diff options
author | Sascha Hauer <s.hauer@pengutronix.de> | 2009-09-24 04:01:53 -0400 |
---|---|---|
committer | Sascha Hauer <s.hauer@pengutronix.de> | 2009-10-13 04:24:02 -0400 |
commit | 6153384161222c855bb95ca3eee3b3d89ae2c9dd (patch) | |
tree | ecc72716530504580deeb2b9b63c24a915ec1507 /arch/arm/mach-mx2 | |
parent | de41fddd9ef1fda7e00ad4d6af59013ed9f52953 (diff) |
pcm038: Add SPI/MC13783 support
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-mx2')
-rw-r--r-- | arch/arm/mach-mx2/pcm038.c | 96 |
1 files changed, 94 insertions, 2 deletions
diff --git a/arch/arm/mach-mx2/pcm038.c b/arch/arm/mach-mx2/pcm038.c index ee65dda584cf..906d59b0a7aa 100644 --- a/arch/arm/mach-mx2/pcm038.c +++ b/arch/arm/mach-mx2/pcm038.c | |||
@@ -23,6 +23,10 @@ | |||
23 | #include <linux/mtd/plat-ram.h> | 23 | #include <linux/mtd/plat-ram.h> |
24 | #include <linux/mtd/physmap.h> | 24 | #include <linux/mtd/physmap.h> |
25 | #include <linux/platform_device.h> | 25 | #include <linux/platform_device.h> |
26 | #include <linux/regulator/machine.h> | ||
27 | #include <linux/mfd/mc13783.h> | ||
28 | #include <linux/spi/spi.h> | ||
29 | #include <linux/irq.h> | ||
26 | 30 | ||
27 | #include <asm/mach-types.h> | 31 | #include <asm/mach-types.h> |
28 | #include <asm/mach/arch.h> | 32 | #include <asm/mach/arch.h> |
@@ -35,6 +39,7 @@ | |||
35 | #include <mach/iomux.h> | 39 | #include <mach/iomux.h> |
36 | #include <mach/imx-uart.h> | 40 | #include <mach/imx-uart.h> |
37 | #include <mach/mxc_nand.h> | 41 | #include <mach/mxc_nand.h> |
42 | #include <mach/spi.h> | ||
38 | 43 | ||
39 | #include "devices.h" | 44 | #include "devices.h" |
40 | 45 | ||
@@ -78,8 +83,6 @@ static int pcm038_pins[] = { | |||
78 | PC6_PF_I2C2_SCL, | 83 | PC6_PF_I2C2_SCL, |
79 | /* SPI1 */ | 84 | /* SPI1 */ |
80 | PD25_PF_CSPI1_RDY, | 85 | PD25_PF_CSPI1_RDY, |
81 | PD27_PF_CSPI1_SS1, | ||
82 | PD28_PF_CSPI1_SS0, | ||
83 | PD29_PF_CSPI1_SCLK, | 86 | PD29_PF_CSPI1_SCLK, |
84 | PD30_PF_CSPI1_MISO, | 87 | PD30_PF_CSPI1_MISO, |
85 | PD31_PF_CSPI1_MOSI, | 88 | PD31_PF_CSPI1_MOSI, |
@@ -196,6 +199,86 @@ static struct i2c_board_info pcm038_i2c_devices[] = { | |||
196 | } | 199 | } |
197 | }; | 200 | }; |
198 | 201 | ||
202 | static int pcm038_spi_cs[] = {GPIO_PORTD + 28}; | ||
203 | |||
204 | static struct spi_imx_master pcm038_spi_0_data = { | ||
205 | .chipselect = pcm038_spi_cs, | ||
206 | .num_chipselect = ARRAY_SIZE(pcm038_spi_cs), | ||
207 | }; | ||
208 | |||
209 | static struct regulator_consumer_supply sdhc1_consumers[] = { | ||
210 | { | ||
211 | .dev = &mxc_sdhc_device1.dev, | ||
212 | .supply = "sdhc_vcc", | ||
213 | }, | ||
214 | }; | ||
215 | |||
216 | static struct regulator_init_data sdhc1_data = { | ||
217 | .constraints = { | ||
218 | .min_uV = 3000000, | ||
219 | .max_uV = 3400000, | ||
220 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | | ||
221 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, | ||
222 | .valid_modes_mask = REGULATOR_MODE_NORMAL | | ||
223 | REGULATOR_MODE_FAST, | ||
224 | .always_on = 0, | ||
225 | .boot_on = 0, | ||
226 | }, | ||
227 | .num_consumer_supplies = ARRAY_SIZE(sdhc1_consumers), | ||
228 | .consumer_supplies = sdhc1_consumers, | ||
229 | }; | ||
230 | |||
231 | static struct regulator_consumer_supply cam_consumers[] = { | ||
232 | { | ||
233 | .dev = NULL, | ||
234 | .supply = "imx_cam_vcc", | ||
235 | }, | ||
236 | }; | ||
237 | |||
238 | static struct regulator_init_data cam_data = { | ||
239 | .constraints = { | ||
240 | .min_uV = 3000000, | ||
241 | .max_uV = 3400000, | ||
242 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | | ||
243 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, | ||
244 | .valid_modes_mask = REGULATOR_MODE_NORMAL | | ||
245 | REGULATOR_MODE_FAST, | ||
246 | .always_on = 0, | ||
247 | .boot_on = 0, | ||
248 | }, | ||
249 | .num_consumer_supplies = ARRAY_SIZE(cam_consumers), | ||
250 | .consumer_supplies = cam_consumers, | ||
251 | }; | ||
252 | |||
253 | struct mc13783_regulator_init_data pcm038_regulators[] = { | ||
254 | { | ||
255 | .id = MC13783_REGU_VCAM, | ||
256 | .init_data = &cam_data, | ||
257 | }, { | ||
258 | .id = MC13783_REGU_VMMC1, | ||
259 | .init_data = &sdhc1_data, | ||
260 | }, | ||
261 | }; | ||
262 | |||
263 | static struct mc13783_platform_data pcm038_pmic = { | ||
264 | .regulators = pcm038_regulators, | ||
265 | .num_regulators = ARRAY_SIZE(pcm038_regulators), | ||
266 | .flags = MC13783_USE_ADC | MC13783_USE_REGULATOR | | ||
267 | MC13783_USE_TOUCHSCREEN, | ||
268 | }; | ||
269 | |||
270 | static struct spi_board_info pcm038_spi_board_info[] __initdata = { | ||
271 | { | ||
272 | .modalias = "mc13783", | ||
273 | .irq = IRQ_GPIOB(23), | ||
274 | .max_speed_hz = 300000, | ||
275 | .bus_num = 0, | ||
276 | .chip_select = 0, | ||
277 | .platform_data = &pcm038_pmic, | ||
278 | .mode = SPI_CS_HIGH, | ||
279 | } | ||
280 | }; | ||
281 | |||
199 | static void __init pcm038_init(void) | 282 | static void __init pcm038_init(void) |
200 | { | 283 | { |
201 | mxc_gpio_setup_multiple_pins(pcm038_pins, ARRAY_SIZE(pcm038_pins), | 284 | mxc_gpio_setup_multiple_pins(pcm038_pins, ARRAY_SIZE(pcm038_pins), |
@@ -219,6 +302,15 @@ static void __init pcm038_init(void) | |||
219 | /* PE18 for user-LED D40 */ | 302 | /* PE18 for user-LED D40 */ |
220 | mxc_gpio_mode(GPIO_PORTE | 18 | GPIO_GPIO | GPIO_OUT); | 303 | mxc_gpio_mode(GPIO_PORTE | 18 | GPIO_GPIO | GPIO_OUT); |
221 | 304 | ||
305 | mxc_gpio_mode(GPIO_PORTD | 28 | GPIO_GPIO | GPIO_OUT); | ||
306 | |||
307 | /* MC13783 IRQ */ | ||
308 | mxc_gpio_mode(GPIO_PORTB | 23 | GPIO_GPIO | GPIO_IN); | ||
309 | |||
310 | mxc_register_device(&mxc_spi_device0, &pcm038_spi_0_data); | ||
311 | spi_register_board_info(pcm038_spi_board_info, | ||
312 | ARRAY_SIZE(pcm038_spi_board_info)); | ||
313 | |||
222 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); | 314 | platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); |
223 | 315 | ||
224 | #ifdef CONFIG_MACH_PCM970_BASEBOARD | 316 | #ifdef CONFIG_MACH_PCM970_BASEBOARD |