2 * mach-imx27_visstrim_m10.c
4 * Copyright 2010 Javier Martin <javier.martin@vista-silicon.com>
6 * Based on mach-pcm038.c, mach-pca100.c, mach-mx27ads.c and others.
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.
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.
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,
24 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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/input.h>
31 #include <linux/gpio.h>
32 #include <linux/delay.h>
33 #include <sound/tlv320aic32x4.h>
34 #include <asm/mach-types.h>
35 #include <asm/mach/arch.h>
36 #include <asm/mach/time.h>
37 #include <mach/common.h>
38 #include <mach/iomux-mx27.h>
40 #include "devices-imx27.h"
42 #define OTG_PHY_CS_GPIO (GPIO_PORTF + 17)
43 #define SDHC1_IRQ IRQ_GPIOB(25)
45 static const int visstrim_m10_pins
[] __initconst
= {
88 OTG_PHY_CS_GPIO
| GPIO_GPIO
| GPIO_OUT
,
105 /* GPIOs used as events for applications */
106 static struct gpio_keys_button visstrim_gpio_keys
[] = {
110 .gpio
= (GPIO_PORTC
+ 15),
111 .desc
= "Default config",
118 .gpio
= (GPIO_PORTF
+ 14),
126 .gpio
= (GPIO_PORTF
+ 13),
133 static const struct gpio_keys_platform_data
134 visstrim_gpio_keys_platform_data __initconst
= {
135 .buttons
= visstrim_gpio_keys
,
136 .nbuttons
= ARRAY_SIZE(visstrim_gpio_keys
),
139 /* Visstrim_SM10 has a microSD slot connected to sdhc1 */
140 static int visstrim_m10_sdhc1_init(struct device
*dev
,
141 irq_handler_t detect_irq
, void *data
)
145 ret
= request_irq(SDHC1_IRQ
, detect_irq
, IRQF_TRIGGER_FALLING
,
150 static void visstrim_m10_sdhc1_exit(struct device
*dev
, void *data
)
152 free_irq(SDHC1_IRQ
, data
);
155 static const struct imxmmc_platform_data visstrim_m10_sdhc_pdata __initconst
= {
156 .init
= visstrim_m10_sdhc1_init
,
157 .exit
= visstrim_m10_sdhc1_exit
,
160 /* Visstrim_SM10 NOR flash */
161 static struct physmap_flash_data visstrim_m10_flash_data
= {
165 static struct resource visstrim_m10_flash_resource
= {
167 .end
= 0xc0000000 + SZ_64M
- 1,
168 .flags
= IORESOURCE_MEM
,
171 static struct platform_device visstrim_m10_nor_mtd_device
= {
172 .name
= "physmap-flash",
175 .platform_data
= &visstrim_m10_flash_data
,
178 .resource
= &visstrim_m10_flash_resource
,
181 static struct platform_device
*platform_devices
[] __initdata
= {
182 &visstrim_m10_nor_mtd_device
,
185 /* Visstrim_M10 uses UART0 as console */
186 static const struct imxuart_platform_data uart_pdata __initconst
= {
187 .flags
= IMXUART_HAVE_RTSCTS
,
191 static const struct imxi2c_platform_data visstrim_m10_i2c_data __initconst
= {
195 static struct pca953x_platform_data visstrim_m10_pca9555_pdata
= {
196 .gpio_base
= 240, /* After MX27 internal GPIOs */
200 static struct aic32x4_pdata visstrim_m10_aic32x4_pdata
= {
201 .power_cfg
= AIC32X4_PWR_MICBIAS_2075_LDOIN
|
202 AIC32X4_PWR_AVDD_DVDD_WEAK_DISABLE
|
203 AIC32X4_PWR_AIC32X4_LDO_ENABLE
|
204 AIC32X4_PWR_CMMODE_LDOIN_RANGE_18_36
|
205 AIC32X4_PWR_CMMODE_HP_LDOIN_POWERED
,
206 .micpga_routing
= AIC32X4_MICPGA_ROUTE_LMIC_IN2R_10K
|
207 AIC32X4_MICPGA_ROUTE_RMIC_IN1L_10K
,
211 static struct i2c_board_info visstrim_m10_i2c_devices
[] = {
213 I2C_BOARD_INFO("pca9555", 0x20),
214 .platform_data
= &visstrim_m10_pca9555_pdata
,
217 I2C_BOARD_INFO("tlv320aic32x4", 0x18),
218 .platform_data
= &visstrim_m10_aic32x4_pdata
,
223 static int otg_phy_init(struct platform_device
*pdev
)
225 gpio_set_value(OTG_PHY_CS_GPIO
, 0);
229 return mx27_initialize_usb_hw(pdev
->id
, MXC_EHCI_POWER_PINS_ENABLED
);
232 static const struct mxc_usbh_platform_data
233 visstrim_m10_usbotg_pdata __initconst
= {
234 .init
= otg_phy_init
,
235 .portsc
= MXC_EHCI_MODE_ULPI
| MXC_EHCI_UTMI_8BIT
,
239 static const struct imx_ssi_platform_data visstrim_m10_ssi_pdata __initconst
= {
240 .flags
= IMX_SSI_DMA
| IMX_SSI_SYN
,
243 static void __init
visstrim_m10_board_init(void)
249 ret
= mxc_gpio_setup_multiple_pins(visstrim_m10_pins
,
250 ARRAY_SIZE(visstrim_m10_pins
), "VISSTRIM_M10");
252 pr_err("Failed to setup pins (%d)\n", ret
);
254 imx27_add_imx_ssi(0, &visstrim_m10_ssi_pdata
);
255 imx27_add_imx_uart0(&uart_pdata
);
257 i2c_register_board_info(0, visstrim_m10_i2c_devices
,
258 ARRAY_SIZE(visstrim_m10_i2c_devices
));
259 imx27_add_imx_i2c(0, &visstrim_m10_i2c_data
);
260 imx27_add_imx_i2c(1, &visstrim_m10_i2c_data
);
261 imx27_add_mxc_mmc(0, &visstrim_m10_sdhc_pdata
);
262 imx27_add_mxc_ehci_otg(&visstrim_m10_usbotg_pdata
);
264 imx_add_gpio_keys(&visstrim_gpio_keys_platform_data
);
265 platform_add_devices(platform_devices
, ARRAY_SIZE(platform_devices
));
268 static void __init
visstrim_m10_timer_init(void)
270 mx27_clocks_init((unsigned long)25000000);
273 static struct sys_timer visstrim_m10_timer
= {
274 .init
= visstrim_m10_timer_init
,
277 MACHINE_START(IMX27_VISSTRIM_M10
, "Vista Silicon Visstrim_M10")
278 .atag_offset
= 0x100,
279 .map_io
= mx27_map_io
,
280 .init_early
= imx27_init_early
,
281 .init_irq
= mx27_init_irq
,
282 .handle_irq
= imx27_handle_irq
,
283 .timer
= &visstrim_m10_timer
,
284 .init_machine
= visstrim_m10_board_init
,
285 .restart
= mxc_restart
,