ARM: mmp: enable display in ttc_dkb
[~shefty/rdma-dev.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/i2c/pca953x.h>
19 #include <linux/gpio.h>
20 #include <linux/mfd/88pm860x.h>
21 #include <linux/platform_data/mv_usb.h>
22 #include <linux/spi/spi.h>
23 #include <linux/delay.h>
24
25 #include <asm/mach-types.h>
26 #include <asm/mach/arch.h>
27 #include <asm/mach/flash.h>
28 #include <mach/addr-map.h>
29 #include <mach/mfp-pxa910.h>
30 #include <mach/pxa910.h>
31 #include <mach/irqs.h>
32 #include <mach/regs-usb.h>
33
34 #include "common.h"
35
36 #define TTCDKB_GPIO_EXT0(x)     (MMP_NR_BUILTIN_GPIO + ((x < 0) ? 0 :   \
37                                 ((x < 16) ? x : 15)))
38 #define TTCDKB_GPIO_EXT1(x)     (MMP_NR_BUILTIN_GPIO + 16 + ((x < 0) ? 0 : \
39                                 ((x < 16) ? x : 15)))
40
41 /*
42  * 16 board interrupts -- MAX7312 GPIO expander
43  * 16 board interrupts -- PCA9575 GPIO expander
44  * 24 board interrupts -- 88PM860x PMIC
45  */
46 #define TTCDKB_NR_IRQS          (MMP_NR_IRQS + 16 + 16 + 24)
47
48 static unsigned long ttc_dkb_pin_config[] __initdata = {
49         /* UART2 */
50         GPIO47_UART2_RXD,
51         GPIO48_UART2_TXD,
52
53         /* DFI */
54         DF_IO0_ND_IO0,
55         DF_IO1_ND_IO1,
56         DF_IO2_ND_IO2,
57         DF_IO3_ND_IO3,
58         DF_IO4_ND_IO4,
59         DF_IO5_ND_IO5,
60         DF_IO6_ND_IO6,
61         DF_IO7_ND_IO7,
62         DF_IO8_ND_IO8,
63         DF_IO9_ND_IO9,
64         DF_IO10_ND_IO10,
65         DF_IO11_ND_IO11,
66         DF_IO12_ND_IO12,
67         DF_IO13_ND_IO13,
68         DF_IO14_ND_IO14,
69         DF_IO15_ND_IO15,
70         DF_nCS0_SM_nCS2_nCS0,
71         DF_ALE_SM_WEn_ND_ALE,
72         DF_CLE_SM_OEn_ND_CLE,
73         DF_WEn_DF_WEn,
74         DF_REn_DF_REn,
75         DF_RDY0_DF_RDY0,
76 };
77
78 static struct mtd_partition ttc_dkb_onenand_partitions[] = {
79         {
80                 .name           = "bootloader",
81                 .offset         = 0,
82                 .size           = SZ_1M,
83                 .mask_flags     = MTD_WRITEABLE,
84         }, {
85                 .name           = "reserved",
86                 .offset         = MTDPART_OFS_APPEND,
87                 .size           = SZ_128K,
88                 .mask_flags     = MTD_WRITEABLE,
89         }, {
90                 .name           = "reserved",
91                 .offset         = MTDPART_OFS_APPEND,
92                 .size           = SZ_8M,
93                 .mask_flags     = MTD_WRITEABLE,
94         }, {
95                 .name           = "kernel",
96                 .offset         = MTDPART_OFS_APPEND,
97                 .size           = (SZ_2M + SZ_1M),
98                 .mask_flags     = 0,
99         }, {
100                 .name           = "filesystem",
101                 .offset         = MTDPART_OFS_APPEND,
102                 .size           = SZ_32M + SZ_16M,
103                 .mask_flags     = 0,
104         }
105 };
106
107 static struct onenand_platform_data ttc_dkb_onenand_info = {
108         .parts          = ttc_dkb_onenand_partitions,
109         .nr_parts       = ARRAY_SIZE(ttc_dkb_onenand_partitions),
110 };
111
112 static struct resource ttc_dkb_resource_onenand[] = {
113         [0] = {
114                 .start  = SMC_CS0_PHYS_BASE,
115                 .end    = SMC_CS0_PHYS_BASE + SZ_1M,
116                 .flags  = IORESOURCE_MEM,
117         },
118 };
119
120 static struct platform_device ttc_dkb_device_onenand = {
121         .name           = "onenand-flash",
122         .id             = -1,
123         .resource       = ttc_dkb_resource_onenand,
124         .num_resources  = ARRAY_SIZE(ttc_dkb_resource_onenand),
125         .dev            = {
126                 .platform_data  = &ttc_dkb_onenand_info,
127         },
128 };
129
130 static struct platform_device *ttc_dkb_devices[] = {
131         &pxa910_device_gpio,
132         &pxa910_device_rtc,
133         &ttc_dkb_device_onenand,
134 };
135
136 static struct pca953x_platform_data max7312_data[] = {
137         {
138                 .gpio_base      = TTCDKB_GPIO_EXT0(0),
139                 .irq_base       = MMP_NR_IRQS,
140         },
141 };
142
143 static struct pm860x_platform_data ttc_dkb_pm8607_info = {
144         .irq_base       = IRQ_BOARD_START,
145 };
146
147 static struct i2c_board_info ttc_dkb_i2c_info[] = {
148         {
149                 .type           = "88PM860x",
150                 .addr           = 0x34,
151                 .platform_data  = &ttc_dkb_pm8607_info,
152                 .irq            = IRQ_PXA910_PMIC_INT,
153         },
154         {
155                 .type           = "max7312",
156                 .addr           = 0x23,
157                 .irq            = MMP_GPIO_TO_IRQ(80),
158                 .platform_data  = &max7312_data,
159         },
160 };
161
162 #ifdef CONFIG_USB_SUPPORT
163 #if defined(CONFIG_USB_MV_UDC) || defined(CONFIG_USB_EHCI_MV_U2O)
164
165 static char *pxa910_usb_clock_name[] = {
166         [0] = "U2OCLK",
167 };
168
169 static struct mv_usb_platform_data ttc_usb_pdata = {
170         .clknum         = 1,
171         .clkname        = pxa910_usb_clock_name,
172         .vbus           = NULL,
173         .mode           = MV_USB_MODE_OTG,
174         .otg_force_a_bus_req = 1,
175         .phy_init       = pxa_usb_phy_init,
176         .phy_deinit     = pxa_usb_phy_deinit,
177         .set_vbus       = NULL,
178 };
179 #endif
180 #endif
181
182 #ifdef CONFIG_MTD_NAND_PXA3xx
183 static struct pxa3xx_nand_platform_data dkb_nand_info = {
184         .enable_arbiter = 1,
185         .num_cs = 1,
186 };
187 #endif
188
189 #ifdef CONFIG_MMP_DISP
190 /* path config */
191 #define CFG_IOPADMODE(iopad)   (iopad)  /* 0x0 ~ 0xd */
192 #define SCLK_SOURCE_SELECT(x)  (x << 30) /* 0x0 ~ 0x3 */
193 /* link config */
194 #define CFG_DUMBMODE(mode)     (mode << 28) /* 0x0 ~ 0x6*/
195 #define CFG_GRA_SWAPRB(x)      (x << 0) /* 1: rbswap enabled */
196 static struct mmp_mach_path_config dkb_disp_config[] = {
197         [0] = {
198                 .name = "mmp-parallel",
199                 .overlay_num = 2,
200                 .output_type = PATH_OUT_PARALLEL,
201                 .path_config = CFG_IOPADMODE(0x1)
202                         | SCLK_SOURCE_SELECT(0x1),
203                 .link_config = CFG_DUMBMODE(0x2)
204                         | CFG_GRA_SWAPRB(0x1),
205         },
206 };
207
208 static struct mmp_mach_plat_info dkb_disp_info = {
209         .name = "mmp-disp",
210         .clk_name = "disp0",
211         .path_num = 1,
212         .paths = dkb_disp_config,
213 };
214
215 static struct mmp_buffer_driver_mach_info dkb_fb_info = {
216         .name = "mmp-fb",
217         .path_name = "mmp-parallel",
218         .overlay_id = 0,
219         .dmafetch_id = 1,
220         .default_pixfmt = PIXFMT_RGB565,
221 };
222
223 static void dkb_tpo_panel_power(int on)
224 {
225         int err;
226         u32 spi_reset = mfp_to_gpio(MFP_PIN_GPIO106);
227
228         if (on) {
229                 err = gpio_request(spi_reset, "TPO_LCD_SPI_RESET");
230                 if (err) {
231                         pr_err("failed to request GPIO for TPO LCD RESET\n");
232                         return;
233                 }
234                 gpio_direction_output(spi_reset, 0);
235                 udelay(100);
236                 gpio_set_value(spi_reset, 1);
237                 gpio_free(spi_reset);
238         } else {
239                 err = gpio_request(spi_reset, "TPO_LCD_SPI_RESET");
240                 if (err) {
241                         pr_err("failed to request LCD RESET gpio\n");
242                         return;
243                 }
244                 gpio_set_value(spi_reset, 0);
245                 gpio_free(spi_reset);
246         }
247 }
248
249 static struct mmp_mach_panel_info dkb_tpo_panel_info = {
250         .name = "tpo-hvga",
251         .plat_path_name = "mmp-parallel",
252         .plat_set_onoff = dkb_tpo_panel_power,
253 };
254
255 static struct spi_board_info spi_board_info[] __initdata = {
256         {
257                 .modalias       = "tpo-hvga",
258                 .platform_data  = &dkb_tpo_panel_info,
259                 .bus_num        = 5,
260         }
261 };
262
263 static void __init add_disp(void)
264 {
265         pxa_register_device(&pxa910_device_disp,
266                 &dkb_disp_info, sizeof(dkb_disp_info));
267         spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
268         pxa_register_device(&pxa910_device_fb,
269                 &dkb_fb_info, sizeof(dkb_fb_info));
270         pxa_register_device(&pxa910_device_panel,
271                 &dkb_tpo_panel_info, sizeof(dkb_tpo_panel_info));
272 }
273 #endif
274
275 static void __init ttc_dkb_init(void)
276 {
277         mfp_config(ARRAY_AND_SIZE(ttc_dkb_pin_config));
278
279         /* on-chip devices */
280         pxa910_add_uart(1);
281 #ifdef CONFIG_MTD_NAND_PXA3xx
282         pxa910_add_nand(&dkb_nand_info);
283 #endif
284
285         /* off-chip devices */
286         pxa910_add_twsi(0, NULL, ARRAY_AND_SIZE(ttc_dkb_i2c_info));
287         platform_add_devices(ARRAY_AND_SIZE(ttc_dkb_devices));
288
289 #ifdef 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 #ifdef 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 #ifdef 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 #ifdef 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         .timer          = &pxa910_timer,
314         .init_machine   = ttc_dkb_init,
315         .restart        = mmp_restart,
316 MACHINE_END