1
2
3
4
5
6
7
8
9
10#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
11
12#include <linux/kernel.h>
13#include <linux/init.h>
14#include <linux/platform_device.h>
15#include <linux/irq.h>
16#include <linux/gpio.h>
17#include <linux/gpio/machine.h>
18#include <linux/fb.h>
19#include <linux/io.h>
20#include <linux/mtd/partitions.h>
21#include <linux/i2c.h>
22#include <linux/platform_data/pca953x.h>
23#include <linux/spi/spi.h>
24#include <linux/spi/flash.h>
25#include <linux/spi/mmc_spi.h>
26#include <linux/mmc/host.h>
27
28#include <sound/cs4271.h>
29
30#include "hardware.h"
31#include <linux/platform_data/video-ep93xx.h>
32#include <linux/platform_data/spi-ep93xx.h>
33#include "gpio-ep93xx.h"
34
35#include <asm/mach-types.h>
36#include <asm/mach/map.h>
37#include <asm/mach/arch.h>
38
39#include "soc.h"
40
41
42
43
44#define VISION_PHYS_BASE EP93XX_CS7_PHYS_BASE
45#define VISION_VIRT_BASE 0xfebff000
46
47static struct map_desc vision_io_desc[] __initdata = {
48 {
49 .virtual = VISION_VIRT_BASE,
50 .pfn = __phys_to_pfn(VISION_PHYS_BASE),
51 .length = SZ_4K,
52 .type = MT_DEVICE,
53 },
54};
55
56static void __init vision_map_io(void)
57{
58 ep93xx_map_io();
59
60 iotable_init(vision_io_desc, ARRAY_SIZE(vision_io_desc));
61}
62
63
64
65
66static struct ep93xx_eth_data vision_eth_data __initdata = {
67 .phy_id = 1,
68};
69
70
71
72
73#define VISION_LCD_ENABLE EP93XX_GPIO_LINE_EGPIO1
74
75static int vision_lcd_setup(struct platform_device *pdev)
76{
77 int err;
78
79 err = gpio_request_one(VISION_LCD_ENABLE, GPIOF_INIT_HIGH,
80 dev_name(&pdev->dev));
81 if (err)
82 return err;
83
84 ep93xx_devcfg_clear_bits(EP93XX_SYSCON_DEVCFG_RAS |
85 EP93XX_SYSCON_DEVCFG_RASONP3 |
86 EP93XX_SYSCON_DEVCFG_EXVC);
87
88 return 0;
89}
90
91static void vision_lcd_teardown(struct platform_device *pdev)
92{
93 gpio_free(VISION_LCD_ENABLE);
94}
95
96static void vision_lcd_blank(int blank_mode, struct fb_info *info)
97{
98 if (blank_mode)
99 gpio_set_value(VISION_LCD_ENABLE, 0);
100 else
101 gpio_set_value(VISION_LCD_ENABLE, 1);
102}
103
104static struct ep93xxfb_mach_info ep93xxfb_info __initdata = {
105 .flags = EP93XXFB_USE_SDCSN0 | EP93XXFB_PCLK_FALLING,
106 .setup = vision_lcd_setup,
107 .teardown = vision_lcd_teardown,
108 .blank = vision_lcd_blank,
109};
110
111
112
113
114
115#define PCA9539_74_GPIO_BASE (EP93XX_GPIO_LINE_MAX + 1)
116#define PCA9539_75_GPIO_BASE (PCA9539_74_GPIO_BASE + 16)
117#define PCA9539_76_GPIO_BASE (PCA9539_75_GPIO_BASE + 16)
118#define PCA9539_77_GPIO_BASE (PCA9539_76_GPIO_BASE + 16)
119
120static struct pca953x_platform_data pca953x_74_gpio_data = {
121 .gpio_base = PCA9539_74_GPIO_BASE,
122 .irq_base = EP93XX_BOARD_IRQ(0),
123};
124
125static struct pca953x_platform_data pca953x_75_gpio_data = {
126 .gpio_base = PCA9539_75_GPIO_BASE,
127 .irq_base = -1,
128};
129
130static struct pca953x_platform_data pca953x_76_gpio_data = {
131 .gpio_base = PCA9539_76_GPIO_BASE,
132 .irq_base = -1,
133};
134
135static struct pca953x_platform_data pca953x_77_gpio_data = {
136 .gpio_base = PCA9539_77_GPIO_BASE,
137 .irq_base = -1,
138};
139
140
141
142
143
144static struct i2c_board_info vision_i2c_info[] __initdata = {
145 {
146 I2C_BOARD_INFO("isl1208", 0x6f),
147 .irq = IRQ_EP93XX_EXT1,
148 }, {
149 I2C_BOARD_INFO("pca9539", 0x74),
150 .platform_data = &pca953x_74_gpio_data,
151 }, {
152 I2C_BOARD_INFO("pca9539", 0x75),
153 .platform_data = &pca953x_75_gpio_data,
154 }, {
155 I2C_BOARD_INFO("pca9539", 0x76),
156 .platform_data = &pca953x_76_gpio_data,
157 }, {
158 I2C_BOARD_INFO("pca9539", 0x77),
159 .platform_data = &pca953x_77_gpio_data,
160 },
161};
162
163
164
165
166static struct cs4271_platform_data vision_cs4271_data = {
167 .gpio_nreset = EP93XX_GPIO_LINE_H(2),
168};
169
170
171
172
173static struct mtd_partition vision_spi_flash_partitions[] = {
174 {
175 .name = "SPI bootstrap",
176 .offset = 0,
177 .size = SZ_4K,
178 }, {
179 .name = "Bootstrap config",
180 .offset = MTDPART_OFS_APPEND,
181 .size = SZ_4K,
182 }, {
183 .name = "System config",
184 .offset = MTDPART_OFS_APPEND,
185 .size = MTDPART_SIZ_FULL,
186 },
187};
188
189static struct flash_platform_data vision_spi_flash_data = {
190 .name = "SPI Flash",
191 .parts = vision_spi_flash_partitions,
192 .nr_parts = ARRAY_SIZE(vision_spi_flash_partitions),
193};
194
195
196
197
198static struct mmc_spi_platform_data vision_spi_mmc_data = {
199 .detect_delay = 100,
200 .powerup_msecs = 100,
201 .ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
202 .caps2 = MMC_CAP2_RO_ACTIVE_HIGH,
203};
204
205static struct gpiod_lookup_table vision_spi_mmc_gpio_table = {
206 .dev_id = "mmc_spi.2",
207 .table = {
208
209 GPIO_LOOKUP_IDX("B", 7, NULL, 0, GPIO_ACTIVE_LOW),
210
211 GPIO_LOOKUP_IDX("F", 0, NULL, 1, GPIO_ACTIVE_HIGH),
212 { },
213 },
214};
215
216
217
218
219static struct spi_board_info vision_spi_board_info[] __initdata = {
220 {
221 .modalias = "cs4271",
222 .platform_data = &vision_cs4271_data,
223 .max_speed_hz = 6000000,
224 .bus_num = 0,
225 .chip_select = 0,
226 .mode = SPI_MODE_3,
227 }, {
228 .modalias = "sst25l",
229 .platform_data = &vision_spi_flash_data,
230 .max_speed_hz = 20000000,
231 .bus_num = 0,
232 .chip_select = 1,
233 .mode = SPI_MODE_3,
234 }, {
235 .modalias = "mmc_spi",
236 .platform_data = &vision_spi_mmc_data,
237 .max_speed_hz = 20000000,
238 .bus_num = 0,
239 .chip_select = 2,
240 .mode = SPI_MODE_3,
241 },
242};
243
244static struct gpiod_lookup_table vision_spi_cs_gpio_table = {
245 .dev_id = "spi0",
246 .table = {
247 GPIO_LOOKUP_IDX("A", 6, "cs", 0, GPIO_ACTIVE_LOW),
248 GPIO_LOOKUP_IDX("A", 7, "cs", 1, GPIO_ACTIVE_LOW),
249 GPIO_LOOKUP_IDX("G", 2, "cs", 2, GPIO_ACTIVE_LOW),
250 { },
251 },
252};
253
254static struct ep93xx_spi_info vision_spi_master __initdata = {
255 .use_dma = 1,
256};
257
258
259
260
261static struct platform_device vision_audio_device = {
262 .name = "edb93xx-audio",
263 .id = -1,
264};
265
266static void __init vision_register_i2s(void)
267{
268 ep93xx_register_i2s();
269 platform_device_register(&vision_audio_device);
270}
271
272
273
274
275static void __init vision_init_machine(void)
276{
277 ep93xx_init_devices();
278 ep93xx_register_flash(2, EP93XX_CS6_PHYS_BASE, SZ_64M);
279 ep93xx_register_eth(&vision_eth_data, 1);
280 ep93xx_register_fb(&ep93xxfb_info);
281 ep93xx_register_pwm(1, 0);
282
283
284
285
286
287 if (gpio_request_one(EP93XX_GPIO_LINE_F(7), GPIOF_DIR_IN,
288 "pca9539:74"))
289 pr_warn("cannot request interrupt gpio for pca9539:74\n");
290
291 vision_i2c_info[1].irq = gpio_to_irq(EP93XX_GPIO_LINE_F(7));
292
293 ep93xx_register_i2c(vision_i2c_info,
294 ARRAY_SIZE(vision_i2c_info));
295 gpiod_add_lookup_table(&vision_spi_mmc_gpio_table);
296 gpiod_add_lookup_table(&vision_spi_cs_gpio_table);
297 ep93xx_register_spi(&vision_spi_master, vision_spi_board_info,
298 ARRAY_SIZE(vision_spi_board_info));
299 vision_register_i2s();
300}
301
302MACHINE_START(VISION_EP9307, "Vision Engraving Systems EP9307")
303
304 .atag_offset = 0x100,
305 .map_io = vision_map_io,
306 .init_irq = ep93xx_init_irq,
307 .init_time = ep93xx_timer_init,
308 .init_machine = vision_init_machine,
309 .restart = ep93xx_restart,
310MACHINE_END
311
