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path: root/drivers/phy/qualcomm/phy-qcom-qmp.c
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-rw-r--r--drivers/phy/qualcomm/phy-qcom-qmp.c647
1 files changed, 446 insertions, 201 deletions
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c
index e17f0351ccc2..6470c5d61d1c 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
@@ -1,15 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2017, The Linux Foundation. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 and
- * only version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
*/
#include <linux/clk.h>
@@ -31,124 +22,7 @@
#include <dt-bindings/phy/phy.h>
-/* QMP PHY QSERDES COM registers */
-#define QSERDES_COM_BG_TIMER 0x00c
-#define QSERDES_COM_SSC_EN_CENTER 0x010
-#define QSERDES_COM_SSC_ADJ_PER1 0x014
-#define QSERDES_COM_SSC_ADJ_PER2 0x018
-#define QSERDES_COM_SSC_PER1 0x01c
-#define QSERDES_COM_SSC_PER2 0x020
-#define QSERDES_COM_SSC_STEP_SIZE1 0x024
-#define QSERDES_COM_SSC_STEP_SIZE2 0x028
-#define QSERDES_COM_BIAS_EN_CLKBUFLR_EN 0x034
-#define QSERDES_COM_CLK_ENABLE1 0x038
-#define QSERDES_COM_SYS_CLK_CTRL 0x03c
-#define QSERDES_COM_SYSCLK_BUF_ENABLE 0x040
-#define QSERDES_COM_PLL_IVCO 0x048
-#define QSERDES_COM_LOCK_CMP1_MODE0 0x04c
-#define QSERDES_COM_LOCK_CMP2_MODE0 0x050
-#define QSERDES_COM_LOCK_CMP3_MODE0 0x054
-#define QSERDES_COM_LOCK_CMP1_MODE1 0x058
-#define QSERDES_COM_LOCK_CMP2_MODE1 0x05c
-#define QSERDES_COM_LOCK_CMP3_MODE1 0x060
-#define QSERDES_COM_BG_TRIM 0x070
-#define QSERDES_COM_CLK_EP_DIV 0x074
-#define QSERDES_COM_CP_CTRL_MODE0 0x078
-#define QSERDES_COM_CP_CTRL_MODE1 0x07c
-#define QSERDES_COM_PLL_RCTRL_MODE0 0x084
-#define QSERDES_COM_PLL_RCTRL_MODE1 0x088
-#define QSERDES_COM_PLL_CCTRL_MODE0 0x090
-#define QSERDES_COM_PLL_CCTRL_MODE1 0x094
-#define QSERDES_COM_BIAS_EN_CTRL_BY_PSM 0x0a8
-#define QSERDES_COM_SYSCLK_EN_SEL 0x0ac
-#define QSERDES_COM_RESETSM_CNTRL 0x0b4
-#define QSERDES_COM_RESTRIM_CTRL 0x0bc
-#define QSERDES_COM_RESCODE_DIV_NUM 0x0c4
-#define QSERDES_COM_LOCK_CMP_EN 0x0c8
-#define QSERDES_COM_LOCK_CMP_CFG 0x0cc
-#define QSERDES_COM_DEC_START_MODE0 0x0d0
-#define QSERDES_COM_DEC_START_MODE1 0x0d4
-#define QSERDES_COM_DIV_FRAC_START1_MODE0 0x0dc
-#define QSERDES_COM_DIV_FRAC_START2_MODE0 0x0e0
-#define QSERDES_COM_DIV_FRAC_START3_MODE0 0x0e4
-#define QSERDES_COM_DIV_FRAC_START1_MODE1 0x0e8
-#define QSERDES_COM_DIV_FRAC_START2_MODE1 0x0ec
-#define QSERDES_COM_DIV_FRAC_START3_MODE1 0x0f0
-#define QSERDES_COM_INTEGLOOP_GAIN0_MODE0 0x108
-#define QSERDES_COM_INTEGLOOP_GAIN1_MODE0 0x10c
-#define QSERDES_COM_INTEGLOOP_GAIN0_MODE1 0x110
-#define QSERDES_COM_INTEGLOOP_GAIN1_MODE1 0x114
-#define QSERDES_COM_VCO_TUNE_CTRL 0x124
-#define QSERDES_COM_VCO_TUNE_MAP 0x128
-#define QSERDES_COM_VCO_TUNE1_MODE0 0x12c
-#define QSERDES_COM_VCO_TUNE2_MODE0 0x130
-#define QSERDES_COM_VCO_TUNE1_MODE1 0x134
-#define QSERDES_COM_VCO_TUNE2_MODE1 0x138
-#define QSERDES_COM_VCO_TUNE_TIMER1 0x144
-#define QSERDES_COM_VCO_TUNE_TIMER2 0x148
-#define QSERDES_COM_BG_CTRL 0x170
-#define QSERDES_COM_CLK_SELECT 0x174
-#define QSERDES_COM_HSCLK_SEL 0x178
-#define QSERDES_COM_CORECLK_DIV 0x184
-#define QSERDES_COM_CORE_CLK_EN 0x18c
-#define QSERDES_COM_C_READY_STATUS 0x190
-#define QSERDES_COM_CMN_CONFIG 0x194
-#define QSERDES_COM_SVS_MODE_CLK_SEL 0x19c
-#define QSERDES_COM_DEBUG_BUS0 0x1a0
-#define QSERDES_COM_DEBUG_BUS1 0x1a4
-#define QSERDES_COM_DEBUG_BUS2 0x1a8
-#define QSERDES_COM_DEBUG_BUS3 0x1ac
-#define QSERDES_COM_DEBUG_BUS_SEL 0x1b0
-#define QSERDES_COM_CORECLK_DIV_MODE1 0x1bc
-
-/* QMP PHY TX registers */
-#define QSERDES_TX_RES_CODE_LANE_OFFSET 0x054
-#define QSERDES_TX_DEBUG_BUS_SEL 0x064
-#define QSERDES_TX_HIGHZ_TRANSCEIVEREN_BIAS_DRVR_EN 0x068
-#define QSERDES_TX_LANE_MODE 0x094
-#define QSERDES_TX_RCV_DETECT_LVL_2 0x0ac
-
-/* QMP PHY RX registers */
-#define QSERDES_RX_UCDR_SO_GAIN_HALF 0x010
-#define QSERDES_RX_UCDR_SO_GAIN 0x01c
-#define QSERDES_RX_UCDR_FASTLOCK_FO_GAIN 0x040
-#define QSERDES_RX_UCDR_SO_SATURATION_AND_ENABLE 0x048
-#define QSERDES_RX_RX_TERM_BW 0x090
-#define QSERDES_RX_RX_EQ_GAIN1_LSB 0x0c4
-#define QSERDES_RX_RX_EQ_GAIN1_MSB 0x0c8
-#define QSERDES_RX_RX_EQ_GAIN2_LSB 0x0cc
-#define QSERDES_RX_RX_EQ_GAIN2_MSB 0x0d0
-#define QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2 0x0d8
-#define QSERDES_RX_RX_EQU_ADAPTOR_CNTRL3 0x0dc
-#define QSERDES_RX_RX_EQU_ADAPTOR_CNTRL4 0x0e0
-#define QSERDES_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1 0x108
-#define QSERDES_RX_RX_OFFSET_ADAPTOR_CNTRL2 0x10c
-#define QSERDES_RX_SIGDET_ENABLES 0x110
-#define QSERDES_RX_SIGDET_CNTRL 0x114
-#define QSERDES_RX_SIGDET_LVL 0x118
-#define QSERDES_RX_SIGDET_DEGLITCH_CNTRL 0x11c
-#define QSERDES_RX_RX_BAND 0x120
-#define QSERDES_RX_RX_INTERFACE_MODE 0x12c
-
-/* QMP PHY PCS registers */
-#define QPHY_POWER_DOWN_CONTROL 0x04
-#define QPHY_TXDEEMPH_M6DB_V0 0x24
-#define QPHY_TXDEEMPH_M3P5DB_V0 0x28
-#define QPHY_ENDPOINT_REFCLK_DRIVE 0x54
-#define QPHY_RX_IDLE_DTCT_CNTRL 0x58
-#define QPHY_POWER_STATE_CONFIG1 0x60
-#define QPHY_POWER_STATE_CONFIG2 0x64
-#define QPHY_POWER_STATE_CONFIG4 0x6c
-#define QPHY_LOCK_DETECT_CONFIG1 0x80
-#define QPHY_LOCK_DETECT_CONFIG2 0x84
-#define QPHY_LOCK_DETECT_CONFIG3 0x88
-#define QPHY_PWRUP_RESET_DLY_TIME_AUXCLK 0xa0
-#define QPHY_LP_WAKEUP_DLY_TIME_AUXCLK 0xa4
-#define QPHY_PLL_LOCK_CHK_DLY_TIME_AUXCLK_LSB 0x1A8
-#define QPHY_OSC_DTCT_ACTIONS 0x1AC
-#define QPHY_RX_SIGDET_LVL 0x1D8
-#define QPHY_L1SS_WAKEUP_DLY_TIME_AUXCLK_LSB 0x1DC
-#define QPHY_L1SS_WAKEUP_DLY_TIME_AUXCLK_MSB 0x1E0
+#include "phy-qcom-qmp.h"
/* QPHY_SW_RESET bit */
#define SW_RESET BIT(0)
@@ -164,6 +38,34 @@
/* QPHY_COM_PCS_READY_STATUS bit */
#define PCS_READY BIT(0)
+/* QPHY_V3_DP_COM_RESET_OVRD_CTRL register bits */
+/* DP PHY soft reset */
+#define SW_DPPHY_RESET BIT(0)
+/* mux to select DP PHY reset control, 0:HW control, 1: software reset */
+#define SW_DPPHY_RESET_MUX BIT(1)
+/* USB3 PHY soft reset */
+#define SW_USB3PHY_RESET BIT(2)
+/* mux to select USB3 PHY reset control, 0:HW control, 1: software reset */
+#define SW_USB3PHY_RESET_MUX BIT(3)
+
+/* QPHY_V3_DP_COM_PHY_MODE_CTRL register bits */
+#define USB3_MODE BIT(0) /* enables USB3 mode */
+#define DP_MODE BIT(1) /* enables DP mode */
+
+/* QPHY_PCS_AUTONOMOUS_MODE_CTRL register bits */
+#define ARCVR_DTCT_EN BIT(0)
+#define ALFPS_DTCT_EN BIT(1)
+#define ARCVR_DTCT_EVENT_SEL BIT(4)
+
+/* QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR register bits */
+#define IRQ_CLEAR BIT(0)
+
+/* QPHY_PCS_LFPS_RXTERM_IRQ_STATUS register bits */
+#define RCVR_DETECT BIT(0)
+
+/* QPHY_V3_PCS_MISC_CLAMP_ENABLE register bits */
+#define CLAMP_EN BIT(0) /* enables i/o clamp_n */
+
#define PHY_INIT_COMPLETE_TIMEOUT 1000
#define POWER_DOWN_DELAY_US_MIN 10
#define POWER_DOWN_DELAY_US_MAX 11
@@ -210,6 +112,9 @@ enum qphy_reg_layout {
QPHY_SW_RESET,
QPHY_START_CTRL,
QPHY_PCS_READY_STATUS,
+ QPHY_PCS_AUTONOMOUS_MODE_CTRL,
+ QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR,
+ QPHY_PCS_LFPS_RXTERM_IRQ_STATUS,
};
static const unsigned int pciephy_regs_layout[] = {
@@ -237,6 +142,18 @@ static const unsigned int usb3phy_regs_layout[] = {
[QPHY_SW_RESET] = 0x00,
[QPHY_START_CTRL] = 0x08,
[QPHY_PCS_READY_STATUS] = 0x17c,
+ [QPHY_PCS_AUTONOMOUS_MODE_CTRL] = 0x0d4,
+ [QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = 0x0d8,
+ [QPHY_PCS_LFPS_RXTERM_IRQ_STATUS] = 0x178,
+};
+
+static const unsigned int qmp_v3_usb3phy_regs_layout[] = {
+ [QPHY_SW_RESET] = 0x00,
+ [QPHY_START_CTRL] = 0x08,
+ [QPHY_PCS_READY_STATUS] = 0x174,
+ [QPHY_PCS_AUTONOMOUS_MODE_CTRL] = 0x0d8,
+ [QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = 0x0dc,
+ [QPHY_PCS_LFPS_RXTERM_IRQ_STATUS] = 0x170,
};
static const struct qmp_phy_init_tbl msm8996_pcie_serdes_tbl[] = {
@@ -467,6 +384,112 @@ static const struct qmp_phy_init_tbl ipq8074_pcie_pcs_tbl[] = {
QMP_PHY_INIT_CFG_L(QPHY_START_CTRL, 0x3),
};
+static const struct qmp_phy_init_tbl qmp_v3_usb3_serdes_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_IVCO, 0x07),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYSCLK_EN_SEL, 0x14),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN, 0x08),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_CLK_SELECT, 0x30),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYS_CLK_CTRL, 0x02),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_RESETSM_CNTRL2, 0x08),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_CMN_CONFIG, 0x16),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_SVS_MODE_CLK_SEL, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_HSCLK_SEL, 0x80),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_DEC_START_MODE0, 0x82),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START1_MODE0, 0xab),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START2_MODE0, 0xea),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START3_MODE0, 0x02),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_CP_CTRL_MODE0, 0x06),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_RCTRL_MODE0, 0x16),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_CCTRL_MODE0, 0x36),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN1_MODE0, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN0_MODE0, 0x3f),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE2_MODE0, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE1_MODE0, 0xc9),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_CORECLK_DIV_MODE0, 0x0a),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP3_MODE0, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP2_MODE0, 0x34),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP1_MODE0, 0x15),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_EN, 0x04),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_CORE_CLK_EN, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_CFG, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_MAP, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYSCLK_BUF_ENABLE, 0x0a),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_EN_CENTER, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_PER1, 0x31),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_PER2, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_ADJ_PER1, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_ADJ_PER2, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_STEP_SIZE1, 0x85),
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_STEP_SIZE2, 0x07),
+};
+
+static const struct qmp_phy_init_tbl qmp_v3_usb3_tx_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V3_TX_HIGHZ_DRVR_EN, 0x10),
+ QMP_PHY_INIT_CFG(QSERDES_V3_TX_RCV_DETECT_LVL_2, 0x12),
+ QMP_PHY_INIT_CFG(QSERDES_V3_TX_LANE_MODE_1, 0x16),
+ QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_RX, 0x09),
+ QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_TX, 0x06),
+};
+
+static const struct qmp_phy_init_tbl qmp_v3_usb3_rx_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FASTLOCK_FO_GAIN, 0x0b),
+ QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f),
+ QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4e),
+ QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL4, 0x18),
+ QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x77),
+ QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x80),
+ QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_CNTRL, 0x03),
+ QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_DEGLITCH_CNTRL, 0x16),
+ QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x75),
+};
+
+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,
},
};
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