drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /**
   3  * dwmac-rk.c - Rockchip RK3288 DWMAC specific glue layer
   4  *
   5  * Copyright (C) 2014 Chen-Zhi (Roger Chen)
   6  *
   7  * Chen-Zhi (Roger Chen)  <roger.chen@rock-chips.com>
   8  */
   9
  10 #include <linux/stmmac.h>
  11 #include <linux/bitops.h>
  12 #include <linux/clk.h>
  13 #include <linux/phy.h>
  14 #include <linux/of_net.h>
  15 #include <linux/gpio.h>
  16 #include <linux/module.h>
  17 #include <linux/of_gpio.h>
  18 #include <linux/of_device.h>
  19 #include <linux/platform_device.h>
  20 #include <linux/regulator/consumer.h>
  21 #include <linux/delay.h>
  22 #include <linux/mfd/syscon.h>
  23 #include <linux/regmap.h>
  24 #include <linux/pm_runtime.h>
  25
  26 #include "stmmac_platform.h"
  27
  28 struct rk_priv_data;
  29 struct rk_gmac_ops {
  30         void (*set_to_rgmii)(struct rk_priv_data *bsp_priv,
  31                              int tx_delay, int rx_delay);
  32         void (*set_to_rmii)(struct rk_priv_data *bsp_priv);
  33         void (*set_rgmii_speed)(struct rk_priv_data *bsp_priv, int speed);
  34         void (*set_rmii_speed)(struct rk_priv_data *bsp_priv, int speed);
  35         void (*integrated_phy_powerup)(struct rk_priv_data *bsp_priv);
  36 };
  37
  38 struct rk_priv_data {
  39         struct platform_device *pdev;
  40         int phy_iface;
  41         struct regulator *regulator;
  42         bool suspended;
  43         const struct rk_gmac_ops *ops;
  44
  45         bool clk_enabled;
  46         bool clock_input;
  47         bool integrated_phy;
  48
  49         struct clk *clk_mac;
  50         struct clk *gmac_clkin;
  51         struct clk *mac_clk_rx;
  52         struct clk *mac_clk_tx;
  53         struct clk *clk_mac_ref;
  54         struct clk *clk_mac_refout;
  55         struct clk *clk_mac_speed;
  56         struct clk *aclk_mac;
  57         struct clk *pclk_mac;
  58         struct clk *clk_phy;
  59
  60         struct reset_control *phy_reset;
  61
  62         int tx_delay;
  63         int rx_delay;
  64
  65         struct regmap *grf;
  66 };
  67
  68 #define HIWORD_UPDATE(val, mask, shift) \
  69                 ((val) << (shift) | (mask) << ((shift) + 16))
  70
  71 #define GRF_BIT(nr)     (BIT(nr) | BIT(nr+16))
  72 #define GRF_CLR_BIT(nr) (BIT(nr+16))
  73
  74 #define DELAY_ENABLE(soc, tx, rx) \
  75         (((tx) ? soc##_GMAC_TXCLK_DLY_ENABLE : soc##_GMAC_TXCLK_DLY_DISABLE) | \
  76          ((rx) ? soc##_GMAC_RXCLK_DLY_ENABLE : soc##_GMAC_RXCLK_DLY_DISABLE))
  77
  78 #define PX30_GRF_GMAC_CON1              0x0904
  79
  80 /* PX30_GRF_GMAC_CON1 */
  81 #define PX30_GMAC_PHY_INTF_SEL_RMII     (GRF_CLR_BIT(4) | GRF_CLR_BIT(5) | \
  82                                          GRF_BIT(6))
  83 #define PX30_GMAC_SPEED_10M             GRF_CLR_BIT(2)
  84 #define PX30_GMAC_SPEED_100M            GRF_BIT(2)
  85
  86 static void px30_set_to_rmii(struct rk_priv_data *bsp_priv)
  87 {
  88         struct device *dev = &bsp_priv->pdev->dev;
  89
  90         if (IS_ERR(bsp_priv->grf)) {
  91                 dev_err(dev, "%s: Missing rockchip,grf property\n", __func__);
  92                 return;
  93         }
  94
  95         regmap_write(bsp_priv->grf, PX30_GRF_GMAC_CON1,
  96                      PX30_GMAC_PHY_INTF_SEL_RMII);
  97 }
  98
  99 static void px30_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed)
 100 {
 101         struct device *dev = &bsp_priv->pdev->dev;
 102         int ret;
 103
 104         if (IS_ERR(bsp_priv->clk_mac_speed)) {
 105                 dev_err(dev, "%s: Missing clk_mac_speed clock\n", __func__);
 106                 return;
 107         }
 108
 109         if (speed == 10) {
 110                 regmap_write(bsp_priv->grf, PX30_GRF_GMAC_CON1,
 111                              PX30_GMAC_SPEED_10M);
 112
 113                 ret = clk_set_rate(bsp_priv->clk_mac_speed, 2500000);
 114                 if (ret)
 115                         dev_err(dev, "%s: set clk_mac_speed rate 2500000 failed: %d\n",
 116                                 __func__, ret);
 117         } else if (speed == 100) {
 118                 regmap_write(bsp_priv->grf, PX30_GRF_GMAC_CON1,
 119                              PX30_GMAC_SPEED_100M);
 120
 121                 ret = clk_set_rate(bsp_priv->clk_mac_speed, 25000000);
 122                 if (ret)
 123                         dev_err(dev, "%s: set clk_mac_speed rate 25000000 failed: %d\n",
 124                                 __func__, ret);
 125
 126         } else {
 127                 dev_err(dev, "unknown speed value for RMII! speed=%d", speed);
 128         }
 129 }
 130
 131 static const struct rk_gmac_ops px30_ops = {
 132         .set_to_rmii = px30_set_to_rmii,
 133         .set_rmii_speed = px30_set_rmii_speed,
 134 };
 135
 136 #define RK3128_GRF_MAC_CON0     0x0168
 137 #define RK3128_GRF_MAC_CON1     0x016c
 138
 139 /* RK3128_GRF_MAC_CON0 */
 140 #define RK3128_GMAC_TXCLK_DLY_ENABLE   GRF_BIT(14)
 141 #define RK3128_GMAC_TXCLK_DLY_DISABLE  GRF_CLR_BIT(14)
 142 #define RK3128_GMAC_RXCLK_DLY_ENABLE   GRF_BIT(15)
 143 #define RK3128_GMAC_RXCLK_DLY_DISABLE  GRF_CLR_BIT(15)
 144 #define RK3128_GMAC_CLK_RX_DL_CFG(val) HIWORD_UPDATE(val, 0x7F, 7)
 145 #define RK3128_GMAC_CLK_TX_DL_CFG(val) HIWORD_UPDATE(val, 0x7F, 0)
 146
 147 /* RK3128_GRF_MAC_CON1 */
 148 #define RK3128_GMAC_PHY_INTF_SEL_RGMII  \
 149                 (GRF_BIT(6) | GRF_CLR_BIT(7) | GRF_CLR_BIT(8))
 150 #define RK3128_GMAC_PHY_INTF_SEL_RMII   \
 151                 (GRF_CLR_BIT(6) | GRF_CLR_BIT(7) | GRF_BIT(8))
 152 #define RK3128_GMAC_FLOW_CTRL          GRF_BIT(9)
 153 #define RK3128_GMAC_FLOW_CTRL_CLR      GRF_CLR_BIT(9)
 154 #define RK3128_GMAC_SPEED_10M          GRF_CLR_BIT(10)
 155 #define RK3128_GMAC_SPEED_100M         GRF_BIT(10)
 156 #define RK3128_GMAC_RMII_CLK_25M       GRF_BIT(11)
 157 #define RK3128_GMAC_RMII_CLK_2_5M      GRF_CLR_BIT(11)
 158 #define RK3128_GMAC_CLK_125M           (GRF_CLR_BIT(12) | GRF_CLR_BIT(13))
 159 #define RK3128_GMAC_CLK_25M            (GRF_BIT(12) | GRF_BIT(13))
 160 #define RK3128_GMAC_CLK_2_5M           (GRF_CLR_BIT(12) | GRF_BIT(13))
 161 #define RK3128_GMAC_RMII_MODE          GRF_BIT(14)
 162 #define RK3128_GMAC_RMII_MODE_CLR      GRF_CLR_BIT(14)
 163
 164 static void rk3128_set_to_rgmii(struct rk_priv_data *bsp_priv,
 165                                 int tx_delay, int rx_delay)
 166 {
 167         struct device *dev = &bsp_priv->pdev->dev;
 168
 169         if (IS_ERR(bsp_priv->grf)) {
 170                 dev_err(dev, "Missing rockchip,grf property\n");
 171                 return;
 172         }
 173
 174         regmap_write(bsp_priv->grf, RK3128_GRF_MAC_CON1,
 175                      RK3128_GMAC_PHY_INTF_SEL_RGMII |
 176                      RK3128_GMAC_RMII_MODE_CLR);
 177         regmap_write(bsp_priv->grf, RK3128_GRF_MAC_CON0,
 178                      DELAY_ENABLE(RK3128, tx_delay, rx_delay) |
 179                      RK3128_GMAC_CLK_RX_DL_CFG(rx_delay) |
 180                      RK3128_GMAC_CLK_TX_DL_CFG(tx_delay));
 181 }
 182
 183 static void rk3128_set_to_rmii(struct rk_priv_data *bsp_priv)
 184 {
 185         struct device *dev = &bsp_priv->pdev->dev;
 186
 187         if (IS_ERR(bsp_priv->grf)) {
 188                 dev_err(dev, "Missing rockchip,grf property\n");
 189                 return;
 190         }
 191
 192         regmap_write(bsp_priv->grf, RK3128_GRF_MAC_CON1,
 193                      RK3128_GMAC_PHY_INTF_SEL_RMII | RK3128_GMAC_RMII_MODE);
 194 }
 195
 196 static void rk3128_set_rgmii_speed(struct rk_priv_data *bsp_priv, int speed)
 197 {
 198         struct device *dev = &bsp_priv->pdev->dev;
 199
 200         if (IS_ERR(bsp_priv->grf)) {
 201                 dev_err(dev, "Missing rockchip,grf property\n");
 202                 return;
 203         }
 204
 205         if (speed == 10)
 206                 regmap_write(bsp_priv->grf, RK3128_GRF_MAC_CON1,
 207                              RK3128_GMAC_CLK_2_5M);
 208         else if (speed == 100)
 209                 regmap_write(bsp_priv->grf, RK3128_GRF_MAC_CON1,
 210                              RK3128_GMAC_CLK_25M);
 211         else if (speed == 1000)
 212                 regmap_write(bsp_priv->grf, RK3128_GRF_MAC_CON1,
 213                              RK3128_GMAC_CLK_125M);
 214         else
 215                 dev_err(dev, "unknown speed value for RGMII! speed=%d", speed);
 216 }
 217
 218 static void rk3128_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed)
 219 {
 220         struct device *dev = &bsp_priv->pdev->dev;
 221
 222         if (IS_ERR(bsp_priv->grf)) {
 223                 dev_err(dev, "Missing rockchip,grf property\n");
 224                 return;
 225         }
 226
 227         if (speed == 10) {
 228                 regmap_write(bsp_priv->grf, RK3128_GRF_MAC_CON1,
 229                              RK3128_GMAC_RMII_CLK_2_5M |
 230                              RK3128_GMAC_SPEED_10M);
 231         } else if (speed == 100) {
 232                 regmap_write(bsp_priv->grf, RK3128_GRF_MAC_CON1,
 233                              RK3128_GMAC_RMII_CLK_25M |
 234                              RK3128_GMAC_SPEED_100M);
 235         } else {
 236                 dev_err(dev, "unknown speed value for RMII! speed=%d", speed);
 237         }
 238 }
 239
 240 static const struct rk_gmac_ops rk3128_ops = {
 241         .set_to_rgmii = rk3128_set_to_rgmii,
 242         .set_to_rmii = rk3128_set_to_rmii,
 243         .set_rgmii_speed = rk3128_set_rgmii_speed,
 244         .set_rmii_speed = rk3128_set_rmii_speed,
 245 };
 246
 247 #define RK3228_GRF_MAC_CON0     0x0900
 248 #define RK3228_GRF_MAC_CON1     0x0904
 249
 250 #define RK3228_GRF_CON_MUX      0x50
 251
 252 /* RK3228_GRF_MAC_CON0 */
 253 #define RK3228_GMAC_CLK_RX_DL_CFG(val)  HIWORD_UPDATE(val, 0x7F, 7)
 254 #define RK3228_GMAC_CLK_TX_DL_CFG(val)  HIWORD_UPDATE(val, 0x7F, 0)
 255
 256 /* RK3228_GRF_MAC_CON1 */
 257 #define RK3228_GMAC_PHY_INTF_SEL_RGMII  \
 258                 (GRF_BIT(4) | GRF_CLR_BIT(5) | GRF_CLR_BIT(6))
 259 #define RK3228_GMAC_PHY_INTF_SEL_RMII   \
 260                 (GRF_CLR_BIT(4) | GRF_CLR_BIT(5) | GRF_BIT(6))
 261 #define RK3228_GMAC_FLOW_CTRL           GRF_BIT(3)
 262 #define RK3228_GMAC_FLOW_CTRL_CLR       GRF_CLR_BIT(3)
 263 #define RK3228_GMAC_SPEED_10M           GRF_CLR_BIT(2)
 264 #define RK3228_GMAC_SPEED_100M          GRF_BIT(2)
 265 #define RK3228_GMAC_RMII_CLK_25M        GRF_BIT(7)
 266 #define RK3228_GMAC_RMII_CLK_2_5M       GRF_CLR_BIT(7)
 267 #define RK3228_GMAC_CLK_125M            (GRF_CLR_BIT(8) | GRF_CLR_BIT(9))
 268 #define RK3228_GMAC_CLK_25M             (GRF_BIT(8) | GRF_BIT(9))
 269 #define RK3228_GMAC_CLK_2_5M            (GRF_CLR_BIT(8) | GRF_BIT(9))
 270 #define RK3228_GMAC_RMII_MODE           GRF_BIT(10)
 271 #define RK3228_GMAC_RMII_MODE_CLR       GRF_CLR_BIT(10)
 272 #define RK3228_GMAC_TXCLK_DLY_ENABLE    GRF_BIT(0)
 273 #define RK3228_GMAC_TXCLK_DLY_DISABLE   GRF_CLR_BIT(0)
 274 #define RK3228_GMAC_RXCLK_DLY_ENABLE    GRF_BIT(1)
 275 #define RK3228_GMAC_RXCLK_DLY_DISABLE   GRF_CLR_BIT(1)
 276
 277 /* RK3228_GRF_COM_MUX */
 278 #define RK3228_GRF_CON_MUX_GMAC_INTEGRATED_PHY  GRF_BIT(15)
 279
 280 static void rk3228_set_to_rgmii(struct rk_priv_data *bsp_priv,
 281                                 int tx_delay, int rx_delay)
 282 {
 283         struct device *dev = &bsp_priv->pdev->dev;
 284
 285         if (IS_ERR(bsp_priv->grf)) {
 286                 dev_err(dev, "Missing rockchip,grf property\n");
 287                 return;
 288         }
 289
 290         regmap_write(bsp_priv->grf, RK3228_GRF_MAC_CON1,
 291                      RK3228_GMAC_PHY_INTF_SEL_RGMII |
 292                      RK3228_GMAC_RMII_MODE_CLR |
 293                      DELAY_ENABLE(RK3228, tx_delay, rx_delay));
 294
 295         regmap_write(bsp_priv->grf, RK3228_GRF_MAC_CON0,
 296                      RK3228_GMAC_CLK_RX_DL_CFG(rx_delay) |
 297                      RK3228_GMAC_CLK_TX_DL_CFG(tx_delay));
 298 }
 299
 300 static void rk3228_set_to_rmii(struct rk_priv_data *bsp_priv)
 301 {
 302         struct device *dev = &bsp_priv->pdev->dev;
 303
 304         if (IS_ERR(bsp_priv->grf)) {
 305                 dev_err(dev, "Missing rockchip,grf property\n");
 306                 return;
 307         }
 308
 309         regmap_write(bsp_priv->grf, RK3228_GRF_MAC_CON1,
 310                      RK3228_GMAC_PHY_INTF_SEL_RMII |
 311                      RK3228_GMAC_RMII_MODE);
 312
 313         /* set MAC to RMII mode */
 314         regmap_write(bsp_priv->grf, RK3228_GRF_MAC_CON1, GRF_BIT(11));
 315 }
 316
 317 static void rk3228_set_rgmii_speed(struct rk_priv_data *bsp_priv, int speed)
 318 {
 319         struct device *dev = &bsp_priv->pdev->dev;
 320
 321         if (IS_ERR(bsp_priv->grf)) {
 322                 dev_err(dev, "Missing rockchip,grf property\n");
 323                 return;
 324         }
 325
 326         if (speed == 10)
 327                 regmap_write(bsp_priv->grf, RK3228_GRF_MAC_CON1,
 328                              RK3228_GMAC_CLK_2_5M);
 329         else if (speed == 100)
 330                 regmap_write(bsp_priv->grf, RK3228_GRF_MAC_CON1,
 331                              RK3228_GMAC_CLK_25M);
 332         else if (speed == 1000)
 333                 regmap_write(bsp_priv->grf, RK3228_GRF_MAC_CON1,
 334                              RK3228_GMAC_CLK_125M);
 335         else
 336                 dev_err(dev, "unknown speed value for RGMII! speed=%d", speed);
 337 }
 338
 339 static void rk3228_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed)
 340 {
 341         struct device *dev = &bsp_priv->pdev->dev;
 342
 343         if (IS_ERR(bsp_priv->grf)) {
 344                 dev_err(dev, "Missing rockchip,grf property\n");
 345                 return;
 346         }
 347
 348         if (speed == 10)
 349                 regmap_write(bsp_priv->grf, RK3228_GRF_MAC_CON1,
 350                              RK3228_GMAC_RMII_CLK_2_5M |
 351                              RK3228_GMAC_SPEED_10M);
 352         else if (speed == 100)
 353                 regmap_write(bsp_priv->grf, RK3228_GRF_MAC_CON1,
 354                              RK3228_GMAC_RMII_CLK_25M |
 355                              RK3228_GMAC_SPEED_100M);
 356         else
 357                 dev_err(dev, "unknown speed value for RMII! speed=%d", speed);
 358 }
 359
 360 static void rk3228_integrated_phy_powerup(struct rk_priv_data *priv)
 361 {
 362         regmap_write(priv->grf, RK3228_GRF_CON_MUX,
 363                      RK3228_GRF_CON_MUX_GMAC_INTEGRATED_PHY);
 364 }
 365
 366 static const struct rk_gmac_ops rk3228_ops = {
 367         .set_to_rgmii = rk3228_set_to_rgmii,
 368         .set_to_rmii = rk3228_set_to_rmii,
 369         .set_rgmii_speed = rk3228_set_rgmii_speed,
 370         .set_rmii_speed = rk3228_set_rmii_speed,
 371         .integrated_phy_powerup =  rk3228_integrated_phy_powerup,
 372 };
 373
 374 #define RK3288_GRF_SOC_CON1     0x0248
 375 #define RK3288_GRF_SOC_CON3     0x0250
 376
 377 /*RK3288_GRF_SOC_CON1*/
 378 #define RK3288_GMAC_PHY_INTF_SEL_RGMII  (GRF_BIT(6) | GRF_CLR_BIT(7) | \
 379                                          GRF_CLR_BIT(8))
 380 #define RK3288_GMAC_PHY_INTF_SEL_RMII   (GRF_CLR_BIT(6) | GRF_CLR_BIT(7) | \
 381                                          GRF_BIT(8))
 382 #define RK3288_GMAC_FLOW_CTRL           GRF_BIT(9)
 383 #define RK3288_GMAC_FLOW_CTRL_CLR       GRF_CLR_BIT(9)
 384 #define RK3288_GMAC_SPEED_10M           GRF_CLR_BIT(10)
 385 #define RK3288_GMAC_SPEED_100M          GRF_BIT(10)
 386 #define RK3288_GMAC_RMII_CLK_25M        GRF_BIT(11)
 387 #define RK3288_GMAC_RMII_CLK_2_5M       GRF_CLR_BIT(11)
 388 #define RK3288_GMAC_CLK_125M            (GRF_CLR_BIT(12) | GRF_CLR_BIT(13))
 389 #define RK3288_GMAC_CLK_25M             (GRF_BIT(12) | GRF_BIT(13))
 390 #define RK3288_GMAC_CLK_2_5M            (GRF_CLR_BIT(12) | GRF_BIT(13))
 391 #define RK3288_GMAC_RMII_MODE           GRF_BIT(14)
 392 #define RK3288_GMAC_RMII_MODE_CLR       GRF_CLR_BIT(14)
 393
 394 /*RK3288_GRF_SOC_CON3*/
 395 #define RK3288_GMAC_TXCLK_DLY_ENABLE    GRF_BIT(14)
 396 #define RK3288_GMAC_TXCLK_DLY_DISABLE   GRF_CLR_BIT(14)
 397 #define RK3288_GMAC_RXCLK_DLY_ENABLE    GRF_BIT(15)
 398 #define RK3288_GMAC_RXCLK_DLY_DISABLE   GRF_CLR_BIT(15)
 399 #define RK3288_GMAC_CLK_RX_DL_CFG(val)  HIWORD_UPDATE(val, 0x7F, 7)
 400 #define RK3288_GMAC_CLK_TX_DL_CFG(val)  HIWORD_UPDATE(val, 0x7F, 0)
 401
 402 static void rk3288_set_to_rgmii(struct rk_priv_data *bsp_priv,
 403                                 int tx_delay, int rx_delay)
 404 {
 405         struct device *dev = &bsp_priv->pdev->dev;
 406
 407         if (IS_ERR(bsp_priv->grf)) {
 408                 dev_err(dev, "Missing rockchip,grf property\n");
 409                 return;
 410         }
 411
 412         regmap_write(bsp_priv->grf, RK3288_GRF_SOC_CON1,
 413                      RK3288_GMAC_PHY_INTF_SEL_RGMII |
 414                      RK3288_GMAC_RMII_MODE_CLR);
 415         regmap_write(bsp_priv->grf, RK3288_GRF_SOC_CON3,
 416                      DELAY_ENABLE(RK3288, tx_delay, rx_delay) |
 417                      RK3288_GMAC_CLK_RX_DL_CFG(rx_delay) |
 418                      RK3288_GMAC_CLK_TX_DL_CFG(tx_delay));
 419 }
 420
 421 static void rk3288_set_to_rmii(struct rk_priv_data *bsp_priv)
 422 {
 423         struct device *dev = &bsp_priv->pdev->dev;
 424
 425         if (IS_ERR(bsp_priv->grf)) {
 426                 dev_err(dev, "Missing rockchip,grf property\n");
 427                 return;
 428         }
 429
 430         regmap_write(bsp_priv->grf, RK3288_GRF_SOC_CON1,
 431                      RK3288_GMAC_PHY_INTF_SEL_RMII | RK3288_GMAC_RMII_MODE);
 432 }
 433
 434 static void rk3288_set_rgmii_speed(struct rk_priv_data *bsp_priv, int speed)
 435 {
 436         struct device *dev = &bsp_priv->pdev->dev;
 437
 438         if (IS_ERR(bsp_priv->grf)) {
 439                 dev_err(dev, "Missing rockchip,grf property\n");
 440                 return;
 441         }
 442
 443         if (speed == 10)
 444                 regmap_write(bsp_priv->grf, RK3288_GRF_SOC_CON1,
 445                              RK3288_GMAC_CLK_2_5M);
 446         else if (speed == 100)
 447                 regmap_write(bsp_priv->grf, RK3288_GRF_SOC_CON1,
 448                              RK3288_GMAC_CLK_25M);
 449         else if (speed == 1000)
 450                 regmap_write(bsp_priv->grf, RK3288_GRF_SOC_CON1,
 451                              RK3288_GMAC_CLK_125M);
 452         else
 453                 dev_err(dev, "unknown speed value for RGMII! speed=%d", speed);
 454 }
 455
 456 static void rk3288_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed)
 457 {
 458         struct device *dev = &bsp_priv->pdev->dev;
 459
 460         if (IS_ERR(bsp_priv->grf)) {
 461                 dev_err(dev, "Missing rockchip,grf property\n");
 462                 return;
 463         }
 464
 465         if (speed == 10) {
 466                 regmap_write(bsp_priv->grf, RK3288_GRF_SOC_CON1,
 467                              RK3288_GMAC_RMII_CLK_2_5M |
 468                              RK3288_GMAC_SPEED_10M);
 469         } else if (speed == 100) {
 470                 regmap_write(bsp_priv->grf, RK3288_GRF_SOC_CON1,
 471                              RK3288_GMAC_RMII_CLK_25M |
 472                              RK3288_GMAC_SPEED_100M);
 473         } else {
 474                 dev_err(dev, "unknown speed value for RMII! speed=%d", speed);
 475         }
 476 }
 477
 478 static const struct rk_gmac_ops rk3288_ops = {
 479         .set_to_rgmii = rk3288_set_to_rgmii,
 480         .set_to_rmii = rk3288_set_to_rmii,
 481         .set_rgmii_speed = rk3288_set_rgmii_speed,
 482         .set_rmii_speed = rk3288_set_rmii_speed,
 483 };
 484
 485 #define RK3328_GRF_MAC_CON0     0x0900
 486 #define RK3328_GRF_MAC_CON1     0x0904
 487 #define RK3328_GRF_MAC_CON2     0x0908
 488 #define RK3328_GRF_MACPHY_CON1  0xb04
 489
 490 /* RK3328_GRF_MAC_CON0 */
 491 #define RK3328_GMAC_CLK_RX_DL_CFG(val)  HIWORD_UPDATE(val, 0x7F, 7)
 492 #define RK3328_GMAC_CLK_TX_DL_CFG(val)  HIWORD_UPDATE(val, 0x7F, 0)
 493
 494 /* RK3328_GRF_MAC_CON1 */
 495 #define RK3328_GMAC_PHY_INTF_SEL_RGMII  \
 496                 (GRF_BIT(4) | GRF_CLR_BIT(5) | GRF_CLR_BIT(6))
 497 #define RK3328_GMAC_PHY_INTF_SEL_RMII   \
 498                 (GRF_CLR_BIT(4) | GRF_CLR_BIT(5) | GRF_BIT(6))
 499 #define RK3328_GMAC_FLOW_CTRL           GRF_BIT(3)
 500 #define RK3328_GMAC_FLOW_CTRL_CLR       GRF_CLR_BIT(3)
 501 #define RK3328_GMAC_SPEED_10M           GRF_CLR_BIT(2)
 502 #define RK3328_GMAC_SPEED_100M          GRF_BIT(2)
 503 #define RK3328_GMAC_RMII_CLK_25M        GRF_BIT(7)
 504 #define RK3328_GMAC_RMII_CLK_2_5M       GRF_CLR_BIT(7)
 505 #define RK3328_GMAC_CLK_125M            (GRF_CLR_BIT(11) | GRF_CLR_BIT(12))
 506 #define RK3328_GMAC_CLK_25M             (GRF_BIT(11) | GRF_BIT(12))
 507 #define RK3328_GMAC_CLK_2_5M            (GRF_CLR_BIT(11) | GRF_BIT(12))
 508 #define RK3328_GMAC_RMII_MODE           GRF_BIT(9)
 509 #define RK3328_GMAC_RMII_MODE_CLR       GRF_CLR_BIT(9)
 510 #define RK3328_GMAC_TXCLK_DLY_ENABLE    GRF_BIT(0)
 511 #define RK3328_GMAC_TXCLK_DLY_DISABLE   GRF_CLR_BIT(0)
 512 #define RK3328_GMAC_RXCLK_DLY_ENABLE    GRF_BIT(1)
 513 #define RK3328_GMAC_RXCLK_DLY_DISABLE   GRF_CLR_BIT(0)
 514
 515 /* RK3328_GRF_MACPHY_CON1 */
 516 #define RK3328_MACPHY_RMII_MODE         GRF_BIT(9)
 517
 518 static void rk3328_set_to_rgmii(struct rk_priv_data *bsp_priv,
 519                                 int tx_delay, int rx_delay)
 520 {
 521         struct device *dev = &bsp_priv->pdev->dev;
 522
 523         if (IS_ERR(bsp_priv->grf)) {
 524                 dev_err(dev, "Missing rockchip,grf property\n");
 525                 return;
 526         }
 527
 528         regmap_write(bsp_priv->grf, RK3328_GRF_MAC_CON1,
 529                      RK3328_GMAC_PHY_INTF_SEL_RGMII |
 530                      RK3328_GMAC_RMII_MODE_CLR |
 531                      RK3328_GMAC_RXCLK_DLY_ENABLE |
 532                      RK3328_GMAC_TXCLK_DLY_ENABLE);
 533
 534         regmap_write(bsp_priv->grf, RK3328_GRF_MAC_CON0,
 535                      RK3328_GMAC_CLK_RX_DL_CFG(rx_delay) |
 536                      RK3328_GMAC_CLK_TX_DL_CFG(tx_delay));
 537 }
 538
 539 static void rk3328_set_to_rmii(struct rk_priv_data *bsp_priv)
 540 {
 541         struct device *dev = &bsp_priv->pdev->dev;
 542         unsigned int reg;
 543
 544         if (IS_ERR(bsp_priv->grf)) {
 545                 dev_err(dev, "Missing rockchip,grf property\n");
 546                 return;
 547         }
 548
 549         reg = bsp_priv->integrated_phy ? RK3328_GRF_MAC_CON2 :
 550                   RK3328_GRF_MAC_CON1;
 551
 552         regmap_write(bsp_priv->grf, reg,
 553                      RK3328_GMAC_PHY_INTF_SEL_RMII |
 554                      RK3328_GMAC_RMII_MODE);
 555 }
 556
 557 static void rk3328_set_rgmii_speed(struct rk_priv_data *bsp_priv, int speed)
 558 {
 559         struct device *dev = &bsp_priv->pdev->dev;
 560
 561         if (IS_ERR(bsp_priv->grf)) {
 562                 dev_err(dev, "Missing rockchip,grf property\n");
 563                 return;
 564         }
 565
 566         if (speed == 10)
 567                 regmap_write(bsp_priv->grf, RK3328_GRF_MAC_CON1,
 568                              RK3328_GMAC_CLK_2_5M);
 569         else if (speed == 100)
 570                 regmap_write(bsp_priv->grf, RK3328_GRF_MAC_CON1,
 571                              RK3328_GMAC_CLK_25M);
 572         else if (speed == 1000)
 573                 regmap_write(bsp_priv->grf, RK3328_GRF_MAC_CON1,
 574                              RK3328_GMAC_CLK_125M);
 575         else
 576                 dev_err(dev, "unknown speed value for RGMII! speed=%d", speed);
 577 }
 578
 579 static void rk3328_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed)
 580 {
 581         struct device *dev = &bsp_priv->pdev->dev;
 582         unsigned int reg;
 583
 584         if (IS_ERR(bsp_priv->grf)) {
 585                 dev_err(dev, "Missing rockchip,grf property\n");
 586                 return;
 587         }
 588
 589         reg = bsp_priv->integrated_phy ? RK3328_GRF_MAC_CON2 :
 590                   RK3328_GRF_MAC_CON1;
 591
 592         if (speed == 10)
 593                 regmap_write(bsp_priv->grf, reg,
 594                              RK3328_GMAC_RMII_CLK_2_5M |
 595                              RK3328_GMAC_SPEED_10M);
 596         else if (speed == 100)
 597                 regmap_write(bsp_priv->grf, reg,
 598                              RK3328_GMAC_RMII_CLK_25M |
 599                              RK3328_GMAC_SPEED_100M);
 600         else
 601                 dev_err(dev, "unknown speed value for RMII! speed=%d", speed);
 602 }
 603
 604 static void rk3328_integrated_phy_powerup(struct rk_priv_data *priv)
 605 {
 606         regmap_write(priv->grf, RK3328_GRF_MACPHY_CON1,
 607                      RK3328_MACPHY_RMII_MODE);
 608 }
 609
 610 static const struct rk_gmac_ops rk3328_ops = {
 611         .set_to_rgmii = rk3328_set_to_rgmii,
 612         .set_to_rmii = rk3328_set_to_rmii,
 613         .set_rgmii_speed = rk3328_set_rgmii_speed,
 614         .set_rmii_speed = rk3328_set_rmii_speed,
 615         .integrated_phy_powerup =  rk3328_integrated_phy_powerup,
 616 };
 617
 618 #define RK3366_GRF_SOC_CON6     0x0418
 619 #define RK3366_GRF_SOC_CON7     0x041c
 620
 621 /* RK3366_GRF_SOC_CON6 */
 622 #define RK3366_GMAC_PHY_INTF_SEL_RGMII  (GRF_BIT(9) | GRF_CLR_BIT(10) | \
 623                                          GRF_CLR_BIT(11))
 624 #define RK3366_GMAC_PHY_INTF_SEL_RMII   (GRF_CLR_BIT(9) | GRF_CLR_BIT(10) | \
 625                                          GRF_BIT(11))
 626 #define RK3366_GMAC_FLOW_CTRL           GRF_BIT(8)
 627 #define RK3366_GMAC_FLOW_CTRL_CLR       GRF_CLR_BIT(8)
 628 #define RK3366_GMAC_SPEED_10M           GRF_CLR_BIT(7)
 629 #define RK3366_GMAC_SPEED_100M          GRF_BIT(7)
 630 #define RK3366_GMAC_RMII_CLK_25M        GRF_BIT(3)
 631 #define RK3366_GMAC_RMII_CLK_2_5M       GRF_CLR_BIT(3)
 632 #define RK3366_GMAC_CLK_125M            (GRF_CLR_BIT(4) | GRF_CLR_BIT(5))
 633 #define RK3366_GMAC_CLK_25M             (GRF_BIT(4) | GRF_BIT(5))
 634 #define RK3366_GMAC_CLK_2_5M            (GRF_CLR_BIT(4) | GRF_BIT(5))
 635 #define RK3366_GMAC_RMII_MODE           GRF_BIT(6)
 636 #define RK3366_GMAC_RMII_MODE_CLR       GRF_CLR_BIT(6)
 637
 638 /* RK3366_GRF_SOC_CON7 */
 639 #define RK3366_GMAC_TXCLK_DLY_ENABLE    GRF_BIT(7)
 640 #define RK3366_GMAC_TXCLK_DLY_DISABLE   GRF_CLR_BIT(7)
 641 #define RK3366_GMAC_RXCLK_DLY_ENABLE    GRF_BIT(15)
 642 #define RK3366_GMAC_RXCLK_DLY_DISABLE   GRF_CLR_BIT(15)
 643 #define RK3366_GMAC_CLK_RX_DL_CFG(val)  HIWORD_UPDATE(val, 0x7F, 8)
 644 #define RK3366_GMAC_CLK_TX_DL_CFG(val)  HIWORD_UPDATE(val, 0x7F, 0)
 645
 646 static void rk3366_set_to_rgmii(struct rk_priv_data *bsp_priv,
 647                                 int tx_delay, int rx_delay)
 648 {
 649         struct device *dev = &bsp_priv->pdev->dev;
 650
 651         if (IS_ERR(bsp_priv->grf)) {
 652                 dev_err(dev, "%s: Missing rockchip,grf property\n", __func__);
 653                 return;
 654         }
 655
 656         regmap_write(bsp_priv->grf, RK3366_GRF_SOC_CON6,
 657                      RK3366_GMAC_PHY_INTF_SEL_RGMII |
 658                      RK3366_GMAC_RMII_MODE_CLR);
 659         regmap_write(bsp_priv->grf, RK3366_GRF_SOC_CON7,
 660                      DELAY_ENABLE(RK3366, tx_delay, rx_delay) |
 661                      RK3366_GMAC_CLK_RX_DL_CFG(rx_delay) |
 662                      RK3366_GMAC_CLK_TX_DL_CFG(tx_delay));
 663 }
 664
 665 static void rk3366_set_to_rmii(struct rk_priv_data *bsp_priv)
 666 {
 667         struct device *dev = &bsp_priv->pdev->dev;
 668
 669         if (IS_ERR(bsp_priv->grf)) {
 670                 dev_err(dev, "%s: Missing rockchip,grf property\n", __func__);
 671                 return;
 672         }
 673
 674         regmap_write(bsp_priv->grf, RK3366_GRF_SOC_CON6,
 675                      RK3366_GMAC_PHY_INTF_SEL_RMII | RK3366_GMAC_RMII_MODE);
 676 }
 677
 678 static void rk3366_set_rgmii_speed(struct rk_priv_data *bsp_priv, int speed)
 679 {
 680         struct device *dev = &bsp_priv->pdev->dev;
 681
 682         if (IS_ERR(bsp_priv->grf)) {
 683                 dev_err(dev, "%s: Missing rockchip,grf property\n", __func__);
 684                 return;
 685         }
 686
 687         if (speed == 10)
 688                 regmap_write(bsp_priv->grf, RK3366_GRF_SOC_CON6,
 689                              RK3366_GMAC_CLK_2_5M);
 690         else if (speed == 100)
 691                 regmap_write(bsp_priv->grf, RK3366_GRF_SOC_CON6,
 692                              RK3366_GMAC_CLK_25M);
 693         else if (speed == 1000)
 694                 regmap_write(bsp_priv->grf, RK3366_GRF_SOC_CON6,
 695                              RK3366_GMAC_CLK_125M);
 696         else
 697                 dev_err(dev, "unknown speed value for RGMII! speed=%d", speed);
 698 }
 699
 700 static void rk3366_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed)
 701 {
 702         struct device *dev = &bsp_priv->pdev->dev;
 703
 704         if (IS_ERR(bsp_priv->grf)) {
 705                 dev_err(dev, "%s: Missing rockchip,grf property\n", __func__);
 706                 return;
 707         }
 708
 709         if (speed == 10) {
 710                 regmap_write(bsp_priv->grf, RK3366_GRF_SOC_CON6,
 711                              RK3366_GMAC_RMII_CLK_2_5M |
 712                              RK3366_GMAC_SPEED_10M);
 713         } else if (speed == 100) {
 714                 regmap_write(bsp_priv->grf, RK3366_GRF_SOC_CON6,
 715                              RK3366_GMAC_RMII_CLK_25M |
 716                              RK3366_GMAC_SPEED_100M);
 717         } else {
 718                 dev_err(dev, "unknown speed value for RMII! speed=%d", speed);
 719         }
 720 }
 721
 722 static const struct rk_gmac_ops rk3366_ops = {
 723         .set_to_rgmii = rk3366_set_to_rgmii,
 724         .set_to_rmii = rk3366_set_to_rmii,
 725         .set_rgmii_speed = rk3366_set_rgmii_speed,
 726         .set_rmii_speed = rk3366_set_rmii_speed,
 727 };
 728
 729 #define RK3368_GRF_SOC_CON15    0x043c
 730 #define RK3368_GRF_SOC_CON16    0x0440
 731
 732 /* RK3368_GRF_SOC_CON15 */
 733 #define RK3368_GMAC_PHY_INTF_SEL_RGMII  (GRF_BIT(9) | GRF_CLR_BIT(10) | \
 734                                          GRF_CLR_BIT(11))
 735 #define RK3368_GMAC_PHY_INTF_SEL_RMII   (GRF_CLR_BIT(9) | GRF_CLR_BIT(10) | \
 736                                          GRF_BIT(11))
 737 #define RK3368_GMAC_FLOW_CTRL           GRF_BIT(8)
 738 #define RK3368_GMAC_FLOW_CTRL_CLR       GRF_CLR_BIT(8)
 739 #define RK3368_GMAC_SPEED_10M           GRF_CLR_BIT(7)
 740 #define RK3368_GMAC_SPEED_100M          GRF_BIT(7)
 741 #define RK3368_GMAC_RMII_CLK_25M        GRF_BIT(3)
 742 #define RK3368_GMAC_RMII_CLK_2_5M       GRF_CLR_BIT(3)
 743 #define RK3368_GMAC_CLK_125M            (GRF_CLR_BIT(4) | GRF_CLR_BIT(5))
 744 #define RK3368_GMAC_CLK_25M             (GRF_BIT(4) | GRF_BIT(5))
 745 #define RK3368_GMAC_CLK_2_5M            (GRF_CLR_BIT(4) | GRF_BIT(5))
 746 #define RK3368_GMAC_RMII_MODE           GRF_BIT(6)
 747 #define RK3368_GMAC_RMII_MODE_CLR       GRF_CLR_BIT(6)
 748
 749 /* RK3368_GRF_SOC_CON16 */
 750 #define RK3368_GMAC_TXCLK_DLY_ENABLE    GRF_BIT(7)
 751 #define RK3368_GMAC_TXCLK_DLY_DISABLE   GRF_CLR_BIT(7)
 752 #define RK3368_GMAC_RXCLK_DLY_ENABLE    GRF_BIT(15)
 753 #define RK3368_GMAC_RXCLK_DLY_DISABLE   GRF_CLR_BIT(15)
 754 #define RK3368_GMAC_CLK_RX_DL_CFG(val)  HIWORD_UPDATE(val, 0x7F, 8)
 755 #define RK3368_GMAC_CLK_TX_DL_CFG(val)  HIWORD_UPDATE(val, 0x7F, 0)
 756
 757 static void rk3368_set_to_rgmii(struct rk_priv_data *bsp_priv,
 758                                 int tx_delay, int rx_delay)
 759 {
 760         struct device *dev = &bsp_priv->pdev->dev;
 761
 762         if (IS_ERR(bsp_priv->grf)) {
 763                 dev_err(dev, "%s: Missing rockchip,grf property\n", __func__);
 764                 return;
 765         }
 766
 767         regmap_write(bsp_priv->grf, RK3368_GRF_SOC_CON15,
 768                      RK3368_GMAC_PHY_INTF_SEL_RGMII |
 769                      RK3368_GMAC_RMII_MODE_CLR);
 770         regmap_write(bsp_priv->grf, RK3368_GRF_SOC_CON16,
 771                      DELAY_ENABLE(RK3368, tx_delay, rx_delay) |
 772                      RK3368_GMAC_CLK_RX_DL_CFG(rx_delay) |
 773                      RK3368_GMAC_CLK_TX_DL_CFG(tx_delay));
 774 }
 775
 776 static void rk3368_set_to_rmii(struct rk_priv_data *bsp_priv)
 777 {
 778         struct device *dev = &bsp_priv->pdev->dev;
 779
 780         if (IS_ERR(bsp_priv->grf)) {
 781                 dev_err(dev, "%s: Missing rockchip,grf property\n", __func__);
 782                 return;
 783         }
 784
 785         regmap_write(bsp_priv->grf, RK3368_GRF_SOC_CON15,
 786                      RK3368_GMAC_PHY_INTF_SEL_RMII | RK3368_GMAC_RMII_MODE);
 787 }
 788
 789 static void rk3368_set_rgmii_speed(struct rk_priv_data *bsp_priv, int speed)
 790 {
 791         struct device *dev = &bsp_priv->pdev->dev;
 792
 793         if (IS_ERR(bsp_priv->grf)) {
 794                 dev_err(dev, "%s: Missing rockchip,grf property\n", __func__);
 795                 return;
 796         }
 797
 798         if (speed == 10)
 799                 regmap_write(bsp_priv->grf, RK3368_GRF_SOC_CON15,
 800                              RK3368_GMAC_CLK_2_5M);
 801         else if (speed == 100)
 802                 regmap_write(bsp_priv->grf, RK3368_GRF_SOC_CON15,
 803                              RK3368_GMAC_CLK_25M);
 804         else if (speed == 1000)
 805                 regmap_write(bsp_priv->grf, RK3368_GRF_SOC_CON15,
 806                              RK3368_GMAC_CLK_125M);
 807         else
 808                 dev_err(dev, "unknown speed value for RGMII! speed=%d", speed);
 809 }
 810
 811 static void rk3368_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed)
 812 {
 813         struct device *dev = &bsp_priv->pdev->dev;
 814
 815         if (IS_ERR(bsp_priv->grf)) {
 816                 dev_err(dev, "%s: Missing rockchip,grf property\n", __func__);
 817                 return;
 818         }
 819
 820         if (speed == 10) {
 821                 regmap_write(bsp_priv->grf, RK3368_GRF_SOC_CON15,
 822                              RK3368_GMAC_RMII_CLK_2_5M |
 823                              RK3368_GMAC_SPEED_10M);
 824         } else if (speed == 100) {
 825                 regmap_write(bsp_priv->grf, RK3368_GRF_SOC_CON15,
 826                              RK3368_GMAC_RMII_CLK_25M |
 827                              RK3368_GMAC_SPEED_100M);
 828         } else {
 829                 dev_err(dev, "unknown speed value for RMII! speed=%d", speed);
 830         }
 831 }
 832
 833 static const struct rk_gmac_ops rk3368_ops = {
 834         .set_to_rgmii = rk3368_set_to_rgmii,
 835         .set_to_rmii = rk3368_set_to_rmii,
 836         .set_rgmii_speed = rk3368_set_rgmii_speed,
 837         .set_rmii_speed = rk3368_set_rmii_speed,
 838 };
 839
 840 #define RK3399_GRF_SOC_CON5     0xc214
 841 #define RK3399_GRF_SOC_CON6     0xc218
 842
 843 /* RK3399_GRF_SOC_CON5 */
 844 #define RK3399_GMAC_PHY_INTF_SEL_RGMII  (GRF_BIT(9) | GRF_CLR_BIT(10) | \
 845                                          GRF_CLR_BIT(11))
 846 #define RK3399_GMAC_PHY_INTF_SEL_RMII   (GRF_CLR_BIT(9) | GRF_CLR_BIT(10) | \
 847                                          GRF_BIT(11))
 848 #define RK3399_GMAC_FLOW_CTRL           GRF_BIT(8)
 849 #define RK3399_GMAC_FLOW_CTRL_CLR       GRF_CLR_BIT(8)
 850 #define RK3399_GMAC_SPEED_10M           GRF_CLR_BIT(7)
 851 #define RK3399_GMAC_SPEED_100M          GRF_BIT(7)
 852 #define RK3399_GMAC_RMII_CLK_25M        GRF_BIT(3)
 853 #define RK3399_GMAC_RMII_CLK_2_5M       GRF_CLR_BIT(3)
 854 #define RK3399_GMAC_CLK_125M            (GRF_CLR_BIT(4) | GRF_CLR_BIT(5))
 855 #define RK3399_GMAC_CLK_25M             (GRF_BIT(4) | GRF_BIT(5))
 856 #define RK3399_GMAC_CLK_2_5M            (GRF_CLR_BIT(4) | GRF_BIT(5))
 857 #define RK3399_GMAC_RMII_MODE           GRF_BIT(6)
 858 #define RK3399_GMAC_RMII_MODE_CLR       GRF_CLR_BIT(6)
 859
 860 /* RK3399_GRF_SOC_CON6 */
 861 #define RK3399_GMAC_TXCLK_DLY_ENABLE    GRF_BIT(7)
 862 #define RK3399_GMAC_TXCLK_DLY_DISABLE   GRF_CLR_BIT(7)
 863 #define RK3399_GMAC_RXCLK_DLY_ENABLE    GRF_BIT(15)
 864 #define RK3399_GMAC_RXCLK_DLY_DISABLE   GRF_CLR_BIT(15)
 865 #define RK3399_GMAC_CLK_RX_DL_CFG(val)  HIWORD_UPDATE(val, 0x7F, 8)
 866 #define RK3399_GMAC_CLK_TX_DL_CFG(val)  HIWORD_UPDATE(val, 0x7F, 0)
 867
 868 static void rk3399_set_to_rgmii(struct rk_priv_data *bsp_priv,
 869                                 int tx_delay, int rx_delay)
 870 {
 871         struct device *dev = &bsp_priv->pdev->dev;
 872
 873         if (IS_ERR(bsp_priv->grf)) {
 874                 dev_err(dev, "%s: Missing rockchip,grf property\n", __func__);
 875                 return;
 876         }
 877
 878         regmap_write(bsp_priv->grf, RK3399_GRF_SOC_CON5,
 879                      RK3399_GMAC_PHY_INTF_SEL_RGMII |
 880                      RK3399_GMAC_RMII_MODE_CLR);
 881         regmap_write(bsp_priv->grf, RK3399_GRF_SOC_CON6,
 882                      DELAY_ENABLE(RK3399, tx_delay, rx_delay) |
 883                      RK3399_GMAC_CLK_RX_DL_CFG(rx_delay) |
 884                      RK3399_GMAC_CLK_TX_DL_CFG(tx_delay));
 885 }
 886
 887 static void rk3399_set_to_rmii(struct rk_priv_data *bsp_priv)
 888 {
 889         struct device *dev = &bsp_priv->pdev->dev;
 890
 891         if (IS_ERR(bsp_priv->grf)) {
 892                 dev_err(dev, "%s: Missing rockchip,grf property\n", __func__);
 893                 return;
 894         }
 895
 896         regmap_write(bsp_priv->grf, RK3399_GRF_SOC_CON5,
 897                      RK3399_GMAC_PHY_INTF_SEL_RMII | RK3399_GMAC_RMII_MODE);
 898 }
 899
 900 static void rk3399_set_rgmii_speed(struct rk_priv_data *bsp_priv, int speed)
 901 {
 902         struct device *dev = &bsp_priv->pdev->dev;
 903
 904         if (IS_ERR(bsp_priv->grf)) {
 905                 dev_err(dev, "%s: Missing rockchip,grf property\n", __func__);
 906                 return;
 907         }
 908
 909         if (speed == 10)
 910                 regmap_write(bsp_priv->grf, RK3399_GRF_SOC_CON5,
 911                              RK3399_GMAC_CLK_2_5M);
 912         else if (speed == 100)
 913                 regmap_write(bsp_priv->grf, RK3399_GRF_SOC_CON5,
 914                              RK3399_GMAC_CLK_25M);
 915         else if (speed == 1000)
 916                 regmap_write(bsp_priv->grf, RK3399_GRF_SOC_CON5,
 917                              RK3399_GMAC_CLK_125M);
 918         else
 919                 dev_err(dev, "unknown speed value for RGMII! speed=%d", speed);
 920 }
 921
 922 static void rk3399_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed)
 923 {
 924         struct device *dev = &bsp_priv->pdev->dev;
 925
 926         if (IS_ERR(bsp_priv->grf)) {
 927                 dev_err(dev, "%s: Missing rockchip,grf property\n", __func__);
 928                 return;
 929         }
 930
 931         if (speed == 10) {
 932                 regmap_write(bsp_priv->grf, RK3399_GRF_SOC_CON5,
 933                              RK3399_GMAC_RMII_CLK_2_5M |
 934                              RK3399_GMAC_SPEED_10M);
 935         } else if (speed == 100) {
 936                 regmap_write(bsp_priv->grf, RK3399_GRF_SOC_CON5,
 937                              RK3399_GMAC_RMII_CLK_25M |
 938                              RK3399_GMAC_SPEED_100M);
 939         } else {
 940                 dev_err(dev, "unknown speed value for RMII! speed=%d", speed);
 941         }
 942 }
 943
 944 static const struct rk_gmac_ops rk3399_ops = {
 945         .set_to_rgmii = rk3399_set_to_rgmii,
 946         .set_to_rmii = rk3399_set_to_rmii,
 947         .set_rgmii_speed = rk3399_set_rgmii_speed,
 948         .set_rmii_speed = rk3399_set_rmii_speed,
 949 };
 950
 951 #define RV1108_GRF_GMAC_CON0            0X0900
 952
 953 /* RV1108_GRF_GMAC_CON0 */
 954 #define RV1108_GMAC_PHY_INTF_SEL_RMII   (GRF_CLR_BIT(4) | GRF_CLR_BIT(5) | \
 955                                         GRF_BIT(6))
 956 #define RV1108_GMAC_FLOW_CTRL           GRF_BIT(3)
 957 #define RV1108_GMAC_FLOW_CTRL_CLR       GRF_CLR_BIT(3)
 958 #define RV1108_GMAC_SPEED_10M           GRF_CLR_BIT(2)
 959 #define RV1108_GMAC_SPEED_100M          GRF_BIT(2)
 960 #define RV1108_GMAC_RMII_CLK_25M        GRF_BIT(7)
 961 #define RV1108_GMAC_RMII_CLK_2_5M       GRF_CLR_BIT(7)
 962
 963 static void rv1108_set_to_rmii(struct rk_priv_data *bsp_priv)
 964 {
 965         struct device *dev = &bsp_priv->pdev->dev;
 966
 967         if (IS_ERR(bsp_priv->grf)) {
 968                 dev_err(dev, "%s: Missing rockchip,grf property\n", __func__);
 969                 return;
 970         }
 971
 972         regmap_write(bsp_priv->grf, RV1108_GRF_GMAC_CON0,
 973                      RV1108_GMAC_PHY_INTF_SEL_RMII);
 974 }
 975
 976 static void rv1108_set_rmii_speed(struct rk_priv_data *bsp_priv, int speed)
 977 {
 978         struct device *dev = &bsp_priv->pdev->dev;
 979
 980         if (IS_ERR(bsp_priv->grf)) {
 981                 dev_err(dev, "%s: Missing rockchip,grf property\n", __func__);
 982                 return;
 983         }
 984
 985         if (speed == 10) {
 986                 regmap_write(bsp_priv->grf, RV1108_GRF_GMAC_CON0,
 987                              RV1108_GMAC_RMII_CLK_2_5M |
 988                              RV1108_GMAC_SPEED_10M);
 989         } else if (speed == 100) {
 990                 regmap_write(bsp_priv->grf, RV1108_GRF_GMAC_CON0,
 991                              RV1108_GMAC_RMII_CLK_25M |
 992                              RV1108_GMAC_SPEED_100M);
 993         } else {
 994                 dev_err(dev, "unknown speed value for RMII! speed=%d", speed);
 995         }
 996 }
 997
 998 static const struct rk_gmac_ops rv1108_ops = {
 999         .set_to_rmii = rv1108_set_to_rmii,
1000         .set_rmii_speed = rv1108_set_rmii_speed,
1001 };
1002
1003 #define RK_GRF_MACPHY_CON0              0xb00
1004 #define RK_GRF_MACPHY_CON1              0xb04
1005 #define RK_GRF_MACPHY_CON2              0xb08
1006 #define RK_GRF_MACPHY_CON3              0xb0c
1007
1008 #define RK_MACPHY_ENABLE                GRF_BIT(0)
1009 #define RK_MACPHY_DISABLE               GRF_CLR_BIT(0)
1010 #define RK_MACPHY_CFG_CLK_50M           GRF_BIT(14)
1011 #define RK_GMAC2PHY_RMII_MODE           (GRF_BIT(6) | GRF_CLR_BIT(7))
1012 #define RK_GRF_CON2_MACPHY_ID           HIWORD_UPDATE(0x1234, 0xffff, 0)
1013 #define RK_GRF_CON3_MACPHY_ID           HIWORD_UPDATE(0x35, 0x3f, 0)
1014
1015 static void rk_gmac_integrated_phy_powerup(struct rk_priv_data *priv)
1016 {
1017         if (priv->ops->integrated_phy_powerup)
1018                 priv->ops->integrated_phy_powerup(priv);
1019
1020         regmap_write(priv->grf, RK_GRF_MACPHY_CON0, RK_MACPHY_CFG_CLK_50M);
1021         regmap_write(priv->grf, RK_GRF_MACPHY_CON0, RK_GMAC2PHY_RMII_MODE);
1022
1023         regmap_write(priv->grf, RK_GRF_MACPHY_CON2, RK_GRF_CON2_MACPHY_ID);
1024         regmap_write(priv->grf, RK_GRF_MACPHY_CON3, RK_GRF_CON3_MACPHY_ID);
1025
1026         if (priv->phy_reset) {
1027                 /* PHY needs to be disabled before trying to reset it */
1028                 regmap_write(priv->grf, RK_GRF_MACPHY_CON0, RK_MACPHY_DISABLE);
1029                 if (priv->phy_reset)
1030                         reset_control_assert(priv->phy_reset);
1031                 usleep_range(10, 20);
1032                 if (priv->phy_reset)
1033                         reset_control_deassert(priv->phy_reset);
1034                 usleep_range(10, 20);
1035                 regmap_write(priv->grf, RK_GRF_MACPHY_CON0, RK_MACPHY_ENABLE);
1036                 msleep(30);
1037         }
1038 }
1039
1040 static void rk_gmac_integrated_phy_powerdown(struct rk_priv_data *priv)
1041 {
1042         regmap_write(priv->grf, RK_GRF_MACPHY_CON0, RK_MACPHY_DISABLE);
1043         if (priv->phy_reset)
1044                 reset_control_assert(priv->phy_reset);
1045 }
1046
1047 static int rk_gmac_clk_init(struct plat_stmmacenet_data *plat)
1048 {
1049         struct rk_priv_data *bsp_priv = plat->bsp_priv;
1050         struct device *dev = &bsp_priv->pdev->dev;
1051         int ret;
1052
1053         bsp_priv->clk_enabled = false;
1054
1055         bsp_priv->mac_clk_rx = devm_clk_get(dev, "mac_clk_rx");
1056         if (IS_ERR(bsp_priv->mac_clk_rx))
1057                 dev_err(dev, "cannot get clock %s\n",
1058                         "mac_clk_rx");
1059
1060         bsp_priv->mac_clk_tx = devm_clk_get(dev, "mac_clk_tx");
1061         if (IS_ERR(bsp_priv->mac_clk_tx))
1062                 dev_err(dev, "cannot get clock %s\n",
1063                         "mac_clk_tx");
1064
1065         bsp_priv->aclk_mac = devm_clk_get(dev, "aclk_mac");
1066         if (IS_ERR(bsp_priv->aclk_mac))
1067                 dev_err(dev, "cannot get clock %s\n",
1068                         "aclk_mac");
1069
1070         bsp_priv->pclk_mac = devm_clk_get(dev, "pclk_mac");
1071         if (IS_ERR(bsp_priv->pclk_mac))
1072                 dev_err(dev, "cannot get clock %s\n",
1073                         "pclk_mac");
1074
1075         bsp_priv->clk_mac = devm_clk_get(dev, "stmmaceth");
1076         if (IS_ERR(bsp_priv->clk_mac))
1077                 dev_err(dev, "cannot get clock %s\n",
1078                         "stmmaceth");
1079
1080         if (bsp_priv->phy_iface == PHY_INTERFACE_MODE_RMII) {
1081                 bsp_priv->clk_mac_ref = devm_clk_get(dev, "clk_mac_ref");
1082                 if (IS_ERR(bsp_priv->clk_mac_ref))
1083                         dev_err(dev, "cannot get clock %s\n",
1084                                 "clk_mac_ref");
1085
1086                 if (!bsp_priv->clock_input) {
1087                         bsp_priv->clk_mac_refout =
1088                                 devm_clk_get(dev, "clk_mac_refout");
1089                         if (IS_ERR(bsp_priv->clk_mac_refout))
1090                                 dev_err(dev, "cannot get clock %s\n",
1091                                         "clk_mac_refout");
1092                 }
1093         }
1094
1095         bsp_priv->clk_mac_speed = devm_clk_get(dev, "clk_mac_speed");
1096         if (IS_ERR(bsp_priv->clk_mac_speed))
1097                 dev_err(dev, "cannot get clock %s\n", "clk_mac_speed");
1098
1099         if (bsp_priv->clock_input) {
1100                 dev_info(dev, "clock input from PHY\n");
1101         } else {
1102                 if (bsp_priv->phy_iface == PHY_INTERFACE_MODE_RMII)
1103                         clk_set_rate(bsp_priv->clk_mac, 50000000);
1104         }
1105
1106         if (plat->phy_node && bsp_priv->integrated_phy) {
1107                 bsp_priv->clk_phy = of_clk_get(plat->phy_node, 0);
1108                 if (IS_ERR(bsp_priv->clk_phy)) {
1109                         ret = PTR_ERR(bsp_priv->clk_phy);
1110                         dev_err(dev, "Cannot get PHY clock: %d\n", ret);
1111                         return -EINVAL;
1112                 }
1113                 clk_set_rate(bsp_priv->clk_phy, 50000000);
1114         }
1115
1116         return 0;
1117 }
1118
1119 static int gmac_clk_enable(struct rk_priv_data *bsp_priv, bool enable)
1120 {
1121         int phy_iface = bsp_priv->phy_iface;
1122
1123         if (enable) {
1124                 if (!bsp_priv->clk_enabled) {
1125                         if (phy_iface == PHY_INTERFACE_MODE_RMII) {
1126                                 if (!IS_ERR(bsp_priv->mac_clk_rx))
1127                                         clk_prepare_enable(
1128                                                 bsp_priv->mac_clk_rx);
1129
1130                                 if (!IS_ERR(bsp_priv->clk_mac_ref))
1131                                         clk_prepare_enable(
1132                                                 bsp_priv->clk_mac_ref);
1133
1134                                 if (!IS_ERR(bsp_priv->clk_mac_refout))
1135                                         clk_prepare_enable(
1136                                                 bsp_priv->clk_mac_refout);
1137                         }
1138
1139                         if (!IS_ERR(bsp_priv->clk_phy))
1140                                 clk_prepare_enable(bsp_priv->clk_phy);
1141
1142                         if (!IS_ERR(bsp_priv->aclk_mac))
1143                                 clk_prepare_enable(bsp_priv->aclk_mac);
1144
1145                         if (!IS_ERR(bsp_priv->pclk_mac))
1146                                 clk_prepare_enable(bsp_priv->pclk_mac);
1147
1148                         if (!IS_ERR(bsp_priv->mac_clk_tx))
1149                                 clk_prepare_enable(bsp_priv->mac_clk_tx);
1150
1151                         if (!IS_ERR(bsp_priv->clk_mac_speed))
1152                                 clk_prepare_enable(bsp_priv->clk_mac_speed);
1153
1154                         /**
1155                          * if (!IS_ERR(bsp_priv->clk_mac))
1156                          *      clk_prepare_enable(bsp_priv->clk_mac);
1157                          */
1158                         mdelay(5);
1159                         bsp_priv->clk_enabled = true;
1160                 }
1161         } else {
1162                 if (bsp_priv->clk_enabled) {
1163                         if (phy_iface == PHY_INTERFACE_MODE_RMII) {
1164                                 clk_disable_unprepare(bsp_priv->mac_clk_rx);
1165
1166                                 clk_disable_unprepare(bsp_priv->clk_mac_ref);
1167
1168                                 clk_disable_unprepare(bsp_priv->clk_mac_refout);
1169                         }
1170
1171                         clk_disable_unprepare(bsp_priv->clk_phy);
1172
1173                         clk_disable_unprepare(bsp_priv->aclk_mac);
1174
1175                         clk_disable_unprepare(bsp_priv->pclk_mac);
1176
1177                         clk_disable_unprepare(bsp_priv->mac_clk_tx);
1178
1179                         clk_disable_unprepare(bsp_priv->clk_mac_speed);
1180                         /**
1181                          * if (!IS_ERR(bsp_priv->clk_mac))
1182                          *      clk_disable_unprepare(bsp_priv->clk_mac);
1183                          */
1184                         bsp_priv->clk_enabled = false;
1185                 }
1186         }
1187
1188         return 0;
1189 }
1190
1191 static int phy_power_on(struct rk_priv_data *bsp_priv, bool enable)
1192 {
1193         struct regulator *ldo = bsp_priv->regulator;
1194         int ret;
1195         struct device *dev = &bsp_priv->pdev->dev;
1196
1197         if (!ldo) {
1198                 dev_err(dev, "no regulator found\n");
1199                 return -1;
1200         }
1201
1202         if (enable) {
1203                 ret = regulator_enable(ldo);
1204                 if (ret)
1205                         dev_err(dev, "fail to enable phy-supply\n");
1206         } else {
1207                 ret = regulator_disable(ldo);
1208                 if (ret)
1209                         dev_err(dev, "fail to disable phy-supply\n");
1210         }
1211
1212         return 0;
1213 }
1214
1215 static struct rk_priv_data *rk_gmac_setup(struct platform_device *pdev,
1216                                           struct plat_stmmacenet_data *plat,
1217                                           const struct rk_gmac_ops *ops)
1218 {
1219         struct rk_priv_data *bsp_priv;
1220         struct device *dev = &pdev->dev;
1221         int ret;
1222         const char *strings = NULL;
1223         int value;
1224
1225         bsp_priv = devm_kzalloc(dev, sizeof(*bsp_priv), GFP_KERNEL);
1226         if (!bsp_priv)
1227                 return ERR_PTR(-ENOMEM);
1228
1229         bsp_priv->phy_iface = of_get_phy_mode(dev->of_node);
1230         bsp_priv->ops = ops;
1231
1232         bsp_priv->regulator = devm_regulator_get_optional(dev, "phy");
1233         if (IS_ERR(bsp_priv->regulator)) {
1234                 if (PTR_ERR(bsp_priv->regulator) == -EPROBE_DEFER) {
1235                         dev_err(dev, "phy regulator is not available yet, deferred probing\n");
1236                         return ERR_PTR(-EPROBE_DEFER);
1237                 }
1238                 dev_err(dev, "no regulator found\n");
1239                 bsp_priv->regulator = NULL;
1240         }
1241
1242         ret = of_property_read_string(dev->of_node, "clock_in_out", &strings);
1243         if (ret) {
1244                 dev_err(dev, "Can not read property: clock_in_out.\n");
1245                 bsp_priv->clock_input = true;
1246         } else {
1247                 dev_info(dev, "clock input or output? (%s).\n",
1248                          strings);
1249                 if (!strcmp(strings, "input"))
1250                         bsp_priv->clock_input = true;
1251                 else
1252                         bsp_priv->clock_input = false;
1253         }
1254
1255         ret = of_property_read_u32(dev->of_node, "tx_delay", &value);
1256         if (ret) {
1257                 bsp_priv->tx_delay = 0x30;
1258                 dev_err(dev, "Can not read property: tx_delay.");
1259                 dev_err(dev, "set tx_delay to 0x%x\n",
1260                         bsp_priv->tx_delay);
1261         } else {
1262                 dev_info(dev, "TX delay(0x%x).\n", value);
1263                 bsp_priv->tx_delay = value;
1264         }
1265
1266         ret = of_property_read_u32(dev->of_node, "rx_delay", &value);
1267         if (ret) {
1268                 bsp_priv->rx_delay = 0x10;
1269                 dev_err(dev, "Can not read property: rx_delay.");
1270                 dev_err(dev, "set rx_delay to 0x%x\n",
1271                         bsp_priv->rx_delay);
1272         } else {
1273                 dev_info(dev, "RX delay(0x%x).\n", value);
1274                 bsp_priv->rx_delay = value;
1275         }
1276
1277         bsp_priv->grf = syscon_regmap_lookup_by_phandle(dev->of_node,
1278                                                         "rockchip,grf");
1279
1280         if (plat->phy_node) {
1281                 bsp_priv->integrated_phy = of_property_read_bool(plat->phy_node,
1282                                                                  "phy-is-integrated");
1283                 if (bsp_priv->integrated_phy) {
1284                         bsp_priv->phy_reset = of_reset_control_get(plat->phy_node, NULL);
1285                         if (IS_ERR(bsp_priv->phy_reset)) {
1286                                 dev_err(&pdev->dev, "No PHY reset control found.\n");
1287                                 bsp_priv->phy_reset = NULL;
1288                         }
1289                 }
1290         }
1291         dev_info(dev, "integrated PHY? (%s).\n",
1292                  bsp_priv->integrated_phy ? "yes" : "no");
1293
1294         bsp_priv->pdev = pdev;
1295
1296         return bsp_priv;
1297 }
1298
1299 static int rk_gmac_powerup(struct rk_priv_data *bsp_priv)
1300 {
1301         int ret;
1302         struct device *dev = &bsp_priv->pdev->dev;
1303
1304         ret = gmac_clk_enable(bsp_priv, true);
1305         if (ret)
1306                 return ret;
1307
1308         /*rmii or rgmii*/
1309         switch (bsp_priv->phy_iface) {
1310         case PHY_INTERFACE_MODE_RGMII:
1311                 dev_info(dev, "init for RGMII\n");
1312                 bsp_priv->ops->set_to_rgmii(bsp_priv, bsp_priv->tx_delay,
1313                                             bsp_priv->rx_delay);
1314                 break;
1315         case PHY_INTERFACE_MODE_RGMII_ID:
1316                 dev_info(dev, "init for RGMII_ID\n");
1317                 bsp_priv->ops->set_to_rgmii(bsp_priv, 0, 0);
1318                 break;
1319         case PHY_INTERFACE_MODE_RGMII_RXID:
1320                 dev_info(dev, "init for RGMII_RXID\n");
1321                 bsp_priv->ops->set_to_rgmii(bsp_priv, bsp_priv->tx_delay, 0);
1322                 break;
1323         case PHY_INTERFACE_MODE_RGMII_TXID:
1324                 dev_info(dev, "init for RGMII_TXID\n");
1325                 bsp_priv->ops->set_to_rgmii(bsp_priv, 0, bsp_priv->rx_delay);
1326                 break;
1327         case PHY_INTERFACE_MODE_RMII:
1328                 dev_info(dev, "init for RMII\n");
1329                 bsp_priv->ops->set_to_rmii(bsp_priv);
1330                 break;
1331         default:
1332                 dev_err(dev, "NO interface defined!\n");
1333         }
1334
1335         ret = phy_power_on(bsp_priv, true);
1336         if (ret) {
1337                 gmac_clk_enable(bsp_priv, false);
1338                 return ret;
1339         }
1340
1341         pm_runtime_enable(dev);
1342         pm_runtime_get_sync(dev);
1343
1344         if (bsp_priv->integrated_phy)
1345                 rk_gmac_integrated_phy_powerup(bsp_priv);
1346
1347         return 0;
1348 }
1349
1350 static void rk_gmac_powerdown(struct rk_priv_data *gmac)
1351 {
1352         struct device *dev = &gmac->pdev->dev;
1353
1354         if (gmac->integrated_phy)
1355                 rk_gmac_integrated_phy_powerdown(gmac);
1356
1357         pm_runtime_put_sync(dev);
1358         pm_runtime_disable(dev);
1359
1360         phy_power_on(gmac, false);
1361         gmac_clk_enable(gmac, false);
1362 }
1363
1364 static void rk_fix_speed(void *priv, unsigned int speed)
1365 {
1366         struct rk_priv_data *bsp_priv = priv;
1367         struct device *dev = &bsp_priv->pdev->dev;
1368
1369         switch (bsp_priv->phy_iface) {
1370         case PHY_INTERFACE_MODE_RGMII:
1371         case PHY_INTERFACE_MODE_RGMII_ID:
1372         case PHY_INTERFACE_MODE_RGMII_RXID:
1373         case PHY_INTERFACE_MODE_RGMII_TXID:
1374                 bsp_priv->ops->set_rgmii_speed(bsp_priv, speed);
1375                 break;
1376         case PHY_INTERFACE_MODE_RMII:
1377                 bsp_priv->ops->set_rmii_speed(bsp_priv, speed);
1378                 break;
1379         default:
1380                 dev_err(dev, "unsupported interface %d", bsp_priv->phy_iface);
1381         }
1382 }
1383
1384 static int rk_gmac_probe(struct platform_device *pdev)
1385 {
1386         struct plat_stmmacenet_data *plat_dat;
1387         struct stmmac_resources stmmac_res;
1388         const struct rk_gmac_ops *data;
1389         int ret;
1390
1391         data = of_device_get_match_data(&pdev->dev);
1392         if (!data) {
1393                 dev_err(&pdev->dev, "no of match data provided\n");
1394                 return -EINVAL;
1395         }
1396
1397         ret = stmmac_get_platform_resources(pdev, &stmmac_res);
1398         if (ret)
1399                 return ret;
1400
1401         plat_dat = stmmac_probe_config_dt(pdev, &stmmac_res.mac);
1402         if (IS_ERR(plat_dat))
1403                 return PTR_ERR(plat_dat);
1404
1405         plat_dat->has_gmac = true;
1406         plat_dat->fix_mac_speed = rk_fix_speed;
1407
1408         plat_dat->bsp_priv = rk_gmac_setup(pdev, plat_dat, data);
1409         if (IS_ERR(plat_dat->bsp_priv)) {
1410                 ret = PTR_ERR(plat_dat->bsp_priv);
1411                 goto err_remove_config_dt;
1412         }
1413
1414         ret = rk_gmac_clk_init(plat_dat);
1415         if (ret)
1416                 return ret;
1417
1418         ret = rk_gmac_powerup(plat_dat->bsp_priv);
1419         if (ret)
1420                 goto err_remove_config_dt;
1421
1422         ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
1423         if (ret)
1424                 goto err_gmac_powerdown;
1425
1426         return 0;
1427
1428 err_gmac_powerdown:
1429         rk_gmac_powerdown(plat_dat->bsp_priv);
1430 err_remove_config_dt:
1431         stmmac_remove_config_dt(pdev, plat_dat);
1432
1433         return ret;
1434 }
1435
1436 static int rk_gmac_remove(struct platform_device *pdev)
1437 {
1438         struct rk_priv_data *bsp_priv = get_stmmac_bsp_priv(&pdev->dev);
1439         int ret = stmmac_dvr_remove(&pdev->dev);
1440
1441         rk_gmac_powerdown(bsp_priv);
1442
1443         return ret;
1444 }
1445
1446 #ifdef CONFIG_PM_SLEEP
1447 static int rk_gmac_suspend(struct device *dev)
1448 {
1449         struct rk_priv_data *bsp_priv = get_stmmac_bsp_priv(dev);
1450         int ret = stmmac_suspend(dev);
1451
1452         /* Keep the PHY up if we use Wake-on-Lan. */
1453         if (!device_may_wakeup(dev)) {
1454                 rk_gmac_powerdown(bsp_priv);
1455                 bsp_priv->suspended = true;
1456         }
1457
1458         return ret;
1459 }
1460
1461 static int rk_gmac_resume(struct device *dev)
1462 {
1463         struct rk_priv_data *bsp_priv = get_stmmac_bsp_priv(dev);
1464
1465         /* The PHY was up for Wake-on-Lan. */
1466         if (bsp_priv->suspended) {
1467                 rk_gmac_powerup(bsp_priv);
1468                 bsp_priv->suspended = false;
1469         }
1470
1471         return stmmac_resume(dev);
1472 }
1473 #endif /* CONFIG_PM_SLEEP */
1474
1475 static SIMPLE_DEV_PM_OPS(rk_gmac_pm_ops, rk_gmac_suspend, rk_gmac_resume);
1476
1477 static const struct of_device_id rk_gmac_dwmac_match[] = {
1478         { .compatible = "rockchip,px30-gmac",   .data = &px30_ops   },
1479         { .compatible = "rockchip,rk3128-gmac", .data = &rk3128_ops },
1480         { .compatible = "rockchip,rk3228-gmac", .data = &rk3228_ops },
1481         { .compatible = "rockchip,rk3288-gmac", .data = &rk3288_ops },
1482         { .compatible = "rockchip,rk3328-gmac", .data = &rk3328_ops },
1483         { .compatible = "rockchip,rk3366-gmac", .data = &rk3366_ops },
1484         { .compatible = "rockchip,rk3368-gmac", .data = &rk3368_ops },
1485         { .compatible = "rockchip,rk3399-gmac", .data = &rk3399_ops },
1486         { .compatible = "rockchip,rv1108-gmac", .data = &rv1108_ops },
1487         { }
1488 };
1489 MODULE_DEVICE_TABLE(of, rk_gmac_dwmac_match);
1490
1491 static struct platform_driver rk_gmac_dwmac_driver = {
1492         .probe  = rk_gmac_probe,
1493         .remove = rk_gmac_remove,
1494         .driver = {
1495                 .name           = "rk_gmac-dwmac",
1496                 .pm             = &rk_gmac_pm_ops,
1497                 .of_match_table = rk_gmac_dwmac_match,
1498         },
1499 };
1500 module_platform_driver(rk_gmac_dwmac_driver);
1501
1502 MODULE_AUTHOR("Chen-Zhi (Roger Chen) <roger.chen@rock-chips.com>");
1503 MODULE_DESCRIPTION("Rockchip RK3288 DWMAC specific glue layer");
1504 MODULE_LICENSE("GPL");