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/mfd/tps6507x.h>
21 #include <linux/gpio.h>
22 #include <linux/platform_device.h>
23 #include <linux/mtd/mtd.h>
24 #include <linux/mtd/nand.h>
25 #include <linux/mtd/partitions.h>
26 #include <linux/mtd/physmap.h>
27 #include <linux/regulator/machine.h>
28 #include <linux/regulator/tps6507x.h>
29 #include <linux/mfd/tps6507x.h>
30 #include <linux/input/tps6507x-ts.h>
32 #include <asm/mach-types.h>
33 #include <asm/mach/arch.h>
35 #include <mach/cp_intc.h>
36 #include <mach/da8xx.h>
37 #include <mach/nand.h>
40 #define DA850_EVM_PHY_MASK 0x1
41 #define DA850_EVM_MDIO_FREQUENCY 2200000 /* PHY bus frequency */
43 #define DA850_LCD_PWR_PIN GPIO_TO_PIN(2, 8)
44 #define DA850_LCD_BL_PIN GPIO_TO_PIN(2, 15)
46 #define DA850_MMCSD_CD_PIN GPIO_TO_PIN(4, 0)
47 #define DA850_MMCSD_WP_PIN GPIO_TO_PIN(4, 1)
49 #define DA850_MII_MDIO_CLKEN_PIN GPIO_TO_PIN(2, 6)
51 static struct mtd_partition da850_evm_norflash_partition[] = {
53 .name = "bootloaders + env",
56 .mask_flags = MTD_WRITEABLE,
60 .offset = MTDPART_OFS_APPEND,
66 .offset = MTDPART_OFS_APPEND,
67 .size = MTDPART_SIZ_FULL,
72 static struct physmap_flash_data da850_evm_norflash_data = {
74 .parts = da850_evm_norflash_partition,
75 .nr_parts = ARRAY_SIZE(da850_evm_norflash_partition),
78 static struct resource da850_evm_norflash_resource[] = {
80 .start = DA8XX_AEMIF_CS2_BASE,
81 .end = DA8XX_AEMIF_CS2_BASE + SZ_32M - 1,
82 .flags = IORESOURCE_MEM,
86 static struct platform_device da850_evm_norflash_device = {
87 .name = "physmap-flash",
90 .platform_data = &da850_evm_norflash_data,
93 .resource = da850_evm_norflash_resource,
96 static struct davinci_pm_config da850_pm_pdata = {
100 static struct platform_device da850_pm_device = {
101 .name = "pm-davinci",
103 .platform_data = &da850_pm_pdata,
108 /* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash
109 * (128K blocks). It may be used instead of the (default) SPI flash
110 * to boot, using TI's tools to install the secondary boot loader
113 struct mtd_partition da850_evm_nandflash_partition[] = {
115 .name = "u-boot env",
118 .mask_flags = MTD_WRITEABLE,
122 .offset = MTDPART_OFS_APPEND,
124 .mask_flags = MTD_WRITEABLE,
128 .offset = MTDPART_OFS_APPEND,
130 .mask_flags = MTD_WRITEABLE,
139 .name = "filesystem",
140 .offset = MTDPART_OFS_APPEND,
141 .size = MTDPART_SIZ_FULL,
146 static struct davinci_nand_pdata da850_evm_nandflash_data = {
147 .parts = da850_evm_nandflash_partition,
148 .nr_parts = ARRAY_SIZE(da850_evm_nandflash_partition),
149 .ecc_mode = NAND_ECC_HW,
151 .options = NAND_USE_FLASH_BBT,
154 static struct resource da850_evm_nandflash_resource[] = {
156 .start = DA8XX_AEMIF_CS3_BASE,
157 .end = DA8XX_AEMIF_CS3_BASE + SZ_512K + 2 * SZ_1K - 1,
158 .flags = IORESOURCE_MEM,
161 .start = DA8XX_AEMIF_CTL_BASE,
162 .end = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
163 .flags = IORESOURCE_MEM,
167 static struct platform_device da850_evm_nandflash_device = {
168 .name = "davinci_nand",
171 .platform_data = &da850_evm_nandflash_data,
173 .num_resources = ARRAY_SIZE(da850_evm_nandflash_resource),
174 .resource = da850_evm_nandflash_resource,
177 static struct platform_device *da850_evm_devices[] __initdata = {
178 &da850_evm_nandflash_device,
179 &da850_evm_norflash_device,
182 #define DA8XX_AEMIF_CE2CFG_OFFSET 0x10
183 #define DA8XX_AEMIF_ASIZE_16BIT 0x1
185 static void __init da850_evm_init_nor(void)
187 void __iomem *aemif_addr;
189 aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K);
191 /* Configure data bus width of CS2 to 16 bit */
192 writel(readl(aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET) |
193 DA8XX_AEMIF_ASIZE_16BIT,
194 aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET);
199 static u32 ui_card_detected;
201 #if defined(CONFIG_MMC_DAVINCI) || \
202 defined(CONFIG_MMC_DAVINCI_MODULE)
208 static __init void da850_evm_setup_nor_nand(void)
212 if (ui_card_detected & !HAS_MMC) {
213 ret = davinci_cfg_reg_list(da850_nand_pins);
215 pr_warning("da850_evm_init: nand mux setup failed: "
218 ret = davinci_cfg_reg_list(da850_nor_pins);
220 pr_warning("da850_evm_init: nor mux setup failed: %d\n",
223 da850_evm_init_nor();
225 platform_add_devices(da850_evm_devices,
226 ARRAY_SIZE(da850_evm_devices));
230 #ifdef CONFIG_DA850_UI_RMII
231 static inline void da850_evm_setup_emac_rmii(int rmii_sel)
233 struct davinci_soc_info *soc_info = &davinci_soc_info;
235 soc_info->emac_pdata->rmii_en = 1;
236 gpio_set_value(rmii_sel, 0);
239 static inline void da850_evm_setup_emac_rmii(int rmii_sel) { }
242 static int da850_evm_ui_expander_setup(struct i2c_client *client, unsigned gpio,
243 unsigned ngpio, void *c)
245 int sel_a, sel_b, sel_c, ret;
251 ret = gpio_request(sel_a, "sel_a");
253 pr_warning("Cannot open UI expander pin %d\n", sel_a);
254 goto exp_setup_sela_fail;
257 ret = gpio_request(sel_b, "sel_b");
259 pr_warning("Cannot open UI expander pin %d\n", sel_b);
260 goto exp_setup_selb_fail;
263 ret = gpio_request(sel_c, "sel_c");
265 pr_warning("Cannot open UI expander pin %d\n", sel_c);
266 goto exp_setup_selc_fail;
269 /* deselect all functionalities */
270 gpio_direction_output(sel_a, 1);
271 gpio_direction_output(sel_b, 1);
272 gpio_direction_output(sel_c, 1);
274 ui_card_detected = 1;
275 pr_info("DA850/OMAP-L138 EVM UI card detected\n");
277 da850_evm_setup_nor_nand();
279 da850_evm_setup_emac_rmii(sel_a);
291 static int da850_evm_ui_expander_teardown(struct i2c_client *client,
292 unsigned gpio, unsigned ngpio, void *c)
294 /* deselect all functionalities */
295 gpio_set_value(gpio + 5, 1);
296 gpio_set_value(gpio + 6, 1);
297 gpio_set_value(gpio + 7, 1);
306 static struct pca953x_platform_data da850_evm_ui_expander_info = {
307 .gpio_base = DAVINCI_N_GPIO,
308 .setup = da850_evm_ui_expander_setup,
309 .teardown = da850_evm_ui_expander_teardown,
312 static struct i2c_board_info __initdata da850_evm_i2c_devices[] = {
314 I2C_BOARD_INFO("tlv320aic3x", 0x18),
317 I2C_BOARD_INFO("tca6416", 0x20),
318 .platform_data = &da850_evm_ui_expander_info,
322 static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = {
323 .bus_freq = 100, /* kHz */
324 .bus_delay = 0, /* usec */
327 static struct davinci_uart_config da850_evm_uart_config __initdata = {
328 .enabled_uarts = 0x7,
331 /* davinci da850 evm audio machine driver */
332 static u8 da850_iis_serializer_direction[] = {
333 INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
334 INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
335 INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE, TX_MODE,
336 RX_MODE, INACTIVE_MODE, INACTIVE_MODE, INACTIVE_MODE,
339 static struct snd_platform_data da850_evm_snd_data = {
340 .tx_dma_offset = 0x2000,
341 .rx_dma_offset = 0x2000,
342 .op_mode = DAVINCI_MCASP_IIS_MODE,
343 .num_serializer = ARRAY_SIZE(da850_iis_serializer_direction),
345 .serial_dir = da850_iis_serializer_direction,
346 .asp_chan_q = EVENTQ_1,
347 .version = MCASP_VERSION_2,
352 static int da850_evm_mmc_get_ro(int index)
354 return gpio_get_value(DA850_MMCSD_WP_PIN);
357 static int da850_evm_mmc_get_cd(int index)
359 return !gpio_get_value(DA850_MMCSD_CD_PIN);
362 static struct davinci_mmc_config da850_mmc_config = {
363 .get_ro = da850_evm_mmc_get_ro,
364 .get_cd = da850_evm_mmc_get_cd,
366 .max_freq = 50000000,
367 .caps = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
368 .version = MMC_CTLR_VERSION_2,
371 static void da850_panel_power_ctrl(int val)
374 gpio_set_value(DA850_LCD_BL_PIN, val);
377 gpio_set_value(DA850_LCD_PWR_PIN, val);
380 static int da850_lcd_hw_init(void)
384 status = gpio_request(DA850_LCD_BL_PIN, "lcd bl\n");
388 status = gpio_request(DA850_LCD_PWR_PIN, "lcd pwr\n");
390 gpio_free(DA850_LCD_BL_PIN);
394 gpio_direction_output(DA850_LCD_BL_PIN, 0);
395 gpio_direction_output(DA850_LCD_PWR_PIN, 0);
397 /* Switch off panel power and backlight */
398 da850_panel_power_ctrl(0);
400 /* Switch on panel power and backlight */
401 da850_panel_power_ctrl(1);
406 /* TPS65070 voltage regulator support */
409 struct regulator_consumer_supply tps65070_dcdc1_consumers[] = {
411 .supply = "usb0_vdda33",
414 .supply = "usb1_vdda33",
419 struct regulator_consumer_supply tps65070_dcdc2_consumers[] = {
421 .supply = "dvdd3318_a",
424 .supply = "dvdd3318_b",
427 .supply = "dvdd3318_c",
432 struct regulator_consumer_supply tps65070_dcdc3_consumers[] = {
439 struct regulator_consumer_supply tps65070_ldo1_consumers[] = {
441 .supply = "sata_vddr",
444 .supply = "usb0_vdda18",
447 .supply = "usb1_vdda18",
450 .supply = "ddr_dvdd18",
455 struct regulator_consumer_supply tps65070_ldo2_consumers[] = {
457 .supply = "sata_vdd",
460 .supply = "pll0_vdda",
463 .supply = "pll1_vdda",
466 .supply = "usbs_cvdd",
469 .supply = "vddarnwa1",
473 /* We take advantage of the fact that both defdcdc{2,3} are tied high */
474 static struct tps6507x_reg_platform_data tps6507x_platform_data = {
475 .defdcdc_default = true,
478 struct regulator_init_data tps65070_regulator_data[] = {
484 .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
485 REGULATOR_CHANGE_STATUS),
488 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc1_consumers),
489 .consumer_supplies = tps65070_dcdc1_consumers,
497 .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
498 REGULATOR_CHANGE_STATUS),
501 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc2_consumers),
502 .consumer_supplies = tps65070_dcdc2_consumers,
503 .driver_data = &tps6507x_platform_data,
511 .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
512 REGULATOR_CHANGE_STATUS),
515 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc3_consumers),
516 .consumer_supplies = tps65070_dcdc3_consumers,
517 .driver_data = &tps6507x_platform_data,
525 .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
526 REGULATOR_CHANGE_STATUS),
529 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo1_consumers),
530 .consumer_supplies = tps65070_ldo1_consumers,
538 .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
539 REGULATOR_CHANGE_STATUS),
542 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo2_consumers),
543 .consumer_supplies = tps65070_ldo2_consumers,
547 static struct touchscreen_init_data tps6507x_touchscreen_data = {
548 .poll_period = 30, /* ms between touch samples */
549 .min_pressure = 0x30, /* minimum pressure to trigger touch */
550 .vref = 0, /* turn off vref when not using A/D */
551 .vendor = 0, /* /sys/class/input/input?/id/vendor */
552 .product = 65070, /* /sys/class/input/input?/id/product */
553 .version = 0x100, /* /sys/class/input/input?/id/version */
556 static struct tps6507x_board tps_board = {
557 .tps6507x_pmic_init_data = &tps65070_regulator_data[0],
558 .tps6507x_ts_init_data = &tps6507x_touchscreen_data,
561 static struct i2c_board_info __initdata da850evm_tps65070_info[] = {
563 I2C_BOARD_INFO("tps6507x", 0x48),
564 .platform_data = &tps_board,
568 static int __init pmic_tps65070_init(void)
570 return i2c_register_board_info(1, da850evm_tps65070_info,
571 ARRAY_SIZE(da850evm_tps65070_info));
574 static const short da850_evm_lcdc_pins[] = {
575 DA850_GPIO2_8, DA850_GPIO2_15,
579 static int __init da850_evm_config_emac(void)
581 void __iomem *cfg_chip3_base;
584 struct davinci_soc_info *soc_info = &davinci_soc_info;
585 u8 rmii_en = soc_info->emac_pdata->rmii_en;
587 if (!machine_is_davinci_da850_evm())
590 cfg_chip3_base = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
592 val = __raw_readl(cfg_chip3_base);
596 ret = davinci_cfg_reg_list(da850_rmii_pins);
597 pr_info("EMAC: RMII PHY configured, MII PHY will not be"
601 ret = davinci_cfg_reg_list(da850_cpgmac_pins);
602 pr_info("EMAC: MII PHY configured, RMII PHY will not be"
607 pr_warning("da850_evm_init: cpgmac/rmii mux setup failed: %d\n",
610 /* configure the CFGCHIP3 register for RMII or MII */
611 __raw_writel(val, cfg_chip3_base);
613 ret = davinci_cfg_reg(DA850_GPIO2_6);
615 pr_warning("da850_evm_init:GPIO(2,6) mux setup "
618 ret = gpio_request(DA850_MII_MDIO_CLKEN_PIN, "mdio_clk_en");
620 pr_warning("Cannot open GPIO %d\n",
621 DA850_MII_MDIO_CLKEN_PIN);
625 /* Enable/Disable MII MDIO clock */
626 gpio_direction_output(DA850_MII_MDIO_CLKEN_PIN, rmii_en);
628 soc_info->emac_pdata->phy_mask = DA850_EVM_PHY_MASK;
629 soc_info->emac_pdata->mdio_max_freq = DA850_EVM_MDIO_FREQUENCY;
631 ret = da8xx_register_emac();
633 pr_warning("da850_evm_init: emac registration failed: %d\n",
638 device_initcall(da850_evm_config_emac);
641 * The following EDMA channels/slots are not being used by drivers (for
642 * example: Timer, GPIO, UART events etc) on da850/omap-l138 EVM, hence
643 * they are being reserved for codecs on the DSP side.
645 static const s16 da850_dma0_rsv_chans[][2] = {
646 /* (offset, number) */
653 static const s16 da850_dma0_rsv_slots[][2] = {
654 /* (offset, number) */
661 static const s16 da850_dma1_rsv_chans[][2] = {
662 /* (offset, number) */
668 static const s16 da850_dma1_rsv_slots[][2] = {
669 /* (offset, number) */
675 static struct edma_rsv_info da850_edma_cc0_rsv = {
676 .rsv_chans = da850_dma0_rsv_chans,
677 .rsv_slots = da850_dma0_rsv_slots,
680 static struct edma_rsv_info da850_edma_cc1_rsv = {
681 .rsv_chans = da850_dma1_rsv_chans,
682 .rsv_slots = da850_dma1_rsv_slots,
685 static struct edma_rsv_info *da850_edma_rsv[2] = {
690 static __init void da850_evm_init(void)
694 ret = pmic_tps65070_init();
696 pr_warning("da850_evm_init: TPS65070 PMIC init failed: %d\n",
699 ret = da850_register_edma(da850_edma_rsv);
701 pr_warning("da850_evm_init: edma registration failed: %d\n",
704 ret = davinci_cfg_reg_list(da850_i2c0_pins);
706 pr_warning("da850_evm_init: i2c0 mux setup failed: %d\n",
709 ret = da8xx_register_i2c(0, &da850_evm_i2c_0_pdata);
711 pr_warning("da850_evm_init: i2c0 registration failed: %d\n",
715 ret = da8xx_register_watchdog();
717 pr_warning("da830_evm_init: watchdog registration failed: %d\n",
721 ret = davinci_cfg_reg_list(da850_mmcsd0_pins);
723 pr_warning("da850_evm_init: mmcsd0 mux setup failed:"
726 ret = gpio_request(DA850_MMCSD_CD_PIN, "MMC CD\n");
728 pr_warning("da850_evm_init: can not open GPIO %d\n",
730 gpio_direction_input(DA850_MMCSD_CD_PIN);
732 ret = gpio_request(DA850_MMCSD_WP_PIN, "MMC WP\n");
734 pr_warning("da850_evm_init: can not open GPIO %d\n",
736 gpio_direction_input(DA850_MMCSD_WP_PIN);
738 ret = da8xx_register_mmcsd0(&da850_mmc_config);
740 pr_warning("da850_evm_init: mmcsd0 registration failed:"
744 davinci_serial_init(&da850_evm_uart_config);
746 i2c_register_board_info(1, da850_evm_i2c_devices,
747 ARRAY_SIZE(da850_evm_i2c_devices));
750 * shut down uart 0 and 1; they are not used on the board and
751 * accessing them causes endless "too much work in irq53" messages
754 __raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE) + 0x30);
755 __raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30);
757 ret = davinci_cfg_reg_list(da850_mcasp_pins);
759 pr_warning("da850_evm_init: mcasp mux setup failed: %d\n",
762 da8xx_register_mcasp(0, &da850_evm_snd_data);
764 ret = davinci_cfg_reg_list(da850_lcdcntl_pins);
766 pr_warning("da850_evm_init: lcdcntl mux setup failed: %d\n",
769 /* Handle board specific muxing for LCD here */
770 ret = davinci_cfg_reg_list(da850_evm_lcdc_pins);
772 pr_warning("da850_evm_init: evm specific lcd mux setup "
773 "failed: %d\n", ret);
775 ret = da850_lcd_hw_init();
777 pr_warning("da850_evm_init: lcd initialization failed: %d\n",
780 sharp_lk043t1dg01_pdata.panel_power_ctrl = da850_panel_power_ctrl,
781 ret = da8xx_register_lcdc(&sharp_lk043t1dg01_pdata);
783 pr_warning("da850_evm_init: lcdc registration failed: %d\n",
786 ret = da8xx_register_rtc();
788 pr_warning("da850_evm_init: rtc setup failed: %d\n", ret);
790 ret = da850_register_cpufreq();
792 pr_warning("da850_evm_init: cpufreq registration failed: %d\n",
795 ret = da8xx_register_cpuidle();
797 pr_warning("da850_evm_init: cpuidle registration failed: %d\n",
800 ret = da850_register_pm(&da850_pm_device);
802 pr_warning("da850_evm_init: suspend registration failed: %d\n",
806 #ifdef CONFIG_SERIAL_8250_CONSOLE
807 static int __init da850_evm_console_init(void)
809 return add_preferred_console("ttyS", 2, "115200");
811 console_initcall(da850_evm_console_init);
814 static void __init da850_evm_map_io(void)
819 MACHINE_START(DAVINCI_DA850_EVM, "DaVinci DA850/OMAP-L138 EVM")
821 .io_pg_offst = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
822 .boot_params = (DA8XX_DDR_BASE + 0x100),
823 .map_io = da850_evm_map_io,
824 .init_irq = cp_intc_init,
825 .timer = &davinci_timer,
826 .init_machine = da850_evm_init,