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Diffstat (limited to 'arch/arm/mach-mxs/mach-mx28evk.c')
-rw-r--r--arch/arm/mach-mxs/mach-mx28evk.c237
1 files changed, 198 insertions, 39 deletions
diff --git a/arch/arm/mach-mxs/mach-mx28evk.c b/arch/arm/mach-mxs/mach-mx28evk.c
index 8e2c5975001e..08002d02267a 100644
--- a/arch/arm/mach-mxs/mach-mx28evk.c
+++ b/arch/arm/mach-mxs/mach-mx28evk.c
@@ -28,54 +28,93 @@
28#include "devices-mx28.h" 28#include "devices-mx28.h"
29#include "gpio.h" 29#include "gpio.h"
30 30
31#define MX28EVK_FLEXCAN_SWITCH MXS_GPIO_NR(2, 13)
31#define MX28EVK_FEC_PHY_POWER MXS_GPIO_NR(2, 15) 32#define MX28EVK_FEC_PHY_POWER MXS_GPIO_NR(2, 15)
33#define MX28EVK_BL_ENABLE MXS_GPIO_NR(3, 18)
34#define MX28EVK_LCD_ENABLE MXS_GPIO_NR(3, 30)
32#define MX28EVK_FEC_PHY_RESET MXS_GPIO_NR(4, 13) 35#define MX28EVK_FEC_PHY_RESET MXS_GPIO_NR(4, 13)
33 36
34static const iomux_cfg_t mx28evk_pads[] __initconst = { 37static const iomux_cfg_t mx28evk_pads[] __initconst = {
35 /* duart */ 38 /* duart */
36 MX28_PAD_PWM0__DUART_RX | 39 MX28_PAD_PWM0__DUART_RX | MXS_PAD_CTRL,
37 (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), 40 MX28_PAD_PWM1__DUART_TX | MXS_PAD_CTRL,
38 MX28_PAD_PWM1__DUART_TX |
39 (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
40 41
42 /* auart0 */
43 MX28_PAD_AUART0_RX__AUART0_RX | MXS_PAD_CTRL,
44 MX28_PAD_AUART0_TX__AUART0_TX | MXS_PAD_CTRL,
45 MX28_PAD_AUART0_CTS__AUART0_CTS | MXS_PAD_CTRL,
46 MX28_PAD_AUART0_RTS__AUART0_RTS | MXS_PAD_CTRL,
47 /* auart3 */
48 MX28_PAD_AUART3_RX__AUART3_RX | MXS_PAD_CTRL,
49 MX28_PAD_AUART3_TX__AUART3_TX | MXS_PAD_CTRL,
50 MX28_PAD_AUART3_CTS__AUART3_CTS | MXS_PAD_CTRL,
51 MX28_PAD_AUART3_RTS__AUART3_RTS | MXS_PAD_CTRL,
52
53#define MXS_PAD_FEC (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP)
41 /* fec0 */ 54 /* fec0 */
42 MX28_PAD_ENET0_MDC__ENET0_MDC | 55 MX28_PAD_ENET0_MDC__ENET0_MDC | MXS_PAD_FEC,
43 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), 56 MX28_PAD_ENET0_MDIO__ENET0_MDIO | MXS_PAD_FEC,
44 MX28_PAD_ENET0_MDIO__ENET0_MDIO | 57 MX28_PAD_ENET0_RX_EN__ENET0_RX_EN | MXS_PAD_FEC,
45 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), 58 MX28_PAD_ENET0_RXD0__ENET0_RXD0 | MXS_PAD_FEC,
46 MX28_PAD_ENET0_RX_EN__ENET0_RX_EN | 59 MX28_PAD_ENET0_RXD1__ENET0_RXD1 | MXS_PAD_FEC,
47 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), 60 MX28_PAD_ENET0_TX_EN__ENET0_TX_EN | MXS_PAD_FEC,
48 MX28_PAD_ENET0_RXD0__ENET0_RXD0 | 61 MX28_PAD_ENET0_TXD0__ENET0_TXD0 | MXS_PAD_FEC,
49 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), 62 MX28_PAD_ENET0_TXD1__ENET0_TXD1 | MXS_PAD_FEC,
50 MX28_PAD_ENET0_RXD1__ENET0_RXD1 | 63 MX28_PAD_ENET_CLK__CLKCTRL_ENET | MXS_PAD_FEC,
51 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
52 MX28_PAD_ENET0_TX_EN__ENET0_TX_EN |
53 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
54 MX28_PAD_ENET0_TXD0__ENET0_TXD0 |
55 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
56 MX28_PAD_ENET0_TXD1__ENET0_TXD1 |
57 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
58 MX28_PAD_ENET_CLK__CLKCTRL_ENET |
59 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
60 /* fec1 */ 64 /* fec1 */
61 MX28_PAD_ENET0_CRS__ENET1_RX_EN | 65 MX28_PAD_ENET0_CRS__ENET1_RX_EN | MXS_PAD_FEC,
62 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), 66 MX28_PAD_ENET0_RXD2__ENET1_RXD0 | MXS_PAD_FEC,
63 MX28_PAD_ENET0_RXD2__ENET1_RXD0 | 67 MX28_PAD_ENET0_RXD3__ENET1_RXD1 | MXS_PAD_FEC,
64 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), 68 MX28_PAD_ENET0_COL__ENET1_TX_EN | MXS_PAD_FEC,
65 MX28_PAD_ENET0_RXD3__ENET1_RXD1 | 69 MX28_PAD_ENET0_TXD2__ENET1_TXD0 | MXS_PAD_FEC,
66 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), 70 MX28_PAD_ENET0_TXD3__ENET1_TXD1 | MXS_PAD_FEC,
67 MX28_PAD_ENET0_COL__ENET1_TX_EN |
68 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
69 MX28_PAD_ENET0_TXD2__ENET1_TXD0 |
70 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
71 MX28_PAD_ENET0_TXD3__ENET1_TXD1 |
72 (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
73 /* phy power line */ 71 /* phy power line */
74 MX28_PAD_SSP1_DATA3__GPIO_2_15 | 72 MX28_PAD_SSP1_DATA3__GPIO_2_15 | MXS_PAD_CTRL,
75 (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
76 /* phy reset line */ 73 /* phy reset line */
77 MX28_PAD_ENET0_RX_CLK__GPIO_4_13 | 74 MX28_PAD_ENET0_RX_CLK__GPIO_4_13 | MXS_PAD_CTRL,
78 (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL), 75
76 /* flexcan0 */
77 MX28_PAD_GPMI_RDY2__CAN0_TX,
78 MX28_PAD_GPMI_RDY3__CAN0_RX,
79 /* flexcan1 */
80 MX28_PAD_GPMI_CE2N__CAN1_TX,
81 MX28_PAD_GPMI_CE3N__CAN1_RX,
82 /* transceiver power control */
83 MX28_PAD_SSP1_CMD__GPIO_2_13,
84
85 /* mxsfb (lcdif) */
86 MX28_PAD_LCD_D00__LCD_D0 | MXS_PAD_CTRL,
87 MX28_PAD_LCD_D01__LCD_D1 | MXS_PAD_CTRL,
88 MX28_PAD_LCD_D02__LCD_D2 | MXS_PAD_CTRL,
89 MX28_PAD_LCD_D03__LCD_D3 | MXS_PAD_CTRL,
90 MX28_PAD_LCD_D04__LCD_D4 | MXS_PAD_CTRL,
91 MX28_PAD_LCD_D05__LCD_D5 | MXS_PAD_CTRL,
92 MX28_PAD_LCD_D06__LCD_D6 | MXS_PAD_CTRL,
93 MX28_PAD_LCD_D07__LCD_D7 | MXS_PAD_CTRL,
94 MX28_PAD_LCD_D08__LCD_D8 | MXS_PAD_CTRL,
95 MX28_PAD_LCD_D09__LCD_D9 | MXS_PAD_CTRL,
96 MX28_PAD_LCD_D10__LCD_D10 | MXS_PAD_CTRL,
97 MX28_PAD_LCD_D11__LCD_D11 | MXS_PAD_CTRL,
98 MX28_PAD_LCD_D12__LCD_D12 | MXS_PAD_CTRL,
99 MX28_PAD_LCD_D13__LCD_D13 | MXS_PAD_CTRL,
100 MX28_PAD_LCD_D14__LCD_D14 | MXS_PAD_CTRL,
101 MX28_PAD_LCD_D15__LCD_D15 | MXS_PAD_CTRL,
102 MX28_PAD_LCD_D16__LCD_D16 | MXS_PAD_CTRL,
103 MX28_PAD_LCD_D17__LCD_D17 | MXS_PAD_CTRL,
104 MX28_PAD_LCD_D18__LCD_D18 | MXS_PAD_CTRL,
105 MX28_PAD_LCD_D19__LCD_D19 | MXS_PAD_CTRL,
106 MX28_PAD_LCD_D20__LCD_D20 | MXS_PAD_CTRL,
107 MX28_PAD_LCD_D21__LCD_D21 | MXS_PAD_CTRL,
108 MX28_PAD_LCD_D22__LCD_D22 | MXS_PAD_CTRL,
109 MX28_PAD_LCD_D23__LCD_D23 | MXS_PAD_CTRL,
110 MX28_PAD_LCD_RD_E__LCD_VSYNC | MXS_PAD_CTRL,
111 MX28_PAD_LCD_WR_RWN__LCD_HSYNC | MXS_PAD_CTRL,
112 MX28_PAD_LCD_RS__LCD_DOTCLK | MXS_PAD_CTRL,
113 MX28_PAD_LCD_CS__LCD_ENABLE | MXS_PAD_CTRL,
114 /* LCD panel enable */
115 MX28_PAD_LCD_RESET__GPIO_3_30 | MXS_PAD_CTRL,
116 /* backlight control */
117 MX28_PAD_PWM2__GPIO_3_18 | MXS_PAD_CTRL,
79}; 118};
80 119
81/* fec */ 120/* fec */
@@ -119,7 +158,7 @@ static void __init mx28evk_fec_reset(void)
119 gpio_set_value(MX28EVK_FEC_PHY_RESET, 1); 158 gpio_set_value(MX28EVK_FEC_PHY_RESET, 1);
120} 159}
121 160
122static struct fec_platform_data mx28_fec_pdata[] = { 161static struct fec_platform_data mx28_fec_pdata[] __initdata = {
123 { 162 {
124 /* fec0 */ 163 /* fec0 */
125 .phy = PHY_INTERFACE_MODE_RMII, 164 .phy = PHY_INTERFACE_MODE_RMII,
@@ -129,15 +168,135 @@ static struct fec_platform_data mx28_fec_pdata[] = {
129 }, 168 },
130}; 169};
131 170
171static int __init mx28evk_fec_get_mac(void)
172{
173 int i;
174 u32 val;
175 const u32 *ocotp = mxs_get_ocotp();
176
177 if (!ocotp)
178 goto error;
179
180 /*
181 * OCOTP only stores the last 4 octets for each mac address,
182 * so hard-code Freescale OUI (00:04:9f) here.
183 */
184 for (i = 0; i < 2; i++) {
185 val = ocotp[i * 4];
186 mx28_fec_pdata[i].mac[0] = 0x00;
187 mx28_fec_pdata[i].mac[1] = 0x04;
188 mx28_fec_pdata[i].mac[2] = 0x9f;
189 mx28_fec_pdata[i].mac[3] = (val >> 16) & 0xff;
190 mx28_fec_pdata[i].mac[4] = (val >> 8) & 0xff;
191 mx28_fec_pdata[i].mac[5] = (val >> 0) & 0xff;
192 }
193
194 return 0;
195
196error:
197 pr_err("%s: timeout when reading fec mac from OCOTP\n", __func__);
198 return -ETIMEDOUT;
199}
200
201/*
202 * MX28EVK_FLEXCAN_SWITCH is shared between both flexcan controllers
203 */
204static int flexcan0_en, flexcan1_en;
205
206static void mx28evk_flexcan_switch(void)
207{
208 if (flexcan0_en || flexcan1_en)
209 gpio_set_value(MX28EVK_FLEXCAN_SWITCH, 1);
210 else
211 gpio_set_value(MX28EVK_FLEXCAN_SWITCH, 0);
212}
213
214static void mx28evk_flexcan0_switch(int enable)
215{
216 flexcan0_en = enable;
217 mx28evk_flexcan_switch();
218}
219
220static void mx28evk_flexcan1_switch(int enable)
221{
222 flexcan1_en = enable;
223 mx28evk_flexcan_switch();
224}
225
226static const struct flexcan_platform_data
227 mx28evk_flexcan_pdata[] __initconst = {
228 {
229 .transceiver_switch = mx28evk_flexcan0_switch,
230 }, {
231 .transceiver_switch = mx28evk_flexcan1_switch,
232 }
233};
234
235/* mxsfb (lcdif) */
236static struct fb_videomode mx28evk_video_modes[] = {
237 {
238 .name = "Seiko-43WVF1G",
239 .refresh = 60,
240 .xres = 800,
241 .yres = 480,
242 .pixclock = 29851, /* picosecond (33.5 MHz) */
243 .left_margin = 89,
244 .right_margin = 164,
245 .upper_margin = 23,
246 .lower_margin = 10,
247 .hsync_len = 10,
248 .vsync_len = 10,
249 .sync = FB_SYNC_DATA_ENABLE_HIGH_ACT |
250 FB_SYNC_DOTCLK_FAILING_ACT,
251 },
252};
253
254static const struct mxsfb_platform_data mx28evk_mxsfb_pdata __initconst = {
255 .mode_list = mx28evk_video_modes,
256 .mode_count = ARRAY_SIZE(mx28evk_video_modes),
257 .default_bpp = 32,
258 .ld_intf_width = STMLCDIF_24BIT,
259};
260
132static void __init mx28evk_init(void) 261static void __init mx28evk_init(void)
133{ 262{
263 int ret;
264
134 mxs_iomux_setup_multiple_pads(mx28evk_pads, ARRAY_SIZE(mx28evk_pads)); 265 mxs_iomux_setup_multiple_pads(mx28evk_pads, ARRAY_SIZE(mx28evk_pads));
135 266
136 mx28_add_duart(); 267 mx28_add_duart();
268 mx28_add_auart0();
269 mx28_add_auart3();
270
271 if (mx28evk_fec_get_mac())
272 pr_warn("%s: failed on fec mac setup\n", __func__);
137 273
138 mx28evk_fec_reset(); 274 mx28evk_fec_reset();
139 mx28_add_fec(0, &mx28_fec_pdata[0]); 275 mx28_add_fec(0, &mx28_fec_pdata[0]);
140 mx28_add_fec(1, &mx28_fec_pdata[1]); 276 mx28_add_fec(1, &mx28_fec_pdata[1]);
277
278 ret = gpio_request_one(MX28EVK_FLEXCAN_SWITCH, GPIOF_DIR_OUT,
279 "flexcan-switch");
280 if (ret) {
281 pr_err("failed to request gpio flexcan-switch: %d\n", ret);
282 } else {
283 mx28_add_flexcan(0, &mx28evk_flexcan_pdata[0]);
284 mx28_add_flexcan(1, &mx28evk_flexcan_pdata[1]);
285 }
286
287 ret = gpio_request_one(MX28EVK_LCD_ENABLE, GPIOF_DIR_OUT, "lcd-enable");
288 if (ret)
289 pr_warn("failed to request gpio lcd-enable: %d\n", ret);
290 else
291 gpio_set_value(MX28EVK_LCD_ENABLE, 1);
292
293 ret = gpio_request_one(MX28EVK_BL_ENABLE, GPIOF_DIR_OUT, "bl-enable");
294 if (ret)
295 pr_warn("failed to request gpio bl-enable: %d\n", ret);
296 else
297 gpio_set_value(MX28EVK_BL_ENABLE, 1);
298
299 mx28_add_mxsfb(&mx28evk_mxsfb_pdata);
141} 300}
142 301
143static void __init mx28evk_timer_init(void) 302static void __init mx28evk_timer_init(void)
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