2 * TI DA850/OMAP-L138 EVM board
4 * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/
6 * Derived from: arch/arm/mach-davinci/board-da830-evm.c
7 * Original Copyrights follow:
9 * 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under
10 * the terms of the GNU General Public License version 2. This program
11 * is licensed "as is" without any warranty of any kind, whether express
14 #include <linux/kernel.h>
15 #include <linux/init.h>
16 #include <linux/console.h>
17 #include <linux/i2c.h>
18 #include <linux/i2c/at24.h>
19 #include <linux/i2c/pca953x.h>
20 #include <linux/gpio.h>
21 #include <linux/platform_device.h>
22 #include <linux/mtd/mtd.h>
23 #include <linux/mtd/nand.h>
24 #include <linux/mtd/partitions.h>
25 #include <linux/mtd/physmap.h>
26 #include <linux/regulator/machine.h>
28 #include <asm/mach-types.h>
29 #include <asm/mach/arch.h>
31 #include <mach/cp_intc.h>
32 #include <mach/da8xx.h>
33 #include <mach/nand.h>
36 #define DA850_EVM_PHY_MASK 0x1
37 #define DA850_EVM_MDIO_FREQUENCY 2200000 /* PHY bus frequency */
39 #define DA850_LCD_PWR_PIN GPIO_TO_PIN(2, 8)
40 #define DA850_LCD_BL_PIN GPIO_TO_PIN(2, 15)
42 #define DA850_MMCSD_CD_PIN GPIO_TO_PIN(4, 0)
43 #define DA850_MMCSD_WP_PIN GPIO_TO_PIN(4, 1)
45 #define DA850_MII_MDIO_CLKEN_PIN GPIO_TO_PIN(2, 6)
47 static struct mtd_partition da850_evm_norflash_partition[] = {
49 .name = "bootloaders + env",
52 .mask_flags = MTD_WRITEABLE,
56 .offset = MTDPART_OFS_APPEND,
62 .offset = MTDPART_OFS_APPEND,
63 .size = MTDPART_SIZ_FULL,
68 static struct physmap_flash_data da850_evm_norflash_data = {
70 .parts = da850_evm_norflash_partition,
71 .nr_parts = ARRAY_SIZE(da850_evm_norflash_partition),
74 static struct resource da850_evm_norflash_resource[] = {
76 .start = DA8XX_AEMIF_CS2_BASE,
77 .end = DA8XX_AEMIF_CS2_BASE + SZ_32M - 1,
78 .flags = IORESOURCE_MEM,
82 static struct platform_device da850_evm_norflash_device = {
83 .name = "physmap-flash",
86 .platform_data = &da850_evm_norflash_data,
89 .resource = da850_evm_norflash_resource,
92 /* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash
93 * (128K blocks). It may be used instead of the (default) SPI flash
94 * to boot, using TI's tools to install the secondary boot loader
97 struct mtd_partition da850_evm_nandflash_partition[] = {
102 .mask_flags = MTD_WRITEABLE,
106 .offset = MTDPART_OFS_APPEND,
108 .mask_flags = MTD_WRITEABLE,
112 .offset = MTDPART_OFS_APPEND,
114 .mask_flags = MTD_WRITEABLE,
123 .name = "filesystem",
124 .offset = MTDPART_OFS_APPEND,
125 .size = MTDPART_SIZ_FULL,
130 static struct davinci_nand_pdata da850_evm_nandflash_data = {
131 .parts = da850_evm_nandflash_partition,
132 .nr_parts = ARRAY_SIZE(da850_evm_nandflash_partition),
133 .ecc_mode = NAND_ECC_HW,
134 .options = NAND_USE_FLASH_BBT,
137 static struct resource da850_evm_nandflash_resource[] = {
139 .start = DA8XX_AEMIF_CS3_BASE,
140 .end = DA8XX_AEMIF_CS3_BASE + SZ_512K + 2 * SZ_1K - 1,
141 .flags = IORESOURCE_MEM,
144 .start = DA8XX_AEMIF_CTL_BASE,
145 .end = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
146 .flags = IORESOURCE_MEM,
150 static struct platform_device da850_evm_nandflash_device = {
151 .name = "davinci_nand",
154 .platform_data = &da850_evm_nandflash_data,
156 .num_resources = ARRAY_SIZE(da850_evm_nandflash_resource),
157 .resource = da850_evm_nandflash_resource,
160 static struct platform_device *da850_evm_devices[] __initdata = {
161 &da850_evm_nandflash_device,
162 &da850_evm_norflash_device,
165 #define DA8XX_AEMIF_CE2CFG_OFFSET 0x10
166 #define DA8XX_AEMIF_ASIZE_16BIT 0x1
168 static void __init da850_evm_init_nor(void)
170 void __iomem *aemif_addr;
172 aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K);
174 /* Configure data bus width of CS2 to 16 bit */
175 writel(readl(aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET) |
176 DA8XX_AEMIF_ASIZE_16BIT,
177 aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET);
182 static u32 ui_card_detected;
184 #if defined(CONFIG_MMC_DAVINCI) || \
185 defined(CONFIG_MMC_DAVINCI_MODULE)
191 static __init void da850_evm_setup_nor_nand(void)
195 if (ui_card_detected & !HAS_MMC) {
196 ret = da8xx_pinmux_setup(da850_nand_pins);
198 pr_warning("da850_evm_init: nand mux setup failed: "
201 ret = da8xx_pinmux_setup(da850_nor_pins);
203 pr_warning("da850_evm_init: nor mux setup failed: %d\n",
206 da850_evm_init_nor();
208 platform_add_devices(da850_evm_devices,
209 ARRAY_SIZE(da850_evm_devices));
213 #ifdef CONFIG_DA850_UI_RMII
214 static inline void da850_evm_setup_emac_rmii(int rmii_sel)
216 struct davinci_soc_info *soc_info = &davinci_soc_info;
218 soc_info->emac_pdata->rmii_en = 1;
219 gpio_set_value(rmii_sel, 0);
222 static inline void da850_evm_setup_emac_rmii(int rmii_sel) { }
225 static int da850_evm_ui_expander_setup(struct i2c_client *client, unsigned gpio,
226 unsigned ngpio, void *c)
228 int sel_a, sel_b, sel_c, ret;
234 ret = gpio_request(sel_a, "sel_a");
236 pr_warning("Cannot open UI expander pin %d\n", sel_a);
237 goto exp_setup_sela_fail;
240 ret = gpio_request(sel_b, "sel_b");
242 pr_warning("Cannot open UI expander pin %d\n", sel_b);
243 goto exp_setup_selb_fail;
246 ret = gpio_request(sel_c, "sel_c");
248 pr_warning("Cannot open UI expander pin %d\n", sel_c);
249 goto exp_setup_selc_fail;
252 /* deselect all functionalities */
253 gpio_direction_output(sel_a, 1);
254 gpio_direction_output(sel_b, 1);
255 gpio_direction_output(sel_c, 1);
257 ui_card_detected = 1;
258 pr_info("DA850/OMAP-L138 EVM UI card detected\n");
260 da850_evm_setup_nor_nand();
262 da850_evm_setup_emac_rmii(sel_a);
274 static int da850_evm_ui_expander_teardown(struct i2c_client *client,
275 unsigned gpio, unsigned ngpio, void *c)
277 /* deselect all functionalities */
278 gpio_set_value(gpio + 5, 1);
279 gpio_set_value(gpio + 6, 1);
280 gpio_set_value(gpio + 7, 1);
289 static struct pca953x_platform_data da850_evm_ui_expander_info = {
290 .gpio_base = DAVINCI_N_GPIO,
291 .setup = da850_evm_ui_expander_setup,
292 .teardown = da850_evm_ui_expander_teardown,
295 static struct i2c_board_info __initdata da850_evm_i2c_devices[] = {
297 I2C_BOARD_INFO("tlv320aic3x", 0x18),
300 I2C_BOARD_INFO("tca6416", 0x20),
301 .platform_data = &da850_evm_ui_expander_info,
305 static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = {
306 .bus_freq = 100, /* kHz */
307 .bus_delay = 0, /* usec */
310 static struct davinci_uart_config da850_evm_uart_config __initdata = {
311 .enabled_uarts = 0x7,
314 /* davinci da850 evm audio machine driver */
315 static u8 da850_iis_serializer_direction[] = {
316 INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
317 INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
318 INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, TX_MODE,
319 RX_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
322 static struct snd_platform_data da850_evm_snd_data = {
323 .tx_dma_offset = 0x2000,
324 .rx_dma_offset = 0x2000,
325 .op_mode = DAVINCI_MCASP_IIS_MODE,
326 .num_serializer = ARRAY_SIZE(da850_iis_serializer_direction),
328 .serial_dir = da850_iis_serializer_direction,
329 .eventq_no = EVENTQ_1,
330 .version = MCASP_VERSION_2,
335 static int da850_evm_mmc_get_ro(int index)
337 return gpio_get_value(DA850_MMCSD_WP_PIN);
340 static int da850_evm_mmc_get_cd(int index)
342 return !gpio_get_value(DA850_MMCSD_CD_PIN);
345 static struct davinci_mmc_config da850_mmc_config = {
346 .get_ro = da850_evm_mmc_get_ro,
347 .get_cd = da850_evm_mmc_get_cd,
349 .max_freq = 50000000,
350 .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
351 .version = MMC_CTLR_VERSION_2,
354 static void da850_panel_power_ctrl(int val)
357 gpio_set_value(DA850_LCD_BL_PIN, val);
360 gpio_set_value(DA850_LCD_PWR_PIN, val);
363 static int da850_lcd_hw_init(void)
367 status = gpio_request(DA850_LCD_BL_PIN, "lcd bl\n");
371 status = gpio_request(DA850_LCD_PWR_PIN, "lcd pwr\n");
373 gpio_free(DA850_LCD_BL_PIN);
377 gpio_direction_output(DA850_LCD_BL_PIN, 0);
378 gpio_direction_output(DA850_LCD_PWR_PIN, 0);
380 /* Switch off panel power and backlight */
381 da850_panel_power_ctrl(0);
383 /* Switch on panel power and backlight */
384 da850_panel_power_ctrl(1);
389 /* TPS65070 voltage regulator support */
392 struct regulator_consumer_supply tps65070_dcdc1_consumers[] = {
394 .supply = "usb0_vdda33",
397 .supply = "usb1_vdda33",
402 struct regulator_consumer_supply tps65070_dcdc2_consumers[] = {
404 .supply = "dvdd3318_a",
407 .supply = "dvdd3318_b",
410 .supply = "dvdd3318_c",
415 struct regulator_consumer_supply tps65070_dcdc3_consumers[] = {
422 struct regulator_consumer_supply tps65070_ldo1_consumers[] = {
424 .supply = "sata_vddr",
427 .supply = "usb0_vdda18",
430 .supply = "usb1_vdda18",
433 .supply = "ddr_dvdd18",
438 struct regulator_consumer_supply tps65070_ldo2_consumers[] = {
440 .supply = "sata_vdd",
443 .supply = "pll0_vdda",
446 .supply = "pll1_vdda",
449 .supply = "usbs_cvdd",
452 .supply = "vddarnwa1",
456 struct regulator_init_data tps65070_regulator_data[] = {
462 .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
463 REGULATOR_CHANGE_STATUS),
466 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc1_consumers),
467 .consumer_supplies = tps65070_dcdc1_consumers,
475 .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
476 REGULATOR_CHANGE_STATUS),
479 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc2_consumers),
480 .consumer_supplies = tps65070_dcdc2_consumers,
488 .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
489 REGULATOR_CHANGE_STATUS),
492 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc3_consumers),
493 .consumer_supplies = tps65070_dcdc3_consumers,
501 .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
502 REGULATOR_CHANGE_STATUS),
505 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo1_consumers),
506 .consumer_supplies = tps65070_ldo1_consumers,
514 .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
515 REGULATOR_CHANGE_STATUS),
518 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo2_consumers),
519 .consumer_supplies = tps65070_ldo2_consumers,
523 static struct i2c_board_info __initdata da850evm_tps65070_info[] = {
525 I2C_BOARD_INFO("tps6507x", 0x48),
526 .platform_data = &tps65070_regulator_data[0],
530 static int __init pmic_tps65070_init(void)
532 return i2c_register_board_info(1, da850evm_tps65070_info,
533 ARRAY_SIZE(da850evm_tps65070_info));
536 static const short da850_evm_lcdc_pins[] = {
537 DA850_GPIO2_8, DA850_GPIO2_15,
541 static int __init da850_evm_config_emac(void)
543 void __iomem *cfg_chip3_base;
546 struct davinci_soc_info *soc_info = &davinci_soc_info;
547 u8 rmii_en = soc_info->emac_pdata->rmii_en;
549 if (!machine_is_davinci_da850_evm())
552 cfg_chip3_base = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
554 val = __raw_readl(cfg_chip3_base);
558 ret = da8xx_pinmux_setup(da850_rmii_pins);
559 pr_info("EMAC: RMII PHY configured, MII PHY will not be"
563 ret = da8xx_pinmux_setup(da850_cpgmac_pins);
564 pr_info("EMAC: MII PHY configured, RMII PHY will not be"
569 pr_warning("da850_evm_init: cpgmac/rmii mux setup failed: %d\n",
572 /* configure the CFGCHIP3 register for RMII or MII */
573 __raw_writel(val, cfg_chip3_base);
575 ret = davinci_cfg_reg(DA850_GPIO2_6);
577 pr_warning("da850_evm_init:GPIO(2,6) mux setup "
580 ret = gpio_request(DA850_MII_MDIO_CLKEN_PIN, "mdio_clk_en");
582 pr_warning("Cannot open GPIO %d\n",
583 DA850_MII_MDIO_CLKEN_PIN);
587 /* Enable/Disable MII MDIO clock */
588 gpio_direction_output(DA850_MII_MDIO_CLKEN_PIN, rmii_en);
590 soc_info->emac_pdata->phy_mask = DA850_EVM_PHY_MASK;
591 soc_info->emac_pdata->mdio_max_freq = DA850_EVM_MDIO_FREQUENCY;
593 ret = da8xx_register_emac();
595 pr_warning("da850_evm_init: emac registration failed: %d\n",
600 device_initcall(da850_evm_config_emac);
602 static __init void da850_evm_init(void)
606 ret = pmic_tps65070_init();
608 pr_warning("da850_evm_init: TPS65070 PMIC init failed: %d\n",
611 ret = da8xx_register_edma();
613 pr_warning("da850_evm_init: edma registration failed: %d\n",
616 ret = da8xx_pinmux_setup(da850_i2c0_pins);
618 pr_warning("da850_evm_init: i2c0 mux setup failed: %d\n",
621 ret = da8xx_register_i2c(0, &da850_evm_i2c_0_pdata);
623 pr_warning("da850_evm_init: i2c0 registration failed: %d\n",
627 ret = da8xx_register_watchdog();
629 pr_warning("da830_evm_init: watchdog registration failed: %d\n",
633 ret = da8xx_pinmux_setup(da850_mmcsd0_pins);
635 pr_warning("da850_evm_init: mmcsd0 mux setup failed:"
638 ret = gpio_request(DA850_MMCSD_CD_PIN, "MMC CD\n");
640 pr_warning("da850_evm_init: can not open GPIO %d\n",
642 gpio_direction_input(DA850_MMCSD_CD_PIN);
644 ret = gpio_request(DA850_MMCSD_WP_PIN, "MMC WP\n");
646 pr_warning("da850_evm_init: can not open GPIO %d\n",
648 gpio_direction_input(DA850_MMCSD_WP_PIN);
650 ret = da8xx_register_mmcsd0(&da850_mmc_config);
652 pr_warning("da850_evm_init: mmcsd0 registration failed:"
656 davinci_serial_init(&da850_evm_uart_config);
658 i2c_register_board_info(1, da850_evm_i2c_devices,
659 ARRAY_SIZE(da850_evm_i2c_devices));
662 * shut down uart 0 and 1; they are not used on the board and
663 * accessing them causes endless "too much work in irq53" messages
666 __raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE) + 0x30);
667 __raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30);
669 ret = da8xx_pinmux_setup(da850_mcasp_pins);
671 pr_warning("da850_evm_init: mcasp mux setup failed: %d\n",
674 da8xx_register_mcasp(0, &da850_evm_snd_data);
676 ret = da8xx_pinmux_setup(da850_lcdcntl_pins);
678 pr_warning("da850_evm_init: lcdcntl mux setup failed: %d\n",
681 /* Handle board specific muxing for LCD here */
682 ret = da8xx_pinmux_setup(da850_evm_lcdc_pins);
684 pr_warning("da850_evm_init: evm specific lcd mux setup "
685 "failed: %d\n", ret);
687 ret = da850_lcd_hw_init();
689 pr_warning("da850_evm_init: lcd initialization failed: %d\n",
692 sharp_lk043t1dg01_pdata.panel_power_ctrl = da850_panel_power_ctrl,
693 ret = da8xx_register_lcdc(&sharp_lk043t1dg01_pdata);
695 pr_warning("da850_evm_init: lcdc registration failed: %d\n",
698 ret = da8xx_register_rtc();
700 pr_warning("da850_evm_init: rtc setup failed: %d\n", ret);
702 ret = da850_register_cpufreq();
704 pr_warning("da850_evm_init: cpufreq registration failed: %d\n",
707 ret = da8xx_register_cpuidle();
709 pr_warning("da850_evm_init: cpuidle registration failed: %d\n",
713 #ifdef CONFIG_SERIAL_8250_CONSOLE
714 static int __init da850_evm_console_init(void)
716 return add_preferred_console("ttyS", 2, "115200");
718 console_initcall(da850_evm_console_init);
721 static __init void da850_evm_irq_init(void)
723 struct davinci_soc_info *soc_info = &davinci_soc_info;
725 cp_intc_init((void __iomem *)DA8XX_CP_INTC_VIRT, DA850_N_CP_INTC_IRQ,
726 soc_info->intc_irq_prios);
729 static void __init da850_evm_map_io(void)
734 MACHINE_START(DAVINCI_DA850_EVM, "DaVinci DA850/OMAP-L138 EVM")
736 .io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
737 .boot_params = (DA8XX_DDR_BASE + 0x100),
738 .map_io = da850_evm_map_io,
739 .init_irq = da850_evm_irq_init,
740 .timer = &davinci_timer,
741 .init_machine = da850_evm_init,