treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157
[sfrench/cifs-2.6.git] / arch / arm / mach-imx / mach-mx31lilly.c
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  *  LILLY-1131 module support
4  *
5  *    Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
6  *
7  *  based on code for other MX31 boards,
8  *
9  *    Copyright 2005-2007 Freescale Semiconductor
10  *    Copyright (c) 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com>
11  *    Copyright (C) 2009 Valentin Longchamp, EPFL Mobots group
12  */
13
14 #include <linux/types.h>
15 #include <linux/init.h>
16 #include <linux/clk.h>
17 #include <linux/gpio.h>
18 #include <linux/delay.h>
19 #include <linux/platform_device.h>
20 #include <linux/interrupt.h>
21 #include <linux/moduleparam.h>
22 #include <linux/smsc911x.h>
23 #include <linux/mtd/physmap.h>
24 #include <linux/spi/spi.h>
25 #include <linux/mfd/mc13783.h>
26 #include <linux/usb/otg.h>
27 #include <linux/usb/ulpi.h>
28 #include <linux/regulator/machine.h>
29 #include <linux/regulator/fixed.h>
30
31 #include <asm/mach-types.h>
32 #include <asm/mach/arch.h>
33 #include <asm/mach/time.h>
34 #include <asm/mach/map.h>
35
36 #include "board-mx31lilly.h"
37 #include "common.h"
38 #include "devices-imx31.h"
39 #include "ehci.h"
40 #include "hardware.h"
41 #include "iomux-mx3.h"
42 #include "ulpi.h"
43
44 /*
45  * This file contains module-specific initialization routines for LILLY-1131.
46  * Initialization of peripherals found on the baseboard is implemented in the
47  * appropriate baseboard support code.
48  */
49
50 static unsigned int mx31lilly_pins[] __initdata = {
51         MX31_PIN_CTS1__CTS1,
52         MX31_PIN_RTS1__RTS1,
53         MX31_PIN_TXD1__TXD1,
54         MX31_PIN_RXD1__RXD1,
55         MX31_PIN_CTS2__CTS2,
56         MX31_PIN_RTS2__RTS2,
57         MX31_PIN_TXD2__TXD2,
58         MX31_PIN_RXD2__RXD2,
59         MX31_PIN_CSPI3_MOSI__RXD3,
60         MX31_PIN_CSPI3_MISO__TXD3,
61         MX31_PIN_CSPI3_SCLK__RTS3,
62         MX31_PIN_CSPI3_SPI_RDY__CTS3,
63 };
64
65 /* UART */
66 static const struct imxuart_platform_data uart_pdata __initconst = {
67         .flags = IMXUART_HAVE_RTSCTS,
68 };
69
70 /* SMSC ethernet support */
71
72 static struct resource smsc91x_resources[] = {
73         {
74                 .start  = MX31_CS4_BASE_ADDR,
75                 .end    = MX31_CS4_BASE_ADDR + 0xffff,
76                 .flags  = IORESOURCE_MEM,
77         },
78         {
79                 /* irq number is run-time assigned */
80                 .flags  = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
81         }
82 };
83
84 static struct smsc911x_platform_config smsc911x_config = {
85         .phy_interface  = PHY_INTERFACE_MODE_MII,
86         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
87         .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
88         .flags          = SMSC911X_USE_32BIT |
89                           SMSC911X_SAVE_MAC_ADDRESS |
90                           SMSC911X_FORCE_INTERNAL_PHY,
91 };
92
93 static struct platform_device smsc91x_device = {
94         .name           = "smsc911x",
95         .id             = -1,
96         .num_resources  = ARRAY_SIZE(smsc91x_resources),
97         .resource       = smsc91x_resources,
98         .dev            = {
99                 .platform_data = &smsc911x_config,
100         }
101 };
102
103 /* NOR flash */
104 static struct physmap_flash_data nor_flash_data = {
105         .width  = 2,
106 };
107
108 static struct resource nor_flash_resource = {
109         .start  = 0xa0000000,
110         .end    = 0xa1ffffff,
111         .flags  = IORESOURCE_MEM,
112 };
113
114 static struct platform_device physmap_flash_device = {
115         .name   = "physmap-flash",
116         .id     = 0,
117         .dev    = {
118                 .platform_data  = &nor_flash_data,
119         },
120         .resource = &nor_flash_resource,
121         .num_resources = 1,
122 };
123
124 /* USB */
125
126 #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
127                         PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
128
129 static int usbh1_init(struct platform_device *pdev)
130 {
131         int pins[] = {
132                 MX31_PIN_CSPI1_MOSI__USBH1_RXDM,
133                 MX31_PIN_CSPI1_MISO__USBH1_RXDP,
134                 MX31_PIN_CSPI1_SS0__USBH1_TXDM,
135                 MX31_PIN_CSPI1_SS1__USBH1_TXDP,
136                 MX31_PIN_CSPI1_SS2__USBH1_RCV,
137                 MX31_PIN_CSPI1_SCLK__USBH1_OEB,
138                 MX31_PIN_CSPI1_SPI_RDY__USBH1_FS,
139         };
140
141         mxc_iomux_setup_multiple_pins(pins, ARRAY_SIZE(pins), "USB H1");
142
143         mxc_iomux_set_pad(MX31_PIN_CSPI1_MOSI, USB_PAD_CFG);
144         mxc_iomux_set_pad(MX31_PIN_CSPI1_MISO, USB_PAD_CFG);
145         mxc_iomux_set_pad(MX31_PIN_CSPI1_SS0, USB_PAD_CFG);
146         mxc_iomux_set_pad(MX31_PIN_CSPI1_SS1, USB_PAD_CFG);
147         mxc_iomux_set_pad(MX31_PIN_CSPI1_SS2, USB_PAD_CFG);
148         mxc_iomux_set_pad(MX31_PIN_CSPI1_SCLK, USB_PAD_CFG);
149         mxc_iomux_set_pad(MX31_PIN_CSPI1_SPI_RDY, USB_PAD_CFG);
150
151         mxc_iomux_set_gpr(MUX_PGP_USB_SUSPEND, true);
152
153         mdelay(10);
154
155         return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED |
156                         MXC_EHCI_INTERFACE_SINGLE_UNI);
157 }
158
159 static int usbh2_init(struct platform_device *pdev)
160 {
161         int pins[] = {
162                 MX31_PIN_USBH2_DATA0__USBH2_DATA0,
163                 MX31_PIN_USBH2_DATA1__USBH2_DATA1,
164                 MX31_PIN_USBH2_CLK__USBH2_CLK,
165                 MX31_PIN_USBH2_DIR__USBH2_DIR,
166                 MX31_PIN_USBH2_NXT__USBH2_NXT,
167                 MX31_PIN_USBH2_STP__USBH2_STP,
168         };
169
170         mxc_iomux_setup_multiple_pins(pins, ARRAY_SIZE(pins), "USB H2");
171
172         mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG);
173         mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG);
174         mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG);
175         mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG);
176         mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG);
177         mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG);
178         mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG);
179         mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG);
180         mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG);
181         mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG);
182         mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG);
183         mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG);
184
185         mxc_iomux_set_gpr(MUX_PGP_UH2, true);
186
187         /* chip select */
188         mxc_iomux_alloc_pin(IOMUX_MODE(MX31_PIN_DTR_DCE1, IOMUX_CONFIG_GPIO),
189                                 "USBH2_CS");
190         gpio_request(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1), "USBH2 CS");
191         gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1), 0);
192
193         mdelay(10);
194
195         return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
196 }
197
198 static const struct mxc_usbh_platform_data usbh1_pdata __initconst = {
199         .init   = usbh1_init,
200         .portsc = MXC_EHCI_MODE_UTMI | MXC_EHCI_SERIAL,
201 };
202
203 static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
204         .init   = usbh2_init,
205         .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
206 };
207
208 static void __init lilly1131_usb_init(void)
209 {
210         imx31_add_mxc_ehci_hs(1, &usbh1_pdata);
211
212         usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
213                         ULPI_OTG_DRVVBUS_EXT);
214         if (usbh2_pdata.otg)
215                 imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
216 }
217
218 /* SPI */
219
220 static const struct spi_imx_master spi0_pdata __initconst = {
221         .num_chipselect = 3,
222 };
223
224 static const struct spi_imx_master spi1_pdata __initconst = {
225         .num_chipselect = 3,
226 };
227
228 static struct mc13xxx_platform_data mc13783_pdata __initdata = {
229         .flags = MC13XXX_USE_RTC | MC13XXX_USE_TOUCHSCREEN,
230 };
231
232 static struct spi_board_info mc13783_dev __initdata = {
233         .modalias       = "mc13783",
234         .max_speed_hz   = 1000000,
235         .bus_num        = 1,
236         .chip_select    = 0,
237         .platform_data  = &mc13783_pdata,
238         /* irq number is run-time assigned */
239 };
240
241 static struct platform_device *devices[] __initdata = {
242         &smsc91x_device,
243         &physmap_flash_device,
244 };
245
246 static int mx31lilly_baseboard;
247 core_param(mx31lilly_baseboard, mx31lilly_baseboard, int, 0444);
248
249 static struct regulator_consumer_supply dummy_supplies[] = {
250         REGULATOR_SUPPLY("vdd33a", "smsc911x"),
251         REGULATOR_SUPPLY("vddvario", "smsc911x"),
252 };
253
254 static void __init mx31lilly_board_init(void)
255 {
256         imx31_soc_init();
257
258         mxc_iomux_setup_multiple_pins(mx31lilly_pins,
259                                       ARRAY_SIZE(mx31lilly_pins), "mx31lily");
260
261         imx31_add_imx_uart0(&uart_pdata);
262         imx31_add_imx_uart1(&uart_pdata);
263         imx31_add_imx_uart2(&uart_pdata);
264
265         mxc_iomux_alloc_pin(MX31_PIN_CS4__CS4, "Ethernet CS");
266
267         /* SPI */
268         mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SCLK__SCLK, "SPI1_CLK");
269         mxc_iomux_alloc_pin(MX31_PIN_CSPI1_MOSI__MOSI, "SPI1_TX");
270         mxc_iomux_alloc_pin(MX31_PIN_CSPI1_MISO__MISO, "SPI1_RX");
271         mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SPI_RDY__SPI_RDY, "SPI1_RDY");
272         mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS0__SS0, "SPI1_SS0");
273         mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS1__SS1, "SPI1_SS1");
274         mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS2__SS2, "SPI1_SS2");
275
276         mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SCLK__SCLK, "SPI2_CLK");
277         mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MOSI__MOSI, "SPI2_TX");
278         mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MISO__MISO, "SPI2_RX");
279         mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SPI_RDY__SPI_RDY, "SPI2_RDY");
280         mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS0__SS0, "SPI2_SS0");
281         mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS1__SS1, "SPI2_SS1");
282         mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS2__SS2, "SPI2_SS2");
283
284         imx31_add_spi_imx0(&spi0_pdata);
285         imx31_add_spi_imx1(&spi1_pdata);
286
287         regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
288 }
289
290 static void __init mx31lilly_late_init(void)
291 {
292         if (mx31lilly_baseboard == MX31LILLY_DB)
293                 mx31lilly_db_init();
294
295         mc13783_dev.irq = gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3));
296         spi_register_board_info(&mc13783_dev, 1);
297
298         smsc91x_resources[1].start =
299                         gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_0));
300         smsc91x_resources[1].end =
301                         gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_0));
302         platform_add_devices(devices, ARRAY_SIZE(devices));
303
304         /* USB */
305         lilly1131_usb_init();
306 }
307
308 static void __init mx31lilly_timer_init(void)
309 {
310         mx31_clocks_init(26000000);
311 }
312
313 MACHINE_START(LILLY1131, "INCO startec LILLY-1131")
314         .atag_offset = 0x100,
315         .map_io = mx31_map_io,
316         .init_early = imx31_init_early,
317         .init_irq = mx31_init_irq,
318         .init_time      = mx31lilly_timer_init,
319         .init_machine   = mx31lilly_board_init,
320         .init_late      = mx31lilly_late_init,
321         .restart        = mxc_restart,
322 MACHINE_END