@@ -269,4 +269,6 @@ config PHY_MTK_TPHY
so you can easily distinguish them by banks layout.
source "drivers/phy/rockchip/Kconfig"
+source "drivers/phy/cadence/Kconfig"
+
endmenu
@@ -31,3 +31,4 @@ obj-$(CONFIG_MT7620_USB_PHY) += mt7620-usb-phy.o
obj-$(CONFIG_MT76X8_USB_PHY) += mt76x8-usb-phy.o
obj-$(CONFIG_PHY_DA8XX_USB) += phy-da8xx-usb.o
obj-$(CONFIG_PHY_MTK_TPHY) += phy-mtk-tphy.o
+obj-y += cadence/
new file mode 100644
@@ -0,0 +1,5 @@
+config PHY_CADENCE_SIERRA
+ tristate "Cadence Sierra PHY Driver"
+ depends on DM_RESET
+ help
+ Enable this to support the Cadence Sierra PHY driver
new file mode 100644
@@ -0,0 +1 @@
+obj-$(CONFIG_$(SPL_)PHY_CADENCE_SIERRA) += phy-cadence-sierra.o
new file mode 100644
@@ -0,0 +1,757 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Cadence Sierra PHY Driver
+ *
+ * Based on the linux driver provided by Cadence
+ *
+ * Copyright (c) 2018 Cadence Design Systems
+ * Author: Alan Douglas <adouglas@cadence.com>
+ *
+ * Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com/
+ * Jean-Jacques Hiblot <jjhiblot@ti.com>
+ *
+ */
+#include <common.h>
+#include <clk.h>
+#include <generic-phy.h>
+#include <reset.h>
+#include <dm/device.h>
+#include <dm/device-internal.h>
+#include <dm/device_compat.h>
+#include <dm/lists.h>
+#include <dm/read.h>
+#include <dm/uclass.h>
+#include <dm/devres.h>
+#include <linux/io.h>
+#include <dt-bindings/phy/phy.h>
+#include <regmap.h>
+
+/* PHY register offsets */
+#define SIERRA_COMMON_CDB_OFFSET 0x0
+#define SIERRA_MACRO_ID_REG 0x0
+#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_LANE_CDB_OFFSET(ln, offset) \
+ (0x4000 + ((ln) * (0x800 >> (2 - (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 0xc000
+#define SIERRA_PHY_PLL_CFG 0xe
+
+#define SIERRA_MACRO_ID 0x00007364
+#define SIERRA_MAX_LANES 16
+#define PLL_LOCK_TIME 100
+
+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);
+
+#define reset_control_assert(rst) cdns_reset_assert(rst)
+#define reset_control_deassert(rst) cdns_reset_deassert(rst)
+#define reset_control reset_ctl
+
+struct cdns_sierra_inst {
+ u32 phy_type;
+ u32 num_lanes;
+ u32 mlane;
+ struct reset_ctl_bulk *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;
+ struct cdns_reg_pairs *pcie_cmn_vals;
+ struct cdns_reg_pairs *pcie_ln_vals;
+ struct cdns_reg_pairs *usb_cmn_vals;
+ struct cdns_reg_pairs *usb_ln_vals;
+};
+
+struct cdns_regmap_cdb_context {
+ struct udevice *dev;
+ void __iomem *base;
+ u8 reg_offset_shift;
+};
+
+struct cdns_sierra_phy {
+ struct udevice *dev;
+ void *base;
+ size_t size;
+ 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 clk *clk;
+ struct clk *cmn_refclk;
+ struct clk *cmn_refclk1;
+ int nsubnodes;
+ u32 num_lanes;
+ bool autoconf;
+};
+
+static inline int cdns_reset_assert(struct reset_control *rst)
+{
+ if (rst)
+ return reset_assert(rst);
+ else
+ return 0;
+}
+
+static inline int cdns_reset_deassert(struct reset_control *rst)
+{
+ if (rst)
+ return reset_deassert(rst);
+ else
+ return 0;
+}
+
+static inline struct cdns_sierra_inst *phy_get_drvdata(struct phy *phy)
+{
+ struct cdns_sierra_phy *sp = dev_get_priv(phy->dev);
+
+ if (phy->id < sp->nsubnodes)
+ return &sp->phys[phy->id];
+ else
+ return NULL;
+}
+
+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_priv(gphy->dev);
+ struct regmap *regmap = phy->regmap;
+ int i, j;
+ 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->cmn_refclk, 25000000);
+ clk_set_rate(phy->cmn_refclk1, 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_inst *ins = phy_get_drvdata(gphy);
+ struct cdns_sierra_phy *sp = dev_get_priv(gphy->dev);
+ struct udevice *dev = gphy->dev;
+ u32 val;
+ int ret;
+
+ /* Take the PHY lane group out of reset */
+ ret = reset_deassert_bulk(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");
+
+ reset_control_assert(sp->phy_rst);
+ reset_control_deassert(sp->phy_rst);
+
+ return ret;
+}
+
+static int cdns_sierra_phy_off(struct phy *gphy)
+{
+ struct cdns_sierra_inst *ins = phy_get_drvdata(gphy);
+
+ return reset_assert_bulk(ins->lnk_rst);
+}
+
+static int cdns_sierra_phy_reset(struct phy *gphy)
+{
+ struct cdns_sierra_phy *sp = dev_get_priv(gphy->dev);
+
+ 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,
+};
+
+static int cdns_sierra_get_optional(struct cdns_sierra_inst *inst,
+ ofnode child)
+{
+ if (ofnode_read_u32(child, "reg", &inst->mlane))
+ return -EINVAL;
+
+ if (ofnode_read_u32(child, "cdns,num-lanes", &inst->num_lanes))
+ return -EINVAL;
+
+ if (ofnode_read_u32(child, "cdns,phy-type", &inst->phy_type))
+ return -EINVAL;
+
+ return 0;
+}
+
+static struct regmap *cdns_regmap_init(struct udevice *dev, void __iomem *base,
+ u32 block_offset, u8 block_offset_shift,
+ u8 reg_offset_shift)
+{
+ struct cdns_sierra_phy *sp = dev_get_priv(dev);
+ struct regmap_config config;
+
+ config.r_start = (ulong)(base + (block_offset << block_offset_shift));
+ config.r_size = sp->size - (block_offset << block_offset_shift);
+ config.reg_offset_shift = reg_offset_shift;
+ config.width = REGMAP_SIZE_16;
+
+ return devm_regmap_init(dev, NULL, NULL, &config);
+}
+
+static int cdns_regfield_init(struct cdns_sierra_phy *sp)
+{
+ struct udevice *dev = sp->dev;
+ struct regmap_field *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;
+
+ 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 udevice *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, reg_offset_shift);
+ regmap = cdns_regmap_init(dev, base, block_offset,
+ block_offset_shift, reg_offset_shift);
+ 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,
+ block_offset_shift, reg_offset_shift);
+ if (IS_ERR(regmap)) {
+ dev_err(dev, "Failed to init common CDB regmap\n");
+ return PTR_ERR(regmap);
+ }
+ sp->regmap_common_cdb = regmap;
+
+ regmap = cdns_regmap_init(dev, base, SIERRA_PHY_CONFIG_CTRL_OFFSET,
+ block_offset_shift, reg_offset_shift);
+ 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_probe(struct udevice *dev)
+{
+ struct cdns_sierra_phy *sp = dev_get_priv(dev);
+ struct cdns_sierra_data *data;
+ int ret, node = 0;
+ ofnode child;
+ unsigned int id_value;
+ struct clk *clk;
+
+ sp->dev = dev;
+
+ sp->base = devfdt_remap_addr_index(dev, 0);
+ if (!sp->base) {
+ dev_err(dev, "unable to map regs\n");
+ return -ENOMEM;
+ }
+ devfdt_get_addr_size_index(dev, 0, (fdt_size_t *)&sp->size);
+
+ /* Get init data for this PHY */
+ data = (struct cdns_sierra_data *)dev_get_driver_data(dev);
+ sp->init_data = data;
+
+ ret = cdns_regmap_init_blocks(sp, sp->base, data->block_offset_shift,
+ data->reg_offset_shift);
+ if (ret)
+ return ret;
+
+ ret = cdns_regfield_init(sp);
+ if (ret)
+ return ret;
+
+ sp->clk = devm_clk_get_optional(dev, "phy_clk");
+ if (IS_ERR(sp->clk)) {
+ dev_err(dev, "failed to get clock phy_clk\n");
+ return PTR_ERR(sp->clk);
+ }
+
+ sp->phy_rst = devm_reset_control_get(dev, "sierra_reset");
+ if (IS_ERR(sp->phy_rst)) {
+ dev_err(dev, "failed to get reset\n");
+ return PTR_ERR(sp->phy_rst);
+ }
+
+ sp->apb_rst = devm_reset_control_get_optional(dev, "sierra_apb");
+ if (IS_ERR(sp->apb_rst)) {
+ dev_err(dev, "failed to get apb reset\n");
+ return PTR_ERR(sp->apb_rst);
+ }
+
+ clk = devm_clk_get_optional(dev, "cmn_refclk_dig_div");
+ if (IS_ERR(clk)) {
+ dev_err(dev, "cmn_refclk clock not found\n");
+ ret = PTR_ERR(clk);
+ return ret;
+ }
+ sp->cmn_refclk = clk;
+
+ clk = devm_clk_get_optional(dev, "cmn_refclk1_dig_div");
+ if (IS_ERR(clk)) {
+ dev_err(dev, "cmn_refclk1 clock not found\n");
+ ret = PTR_ERR(clk);
+ return ret;
+ }
+ sp->cmn_refclk1 = clk;
+
+ ret = clk_prepare_enable(sp->clk);
+ if (ret)
+ return ret;
+
+ /* 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) {
+ dev_err(dev, "PHY not found 0x%x vs 0x%x\n",
+ sp->init_data->id_value, id_value);
+ ret = -EINVAL;
+ goto clk_disable;
+ }
+
+ sp->autoconf = dev_read_bool(dev, "cdns,autoconf");
+
+ ofnode_for_each_subnode(child, dev_ofnode(dev)) {
+ sp->phys[node].lnk_rst = devm_reset_bulk_get_by_node(dev,
+ child);
+ if (IS_ERR(sp->phys[node].lnk_rst)) {
+ ret = PTR_ERR(sp->phys[node].lnk_rst);
+ dev_err(dev, "failed to get reset %s\n",
+ ofnode_get_name(child));
+ 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",
+ ofnode_get_name(child));
+ goto put_child;
+ }
+ }
+ sp->num_lanes += sp->phys[node].num_lanes;
+
+ node++;
+ }
+ sp->nsubnodes = node;
+
+ /* 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);
+
+ reset_control_deassert(sp->phy_rst);
+ dev_info(dev, "sierra probed\n");
+ return 0;
+
+put_child:
+ node++;
+put_child2:
+
+clk_disable:
+ clk_disable_unprepare(sp->clk);
+ reset_control_assert(sp->apb_rst);
+ return ret;
+}
+
+static int cdns_sierra_phy_remove(struct udevice *dev)
+{
+ struct cdns_sierra_phy *phy = dev_get_priv(dev);
+ int i;
+
+ reset_control_assert(phy->phy_rst);
+ reset_control_assert(phy->apb_rst);
+
+ /*
+ * The device level resets will be put automatically.
+ * Need to put the subnode resets here though.
+ */
+ for (i = 0; i < phy->nsubnodes; i++)
+ reset_assert_bulk(phy->phys[i].lnk_rst);
+
+ return 0;
+}
+
+/* refclk100MHz_32b_PCIe_cmn_pll_ext_ssc */
+static 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 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 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 struct cdns_reg_pairs cdns_usb_ln_regs_ext_ssc[] = {
+ {0xFE0A, SIERRA_DET_STANDEC_A_PREG},
+ {0x000F, SIERRA_DET_STANDEC_B_PREG},
+ {0x00A5, SIERRA_DET_STANDEC_C_PREG},
+ {0x69ad, SIERRA_DET_STANDEC_D_PREG},
+ {0x0241, SIERRA_DET_STANDEC_E_PREG},
+ {0x0010, 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},
+ {0x0619, 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},
+ {0x873E, SIERRA_CLKPATHCTRL_TMR_PREG},
+ {0x03CF, SIERRA_RX_CREQ_FLTR_A_MODE1_PREG},
+ {0x01CE, SIERRA_RX_CREQ_FLTR_A_MODE0_PREG},
+ {0x7B3C, SIERRA_CREQ_CCLKDET_MODE01_PREG},
+ {0x033F, SIERRA_RX_CTLE_MAINTENANCE_PREG},
+ {0x3232, SIERRA_CREQ_FSMCLK_SEL_PREG},
+ {0x0000, SIERRA_CREQ_EQ_CTRL_PREG},
+ {0x8000, SIERRA_CREQ_SPARE_PREG},
+ {0xCC44, SIERRA_CREQ_EQ_OPEN_EYE_THRESH_PREG},
+ {0x8453, SIERRA_CTLELUT_CTRL_PREG},
+ {0x4110, SIERRA_DFE_ECMP_RATESEL_PREG},
+ {0x4110, SIERRA_DFE_SMP_RATESEL_PREG},
+ {0x0002, 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},
+ {0x9A8A, 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},
+ {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 udevice_id cdns_sierra_id_table[] = {
+ {
+ .compatible = "cdns,sierra-phy-t0",
+ .data = (ulong)&cdns_map_sierra,
+ },
+ {
+ .compatible = "ti,sierra-phy-t0",
+ .data = (ulong)&cdns_ti_map_sierra,
+ },
+ {}
+};
+
+U_BOOT_DRIVER(sierra_phy_provider) = {
+ .name = "cdns,sierra",
+ .id = UCLASS_PHY,
+ .of_match = cdns_sierra_id_table,
+ .probe = cdns_sierra_phy_probe,
+ .remove = cdns_sierra_phy_remove,
+ .ops = &ops,
+ .priv_auto = sizeof(struct cdns_sierra_phy),
+};