1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * dwmac-rk.c - Rockchip RK3288 DWMAC specific glue layer
5 * Copyright (C) 2014 Chen-Zhi (Roger Chen)
7 * Chen-Zhi (Roger Chen) <roger.chen@rock-chips.com>
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>
26 #include "stmmac_platform.h"
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
);
39 struct platform_device
*pdev
;
40 phy_interface_t phy_iface
;
41 struct regulator
*regulator
;
43 const struct rk_gmac_ops
*ops
;
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
;
60 struct reset_control
*phy_reset
;
68 #define HIWORD_UPDATE(val, mask, shift) \
69 ((val) << (shift) | (mask) << ((shift) + 16))
71 #define GRF_BIT(nr) (BIT(nr) | BIT(nr+16))
72 #define GRF_CLR_BIT(nr) (BIT(nr+16))
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))
78 #define PX30_GRF_GMAC_CON1 0x0904
80 /* PX30_GRF_GMAC_CON1 */
81 #define PX30_GMAC_PHY_INTF_SEL_RMII (GRF_CLR_BIT(4) | GRF_CLR_BIT(5) | \
83 #define PX30_GMAC_SPEED_10M GRF_CLR_BIT(2)
84 #define PX30_GMAC_SPEED_100M GRF_BIT(2)
86 static void px30_set_to_rmii(struct rk_priv_data
*bsp_priv
)
88 struct device
*dev
= &bsp_priv
->pdev
->dev
;
90 if (IS_ERR(bsp_priv
->grf
)) {
91 dev_err(dev
, "%s: Missing rockchip,grf property\n", __func__
);
95 regmap_write(bsp_priv
->grf
, PX30_GRF_GMAC_CON1
,
96 PX30_GMAC_PHY_INTF_SEL_RMII
);
99 static void px30_set_rmii_speed(struct rk_priv_data
*bsp_priv
, int speed
)
101 struct device
*dev
= &bsp_priv
->pdev
->dev
;
104 if (IS_ERR(bsp_priv
->clk_mac_speed
)) {
105 dev_err(dev
, "%s: Missing clk_mac_speed clock\n", __func__
);
110 regmap_write(bsp_priv
->grf
, PX30_GRF_GMAC_CON1
,
111 PX30_GMAC_SPEED_10M
);
113 ret
= clk_set_rate(bsp_priv
->clk_mac_speed
, 2500000);
115 dev_err(dev
, "%s: set clk_mac_speed rate 2500000 failed: %d\n",
117 } else if (speed
== 100) {
118 regmap_write(bsp_priv
->grf
, PX30_GRF_GMAC_CON1
,
119 PX30_GMAC_SPEED_100M
);
121 ret
= clk_set_rate(bsp_priv
->clk_mac_speed
, 25000000);
123 dev_err(dev
, "%s: set clk_mac_speed rate 25000000 failed: %d\n",
127 dev_err(dev
, "unknown speed value for RMII! speed=%d", speed
);
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
,
136 #define RK3128_GRF_MAC_CON0 0x0168
137 #define RK3128_GRF_MAC_CON1 0x016c
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)
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)
164 static void rk3128_set_to_rgmii(struct rk_priv_data
*bsp_priv
,
165 int tx_delay
, int rx_delay
)
167 struct device
*dev
= &bsp_priv
->pdev
->dev
;
169 if (IS_ERR(bsp_priv
->grf
)) {
170 dev_err(dev
, "Missing rockchip,grf property\n");
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
));
183 static void rk3128_set_to_rmii(struct rk_priv_data
*bsp_priv
)
185 struct device
*dev
= &bsp_priv
->pdev
->dev
;
187 if (IS_ERR(bsp_priv
->grf
)) {
188 dev_err(dev
, "Missing rockchip,grf property\n");
192 regmap_write(bsp_priv
->grf
, RK3128_GRF_MAC_CON1
,
193 RK3128_GMAC_PHY_INTF_SEL_RMII
| RK3128_GMAC_RMII_MODE
);
196 static void rk3128_set_rgmii_speed(struct rk_priv_data
*bsp_priv
, int speed
)
198 struct device
*dev
= &bsp_priv
->pdev
->dev
;
200 if (IS_ERR(bsp_priv
->grf
)) {
201 dev_err(dev
, "Missing rockchip,grf property\n");
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
);
215 dev_err(dev
, "unknown speed value for RGMII! speed=%d", speed
);
218 static void rk3128_set_rmii_speed(struct rk_priv_data
*bsp_priv
, int speed
)
220 struct device
*dev
= &bsp_priv
->pdev
->dev
;
222 if (IS_ERR(bsp_priv
->grf
)) {
223 dev_err(dev
, "Missing rockchip,grf property\n");
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
);
236 dev_err(dev
, "unknown speed value for RMII! speed=%d", speed
);
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
,
247 #define RK3228_GRF_MAC_CON0 0x0900
248 #define RK3228_GRF_MAC_CON1 0x0904
250 #define RK3228_GRF_CON_MUX 0x50
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)
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)
277 /* RK3228_GRF_COM_MUX */
278 #define RK3228_GRF_CON_MUX_GMAC_INTEGRATED_PHY GRF_BIT(15)
280 static void rk3228_set_to_rgmii(struct rk_priv_data
*bsp_priv
,
281 int tx_delay
, int rx_delay
)
283 struct device
*dev
= &bsp_priv
->pdev
->dev
;
285 if (IS_ERR(bsp_priv
->grf
)) {
286 dev_err(dev
, "Missing rockchip,grf property\n");
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
));
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
));
300 static void rk3228_set_to_rmii(struct rk_priv_data
*bsp_priv
)
302 struct device
*dev
= &bsp_priv
->pdev
->dev
;
304 if (IS_ERR(bsp_priv
->grf
)) {
305 dev_err(dev
, "Missing rockchip,grf property\n");
309 regmap_write(bsp_priv
->grf
, RK3228_GRF_MAC_CON1
,
310 RK3228_GMAC_PHY_INTF_SEL_RMII
|
311 RK3228_GMAC_RMII_MODE
);
313 /* set MAC to RMII mode */
314 regmap_write(bsp_priv
->grf
, RK3228_GRF_MAC_CON1
, GRF_BIT(11));
317 static void rk3228_set_rgmii_speed(struct rk_priv_data
*bsp_priv
, int speed
)
319 struct device
*dev
= &bsp_priv
->pdev
->dev
;
321 if (IS_ERR(bsp_priv
->grf
)) {
322 dev_err(dev
, "Missing rockchip,grf property\n");
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
);
336 dev_err(dev
, "unknown speed value for RGMII! speed=%d", speed
);
339 static void rk3228_set_rmii_speed(struct rk_priv_data
*bsp_priv
, int speed
)
341 struct device
*dev
= &bsp_priv
->pdev
->dev
;
343 if (IS_ERR(bsp_priv
->grf
)) {
344 dev_err(dev
, "Missing rockchip,grf property\n");
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
);
357 dev_err(dev
, "unknown speed value for RMII! speed=%d", speed
);
360 static void rk3228_integrated_phy_powerup(struct rk_priv_data
*priv
)
362 regmap_write(priv
->grf
, RK3228_GRF_CON_MUX
,
363 RK3228_GRF_CON_MUX_GMAC_INTEGRATED_PHY
);
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
,
374 #define RK3288_GRF_SOC_CON1 0x0248
375 #define RK3288_GRF_SOC_CON3 0x0250
377 /*RK3288_GRF_SOC_CON1*/
378 #define RK3288_GMAC_PHY_INTF_SEL_RGMII (GRF_BIT(6) | GRF_CLR_BIT(7) | \
380 #define RK3288_GMAC_PHY_INTF_SEL_RMII (GRF_CLR_BIT(6) | GRF_CLR_BIT(7) | \
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)
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)
402 static void rk3288_set_to_rgmii(struct rk_priv_data
*bsp_priv
,
403 int tx_delay
, int rx_delay
)
405 struct device
*dev
= &bsp_priv
->pdev
->dev
;
407 if (IS_ERR(bsp_priv
->grf
)) {
408 dev_err(dev
, "Missing rockchip,grf property\n");
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
));
421 static void rk3288_set_to_rmii(struct rk_priv_data
*bsp_priv
)
423 struct device
*dev
= &bsp_priv
->pdev
->dev
;
425 if (IS_ERR(bsp_priv
->grf
)) {
426 dev_err(dev
, "Missing rockchip,grf property\n");
430 regmap_write(bsp_priv
->grf
, RK3288_GRF_SOC_CON1
,
431 RK3288_GMAC_PHY_INTF_SEL_RMII
| RK3288_GMAC_RMII_MODE
);
434 static void rk3288_set_rgmii_speed(struct rk_priv_data
*bsp_priv
, int speed
)
436 struct device
*dev
= &bsp_priv
->pdev
->dev
;
438 if (IS_ERR(bsp_priv
->grf
)) {
439 dev_err(dev
, "Missing rockchip,grf property\n");
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
);
453 dev_err(dev
, "unknown speed value for RGMII! speed=%d", speed
);
456 static void rk3288_set_rmii_speed(struct rk_priv_data
*bsp_priv
, int speed
)
458 struct device
*dev
= &bsp_priv
->pdev
->dev
;
460 if (IS_ERR(bsp_priv
->grf
)) {
461 dev_err(dev
, "Missing rockchip,grf property\n");
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
);
474 dev_err(dev
, "unknown speed value for RMII! speed=%d", speed
);
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
,
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
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)
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)
515 /* RK3328_GRF_MACPHY_CON1 */
516 #define RK3328_MACPHY_RMII_MODE GRF_BIT(9)
518 static void rk3328_set_to_rgmii(struct rk_priv_data
*bsp_priv
,
519 int tx_delay
, int rx_delay
)
521 struct device
*dev
= &bsp_priv
->pdev
->dev
;
523 if (IS_ERR(bsp_priv
->grf
)) {
524 dev_err(dev
, "Missing rockchip,grf property\n");
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
);
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
));
539 static void rk3328_set_to_rmii(struct rk_priv_data
*bsp_priv
)
541 struct device
*dev
= &bsp_priv
->pdev
->dev
;
544 if (IS_ERR(bsp_priv
->grf
)) {
545 dev_err(dev
, "Missing rockchip,grf property\n");
549 reg
= bsp_priv
->integrated_phy
? RK3328_GRF_MAC_CON2
:
552 regmap_write(bsp_priv
->grf
, reg
,
553 RK3328_GMAC_PHY_INTF_SEL_RMII
|
554 RK3328_GMAC_RMII_MODE
);
557 static void rk3328_set_rgmii_speed(struct rk_priv_data
*bsp_priv
, int speed
)
559 struct device
*dev
= &bsp_priv
->pdev
->dev
;
561 if (IS_ERR(bsp_priv
->grf
)) {
562 dev_err(dev
, "Missing rockchip,grf property\n");
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
);
576 dev_err(dev
, "unknown speed value for RGMII! speed=%d", speed
);
579 static void rk3328_set_rmii_speed(struct rk_priv_data
*bsp_priv
, int speed
)
581 struct device
*dev
= &bsp_priv
->pdev
->dev
;
584 if (IS_ERR(bsp_priv
->grf
)) {
585 dev_err(dev
, "Missing rockchip,grf property\n");
589 reg
= bsp_priv
->integrated_phy
? RK3328_GRF_MAC_CON2
:
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
);
601 dev_err(dev
, "unknown speed value for RMII! speed=%d", speed
);
604 static void rk3328_integrated_phy_powerup(struct rk_priv_data
*priv
)
606 regmap_write(priv
->grf
, RK3328_GRF_MACPHY_CON1
,
607 RK3328_MACPHY_RMII_MODE
);
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
,
618 #define RK3366_GRF_SOC_CON6 0x0418
619 #define RK3366_GRF_SOC_CON7 0x041c
621 /* RK3366_GRF_SOC_CON6 */
622 #define RK3366_GMAC_PHY_INTF_SEL_RGMII (GRF_BIT(9) | GRF_CLR_BIT(10) | \
624 #define RK3366_GMAC_PHY_INTF_SEL_RMII (GRF_CLR_BIT(9) | GRF_CLR_BIT(10) | \
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)
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)
646 static void rk3366_set_to_rgmii(struct rk_priv_data
*bsp_priv
,
647 int tx_delay
, int rx_delay
)
649 struct device
*dev
= &bsp_priv
->pdev
->dev
;
651 if (IS_ERR(bsp_priv
->grf
)) {
652 dev_err(dev
, "%s: Missing rockchip,grf property\n", __func__
);
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
));
665 static void rk3366_set_to_rmii(struct rk_priv_data
*bsp_priv
)
667 struct device
*dev
= &bsp_priv
->pdev
->dev
;
669 if (IS_ERR(bsp_priv
->grf
)) {
670 dev_err(dev
, "%s: Missing rockchip,grf property\n", __func__
);
674 regmap_write(bsp_priv
->grf
, RK3366_GRF_SOC_CON6
,
675 RK3366_GMAC_PHY_INTF_SEL_RMII
| RK3366_GMAC_RMII_MODE
);
678 static void rk3366_set_rgmii_speed(struct rk_priv_data
*bsp_priv
, int speed
)
680 struct device
*dev
= &bsp_priv
->pdev
->dev
;
682 if (IS_ERR(bsp_priv
->grf
)) {
683 dev_err(dev
, "%s: Missing rockchip,grf property\n", __func__
);
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
);
697 dev_err(dev
, "unknown speed value for RGMII! speed=%d", speed
);
700 static void rk3366_set_rmii_speed(struct rk_priv_data
*bsp_priv
, int speed
)
702 struct device
*dev
= &bsp_priv
->pdev
->dev
;
704 if (IS_ERR(bsp_priv
->grf
)) {
705 dev_err(dev
, "%s: Missing rockchip,grf property\n", __func__
);
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
);
718 dev_err(dev
, "unknown speed value for RMII! speed=%d", speed
);
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
,
729 #define RK3368_GRF_SOC_CON15 0x043c
730 #define RK3368_GRF_SOC_CON16 0x0440
732 /* RK3368_GRF_SOC_CON15 */
733 #define RK3368_GMAC_PHY_INTF_SEL_RGMII (GRF_BIT(9) | GRF_CLR_BIT(10) | \
735 #define RK3368_GMAC_PHY_INTF_SEL_RMII (GRF_CLR_BIT(9) | GRF_CLR_BIT(10) | \
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)
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)
757 static void rk3368_set_to_rgmii(struct rk_priv_data
*bsp_priv
,
758 int tx_delay
, int rx_delay
)
760 struct device
*dev
= &bsp_priv
->pdev
->dev
;
762 if (IS_ERR(bsp_priv
->grf
)) {
763 dev_err(dev
, "%s: Missing rockchip,grf property\n", __func__
);
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
));
776 static void rk3368_set_to_rmii(struct rk_priv_data
*bsp_priv
)
778 struct device
*dev
= &bsp_priv
->pdev
->dev
;
780 if (IS_ERR(bsp_priv
->grf
)) {
781 dev_err(dev
, "%s: Missing rockchip,grf property\n", __func__
);
785 regmap_write(bsp_priv
->grf
, RK3368_GRF_SOC_CON15
,
786 RK3368_GMAC_PHY_INTF_SEL_RMII
| RK3368_GMAC_RMII_MODE
);
789 static void rk3368_set_rgmii_speed(struct rk_priv_data
*bsp_priv
, int speed
)
791 struct device
*dev
= &bsp_priv
->pdev
->dev
;
793 if (IS_ERR(bsp_priv
->grf
)) {
794 dev_err(dev
, "%s: Missing rockchip,grf property\n", __func__
);
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
);
808 dev_err(dev
, "unknown speed value for RGMII! speed=%d", speed
);
811 static void rk3368_set_rmii_speed(struct rk_priv_data
*bsp_priv
, int speed
)
813 struct device
*dev
= &bsp_priv
->pdev
->dev
;
815 if (IS_ERR(bsp_priv
->grf
)) {
816 dev_err(dev
, "%s: Missing rockchip,grf property\n", __func__
);
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
);
829 dev_err(dev
, "unknown speed value for RMII! speed=%d", speed
);
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
,
840 #define RK3399_GRF_SOC_CON5 0xc214
841 #define RK3399_GRF_SOC_CON6 0xc218
843 /* RK3399_GRF_SOC_CON5 */
844 #define RK3399_GMAC_PHY_INTF_SEL_RGMII (GRF_BIT(9) | GRF_CLR_BIT(10) | \
846 #define RK3399_GMAC_PHY_INTF_SEL_RMII (GRF_CLR_BIT(9) | GRF_CLR_BIT(10) | \
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)
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)
868 static void rk3399_set_to_rgmii(struct rk_priv_data
*bsp_priv
,
869 int tx_delay
, int rx_delay
)
871 struct device
*dev
= &bsp_priv
->pdev
->dev
;
873 if (IS_ERR(bsp_priv
->grf
)) {
874 dev_err(dev
, "%s: Missing rockchip,grf property\n", __func__
);
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
));
887 static void rk3399_set_to_rmii(struct rk_priv_data
*bsp_priv
)
889 struct device
*dev
= &bsp_priv
->pdev
->dev
;
891 if (IS_ERR(bsp_priv
->grf
)) {
892 dev_err(dev
, "%s: Missing rockchip,grf property\n", __func__
);
896 regmap_write(bsp_priv
->grf
, RK3399_GRF_SOC_CON5
,
897 RK3399_GMAC_PHY_INTF_SEL_RMII
| RK3399_GMAC_RMII_MODE
);
900 static void rk3399_set_rgmii_speed(struct rk_priv_data
*bsp_priv
, int speed
)
902 struct device
*dev
= &bsp_priv
->pdev
->dev
;
904 if (IS_ERR(bsp_priv
->grf
)) {
905 dev_err(dev
, "%s: Missing rockchip,grf property\n", __func__
);
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
);
919 dev_err(dev
, "unknown speed value for RGMII! speed=%d", speed
);
922 static void rk3399_set_rmii_speed(struct rk_priv_data
*bsp_priv
, int speed
)
924 struct device
*dev
= &bsp_priv
->pdev
->dev
;
926 if (IS_ERR(bsp_priv
->grf
)) {
927 dev_err(dev
, "%s: Missing rockchip,grf property\n", __func__
);
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
);
940 dev_err(dev
, "unknown speed value for RMII! speed=%d", speed
);
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
,
951 #define RV1108_GRF_GMAC_CON0 0X0900
953 /* RV1108_GRF_GMAC_CON0 */
954 #define RV1108_GMAC_PHY_INTF_SEL_RMII (GRF_CLR_BIT(4) | GRF_CLR_BIT(5) | \
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)
963 static void rv1108_set_to_rmii(struct rk_priv_data
*bsp_priv
)
965 struct device
*dev
= &bsp_priv
->pdev
->dev
;
967 if (IS_ERR(bsp_priv
->grf
)) {
968 dev_err(dev
, "%s: Missing rockchip,grf property\n", __func__
);
972 regmap_write(bsp_priv
->grf
, RV1108_GRF_GMAC_CON0
,
973 RV1108_GMAC_PHY_INTF_SEL_RMII
);
976 static void rv1108_set_rmii_speed(struct rk_priv_data
*bsp_priv
, int speed
)
978 struct device
*dev
= &bsp_priv
->pdev
->dev
;
980 if (IS_ERR(bsp_priv
->grf
)) {
981 dev_err(dev
, "%s: Missing rockchip,grf property\n", __func__
);
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
);
994 dev_err(dev
, "unknown speed value for RMII! speed=%d", speed
);
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
,
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
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)
1015 static void rk_gmac_integrated_phy_powerup(struct rk_priv_data
*priv
)
1017 if (priv
->ops
->integrated_phy_powerup
)
1018 priv
->ops
->integrated_phy_powerup(priv
);
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
);
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
);
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
);
1040 static void rk_gmac_integrated_phy_powerdown(struct rk_priv_data
*priv
)
1042 regmap_write(priv
->grf
, RK_GRF_MACPHY_CON0
, RK_MACPHY_DISABLE
);
1043 if (priv
->phy_reset
)
1044 reset_control_assert(priv
->phy_reset
);
1047 static int rk_gmac_clk_init(struct plat_stmmacenet_data
*plat
)
1049 struct rk_priv_data
*bsp_priv
= plat
->bsp_priv
;
1050 struct device
*dev
= &bsp_priv
->pdev
->dev
;
1053 bsp_priv
->clk_enabled
= false;
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",
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",
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",
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",
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",
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",
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",
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");
1099 if (bsp_priv
->clock_input
) {
1100 dev_info(dev
, "clock input from PHY\n");
1102 if (bsp_priv
->phy_iface
== PHY_INTERFACE_MODE_RMII
)
1103 clk_set_rate(bsp_priv
->clk_mac
, 50000000);
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
);
1113 clk_set_rate(bsp_priv
->clk_phy
, 50000000);
1119 static int gmac_clk_enable(struct rk_priv_data
*bsp_priv
, bool enable
)
1121 int phy_iface
= bsp_priv
->phy_iface
;
1124 if (!bsp_priv
->clk_enabled
) {
1125 if (phy_iface
== PHY_INTERFACE_MODE_RMII
) {
1126 if (!IS_ERR(bsp_priv
->mac_clk_rx
))
1128 bsp_priv
->mac_clk_rx
);
1130 if (!IS_ERR(bsp_priv
->clk_mac_ref
))
1132 bsp_priv
->clk_mac_ref
);
1134 if (!IS_ERR(bsp_priv
->clk_mac_refout
))
1136 bsp_priv
->clk_mac_refout
);
1139 if (!IS_ERR(bsp_priv
->clk_phy
))
1140 clk_prepare_enable(bsp_priv
->clk_phy
);
1142 if (!IS_ERR(bsp_priv
->aclk_mac
))
1143 clk_prepare_enable(bsp_priv
->aclk_mac
);
1145 if (!IS_ERR(bsp_priv
->pclk_mac
))
1146 clk_prepare_enable(bsp_priv
->pclk_mac
);
1148 if (!IS_ERR(bsp_priv
->mac_clk_tx
))
1149 clk_prepare_enable(bsp_priv
->mac_clk_tx
);
1151 if (!IS_ERR(bsp_priv
->clk_mac_speed
))
1152 clk_prepare_enable(bsp_priv
->clk_mac_speed
);
1155 * if (!IS_ERR(bsp_priv->clk_mac))
1156 * clk_prepare_enable(bsp_priv->clk_mac);
1159 bsp_priv
->clk_enabled
= true;
1162 if (bsp_priv
->clk_enabled
) {
1163 if (phy_iface
== PHY_INTERFACE_MODE_RMII
) {
1164 clk_disable_unprepare(bsp_priv
->mac_clk_rx
);
1166 clk_disable_unprepare(bsp_priv
->clk_mac_ref
);
1168 clk_disable_unprepare(bsp_priv
->clk_mac_refout
);
1171 clk_disable_unprepare(bsp_priv
->clk_phy
);
1173 clk_disable_unprepare(bsp_priv
->aclk_mac
);
1175 clk_disable_unprepare(bsp_priv
->pclk_mac
);
1177 clk_disable_unprepare(bsp_priv
->mac_clk_tx
);
1179 clk_disable_unprepare(bsp_priv
->clk_mac_speed
);
1181 * if (!IS_ERR(bsp_priv->clk_mac))
1182 * clk_disable_unprepare(bsp_priv->clk_mac);
1184 bsp_priv
->clk_enabled
= false;
1191 static int phy_power_on(struct rk_priv_data
*bsp_priv
, bool enable
)
1193 struct regulator
*ldo
= bsp_priv
->regulator
;
1195 struct device
*dev
= &bsp_priv
->pdev
->dev
;
1201 ret
= regulator_enable(ldo
);
1203 dev_err(dev
, "fail to enable phy-supply\n");
1205 ret
= regulator_disable(ldo
);
1207 dev_err(dev
, "fail to disable phy-supply\n");
1213 static struct rk_priv_data
*rk_gmac_setup(struct platform_device
*pdev
,
1214 struct plat_stmmacenet_data
*plat
,
1215 const struct rk_gmac_ops
*ops
)
1217 struct rk_priv_data
*bsp_priv
;
1218 struct device
*dev
= &pdev
->dev
;
1220 const char *strings
= NULL
;
1223 bsp_priv
= devm_kzalloc(dev
, sizeof(*bsp_priv
), GFP_KERNEL
);
1225 return ERR_PTR(-ENOMEM
);
1227 of_get_phy_mode(dev
->of_node
, &bsp_priv
->phy_iface
);
1228 bsp_priv
->ops
= ops
;
1230 bsp_priv
->regulator
= devm_regulator_get_optional(dev
, "phy");
1231 if (IS_ERR(bsp_priv
->regulator
)) {
1232 if (PTR_ERR(bsp_priv
->regulator
) == -EPROBE_DEFER
) {
1233 dev_err(dev
, "phy regulator is not available yet, deferred probing\n");
1234 return ERR_PTR(-EPROBE_DEFER
);
1236 dev_err(dev
, "no regulator found\n");
1237 bsp_priv
->regulator
= NULL
;
1240 ret
= of_property_read_string(dev
->of_node
, "clock_in_out", &strings
);
1242 dev_err(dev
, "Can not read property: clock_in_out.\n");
1243 bsp_priv
->clock_input
= true;
1245 dev_info(dev
, "clock input or output? (%s).\n",
1247 if (!strcmp(strings
, "input"))
1248 bsp_priv
->clock_input
= true;
1250 bsp_priv
->clock_input
= false;
1253 ret
= of_property_read_u32(dev
->of_node
, "tx_delay", &value
);
1255 bsp_priv
->tx_delay
= 0x30;
1256 dev_err(dev
, "Can not read property: tx_delay.");
1257 dev_err(dev
, "set tx_delay to 0x%x\n",
1258 bsp_priv
->tx_delay
);
1260 dev_info(dev
, "TX delay(0x%x).\n", value
);
1261 bsp_priv
->tx_delay
= value
;
1264 ret
= of_property_read_u32(dev
->of_node
, "rx_delay", &value
);
1266 bsp_priv
->rx_delay
= 0x10;
1267 dev_err(dev
, "Can not read property: rx_delay.");
1268 dev_err(dev
, "set rx_delay to 0x%x\n",
1269 bsp_priv
->rx_delay
);
1271 dev_info(dev
, "RX delay(0x%x).\n", value
);
1272 bsp_priv
->rx_delay
= value
;
1275 bsp_priv
->grf
= syscon_regmap_lookup_by_phandle(dev
->of_node
,
1278 if (plat
->phy_node
) {
1279 bsp_priv
->integrated_phy
= of_property_read_bool(plat
->phy_node
,
1280 "phy-is-integrated");
1281 if (bsp_priv
->integrated_phy
) {
1282 bsp_priv
->phy_reset
= of_reset_control_get(plat
->phy_node
, NULL
);
1283 if (IS_ERR(bsp_priv
->phy_reset
)) {
1284 dev_err(&pdev
->dev
, "No PHY reset control found.\n");
1285 bsp_priv
->phy_reset
= NULL
;
1289 dev_info(dev
, "integrated PHY? (%s).\n",
1290 bsp_priv
->integrated_phy
? "yes" : "no");
1292 bsp_priv
->pdev
= pdev
;
1297 static int rk_gmac_powerup(struct rk_priv_data
*bsp_priv
)
1300 struct device
*dev
= &bsp_priv
->pdev
->dev
;
1302 ret
= gmac_clk_enable(bsp_priv
, true);
1307 switch (bsp_priv
->phy_iface
) {
1308 case PHY_INTERFACE_MODE_RGMII
:
1309 dev_info(dev
, "init for RGMII\n");
1310 bsp_priv
->ops
->set_to_rgmii(bsp_priv
, bsp_priv
->tx_delay
,
1311 bsp_priv
->rx_delay
);
1313 case PHY_INTERFACE_MODE_RGMII_ID
:
1314 dev_info(dev
, "init for RGMII_ID\n");
1315 bsp_priv
->ops
->set_to_rgmii(bsp_priv
, 0, 0);
1317 case PHY_INTERFACE_MODE_RGMII_RXID
:
1318 dev_info(dev
, "init for RGMII_RXID\n");
1319 bsp_priv
->ops
->set_to_rgmii(bsp_priv
, bsp_priv
->tx_delay
, 0);
1321 case PHY_INTERFACE_MODE_RGMII_TXID
:
1322 dev_info(dev
, "init for RGMII_TXID\n");
1323 bsp_priv
->ops
->set_to_rgmii(bsp_priv
, 0, bsp_priv
->rx_delay
);
1325 case PHY_INTERFACE_MODE_RMII
:
1326 dev_info(dev
, "init for RMII\n");
1327 bsp_priv
->ops
->set_to_rmii(bsp_priv
);
1330 dev_err(dev
, "NO interface defined!\n");
1333 ret
= phy_power_on(bsp_priv
, true);
1335 gmac_clk_enable(bsp_priv
, false);
1339 pm_runtime_enable(dev
);
1340 pm_runtime_get_sync(dev
);
1342 if (bsp_priv
->integrated_phy
)
1343 rk_gmac_integrated_phy_powerup(bsp_priv
);
1348 static void rk_gmac_powerdown(struct rk_priv_data
*gmac
)
1350 struct device
*dev
= &gmac
->pdev
->dev
;
1352 if (gmac
->integrated_phy
)
1353 rk_gmac_integrated_phy_powerdown(gmac
);
1355 pm_runtime_put_sync(dev
);
1356 pm_runtime_disable(dev
);
1358 phy_power_on(gmac
, false);
1359 gmac_clk_enable(gmac
, false);
1362 static void rk_fix_speed(void *priv
, unsigned int speed
)
1364 struct rk_priv_data
*bsp_priv
= priv
;
1365 struct device
*dev
= &bsp_priv
->pdev
->dev
;
1367 switch (bsp_priv
->phy_iface
) {
1368 case PHY_INTERFACE_MODE_RGMII
:
1369 case PHY_INTERFACE_MODE_RGMII_ID
:
1370 case PHY_INTERFACE_MODE_RGMII_RXID
:
1371 case PHY_INTERFACE_MODE_RGMII_TXID
:
1372 bsp_priv
->ops
->set_rgmii_speed(bsp_priv
, speed
);
1374 case PHY_INTERFACE_MODE_RMII
:
1375 bsp_priv
->ops
->set_rmii_speed(bsp_priv
, speed
);
1378 dev_err(dev
, "unsupported interface %d", bsp_priv
->phy_iface
);
1382 static int rk_gmac_probe(struct platform_device
*pdev
)
1384 struct plat_stmmacenet_data
*plat_dat
;
1385 struct stmmac_resources stmmac_res
;
1386 const struct rk_gmac_ops
*data
;
1389 data
= of_device_get_match_data(&pdev
->dev
);
1391 dev_err(&pdev
->dev
, "no of match data provided\n");
1395 ret
= stmmac_get_platform_resources(pdev
, &stmmac_res
);
1399 plat_dat
= stmmac_probe_config_dt(pdev
, &stmmac_res
.mac
);
1400 if (IS_ERR(plat_dat
))
1401 return PTR_ERR(plat_dat
);
1403 plat_dat
->has_gmac
= true;
1404 plat_dat
->fix_mac_speed
= rk_fix_speed
;
1406 plat_dat
->bsp_priv
= rk_gmac_setup(pdev
, plat_dat
, data
);
1407 if (IS_ERR(plat_dat
->bsp_priv
)) {
1408 ret
= PTR_ERR(plat_dat
->bsp_priv
);
1409 goto err_remove_config_dt
;
1412 ret
= rk_gmac_clk_init(plat_dat
);
1416 ret
= rk_gmac_powerup(plat_dat
->bsp_priv
);
1418 goto err_remove_config_dt
;
1420 ret
= stmmac_dvr_probe(&pdev
->dev
, plat_dat
, &stmmac_res
);
1422 goto err_gmac_powerdown
;
1427 rk_gmac_powerdown(plat_dat
->bsp_priv
);
1428 err_remove_config_dt
:
1429 stmmac_remove_config_dt(pdev
, plat_dat
);
1434 static int rk_gmac_remove(struct platform_device
*pdev
)
1436 struct rk_priv_data
*bsp_priv
= get_stmmac_bsp_priv(&pdev
->dev
);
1437 int ret
= stmmac_dvr_remove(&pdev
->dev
);
1439 rk_gmac_powerdown(bsp_priv
);
1444 #ifdef CONFIG_PM_SLEEP
1445 static int rk_gmac_suspend(struct device
*dev
)
1447 struct rk_priv_data
*bsp_priv
= get_stmmac_bsp_priv(dev
);
1448 int ret
= stmmac_suspend(dev
);
1450 /* Keep the PHY up if we use Wake-on-Lan. */
1451 if (!device_may_wakeup(dev
)) {
1452 rk_gmac_powerdown(bsp_priv
);
1453 bsp_priv
->suspended
= true;
1459 static int rk_gmac_resume(struct device
*dev
)
1461 struct rk_priv_data
*bsp_priv
= get_stmmac_bsp_priv(dev
);
1463 /* The PHY was up for Wake-on-Lan. */
1464 if (bsp_priv
->suspended
) {
1465 rk_gmac_powerup(bsp_priv
);
1466 bsp_priv
->suspended
= false;
1469 return stmmac_resume(dev
);
1471 #endif /* CONFIG_PM_SLEEP */
1473 static SIMPLE_DEV_PM_OPS(rk_gmac_pm_ops
, rk_gmac_suspend
, rk_gmac_resume
);
1475 static const struct of_device_id rk_gmac_dwmac_match
[] = {
1476 { .compatible
= "rockchip,px30-gmac", .data
= &px30_ops
},
1477 { .compatible
= "rockchip,rk3128-gmac", .data
= &rk3128_ops
},
1478 { .compatible
= "rockchip,rk3228-gmac", .data
= &rk3228_ops
},
1479 { .compatible
= "rockchip,rk3288-gmac", .data
= &rk3288_ops
},
1480 { .compatible
= "rockchip,rk3328-gmac", .data
= &rk3328_ops
},
1481 { .compatible
= "rockchip,rk3366-gmac", .data
= &rk3366_ops
},
1482 { .compatible
= "rockchip,rk3368-gmac", .data
= &rk3368_ops
},
1483 { .compatible
= "rockchip,rk3399-gmac", .data
= &rk3399_ops
},
1484 { .compatible
= "rockchip,rv1108-gmac", .data
= &rv1108_ops
},
1487 MODULE_DEVICE_TABLE(of
, rk_gmac_dwmac_match
);
1489 static struct platform_driver rk_gmac_dwmac_driver
= {
1490 .probe
= rk_gmac_probe
,
1491 .remove
= rk_gmac_remove
,
1493 .name
= "rk_gmac-dwmac",
1494 .pm
= &rk_gmac_pm_ops
,
1495 .of_match_table
= rk_gmac_dwmac_match
,
1498 module_platform_driver(rk_gmac_dwmac_driver
);
1500 MODULE_AUTHOR("Chen-Zhi (Roger Chen) <roger.chen@rock-chips.com>");
1501 MODULE_DESCRIPTION("Rockchip RK3288 DWMAC specific glue layer");
1502 MODULE_LICENSE("GPL");