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
 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_MARVELL)
182static 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*/
191static 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
202static 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
209static 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
217static 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
243static 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
249static 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
257static 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
269static 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_USB_MV_UDC)
286	pxa168_device_u2o.dev.platform_data = &ttc_usb_pdata;
287	platform_device_register(&pxa168_device_u2o);
288#endif
289
290#if IS_ENABLED(CONFIG_USB_EHCI_MV_U2O)
291	pxa168_device_u2oehci.dev.platform_data = &ttc_usb_pdata;
292	platform_device_register(&pxa168_device_u2oehci);
293#endif
294
295#if IS_ENABLED(CONFIG_USB_MV_OTG)
296	pxa168_device_u2ootg.dev.platform_data = &ttc_usb_pdata;
297	platform_device_register(&pxa168_device_u2ootg);
298#endif
299
300#if IS_ENABLED(CONFIG_MMP_DISP)
301	add_disp();
302#endif
303}
304
305MACHINE_START(TTC_DKB, "PXA910-based TTC_DKB Development Platform")
306	.map_io		= mmp_map_io,
307	.nr_irqs	= TTCDKB_NR_IRQS,
308	.init_irq       = pxa910_init_irq,
309	.init_time	= pxa910_timer_init,
310	.init_machine   = ttc_dkb_init,
311	.restart	= mmp_restart,
312MACHINE_END