aboutsummaryrefslogtreecommitdiffstats
path: root/arch
diff options
context:
space:
mode:
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-imx/Kconfig1
-rw-r--r--arch/arm/mach-imx/mach-mx27_3ds.c77
2 files changed, 78 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 0449b80a6092..17d2e608a214 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -242,6 +242,7 @@ config MACH_MX27_3DS
242 select IMX_HAVE_PLATFORM_IMX_UART 242 select IMX_HAVE_PLATFORM_IMX_UART
243 select IMX_HAVE_PLATFORM_MXC_EHCI 243 select IMX_HAVE_PLATFORM_MXC_EHCI
244 select IMX_HAVE_PLATFORM_MXC_MMC 244 select IMX_HAVE_PLATFORM_MXC_MMC
245 select IMX_HAVE_PLATFORM_SPI_IMX
245 select MXC_ULPI if USB_ULPI 246 select MXC_ULPI if USB_ULPI
246 help 247 help
247 Include support for MX27PDK platform. This includes specific 248 Include support for MX27PDK platform. This includes specific
diff --git a/arch/arm/mach-imx/mach-mx27_3ds.c b/arch/arm/mach-imx/mach-mx27_3ds.c
index 0ee7a734832e..6fd0f8f6deb6 100644
--- a/arch/arm/mach-imx/mach-mx27_3ds.c
+++ b/arch/arm/mach-imx/mach-mx27_3ds.c
@@ -26,6 +26,9 @@
26#include <linux/usb/otg.h> 26#include <linux/usb/otg.h>
27#include <linux/usb/ulpi.h> 27#include <linux/usb/ulpi.h>
28#include <linux/delay.h> 28#include <linux/delay.h>
29#include <linux/mfd/mc13783.h>
30#include <linux/spi/spi.h>
31#include <linux/regulator/machine.h>
29 32
30#include <asm/mach-types.h> 33#include <asm/mach-types.h>
31#include <asm/mach/arch.h> 34#include <asm/mach/arch.h>
@@ -39,6 +42,7 @@
39 42
40#define SD1_EN_GPIO (GPIO_PORTB + 25) 43#define SD1_EN_GPIO (GPIO_PORTB + 25)
41#define OTG_PHY_RESET_GPIO (GPIO_PORTB + 23) 44#define OTG_PHY_RESET_GPIO (GPIO_PORTB + 23)
45#define SPI2_SS0 (GPIO_PORTD + 21)
42 46
43static const int mx27pdk_pins[] __initconst = { 47static const int mx27pdk_pins[] __initconst = {
44 /* UART1 */ 48 /* UART1 */
@@ -87,6 +91,10 @@ static const int mx27pdk_pins[] __initconst = {
87 PE2_PF_USBOTG_DIR, 91 PE2_PF_USBOTG_DIR,
88 PE24_PF_USBOTG_CLK, 92 PE24_PF_USBOTG_CLK,
89 PE25_PF_USBOTG_DATA7, 93 PE25_PF_USBOTG_DATA7,
94 /* CSPI2 */
95 PD22_PF_CSPI2_SCLK,
96 PD23_PF_CSPI2_MISO,
97 PD24_PF_CSPI2_MOSI,
90}; 98};
91 99
92static const struct imxuart_platform_data uart_pdata __initconst = { 100static const struct imxuart_platform_data uart_pdata __initconst = {
@@ -176,6 +184,72 @@ static int __init mx27_3ds_otg_mode(char *options)
176} 184}
177__setup("otg_mode=", mx27_3ds_otg_mode); 185__setup("otg_mode=", mx27_3ds_otg_mode);
178 186
187/* Regulators */
188static struct regulator_consumer_supply vmmc1_consumers[] = {
189 REGULATOR_SUPPLY("lcd_2v8", NULL),
190};
191
192static struct regulator_init_data vmmc1_init = {
193 .constraints = {
194 .min_uV = 2800000,
195 .max_uV = 2800000,
196 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
197 },
198 .num_consumer_supplies = ARRAY_SIZE(vmmc1_consumers),
199 .consumer_supplies = vmmc1_consumers,
200};
201
202static struct regulator_consumer_supply vgen_consumers[] = {
203 REGULATOR_SUPPLY("vdd_lcdio", NULL),
204};
205
206static struct regulator_init_data vgen_init = {
207 .constraints = {
208 .min_uV = 1800000,
209 .max_uV = 1800000,
210 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
211 },
212 .num_consumer_supplies = ARRAY_SIZE(vgen_consumers),
213 .consumer_supplies = vgen_consumers,
214};
215
216static struct mc13783_regulator_init_data mx27_3ds_regulators[] = {
217 {
218 .id = MC13783_REGU_VMMC1,
219 .init_data = &vmmc1_init,
220 }, {
221 .id = MC13783_REGU_VGEN,
222 .init_data = &vgen_init,
223 },
224};
225
226/* MC13783 */
227static struct mc13783_platform_data mc13783_pdata __initdata = {
228 .regulators = mx27_3ds_regulators,
229 .num_regulators = ARRAY_SIZE(mx27_3ds_regulators),
230 .flags = MC13783_USE_REGULATOR,
231};
232
233/* SPI */
234static int spi2_internal_chipselect[] = {SPI2_SS0};
235
236static const struct spi_imx_master spi2_pdata __initconst = {
237 .chipselect = spi2_internal_chipselect,
238 .num_chipselect = ARRAY_SIZE(spi2_internal_chipselect),
239};
240
241static struct spi_board_info mx27_3ds_spi_devs[] __initdata = {
242 {
243 .modalias = "mc13783",
244 .max_speed_hz = 1000000,
245 .bus_num = 1,
246 .chip_select = 0, /* SS0 */
247 .platform_data = &mc13783_pdata,
248 .irq = IRQ_GPIOC(14),
249 .mode = SPI_CS_HIGH,
250 },
251};
252
179 253
180static void __init mx27pdk_init(void) 254static void __init mx27pdk_init(void)
181{ 255{
@@ -199,6 +273,9 @@ static void __init mx27pdk_init(void)
199 if (!otg_mode_host) 273 if (!otg_mode_host)
200 imx27_add_fsl_usb2_udc(&otg_device_pdata); 274 imx27_add_fsl_usb2_udc(&otg_device_pdata);
201 275
276 imx27_add_spi_imx1(&spi2_pdata);
277 spi_register_board_info(mx27_3ds_spi_devs,
278 ARRAY_SIZE(mx27_3ds_spi_devs));
202} 279}
203 280
204static void __init mx27pdk_timer_init(void) 281static void __init mx27pdk_timer_init(void)