1/*
2 * Copyright (C) 2010 Eric Benard - eric@eukrea.com
3 *
4 * Based on pcm970-baseboard.c which is :
5 * Copyright (C) 2008 Juergen Beisert (kernel@pengutronix.de)
6 *
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version 2
10 * of the License, or (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
19 * MA 02110-1301, USA.
20 */
21
22#include <linux/gpio.h>
23#include <linux/leds.h>
24#include <linux/platform_device.h>
25#include <linux/input.h>
26#include <linux/spi/spi.h>
27#include <video/platform_lcd.h>
28
29#include <asm/mach-types.h>
30#include <asm/mach/arch.h>
31
32#include "common.h"
33#include "devices-imx25.h"
34#include "hardware.h"
35#include "iomux-mx25.h"
36#include "mx25.h"
37
38static iomux_v3_cfg_t eukrea_mbimxsd_pads[] = {
39	/* LCD */
40	MX25_PAD_LD0__LD0,
41	MX25_PAD_LD1__LD1,
42	MX25_PAD_LD2__LD2,
43	MX25_PAD_LD3__LD3,
44	MX25_PAD_LD4__LD4,
45	MX25_PAD_LD5__LD5,
46	MX25_PAD_LD6__LD6,
47	MX25_PAD_LD7__LD7,
48	MX25_PAD_LD8__LD8,
49	MX25_PAD_LD9__LD9,
50	MX25_PAD_LD10__LD10,
51	MX25_PAD_LD11__LD11,
52	MX25_PAD_LD12__LD12,
53	MX25_PAD_LD13__LD13,
54	MX25_PAD_LD14__LD14,
55	MX25_PAD_LD15__LD15,
56	MX25_PAD_GPIO_E__LD16,
57	MX25_PAD_GPIO_F__LD17,
58	MX25_PAD_HSYNC__HSYNC,
59	MX25_PAD_VSYNC__VSYNC,
60	MX25_PAD_LSCLK__LSCLK,
61	MX25_PAD_OE_ACD__OE_ACD,
62	MX25_PAD_CONTRAST__CONTRAST,
63	/* LCD_PWR */
64	MX25_PAD_PWM__GPIO_1_26,
65	/* LED */
66	MX25_PAD_POWER_FAIL__GPIO_3_19,
67	/* SWITCH */
68	MX25_PAD_VSTBY_ACK__GPIO_3_18,
69	/* UART2 */
70	MX25_PAD_UART2_RTS__UART2_RTS,
71	MX25_PAD_UART2_CTS__UART2_CTS,
72	MX25_PAD_UART2_TXD__UART2_TXD,
73	MX25_PAD_UART2_RXD__UART2_RXD,
74	/* SD1 */
75	MX25_PAD_SD1_CMD__SD1_CMD,
76	MX25_PAD_SD1_CLK__SD1_CLK,
77	MX25_PAD_SD1_DATA0__SD1_DATA0,
78	MX25_PAD_SD1_DATA1__SD1_DATA1,
79	MX25_PAD_SD1_DATA2__SD1_DATA2,
80	MX25_PAD_SD1_DATA3__SD1_DATA3,
81	/* SD1 CD */
82	MX25_PAD_DE_B__GPIO_2_20,
83	/* I2S */
84	MX25_PAD_KPP_COL3__AUD5_TXFS,
85	MX25_PAD_KPP_COL2__AUD5_TXC,
86	MX25_PAD_KPP_COL1__AUD5_RXD,
87	MX25_PAD_KPP_COL0__AUD5_TXD,
88	/* CAN */
89	MX25_PAD_GPIO_D__CAN2_RX,
90	MX25_PAD_GPIO_C__CAN2_TX,
91	/* SPI1 */
92	MX25_PAD_CSPI1_MOSI__CSPI1_MOSI,
93	MX25_PAD_CSPI1_MISO__CSPI1_MISO,
94	MX25_PAD_CSPI1_SS0__GPIO_1_16,
95	MX25_PAD_CSPI1_SS1__GPIO_1_17,
96	MX25_PAD_CSPI1_SCLK__CSPI1_SCLK,
97	MX25_PAD_CSPI1_RDY__GPIO_2_22,
98};
99
100#define GPIO_LED1		IMX_GPIO_NR(3, 19)
101#define GPIO_SWITCH1	IMX_GPIO_NR(3, 18)
102#define GPIO_SD1CD		IMX_GPIO_NR(2, 20)
103#define GPIO_LCDPWR		IMX_GPIO_NR(1, 26)
104#define	GPIO_SPI1_SS0	IMX_GPIO_NR(1, 16)
105#define	GPIO_SPI1_SS1	IMX_GPIO_NR(1, 17)
106#define	GPIO_SPI1_IRQ	IMX_GPIO_NR(2, 22)
107
108static struct imx_fb_videomode eukrea_mximxsd_modes[] = {
109	{
110		.mode	= {
111			.name		= "CMO-QVGA",
112			.refresh	= 60,
113			.xres		= 320,
114			.yres		= 240,
115			.pixclock	= KHZ2PICOS(6500),
116			.left_margin	= 30,
117			.right_margin	= 38,
118			.upper_margin	= 20,
119			.lower_margin	= 3,
120			.hsync_len	= 15,
121			.vsync_len	= 4,
122		},
123		.bpp	= 16,
124		.pcr	= 0xCAD08B80,
125	}, {
126		.mode = {
127			.name		= "DVI-VGA",
128			.refresh	= 60,
129			.xres		= 640,
130			.yres		= 480,
131			.pixclock	= 32000,
132			.hsync_len	= 7,
133			.left_margin	= 100,
134			.right_margin	= 100,
135			.vsync_len	= 7,
136			.upper_margin	= 7,
137			.lower_margin	= 100,
138		},
139		.pcr		= 0xFA208B80,
140		.bpp		= 16,
141	}, {
142		.mode = {
143			.name		= "DVI-SVGA",
144			.refresh	= 60,
145			.xres		= 800,
146			.yres		= 600,
147			.pixclock	= 25000,
148			.hsync_len	= 7,
149			.left_margin	= 75,
150			.right_margin	= 75,
151			.vsync_len	= 7,
152			.upper_margin	= 7,
153			.lower_margin	= 75,
154		},
155		.pcr		= 0xFA208B80,
156		.bpp		= 16,
157	},
158};
159
160static const struct imx_fb_platform_data eukrea_mximxsd_fb_pdata __initconst = {
161	.mode		= eukrea_mximxsd_modes,
162	.num_modes	= ARRAY_SIZE(eukrea_mximxsd_modes),
163	.pwmr		= 0x00A903FF,
164	.lscr1		= 0x00120300,
165	.dmacr		= 0x00040060,
166};
167
168static void eukrea_mbimxsd_lcd_power_set(struct plat_lcd_data *pd,
169				   unsigned int power)
170{
171	if (power)
172		gpio_direction_output(GPIO_LCDPWR, 1);
173	else
174		gpio_direction_output(GPIO_LCDPWR, 0);
175}
176
177static struct plat_lcd_data eukrea_mbimxsd_lcd_power_data = {
178	.set_power		= eukrea_mbimxsd_lcd_power_set,
179};
180
181static struct platform_device eukrea_mbimxsd_lcd_powerdev = {
182	.name			= "platform-lcd",
183	.dev.platform_data	= &eukrea_mbimxsd_lcd_power_data,
184};
185
186static const struct gpio_led eukrea_mbimxsd_leds[] __initconst = {
187	{
188		.name			= "led1",
189		.default_trigger	= "heartbeat",
190		.active_low		= 1,
191		.gpio			= GPIO_LED1,
192	},
193};
194
195static const struct gpio_led_platform_data
196		eukrea_mbimxsd_led_info __initconst = {
197	.leds		= eukrea_mbimxsd_leds,
198	.num_leds	= ARRAY_SIZE(eukrea_mbimxsd_leds),
199};
200
201static struct gpio_keys_button eukrea_mbimxsd_gpio_buttons[] = {
202	{
203		.gpio		= GPIO_SWITCH1,
204		.code		= BTN_0,
205		.desc		= "BP1",
206		.active_low	= 1,
207		.wakeup		= 1,
208	},
209};
210
211static const struct gpio_keys_platform_data
212		eukrea_mbimxsd_button_data __initconst = {
213	.buttons	= eukrea_mbimxsd_gpio_buttons,
214	.nbuttons	= ARRAY_SIZE(eukrea_mbimxsd_gpio_buttons),
215};
216
217static struct platform_device *platform_devices[] __initdata = {
218	&eukrea_mbimxsd_lcd_powerdev,
219};
220
221static const struct imxuart_platform_data uart_pdata __initconst = {
222	.flags = IMXUART_HAVE_RTSCTS,
223};
224
225static struct i2c_board_info eukrea_mbimxsd_i2c_devices[] = {
226	{
227		I2C_BOARD_INFO("tlv320aic23", 0x1a),
228	},
229};
230
231static const
232struct imx_ssi_platform_data eukrea_mbimxsd_ssi_pdata __initconst = {
233	.flags = IMX_SSI_SYN | IMX_SSI_NET | IMX_SSI_USE_I2S_SLAVE,
234};
235
236static struct esdhc_platform_data sd1_pdata = {
237	.cd_gpio = GPIO_SD1CD,
238	.cd_type = ESDHC_CD_GPIO,
239	.wp_type = ESDHC_WP_NONE,
240};
241
242static struct spi_board_info eukrea_mbimxsd25_spi_board_info[] __initdata = {
243	{
244		.modalias = "spidev",
245		.max_speed_hz = 20000000,
246		.bus_num = 0,
247		.chip_select = 0,
248		.mode = SPI_MODE_0,
249	},
250	{
251		.modalias = "spidev",
252		.max_speed_hz = 20000000,
253		.bus_num = 0,
254		.chip_select = 1,
255		.mode = SPI_MODE_0,
256	},
257};
258
259static int eukrea_mbimxsd25_spi_cs[] = {GPIO_SPI1_SS0, GPIO_SPI1_SS1};
260
261static const struct spi_imx_master eukrea_mbimxsd25_spi0_data __initconst = {
262	.chipselect     = eukrea_mbimxsd25_spi_cs,
263	.num_chipselect = ARRAY_SIZE(eukrea_mbimxsd25_spi_cs),
264};
265
266/*
267 * system init for baseboard usage. Will be called by cpuimx25 init.
268 *
269 * Add platform devices present on this baseboard and init
270 * them from CPU side as far as required to use them later on
271 */
272void __init eukrea_mbimxsd25_baseboard_init(void)
273{
274	if (mxc_iomux_v3_setup_multiple_pads(eukrea_mbimxsd_pads,
275			ARRAY_SIZE(eukrea_mbimxsd_pads)))
276		printk(KERN_ERR "error setting mbimxsd pads !\n");
277
278	imx25_add_imx_uart1(&uart_pdata);
279	imx25_add_imx_fb(&eukrea_mximxsd_fb_pdata);
280	imx25_add_imx_ssi(0, &eukrea_mbimxsd_ssi_pdata);
281
282	imx25_add_flexcan1();
283	imx25_add_sdhci_esdhc_imx(0, &sd1_pdata);
284
285	gpio_request(GPIO_LED1, "LED1");
286	gpio_direction_output(GPIO_LED1, 1);
287	gpio_free(GPIO_LED1);
288
289	gpio_request(GPIO_SWITCH1, "SWITCH1");
290	gpio_direction_input(GPIO_SWITCH1);
291	gpio_free(GPIO_SWITCH1);
292
293	gpio_request(GPIO_LCDPWR, "LCDPWR");
294	gpio_direction_output(GPIO_LCDPWR, 1);
295
296	i2c_register_board_info(0, eukrea_mbimxsd_i2c_devices,
297				ARRAY_SIZE(eukrea_mbimxsd_i2c_devices));
298
299	gpio_request(GPIO_SPI1_IRQ, "SPI1_IRQ");
300	gpio_direction_input(GPIO_SPI1_IRQ);
301	gpio_free(GPIO_SPI1_IRQ);
302	imx25_add_spi_imx0(&eukrea_mbimxsd25_spi0_data);
303	spi_register_board_info(eukrea_mbimxsd25_spi_board_info,
304		ARRAY_SIZE(eukrea_mbimxsd25_spi_board_info));
305
306	platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
307	gpio_led_register_device(-1, &eukrea_mbimxsd_led_info);
308	imx_add_gpio_keys(&eukrea_mbimxsd_button_data);
309	imx_add_platform_device("eukrea_tlv320", 0, NULL, 0, NULL, 0);
310}
311