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-rw-r--r--drivers/phy/qualcomm/phy-qcom-qmp.c647
-rw-r--r--drivers/phy/qualcomm/phy-qcom-qmp.h280
-rw-r--r--drivers/phy/qualcomm/phy-qcom-qusb2.c418
3 files changed, 1077 insertions, 268 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,
},
};
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.h b/drivers/phy/qualcomm/phy-qcom-qmp.h
new file mode 100644
index 000000000000..d1c6905d0439
--- /dev/null
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.h
@@ -0,0 +1,280 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2017, The Linux Foundation. All rights reserved.
+ */
+
+#ifndef QCOM_PHY_QMP_H_
+#define QCOM_PHY_QMP_H_
+
+/* Only for QMP V2 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
+
+/* Only for QMP V2 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
+
+/* Only for QMP V2 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
+
+/* Only for QMP V2 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
+
+/* Only for QMP V3 PHY - DP COM registers */
+#define QPHY_V3_DP_COM_PHY_MODE_CTRL 0x00
+#define QPHY_V3_DP_COM_SW_RESET 0x04
+#define QPHY_V3_DP_COM_POWER_DOWN_CTRL 0x08
+#define QPHY_V3_DP_COM_SWI_CTRL 0x0c
+#define QPHY_V3_DP_COM_TYPEC_CTRL 0x10
+#define QPHY_V3_DP_COM_TYPEC_PWRDN_CTRL 0x14
+#define QPHY_V3_DP_COM_RESET_OVRD_CTRL 0x1c
+
+/* Only for QMP V3 PHY - QSERDES COM registers */
+#define QSERDES_V3_COM_BG_TIMER 0x00c
+#define QSERDES_V3_COM_SSC_EN_CENTER 0x010
+#define QSERDES_V3_COM_SSC_ADJ_PER1 0x014
+#define QSERDES_V3_COM_SSC_ADJ_PER2 0x018
+#define QSERDES_V3_COM_SSC_PER1 0x01c
+#define QSERDES_V3_COM_SSC_PER2 0x020
+#define QSERDES_V3_COM_SSC_STEP_SIZE1 0x024
+#define QSERDES_V3_COM_SSC_STEP_SIZE2 0x028
+#define QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN 0x034
+#define QSERDES_V3_COM_CLK_ENABLE1 0x038
+#define QSERDES_V3_COM_SYS_CLK_CTRL 0x03c
+#define QSERDES_V3_COM_SYSCLK_BUF_ENABLE 0x040
+#define QSERDES_V3_COM_PLL_IVCO 0x048
+#define QSERDES_V3_COM_LOCK_CMP1_MODE0 0x098
+#define QSERDES_V3_COM_LOCK_CMP2_MODE0 0x09c
+#define QSERDES_V3_COM_LOCK_CMP3_MODE0 0x0a0
+#define QSERDES_V3_COM_LOCK_CMP1_MODE1 0x0a4
+#define QSERDES_V3_COM_LOCK_CMP2_MODE1 0x0a8
+#define QSERDES_V3_COM_LOCK_CMP3_MODE1 0x0ac
+#define QSERDES_V3_COM_CLK_EP_DIV 0x05c
+#define QSERDES_V3_COM_CP_CTRL_MODE0 0x060
+#define QSERDES_V3_COM_CP_CTRL_MODE1 0x064
+#define QSERDES_V3_COM_PLL_RCTRL_MODE0 0x068
+#define QSERDES_V3_COM_PLL_RCTRL_MODE1 0x06c
+#define QSERDES_V3_COM_PLL_CCTRL_MODE0 0x070
+#define QSERDES_V3_COM_PLL_CCTRL_MODE1 0x074
+#define QSERDES_V3_COM_SYSCLK_EN_SEL 0x080
+#define QSERDES_V3_COM_RESETSM_CNTRL 0x088
+#define QSERDES_V3_COM_RESETSM_CNTRL2 0x08c
+#define QSERDES_V3_COM_LOCK_CMP_EN 0x090
+#define QSERDES_V3_COM_LOCK_CMP_CFG 0x094
+#define QSERDES_V3_COM_DEC_START_MODE0 0x0b0
+#define QSERDES_V3_COM_DEC_START_MODE1 0x0b4
+#define QSERDES_V3_COM_DIV_FRAC_START1_MODE0 0x0b8
+#define QSERDES_V3_COM_DIV_FRAC_START2_MODE0 0x0bc
+#define QSERDES_V3_COM_DIV_FRAC_START3_MODE0 0x0c0
+#define QSERDES_V3_COM_DIV_FRAC_START1_MODE1 0x0c4
+#define QSERDES_V3_COM_DIV_FRAC_START2_MODE1 0x0c8
+#define QSERDES_V3_COM_DIV_FRAC_START3_MODE1 0x0cc
+#define QSERDES_V3_COM_INTEGLOOP_GAIN0_MODE0 0x0d8
+#define QSERDES_V3_COM_INTEGLOOP_GAIN1_MODE0 0x0dc
+#define QSERDES_V3_COM_INTEGLOOP_GAIN0_MODE1 0x0e0
+#define QSERDES_V3_COM_INTEGLOOP_GAIN1_MODE1 0x0e4
+#define QSERDES_V3_COM_VCO_TUNE_CTRL 0x0ec
+#define QSERDES_V3_COM_VCO_TUNE_MAP 0x0f0
+#define QSERDES_V3_COM_VCO_TUNE1_MODE0 0x0f4
+#define QSERDES_V3_COM_VCO_TUNE2_MODE0 0x0f8
+#define QSERDES_V3_COM_VCO_TUNE1_MODE1 0x0fc
+#define QSERDES_V3_COM_VCO_TUNE2_MODE1 0x100
+#define QSERDES_V3_COM_VCO_TUNE_TIMER1 0x11c
+#define QSERDES_V3_COM_VCO_TUNE_TIMER2 0x120
+#define QSERDES_V3_COM_CLK_SELECT 0x138
+#define QSERDES_V3_COM_HSCLK_SEL 0x13c
+#define QSERDES_V3_COM_CORECLK_DIV_MODE0 0x148
+#define QSERDES_V3_COM_CORECLK_DIV_MODE1 0x14c
+#define QSERDES_V3_COM_CORE_CLK_EN 0x154
+#define QSERDES_V3_COM_C_READY_STATUS 0x158
+#define QSERDES_V3_COM_CMN_CONFIG 0x15c
+#define QSERDES_V3_COM_SVS_MODE_CLK_SEL 0x164
+#define QSERDES_V3_COM_DEBUG_BUS0 0x168
+#define QSERDES_V3_COM_DEBUG_BUS1 0x16c
+#define QSERDES_V3_COM_DEBUG_BUS2 0x170
+#define QSERDES_V3_COM_DEBUG_BUS3 0x174
+#define QSERDES_V3_COM_DEBUG_BUS_SEL 0x178
+
+/* Only for QMP V3 PHY - TX registers */
+#define QSERDES_V3_TX_RES_CODE_LANE_OFFSET_TX 0x044
+#define QSERDES_V3_TX_RES_CODE_LANE_OFFSET_RX 0x048
+#define QSERDES_V3_TX_DEBUG_BUS_SEL 0x058
+#define QSERDES_V3_TX_HIGHZ_DRVR_EN 0x060
+#define QSERDES_V3_TX_LANE_MODE_1 0x08c
+#define QSERDES_V3_TX_RCV_DETECT_LVL_2 0x0a4
+
+/* Only for QMP V3 PHY - RX registers */
+#define QSERDES_V3_RX_UCDR_SO_GAIN_HALF 0x00c
+#define QSERDES_V3_RX_UCDR_SO_GAIN 0x014
+#define QSERDES_V3_RX_UCDR_FASTLOCK_FO_GAIN 0x030
+#define QSERDES_V3_RX_UCDR_SO_SATURATION_AND_ENABLE 0x034
+#define QSERDES_V3_RX_RX_TERM_BW 0x07c
+#define QSERDES_V3_RX_RX_EQ_GAIN2_LSB 0x0c8
+#define QSERDES_V3_RX_RX_EQ_GAIN2_MSB 0x0cc
+#define QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL2 0x0d4
+#define QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL3 0x0d8
+#define QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL4 0x0dc
+#define QSERDES_V3_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1 0x0f8
+#define QSERDES_V3_RX_RX_OFFSET_ADAPTOR_CNTRL2 0x0fc
+#define QSERDES_V3_RX_SIGDET_ENABLES 0x100
+#define QSERDES_V3_RX_SIGDET_CNTRL 0x104
+#define QSERDES_V3_RX_SIGDET_LVL 0x108
+#define QSERDES_V3_RX_SIGDET_DEGLITCH_CNTRL 0x10c
+#define QSERDES_V3_RX_RX_BAND 0x110
+#define QSERDES_V3_RX_RX_INTERFACE_MODE 0x11c
+
+/* Only for QMP V3 PHY - PCS registers */
+#define QPHY_V3_PCS_POWER_DOWN_CONTROL 0x004
+#define QPHY_V3_PCS_TXMGN_V0 0x00c
+#define QPHY_V3_PCS_TXMGN_V1 0x010
+#define QPHY_V3_PCS_TXMGN_V2 0x014
+#define QPHY_V3_PCS_TXMGN_V3 0x018
+#define QPHY_V3_PCS_TXMGN_V4 0x01c
+#define QPHY_V3_PCS_TXMGN_LS 0x020
+#define QPHY_V3_PCS_TXDEEMPH_M6DB_V0 0x024
+#define QPHY_V3_PCS_TXDEEMPH_M3P5DB_V0 0x028
+#define QPHY_V3_PCS_TXDEEMPH_M6DB_V1 0x02c
+#define QPHY_V3_PCS_TXDEEMPH_M3P5DB_V1 0x030
+#define QPHY_V3_PCS_TXDEEMPH_M6DB_V2 0x034
+#define QPHY_V3_PCS_TXDEEMPH_M3P5DB_V2 0x038
+#define QPHY_V3_PCS_TXDEEMPH_M6DB_V3 0x03c
+#define QPHY_V3_PCS_TXDEEMPH_M3P5DB_V3 0x040
+#define QPHY_V3_PCS_TXDEEMPH_M6DB_V4 0x044
+#define QPHY_V3_PCS_TXDEEMPH_M3P5DB_V4 0x048
+#define QPHY_V3_PCS_TXDEEMPH_M6DB_LS 0x04c
+#define QPHY_V3_PCS_TXDEEMPH_M3P5DB_LS 0x050
+#define QPHY_V3_PCS_ENDPOINT_REFCLK_DRIVE 0x054
+#define QPHY_V3_PCS_RX_IDLE_DTCT_CNTRL 0x058
+#define QPHY_V3_PCS_RATE_SLEW_CNTRL 0x05c
+#define QPHY_V3_PCS_POWER_STATE_CONFIG1 0x060
+#define QPHY_V3_PCS_POWER_STATE_CONFIG2 0x064
+#define QPHY_V3_PCS_POWER_STATE_CONFIG4 0x06c
+#define QPHY_V3_PCS_RCVR_DTCT_DLY_P1U2_L 0x070
+#define QPHY_V3_PCS_RCVR_DTCT_DLY_P1U2_H 0x074
+#define QPHY_V3_PCS_RCVR_DTCT_DLY_U3_L 0x078
+#define QPHY_V3_PCS_RCVR_DTCT_DLY_U3_H 0x07c
+#define QPHY_V3_PCS_LOCK_DETECT_CONFIG1 0x080
+#define QPHY_V3_PCS_LOCK_DETECT_CONFIG2 0x084
+#define QPHY_V3_PCS_LOCK_DETECT_CONFIG3 0x088
+#define QPHY_V3_PCS_TSYNC_RSYNC_TIME 0x08c
+#define QPHY_V3_PCS_PWRUP_RESET_DLY_TIME_AUXCLK 0x0a0
+#define QPHY_V3_PCS_LP_WAKEUP_DLY_TIME_AUXCLK 0x0a4
+#define QPHY_V3_PCS_LFPS_TX_ECSTART_EQTLOCK 0x0b0
+#define QPHY_V3_PCS_RXEQTRAINING_WAIT_TIME 0x0b8
+#define QPHY_V3_PCS_RXEQTRAINING_RUN_TIME 0x0bc
+#define QPHY_V3_PCS_FLL_CNTRL1 0x0c4
+#define QPHY_V3_PCS_FLL_CNTRL2 0x0c8
+#define QPHY_V3_PCS_FLL_CNT_VAL_L 0x0cc
+#define QPHY_V3_PCS_FLL_CNT_VAL_H_TOL 0x0d0
+#define QPHY_V3_PCS_FLL_MAN_CODE 0x0d4
+#define QPHY_V3_PCS_RX_SIGDET_LVL 0x1d8
+
+/* Only for QMP V3 PHY - PCS_MISC registers */
+#define QPHY_V3_PCS_MISC_CLAMP_ENABLE 0x0c
+
+#endif
diff --git a/drivers/phy/qualcomm/phy-qcom-qusb2.c b/drivers/phy/qualcomm/phy-qcom-qusb2.c
index 6c575244c0fb..94afeac1a19e 100644
--- a/drivers/phy/qualcomm/phy-qcom-qusb2.c
+++ b/drivers/phy/qualcomm/phy-qcom-qusb2.c
@@ -1,14 +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>
@@ -37,28 +29,57 @@
#define QUSB2PHY_PLL_AUTOPGM_CTL1 0x1c
#define QUSB2PHY_PLL_PWR_CTRL 0x18
-#define QUSB2PHY_PLL_STATUS 0x38
+/* QUSB2PHY_PLL_STATUS register bits */
#define PLL_LOCKED BIT(5)
-#define QUSB2PHY_PORT_TUNE1 0x80
-#define QUSB2PHY_PORT_TUNE2 0x84
-#define QUSB2PHY_PORT_TUNE3 0x88
-#define QUSB2PHY_PORT_TUNE4 0x8c
-#define QUSB2PHY_PORT_TUNE5 0x90
-#define QUSB2PHY_PORT_TEST2 0x9c
+/* QUSB2PHY_PLL_COMMON_STATUS_ONE register bits */
+#define CORE_READY_STATUS BIT(0)
-#define QUSB2PHY_PORT_POWERDOWN 0xb4
+/* QUSB2PHY_PORT_POWERDOWN register bits */
#define CLAMP_N_EN BIT(5)
#define FREEZIO_N BIT(1)
#define POWER_DOWN BIT(0)
+/* QUSB2PHY_PWR_CTRL1 register bits */
+#define PWR_CTRL1_VREF_SUPPLY_TRIM BIT(5)
+#define PWR_CTRL1_CLAMP_N_EN BIT(1)
+
#define QUSB2PHY_REFCLK_ENABLE BIT(0)
#define PHY_CLK_SCHEME_SEL BIT(0)
+/* QUSB2PHY_INTR_CTRL register bits */
+#define DMSE_INTR_HIGH_SEL BIT(4)
+#define DPSE_INTR_HIGH_SEL BIT(3)
+#define CHG_DET_INTR_EN BIT(2)
+#define DMSE_INTR_EN BIT(1)
+#define DPSE_INTR_EN BIT(0)
+
+/* QUSB2PHY_PLL_CORE_INPUT_OVERRIDE register bits */
+#define CORE_PLL_EN_FROM_RESET BIT(4)
+#define CORE_RESET BIT(5)
+#define CORE_RESET_MUX BIT(6)
+
+#define QUSB2PHY_PLL_ANALOG_CONTROLS_TWO 0x04
+#define QUSB2PHY_PLL_CLOCK_INVERTERS 0x18c
+#define QUSB2PHY_PLL_CMODE 0x2c
+#define QUSB2PHY_PLL_LOCK_DELAY 0x184
+#define QUSB2PHY_PLL_DIGITAL_TIMERS_TWO 0xb4
+#define QUSB2PHY_PLL_BIAS_CONTROL_1 0x194
+#define QUSB2PHY_PLL_BIAS_CONTROL_2 0x198
+#define QUSB2PHY_PWR_CTRL2 0x214
+#define QUSB2PHY_IMP_CTRL1 0x220
+#define QUSB2PHY_IMP_CTRL2 0x224
+#define QUSB2PHY_CHG_CTRL2 0x23c
+
struct qusb2_phy_init_tbl {
unsigned int offset;
unsigned int val;
+ /*
+ * register part of layout ?
+ * if yes, then offset gives index in the reg-layout
+ */
+ int in_layout;
};
#define QUSB2_PHY_INIT_CFG(o, v) \
@@ -67,30 +88,136 @@ struct qusb2_phy_init_tbl {
.val = v, \
}
+#define QUSB2_PHY_INIT_CFG_L(o, v) \
+ { \
+ .offset = o, \
+ .val = v, \
+ .in_layout = 1, \
+ }
+
+/* set of registers with offsets different per-PHY */
+enum qusb2phy_reg_layout {
+ QUSB2PHY_PLL_CORE_INPUT_OVERRIDE,
+ QUSB2PHY_PLL_STATUS,
+ QUSB2PHY_PORT_TUNE1,
+ QUSB2PHY_PORT_TUNE2,
+ QUSB2PHY_PORT_TUNE3,
+ QUSB2PHY_PORT_TUNE4,
+ QUSB2PHY_PORT_TUNE5,
+ QUSB2PHY_PORT_TEST1,
+ QUSB2PHY_PORT_TEST2,
+ QUSB2PHY_PORT_POWERDOWN,
+ QUSB2PHY_INTR_CTRL,
+};
+
+static const unsigned int msm8996_regs_layout[] = {
+ [QUSB2PHY_PLL_STATUS] = 0x38,
+ [QUSB2PHY_PORT_TUNE1] = 0x80,
+ [QUSB2PHY_PORT_TUNE2] = 0x84,
+ [QUSB2PHY_PORT_TUNE3] = 0x88,
+ [QUSB2PHY_PORT_TUNE4] = 0x8c,
+ [QUSB2PHY_PORT_TUNE5] = 0x90,
+ [QUSB2PHY_PORT_TEST1] = 0xb8,
+ [QUSB2PHY_PORT_TEST2] = 0x9c,
+ [QUSB2PHY_PORT_POWERDOWN] = 0xb4,
+ [QUSB2PHY_INTR_CTRL] = 0xbc,
+};
+
static const struct qusb2_phy_init_tbl msm8996_init_tbl[] = {
- QUSB2_PHY_INIT_CFG(QUSB2PHY_PORT_TUNE1, 0xf8),
- QUSB2_PHY_INIT_CFG(QUSB2PHY_PORT_TUNE2, 0xb3),
- QUSB2_PHY_INIT_CFG(QUSB2PHY_PORT_TUNE3, 0x83),
- QUSB2_PHY_INIT_CFG(QUSB2PHY_PORT_TUNE4, 0xc0),
+ QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE1, 0xf8),
+ QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE2, 0xb3),
+ QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE3, 0x83),
+ QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE4, 0xc0),
+
QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_TUNE, 0x30),
QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_USER_CTL1, 0x79),
QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_USER_CTL2, 0x21),
- QUSB2_PHY_INIT_CFG(QUSB2PHY_PORT_TEST2, 0x14),
+
+ QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TEST2, 0x14),
+
QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_AUTOPGM_CTL1, 0x9f),
QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_PWR_CTRL, 0x00),
};
+static const unsigned int qusb2_v2_regs_layout[] = {
+ [QUSB2PHY_PLL_CORE_INPUT_OVERRIDE] = 0xa8,
+ [QUSB2PHY_PLL_STATUS] = 0x1a0,
+ [QUSB2PHY_PORT_TUNE1] = 0x240,
+ [QUSB2PHY_PORT_TUNE2] = 0x244,
+ [QUSB2PHY_PORT_TUNE3] = 0x248,
+ [QUSB2PHY_PORT_TUNE4] = 0x24c,
+ [QUSB2PHY_PORT_TUNE5] = 0x250,
+ [QUSB2PHY_PORT_TEST1] = 0x254,
+ [QUSB2PHY_PORT_TEST2] = 0x258,
+ [QUSB2PHY_PORT_POWERDOWN] = 0x210,
+ [QUSB2PHY_INTR_CTRL] = 0x230,
+};
+
+static const struct qusb2_phy_init_tbl qusb2_v2_init_tbl[] = {
+ QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_ANALOG_CONTROLS_TWO, 0x03),
+ QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_CLOCK_INVERTERS, 0x7c),
+ QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_CMODE, 0x80),
+ QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_LOCK_DELAY, 0x0a),
+ QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_DIGITAL_TIMERS_TWO, 0x19),
+ QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_BIAS_CONTROL_1, 0x40),
+ QUSB2_PHY_INIT_CFG(QUSB2PHY_PLL_BIAS_CONTROL_2, 0x20),
+ QUSB2_PHY_INIT_CFG(QUSB2PHY_PWR_CTRL2, 0x21),
+ QUSB2_PHY_INIT_CFG(QUSB2PHY_IMP_CTRL1, 0x0),
+ QUSB2_PHY_INIT_CFG(QUSB2PHY_IMP_CTRL2, 0x58),
+
+ QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE1, 0x30),
+ QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE2, 0x29),
+ QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE3, 0xca),
+ QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE4, 0x04),
+ QUSB2_PHY_INIT_CFG_L(QUSB2PHY_PORT_TUNE5, 0x03),
+
+ QUSB2_PHY_INIT_CFG(QUSB2PHY_CHG_CTRL2, 0x0),
+};
+
struct qusb2_phy_cfg {
const struct qusb2_phy_init_tbl *tbl;
/* number of entries in the table */
unsigned int tbl_num;
/* offset to PHY_CLK_SCHEME register in TCSR map */
unsigned int clk_scheme_offset;
+
+ /* array of registers with different offsets */
+ const unsigned int *regs;
+ unsigned int mask_core_ready;
+ unsigned int disable_ctrl;
+ unsigned int autoresume_en;
+
+ /* true if PHY has PLL_TEST register to select clk_scheme */
+ bool has_pll_test;
+
+ /* true if TUNE1 register must be updated by fused value, else TUNE2 */
+ bool update_tune1_with_efuse;
+
+ /* true if PHY has PLL_CORE_INPUT_OVERRIDE register to reset PLL */
+ bool has_pll_override;
};
static const struct qusb2_phy_cfg msm8996_phy_cfg = {
- .tbl = msm8996_init_tbl,
- .tbl_num = ARRAY_SIZE(msm8996_init_tbl),
+ .tbl = msm8996_init_tbl,
+ .tbl_num = ARRAY_SIZE(msm8996_init_tbl),
+ .regs = msm8996_regs_layout,
+
+ .has_pll_test = true,
+ .disable_ctrl = (CLAMP_N_EN | FREEZIO_N | POWER_DOWN),
+ .mask_core_ready = PLL_LOCKED,
+ .autoresume_en = BIT(3),
+};
+
+static const struct qusb2_phy_cfg qusb2_v2_phy_cfg = {
+ .tbl = qusb2_v2_init_tbl,
+ .tbl_num = ARRAY_SIZE(qusb2_v2_init_tbl),
+ .regs = qusb2_v2_regs_layout,
+
+ .disable_ctrl = (PWR_CTRL1_VREF_SUPPLY_TRIM | PWR_CTRL1_CLAMP_N_EN |
+ POWER_DOWN),
+ .mask_core_ready = CORE_READY_STATUS,
+ .has_pll_override = true,
+ .autoresume_en = BIT(0),
};
static const char * const qusb2_phy_vreg_names[] = {
@@ -116,6 +243,8 @@ static const char * const qusb2_phy_vreg_names[] = {
*
* @cfg: phy config data
* @has_se_clk_scheme: indicate if PHY has single-ended ref clock scheme
+ * @phy_initialized: indicate if PHY has been initialized
+ * @mode: current PHY mode
*/
struct qusb2_phy {
struct phy *phy;
@@ -132,6 +261,8 @@ struct qusb2_phy {
const struct qusb2_phy_cfg *cfg;
bool has_se_clk_scheme;
+ bool phy_initialized;
+ enum phy_mode mode;
};
static inline void qusb2_setbits(void __iomem *base, u32 offset, u32 val)
@@ -160,26 +291,32 @@ static inline void qusb2_clrbits(void __iomem *base, u32 offset, u32 val)
static inline
void qcom_qusb2_phy_configure(void __iomem *base,
+ const unsigned int *regs,
const struct qusb2_phy_init_tbl tbl[], int num)
{
int i;
- for (i = 0; i < num; i++)
- writel(tbl[i].val, base + tbl[i].offset);
+ for (i = 0; i < num; i++) {
+ if (tbl[i].in_layout)
+ writel(tbl[i].val, base + regs[tbl[i].offset]);
+ else
+ writel(tbl[i].val, base + tbl[i].offset);
+ }
}
/*
* Fetches HS Tx tuning value from nvmem and sets the
- * QUSB2PHY_PORT_TUNE2 register.
+ * QUSB2PHY_PORT_TUNE1/2 register.
* For error case, skip setting the value and use the default value.
*/
static void qusb2_phy_set_tune2_param(struct qusb2_phy *qphy)
{
struct device *dev = &qphy->phy->dev;
+ const struct qusb2_phy_cfg *cfg = qphy->cfg;
u8 *val;
/*
- * Read efuse register having TUNE2 parameter's high nibble.
+ * Read efuse register having TUNE2/1 parameter's high nibble.
* If efuse register shows value as 0x0, or if we fail to find
* a valid efuse register settings, then use default value
* as 0xB for high nibble that we have already set while
@@ -191,58 +328,169 @@ static void qusb2_phy_set_tune2_param(struct qusb2_phy *qphy)
return;
}
- /* Fused TUNE2 value is the higher nibble only */
- qusb2_setbits(qphy->base, QUSB2PHY_PORT_TUNE2, val[0] << 0x4);
+ /* Fused TUNE1/2 value is the higher nibble only */
+ if (cfg->update_tune1_with_efuse)
+ qusb2_setbits(qphy->base, cfg->regs[QUSB2PHY_PORT_TUNE1],
+ val[0] << 0x4);
+ else
+ qusb2_setbits(qphy->base, cfg->regs[QUSB2PHY_PORT_TUNE2],
+ val[0] << 0x4);
+
}
-static int qusb2_phy_poweron(struct phy *phy)
+static int qusb2_phy_set_mode(struct phy *phy, enum phy_mode mode)
{
struct qusb2_phy *qphy = phy_get_drvdata(phy);
- int num = ARRAY_SIZE(qphy->vregs);
+
+ qphy->mode = mode;
+
+ return 0;
+}
+
+static int __maybe_unused qusb2_phy_runtime_suspend(struct device *dev)
+{
+ struct qusb2_phy *qphy = dev_get_drvdata(dev);
+ const struct qusb2_phy_cfg *cfg = qphy->cfg;
+ u32 intr_mask;
+
+ dev_vdbg(dev, "Suspending QUSB2 Phy, mode:%d\n", qphy->mode);
+
+ if (!qphy->phy_initialized) {
+ dev_vdbg(dev, "PHY not initialized, bailing out\n");
+ return 0;
+ }
+
+ /*
+ * Enable DP/DM interrupts to detect line state changes based on current
+ * speed. In other words, enable the triggers _opposite_ of what the
+ * current D+/D- levels are e.g. if currently D+ high, D- low
+ * (HS 'J'/Suspend), configure the mask to trigger on D+ low OR D- high
+ */
+ intr_mask = DPSE_INTR_EN | DMSE_INTR_EN;
+ switch (qphy->mode) {
+ case PHY_MODE_USB_HOST_HS:
+ case PHY_MODE_USB_HOST_FS:
+ case PHY_MODE_USB_DEVICE_HS:
+ case PHY_MODE_USB_DEVICE_FS:
+ intr_mask |= DMSE_INTR_HIGH_SEL;
+ break;
+ case PHY_MODE_USB_HOST_LS:
+ case PHY_MODE_USB_DEVICE_LS:
+ intr_mask |= DPSE_INTR_HIGH_SEL;
+ break;
+ default:
+ /* No device connected, enable both DP/DM high interrupt */
+ intr_mask |= DMSE_INTR_HIGH_SEL;
+ intr_mask |= DPSE_INTR_HIGH_SEL;
+ break;
+ }
+
+ writel(intr_mask, qphy->base + cfg->regs[QUSB2PHY_INTR_CTRL]);
+
+ /* hold core PLL into reset */
+ if (cfg->has_pll_override) {
+ qusb2_setbits(qphy->base,
+ cfg->regs[QUSB2PHY_PLL_CORE_INPUT_OVERRIDE],
+ CORE_PLL_EN_FROM_RESET | CORE_RESET |
+ CORE_RESET_MUX);
+ }
+
+ /* enable phy auto-resume only if device is connected on bus */
+ if (qphy->mode != PHY_MODE_INVALID) {
+ qusb2_setbits(qphy->base, cfg->regs[QUSB2PHY_PORT_TEST1],
+ cfg->autoresume_en);
+ /* Autoresume bit has to be toggled in order to enable it */
+ qusb2_clrbits(qphy->base, cfg->regs[QUSB2PHY_PORT_TEST1],
+ cfg->autoresume_en);
+ }
+
+ if (!qphy->has_se_clk_scheme)
+ clk_disable_unprepare(qphy->ref_clk);
+
+ clk_disable_unprepare(qphy->cfg_ahb_clk);
+ clk_disable_unprepare(qphy->iface_clk);
+
+ return 0;
+}
+
+static int __maybe_unused qusb2_phy_runtime_resume(struct device *dev)
+{
+ struct qusb2_phy *qphy = dev_get_drvdata(dev);
+ const struct qusb2_phy_cfg *cfg = qphy->cfg;
int ret;
- dev_vdbg(&phy->dev, "%s(): Powering-on QUSB2 phy\n", __func__);
+ dev_vdbg(dev, "Resuming QUSB2 phy, mode:%d\n", qphy->mode);
- /* turn on regulator supplies */
- ret = regulator_bulk_enable(num, qphy->vregs);
- if (ret)
- return ret;
+ if (!qphy->phy_initialized) {
+ dev_vdbg(dev, "PHY not initialized, bailing out\n");
+ return 0;
+ }
ret = clk_prepare_enable(qphy->iface_clk);
if (ret) {
- dev_err(&phy->dev, "failed to enable iface_clk, %d\n", ret);
- regulator_bulk_disable(num, qphy->vregs);
+ dev_err(dev, "failed to enable iface_clk, %d\n", ret);
return ret;
}
- return 0;
-}
+ ret = clk_prepare_enable(qphy->cfg_ahb_clk);
+ if (ret) {
+ dev_err(dev, "failed to enable cfg ahb clock, %d\n", ret);
+ goto disable_iface_clk;
+ }
-static int qusb2_phy_poweroff(struct phy *phy)
-{
- struct qusb2_phy *qphy = phy_get_drvdata(phy);
+ if (!qphy->has_se_clk_scheme) {
+ clk_prepare_enable(qphy->ref_clk);
+ if (ret) {
+ dev_err(dev, "failed to enable ref clk, %d\n", ret);
+ goto disable_ahb_clk;
+ }
+ }
- clk_disable_unprepare(qphy->iface_clk);
+ writel(0x0, qphy->base + cfg->regs[QUSB2PHY_INTR_CTRL]);
- regulator_bulk_disable(ARRAY_SIZE(qphy->vregs), qphy->vregs);
+ /* bring core PLL out of reset */
+ if (cfg->has_pll_override) {
+ qusb2_clrbits(qphy->base,
+ cfg->regs[QUSB2PHY_PLL_CORE_INPUT_OVERRIDE],
+ CORE_RESET | CORE_RESET_MUX);
+ }
return 0;
+
+disable_ahb_clk:
+ clk_disable_unprepare(qphy->cfg_ahb_clk);
+disable_iface_clk:
+ clk_disable_unprepare(qphy->iface_clk);
+
+ return ret;
}
static int qusb2_phy_init(struct phy *phy)
{
struct qusb2_phy *qphy = phy_get_drvdata(phy);
- unsigned int val;
+ const struct qusb2_phy_cfg *cfg = qphy->cfg;
+ unsigned int val = 0;
unsigned int clk_scheme;
int ret;
dev_vdbg(&phy->dev, "%s(): Initializing QUSB2 phy\n", __func__);
+ /* turn on regulator supplies */
+ ret = regulator_bulk_enable(ARRAY_SIZE(qphy->vregs), qphy->vregs);
+ if (ret)
+ return ret;
+
+ ret = clk_prepare_enable(qphy->iface_clk);
+ if (ret) {
+ dev_err(&phy->dev, "failed to enable iface_clk, %d\n", ret);
+ goto poweroff_phy;
+ }
+
/* enable ahb interface clock to program phy */
ret = clk_prepare_enable(qphy->cfg_ahb_clk);
if (ret) {
dev_err(&phy->dev, "failed to enable cfg ahb clock, %d\n", ret);
- return ret;
+ goto disable_iface_clk;
}
/* Perform phy reset */
@@ -262,20 +510,23 @@ static int qusb2_phy_init(struct phy *phy)
}
/* Disable the PHY */
- qusb2_setbits(qphy->base, QUSB2PHY_PORT_POWERDOWN,
- CLAMP_N_EN | FREEZIO_N | POWER_DOWN);
+ qusb2_setbits(qphy->base, cfg->regs[QUSB2PHY_PORT_POWERDOWN],
+ qphy->cfg->disable_ctrl);
- /* save reset value to override reference clock scheme later */
- val = readl(qphy->base + QUSB2PHY_PLL_TEST);
+ if (cfg->has_pll_test) {
+ /* save reset value to override reference clock scheme later */
+ val = readl(qphy->base + QUSB2PHY_PLL_TEST);
+ }
- qcom_qusb2_phy_configure(qphy->base, qphy->cfg->tbl,
- qphy->cfg->tbl_num);
+ qcom_qusb2_phy_configure(qphy->base, cfg->regs, cfg->tbl,
+ cfg->tbl_num);
/* Set efuse value for tuning the PHY */
qusb2_phy_set_tune2_param(qphy);
/* Enable the PHY */
- qusb2_clrbits(qphy->base, QUSB2PHY_PORT_POWERDOWN, POWER_DOWN);
+ qusb2_clrbits(qphy->base, cfg->regs[QUSB2PHY_PORT_POWERDOWN],
+ POWER_DOWN);
/* Required to get phy pll lock successfully */
usleep_range(150, 160);
@@ -308,32 +559,37 @@ static int qusb2_phy_init(struct phy *phy)
}
if (!qphy->has_se_clk_scheme) {
- val &= ~CLK_REF_SEL;
ret = clk_prepare_enable(qphy->ref_clk);
if (ret) {
dev_err(&phy->dev, "failed to enable ref clk, %d\n",
ret);
goto assert_phy_reset;
}
- } else {
- val |= CLK_REF_SEL;
}
- writel(val, qphy->base + QUSB2PHY_PLL_TEST);
+ if (cfg->has_pll_test) {
+ if (!qphy->has_se_clk_scheme)
+ val &= ~CLK_REF_SEL;
+ else
+ val |= CLK_REF_SEL;
- /* ensure above write is through */
- readl(qphy->base + QUSB2PHY_PLL_TEST);
+ writel(val, qphy->base + QUSB2PHY_PLL_TEST);
+
+ /* ensure above write is through */
+ readl(qphy->base + QUSB2PHY_PLL_TEST);
+ }
/* Required to get phy pll lock successfully */
usleep_range(100, 110);
- val = readb(qphy->base + QUSB2PHY_PLL_STATUS);
- if (!(val & PLL_LOCKED)) {
+ val = readb(qphy->base + cfg->regs[QUSB2PHY_PLL_STATUS]);
+ if (!(val & cfg->mask_core_ready)) {
dev_err(&phy->dev,
"QUSB2PHY pll lock failed: status reg = %x\n", val);
ret = -EBUSY;
goto disable_ref_clk;
}
+ qphy->phy_initialized = true;
return 0;
@@ -344,6 +600,11 @@ assert_phy_reset:
reset_control_assert(qphy->phy_reset);
disable_ahb_clk:
clk_disable_unprepare(qphy->cfg_ahb_clk);
+disable_iface_clk:
+ clk_disable_unprepare(qphy->iface_clk);
+poweroff_phy:
+ regulator_bulk_disable(ARRAY_SIZE(qphy->vregs), qphy->vregs);
+
return ret;
}
@@ -352,8 +613,8 @@ static int qusb2_phy_exit(struct phy *phy)
struct qusb2_phy *qphy = phy_get_drvdata(phy);
/* Disable the PHY */
- qusb2_setbits(qphy->base, QUSB2PHY_PORT_POWERDOWN,
- CLAMP_N_EN | FREEZIO_N | POWER_DOWN);
+ qusb2_setbits(qphy->base, qphy->cfg->regs[QUSB2PHY_PORT_POWERDOWN],
+ qphy->cfg->disable_ctrl);
if (!qphy->has_se_clk_scheme)
clk_disable_unprepare(qphy->ref_clk);
@@ -361,6 +622,11 @@ static int qusb2_phy_exit(struct phy *phy)
reset_control_assert(qphy->phy_reset);
clk_disable_unprepare(qphy->cfg_ahb_clk);
+ clk_disable_unprepare(qphy->iface_clk);
+
+ regulator_bulk_disable(ARRAY_SIZE(qphy->vregs), qphy->vregs);
+
+ qphy->phy_initialized = false;
return 0;
}
@@ -368,8 +634,7 @@ static int qusb2_phy_exit(struct phy *phy)
static const struct phy_ops qusb2_phy_gen_ops = {
.init = qusb2_phy_init,
.exit = qusb2_phy_exit,
- .power_on = qusb2_phy_poweron,
- .power_off = qusb2_phy_poweroff,
+ .set_mode = qusb2_phy_set_mode,
.owner = THIS_MODULE,
};
@@ -377,11 +642,19 @@ static const struct of_device_id qusb2_phy_of_match_table[] = {
{
.compatible = "qcom,msm8996-qusb2-phy",
.data = &msm8996_phy_cfg,
+ }, {
+ .compatible = "qcom,qusb2-v2-phy",
+ .data = &qusb2_v2_phy_cfg,
},
{ },
};
MODULE_DEVICE_TABLE(of, qusb2_phy_of_match_table);
+static const struct dev_pm_ops qusb2_phy_pm_ops = {
+ SET_RUNTIME_PM_OPS(qusb2_phy_runtime_suspend,
+ qusb2_phy_runtime_resume, NULL)
+};
+
static int qusb2_phy_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
@@ -459,11 +732,19 @@ static int qusb2_phy_probe(struct platform_device *pdev)
qphy->cell = NULL;
dev_dbg(dev, "failed to lookup tune2 hstx trim value\n");
}
+ 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);
generic_phy = devm_phy_create(dev, NULL, &qusb2_phy_gen_ops);
if (IS_ERR(generic_phy)) {
ret = PTR_ERR(generic_phy);
dev_err(dev, "failed to create phy, %d\n", ret);
+ pm_runtime_disable(dev);
return ret;
}
qphy->phy = generic_phy;
@@ -474,6 +755,8 @@ static int qusb2_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-QUSB2 phy\n");
+ else
+ pm_runtime_disable(dev);
return PTR_ERR_OR_ZERO(phy_provider);
}
@@ -482,6 +765,7 @@ static struct platform_driver qusb2_phy_driver = {
.probe = qusb2_phy_probe,
.driver = {
.name = "qcom-qusb2-phy",
+ .pm = &qusb2_phy_pm_ops,
.of_match_table = qusb2_phy_of_match_table,
},
};