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	 8b24599e72
			
		
	
	
		8b24599e72
		
	
	
	
	
		
			
			Per the da850/omap-l138 Beta EVM SOM schematic, the DEFDCDC2 and
DEFDCDC3 lines are tied high. This leads to a 3.3V IO and 1.2V CVDD
voltage.
Pass the right platform data to the TPS6507x driver so it can operate
on the DEFDCDC{2,3}_HIGH register to read and change voltage levels.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
		
	
			
		
			
				
	
	
		
			778 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			778 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * TI DA850/OMAP-L138 EVM board
 | |
|  *
 | |
|  * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/
 | |
|  *
 | |
|  * Derived from: arch/arm/mach-davinci/board-da830-evm.c
 | |
|  * Original Copyrights follow:
 | |
|  *
 | |
|  * 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under
 | |
|  * the terms of the GNU General Public License version 2. This program
 | |
|  * is licensed "as is" without any warranty of any kind, whether express
 | |
|  * or implied.
 | |
|  */
 | |
| #include <linux/kernel.h>
 | |
| #include <linux/init.h>
 | |
| #include <linux/console.h>
 | |
| #include <linux/i2c.h>
 | |
| #include <linux/i2c/at24.h>
 | |
| #include <linux/i2c/pca953x.h>
 | |
| #include <linux/mfd/tps6507x.h>
 | |
| #include <linux/gpio.h>
 | |
| #include <linux/platform_device.h>
 | |
| #include <linux/mtd/mtd.h>
 | |
| #include <linux/mtd/nand.h>
 | |
| #include <linux/mtd/partitions.h>
 | |
| #include <linux/mtd/physmap.h>
 | |
| #include <linux/regulator/machine.h>
 | |
| #include <linux/regulator/tps6507x.h>
 | |
| #include <linux/mfd/tps6507x.h>
 | |
| #include <linux/input/tps6507x-ts.h>
 | |
| 
 | |
| #include <asm/mach-types.h>
 | |
| #include <asm/mach/arch.h>
 | |
| 
 | |
| #include <mach/cp_intc.h>
 | |
| #include <mach/da8xx.h>
 | |
| #include <mach/nand.h>
 | |
| #include <mach/mux.h>
 | |
| 
 | |
| #define DA850_EVM_PHY_MASK		0x1
 | |
| #define DA850_EVM_MDIO_FREQUENCY	2200000 /* PHY bus frequency */
 | |
| 
 | |
| #define DA850_LCD_PWR_PIN		GPIO_TO_PIN(2, 8)
 | |
| #define DA850_LCD_BL_PIN		GPIO_TO_PIN(2, 15)
 | |
| 
 | |
| #define DA850_MMCSD_CD_PIN		GPIO_TO_PIN(4, 0)
 | |
| #define DA850_MMCSD_WP_PIN		GPIO_TO_PIN(4, 1)
 | |
| 
 | |
| #define DA850_MII_MDIO_CLKEN_PIN	GPIO_TO_PIN(2, 6)
 | |
| 
 | |
| static struct mtd_partition da850_evm_norflash_partition[] = {
 | |
| 	{
 | |
| 		.name           = "bootloaders + env",
 | |
| 		.offset         = 0,
 | |
| 		.size           = SZ_512K,
 | |
| 		.mask_flags     = MTD_WRITEABLE,
 | |
| 	},
 | |
| 	{
 | |
| 		.name           = "kernel",
 | |
| 		.offset         = MTDPART_OFS_APPEND,
 | |
| 		.size           = SZ_2M,
 | |
| 		.mask_flags     = 0,
 | |
| 	},
 | |
| 	{
 | |
| 		.name           = "filesystem",
 | |
| 		.offset         = MTDPART_OFS_APPEND,
 | |
| 		.size           = MTDPART_SIZ_FULL,
 | |
| 		.mask_flags     = 0,
 | |
| 	},
 | |
| };
 | |
| 
 | |
| static struct physmap_flash_data da850_evm_norflash_data = {
 | |
| 	.width		= 2,
 | |
| 	.parts		= da850_evm_norflash_partition,
 | |
| 	.nr_parts	= ARRAY_SIZE(da850_evm_norflash_partition),
 | |
| };
 | |
| 
 | |
| static struct resource da850_evm_norflash_resource[] = {
 | |
| 	{
 | |
| 		.start	= DA8XX_AEMIF_CS2_BASE,
 | |
| 		.end	= DA8XX_AEMIF_CS2_BASE + SZ_32M - 1,
 | |
| 		.flags	= IORESOURCE_MEM,
 | |
| 	},
 | |
| };
 | |
| 
 | |
| static struct platform_device da850_evm_norflash_device = {
 | |
| 	.name		= "physmap-flash",
 | |
| 	.id		= 0,
 | |
| 	.dev		= {
 | |
| 		.platform_data  = &da850_evm_norflash_data,
 | |
| 	},
 | |
| 	.num_resources	= 1,
 | |
| 	.resource	= da850_evm_norflash_resource,
 | |
| };
 | |
| 
 | |
| static struct davinci_pm_config da850_pm_pdata = {
 | |
| 	.sleepcount = 128,
 | |
| };
 | |
| 
 | |
| static struct platform_device da850_pm_device = {
 | |
| 	.name           = "pm-davinci",
 | |
| 	.dev = {
 | |
| 		.platform_data	= &da850_pm_pdata,
 | |
| 	},
 | |
| 	.id             = -1,
 | |
| };
 | |
| 
 | |
| /* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash
 | |
|  * (128K blocks). It may be used instead of the (default) SPI flash
 | |
|  * to boot, using TI's tools to install the secondary boot loader
 | |
|  * (UBL) and U-Boot.
 | |
|  */
 | |
| struct mtd_partition da850_evm_nandflash_partition[] = {
 | |
| 	{
 | |
| 		.name		= "u-boot env",
 | |
| 		.offset		= 0,
 | |
| 		.size		= SZ_128K,
 | |
| 		.mask_flags	= MTD_WRITEABLE,
 | |
| 	 },
 | |
| 	{
 | |
| 		.name		= "UBL",
 | |
| 		.offset		= MTDPART_OFS_APPEND,
 | |
| 		.size		= SZ_128K,
 | |
| 		.mask_flags	= MTD_WRITEABLE,
 | |
| 	},
 | |
| 	{
 | |
| 		.name		= "u-boot",
 | |
| 		.offset		= MTDPART_OFS_APPEND,
 | |
| 		.size		= 4 * SZ_128K,
 | |
| 		.mask_flags	= MTD_WRITEABLE,
 | |
| 	},
 | |
| 	{
 | |
| 		.name		= "kernel",
 | |
| 		.offset		= 0x200000,
 | |
| 		.size		= SZ_2M,
 | |
| 		.mask_flags	= 0,
 | |
| 	},
 | |
| 	{
 | |
| 		.name		= "filesystem",
 | |
| 		.offset		= MTDPART_OFS_APPEND,
 | |
| 		.size		= MTDPART_SIZ_FULL,
 | |
| 		.mask_flags	= 0,
 | |
| 	},
 | |
| };
 | |
| 
 | |
| static struct davinci_nand_pdata da850_evm_nandflash_data = {
 | |
| 	.parts		= da850_evm_nandflash_partition,
 | |
| 	.nr_parts	= ARRAY_SIZE(da850_evm_nandflash_partition),
 | |
| 	.ecc_mode	= NAND_ECC_HW,
 | |
| 	.ecc_bits	= 4,
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| 	.options	= NAND_USE_FLASH_BBT,
 | |
| };
 | |
| 
 | |
| static struct resource da850_evm_nandflash_resource[] = {
 | |
| 	{
 | |
| 		.start	= DA8XX_AEMIF_CS3_BASE,
 | |
| 		.end	= DA8XX_AEMIF_CS3_BASE + SZ_512K + 2 * SZ_1K - 1,
 | |
| 		.flags	= IORESOURCE_MEM,
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| 	},
 | |
| 	{
 | |
| 		.start	= DA8XX_AEMIF_CTL_BASE,
 | |
| 		.end	= DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
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| 		.flags	= IORESOURCE_MEM,
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| 	},
 | |
| };
 | |
| 
 | |
| static struct platform_device da850_evm_nandflash_device = {
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| 	.name		= "davinci_nand",
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| 	.id		= 1,
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| 	.dev		= {
 | |
| 		.platform_data	= &da850_evm_nandflash_data,
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| 	},
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| 	.num_resources	= ARRAY_SIZE(da850_evm_nandflash_resource),
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| 	.resource	= da850_evm_nandflash_resource,
 | |
| };
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| 
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| static struct platform_device *da850_evm_devices[] __initdata = {
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| 	&da850_evm_nandflash_device,
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| 	&da850_evm_norflash_device,
 | |
| };
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| 
 | |
| #define DA8XX_AEMIF_CE2CFG_OFFSET	0x10
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| #define DA8XX_AEMIF_ASIZE_16BIT		0x1
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| 
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| static void __init da850_evm_init_nor(void)
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| {
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| 	void __iomem *aemif_addr;
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| 
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| 	aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K);
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| 
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| 	/* Configure data bus width of CS2 to 16 bit */
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| 	writel(readl(aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET) |
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| 		DA8XX_AEMIF_ASIZE_16BIT,
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| 		aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET);
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| 
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| 	iounmap(aemif_addr);
 | |
| }
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| 
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| static u32 ui_card_detected;
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| 
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| #if defined(CONFIG_MMC_DAVINCI) || \
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|     defined(CONFIG_MMC_DAVINCI_MODULE)
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| #define HAS_MMC 1
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| #else
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| #define HAS_MMC 0
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| #endif
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| 
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| static __init void da850_evm_setup_nor_nand(void)
 | |
| {
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| 	int ret = 0;
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| 
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| 	if (ui_card_detected & !HAS_MMC) {
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| 		ret = davinci_cfg_reg_list(da850_nand_pins);
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| 		if (ret)
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| 			pr_warning("da850_evm_init: nand mux setup failed: "
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| 					"%d\n", ret);
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| 
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| 		ret = davinci_cfg_reg_list(da850_nor_pins);
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| 		if (ret)
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| 			pr_warning("da850_evm_init: nor mux setup failed: %d\n",
 | |
| 				ret);
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| 
 | |
| 		da850_evm_init_nor();
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| 
 | |
| 		platform_add_devices(da850_evm_devices,
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| 					ARRAY_SIZE(da850_evm_devices));
 | |
| 	}
 | |
| }
 | |
| 
 | |
| #ifdef CONFIG_DA850_UI_RMII
 | |
| static inline void da850_evm_setup_emac_rmii(int rmii_sel)
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| {
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| 	struct davinci_soc_info *soc_info = &davinci_soc_info;
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| 
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| 	soc_info->emac_pdata->rmii_en = 1;
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| 	gpio_set_value(rmii_sel, 0);
 | |
| }
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| #else
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| static inline void da850_evm_setup_emac_rmii(int rmii_sel) { }
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| #endif
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| 
 | |
| static int da850_evm_ui_expander_setup(struct i2c_client *client, unsigned gpio,
 | |
| 						unsigned ngpio, void *c)
 | |
| {
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| 	int sel_a, sel_b, sel_c, ret;
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| 
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| 	sel_a = gpio + 7;
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| 	sel_b = gpio + 6;
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| 	sel_c = gpio + 5;
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| 
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| 	ret = gpio_request(sel_a, "sel_a");
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| 	if (ret) {
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| 		pr_warning("Cannot open UI expander pin %d\n", sel_a);
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| 		goto exp_setup_sela_fail;
 | |
| 	}
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| 
 | |
| 	ret = gpio_request(sel_b, "sel_b");
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| 	if (ret) {
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| 		pr_warning("Cannot open UI expander pin %d\n", sel_b);
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| 		goto exp_setup_selb_fail;
 | |
| 	}
 | |
| 
 | |
| 	ret = gpio_request(sel_c, "sel_c");
 | |
| 	if (ret) {
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| 		pr_warning("Cannot open UI expander pin %d\n", sel_c);
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| 		goto exp_setup_selc_fail;
 | |
| 	}
 | |
| 
 | |
| 	/* deselect all functionalities */
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| 	gpio_direction_output(sel_a, 1);
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| 	gpio_direction_output(sel_b, 1);
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| 	gpio_direction_output(sel_c, 1);
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| 
 | |
| 	ui_card_detected = 1;
 | |
| 	pr_info("DA850/OMAP-L138 EVM UI card detected\n");
 | |
| 
 | |
| 	da850_evm_setup_nor_nand();
 | |
| 
 | |
| 	da850_evm_setup_emac_rmii(sel_a);
 | |
| 
 | |
| 	return 0;
 | |
| 
 | |
| exp_setup_selc_fail:
 | |
| 	gpio_free(sel_b);
 | |
| exp_setup_selb_fail:
 | |
| 	gpio_free(sel_a);
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| exp_setup_sela_fail:
 | |
| 	return ret;
 | |
| }
 | |
| 
 | |
| static int da850_evm_ui_expander_teardown(struct i2c_client *client,
 | |
| 					unsigned gpio, unsigned ngpio, void *c)
 | |
| {
 | |
| 	/* deselect all functionalities */
 | |
| 	gpio_set_value(gpio + 5, 1);
 | |
| 	gpio_set_value(gpio + 6, 1);
 | |
| 	gpio_set_value(gpio + 7, 1);
 | |
| 
 | |
| 	gpio_free(gpio + 5);
 | |
| 	gpio_free(gpio + 6);
 | |
| 	gpio_free(gpio + 7);
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static struct pca953x_platform_data da850_evm_ui_expander_info = {
 | |
| 	.gpio_base	= DAVINCI_N_GPIO,
 | |
| 	.setup		= da850_evm_ui_expander_setup,
 | |
| 	.teardown	= da850_evm_ui_expander_teardown,
 | |
| };
 | |
| 
 | |
| static struct i2c_board_info __initdata da850_evm_i2c_devices[] = {
 | |
| 	{
 | |
| 		I2C_BOARD_INFO("tlv320aic3x", 0x18),
 | |
| 	},
 | |
| 	{
 | |
| 		I2C_BOARD_INFO("tca6416", 0x20),
 | |
| 		.platform_data = &da850_evm_ui_expander_info,
 | |
| 	},
 | |
| };
 | |
| 
 | |
| static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = {
 | |
| 	.bus_freq	= 100,	/* kHz */
 | |
| 	.bus_delay	= 0,	/* usec */
 | |
| };
 | |
| 
 | |
| static struct davinci_uart_config da850_evm_uart_config __initdata = {
 | |
| 	.enabled_uarts = 0x7,
 | |
| };
 | |
| 
 | |
| /* davinci da850 evm audio machine driver */
 | |
| static u8 da850_iis_serializer_direction[] = {
 | |
| 	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,
 | |
| 	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,
 | |
| 	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,	TX_MODE,
 | |
| 	RX_MODE,	INACTIVE_MODE,	INACTIVE_MODE,	INACTIVE_MODE,
 | |
| };
 | |
| 
 | |
| static struct snd_platform_data da850_evm_snd_data = {
 | |
| 	.tx_dma_offset	= 0x2000,
 | |
| 	.rx_dma_offset	= 0x2000,
 | |
| 	.op_mode	= DAVINCI_MCASP_IIS_MODE,
 | |
| 	.num_serializer	= ARRAY_SIZE(da850_iis_serializer_direction),
 | |
| 	.tdm_slots	= 2,
 | |
| 	.serial_dir	= da850_iis_serializer_direction,
 | |
| 	.eventq_no	= EVENTQ_1,
 | |
| 	.version	= MCASP_VERSION_2,
 | |
| 	.txnumevt	= 1,
 | |
| 	.rxnumevt	= 1,
 | |
| };
 | |
| 
 | |
| static int da850_evm_mmc_get_ro(int index)
 | |
| {
 | |
| 	return gpio_get_value(DA850_MMCSD_WP_PIN);
 | |
| }
 | |
| 
 | |
| static int da850_evm_mmc_get_cd(int index)
 | |
| {
 | |
| 	return !gpio_get_value(DA850_MMCSD_CD_PIN);
 | |
| }
 | |
| 
 | |
| static struct davinci_mmc_config da850_mmc_config = {
 | |
| 	.get_ro		= da850_evm_mmc_get_ro,
 | |
| 	.get_cd		= da850_evm_mmc_get_cd,
 | |
| 	.wires		= 4,
 | |
| 	.max_freq	= 50000000,
 | |
| 	.caps		= MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
 | |
| 	.version	= MMC_CTLR_VERSION_2,
 | |
| };
 | |
| 
 | |
| static void da850_panel_power_ctrl(int val)
 | |
| {
 | |
| 	/* lcd backlight */
 | |
| 	gpio_set_value(DA850_LCD_BL_PIN, val);
 | |
| 
 | |
| 	/* lcd power */
 | |
| 	gpio_set_value(DA850_LCD_PWR_PIN, val);
 | |
| }
 | |
| 
 | |
| static int da850_lcd_hw_init(void)
 | |
| {
 | |
| 	int status;
 | |
| 
 | |
| 	status = gpio_request(DA850_LCD_BL_PIN, "lcd bl\n");
 | |
| 	if (status < 0)
 | |
| 		return status;
 | |
| 
 | |
| 	status = gpio_request(DA850_LCD_PWR_PIN, "lcd pwr\n");
 | |
| 	if (status < 0) {
 | |
| 		gpio_free(DA850_LCD_BL_PIN);
 | |
| 		return status;
 | |
| 	}
 | |
| 
 | |
| 	gpio_direction_output(DA850_LCD_BL_PIN, 0);
 | |
| 	gpio_direction_output(DA850_LCD_PWR_PIN, 0);
 | |
| 
 | |
| 	/* Switch off panel power and backlight */
 | |
| 	da850_panel_power_ctrl(0);
 | |
| 
 | |
| 	/* Switch on panel power and backlight */
 | |
| 	da850_panel_power_ctrl(1);
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| /* TPS65070 voltage regulator support */
 | |
| 
 | |
| /* 3.3V */
 | |
| struct regulator_consumer_supply tps65070_dcdc1_consumers[] = {
 | |
| 	{
 | |
| 		.supply = "usb0_vdda33",
 | |
| 	},
 | |
| 	{
 | |
| 		.supply = "usb1_vdda33",
 | |
| 	},
 | |
| };
 | |
| 
 | |
| /* 3.3V or 1.8V */
 | |
| struct regulator_consumer_supply tps65070_dcdc2_consumers[] = {
 | |
| 	{
 | |
| 		.supply = "dvdd3318_a",
 | |
| 	},
 | |
| 	{
 | |
| 		.supply = "dvdd3318_b",
 | |
| 	},
 | |
| 	{
 | |
| 		.supply = "dvdd3318_c",
 | |
| 	},
 | |
| };
 | |
| 
 | |
| /* 1.2V */
 | |
| struct regulator_consumer_supply tps65070_dcdc3_consumers[] = {
 | |
| 	{
 | |
| 		.supply = "cvdd",
 | |
| 	},
 | |
| };
 | |
| 
 | |
| /* 1.8V LDO */
 | |
| struct regulator_consumer_supply tps65070_ldo1_consumers[] = {
 | |
| 	{
 | |
| 		.supply = "sata_vddr",
 | |
| 	},
 | |
| 	{
 | |
| 		.supply = "usb0_vdda18",
 | |
| 	},
 | |
| 	{
 | |
| 		.supply = "usb1_vdda18",
 | |
| 	},
 | |
| 	{
 | |
| 		.supply = "ddr_dvdd18",
 | |
| 	},
 | |
| };
 | |
| 
 | |
| /* 1.2V LDO */
 | |
| struct regulator_consumer_supply tps65070_ldo2_consumers[] = {
 | |
| 	{
 | |
| 		.supply = "sata_vdd",
 | |
| 	},
 | |
| 	{
 | |
| 		.supply = "pll0_vdda",
 | |
| 	},
 | |
| 	{
 | |
| 		.supply = "pll1_vdda",
 | |
| 	},
 | |
| 	{
 | |
| 		.supply = "usbs_cvdd",
 | |
| 	},
 | |
| 	{
 | |
| 		.supply = "vddarnwa1",
 | |
| 	},
 | |
| };
 | |
| 
 | |
| /* We take advantage of the fact that both defdcdc{2,3} are tied high */
 | |
| static struct tps6507x_reg_platform_data tps6507x_platform_data = {
 | |
| 	.defdcdc_default = true,
 | |
| };
 | |
| 
 | |
| struct regulator_init_data tps65070_regulator_data[] = {
 | |
| 	/* dcdc1 */
 | |
| 	{
 | |
| 		.constraints = {
 | |
| 			.min_uV = 3150000,
 | |
| 			.max_uV = 3450000,
 | |
| 			.valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 | |
| 				REGULATOR_CHANGE_STATUS),
 | |
| 			.boot_on = 1,
 | |
| 		},
 | |
| 		.num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc1_consumers),
 | |
| 		.consumer_supplies = tps65070_dcdc1_consumers,
 | |
| 	},
 | |
| 
 | |
| 	/* dcdc2 */
 | |
| 	{
 | |
| 		.constraints = {
 | |
| 			.min_uV = 1710000,
 | |
| 			.max_uV = 3450000,
 | |
| 			.valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 | |
| 				REGULATOR_CHANGE_STATUS),
 | |
| 			.boot_on = 1,
 | |
| 		},
 | |
| 		.num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc2_consumers),
 | |
| 		.consumer_supplies = tps65070_dcdc2_consumers,
 | |
| 		.driver_data = &tps6507x_platform_data,
 | |
| 	},
 | |
| 
 | |
| 	/* dcdc3 */
 | |
| 	{
 | |
| 		.constraints = {
 | |
| 			.min_uV = 950000,
 | |
| 			.max_uV = 1320000,
 | |
| 			.valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 | |
| 				REGULATOR_CHANGE_STATUS),
 | |
| 			.boot_on = 1,
 | |
| 		},
 | |
| 		.num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc3_consumers),
 | |
| 		.consumer_supplies = tps65070_dcdc3_consumers,
 | |
| 		.driver_data = &tps6507x_platform_data,
 | |
| 	},
 | |
| 
 | |
| 	/* ldo1 */
 | |
| 	{
 | |
| 		.constraints = {
 | |
| 			.min_uV = 1710000,
 | |
| 			.max_uV = 1890000,
 | |
| 			.valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 | |
| 				REGULATOR_CHANGE_STATUS),
 | |
| 			.boot_on = 1,
 | |
| 		},
 | |
| 		.num_consumer_supplies = ARRAY_SIZE(tps65070_ldo1_consumers),
 | |
| 		.consumer_supplies = tps65070_ldo1_consumers,
 | |
| 	},
 | |
| 
 | |
| 	/* ldo2 */
 | |
| 	{
 | |
| 		.constraints = {
 | |
| 			.min_uV = 1140000,
 | |
| 			.max_uV = 1320000,
 | |
| 			.valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 | |
| 				REGULATOR_CHANGE_STATUS),
 | |
| 			.boot_on = 1,
 | |
| 		},
 | |
| 		.num_consumer_supplies = ARRAY_SIZE(tps65070_ldo2_consumers),
 | |
| 		.consumer_supplies = tps65070_ldo2_consumers,
 | |
| 	},
 | |
| };
 | |
| 
 | |
| static struct touchscreen_init_data tps6507x_touchscreen_data = {
 | |
| 	.poll_period =  30,	/* ms between touch samples */
 | |
| 	.min_pressure = 0x30,	/* minimum pressure to trigger touch */
 | |
| 	.vref = 0,		/* turn off vref when not using A/D */
 | |
| 	.vendor = 0,		/* /sys/class/input/input?/id/vendor */
 | |
| 	.product = 65070,	/* /sys/class/input/input?/id/product */
 | |
| 	.version = 0x100,	/* /sys/class/input/input?/id/version */
 | |
| };
 | |
| 
 | |
| static struct tps6507x_board tps_board = {
 | |
| 	.tps6507x_pmic_init_data = &tps65070_regulator_data[0],
 | |
| 	.tps6507x_ts_init_data = &tps6507x_touchscreen_data,
 | |
| };
 | |
| 
 | |
| static struct i2c_board_info __initdata da850evm_tps65070_info[] = {
 | |
| 	{
 | |
| 		I2C_BOARD_INFO("tps6507x", 0x48),
 | |
| 		.platform_data = &tps_board,
 | |
| 	},
 | |
| };
 | |
| 
 | |
| static int __init pmic_tps65070_init(void)
 | |
| {
 | |
| 	return i2c_register_board_info(1, da850evm_tps65070_info,
 | |
| 					ARRAY_SIZE(da850evm_tps65070_info));
 | |
| }
 | |
| 
 | |
| static const short da850_evm_lcdc_pins[] = {
 | |
| 	DA850_GPIO2_8, DA850_GPIO2_15,
 | |
| 	-1
 | |
| };
 | |
| 
 | |
| static int __init da850_evm_config_emac(void)
 | |
| {
 | |
| 	void __iomem *cfg_chip3_base;
 | |
| 	int ret;
 | |
| 	u32 val;
 | |
| 	struct davinci_soc_info *soc_info = &davinci_soc_info;
 | |
| 	u8 rmii_en = soc_info->emac_pdata->rmii_en;
 | |
| 
 | |
| 	if (!machine_is_davinci_da850_evm())
 | |
| 		return 0;
 | |
| 
 | |
| 	cfg_chip3_base = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
 | |
| 
 | |
| 	val = __raw_readl(cfg_chip3_base);
 | |
| 
 | |
| 	if (rmii_en) {
 | |
| 		val |= BIT(8);
 | |
| 		ret = davinci_cfg_reg_list(da850_rmii_pins);
 | |
| 		pr_info("EMAC: RMII PHY configured, MII PHY will not be"
 | |
| 							" functional\n");
 | |
| 	} else {
 | |
| 		val &= ~BIT(8);
 | |
| 		ret = davinci_cfg_reg_list(da850_cpgmac_pins);
 | |
| 		pr_info("EMAC: MII PHY configured, RMII PHY will not be"
 | |
| 							" functional\n");
 | |
| 	}
 | |
| 
 | |
| 	if (ret)
 | |
| 		pr_warning("da850_evm_init: cpgmac/rmii mux setup failed: %d\n",
 | |
| 				ret);
 | |
| 
 | |
| 	/* configure the CFGCHIP3 register for RMII or MII */
 | |
| 	__raw_writel(val, cfg_chip3_base);
 | |
| 
 | |
| 	ret = davinci_cfg_reg(DA850_GPIO2_6);
 | |
| 	if (ret)
 | |
| 		pr_warning("da850_evm_init:GPIO(2,6) mux setup "
 | |
| 							"failed\n");
 | |
| 
 | |
| 	ret = gpio_request(DA850_MII_MDIO_CLKEN_PIN, "mdio_clk_en");
 | |
| 	if (ret) {
 | |
| 		pr_warning("Cannot open GPIO %d\n",
 | |
| 					DA850_MII_MDIO_CLKEN_PIN);
 | |
| 		return ret;
 | |
| 	}
 | |
| 
 | |
| 	/* Enable/Disable MII MDIO clock */
 | |
| 	gpio_direction_output(DA850_MII_MDIO_CLKEN_PIN, rmii_en);
 | |
| 
 | |
| 	soc_info->emac_pdata->phy_mask = DA850_EVM_PHY_MASK;
 | |
| 	soc_info->emac_pdata->mdio_max_freq = DA850_EVM_MDIO_FREQUENCY;
 | |
| 
 | |
| 	ret = da8xx_register_emac();
 | |
| 	if (ret)
 | |
| 		pr_warning("da850_evm_init: emac registration failed: %d\n",
 | |
| 				ret);
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| device_initcall(da850_evm_config_emac);
 | |
| 
 | |
| static __init void da850_evm_init(void)
 | |
| {
 | |
| 	int ret;
 | |
| 
 | |
| 	ret = pmic_tps65070_init();
 | |
| 	if (ret)
 | |
| 		pr_warning("da850_evm_init: TPS65070 PMIC init failed: %d\n",
 | |
| 				ret);
 | |
| 
 | |
| 	ret = da8xx_register_edma();
 | |
| 	if (ret)
 | |
| 		pr_warning("da850_evm_init: edma registration failed: %d\n",
 | |
| 				ret);
 | |
| 
 | |
| 	ret = davinci_cfg_reg_list(da850_i2c0_pins);
 | |
| 	if (ret)
 | |
| 		pr_warning("da850_evm_init: i2c0 mux setup failed: %d\n",
 | |
| 				ret);
 | |
| 
 | |
| 	ret = da8xx_register_i2c(0, &da850_evm_i2c_0_pdata);
 | |
| 	if (ret)
 | |
| 		pr_warning("da850_evm_init: i2c0 registration failed: %d\n",
 | |
| 				ret);
 | |
| 
 | |
| 
 | |
| 	ret = da8xx_register_watchdog();
 | |
| 	if (ret)
 | |
| 		pr_warning("da830_evm_init: watchdog registration failed: %d\n",
 | |
| 				ret);
 | |
| 
 | |
| 	if (HAS_MMC) {
 | |
| 		ret = davinci_cfg_reg_list(da850_mmcsd0_pins);
 | |
| 		if (ret)
 | |
| 			pr_warning("da850_evm_init: mmcsd0 mux setup failed:"
 | |
| 					" %d\n", ret);
 | |
| 
 | |
| 		ret = gpio_request(DA850_MMCSD_CD_PIN, "MMC CD\n");
 | |
| 		if (ret)
 | |
| 			pr_warning("da850_evm_init: can not open GPIO %d\n",
 | |
| 					DA850_MMCSD_CD_PIN);
 | |
| 		gpio_direction_input(DA850_MMCSD_CD_PIN);
 | |
| 
 | |
| 		ret = gpio_request(DA850_MMCSD_WP_PIN, "MMC WP\n");
 | |
| 		if (ret)
 | |
| 			pr_warning("da850_evm_init: can not open GPIO %d\n",
 | |
| 					DA850_MMCSD_WP_PIN);
 | |
| 		gpio_direction_input(DA850_MMCSD_WP_PIN);
 | |
| 
 | |
| 		ret = da8xx_register_mmcsd0(&da850_mmc_config);
 | |
| 		if (ret)
 | |
| 			pr_warning("da850_evm_init: mmcsd0 registration failed:"
 | |
| 					" %d\n", ret);
 | |
| 	}
 | |
| 
 | |
| 	davinci_serial_init(&da850_evm_uart_config);
 | |
| 
 | |
| 	i2c_register_board_info(1, da850_evm_i2c_devices,
 | |
| 			ARRAY_SIZE(da850_evm_i2c_devices));
 | |
| 
 | |
| 	/*
 | |
| 	 * shut down uart 0 and 1; they are not used on the board and
 | |
| 	 * accessing them causes endless "too much work in irq53" messages
 | |
| 	 * with arago fs
 | |
| 	 */
 | |
| 	__raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE) + 0x30);
 | |
| 	__raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30);
 | |
| 
 | |
| 	ret = davinci_cfg_reg_list(da850_mcasp_pins);
 | |
| 	if (ret)
 | |
| 		pr_warning("da850_evm_init: mcasp mux setup failed: %d\n",
 | |
| 				ret);
 | |
| 
 | |
| 	da8xx_register_mcasp(0, &da850_evm_snd_data);
 | |
| 
 | |
| 	ret = davinci_cfg_reg_list(da850_lcdcntl_pins);
 | |
| 	if (ret)
 | |
| 		pr_warning("da850_evm_init: lcdcntl mux setup failed: %d\n",
 | |
| 				ret);
 | |
| 
 | |
| 	/* Handle board specific muxing for LCD here */
 | |
| 	ret = davinci_cfg_reg_list(da850_evm_lcdc_pins);
 | |
| 	if (ret)
 | |
| 		pr_warning("da850_evm_init: evm specific lcd mux setup "
 | |
| 				"failed: %d\n",	ret);
 | |
| 
 | |
| 	ret = da850_lcd_hw_init();
 | |
| 	if (ret)
 | |
| 		pr_warning("da850_evm_init: lcd initialization failed: %d\n",
 | |
| 				ret);
 | |
| 
 | |
| 	sharp_lk043t1dg01_pdata.panel_power_ctrl = da850_panel_power_ctrl,
 | |
| 	ret = da8xx_register_lcdc(&sharp_lk043t1dg01_pdata);
 | |
| 	if (ret)
 | |
| 		pr_warning("da850_evm_init: lcdc registration failed: %d\n",
 | |
| 				ret);
 | |
| 
 | |
| 	ret = da8xx_register_rtc();
 | |
| 	if (ret)
 | |
| 		pr_warning("da850_evm_init: rtc setup failed: %d\n", ret);
 | |
| 
 | |
| 	ret = da850_register_cpufreq();
 | |
| 	if (ret)
 | |
| 		pr_warning("da850_evm_init: cpufreq registration failed: %d\n",
 | |
| 				ret);
 | |
| 
 | |
| 	ret = da8xx_register_cpuidle();
 | |
| 	if (ret)
 | |
| 		pr_warning("da850_evm_init: cpuidle registration failed: %d\n",
 | |
| 				ret);
 | |
| 
 | |
| 	ret = da850_register_pm(&da850_pm_device);
 | |
| 	if (ret)
 | |
| 		pr_warning("da850_evm_init: suspend registration failed: %d\n",
 | |
| 				ret);
 | |
| }
 | |
| 
 | |
| #ifdef CONFIG_SERIAL_8250_CONSOLE
 | |
| static int __init da850_evm_console_init(void)
 | |
| {
 | |
| 	return add_preferred_console("ttyS", 2, "115200");
 | |
| }
 | |
| console_initcall(da850_evm_console_init);
 | |
| #endif
 | |
| 
 | |
| static void __init da850_evm_map_io(void)
 | |
| {
 | |
| 	da850_init();
 | |
| }
 | |
| 
 | |
| MACHINE_START(DAVINCI_DA850_EVM, "DaVinci DA850/OMAP-L138 EVM")
 | |
| 	.phys_io	= IO_PHYS,
 | |
| 	.io_pg_offst	= (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
 | |
| 	.boot_params	= (DA8XX_DDR_BASE + 0x100),
 | |
| 	.map_io		= da850_evm_map_io,
 | |
| 	.init_irq	= cp_intc_init,
 | |
| 	.timer		= &davinci_timer,
 | |
| 	.init_machine	= da850_evm_init,
 | |
| MACHINE_END
 |