
@@ -1111,6 +1318,10 @@ int qcom_qmp_phy_create(struct device *dev, struct device_node *np, int id)
|
|
|
if (!qphy->pcs)
|
|
|
return -ENOMEM;
|
|
|
|
|
|
+ qphy->pcs_misc = of_iomap(np, 3);
|
|
|
+ if (!qphy->pcs_misc)
|
|
|
+ dev_vdbg(dev, "PHY pcs_misc-reg not used\n");
|
|
|
+
|
|
|
/*
|
|
|
* Get PHY's Pipe clock, if any. USB3 and PCIe are PIPE3
|
|
|
* based phys, so they essentially have pipe clock. So,
|
|
@@ -1169,11 +1380,19 @@ static const struct of_device_id qcom_qmp_phy_of_match_table[] = {
|
|
|
}, {
|
|
|
.compatible = "qcom,ipq8074-qmp-pcie-phy",
|
|
|
.data = &ipq8074_pciephy_cfg,
|
|
|
+ }, {
|
|
|
+ .compatible = "qcom,qmp-v3-usb3-phy",
|
|
|
+ .data = &qmp_v3_usb3phy_cfg,
|
|
|
},
|
|
|
{ },
|
|
|
};
|
|
|
MODULE_DEVICE_TABLE(of, qcom_qmp_phy_of_match_table);
|
|
|
|
|
|
+static const struct dev_pm_ops qcom_qmp_phy_pm_ops = {
|
|
|
+ SET_RUNTIME_PM_OPS(qcom_qmp_phy_runtime_suspend,
|
|
|
+ qcom_qmp_phy_runtime_resume, NULL)
|
|
|
+};
|
|
|
+
|
|
|
static int qcom_qmp_phy_probe(struct platform_device *pdev)
|
|
|
{
|
|
|
struct qcom_qmp *qmp;
|
|
@@ -1192,6 +1411,11 @@ static int qcom_qmp_phy_probe(struct platform_device *pdev)
|
|
|
qmp->dev = dev;
|
|
|
dev_set_drvdata(dev, qmp);
|
|
|
|
|
|
+ /* Get the specific init parameters of QMP phy */
|
|
|
+ qmp->cfg = of_device_get_match_data(dev);
|
|
|
+ if (!qmp->cfg)
|
|
|
+ return -EINVAL;
|
|
|
+
|
|
|
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
|
|
|
base = devm_ioremap_resource(dev, res);
|
|
|
if (IS_ERR(base))
|
|
@@ -1200,10 +1424,18 @@ static int qcom_qmp_phy_probe(struct platform_device *pdev)
|
|
|
/* per PHY serdes; usually located at base address */
|
|
|
qmp->serdes = base;
|
|
|
|
|
|
- mutex_init(&qmp->phy_mutex);
|
|
|
+ /* per PHY dp_com; if PHY has dp_com control block */
|
|
|
+ if (qmp->cfg->has_phy_dp_com_ctrl) {
|
|
|
+ res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
|
|
|
+ "dp_com");
|
|
|
+ base = devm_ioremap_resource(dev, res);
|
|
|
+ if (IS_ERR(base))
|
|
|
+ return PTR_ERR(base);
|
|
|
|
|
|
- /* Get the specific init parameters of QMP phy */
|
|
|
- qmp->cfg = of_device_get_match_data(dev);
|
|
|
+ qmp->dp_com = base;
|
|
|
+ }
|
|
|
+
|
|
|
+ mutex_init(&qmp->phy_mutex);
|
|
|
|
|
|
ret = qcom_qmp_phy_clk_init(dev);
|
|
|
if (ret)
|
|
@@ -1229,12 +1461,21 @@ static int qcom_qmp_phy_probe(struct platform_device *pdev)
|
|
|
return -ENOMEM;
|
|
|
|
|
|
id = 0;
|
|
|
+ pm_runtime_set_active(dev);
|
|
|
+ pm_runtime_enable(dev);
|
|
|
+ /*
|
|
|
+ * Prevent runtime pm from being ON by default. Users can enable
|
|
|
+ * it using power/control in sysfs.
|
|
|
+ */
|
|
|
+ pm_runtime_forbid(dev);
|
|
|
+
|
|
|
for_each_available_child_of_node(dev->of_node, child) {
|
|
|
/* Create per-lane phy */
|
|
|
ret = qcom_qmp_phy_create(dev, child, id);
|
|
|
if (ret) {
|
|
|
dev_err(dev, "failed to create lane%d phy, %d\n",
|
|
|
id, ret);
|
|
|
+ pm_runtime_disable(dev);
|
|
|
return ret;
|
|
|
}
|
|
|
|
|
@@ -1246,6 +1487,7 @@ static int qcom_qmp_phy_probe(struct platform_device *pdev)
|
|
|
if (ret) {
|
|
|
dev_err(qmp->dev,
|
|
|
"failed to register pipe clock source\n");
|
|
|
+ pm_runtime_disable(dev);
|
|
|
return ret;
|
|
|
}
|
|
|
id++;
|
|
@@ -1254,6 +1496,8 @@ static int qcom_qmp_phy_probe(struct platform_device *pdev)
|
|
|
phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
|
|
|
if (!IS_ERR(phy_provider))
|
|
|
dev_info(dev, "Registered Qcom-QMP phy\n");
|
|
|
+ else
|
|
|
+ pm_runtime_disable(dev);
|
|
|
|
|
|
return PTR_ERR_OR_ZERO(phy_provider);
|
|
|
}
|
|
@@ -1262,6 +1506,7 @@ static struct platform_driver qcom_qmp_phy_driver = {
|
|
|
.probe = qcom_qmp_phy_probe,
|
|
|
.driver = {
|
|
|
.name = "qcom-qmp-phy",
|
|
|
+ .pm = &qcom_qmp_phy_pm_ops,
|
|
|
.of_match_table = qcom_qmp_phy_of_match_table,
|
|
|
},
|
|
|
};
|