diff options
Diffstat (limited to 'arch/arm/mach-imx/mach-imx27_visstrim_m10.c')
-rw-r--r-- | arch/arm/mach-imx/mach-imx27_visstrim_m10.c | 263 |
1 files changed, 263 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/mach-imx27_visstrim_m10.c b/arch/arm/mach-imx/mach-imx27_visstrim_m10.c new file mode 100644 index 000000000000..a0d78faa08e8 --- /dev/null +++ b/arch/arm/mach-imx/mach-imx27_visstrim_m10.c | |||
@@ -0,0 +1,263 @@ | |||
1 | /* | ||
2 | * mach-imx27_visstrim_m10.c | ||
3 | * | ||
4 | * Copyright 2010 Javier Martin <javier.martin@vista-silicon.com> | ||
5 | * | ||
6 | * Based on mach-pcm038.c, mach-pca100.c, mach-mx27ads.c and others. | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or modify | ||
9 | * it under the terms of the GNU General Public License as published by | ||
10 | * the Free Software Foundation; either version 2 of the License, or | ||
11 | * (at your option) any later version. | ||
12 | * | ||
13 | * This program is distributed in the hope that it will be useful, | ||
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
16 | * GNU General Public License for more details. | ||
17 | * | ||
18 | * You should have received a copy of the GNU General Public License | ||
19 | * along with this program; if not, write to the Free Software | ||
20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, | ||
21 | * MA 02110-1301, USA. | ||
22 | */ | ||
23 | |||
24 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | ||
25 | |||
26 | #include <linux/platform_device.h> | ||
27 | #include <linux/mtd/physmap.h> | ||
28 | #include <linux/i2c.h> | ||
29 | #include <linux/i2c/pca953x.h> | ||
30 | #include <linux/gpio_keys.h> | ||
31 | #include <linux/input.h> | ||
32 | #include <linux/gpio.h> | ||
33 | #include <asm/mach-types.h> | ||
34 | #include <asm/mach/arch.h> | ||
35 | #include <asm/mach/time.h> | ||
36 | #include <mach/common.h> | ||
37 | #include <mach/mmc.h> | ||
38 | #include <mach/iomux.h> | ||
39 | #include <mach/mxc_ehci.h> | ||
40 | |||
41 | #include "devices-imx27.h" | ||
42 | #include "devices.h" | ||
43 | |||
44 | #define OTG_PHY_CS_GPIO (GPIO_PORTF + 17) | ||
45 | #define SDHC1_IRQ IRQ_GPIOB(25) | ||
46 | |||
47 | static const int visstrim_m10_pins[] __initconst = { | ||
48 | /* UART1 (console) */ | ||
49 | PE12_PF_UART1_TXD, | ||
50 | PE13_PF_UART1_RXD, | ||
51 | PE14_PF_UART1_CTS, | ||
52 | PE15_PF_UART1_RTS, | ||
53 | /* FEC */ | ||
54 | PD0_AIN_FEC_TXD0, | ||
55 | PD1_AIN_FEC_TXD1, | ||
56 | PD2_AIN_FEC_TXD2, | ||
57 | PD3_AIN_FEC_TXD3, | ||
58 | PD4_AOUT_FEC_RX_ER, | ||
59 | PD5_AOUT_FEC_RXD1, | ||
60 | PD6_AOUT_FEC_RXD2, | ||
61 | PD7_AOUT_FEC_RXD3, | ||
62 | PD8_AF_FEC_MDIO, | ||
63 | PD9_AIN_FEC_MDC, | ||
64 | PD10_AOUT_FEC_CRS, | ||
65 | PD11_AOUT_FEC_TX_CLK, | ||
66 | PD12_AOUT_FEC_RXD0, | ||
67 | PD13_AOUT_FEC_RX_DV, | ||
68 | PD14_AOUT_FEC_RX_CLK, | ||
69 | PD15_AOUT_FEC_COL, | ||
70 | PD16_AIN_FEC_TX_ER, | ||
71 | PF23_AIN_FEC_TX_EN, | ||
72 | /* SDHC1 */ | ||
73 | PE18_PF_SD1_D0, | ||
74 | PE19_PF_SD1_D1, | ||
75 | PE20_PF_SD1_D2, | ||
76 | PE21_PF_SD1_D3, | ||
77 | PE22_PF_SD1_CMD, | ||
78 | PE23_PF_SD1_CLK, | ||
79 | /* Both I2Cs */ | ||
80 | PD17_PF_I2C_DATA, | ||
81 | PD18_PF_I2C_CLK, | ||
82 | PC5_PF_I2C2_SDA, | ||
83 | PC6_PF_I2C2_SCL, | ||
84 | /* USB OTG */ | ||
85 | OTG_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT, | ||
86 | PC9_PF_USBOTG_DATA0, | ||
87 | PC11_PF_USBOTG_DATA1, | ||
88 | PC10_PF_USBOTG_DATA2, | ||
89 | PC13_PF_USBOTG_DATA3, | ||
90 | PC12_PF_USBOTG_DATA4, | ||
91 | PC7_PF_USBOTG_DATA5, | ||
92 | PC8_PF_USBOTG_DATA6, | ||
93 | PE25_PF_USBOTG_DATA7, | ||
94 | PE24_PF_USBOTG_CLK, | ||
95 | PE2_PF_USBOTG_DIR, | ||
96 | PE0_PF_USBOTG_NXT, | ||
97 | PE1_PF_USBOTG_STP, | ||
98 | PB23_PF_USB_PWR, | ||
99 | PB24_PF_USB_OC, | ||
100 | }; | ||
101 | |||
102 | /* GPIOs used as events for applications */ | ||
103 | static struct gpio_keys_button visstrim_gpio_keys[] = { | ||
104 | { | ||
105 | .type = EV_KEY, | ||
106 | .code = KEY_RESTART, | ||
107 | .gpio = (GPIO_PORTC + 15), | ||
108 | .desc = "Default config", | ||
109 | .active_low = 0, | ||
110 | .wakeup = 1, | ||
111 | }, | ||
112 | { | ||
113 | .type = EV_KEY, | ||
114 | .code = KEY_RECORD, | ||
115 | .gpio = (GPIO_PORTF + 14), | ||
116 | .desc = "Record", | ||
117 | .active_low = 0, | ||
118 | .wakeup = 1, | ||
119 | }, | ||
120 | { | ||
121 | .type = EV_KEY, | ||
122 | .code = KEY_STOP, | ||
123 | .gpio = (GPIO_PORTF + 13), | ||
124 | .desc = "Stop", | ||
125 | .active_low = 0, | ||
126 | .wakeup = 1, | ||
127 | } | ||
128 | }; | ||
129 | |||
130 | static struct gpio_keys_platform_data visstrim_gpio_keys_platform_data = { | ||
131 | .buttons = visstrim_gpio_keys, | ||
132 | .nbuttons = ARRAY_SIZE(visstrim_gpio_keys), | ||
133 | }; | ||
134 | |||
135 | static struct platform_device visstrim_gpio_keys_device = { | ||
136 | .name = "gpio-keys", | ||
137 | .id = -1, | ||
138 | .dev = { | ||
139 | .platform_data = &visstrim_gpio_keys_platform_data, | ||
140 | }, | ||
141 | }; | ||
142 | |||
143 | /* Visstrim_SM10 has a microSD slot connected to sdhc1 */ | ||
144 | static int visstrim_m10_sdhc1_init(struct device *dev, | ||
145 | irq_handler_t detect_irq, void *data) | ||
146 | { | ||
147 | int ret; | ||
148 | |||
149 | ret = request_irq(SDHC1_IRQ, detect_irq, IRQF_TRIGGER_FALLING, | ||
150 | "mmc-detect", data); | ||
151 | return ret; | ||
152 | } | ||
153 | |||
154 | static void visstrim_m10_sdhc1_exit(struct device *dev, void *data) | ||
155 | { | ||
156 | free_irq(SDHC1_IRQ, data); | ||
157 | } | ||
158 | |||
159 | static struct imxmmc_platform_data visstrim_m10_sdhc_pdata = { | ||
160 | .init = visstrim_m10_sdhc1_init, | ||
161 | .exit = visstrim_m10_sdhc1_exit, | ||
162 | }; | ||
163 | |||
164 | /* Visstrim_SM10 NOR flash */ | ||
165 | static struct physmap_flash_data visstrim_m10_flash_data = { | ||
166 | .width = 2, | ||
167 | }; | ||
168 | |||
169 | static struct resource visstrim_m10_flash_resource = { | ||
170 | .start = 0xc0000000, | ||
171 | .end = 0xc0000000 + SZ_64M - 1, | ||
172 | .flags = IORESOURCE_MEM, | ||
173 | }; | ||
174 | |||
175 | static struct platform_device visstrim_m10_nor_mtd_device = { | ||
176 | .name = "physmap-flash", | ||
177 | .id = 0, | ||
178 | .dev = { | ||
179 | .platform_data = &visstrim_m10_flash_data, | ||
180 | }, | ||
181 | .num_resources = 1, | ||
182 | .resource = &visstrim_m10_flash_resource, | ||
183 | }; | ||
184 | |||
185 | static struct platform_device *platform_devices[] __initdata = { | ||
186 | &visstrim_gpio_keys_device, | ||
187 | &visstrim_m10_nor_mtd_device, | ||
188 | }; | ||
189 | |||
190 | /* Visstrim_M10 uses UART0 as console */ | ||
191 | static const struct imxuart_platform_data uart_pdata __initconst = { | ||
192 | .flags = IMXUART_HAVE_RTSCTS, | ||
193 | }; | ||
194 | |||
195 | /* I2C */ | ||
196 | static const struct imxi2c_platform_data visstrim_m10_i2c_data __initconst = { | ||
197 | .bitrate = 100000, | ||
198 | }; | ||
199 | |||
200 | static struct pca953x_platform_data visstrim_m10_pca9555_pdata = { | ||
201 | .gpio_base = 240, /* After MX27 internal GPIOs */ | ||
202 | .invert = 0, | ||
203 | }; | ||
204 | |||
205 | static struct i2c_board_info visstrim_m10_i2c_devices[] = { | ||
206 | { | ||
207 | I2C_BOARD_INFO("pca9555", 0x20), | ||
208 | .platform_data = &visstrim_m10_pca9555_pdata, | ||
209 | }, | ||
210 | }; | ||
211 | |||
212 | /* USB OTG */ | ||
213 | static int otg_phy_init(struct platform_device *pdev) | ||
214 | { | ||
215 | gpio_set_value(OTG_PHY_CS_GPIO, 0); | ||
216 | return 0; | ||
217 | } | ||
218 | |||
219 | static struct mxc_usbh_platform_data visstrim_m10_usbotg_pdata = { | ||
220 | .init = otg_phy_init, | ||
221 | .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT, | ||
222 | .flags = MXC_EHCI_POWER_PINS_ENABLED, | ||
223 | }; | ||
224 | |||
225 | static void __init visstrim_m10_board_init(void) | ||
226 | { | ||
227 | int ret; | ||
228 | |||
229 | ret = mxc_gpio_setup_multiple_pins(visstrim_m10_pins, | ||
230 | ARRAY_SIZE(visstrim_m10_pins), "VISSTRIM_M10"); | ||
231 | if (ret) | ||
232 | pr_err("Failed to setup pins (%d)\n", ret); | ||
233 | |||
234 | imx27_add_imx_uart0(&uart_pdata); | ||
235 | |||
236 | i2c_register_board_info(0, visstrim_m10_i2c_devices, | ||
237 | ARRAY_SIZE(visstrim_m10_i2c_devices)); | ||
238 | imx27_add_imx_i2c(0, &visstrim_m10_i2c_data); | ||
239 | imx27_add_imx_i2c(1, &visstrim_m10_i2c_data); | ||
240 | mxc_register_device(&mxc_sdhc_device0, &visstrim_m10_sdhc_pdata); | ||
241 | mxc_register_device(&mxc_otg_host, &visstrim_m10_usbotg_pdata); | ||
242 | imx27_add_fec(NULL); | ||
243 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); | ||
244 | } | ||
245 | |||
246 | static void __init visstrim_m10_timer_init(void) | ||
247 | { | ||
248 | mx27_clocks_init((unsigned long)25000000); | ||
249 | } | ||
250 | |||
251 | static struct sys_timer visstrim_m10_timer = { | ||
252 | .init = visstrim_m10_timer_init, | ||
253 | }; | ||
254 | |||
255 | MACHINE_START(IMX27_VISSTRIM_M10, "Vista Silicon Visstrim_M10") | ||
256 | .phys_io = MX27_AIPI_BASE_ADDR, | ||
257 | .io_pg_offst = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc, | ||
258 | .boot_params = MX27_PHYS_OFFSET + 0x100, | ||
259 | .map_io = mx27_map_io, | ||
260 | .init_irq = mx27_init_irq, | ||
261 | .init_machine = visstrim_m10_board_init, | ||
262 | .timer = &visstrim_m10_timer, | ||
263 | MACHINE_END | ||