| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Cadence Sierra PHY Driver |
| * |
| * Copyright (c) 2018 Cadence Design Systems |
| * Author: Alan Douglas <adouglas@cadence.com> |
| * |
| */ |
| #include <linux/clk.h> |
| #include <linux/clk-provider.h> |
| #include <linux/delay.h> |
| #include <linux/err.h> |
| #include <linux/io.h> |
| #include <linux/module.h> |
| #include <linux/phy/phy.h> |
| #include <linux/platform_device.h> |
| #include <linux/pm_runtime.h> |
| #include <linux/regmap.h> |
| #include <linux/reset.h> |
| #include <linux/slab.h> |
| #include <linux/of.h> |
| #include <linux/of_platform.h> |
| #include <dt-bindings/phy/phy.h> |
| #include <dt-bindings/phy/phy-cadence.h> |
| |
| /* PHY register offsets */ |
| #define SIERRA_COMMON_CDB_OFFSET 0x0 |
| #define SIERRA_MACRO_ID_REG 0x0 |
| #define SIERRA_CMN_PLLLC_GEN_PREG 0x42 |
| #define SIERRA_CMN_PLLLC_MODE_PREG 0x48 |
| #define SIERRA_CMN_PLLLC_LF_COEFF_MODE1_PREG 0x49 |
| #define SIERRA_CMN_PLLLC_LF_COEFF_MODE0_PREG 0x4A |
| #define SIERRA_CMN_PLLLC_LOCK_CNTSTART_PREG 0x4B |
| #define SIERRA_CMN_PLLLC_BWCAL_MODE1_PREG 0x4F |
| #define SIERRA_CMN_PLLLC_BWCAL_MODE0_PREG 0x50 |
| #define SIERRA_CMN_PLLLC_SS_TIME_STEPSIZE_MODE_PREG 0x62 |
| #define SIERRA_CMN_REFRCV_PREG 0x98 |
| #define SIERRA_CMN_REFRCV1_PREG 0xB8 |
| #define SIERRA_CMN_PLLLC1_GEN_PREG 0xC2 |
| |
| #define SIERRA_LANE_CDB_OFFSET(ln, block_offset, reg_offset) \ |
| ((0x4000 << (block_offset)) + \ |
| (((ln) << 9) << (reg_offset))) |
| |
| #define SIERRA_DET_STANDEC_A_PREG 0x000 |
| #define SIERRA_DET_STANDEC_B_PREG 0x001 |
| #define SIERRA_DET_STANDEC_C_PREG 0x002 |
| #define SIERRA_DET_STANDEC_D_PREG 0x003 |
| #define SIERRA_DET_STANDEC_E_PREG 0x004 |
| #define SIERRA_PSM_LANECAL_DLY_A1_RESETS_PREG 0x008 |
| #define SIERRA_PSM_A0IN_TMR_PREG 0x009 |
| #define SIERRA_PSM_DIAG_PREG 0x015 |
| #define SIERRA_PSC_TX_A0_PREG 0x028 |
| #define SIERRA_PSC_TX_A1_PREG 0x029 |
| #define SIERRA_PSC_TX_A2_PREG 0x02A |
| #define SIERRA_PSC_TX_A3_PREG 0x02B |
| #define SIERRA_PSC_RX_A0_PREG 0x030 |
| #define SIERRA_PSC_RX_A1_PREG 0x031 |
| #define SIERRA_PSC_RX_A2_PREG 0x032 |
| #define SIERRA_PSC_RX_A3_PREG 0x033 |
| #define SIERRA_PLLCTRL_SUBRATE_PREG 0x03A |
| #define SIERRA_PLLCTRL_GEN_D_PREG 0x03E |
| #define SIERRA_PLLCTRL_CPGAIN_MODE_PREG 0x03F |
| #define SIERRA_PLLCTRL_STATUS_PREG 0x044 |
| #define SIERRA_CLKPATH_BIASTRIM_PREG 0x04B |
| #define SIERRA_DFE_BIASTRIM_PREG 0x04C |
| #define SIERRA_DRVCTRL_ATTEN_PREG 0x06A |
| #define SIERRA_CLKPATHCTRL_TMR_PREG 0x081 |
| #define SIERRA_RX_CREQ_FLTR_A_MODE3_PREG 0x085 |
| #define SIERRA_RX_CREQ_FLTR_A_MODE2_PREG 0x086 |
| #define SIERRA_RX_CREQ_FLTR_A_MODE1_PREG 0x087 |
| #define SIERRA_RX_CREQ_FLTR_A_MODE0_PREG 0x088 |
| #define SIERRA_CREQ_CCLKDET_MODE01_PREG 0x08E |
| #define SIERRA_RX_CTLE_MAINTENANCE_PREG 0x091 |
| #define SIERRA_CREQ_FSMCLK_SEL_PREG 0x092 |
| #define SIERRA_CREQ_EQ_CTRL_PREG 0x093 |
| #define SIERRA_CREQ_SPARE_PREG 0x096 |
| #define SIERRA_CREQ_EQ_OPEN_EYE_THRESH_PREG 0x097 |
| #define SIERRA_CTLELUT_CTRL_PREG 0x098 |
| #define SIERRA_DFE_ECMP_RATESEL_PREG 0x0C0 |
| #define SIERRA_DFE_SMP_RATESEL_PREG 0x0C1 |
| #define SIERRA_DEQ_PHALIGN_CTRL 0x0C4 |
| #define SIERRA_DEQ_CONCUR_CTRL1_PREG 0x0C8 |
| #define SIERRA_DEQ_CONCUR_CTRL2_PREG 0x0C9 |
| #define SIERRA_DEQ_EPIPWR_CTRL2_PREG 0x0CD |
| #define SIERRA_DEQ_FAST_MAINT_CYCLES_PREG 0x0CE |
| #define SIERRA_DEQ_ERRCMP_CTRL_PREG 0x0D0 |
| #define SIERRA_DEQ_OFFSET_CTRL_PREG 0x0D8 |
| #define SIERRA_DEQ_GAIN_CTRL_PREG 0x0E0 |
| #define SIERRA_DEQ_VGATUNE_CTRL_PREG 0x0E1 |
| #define SIERRA_DEQ_GLUT0 0x0E8 |
| #define SIERRA_DEQ_GLUT1 0x0E9 |
| #define SIERRA_DEQ_GLUT2 0x0EA |
| #define SIERRA_DEQ_GLUT3 0x0EB |
| #define SIERRA_DEQ_GLUT4 0x0EC |
| #define SIERRA_DEQ_GLUT5 0x0ED |
| #define SIERRA_DEQ_GLUT6 0x0EE |
| #define SIERRA_DEQ_GLUT7 0x0EF |
| #define SIERRA_DEQ_GLUT8 0x0F0 |
| #define SIERRA_DEQ_GLUT9 0x0F1 |
| #define SIERRA_DEQ_GLUT10 0x0F2 |
| #define SIERRA_DEQ_GLUT11 0x0F3 |
| #define SIERRA_DEQ_GLUT12 0x0F4 |
| #define SIERRA_DEQ_GLUT13 0x0F5 |
| #define SIERRA_DEQ_GLUT14 0x0F6 |
| #define SIERRA_DEQ_GLUT15 0x0F7 |
| #define SIERRA_DEQ_GLUT16 0x0F8 |
| #define SIERRA_DEQ_ALUT0 0x108 |
| #define SIERRA_DEQ_ALUT1 0x109 |
| #define SIERRA_DEQ_ALUT2 0x10A |
| #define SIERRA_DEQ_ALUT3 0x10B |
| #define SIERRA_DEQ_ALUT4 0x10C |
| #define SIERRA_DEQ_ALUT5 0x10D |
| #define SIERRA_DEQ_ALUT6 0x10E |
| #define SIERRA_DEQ_ALUT7 0x10F |
| #define SIERRA_DEQ_ALUT8 0x110 |
| #define SIERRA_DEQ_ALUT9 0x111 |
| #define SIERRA_DEQ_ALUT10 0x112 |
| #define SIERRA_DEQ_ALUT11 0x113 |
| #define SIERRA_DEQ_ALUT12 0x114 |
| #define SIERRA_DEQ_ALUT13 0x115 |
| #define SIERRA_DEQ_DFETAP_CTRL_PREG 0x128 |
| #define SIERRA_DFE_EN_1010_IGNORE_PREG 0x134 |
| #define SIERRA_DEQ_TAU_CTRL1_SLOW_MAINT_PREG 0x150 |
| #define SIERRA_DEQ_TAU_CTRL2_PREG 0x151 |
| #define SIERRA_DEQ_PICTRL_PREG 0x161 |
| #define SIERRA_CPICAL_TMRVAL_MODE1_PREG 0x170 |
| #define SIERRA_CPICAL_TMRVAL_MODE0_PREG 0x171 |
| #define SIERRA_CPICAL_PICNT_MODE1_PREG 0x174 |
| #define SIERRA_CPI_OUTBUF_RATESEL_PREG 0x17C |
| #define SIERRA_CPICAL_RES_STARTCODE_MODE23_PREG 0x183 |
| #define SIERRA_LFPSDET_SUPPORT_PREG 0x188 |
| #define SIERRA_LFPSFILT_NS_PREG 0x18A |
| #define SIERRA_LFPSFILT_RD_PREG 0x18B |
| #define SIERRA_LFPSFILT_MP_PREG 0x18C |
| #define SIERRA_SIGDET_SUPPORT_PREG 0x190 |
| #define SIERRA_SDFILT_H2L_A_PREG 0x191 |
| #define SIERRA_SDFILT_L2H_PREG 0x193 |
| #define SIERRA_RXBUFFER_CTLECTRL_PREG 0x19E |
| #define SIERRA_RXBUFFER_RCDFECTRL_PREG 0x19F |
| #define SIERRA_RXBUFFER_DFECTRL_PREG 0x1A0 |
| #define SIERRA_DEQ_TAU_CTRL1_FAST_MAINT_PREG 0x14F |
| #define SIERRA_DEQ_TAU_CTRL1_SLOW_MAINT_PREG 0x150 |
| |
| #define SIERRA_PHY_CONFIG_CTRL_OFFSET(block_offset) \ |
| (0xc000 << (block_offset)) |
| #define SIERRA_PHY_PLL_CFG 0xe |
| |
| #define SIERRA_MACRO_ID 0x00007364 |
| #define SIERRA_MAX_LANES 16 |
| #define PLL_LOCK_TIME 100000 |
| |
| #define CDNS_SIERRA_OUTPUT_CLOCKS 2 |
| #define CDNS_SIERRA_INPUT_CLOCKS 5 |
| enum cdns_sierra_clock_input { |
| PHY_CLK, |
| CMN_REFCLK_DIG_DIV, |
| CMN_REFCLK1_DIG_DIV, |
| PLL0_REFCLK, |
| PLL1_REFCLK, |
| }; |
| |
| #define SIERRA_NUM_CMN_PLLC 2 |
| #define SIERRA_NUM_CMN_PLLC_PARENTS 2 |
| |
| static const struct reg_field macro_id_type = |
| REG_FIELD(SIERRA_MACRO_ID_REG, 0, 15); |
| static const struct reg_field phy_pll_cfg_1 = |
| REG_FIELD(SIERRA_PHY_PLL_CFG, 1, 1); |
| static const struct reg_field pllctrl_lock = |
| REG_FIELD(SIERRA_PLLCTRL_STATUS_PREG, 0, 0); |
| |
| static const char * const clk_names[] = { |
| [CDNS_SIERRA_PLL_CMNLC] = "pll_cmnlc", |
| [CDNS_SIERRA_PLL_CMNLC1] = "pll_cmnlc1", |
| }; |
| |
| enum cdns_sierra_cmn_plllc { |
| CMN_PLLLC, |
| CMN_PLLLC1, |
| }; |
| |
| struct cdns_sierra_pll_mux_reg_fields { |
| struct reg_field pfdclk_sel_preg; |
| struct reg_field plllc1en_field; |
| struct reg_field termen_field; |
| }; |
| |
| static const struct cdns_sierra_pll_mux_reg_fields cmn_plllc_pfdclk1_sel_preg[] = { |
| [CMN_PLLLC] = { |
| .pfdclk_sel_preg = REG_FIELD(SIERRA_CMN_PLLLC_GEN_PREG, 1, 1), |
| .plllc1en_field = REG_FIELD(SIERRA_CMN_REFRCV1_PREG, 8, 8), |
| .termen_field = REG_FIELD(SIERRA_CMN_REFRCV1_PREG, 0, 0), |
| }, |
| [CMN_PLLLC1] = { |
| .pfdclk_sel_preg = REG_FIELD(SIERRA_CMN_PLLLC1_GEN_PREG, 1, 1), |
| .plllc1en_field = REG_FIELD(SIERRA_CMN_REFRCV_PREG, 8, 8), |
| .termen_field = REG_FIELD(SIERRA_CMN_REFRCV_PREG, 0, 0), |
| }, |
| }; |
| |
| struct cdns_sierra_pll_mux { |
| struct clk_hw hw; |
| struct regmap_field *pfdclk_sel_preg; |
| struct regmap_field *plllc1en_field; |
| struct regmap_field *termen_field; |
| struct clk_init_data clk_data; |
| }; |
| |
| #define to_cdns_sierra_pll_mux(_hw) \ |
| container_of(_hw, struct cdns_sierra_pll_mux, hw) |
| |
| static const int pll_mux_parent_index[][SIERRA_NUM_CMN_PLLC_PARENTS] = { |
| [CMN_PLLLC] = { PLL0_REFCLK, PLL1_REFCLK }, |
| [CMN_PLLLC1] = { PLL1_REFCLK, PLL0_REFCLK }, |
| }; |
| |
| static u32 cdns_sierra_pll_mux_table[] = { 0, 1 }; |
| |
| struct cdns_sierra_inst { |
| struct phy *phy; |
| u32 phy_type; |
| u32 num_lanes; |
| u32 mlane; |
| struct reset_control *lnk_rst; |
| }; |
| |
| struct cdns_reg_pairs { |
| u16 val; |
| u32 off; |
| }; |
| |
| struct cdns_sierra_data { |
| u32 id_value; |
| u8 block_offset_shift; |
| u8 reg_offset_shift; |
| u32 pcie_cmn_regs; |
| u32 pcie_ln_regs; |
| u32 usb_cmn_regs; |
| u32 usb_ln_regs; |
| const struct cdns_reg_pairs *pcie_cmn_vals; |
| const struct cdns_reg_pairs *pcie_ln_vals; |
| const struct cdns_reg_pairs *usb_cmn_vals; |
| const struct cdns_reg_pairs *usb_ln_vals; |
| }; |
| |
| struct cdns_regmap_cdb_context { |
| struct device *dev; |
| void __iomem *base; |
| u8 reg_offset_shift; |
| }; |
| |
| struct cdns_sierra_phy { |
| struct device *dev; |
| struct regmap *regmap; |
| struct cdns_sierra_data *init_data; |
| struct cdns_sierra_inst phys[SIERRA_MAX_LANES]; |
| struct reset_control *phy_rst; |
| struct reset_control *apb_rst; |
| struct regmap *regmap_lane_cdb[SIERRA_MAX_LANES]; |
| struct regmap *regmap_phy_config_ctrl; |
| struct regmap *regmap_common_cdb; |
| struct regmap_field *macro_id_type; |
| struct regmap_field *phy_pll_cfg_1; |
| struct regmap_field *pllctrl_lock[SIERRA_MAX_LANES]; |
| struct regmap_field *cmn_refrcv_refclk_plllc1en_preg[SIERRA_NUM_CMN_PLLC]; |
| struct regmap_field *cmn_refrcv_refclk_termen_preg[SIERRA_NUM_CMN_PLLC]; |
| struct regmap_field *cmn_plllc_pfdclk1_sel_preg[SIERRA_NUM_CMN_PLLC]; |
| struct clk *input_clks[CDNS_SIERRA_INPUT_CLOCKS]; |
| int nsubnodes; |
| u32 num_lanes; |
| bool autoconf; |
| struct clk_onecell_data clk_data; |
| struct clk *output_clks[CDNS_SIERRA_OUTPUT_CLOCKS]; |
| }; |
| |
| static int cdns_regmap_write(void *context, unsigned int reg, unsigned int val) |
| { |
| struct cdns_regmap_cdb_context *ctx = context; |
| u32 offset = reg << ctx->reg_offset_shift; |
| |
| writew(val, ctx->base + offset); |
| |
| return 0; |
| } |
| |
| static int cdns_regmap_read(void *context, unsigned int reg, unsigned int *val) |
| { |
| struct cdns_regmap_cdb_context *ctx = context; |
| u32 offset = reg << ctx->reg_offset_shift; |
| |
| *val = readw(ctx->base + offset); |
| return 0; |
| } |
| |
| #define SIERRA_LANE_CDB_REGMAP_CONF(n) \ |
| { \ |
| .name = "sierra_lane" n "_cdb", \ |
| .reg_stride = 1, \ |
| .fast_io = true, \ |
| .reg_write = cdns_regmap_write, \ |
| .reg_read = cdns_regmap_read, \ |
| } |
| |
| static const struct regmap_config cdns_sierra_lane_cdb_config[] = { |
| SIERRA_LANE_CDB_REGMAP_CONF("0"), |
| SIERRA_LANE_CDB_REGMAP_CONF("1"), |
| SIERRA_LANE_CDB_REGMAP_CONF("2"), |
| SIERRA_LANE_CDB_REGMAP_CONF("3"), |
| SIERRA_LANE_CDB_REGMAP_CONF("4"), |
| SIERRA_LANE_CDB_REGMAP_CONF("5"), |
| SIERRA_LANE_CDB_REGMAP_CONF("6"), |
| SIERRA_LANE_CDB_REGMAP_CONF("7"), |
| SIERRA_LANE_CDB_REGMAP_CONF("8"), |
| SIERRA_LANE_CDB_REGMAP_CONF("9"), |
| SIERRA_LANE_CDB_REGMAP_CONF("10"), |
| SIERRA_LANE_CDB_REGMAP_CONF("11"), |
| SIERRA_LANE_CDB_REGMAP_CONF("12"), |
| SIERRA_LANE_CDB_REGMAP_CONF("13"), |
| SIERRA_LANE_CDB_REGMAP_CONF("14"), |
| SIERRA_LANE_CDB_REGMAP_CONF("15"), |
| }; |
| |
| static const struct regmap_config cdns_sierra_common_cdb_config = { |
| .name = "sierra_common_cdb", |
| .reg_stride = 1, |
| .fast_io = true, |
| .reg_write = cdns_regmap_write, |
| .reg_read = cdns_regmap_read, |
| }; |
| |
| static const struct regmap_config cdns_sierra_phy_config_ctrl_config = { |
| .name = "sierra_phy_config_ctrl", |
| .reg_stride = 1, |
| .fast_io = true, |
| .reg_write = cdns_regmap_write, |
| .reg_read = cdns_regmap_read, |
| }; |
| |
| static int cdns_sierra_phy_init(struct phy *gphy) |
| { |
| struct cdns_sierra_inst *ins = phy_get_drvdata(gphy); |
| struct cdns_sierra_phy *phy = dev_get_drvdata(gphy->dev.parent); |
| struct regmap *regmap; |
| int i, j; |
| const struct cdns_reg_pairs *cmn_vals, *ln_vals; |
| u32 num_cmn_regs, num_ln_regs; |
| |
| /* Initialise the PHY registers, unless auto configured */ |
| if (phy->autoconf) |
| return 0; |
| |
| clk_set_rate(phy->input_clks[CMN_REFCLK_DIG_DIV], 25000000); |
| clk_set_rate(phy->input_clks[CMN_REFCLK1_DIG_DIV], 25000000); |
| if (ins->phy_type == PHY_TYPE_PCIE) { |
| num_cmn_regs = phy->init_data->pcie_cmn_regs; |
| num_ln_regs = phy->init_data->pcie_ln_regs; |
| cmn_vals = phy->init_data->pcie_cmn_vals; |
| ln_vals = phy->init_data->pcie_ln_vals; |
| } else if (ins->phy_type == PHY_TYPE_USB3) { |
| num_cmn_regs = phy->init_data->usb_cmn_regs; |
| num_ln_regs = phy->init_data->usb_ln_regs; |
| cmn_vals = phy->init_data->usb_cmn_vals; |
| ln_vals = phy->init_data->usb_ln_vals; |
| } else { |
| return -EINVAL; |
| } |
| |
| regmap = phy->regmap_common_cdb; |
| for (j = 0; j < num_cmn_regs ; j++) |
| regmap_write(regmap, cmn_vals[j].off, cmn_vals[j].val); |
| |
| for (i = 0; i < ins->num_lanes; i++) { |
| for (j = 0; j < num_ln_regs ; j++) { |
| regmap = phy->regmap_lane_cdb[i + ins->mlane]; |
| regmap_write(regmap, ln_vals[j].off, ln_vals[j].val); |
| } |
| } |
| |
| return 0; |
| } |
| |
| static int cdns_sierra_phy_on(struct phy *gphy) |
| { |
| struct cdns_sierra_phy *sp = dev_get_drvdata(gphy->dev.parent); |
| struct cdns_sierra_inst *ins = phy_get_drvdata(gphy); |
| struct device *dev = sp->dev; |
| u32 val; |
| int ret; |
| |
| ret = reset_control_deassert(sp->phy_rst); |
| if (ret) { |
| dev_err(dev, "Failed to take the PHY out of reset\n"); |
| return ret; |
| } |
| |
| /* Take the PHY lane group out of reset */ |
| ret = reset_control_deassert(ins->lnk_rst); |
| if (ret) { |
| dev_err(dev, "Failed to take the PHY lane out of reset\n"); |
| return ret; |
| } |
| |
| ret = regmap_field_read_poll_timeout(sp->pllctrl_lock[ins->mlane], |
| val, val, 1000, PLL_LOCK_TIME); |
| if (ret < 0) |
| dev_err(dev, "PLL lock of lane failed\n"); |
| |
| return ret; |
| } |
| |
| static int cdns_sierra_phy_off(struct phy *gphy) |
| { |
| struct cdns_sierra_inst *ins = phy_get_drvdata(gphy); |
| |
| return reset_control_assert(ins->lnk_rst); |
| } |
| |
| static int cdns_sierra_phy_reset(struct phy *gphy) |
| { |
| struct cdns_sierra_phy *sp = dev_get_drvdata(gphy->dev.parent); |
| |
| reset_control_assert(sp->phy_rst); |
| reset_control_deassert(sp->phy_rst); |
| return 0; |
| }; |
| |
| static const struct phy_ops ops = { |
| .init = cdns_sierra_phy_init, |
| .power_on = cdns_sierra_phy_on, |
| .power_off = cdns_sierra_phy_off, |
| .reset = cdns_sierra_phy_reset, |
| .owner = THIS_MODULE, |
| }; |
| |
| static u8 cdns_sierra_pll_mux_get_parent(struct clk_hw *hw) |
| { |
| struct cdns_sierra_pll_mux *mux = to_cdns_sierra_pll_mux(hw); |
| struct regmap_field *field = mux->pfdclk_sel_preg; |
| unsigned int val; |
| |
| regmap_field_read(field, &val); |
| return clk_mux_val_to_index(hw, cdns_sierra_pll_mux_table, 0, val); |
| } |
| |
| static int cdns_sierra_pll_mux_set_parent(struct clk_hw *hw, u8 index) |
| { |
| struct cdns_sierra_pll_mux *mux = to_cdns_sierra_pll_mux(hw); |
| struct regmap_field *plllc1en_field = mux->plllc1en_field; |
| struct regmap_field *termen_field = mux->termen_field; |
| struct regmap_field *field = mux->pfdclk_sel_preg; |
| int val, ret; |
| |
| ret = regmap_field_write(plllc1en_field, 0); |
| ret |= regmap_field_write(termen_field, 0); |
| if (index == 1) { |
| ret |= regmap_field_write(plllc1en_field, 1); |
| ret |= regmap_field_write(termen_field, 1); |
| } |
| |
| val = cdns_sierra_pll_mux_table[index]; |
| ret |= regmap_field_write(field, val); |
| |
| return ret; |
| } |
| |
| static const struct clk_ops cdns_sierra_pll_mux_ops = { |
| .set_parent = cdns_sierra_pll_mux_set_parent, |
| .get_parent = cdns_sierra_pll_mux_get_parent, |
| }; |
| |
| static int cdns_sierra_pll_mux_register(struct cdns_sierra_phy *sp, |
| struct regmap_field *pfdclk1_sel_field, |
| struct regmap_field *plllc1en_field, |
| struct regmap_field *termen_field, |
| int clk_index) |
| { |
| struct cdns_sierra_pll_mux *mux; |
| struct device *dev = sp->dev; |
| struct clk_init_data *init; |
| const char **parent_names; |
| unsigned int num_parents; |
| char clk_name[100]; |
| struct clk *clk; |
| int i; |
| |
| mux = devm_kzalloc(dev, sizeof(*mux), GFP_KERNEL); |
| if (!mux) |
| return -ENOMEM; |
| |
| num_parents = SIERRA_NUM_CMN_PLLC_PARENTS; |
| parent_names = devm_kzalloc(dev, (sizeof(char *) * num_parents), GFP_KERNEL); |
| if (!parent_names) |
| return -ENOMEM; |
| |
| for (i = 0; i < num_parents; i++) { |
| clk = sp->input_clks[pll_mux_parent_index[clk_index][i]]; |
| if (IS_ERR_OR_NULL(clk)) { |
| dev_err(dev, "No parent clock for derived_refclk\n"); |
| return PTR_ERR(clk); |
| } |
| parent_names[i] = __clk_get_name(clk); |
| } |
| |
| snprintf(clk_name, sizeof(clk_name), "%s_%s", dev_name(dev), clk_names[clk_index]); |
| |
| init = &mux->clk_data; |
| |
| init->ops = &cdns_sierra_pll_mux_ops; |
| init->flags = CLK_SET_RATE_NO_REPARENT; |
| init->parent_names = parent_names; |
| init->num_parents = num_parents; |
| init->name = clk_name; |
| |
| mux->pfdclk_sel_preg = pfdclk1_sel_field; |
| mux->plllc1en_field = plllc1en_field; |
| mux->termen_field = termen_field; |
| mux->hw.init = init; |
| |
| clk = devm_clk_register(dev, &mux->hw); |
| if (IS_ERR(clk)) |
| return PTR_ERR(clk); |
| |
| sp->output_clks[clk_index] = clk; |
| |
| return 0; |
| } |
| |
| static int cdns_sierra_phy_register_pll_mux(struct cdns_sierra_phy *sp) |
| { |
| struct regmap_field *pfdclk1_sel_field; |
| struct regmap_field *plllc1en_field; |
| struct regmap_field *termen_field; |
| struct device *dev = sp->dev; |
| int ret = 0, i, clk_index; |
| |
| clk_index = CDNS_SIERRA_PLL_CMNLC; |
| for (i = 0; i < SIERRA_NUM_CMN_PLLC; i++, clk_index++) { |
| pfdclk1_sel_field = sp->cmn_plllc_pfdclk1_sel_preg[i]; |
| plllc1en_field = sp->cmn_refrcv_refclk_plllc1en_preg[i]; |
| termen_field = sp->cmn_refrcv_refclk_termen_preg[i]; |
| |
| ret = cdns_sierra_pll_mux_register(sp, pfdclk1_sel_field, plllc1en_field, |
| termen_field, clk_index); |
| if (ret) { |
| dev_err(dev, "Fail to register cmn plllc mux\n"); |
| return ret; |
| } |
| } |
| |
| return 0; |
| } |
| |
| static void cdns_sierra_clk_unregister(struct cdns_sierra_phy *sp) |
| { |
| struct device *dev = sp->dev; |
| struct device_node *node = dev->of_node; |
| |
| of_clk_del_provider(node); |
| } |
| |
| static int cdns_sierra_clk_register(struct cdns_sierra_phy *sp) |
| { |
| struct device *dev = sp->dev; |
| struct device_node *node = dev->of_node; |
| int ret; |
| |
| ret = cdns_sierra_phy_register_pll_mux(sp); |
| if (ret) { |
| dev_err(dev, "Failed to pll mux clocks\n"); |
| return ret; |
| } |
| |
| sp->clk_data.clks = sp->output_clks; |
| sp->clk_data.clk_num = CDNS_SIERRA_OUTPUT_CLOCKS; |
| ret = of_clk_add_provider(node, of_clk_src_onecell_get, &sp->clk_data); |
| if (ret) |
| dev_err(dev, "Failed to add clock provider: %s\n", node->name); |
| |
| return ret; |
| } |
| |
| static int cdns_sierra_get_optional(struct cdns_sierra_inst *inst, |
| struct device_node *child) |
| { |
| if (of_property_read_u32(child, "reg", &inst->mlane)) |
| return -EINVAL; |
| |
| if (of_property_read_u32(child, "cdns,num-lanes", &inst->num_lanes)) |
| return -EINVAL; |
| |
| if (of_property_read_u32(child, "cdns,phy-type", &inst->phy_type)) |
| return -EINVAL; |
| |
| return 0; |
| } |
| |
| static const struct of_device_id cdns_sierra_id_table[]; |
| |
| static struct regmap *cdns_regmap_init(struct device *dev, void __iomem *base, |
| u32 block_offset, u8 reg_offset_shift, |
| const struct regmap_config *config) |
| { |
| struct cdns_regmap_cdb_context *ctx; |
| |
| ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); |
| if (!ctx) |
| return ERR_PTR(-ENOMEM); |
| |
| ctx->dev = dev; |
| ctx->base = base + block_offset; |
| ctx->reg_offset_shift = reg_offset_shift; |
| |
| return devm_regmap_init(dev, NULL, ctx, config); |
| } |
| |
| static int cdns_regfield_init(struct cdns_sierra_phy *sp) |
| { |
| struct device *dev = sp->dev; |
| struct regmap_field *field; |
| struct reg_field reg_field; |
| struct regmap *regmap; |
| int i; |
| |
| regmap = sp->regmap_common_cdb; |
| field = devm_regmap_field_alloc(dev, regmap, macro_id_type); |
| if (IS_ERR(field)) { |
| dev_err(dev, "MACRO_ID_TYPE reg field init failed\n"); |
| return PTR_ERR(field); |
| } |
| sp->macro_id_type = field; |
| |
| for (i = 0; i < SIERRA_NUM_CMN_PLLC; i++) { |
| reg_field = cmn_plllc_pfdclk1_sel_preg[i].pfdclk_sel_preg; |
| field = devm_regmap_field_alloc(dev, regmap, reg_field); |
| if (IS_ERR(field)) { |
| dev_err(dev, "PLLLC%d_PFDCLK1_SEL failed\n", i); |
| return PTR_ERR(field); |
| } |
| sp->cmn_plllc_pfdclk1_sel_preg[i] = field; |
| |
| reg_field = cmn_plllc_pfdclk1_sel_preg[i].plllc1en_field; |
| field = devm_regmap_field_alloc(dev, regmap, reg_field); |
| if (IS_ERR(field)) { |
| dev_err(dev, "REFRCV%d_REFCLK_PLLLC1EN failed\n", i); |
| return PTR_ERR(field); |
| } |
| sp->cmn_refrcv_refclk_plllc1en_preg[i] = field; |
| |
| reg_field = cmn_plllc_pfdclk1_sel_preg[i].termen_field; |
| field = devm_regmap_field_alloc(dev, regmap, reg_field); |
| if (IS_ERR(field)) { |
| dev_err(dev, "REFRCV%d_REFCLK_TERMEN failed\n", i); |
| return PTR_ERR(field); |
| } |
| sp->cmn_refrcv_refclk_termen_preg[i] = field; |
| } |
| |
| regmap = sp->regmap_phy_config_ctrl; |
| field = devm_regmap_field_alloc(dev, regmap, phy_pll_cfg_1); |
| if (IS_ERR(field)) { |
| dev_err(dev, "PHY_PLL_CFG_1 reg field init failed\n"); |
| return PTR_ERR(field); |
| } |
| sp->phy_pll_cfg_1 = field; |
| |
| for (i = 0; i < SIERRA_MAX_LANES; i++) { |
| regmap = sp->regmap_lane_cdb[i]; |
| field = devm_regmap_field_alloc(dev, regmap, pllctrl_lock); |
| if (IS_ERR(field)) { |
| dev_err(dev, "P%d_ENABLE reg field init failed\n", i); |
| return PTR_ERR(field); |
| } |
| sp->pllctrl_lock[i] = field; |
| } |
| |
| return 0; |
| } |
| |
| static int cdns_regmap_init_blocks(struct cdns_sierra_phy *sp, |
| void __iomem *base, u8 block_offset_shift, |
| u8 reg_offset_shift) |
| { |
| struct device *dev = sp->dev; |
| struct regmap *regmap; |
| u32 block_offset; |
| int i; |
| |
| for (i = 0; i < SIERRA_MAX_LANES; i++) { |
| block_offset = SIERRA_LANE_CDB_OFFSET(i, block_offset_shift, |
| reg_offset_shift); |
| regmap = cdns_regmap_init(dev, base, block_offset, |
| reg_offset_shift, |
| &cdns_sierra_lane_cdb_config[i]); |
| if (IS_ERR(regmap)) { |
| dev_err(dev, "Failed to init lane CDB regmap\n"); |
| return PTR_ERR(regmap); |
| } |
| sp->regmap_lane_cdb[i] = regmap; |
| } |
| |
| regmap = cdns_regmap_init(dev, base, SIERRA_COMMON_CDB_OFFSET, |
| reg_offset_shift, |
| &cdns_sierra_common_cdb_config); |
| if (IS_ERR(regmap)) { |
| dev_err(dev, "Failed to init common CDB regmap\n"); |
| return PTR_ERR(regmap); |
| } |
| sp->regmap_common_cdb = regmap; |
| |
| block_offset = SIERRA_PHY_CONFIG_CTRL_OFFSET(block_offset_shift); |
| regmap = cdns_regmap_init(dev, base, block_offset, reg_offset_shift, |
| &cdns_sierra_phy_config_ctrl_config); |
| if (IS_ERR(regmap)) { |
| dev_err(dev, "Failed to init PHY config and control regmap\n"); |
| return PTR_ERR(regmap); |
| } |
| sp->regmap_phy_config_ctrl = regmap; |
| |
| return 0; |
| } |
| |
| static int cdns_sierra_phy_get_clocks(struct cdns_sierra_phy *sp, |
| struct device *dev) |
| { |
| struct clk *clk; |
| int ret; |
| |
| clk = devm_clk_get_optional(dev, "phy_clk"); |
| if (IS_ERR(clk)) { |
| dev_err(dev, "failed to get clock phy_clk\n"); |
| return PTR_ERR(clk); |
| } |
| sp->input_clks[PHY_CLK] = clk; |
| |
| clk = devm_clk_get_optional(dev, "cmn_refclk_dig_div"); |
| if (IS_ERR(clk)) { |
| dev_err(dev, "cmn_refclk_dig_div clock not found\n"); |
| ret = PTR_ERR(clk); |
| return ret; |
| } |
| sp->input_clks[CMN_REFCLK_DIG_DIV] = clk; |
| |
| clk = devm_clk_get_optional(dev, "cmn_refclk1_dig_div"); |
| if (IS_ERR(clk)) { |
| dev_err(dev, "cmn_refclk1_dig_div clock not found\n"); |
| ret = PTR_ERR(clk); |
| return ret; |
| } |
| sp->input_clks[CMN_REFCLK1_DIG_DIV] = clk; |
| |
| clk = devm_clk_get_optional(dev, "pll0_refclk"); |
| if (IS_ERR(clk)) { |
| dev_err(dev, "pll0_refclk clock not found\n"); |
| ret = PTR_ERR(clk); |
| return ret; |
| } |
| sp->input_clks[PLL0_REFCLK] = clk; |
| |
| clk = devm_clk_get_optional(dev, "pll1_refclk"); |
| if (IS_ERR(clk)) { |
| dev_err(dev, "pll1_refclk clock not found\n"); |
| ret = PTR_ERR(clk); |
| return ret; |
| } |
| sp->input_clks[PLL1_REFCLK] = clk; |
| |
| return 0; |
| } |
| |
| static int cdns_sierra_phy_enable_clocks(struct cdns_sierra_phy *sp) |
| { |
| int ret; |
| |
| ret = clk_prepare_enable(sp->input_clks[PHY_CLK]); |
| if (ret) |
| return ret; |
| |
| ret = clk_prepare_enable(sp->output_clks[CDNS_SIERRA_PLL_CMNLC]); |
| if (ret) |
| goto err_pll_cmnlc; |
| |
| ret = clk_prepare_enable(sp->output_clks[CDNS_SIERRA_PLL_CMNLC1]); |
| if (ret) |
| goto err_pll_cmnlc1; |
| |
| return 0; |
| |
| err_pll_cmnlc1: |
| clk_disable_unprepare(sp->output_clks[CDNS_SIERRA_PLL_CMNLC]); |
| |
| err_pll_cmnlc: |
| clk_disable_unprepare(sp->input_clks[PHY_CLK]); |
| |
| return ret; |
| } |
| |
| static void cdns_sierra_phy_disable_clocks(struct cdns_sierra_phy *sp) |
| { |
| clk_disable_unprepare(sp->output_clks[CDNS_SIERRA_PLL_CMNLC1]); |
| clk_disable_unprepare(sp->output_clks[CDNS_SIERRA_PLL_CMNLC]); |
| clk_disable_unprepare(sp->input_clks[PHY_CLK]); |
| } |
| |
| static int cdns_sierra_phy_get_resets(struct cdns_sierra_phy *sp, |
| struct device *dev) |
| { |
| struct reset_control *rst; |
| |
| rst = devm_reset_control_get_exclusive(dev, "sierra_reset"); |
| if (IS_ERR(rst)) { |
| dev_err(dev, "failed to get reset\n"); |
| return PTR_ERR(rst); |
| } |
| sp->phy_rst = rst; |
| |
| rst = devm_reset_control_get_optional_exclusive(dev, "sierra_apb"); |
| if (IS_ERR(rst)) { |
| dev_err(dev, "failed to get apb reset\n"); |
| return PTR_ERR(rst); |
| } |
| sp->apb_rst = rst; |
| |
| return 0; |
| } |
| |
| static int cdns_sierra_phy_probe(struct platform_device *pdev) |
| { |
| struct cdns_sierra_phy *sp; |
| struct phy_provider *phy_provider; |
| struct device *dev = &pdev->dev; |
| const struct of_device_id *match; |
| struct cdns_sierra_data *data; |
| unsigned int id_value; |
| int i, ret, node = 0; |
| void __iomem *base; |
| struct device_node *dn = dev->of_node, *child; |
| |
| if (of_get_child_count(dn) == 0) |
| return -ENODEV; |
| |
| /* Get init data for this PHY */ |
| match = of_match_device(cdns_sierra_id_table, dev); |
| if (!match) |
| return -EINVAL; |
| |
| data = (struct cdns_sierra_data *)match->data; |
| |
| sp = devm_kzalloc(dev, sizeof(*sp), GFP_KERNEL); |
| if (!sp) |
| return -ENOMEM; |
| dev_set_drvdata(dev, sp); |
| sp->dev = dev; |
| sp->init_data = data; |
| |
| base = devm_platform_ioremap_resource(pdev, 0); |
| if (IS_ERR(base)) { |
| dev_err(dev, "missing \"reg\"\n"); |
| return PTR_ERR(base); |
| } |
| |
| ret = cdns_regmap_init_blocks(sp, base, data->block_offset_shift, |
| data->reg_offset_shift); |
| if (ret) |
| return ret; |
| |
| ret = cdns_regfield_init(sp); |
| if (ret) |
| return ret; |
| |
| platform_set_drvdata(pdev, sp); |
| |
| ret = cdns_sierra_phy_get_clocks(sp, dev); |
| if (ret) |
| return ret; |
| |
| ret = cdns_sierra_clk_register(sp); |
| if (ret) |
| return ret; |
| |
| ret = cdns_sierra_phy_get_resets(sp, dev); |
| if (ret) |
| goto unregister_clk; |
| |
| ret = cdns_sierra_phy_enable_clocks(sp); |
| if (ret) |
| goto unregister_clk; |
| |
| /* Enable APB */ |
| reset_control_deassert(sp->apb_rst); |
| |
| /* Check that PHY is present */ |
| regmap_field_read(sp->macro_id_type, &id_value); |
| if (sp->init_data->id_value != id_value) { |
| ret = -EINVAL; |
| goto clk_disable; |
| } |
| |
| sp->autoconf = of_property_read_bool(dn, "cdns,autoconf"); |
| |
| for_each_available_child_of_node(dn, child) { |
| struct phy *gphy; |
| |
| if (!(of_node_name_eq(child, "phy") || |
| of_node_name_eq(child, "link"))) |
| continue; |
| |
| sp->phys[node].lnk_rst = |
| of_reset_control_array_get_exclusive(child); |
| |
| if (IS_ERR(sp->phys[node].lnk_rst)) { |
| dev_err(dev, "failed to get reset %s\n", |
| child->full_name); |
| ret = PTR_ERR(sp->phys[node].lnk_rst); |
| goto put_child2; |
| } |
| |
| if (!sp->autoconf) { |
| ret = cdns_sierra_get_optional(&sp->phys[node], child); |
| if (ret) { |
| dev_err(dev, "missing property in node %s\n", |
| child->name); |
| goto put_child; |
| } |
| } |
| |
| sp->num_lanes += sp->phys[node].num_lanes; |
| |
| gphy = devm_phy_create(dev, child, &ops); |
| |
| if (IS_ERR(gphy)) { |
| ret = PTR_ERR(gphy); |
| goto put_child; |
| } |
| sp->phys[node].phy = gphy; |
| phy_set_drvdata(gphy, &sp->phys[node]); |
| |
| node++; |
| } |
| sp->nsubnodes = node; |
| |
| if (sp->num_lanes > SIERRA_MAX_LANES) { |
| ret = -EINVAL; |
| dev_err(dev, "Invalid lane configuration\n"); |
| goto put_child2; |
| } |
| |
| /* If more than one subnode, configure the PHY as multilink */ |
| if (!sp->autoconf && sp->nsubnodes > 1) |
| regmap_field_write(sp->phy_pll_cfg_1, 0x1); |
| |
| pm_runtime_enable(dev); |
| phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); |
| return PTR_ERR_OR_ZERO(phy_provider); |
| |
| put_child: |
| node++; |
| put_child2: |
| for (i = 0; i < node; i++) |
| reset_control_put(sp->phys[i].lnk_rst); |
| of_node_put(child); |
| clk_disable: |
| cdns_sierra_phy_disable_clocks(sp); |
| reset_control_assert(sp->apb_rst); |
| unregister_clk: |
| cdns_sierra_clk_unregister(sp); |
| return ret; |
| } |
| |
| static int cdns_sierra_phy_remove(struct platform_device *pdev) |
| { |
| struct cdns_sierra_phy *phy = platform_get_drvdata(pdev); |
| int i; |
| |
| reset_control_assert(phy->phy_rst); |
| reset_control_assert(phy->apb_rst); |
| pm_runtime_disable(&pdev->dev); |
| |
| cdns_sierra_phy_disable_clocks(phy); |
| /* |
| * The device level resets will be put automatically. |
| * Need to put the subnode resets here though. |
| */ |
| for (i = 0; i < phy->nsubnodes; i++) { |
| reset_control_assert(phy->phys[i].lnk_rst); |
| reset_control_put(phy->phys[i].lnk_rst); |
| } |
| |
| cdns_sierra_clk_unregister(phy); |
| |
| return 0; |
| } |
| |
| /* refclk100MHz_32b_PCIe_cmn_pll_ext_ssc */ |
| static const struct cdns_reg_pairs cdns_pcie_cmn_regs_ext_ssc[] = { |
| {0x2106, SIERRA_CMN_PLLLC_LF_COEFF_MODE1_PREG}, |
| {0x2106, SIERRA_CMN_PLLLC_LF_COEFF_MODE0_PREG}, |
| {0x8A06, SIERRA_CMN_PLLLC_BWCAL_MODE1_PREG}, |
| {0x8A06, SIERRA_CMN_PLLLC_BWCAL_MODE0_PREG}, |
| {0x1B1B, SIERRA_CMN_PLLLC_SS_TIME_STEPSIZE_MODE_PREG} |
| }; |
| |
| /* refclk100MHz_32b_PCIe_ln_ext_ssc */ |
| static const struct cdns_reg_pairs cdns_pcie_ln_regs_ext_ssc[] = { |
| {0x813E, SIERRA_CLKPATHCTRL_TMR_PREG}, |
| {0x8047, SIERRA_RX_CREQ_FLTR_A_MODE3_PREG}, |
| {0x808F, SIERRA_RX_CREQ_FLTR_A_MODE2_PREG}, |
| {0x808F, SIERRA_RX_CREQ_FLTR_A_MODE1_PREG}, |
| {0x808F, SIERRA_RX_CREQ_FLTR_A_MODE0_PREG}, |
| {0x033C, SIERRA_RX_CTLE_MAINTENANCE_PREG}, |
| {0x44CC, SIERRA_CREQ_EQ_OPEN_EYE_THRESH_PREG} |
| }; |
| |
| /* refclk100MHz_20b_USB_cmn_pll_ext_ssc */ |
| static const struct cdns_reg_pairs cdns_usb_cmn_regs_ext_ssc[] = { |
| {0x2085, SIERRA_CMN_PLLLC_LF_COEFF_MODE1_PREG}, |
| {0x2085, SIERRA_CMN_PLLLC_LF_COEFF_MODE0_PREG}, |
| {0x0000, SIERRA_CMN_PLLLC_BWCAL_MODE0_PREG}, |
| {0x0000, SIERRA_CMN_PLLLC_SS_TIME_STEPSIZE_MODE_PREG} |
| }; |
| |
| /* refclk100MHz_20b_USB_ln_ext_ssc */ |
| static const struct cdns_reg_pairs cdns_usb_ln_regs_ext_ssc[] = { |
| {0xFE0A, SIERRA_DET_STANDEC_A_PREG}, |
| {0x000F, SIERRA_DET_STANDEC_B_PREG}, |
| {0x55A5, SIERRA_DET_STANDEC_C_PREG}, |
| {0x69ad, SIERRA_DET_STANDEC_D_PREG}, |
| {0x0241, SIERRA_DET_STANDEC_E_PREG}, |
| {0x0110, SIERRA_PSM_LANECAL_DLY_A1_RESETS_PREG}, |
| {0x0014, SIERRA_PSM_A0IN_TMR_PREG}, |
| {0xCF00, SIERRA_PSM_DIAG_PREG}, |
| {0x001F, SIERRA_PSC_TX_A0_PREG}, |
| {0x0007, SIERRA_PSC_TX_A1_PREG}, |
| {0x0003, SIERRA_PSC_TX_A2_PREG}, |
| {0x0003, SIERRA_PSC_TX_A3_PREG}, |
| {0x0FFF, SIERRA_PSC_RX_A0_PREG}, |
| {0x0003, SIERRA_PSC_RX_A1_PREG}, |
| {0x0003, SIERRA_PSC_RX_A2_PREG}, |
| {0x0001, SIERRA_PSC_RX_A3_PREG}, |
| {0x0001, SIERRA_PLLCTRL_SUBRATE_PREG}, |
| {0x0406, SIERRA_PLLCTRL_GEN_D_PREG}, |
| {0x5233, SIERRA_PLLCTRL_CPGAIN_MODE_PREG}, |
| {0x00CA, SIERRA_CLKPATH_BIASTRIM_PREG}, |
| {0x2512, SIERRA_DFE_BIASTRIM_PREG}, |
| {0x0000, SIERRA_DRVCTRL_ATTEN_PREG}, |
| {0x823E, SIERRA_CLKPATHCTRL_TMR_PREG}, |
| {0x078F, SIERRA_RX_CREQ_FLTR_A_MODE1_PREG}, |
| {0x078F, SIERRA_RX_CREQ_FLTR_A_MODE0_PREG}, |
| {0x7B3C, SIERRA_CREQ_CCLKDET_MODE01_PREG}, |
| {0x023C, SIERRA_RX_CTLE_MAINTENANCE_PREG}, |
| {0x3232, SIERRA_CREQ_FSMCLK_SEL_PREG}, |
| {0x0000, SIERRA_CREQ_EQ_CTRL_PREG}, |
| {0x0000, SIERRA_CREQ_SPARE_PREG}, |
| {0xCC44, SIERRA_CREQ_EQ_OPEN_EYE_THRESH_PREG}, |
| {0x8452, SIERRA_CTLELUT_CTRL_PREG}, |
| {0x4121, SIERRA_DFE_ECMP_RATESEL_PREG}, |
| {0x4121, SIERRA_DFE_SMP_RATESEL_PREG}, |
| {0x0003, SIERRA_DEQ_PHALIGN_CTRL}, |
| {0x3200, SIERRA_DEQ_CONCUR_CTRL1_PREG}, |
| {0x5064, SIERRA_DEQ_CONCUR_CTRL2_PREG}, |
| {0x0030, SIERRA_DEQ_EPIPWR_CTRL2_PREG}, |
| {0x0048, SIERRA_DEQ_FAST_MAINT_CYCLES_PREG}, |
| {0x5A5A, SIERRA_DEQ_ERRCMP_CTRL_PREG}, |
| {0x02F5, SIERRA_DEQ_OFFSET_CTRL_PREG}, |
| {0x02F5, SIERRA_DEQ_GAIN_CTRL_PREG}, |
| {0x9999, SIERRA_DEQ_VGATUNE_CTRL_PREG}, |
| {0x0014, SIERRA_DEQ_GLUT0}, |
| {0x0014, SIERRA_DEQ_GLUT1}, |
| {0x0014, SIERRA_DEQ_GLUT2}, |
| {0x0014, SIERRA_DEQ_GLUT3}, |
| {0x0014, SIERRA_DEQ_GLUT4}, |
| {0x0014, SIERRA_DEQ_GLUT5}, |
| {0x0014, SIERRA_DEQ_GLUT6}, |
| {0x0014, SIERRA_DEQ_GLUT7}, |
| {0x0014, SIERRA_DEQ_GLUT8}, |
| {0x0014, SIERRA_DEQ_GLUT9}, |
| {0x0014, SIERRA_DEQ_GLUT10}, |
| {0x0014, SIERRA_DEQ_GLUT11}, |
| {0x0014, SIERRA_DEQ_GLUT12}, |
| {0x0014, SIERRA_DEQ_GLUT13}, |
| {0x0014, SIERRA_DEQ_GLUT14}, |
| {0x0014, SIERRA_DEQ_GLUT15}, |
| {0x0014, SIERRA_DEQ_GLUT16}, |
| {0x0BAE, SIERRA_DEQ_ALUT0}, |
| {0x0AEB, SIERRA_DEQ_ALUT1}, |
| {0x0A28, SIERRA_DEQ_ALUT2}, |
| {0x0965, SIERRA_DEQ_ALUT3}, |
| {0x08A2, SIERRA_DEQ_ALUT4}, |
| {0x07DF, SIERRA_DEQ_ALUT5}, |
| {0x071C, SIERRA_DEQ_ALUT6}, |
| {0x0659, SIERRA_DEQ_ALUT7}, |
| {0x0596, SIERRA_DEQ_ALUT8}, |
| {0x0514, SIERRA_DEQ_ALUT9}, |
| {0x0492, SIERRA_DEQ_ALUT10}, |
| {0x0410, SIERRA_DEQ_ALUT11}, |
| {0x038E, SIERRA_DEQ_ALUT12}, |
| {0x030C, SIERRA_DEQ_ALUT13}, |
| {0x03F4, SIERRA_DEQ_DFETAP_CTRL_PREG}, |
| {0x0001, SIERRA_DFE_EN_1010_IGNORE_PREG}, |
| {0x3C01, SIERRA_DEQ_TAU_CTRL1_FAST_MAINT_PREG}, |
| {0x3C40, SIERRA_DEQ_TAU_CTRL1_SLOW_MAINT_PREG}, |
| {0x1C08, SIERRA_DEQ_TAU_CTRL2_PREG}, |
| {0x0033, SIERRA_DEQ_PICTRL_PREG}, |
| {0x0400, SIERRA_CPICAL_TMRVAL_MODE1_PREG}, |
| {0x0330, SIERRA_CPICAL_TMRVAL_MODE0_PREG}, |
| {0x01FF, SIERRA_CPICAL_PICNT_MODE1_PREG}, |
| {0x0009, SIERRA_CPI_OUTBUF_RATESEL_PREG}, |
| {0x3232, SIERRA_CPICAL_RES_STARTCODE_MODE23_PREG}, |
| {0x0005, SIERRA_LFPSDET_SUPPORT_PREG}, |
| {0x000F, SIERRA_LFPSFILT_NS_PREG}, |
| {0x0009, SIERRA_LFPSFILT_RD_PREG}, |
| {0x0001, SIERRA_LFPSFILT_MP_PREG}, |
| {0x6013, SIERRA_SIGDET_SUPPORT_PREG}, |
| {0x8013, SIERRA_SDFILT_H2L_A_PREG}, |
| {0x8009, SIERRA_SDFILT_L2H_PREG}, |
| {0x0024, SIERRA_RXBUFFER_CTLECTRL_PREG}, |
| {0x0020, SIERRA_RXBUFFER_RCDFECTRL_PREG}, |
| {0x4243, SIERRA_RXBUFFER_DFECTRL_PREG} |
| }; |
| |
| static const struct cdns_sierra_data cdns_map_sierra = { |
| SIERRA_MACRO_ID, |
| 0x2, |
| 0x2, |
| ARRAY_SIZE(cdns_pcie_cmn_regs_ext_ssc), |
| ARRAY_SIZE(cdns_pcie_ln_regs_ext_ssc), |
| ARRAY_SIZE(cdns_usb_cmn_regs_ext_ssc), |
| ARRAY_SIZE(cdns_usb_ln_regs_ext_ssc), |
| cdns_pcie_cmn_regs_ext_ssc, |
| cdns_pcie_ln_regs_ext_ssc, |
| cdns_usb_cmn_regs_ext_ssc, |
| cdns_usb_ln_regs_ext_ssc, |
| }; |
| |
| static const struct cdns_sierra_data cdns_ti_map_sierra = { |
| SIERRA_MACRO_ID, |
| 0x0, |
| 0x1, |
| ARRAY_SIZE(cdns_pcie_cmn_regs_ext_ssc), |
| ARRAY_SIZE(cdns_pcie_ln_regs_ext_ssc), |
| ARRAY_SIZE(cdns_usb_cmn_regs_ext_ssc), |
| ARRAY_SIZE(cdns_usb_ln_regs_ext_ssc), |
| cdns_pcie_cmn_regs_ext_ssc, |
| cdns_pcie_ln_regs_ext_ssc, |
| cdns_usb_cmn_regs_ext_ssc, |
| cdns_usb_ln_regs_ext_ssc, |
| }; |
| |
| static const struct of_device_id cdns_sierra_id_table[] = { |
| { |
| .compatible = "cdns,sierra-phy-t0", |
| .data = &cdns_map_sierra, |
| }, |
| { |
| .compatible = "ti,sierra-phy-t0", |
| .data = &cdns_ti_map_sierra, |
| }, |
| {} |
| }; |
| MODULE_DEVICE_TABLE(of, cdns_sierra_id_table); |
| |
| static struct platform_driver cdns_sierra_driver = { |
| .probe = cdns_sierra_phy_probe, |
| .remove = cdns_sierra_phy_remove, |
| .driver = { |
| .name = "cdns-sierra-phy", |
| .of_match_table = cdns_sierra_id_table, |
| }, |
| }; |
| module_platform_driver(cdns_sierra_driver); |
| |
| MODULE_ALIAS("platform:cdns_sierra"); |
| MODULE_AUTHOR("Cadence Design Systems"); |
| MODULE_DESCRIPTION("CDNS sierra phy driver"); |
| MODULE_LICENSE("GPL v2"); |