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 <mach/addr-map.h>
30#include <mach/mfp-pxa910.h>
31#include <mach/pxa910.h>
32#include <mach/irqs.h>
33#include <mach/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
49static 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
79static struct pxa_gpio_platform_data pxa910_gpio_pdata = {
80	.irq_base	= MMP_GPIO_TO_IRQ(0),
81};
82
83static 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
112static 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
117static 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
125static 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
135static struct platform_device *ttc_dkb_devices[] = {
136	&pxa910_device_gpio,
137	&pxa910_device_rtc,
138	&ttc_dkb_device_onenand,
139};
140
141static struct pca953x_platform_data max7312_data[] = {
142	{
143		.gpio_base	= TTCDKB_GPIO_EXT0(0),
144		.irq_base	= MMP_NR_IRQS,
145	},
146};
147
148static struct pm860x_platform_data ttc_dkb_pm8607_info = {
149	.irq_base       = IRQ_BOARD_START,
150};
151
152static 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
170static 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_PXA3xx)
182static struct pxa3xx_nand_platform_data dkb_nand_info = {
183	.enable_arbiter = 1,
184	.num_cs = 1,
185};
186#endif
187
188#if IS_ENABLED(CONFIG_MMP_DISP)
189/* path config */
190#define CFG_IOPADMODE(iopad)   (iopad)  /* 0x0 ~ 0xd */
191#define SCLK_SOURCE_SELECT(x)  (x << 30) /* 0x0 ~ 0x3 */
192/* link config */
193#define CFG_DUMBMODE(mode)     (mode << 28) /* 0x0 ~ 0x6*/
194static struct mmp_mach_path_config dkb_disp_config[] = {
195	[0] = {
196		.name = "mmp-parallel",
197		.overlay_num = 2,
198		.output_type = PATH_OUT_PARALLEL,
199		.path_config = CFG_IOPADMODE(0x1)
200			| SCLK_SOURCE_SELECT(0x1),
201		.link_config = CFG_DUMBMODE(0x2),
202	},
203};
204
205static struct mmp_mach_plat_info dkb_disp_info = {
206	.name = "mmp-disp",
207	.clk_name = "disp0",
208	.path_num = 1,
209	.paths = dkb_disp_config,
210};
211
212static struct mmp_buffer_driver_mach_info dkb_fb_info = {
213	.name = "mmp-fb",
214	.path_name = "mmp-parallel",
215	.overlay_id = 0,
216	.dmafetch_id = 1,
217	.default_pixfmt = PIXFMT_RGB565,
218};
219
220static void dkb_tpo_panel_power(int on)
221{
222	int err;
223	u32 spi_reset = mfp_to_gpio(MFP_PIN_GPIO106);
224
225	if (on) {
226		err = gpio_request(spi_reset, "TPO_LCD_SPI_RESET");
227		if (err) {
228			pr_err("failed to request GPIO for TPO LCD RESET\n");
229			return;
230		}
231		gpio_direction_output(spi_reset, 0);
232		udelay(100);
233		gpio_set_value(spi_reset, 1);
234		gpio_free(spi_reset);
235	} else {
236		err = gpio_request(spi_reset, "TPO_LCD_SPI_RESET");
237		if (err) {
238			pr_err("failed to request LCD RESET gpio\n");
239			return;
240		}
241		gpio_set_value(spi_reset, 0);
242		gpio_free(spi_reset);
243	}
244}
245
246static struct mmp_mach_panel_info dkb_tpo_panel_info = {
247	.name = "tpo-hvga",
248	.plat_path_name = "mmp-parallel",
249	.plat_set_onoff = dkb_tpo_panel_power,
250};
251
252static struct spi_board_info spi_board_info[] __initdata = {
253	{
254		.modalias       = "tpo-hvga",
255		.platform_data  = &dkb_tpo_panel_info,
256		.bus_num        = 5,
257	}
258};
259
260static void __init add_disp(void)
261{
262	pxa_register_device(&pxa910_device_disp,
263		&dkb_disp_info, sizeof(dkb_disp_info));
264	spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
265	pxa_register_device(&pxa910_device_fb,
266		&dkb_fb_info, sizeof(dkb_fb_info));
267	pxa_register_device(&pxa910_device_panel,
268		&dkb_tpo_panel_info, sizeof(dkb_tpo_panel_info));
269}
270#endif
271
272static void __init ttc_dkb_init(void)
273{
274	mfp_config(ARRAY_AND_SIZE(ttc_dkb_pin_config));
275
276	/* on-chip devices */
277	pxa910_add_uart(1);
278#if IS_ENABLED(CONFIG_MTD_NAND_PXA3xx)
279	pxa910_add_nand(&dkb_nand_info);
280#endif
281
282	/* off-chip devices */
283	pxa910_add_twsi(0, NULL, ARRAY_AND_SIZE(ttc_dkb_i2c_info));
284	platform_device_add_data(&pxa910_device_gpio, &pxa910_gpio_pdata,
285				 sizeof(struct pxa_gpio_platform_data));
286	platform_add_devices(ARRAY_AND_SIZE(ttc_dkb_devices));
287
288#if IS_ENABLED(CONFIG_USB_MV_UDC)
289	pxa168_device_u2o.dev.platform_data = &ttc_usb_pdata;
290	platform_device_register(&pxa168_device_u2o);
291#endif
292
293#if IS_ENABLED(CONFIG_USB_EHCI_MV_U2O)
294	pxa168_device_u2oehci.dev.platform_data = &ttc_usb_pdata;
295	platform_device_register(&pxa168_device_u2oehci);
296#endif
297
298#if IS_ENABLED(CONFIG_USB_MV_OTG)
299	pxa168_device_u2ootg.dev.platform_data = &ttc_usb_pdata;
300	platform_device_register(&pxa168_device_u2ootg);
301#endif
302
303#if IS_ENABLED(CONFIG_MMP_DISP)
304	add_disp();
305#endif
306}
307
308MACHINE_START(TTC_DKB, "PXA910-based TTC_DKB Development Platform")
309	.map_io		= mmp_map_io,
310	.nr_irqs	= TTCDKB_NR_IRQS,
311	.init_irq       = pxa910_init_irq,
312	.init_time	= pxa910_timer_init,
313	.init_machine   = ttc_dkb_init,
314	.restart	= mmp_restart,
315MACHINE_END
316