767dcb23ee1cd18b001d3ec4d750a83099c256bc
[muen/linux.git] / arch / arm / mach-mmp / ttc_dkb.c
1 /*
2  *  linux/arch/arm/mach-mmp/ttc_dkb.c
3  *
4  *  Support for the Marvell PXA910-based TTC_DKB Development Platform.
5  *
6  *  This program is free software; you can redistribute it and/or modify
7  *  it under the terms of the GNU General Public License version 2 as
8  *  publishhed by the Free Software Foundation.
9  */
10
11 #include <linux/init.h>
12 #include <linux/kernel.h>
13 #include <linux/platform_device.h>
14 #include <linux/mtd/mtd.h>
15 #include <linux/mtd/partitions.h>
16 #include <linux/mtd/onenand.h>
17 #include <linux/interrupt.h>
18 #include <linux/platform_data/pca953x.h>
19 #include <linux/gpio.h>
20 #include <linux/gpio-pxa.h>
21 #include <linux/mfd/88pm860x.h>
22 #include <linux/platform_data/mv_usb.h>
23 #include <linux/spi/spi.h>
24 #include <linux/delay.h>
25
26 #include <asm/mach-types.h>
27 #include <asm/mach/arch.h>
28 #include <asm/mach/flash.h>
29 #include "addr-map.h"
30 #include "mfp-pxa910.h"
31 #include "pxa910.h"
32 #include "irqs.h"
33 #include "regs-usb.h"
34
35 #include "common.h"
36
37 #define TTCDKB_GPIO_EXT0(x)     (MMP_NR_BUILTIN_GPIO + ((x < 0) ? 0 :   \
38                                 ((x < 16) ? x : 15)))
39 #define TTCDKB_GPIO_EXT1(x)     (MMP_NR_BUILTIN_GPIO + 16 + ((x < 0) ? 0 : \
40                                 ((x < 16) ? x : 15)))
41
42 /*
43  * 16 board interrupts -- MAX7312 GPIO expander
44  * 16 board interrupts -- PCA9575 GPIO expander
45  * 24 board interrupts -- 88PM860x PMIC
46  */
47 #define TTCDKB_NR_IRQS          (MMP_NR_IRQS + 16 + 16 + 24)
48
49 static unsigned long ttc_dkb_pin_config[] __initdata = {
50         /* UART2 */
51         GPIO47_UART2_RXD,
52         GPIO48_UART2_TXD,
53
54         /* DFI */
55         DF_IO0_ND_IO0,
56         DF_IO1_ND_IO1,
57         DF_IO2_ND_IO2,
58         DF_IO3_ND_IO3,
59         DF_IO4_ND_IO4,
60         DF_IO5_ND_IO5,
61         DF_IO6_ND_IO6,
62         DF_IO7_ND_IO7,
63         DF_IO8_ND_IO8,
64         DF_IO9_ND_IO9,
65         DF_IO10_ND_IO10,
66         DF_IO11_ND_IO11,
67         DF_IO12_ND_IO12,
68         DF_IO13_ND_IO13,
69         DF_IO14_ND_IO14,
70         DF_IO15_ND_IO15,
71         DF_nCS0_SM_nCS2_nCS0,
72         DF_ALE_SM_WEn_ND_ALE,
73         DF_CLE_SM_OEn_ND_CLE,
74         DF_WEn_DF_WEn,
75         DF_REn_DF_REn,
76         DF_RDY0_DF_RDY0,
77 };
78
79 static struct pxa_gpio_platform_data pxa910_gpio_pdata = {
80         .irq_base       = MMP_GPIO_TO_IRQ(0),
81 };
82
83 static struct mtd_partition ttc_dkb_onenand_partitions[] = {
84         {
85                 .name           = "bootloader",
86                 .offset         = 0,
87                 .size           = SZ_1M,
88                 .mask_flags     = MTD_WRITEABLE,
89         }, {
90                 .name           = "reserved",
91                 .offset         = MTDPART_OFS_APPEND,
92                 .size           = SZ_128K,
93                 .mask_flags     = MTD_WRITEABLE,
94         }, {
95                 .name           = "reserved",
96                 .offset         = MTDPART_OFS_APPEND,
97                 .size           = SZ_8M,
98                 .mask_flags     = MTD_WRITEABLE,
99         }, {
100                 .name           = "kernel",
101                 .offset         = MTDPART_OFS_APPEND,
102                 .size           = (SZ_2M + SZ_1M),
103                 .mask_flags     = 0,
104         }, {
105                 .name           = "filesystem",
106                 .offset         = MTDPART_OFS_APPEND,
107                 .size           = SZ_32M + SZ_16M,
108                 .mask_flags     = 0,
109         }
110 };
111
112 static struct onenand_platform_data ttc_dkb_onenand_info = {
113         .parts          = ttc_dkb_onenand_partitions,
114         .nr_parts       = ARRAY_SIZE(ttc_dkb_onenand_partitions),
115 };
116
117 static struct resource ttc_dkb_resource_onenand[] = {
118         [0] = {
119                 .start  = SMC_CS0_PHYS_BASE,
120                 .end    = SMC_CS0_PHYS_BASE + SZ_1M,
121                 .flags  = IORESOURCE_MEM,
122         },
123 };
124
125 static struct platform_device ttc_dkb_device_onenand = {
126         .name           = "onenand-flash",
127         .id             = -1,
128         .resource       = ttc_dkb_resource_onenand,
129         .num_resources  = ARRAY_SIZE(ttc_dkb_resource_onenand),
130         .dev            = {
131                 .platform_data  = &ttc_dkb_onenand_info,
132         },
133 };
134
135 static struct platform_device *ttc_dkb_devices[] = {
136         &pxa910_device_gpio,
137         &pxa910_device_rtc,
138         &ttc_dkb_device_onenand,
139 };
140
141 static struct pca953x_platform_data max7312_data[] = {
142         {
143                 .gpio_base      = TTCDKB_GPIO_EXT0(0),
144                 .irq_base       = MMP_NR_IRQS,
145         },
146 };
147
148 static struct pm860x_platform_data ttc_dkb_pm8607_info = {
149         .irq_base       = IRQ_BOARD_START,
150 };
151
152 static struct i2c_board_info ttc_dkb_i2c_info[] = {
153         {
154                 .type           = "88PM860x",
155                 .addr           = 0x34,
156                 .platform_data  = &ttc_dkb_pm8607_info,
157                 .irq            = IRQ_PXA910_PMIC_INT,
158         },
159         {
160                 .type           = "max7312",
161                 .addr           = 0x23,
162                 .irq            = MMP_GPIO_TO_IRQ(80),
163                 .platform_data  = &max7312_data,
164         },
165 };
166
167 #if IS_ENABLED(CONFIG_USB_SUPPORT)
168 #if IS_ENABLED(CONFIG_USB_MV_UDC) || IS_ENABLED(CONFIG_USB_EHCI_MV_U2O)
169
170 static struct mv_usb_platform_data ttc_usb_pdata = {
171         .vbus           = NULL,
172         .mode           = MV_USB_MODE_OTG,
173         .otg_force_a_bus_req = 1,
174         .phy_init       = pxa_usb_phy_init,
175         .phy_deinit     = pxa_usb_phy_deinit,
176         .set_vbus       = NULL,
177 };
178 #endif
179 #endif
180
181 #if IS_ENABLED(CONFIG_MTD_NAND_MARVELL)
182 static struct pxa3xx_nand_platform_data dkb_nand_info = {};
183 #endif
184
185 #if IS_ENABLED(CONFIG_MMP_DISP)
186 /* path config */
187 #define CFG_IOPADMODE(iopad)   (iopad)  /* 0x0 ~ 0xd */
188 #define SCLK_SOURCE_SELECT(x)  (x << 30) /* 0x0 ~ 0x3 */
189 /* link config */
190 #define CFG_DUMBMODE(mode)     (mode << 28) /* 0x0 ~ 0x6*/
191 static struct mmp_mach_path_config dkb_disp_config[] = {
192         [0] = {
193                 .name = "mmp-parallel",
194                 .overlay_num = 2,
195                 .output_type = PATH_OUT_PARALLEL,
196                 .path_config = CFG_IOPADMODE(0x1)
197                         | SCLK_SOURCE_SELECT(0x1),
198                 .link_config = CFG_DUMBMODE(0x2),
199         },
200 };
201
202 static struct mmp_mach_plat_info dkb_disp_info = {
203         .name = "mmp-disp",
204         .clk_name = "disp0",
205         .path_num = 1,
206         .paths = dkb_disp_config,
207 };
208
209 static struct mmp_buffer_driver_mach_info dkb_fb_info = {
210         .name = "mmp-fb",
211         .path_name = "mmp-parallel",
212         .overlay_id = 0,
213         .dmafetch_id = 1,
214         .default_pixfmt = PIXFMT_RGB565,
215 };
216
217 static void dkb_tpo_panel_power(int on)
218 {
219         int err;
220         u32 spi_reset = mfp_to_gpio(MFP_PIN_GPIO106);
221
222         if (on) {
223                 err = gpio_request(spi_reset, "TPO_LCD_SPI_RESET");
224                 if (err) {
225                         pr_err("failed to request GPIO for TPO LCD RESET\n");
226                         return;
227                 }
228                 gpio_direction_output(spi_reset, 0);
229                 udelay(100);
230                 gpio_set_value(spi_reset, 1);
231                 gpio_free(spi_reset);
232         } else {
233                 err = gpio_request(spi_reset, "TPO_LCD_SPI_RESET");
234                 if (err) {
235                         pr_err("failed to request LCD RESET gpio\n");
236                         return;
237                 }
238                 gpio_set_value(spi_reset, 0);
239                 gpio_free(spi_reset);
240         }
241 }
242
243 static struct mmp_mach_panel_info dkb_tpo_panel_info = {
244         .name = "tpo-hvga",
245         .plat_path_name = "mmp-parallel",
246         .plat_set_onoff = dkb_tpo_panel_power,
247 };
248
249 static struct spi_board_info spi_board_info[] __initdata = {
250         {
251                 .modalias       = "tpo-hvga",
252                 .platform_data  = &dkb_tpo_panel_info,
253                 .bus_num        = 5,
254         }
255 };
256
257 static void __init add_disp(void)
258 {
259         pxa_register_device(&pxa910_device_disp,
260                 &dkb_disp_info, sizeof(dkb_disp_info));
261         spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
262         pxa_register_device(&pxa910_device_fb,
263                 &dkb_fb_info, sizeof(dkb_fb_info));
264         pxa_register_device(&pxa910_device_panel,
265                 &dkb_tpo_panel_info, sizeof(dkb_tpo_panel_info));
266 }
267 #endif
268
269 static void __init ttc_dkb_init(void)
270 {
271         mfp_config(ARRAY_AND_SIZE(ttc_dkb_pin_config));
272
273         /* on-chip devices */
274         pxa910_add_uart(1);
275 #if IS_ENABLED(CONFIG_MTD_NAND_MARVELL)
276         pxa910_add_nand(&dkb_nand_info);
277 #endif
278
279         /* off-chip devices */
280         pxa910_add_twsi(0, NULL, ARRAY_AND_SIZE(ttc_dkb_i2c_info));
281         platform_device_add_data(&pxa910_device_gpio, &pxa910_gpio_pdata,
282                                  sizeof(struct pxa_gpio_platform_data));
283         platform_add_devices(ARRAY_AND_SIZE(ttc_dkb_devices));
284
285 #if IS_ENABLED(CONFIG_PHY_PXA_USB)
286         platform_device_register(&pxa168_device_usb_phy);
287 #endif
288
289 #if IS_ENABLED(CONFIG_USB_MV_UDC)
290         pxa168_device_u2o.dev.platform_data = &ttc_usb_pdata;
291         platform_device_register(&pxa168_device_u2o);
292 #endif
293
294 #if IS_ENABLED(CONFIG_USB_EHCI_MV_U2O)
295         pxa168_device_u2oehci.dev.platform_data = &ttc_usb_pdata;
296         platform_device_register(&pxa168_device_u2oehci);
297 #endif
298
299 #if IS_ENABLED(CONFIG_USB_MV_OTG)
300         pxa168_device_u2ootg.dev.platform_data = &ttc_usb_pdata;
301         platform_device_register(&pxa168_device_u2ootg);
302 #endif
303
304 #if IS_ENABLED(CONFIG_MMP_DISP)
305         add_disp();
306 #endif
307 }
308
309 MACHINE_START(TTC_DKB, "PXA910-based TTC_DKB Development Platform")
310         .map_io         = mmp_map_io,
311         .nr_irqs        = TTCDKB_NR_IRQS,
312         .init_irq       = pxa910_init_irq,
313         .init_time      = pxa910_timer_init,
314         .init_machine   = ttc_dkb_init,
315         .restart        = mmp_restart,
316 MACHINE_END