1 // SPDX-License-Identifier: GPL-2.0-only
3 * ROCKCHIP Type-C PHY driver.
5 * Copyright (C) 2020 Amarula Solutions(India)
6 * Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
14 #include <asm/global_data.h>
15 #include <dm/device_compat.h>
17 #include <generic-phy.h>
22 #include <linux/iopoll.h>
23 #include <asm/arch-rockchip/clock.h>
25 DECLARE_GLOBAL_DATA_PTR;
27 #define usleep_range(a, b) udelay((b))
29 #define CMN_SSM_BANDGAP (0x21 << 2)
30 #define CMN_SSM_BIAS (0x22 << 2)
31 #define CMN_PLLSM0_PLLEN (0x29 << 2)
32 #define CMN_PLLSM0_PLLPRE (0x2a << 2)
33 #define CMN_PLLSM0_PLLVREF (0x2b << 2)
34 #define CMN_PLLSM0_PLLLOCK (0x2c << 2)
35 #define CMN_PLLSM1_PLLEN (0x31 << 2)
36 #define CMN_PLLSM1_PLLPRE (0x32 << 2)
37 #define CMN_PLLSM1_PLLVREF (0x33 << 2)
38 #define CMN_PLLSM1_PLLLOCK (0x34 << 2)
39 #define CMN_PLLSM1_USER_DEF_CTRL (0x37 << 2)
40 #define CMN_ICAL_OVRD (0xc1 << 2)
41 #define CMN_PLL0_VCOCAL_OVRD (0x83 << 2)
42 #define CMN_PLL0_VCOCAL_INIT (0x84 << 2)
43 #define CMN_PLL0_VCOCAL_ITER (0x85 << 2)
44 #define CMN_PLL0_LOCK_REFCNT_START (0x90 << 2)
45 #define CMN_PLL0_LOCK_PLLCNT_START (0x92 << 2)
46 #define CMN_PLL0_LOCK_PLLCNT_THR (0x93 << 2)
47 #define CMN_PLL0_INTDIV (0x94 << 2)
48 #define CMN_PLL0_FRACDIV (0x95 << 2)
49 #define CMN_PLL0_HIGH_THR (0x96 << 2)
50 #define CMN_PLL0_DSM_DIAG (0x97 << 2)
51 #define CMN_PLL0_SS_CTRL1 (0x98 << 2)
52 #define CMN_PLL0_SS_CTRL2 (0x99 << 2)
53 #define CMN_PLL1_VCOCAL_START (0xa1 << 2)
54 #define CMN_PLL1_VCOCAL_OVRD (0xa3 << 2)
55 #define CMN_PLL1_VCOCAL_INIT (0xa4 << 2)
56 #define CMN_PLL1_VCOCAL_ITER (0xa5 << 2)
57 #define CMN_PLL1_LOCK_REFCNT_START (0xb0 << 2)
58 #define CMN_PLL1_LOCK_PLLCNT_START (0xb2 << 2)
59 #define CMN_PLL1_LOCK_PLLCNT_THR (0xb3 << 2)
60 #define CMN_PLL1_INTDIV (0xb4 << 2)
61 #define CMN_PLL1_FRACDIV (0xb5 << 2)
62 #define CMN_PLL1_HIGH_THR (0xb6 << 2)
63 #define CMN_PLL1_DSM_DIAG (0xb7 << 2)
64 #define CMN_PLL1_SS_CTRL1 (0xb8 << 2)
65 #define CMN_PLL1_SS_CTRL2 (0xb9 << 2)
66 #define CMN_RXCAL_OVRD (0xd1 << 2)
68 #define CMN_TXPUCAL_CTRL (0xe0 << 2)
69 #define CMN_TXPUCAL_OVRD (0xe1 << 2)
70 #define CMN_TXPDCAL_CTRL (0xf0 << 2)
71 #define CMN_TXPDCAL_OVRD (0xf1 << 2)
73 /* For CMN_TXPUCAL_CTRL, CMN_TXPDCAL_CTRL */
74 #define CMN_TXPXCAL_START BIT(15)
75 #define CMN_TXPXCAL_DONE BIT(14)
76 #define CMN_TXPXCAL_NO_RESPONSE BIT(13)
77 #define CMN_TXPXCAL_CURRENT_RESPONSE BIT(12)
79 #define CMN_TXPU_ADJ_CTRL (0x108 << 2)
80 #define CMN_TXPD_ADJ_CTRL (0x10c << 2)
83 * For CMN_TXPUCAL_CTRL, CMN_TXPDCAL_CTRL,
84 * CMN_TXPU_ADJ_CTRL, CMN_TXPDCAL_CTRL
86 * NOTE: some of these registers are documented to be 2's complement
87 * signed numbers, but then documented to be always positive. Weird.
88 * In such a case, using CMN_CALIB_CODE_POS() avoids the unnecessary
91 #define CMN_CALIB_CODE_WIDTH 7
92 #define CMN_CALIB_CODE_OFFSET 0
93 #define CMN_CALIB_CODE_MASK GENMASK(CMN_CALIB_CODE_WIDTH, 0)
94 #define CMN_CALIB_CODE(x) \
95 sign_extend32((x) >> CMN_CALIB_CODE_OFFSET, CMN_CALIB_CODE_WIDTH)
97 #define CMN_CALIB_CODE_POS_MASK GENMASK(CMN_CALIB_CODE_WIDTH - 1, 0)
98 #define CMN_CALIB_CODE_POS(x) \
99 (((x) >> CMN_CALIB_CODE_OFFSET) & CMN_CALIB_CODE_POS_MASK)
101 #define CMN_DIAG_PLL0_FBH_OVRD (0x1c0 << 2)
102 #define CMN_DIAG_PLL0_FBL_OVRD (0x1c1 << 2)
103 #define CMN_DIAG_PLL0_OVRD (0x1c2 << 2)
104 #define CMN_DIAG_PLL0_V2I_TUNE (0x1c5 << 2)
105 #define CMN_DIAG_PLL0_CP_TUNE (0x1c6 << 2)
106 #define CMN_DIAG_PLL0_LF_PROG (0x1c7 << 2)
107 #define CMN_DIAG_PLL1_FBH_OVRD (0x1d0 << 2)
108 #define CMN_DIAG_PLL1_FBL_OVRD (0x1d1 << 2)
109 #define CMN_DIAG_PLL1_OVRD (0x1d2 << 2)
110 #define CMN_DIAG_PLL1_V2I_TUNE (0x1d5 << 2)
111 #define CMN_DIAG_PLL1_CP_TUNE (0x1d6 << 2)
112 #define CMN_DIAG_PLL1_LF_PROG (0x1d7 << 2)
113 #define CMN_DIAG_PLL1_PTATIS_TUNE1 (0x1d8 << 2)
114 #define CMN_DIAG_PLL1_PTATIS_TUNE2 (0x1d9 << 2)
115 #define CMN_DIAG_PLL1_INCLK_CTRL (0x1da << 2)
116 #define CMN_DIAG_HSCLK_SEL (0x1e0 << 2)
118 #define XCVR_PSM_RCTRL(n) ((0x4001 | ((n) << 9)) << 2)
119 #define XCVR_PSM_CAL_TMR(n) ((0x4002 | ((n) << 9)) << 2)
120 #define XCVR_PSM_A0IN_TMR(n) ((0x4003 | ((n) << 9)) << 2)
121 #define TX_TXCC_CAL_SCLR_MULT(n) ((0x4047 | ((n) << 9)) << 2)
122 #define TX_TXCC_CPOST_MULT_00(n) ((0x404c | ((n) << 9)) << 2)
123 #define TX_TXCC_CPOST_MULT_01(n) ((0x404d | ((n) << 9)) << 2)
124 #define TX_TXCC_CPOST_MULT_10(n) ((0x404e | ((n) << 9)) << 2)
125 #define TX_TXCC_CPOST_MULT_11(n) ((0x404f | ((n) << 9)) << 2)
126 #define TX_TXCC_MGNFS_MULT_000(n) ((0x4050 | ((n) << 9)) << 2)
127 #define TX_TXCC_MGNFS_MULT_001(n) ((0x4051 | ((n) << 9)) << 2)
128 #define TX_TXCC_MGNFS_MULT_010(n) ((0x4052 | ((n) << 9)) << 2)
129 #define TX_TXCC_MGNFS_MULT_011(n) ((0x4053 | ((n) << 9)) << 2)
130 #define TX_TXCC_MGNFS_MULT_100(n) ((0x4054 | ((n) << 9)) << 2)
131 #define TX_TXCC_MGNFS_MULT_101(n) ((0x4055 | ((n) << 9)) << 2)
132 #define TX_TXCC_MGNFS_MULT_110(n) ((0x4056 | ((n) << 9)) << 2)
133 #define TX_TXCC_MGNFS_MULT_111(n) ((0x4057 | ((n) << 9)) << 2)
134 #define TX_TXCC_MGNLS_MULT_000(n) ((0x4058 | ((n) << 9)) << 2)
135 #define TX_TXCC_MGNLS_MULT_001(n) ((0x4059 | ((n) << 9)) << 2)
136 #define TX_TXCC_MGNLS_MULT_010(n) ((0x405a | ((n) << 9)) << 2)
137 #define TX_TXCC_MGNLS_MULT_011(n) ((0x405b | ((n) << 9)) << 2)
138 #define TX_TXCC_MGNLS_MULT_100(n) ((0x405c | ((n) << 9)) << 2)
139 #define TX_TXCC_MGNLS_MULT_101(n) ((0x405d | ((n) << 9)) << 2)
140 #define TX_TXCC_MGNLS_MULT_110(n) ((0x405e | ((n) << 9)) << 2)
141 #define TX_TXCC_MGNLS_MULT_111(n) ((0x405f | ((n) << 9)) << 2)
143 #define XCVR_DIAG_PLLDRC_CTRL(n) ((0x40e0 | ((n) << 9)) << 2)
144 #define XCVR_DIAG_BIDI_CTRL(n) ((0x40e8 | ((n) << 9)) << 2)
145 #define XCVR_DIAG_LANE_FCM_EN_MGN(n) ((0x40f2 | ((n) << 9)) << 2)
146 #define TX_PSC_A0(n) ((0x4100 | ((n) << 9)) << 2)
147 #define TX_PSC_A1(n) ((0x4101 | ((n) << 9)) << 2)
148 #define TX_PSC_A2(n) ((0x4102 | ((n) << 9)) << 2)
149 #define TX_PSC_A3(n) ((0x4103 | ((n) << 9)) << 2)
150 #define TX_RCVDET_CTRL(n) ((0x4120 | ((n) << 9)) << 2)
151 #define TX_RCVDET_EN_TMR(n) ((0x4122 | ((n) << 9)) << 2)
152 #define TX_RCVDET_ST_TMR(n) ((0x4123 | ((n) << 9)) << 2)
153 #define TX_DIAG_TX_DRV(n) ((0x41e1 | ((n) << 9)) << 2)
154 #define TX_DIAG_BGREF_PREDRV_DELAY (0x41e7 << 2)
156 /* Use this for "n" in macros like "_MULT_XXX" to target the aux channel */
157 #define AUX_CH_LANE 8
159 #define TX_ANA_CTRL_REG_1 (0x5020 << 2)
161 #define TXDA_DP_AUX_EN BIT(15)
162 #define AUXDA_SE_EN BIT(14)
163 #define TXDA_CAL_LATCH_EN BIT(13)
164 #define AUXDA_POLARITY BIT(12)
165 #define TXDA_DRV_POWER_ISOLATION_EN BIT(11)
166 #define TXDA_DRV_POWER_EN_PH_2_N BIT(10)
167 #define TXDA_DRV_POWER_EN_PH_1_N BIT(9)
168 #define TXDA_BGREF_EN BIT(8)
169 #define TXDA_DRV_LDO_EN BIT(7)
170 #define TXDA_DECAP_EN_DEL BIT(6)
171 #define TXDA_DECAP_EN BIT(5)
172 #define TXDA_UPHY_SUPPLY_EN_DEL BIT(4)
173 #define TXDA_UPHY_SUPPLY_EN BIT(3)
174 #define TXDA_LOW_LEAKAGE_EN BIT(2)
175 #define TXDA_DRV_IDLE_LOWI_EN BIT(1)
176 #define TXDA_DRV_CMN_MODE_EN BIT(0)
178 #define TX_ANA_CTRL_REG_2 (0x5021 << 2)
180 #define AUXDA_DEBOUNCING_CLK BIT(15)
181 #define TXDA_LPBK_RECOVERED_CLK_EN BIT(14)
182 #define TXDA_LPBK_ISI_GEN_EN BIT(13)
183 #define TXDA_LPBK_SERIAL_EN BIT(12)
184 #define TXDA_LPBK_LINE_EN BIT(11)
185 #define TXDA_DRV_LDO_REDC_SINKIQ BIT(10)
186 #define XCVR_DECAP_EN_DEL BIT(9)
187 #define XCVR_DECAP_EN BIT(8)
188 #define TXDA_MPHY_ENABLE_HS_NT BIT(7)
189 #define TXDA_MPHY_SA_MODE BIT(6)
190 #define TXDA_DRV_LDO_RBYR_FB_EN BIT(5)
191 #define TXDA_DRV_RST_PULL_DOWN BIT(4)
192 #define TXDA_DRV_LDO_BG_FB_EN BIT(3)
193 #define TXDA_DRV_LDO_BG_REF_EN BIT(2)
194 #define TXDA_DRV_PREDRV_EN_DEL BIT(1)
195 #define TXDA_DRV_PREDRV_EN BIT(0)
197 #define TXDA_COEFF_CALC_CTRL (0x5022 << 2)
199 #define TX_HIGH_Z BIT(6)
200 #define TX_VMARGIN_OFFSET 3
201 #define TX_VMARGIN_MASK 0x7
202 #define LOW_POWER_SWING_EN BIT(2)
203 #define TX_FCM_DRV_MAIN_EN BIT(1)
204 #define TX_FCM_FULL_MARGIN BIT(0)
206 #define TX_DIG_CTRL_REG_2 (0x5024 << 2)
208 #define TX_HIGH_Z_TM_EN BIT(15)
209 #define TX_RESCAL_CODE_OFFSET 0
210 #define TX_RESCAL_CODE_MASK 0x3f
212 #define TXDA_CYA_AUXDA_CYA (0x5025 << 2)
213 #define TX_ANA_CTRL_REG_3 (0x5026 << 2)
214 #define TX_ANA_CTRL_REG_4 (0x5027 << 2)
215 #define TX_ANA_CTRL_REG_5 (0x5029 << 2)
217 #define RX_PSC_A0(n) ((0x8000 | ((n) << 9)) << 2)
218 #define RX_PSC_A1(n) ((0x8001 | ((n) << 9)) << 2)
219 #define RX_PSC_A2(n) ((0x8002 | ((n) << 9)) << 2)
220 #define RX_PSC_A3(n) ((0x8003 | ((n) << 9)) << 2)
221 #define RX_PSC_CAL(n) ((0x8006 | ((n) << 9)) << 2)
222 #define RX_PSC_RDY(n) ((0x8007 | ((n) << 9)) << 2)
223 #define RX_IQPI_ILL_CAL_OVRD (0x8023 << 2)
224 #define RX_EPI_ILL_CAL_OVRD (0x8033 << 2)
225 #define RX_SDCAL0_OVRD (0x8041 << 2)
226 #define RX_SDCAL1_OVRD (0x8049 << 2)
227 #define RX_SLC_INIT (0x806d << 2)
228 #define RX_SLC_RUN (0x806e << 2)
229 #define RX_CDRLF_CNFG2 (0x8081 << 2)
230 #define RX_SIGDET_HL_FILT_TMR(n) ((0x8090 | ((n) << 9)) << 2)
231 #define RX_SLC_IOP0_OVRD (0x8101 << 2)
232 #define RX_SLC_IOP1_OVRD (0x8105 << 2)
233 #define RX_SLC_QOP0_OVRD (0x8109 << 2)
234 #define RX_SLC_QOP1_OVRD (0x810d << 2)
235 #define RX_SLC_EOP0_OVRD (0x8111 << 2)
236 #define RX_SLC_EOP1_OVRD (0x8115 << 2)
237 #define RX_SLC_ION0_OVRD (0x8119 << 2)
238 #define RX_SLC_ION1_OVRD (0x811d << 2)
239 #define RX_SLC_QON0_OVRD (0x8121 << 2)
240 #define RX_SLC_QON1_OVRD (0x8125 << 2)
241 #define RX_SLC_EON0_OVRD (0x8129 << 2)
242 #define RX_SLC_EON1_OVRD (0x812d << 2)
243 #define RX_SLC_IEP0_OVRD (0x8131 << 2)
244 #define RX_SLC_IEP1_OVRD (0x8135 << 2)
245 #define RX_SLC_QEP0_OVRD (0x8139 << 2)
246 #define RX_SLC_QEP1_OVRD (0x813d << 2)
247 #define RX_SLC_EEP0_OVRD (0x8141 << 2)
248 #define RX_SLC_EEP1_OVRD (0x8145 << 2)
249 #define RX_SLC_IEN0_OVRD (0x8149 << 2)
250 #define RX_SLC_IEN1_OVRD (0x814d << 2)
251 #define RX_SLC_QEN0_OVRD (0x8151 << 2)
252 #define RX_SLC_QEN1_OVRD (0x8155 << 2)
253 #define RX_SLC_EEN0_OVRD (0x8159 << 2)
254 #define RX_SLC_EEN1_OVRD (0x815d << 2)
255 #define RX_REE_CTRL_DATA_MASK(n) ((0x81bb | ((n) << 9)) << 2)
256 #define RX_DIAG_SIGDET_TUNE(n) ((0x81dc | ((n) << 9)) << 2)
257 #define RX_DIAG_SC2C_DELAY (0x81e1 << 2)
259 #define PMA_LANE_CFG (0xc000 << 2)
260 #define PIPE_CMN_CTRL1 (0xc001 << 2)
261 #define PIPE_CMN_CTRL2 (0xc002 << 2)
262 #define PIPE_COM_LOCK_CFG1 (0xc003 << 2)
263 #define PIPE_COM_LOCK_CFG2 (0xc004 << 2)
264 #define PIPE_RCV_DET_INH (0xc005 << 2)
265 #define DP_MODE_CTL (0xc008 << 2)
266 #define DP_CLK_CTL (0xc009 << 2)
267 #define STS (0xc00F << 2)
268 #define PHY_ISO_CMN_CTRL (0xc010 << 2)
269 #define PHY_DP_TX_CTL (0xc408 << 2)
270 #define PMA_CMN_CTRL1 (0xc800 << 2)
271 #define PHY_PMA_ISO_CMN_CTRL (0xc810 << 2)
272 #define PHY_ISOLATION_CTRL (0xc81f << 2)
273 #define PHY_PMA_ISO_XCVR_CTRL(n) ((0xcc11 | ((n) << 6)) << 2)
274 #define PHY_PMA_ISO_LINK_MODE(n) ((0xcc12 | ((n) << 6)) << 2)
275 #define PHY_PMA_ISO_PWRST_CTRL(n) ((0xcc13 | ((n) << 6)) << 2)
276 #define PHY_PMA_ISO_TX_DATA_LO(n) ((0xcc14 | ((n) << 6)) << 2)
277 #define PHY_PMA_ISO_TX_DATA_HI(n) ((0xcc15 | ((n) << 6)) << 2)
278 #define PHY_PMA_ISO_RX_DATA_LO(n) ((0xcc16 | ((n) << 6)) << 2)
279 #define PHY_PMA_ISO_RX_DATA_HI(n) ((0xcc17 | ((n) << 6)) << 2)
280 #define TX_BIST_CTRL(n) ((0x4140 | ((n) << 9)) << 2)
281 #define TX_BIST_UDDWR(n) ((0x4141 | ((n) << 9)) << 2)
284 * Selects which PLL clock will be driven on the analog high speed
285 * clock 0: PLL 0 div 1
286 * clock 1: PLL 1 div 2
288 #define CLK_PLL_CONFIG 0X30
289 #define CLK_PLL_MASK 0x33
291 #define CMN_READY BIT(0)
293 #define DP_PLL_CLOCK_ENABLE BIT(2)
294 #define DP_PLL_ENABLE BIT(0)
295 #define DP_PLL_DATA_RATE_RBR ((2 << 12) | (4 << 8))
296 #define DP_PLL_DATA_RATE_HBR ((2 << 12) | (4 << 8))
297 #define DP_PLL_DATA_RATE_HBR2 ((1 << 12) | (2 << 8))
299 #define DP_MODE_A0 BIT(4)
300 #define DP_MODE_A2 BIT(6)
301 #define DP_MODE_ENTER_A0 0xc101
302 #define DP_MODE_ENTER_A2 0xc104
304 #define PHY_MODE_SET_TIMEOUT 100000
306 #define PIN_ASSIGN_C_E 0x51d9
307 #define PIN_ASSIGN_D_F 0x5100
309 #define MODE_DISCONNECT 0
310 #define MODE_UFP_USB BIT(0)
311 #define MODE_DFP_USB BIT(1)
312 #define MODE_DFP_DP BIT(2)
321 * struct rockchip_usb3phy_port_cfg: usb3-phy port configuration.
322 * @reg: the base address for usb3-phy config.
323 * @typec_conn_dir: the register of type-c connector direction.
324 * @usb3tousb2_en: the register of type-c force usb2 to usb2 enable.
325 * @external_psm: the register of type-c phy external psm clock.
326 * @pipe_status: the register of type-c phy pipe status.
327 * @usb3_host_disable: the register of type-c usb3 host disable.
328 * @usb3_host_port: the register of type-c usb3 host port.
329 * @uphy_dp_sel: the register of type-c phy DP select control.
331 struct rockchip_usb3phy_port_cfg {
333 struct usb3phy_reg typec_conn_dir;
334 struct usb3phy_reg usb3tousb2_en;
335 struct usb3phy_reg external_psm;
336 struct usb3phy_reg pipe_status;
337 struct usb3phy_reg usb3_host_disable;
338 struct usb3phy_reg usb3_host_port;
339 struct usb3phy_reg uphy_dp_sel;
342 struct rockchip_tcphy {
343 void __iomem *reg_base;
344 void __iomem *grf_base;
347 struct reset_ctl uphy_rst;
348 struct reset_ctl pipe_rst;
349 struct reset_ctl tcphy_rst;
350 const struct rockchip_usb3phy_port_cfg *port_cfgs;
359 static struct phy_reg usb3_pll_cfg[] = {
360 { 0xf0, CMN_PLL0_VCOCAL_INIT },
361 { 0x18, CMN_PLL0_VCOCAL_ITER },
362 { 0xd0, CMN_PLL0_INTDIV },
363 { 0x4a4a, CMN_PLL0_FRACDIV },
364 { 0x34, CMN_PLL0_HIGH_THR },
365 { 0x1ee, CMN_PLL0_SS_CTRL1 },
366 { 0x7f03, CMN_PLL0_SS_CTRL2 },
367 { 0x20, CMN_PLL0_DSM_DIAG },
368 { 0, CMN_DIAG_PLL0_OVRD },
369 { 0, CMN_DIAG_PLL0_FBH_OVRD },
370 { 0, CMN_DIAG_PLL0_FBL_OVRD },
371 { 0x7, CMN_DIAG_PLL0_V2I_TUNE },
372 { 0x45, CMN_DIAG_PLL0_CP_TUNE },
373 { 0x8, CMN_DIAG_PLL0_LF_PROG },
376 static inline int property_enable(struct rockchip_tcphy *priv,
377 const struct usb3phy_reg *reg, bool en)
379 u32 mask = 1 << reg->write_enable;
380 u32 val = en << reg->enable_bit;
382 return writel(val | mask, priv->grf_base + reg->offset);
385 static int rockchip_tcphy_get_mode(struct rockchip_tcphy *priv)
387 /* TODO: Add proper logic to find DP or USB3 mode */
388 return MODE_DFP_USB | MODE_UFP_USB;
391 static void rockchip_tcphy_cfg_24m(struct rockchip_tcphy *priv)
396 * cmn_ref_clk_sel = 3, select the 24Mhz for clk parent
397 * cmn_psm_clk_dig_div = 2, set the clk division to 2
399 writel(0x830, priv->reg_base + PMA_CMN_CTRL1);
400 for (i = 0; i < 4; i++) {
402 * The following PHY configuration assumes a 24 MHz reference
405 writel(0x90, priv->reg_base + XCVR_DIAG_LANE_FCM_EN_MGN(i));
406 writel(0x960, priv->reg_base + TX_RCVDET_EN_TMR(i));
407 writel(0x30, priv->reg_base + TX_RCVDET_ST_TMR(i));
410 rdata = readl(priv->reg_base + CMN_DIAG_HSCLK_SEL);
411 rdata &= ~CLK_PLL_MASK;
412 rdata |= CLK_PLL_CONFIG;
413 writel(rdata, priv->reg_base + CMN_DIAG_HSCLK_SEL);
416 static void rockchip_tcphy_cfg_usb3_pll(struct rockchip_tcphy *priv)
420 /* load the configuration of PLL0 */
421 for (i = 0; i < ARRAY_SIZE(usb3_pll_cfg); i++)
422 writel(usb3_pll_cfg[i].value,
423 priv->reg_base + usb3_pll_cfg[i].addr);
426 static void rockchip_tcphy_tx_usb3_cfg_lane(struct rockchip_tcphy *priv,
429 writel(0x7799, priv->reg_base + TX_PSC_A0(lane));
430 writel(0x7798, priv->reg_base + TX_PSC_A1(lane));
431 writel(0x5098, priv->reg_base + TX_PSC_A2(lane));
432 writel(0x5098, priv->reg_base + TX_PSC_A3(lane));
433 writel(0, priv->reg_base + TX_TXCC_MGNFS_MULT_000(lane));
434 writel(0xbf, priv->reg_base + XCVR_DIAG_BIDI_CTRL(lane));
437 static void rockchip_tcphy_rx_usb3_cfg_lane(struct rockchip_tcphy *priv,
440 writel(0xa6fd, priv->reg_base + RX_PSC_A0(lane));
441 writel(0xa6fd, priv->reg_base + RX_PSC_A1(lane));
442 writel(0xa410, priv->reg_base + RX_PSC_A2(lane));
443 writel(0x2410, priv->reg_base + RX_PSC_A3(lane));
444 writel(0x23ff, priv->reg_base + RX_PSC_CAL(lane));
445 writel(0x13, priv->reg_base + RX_SIGDET_HL_FILT_TMR(lane));
446 writel(0x03e7, priv->reg_base + RX_REE_CTRL_DATA_MASK(lane));
447 writel(0x1004, priv->reg_base + RX_DIAG_SIGDET_TUNE(lane));
448 writel(0x2010, priv->reg_base + RX_PSC_RDY(lane));
449 writel(0xfb, priv->reg_base + XCVR_DIAG_BIDI_CTRL(lane));
452 static int rockchip_tcphy_init(struct phy *phy, struct rockchip_tcphy *priv)
454 const struct rockchip_usb3phy_port_cfg *cfg = priv->port_cfgs;
458 ret = clk_enable(&priv->clk_core);
460 dev_err(phy->dev, "failed to enable core clk (ret=%d)\n", ret);
464 ret = clk_enable(&priv->clk_ref);
466 dev_err(phy->dev, "failed to enable ref clk (ret=%d)\n", ret);
470 ret = reset_deassert(&priv->tcphy_rst);
472 dev_err(phy->dev, "failed to deassert uphy-tcphy reset (ret=%d)\n",
477 property_enable(priv, &cfg->typec_conn_dir, 0);
479 rockchip_tcphy_cfg_24m(priv);
481 rockchip_tcphy_cfg_usb3_pll(priv);
483 rockchip_tcphy_tx_usb3_cfg_lane(priv, 0);
484 rockchip_tcphy_rx_usb3_cfg_lane(priv, 1);
486 ret = reset_deassert(&priv->uphy_rst);
488 dev_err(phy->dev, "failed to deassert uphy rst (ret=%d)\n",
493 ret = readl_poll_sleep_timeout(priv->reg_base + PMA_CMN_CTRL1,
494 val, val & CMN_READY, 10,
495 PHY_MODE_SET_TIMEOUT);
497 dev_err(phy->dev, "PMA Timeout!\n");
502 ret = reset_deassert(&priv->pipe_rst);
504 dev_err(phy->dev, "failed to deassert pipe rst (ret=%d)\n",
512 reset_assert(&priv->uphy_rst);
514 reset_assert(&priv->tcphy_rst);
516 clk_disable(&priv->clk_ref);
518 clk_disable(&priv->clk_core);
522 static void rockchip_tcphy_exit(struct rockchip_tcphy *priv)
524 reset_assert(&priv->tcphy_rst);
525 reset_assert(&priv->uphy_rst);
526 reset_assert(&priv->pipe_rst);
527 clk_disable(&priv->clk_core);
528 clk_disable(&priv->clk_ref);
531 static int tcphy_cfg_usb3_to_usb2_only(struct rockchip_tcphy *priv,
534 const struct rockchip_usb3phy_port_cfg *cfg = priv->port_cfgs;
536 property_enable(priv, &cfg->usb3tousb2_en, value);
537 property_enable(priv, &cfg->usb3_host_disable, value);
538 property_enable(priv, &cfg->usb3_host_port, !value);
543 static int rockchip_usb3_phy_power_on(struct phy *phy)
545 struct udevice *parent = dev_get_parent(phy->dev);
546 struct rockchip_tcphy *priv = dev_get_priv(parent);
547 const struct rockchip_usb3phy_port_cfg *cfg = priv->port_cfgs;
548 const struct usb3phy_reg *reg = &cfg->pipe_status;
549 int timeout, new_mode;
553 new_mode = rockchip_tcphy_get_mode(priv);
555 dev_err(phy->dev, "invalid mode %d\n", new_mode);
559 if (priv->mode == new_mode)
562 if (priv->mode == MODE_DISCONNECT) {
563 ret = rockchip_tcphy_init(phy, priv);
565 dev_err(phy->dev, "failed to init tcphy (ret=%d)\n", ret);
570 /* wait TCPHY for pipe ready */
571 for (timeout = 0; timeout < 100; timeout++) {
572 val = readl(priv->grf_base + reg->offset);
573 if (!(val & BIT(reg->enable_bit))) {
574 priv->mode |= new_mode & (MODE_DFP_USB | MODE_UFP_USB);
576 /* enable usb3 host */
577 tcphy_cfg_usb3_to_usb2_only(priv, false);
580 usleep_range(10, 20);
583 if (priv->mode == MODE_DISCONNECT)
584 rockchip_tcphy_exit(priv);
589 static int rockchip_usb3_phy_power_off(struct phy *phy)
591 struct udevice *parent = dev_get_parent(phy->dev);
592 struct rockchip_tcphy *priv = dev_get_priv(parent);
594 tcphy_cfg_usb3_to_usb2_only(priv, false);
596 if (priv->mode == MODE_DISCONNECT)
599 priv->mode &= ~(MODE_UFP_USB | MODE_DFP_USB);
600 if (priv->mode == MODE_DISCONNECT)
601 rockchip_tcphy_exit(priv);
607 static struct phy_ops rockchip_tcphy_usb3_ops = {
608 .power_on = rockchip_usb3_phy_power_on,
609 .power_off = rockchip_usb3_phy_power_off,
612 static void rockchip_tcphy_pre_init(struct udevice *dev)
614 struct rockchip_tcphy *priv = dev_get_priv(dev);
615 const struct rockchip_usb3phy_port_cfg *cfg = priv->port_cfgs;
617 reset_assert(&priv->tcphy_rst);
618 reset_assert(&priv->uphy_rst);
619 reset_assert(&priv->pipe_rst);
621 /* select external psm clock */
622 property_enable(priv, &cfg->external_psm, 1);
623 property_enable(priv, &cfg->usb3tousb2_en, 0);
625 priv->mode = MODE_DISCONNECT;
628 static int rockchip_tcphy_parse_dt(struct udevice *dev)
630 struct rockchip_tcphy *priv = dev_get_priv(dev);
633 priv->grf_base = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
634 if (IS_ERR(priv->grf_base))
635 return PTR_ERR(priv->grf_base);
637 ret = clk_get_by_name(dev, "tcpdcore", &priv->clk_core);
639 dev_err(dev, "failed to get tcpdcore clk (ret=%d)\n", ret);
643 ret = clk_get_by_name(dev, "tcpdphy-ref", &priv->clk_ref);
645 dev_err(dev, "failed to get tcpdphy-ref clk (ret=%d)\n", ret);
649 ret = reset_get_by_name(dev, "uphy", &priv->uphy_rst);
651 dev_err(dev, "failed to get uphy reset (ret=%d)\n", ret);
655 ret = reset_get_by_name(dev, "uphy-pipe", &priv->pipe_rst);
657 dev_err(dev, "failed to get uphy-pipe reset (ret=%d)\n", ret);
661 ret = reset_get_by_name(dev, "uphy-tcphy", &priv->tcphy_rst);
663 dev_err(dev, "failed to get uphy-tcphy reset (ret=%d)\n", ret);
670 static int rockchip_tcphy_probe(struct udevice *dev)
672 struct rockchip_tcphy *priv = dev_get_priv(dev);
673 const struct rockchip_usb3phy_port_cfg *phy_cfgs;
677 priv->reg_base = dev_read_addr_ptr(dev);
681 ret = dev_read_u32_index(dev, "reg", 1, ®);
683 dev_err(dev, "failed to read reg property (ret = %d)\n", ret);
687 phy_cfgs = (const struct rockchip_usb3phy_port_cfg *)
688 dev_get_driver_data(dev);
692 /* find out a proper config which can be matched with dt. */
694 while (phy_cfgs[index].reg) {
695 if (phy_cfgs[index].reg == reg) {
696 priv->port_cfgs = &phy_cfgs[index];
703 if (!priv->port_cfgs) {
704 dev_err(dev, "failed find proper phy-cfg\n");
708 ret = rockchip_tcphy_parse_dt(dev);
712 rockchip_tcphy_pre_init(dev);
717 static int rockchip_tcphy_bind(struct udevice *dev)
719 struct udevice *tcphy_dev;
724 dev_for_each_subnode(node, dev) {
725 if (!ofnode_valid(node)) {
726 dev_info(dev, "subnode %s not found\n", dev->name);
730 name = ofnode_get_name(node);
731 dev_dbg(dev, "subnode %s\n", name);
733 if (!strcasecmp(name, "dp-port")) {
734 dev_dbg(dev, "Warning: dp-port not supported yet!\n");
736 } else if (!strcasecmp(name, "usb3-port")) {
737 ret = device_bind_driver_to_node(dev,
738 "rockchip_tcphy_usb3_port",
739 name, node, &tcphy_dev);
742 "'%s' cannot bind 'rockchip_tcphy_usb3_port'\n",
752 static const struct rockchip_usb3phy_port_cfg rk3399_typec_phy_cfgs[] = {
755 .typec_conn_dir = { 0xe580, 0, 16 },
756 .usb3tousb2_en = { 0xe580, 3, 19 },
757 .external_psm = { 0xe588, 14, 30 },
758 .pipe_status = { 0xe5c0, 0, 0 },
759 .usb3_host_disable = { 0x2434, 0, 16 },
760 .usb3_host_port = { 0x2434, 12, 28 },
761 .uphy_dp_sel = { 0x6268, 19, 19 },
765 .typec_conn_dir = { 0xe58c, 0, 16 },
766 .usb3tousb2_en = { 0xe58c, 3, 19 },
767 .external_psm = { 0xe594, 14, 30 },
768 .pipe_status = { 0xe5c0, 16, 16 },
769 .usb3_host_disable = { 0x2444, 0, 16 },
770 .usb3_host_port = { 0x2444, 12, 28 },
771 .uphy_dp_sel = { 0x6268, 3, 19 },
776 static const struct udevice_id rockchip_typec_phy_ids[] = {
778 .compatible = "rockchip,rk3399-typec-phy",
779 .data = (ulong)&rk3399_typec_phy_cfgs,
784 U_BOOT_DRIVER(rockchip_tcphy_usb3_port) = {
785 .name = "rockchip_tcphy_usb3_port",
787 .ops = &rockchip_tcphy_usb3_ops,
790 U_BOOT_DRIVER(rockchip_typec_phy) = {
791 .name = "rockchip_typec_phy",
793 .of_match = rockchip_typec_phy_ids,
794 .probe = rockchip_tcphy_probe,
795 .bind = rockchip_tcphy_bind,
796 .priv_auto = sizeof(struct rockchip_tcphy),