| /* | 
 |  * Copyright (C) 2008-2009 ST-Ericsson | 
 |  * | 
 |  * Author: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com> | 
 |  * | 
 |  * This program is free software; you can redistribute it and/or modify | 
 |  * it under the terms of the GNU General Public License version 2, as | 
 |  * published by the Free Software Foundation. | 
 |  * | 
 |  */ | 
 | #include <linux/kernel.h> | 
 | #include <linux/init.h> | 
 | #include <linux/interrupt.h> | 
 | #include <linux/platform_device.h> | 
 | #include <linux/io.h> | 
 | #include <linux/i2c.h> | 
 | #include <linux/gpio.h> | 
 | #include <linux/amba/bus.h> | 
 | #include <linux/amba/pl022.h> | 
 | #include <linux/amba/serial.h> | 
 | #include <linux/spi/spi.h> | 
 | #include <linux/mfd/ab8500.h> | 
 | #include <linux/regulator/ab8500.h> | 
 | #include <linux/mfd/tc3589x.h> | 
 | #include <linux/mfd/tps6105x.h> | 
 | #include <linux/mfd/ab8500/gpio.h> | 
 | #include <linux/leds-lp5521.h> | 
 | #include <linux/input.h> | 
 | #include <linux/gpio_keys.h> | 
 |  | 
 | #include <asm/mach-types.h> | 
 | #include <asm/mach/arch.h> | 
 |  | 
 | #include <plat/i2c.h> | 
 | #include <plat/ste_dma40.h> | 
 |  | 
 | #include <mach/hardware.h> | 
 | #include <mach/setup.h> | 
 | #include <mach/devices.h> | 
 | #include <mach/irqs.h> | 
 |  | 
 | #include "ste-dma40-db8500.h" | 
 | #include "devices-db8500.h" | 
 | #include "board-mop500.h" | 
 | #include "board-mop500-regulators.h" | 
 |  | 
 | static struct ab8500_gpio_platform_data ab8500_gpio_pdata = { | 
 | 	.gpio_base		= MOP500_AB8500_GPIO(0), | 
 | 	.irq_base		= MOP500_AB8500_VIR_GPIO_IRQ_BASE, | 
 | 	/* config_reg is the initial configuration of ab8500 pins. | 
 | 	 * The pins can be configured as GPIO or alt functions based | 
 | 	 * on value present in GpioSel1 to GpioSel6 and AlternatFunction | 
 | 	 * register. This is the array of 7 configuration settings. | 
 | 	 * One has to compile time decide these settings. Below is the | 
 | 	 * explanation of these setting | 
 | 	 * GpioSel1 = 0x00 => Pins GPIO1 to GPIO8 are not used as GPIO | 
 | 	 * GpioSel2 = 0x1E => Pins GPIO10 to GPIO13 are configured as GPIO | 
 | 	 * GpioSel3 = 0x80 => Pin GPIO24 is configured as GPIO | 
 | 	 * GpioSel4 = 0x01 => Pin GPIo25 is configured as GPIO | 
 | 	 * GpioSel5 = 0x7A => Pins GPIO34, GPIO36 to GPIO39 are conf as GPIO | 
 | 	 * GpioSel6 = 0x00 => Pins GPIO41 & GPIo42 are not configured as GPIO | 
 | 	 * AlternaFunction = 0x00 => If Pins GPIO10 to 13 are not configured | 
 | 	 * as GPIO then this register selectes the alternate fucntions | 
 | 	 */ | 
 | 	.config_reg		= {0x00, 0x1E, 0x80, 0x01, | 
 | 					0x7A, 0x00, 0x00}, | 
 | }; | 
 |  | 
 | static struct ab8500_platform_data ab8500_platdata = { | 
 | 	.irq_base	= MOP500_AB8500_IRQ_BASE, | 
 | 	.regulator_reg_init = ab8500_regulator_reg_init, | 
 | 	.num_regulator_reg_init	= ARRAY_SIZE(ab8500_regulator_reg_init), | 
 | 	.regulator	= ab8500_regulators, | 
 | 	.num_regulator	= ARRAY_SIZE(ab8500_regulators), | 
 | 	.gpio		= &ab8500_gpio_pdata, | 
 | }; | 
 |  | 
 | static struct resource ab8500_resources[] = { | 
 | 	[0] = { | 
 | 		.start	= IRQ_DB8500_AB8500, | 
 | 		.end	= IRQ_DB8500_AB8500, | 
 | 		.flags	= IORESOURCE_IRQ | 
 | 	} | 
 | }; | 
 |  | 
 | struct platform_device ab8500_device = { | 
 | 	.name = "ab8500-i2c", | 
 | 	.id = 0, | 
 | 	.dev = { | 
 | 		.platform_data = &ab8500_platdata, | 
 | 	}, | 
 | 	.num_resources = 1, | 
 | 	.resource = ab8500_resources, | 
 | }; | 
 |  | 
 | /* | 
 |  * TPS61052 | 
 |  */ | 
 |  | 
 | static struct tps6105x_platform_data mop500_tps61052_data = { | 
 | 	.mode = TPS6105X_MODE_VOLTAGE, | 
 | 	.regulator_data = &tps61052_regulator, | 
 | }; | 
 |  | 
 | /* | 
 |  * TC35892 | 
 |  */ | 
 |  | 
 | static void mop500_tc35892_init(struct tc3589x *tc3589x, unsigned int base) | 
 | { | 
 | 	mop500_sdi_tc35892_init(); | 
 | } | 
 |  | 
 | static struct tc3589x_gpio_platform_data mop500_tc35892_gpio_data = { | 
 | 	.gpio_base	= MOP500_EGPIO(0), | 
 | 	.setup		= mop500_tc35892_init, | 
 | }; | 
 |  | 
 | static struct tc3589x_platform_data mop500_tc35892_data = { | 
 | 	.block		= TC3589x_BLOCK_GPIO, | 
 | 	.gpio		= &mop500_tc35892_gpio_data, | 
 | 	.irq_base	= MOP500_EGPIO_IRQ_BASE, | 
 | }; | 
 |  | 
 | static struct lp5521_led_config lp5521_pri_led[] = { | 
 |        [0] = { | 
 | 	       .chan_nr = 0, | 
 | 	       .led_current = 0x2f, | 
 | 	       .max_current = 0x5f, | 
 |        }, | 
 |        [1] = { | 
 | 	       .chan_nr = 1, | 
 | 	       .led_current = 0x2f, | 
 | 	       .max_current = 0x5f, | 
 |        }, | 
 |        [2] = { | 
 | 	       .chan_nr = 2, | 
 | 	       .led_current = 0x2f, | 
 | 	       .max_current = 0x5f, | 
 |        }, | 
 | }; | 
 |  | 
 | static struct lp5521_platform_data __initdata lp5521_pri_data = { | 
 |        .label = "lp5521_pri", | 
 |        .led_config     = &lp5521_pri_led[0], | 
 |        .num_channels   = 3, | 
 |        .clock_mode     = LP5521_CLOCK_EXT, | 
 | }; | 
 |  | 
 | static struct lp5521_led_config lp5521_sec_led[] = { | 
 |        [0] = { | 
 | 	       .chan_nr = 0, | 
 | 	       .led_current = 0x2f, | 
 | 	       .max_current = 0x5f, | 
 |        }, | 
 |        [1] = { | 
 | 	       .chan_nr = 1, | 
 | 	       .led_current = 0x2f, | 
 | 	       .max_current = 0x5f, | 
 |        }, | 
 |        [2] = { | 
 | 	       .chan_nr = 2, | 
 | 	       .led_current = 0x2f, | 
 | 	       .max_current = 0x5f, | 
 |        }, | 
 | }; | 
 |  | 
 | static struct lp5521_platform_data __initdata lp5521_sec_data = { | 
 |        .label = "lp5521_sec", | 
 |        .led_config     = &lp5521_sec_led[0], | 
 |        .num_channels   = 3, | 
 |        .clock_mode     = LP5521_CLOCK_EXT, | 
 | }; | 
 |  | 
 | static struct i2c_board_info __initdata mop500_i2c0_devices[] = { | 
 | 	{ | 
 | 		I2C_BOARD_INFO("tc3589x", 0x42), | 
 | 		.irq		= NOMADIK_GPIO_TO_IRQ(217), | 
 | 		.platform_data  = &mop500_tc35892_data, | 
 | 	}, | 
 | 	/* I2C0 devices only available prior to HREFv60 */ | 
 | 	{ | 
 | 		I2C_BOARD_INFO("tps61052", 0x33), | 
 | 		.platform_data  = &mop500_tps61052_data, | 
 | 	}, | 
 | }; | 
 |  | 
 | #define NUM_PRE_V60_I2C0_DEVICES 1 | 
 |  | 
 | static struct i2c_board_info __initdata mop500_i2c2_devices[] = { | 
 | 	{ | 
 | 		/* lp5521 LED driver, 1st device */ | 
 | 		I2C_BOARD_INFO("lp5521", 0x33), | 
 | 		.platform_data = &lp5521_pri_data, | 
 | 	}, | 
 | 	{ | 
 | 		/* lp5521 LED driver, 2st device */ | 
 | 		I2C_BOARD_INFO("lp5521", 0x34), | 
 | 		.platform_data = &lp5521_sec_data, | 
 | 	}, | 
 | 	{ | 
 | 		/* Light sensor Rohm BH1780GLI */ | 
 | 		I2C_BOARD_INFO("bh1780", 0x29), | 
 | 	}, | 
 | }; | 
 |  | 
 | #define U8500_I2C_CONTROLLER(id, _slsu, _tft, _rft, clk, _sm) \ | 
 | static struct nmk_i2c_controller u8500_i2c##id##_data = { \ | 
 | 	/*				\ | 
 | 	 * slave data setup time, which is	\ | 
 | 	 * 250 ns,100ns,10ns which is 14,6,2	\ | 
 | 	 * respectively for a 48 Mhz	\ | 
 | 	 * i2c clock			\ | 
 | 	 */				\ | 
 | 	.slsu		= _slsu,	\ | 
 | 	/* Tx FIFO threshold */		\ | 
 | 	.tft		= _tft,		\ | 
 | 	/* Rx FIFO threshold */		\ | 
 | 	.rft		= _rft,		\ | 
 | 	/* std. mode operation */	\ | 
 | 	.clk_freq	= clk,		\ | 
 | 	.sm		= _sm,		\ | 
 | } | 
 |  | 
 | /* | 
 |  * The board uses 4 i2c controllers, initialize all of | 
 |  * them with slave data setup time of 250 ns, | 
 |  * Tx & Rx FIFO threshold values as 1 and standard | 
 |  * mode of operation | 
 |  */ | 
 | U8500_I2C_CONTROLLER(0, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD); | 
 | U8500_I2C_CONTROLLER(1, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD); | 
 | U8500_I2C_CONTROLLER(2,	0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD); | 
 | U8500_I2C_CONTROLLER(3,	0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD); | 
 |  | 
 | static void __init mop500_i2c_init(void) | 
 | { | 
 | 	db8500_add_i2c0(&u8500_i2c0_data); | 
 | 	db8500_add_i2c1(&u8500_i2c1_data); | 
 | 	db8500_add_i2c2(&u8500_i2c2_data); | 
 | 	db8500_add_i2c3(&u8500_i2c3_data); | 
 | } | 
 |  | 
 | static struct gpio_keys_button mop500_gpio_keys[] = { | 
 | 	{ | 
 | 		.desc			= "SFH7741 Proximity Sensor", | 
 | 		.type			= EV_SW, | 
 | 		.code			= SW_FRONT_PROXIMITY, | 
 | 		.active_low		= 0, | 
 | 		.can_disable		= 1, | 
 | 	} | 
 | }; | 
 |  | 
 | static struct regulator *prox_regulator; | 
 | static int mop500_prox_activate(struct device *dev); | 
 | static void mop500_prox_deactivate(struct device *dev); | 
 |  | 
 | static struct gpio_keys_platform_data mop500_gpio_keys_data = { | 
 | 	.buttons	= mop500_gpio_keys, | 
 | 	.nbuttons	= ARRAY_SIZE(mop500_gpio_keys), | 
 | 	.enable		= mop500_prox_activate, | 
 | 	.disable	= mop500_prox_deactivate, | 
 | }; | 
 |  | 
 | static struct platform_device mop500_gpio_keys_device = { | 
 | 	.name	= "gpio-keys", | 
 | 	.id	= 0, | 
 | 	.dev	= { | 
 | 		.platform_data	= &mop500_gpio_keys_data, | 
 | 	}, | 
 | }; | 
 |  | 
 | static int mop500_prox_activate(struct device *dev) | 
 | { | 
 | 	prox_regulator = regulator_get(&mop500_gpio_keys_device.dev, | 
 | 						"vcc"); | 
 | 	if (IS_ERR(prox_regulator)) { | 
 | 		dev_err(&mop500_gpio_keys_device.dev, | 
 | 			"no regulator\n"); | 
 | 		return PTR_ERR(prox_regulator); | 
 | 	} | 
 | 	regulator_enable(prox_regulator); | 
 | 	return 0; | 
 | } | 
 |  | 
 | static void mop500_prox_deactivate(struct device *dev) | 
 | { | 
 | 	regulator_disable(prox_regulator); | 
 | 	regulator_put(prox_regulator); | 
 | } | 
 |  | 
 | /* add any platform devices here - TODO */ | 
 | static struct platform_device *platform_devs[] __initdata = { | 
 | 	&mop500_gpio_keys_device, | 
 | }; | 
 |  | 
 | #ifdef CONFIG_STE_DMA40 | 
 | static struct stedma40_chan_cfg ssp0_dma_cfg_rx = { | 
 | 	.mode = STEDMA40_MODE_LOGICAL, | 
 | 	.dir = STEDMA40_PERIPH_TO_MEM, | 
 | 	.src_dev_type =  DB8500_DMA_DEV8_SSP0_RX, | 
 | 	.dst_dev_type = STEDMA40_DEV_DST_MEMORY, | 
 | 	.src_info.data_width = STEDMA40_BYTE_WIDTH, | 
 | 	.dst_info.data_width = STEDMA40_BYTE_WIDTH, | 
 | }; | 
 |  | 
 | static struct stedma40_chan_cfg ssp0_dma_cfg_tx = { | 
 | 	.mode = STEDMA40_MODE_LOGICAL, | 
 | 	.dir = STEDMA40_MEM_TO_PERIPH, | 
 | 	.src_dev_type = STEDMA40_DEV_SRC_MEMORY, | 
 | 	.dst_dev_type = DB8500_DMA_DEV8_SSP0_TX, | 
 | 	.src_info.data_width = STEDMA40_BYTE_WIDTH, | 
 | 	.dst_info.data_width = STEDMA40_BYTE_WIDTH, | 
 | }; | 
 | #endif | 
 |  | 
 | static struct pl022_ssp_controller ssp0_platform_data = { | 
 | 	.bus_id = 0, | 
 | #ifdef CONFIG_STE_DMA40 | 
 | 	.enable_dma = 1, | 
 | 	.dma_filter = stedma40_filter, | 
 | 	.dma_rx_param = &ssp0_dma_cfg_rx, | 
 | 	.dma_tx_param = &ssp0_dma_cfg_tx, | 
 | #else | 
 | 	.enable_dma = 0, | 
 | #endif | 
 | 	/* on this platform, gpio 31,142,144,214 & | 
 | 	 * 224 are connected as chip selects | 
 | 	 */ | 
 | 	.num_chipselect = 5, | 
 | }; | 
 |  | 
 | static void __init mop500_spi_init(void) | 
 | { | 
 | 	db8500_add_ssp0(&ssp0_platform_data); | 
 | } | 
 |  | 
 | #ifdef CONFIG_STE_DMA40 | 
 | static struct stedma40_chan_cfg uart0_dma_cfg_rx = { | 
 | 	.mode = STEDMA40_MODE_LOGICAL, | 
 | 	.dir = STEDMA40_PERIPH_TO_MEM, | 
 | 	.src_dev_type =  DB8500_DMA_DEV13_UART0_RX, | 
 | 	.dst_dev_type = STEDMA40_DEV_DST_MEMORY, | 
 | 	.src_info.data_width = STEDMA40_BYTE_WIDTH, | 
 | 	.dst_info.data_width = STEDMA40_BYTE_WIDTH, | 
 | }; | 
 |  | 
 | static struct stedma40_chan_cfg uart0_dma_cfg_tx = { | 
 | 	.mode = STEDMA40_MODE_LOGICAL, | 
 | 	.dir = STEDMA40_MEM_TO_PERIPH, | 
 | 	.src_dev_type = STEDMA40_DEV_SRC_MEMORY, | 
 | 	.dst_dev_type = DB8500_DMA_DEV13_UART0_TX, | 
 | 	.src_info.data_width = STEDMA40_BYTE_WIDTH, | 
 | 	.dst_info.data_width = STEDMA40_BYTE_WIDTH, | 
 | }; | 
 |  | 
 | static struct stedma40_chan_cfg uart1_dma_cfg_rx = { | 
 | 	.mode = STEDMA40_MODE_LOGICAL, | 
 | 	.dir = STEDMA40_PERIPH_TO_MEM, | 
 | 	.src_dev_type =  DB8500_DMA_DEV12_UART1_RX, | 
 | 	.dst_dev_type = STEDMA40_DEV_DST_MEMORY, | 
 | 	.src_info.data_width = STEDMA40_BYTE_WIDTH, | 
 | 	.dst_info.data_width = STEDMA40_BYTE_WIDTH, | 
 | }; | 
 |  | 
 | static struct stedma40_chan_cfg uart1_dma_cfg_tx = { | 
 | 	.mode = STEDMA40_MODE_LOGICAL, | 
 | 	.dir = STEDMA40_MEM_TO_PERIPH, | 
 | 	.src_dev_type = STEDMA40_DEV_SRC_MEMORY, | 
 | 	.dst_dev_type = DB8500_DMA_DEV12_UART1_TX, | 
 | 	.src_info.data_width = STEDMA40_BYTE_WIDTH, | 
 | 	.dst_info.data_width = STEDMA40_BYTE_WIDTH, | 
 | }; | 
 |  | 
 | static struct stedma40_chan_cfg uart2_dma_cfg_rx = { | 
 | 	.mode = STEDMA40_MODE_LOGICAL, | 
 | 	.dir = STEDMA40_PERIPH_TO_MEM, | 
 | 	.src_dev_type =  DB8500_DMA_DEV11_UART2_RX, | 
 | 	.dst_dev_type = STEDMA40_DEV_DST_MEMORY, | 
 | 	.src_info.data_width = STEDMA40_BYTE_WIDTH, | 
 | 	.dst_info.data_width = STEDMA40_BYTE_WIDTH, | 
 | }; | 
 |  | 
 | static struct stedma40_chan_cfg uart2_dma_cfg_tx = { | 
 | 	.mode = STEDMA40_MODE_LOGICAL, | 
 | 	.dir = STEDMA40_MEM_TO_PERIPH, | 
 | 	.src_dev_type = STEDMA40_DEV_SRC_MEMORY, | 
 | 	.dst_dev_type = DB8500_DMA_DEV11_UART2_TX, | 
 | 	.src_info.data_width = STEDMA40_BYTE_WIDTH, | 
 | 	.dst_info.data_width = STEDMA40_BYTE_WIDTH, | 
 | }; | 
 | #endif | 
 |  | 
 | static struct amba_pl011_data uart0_plat = { | 
 | #ifdef CONFIG_STE_DMA40 | 
 | 	.dma_filter = stedma40_filter, | 
 | 	.dma_rx_param = &uart0_dma_cfg_rx, | 
 | 	.dma_tx_param = &uart0_dma_cfg_tx, | 
 | #endif | 
 | }; | 
 |  | 
 | static struct amba_pl011_data uart1_plat = { | 
 | #ifdef CONFIG_STE_DMA40 | 
 | 	.dma_filter = stedma40_filter, | 
 | 	.dma_rx_param = &uart1_dma_cfg_rx, | 
 | 	.dma_tx_param = &uart1_dma_cfg_tx, | 
 | #endif | 
 | }; | 
 |  | 
 | static struct amba_pl011_data uart2_plat = { | 
 | #ifdef CONFIG_STE_DMA40 | 
 | 	.dma_filter = stedma40_filter, | 
 | 	.dma_rx_param = &uart2_dma_cfg_rx, | 
 | 	.dma_tx_param = &uart2_dma_cfg_tx, | 
 | #endif | 
 | }; | 
 |  | 
 | static void __init mop500_uart_init(void) | 
 | { | 
 | 	db8500_add_uart0(&uart0_plat); | 
 | 	db8500_add_uart1(&uart1_plat); | 
 | 	db8500_add_uart2(&uart2_plat); | 
 | } | 
 |  | 
 | static void __init mop500_init_machine(void) | 
 | { | 
 | 	int i2c0_devs; | 
 |  | 
 | 	/* | 
 | 	 * The HREFv60 board removed a GPIO expander and routed | 
 | 	 * all these GPIO pins to the internal GPIO controller | 
 | 	 * instead. | 
 | 	 */ | 
 | 	if (machine_is_hrefv60()) | 
 | 		mop500_gpio_keys[0].gpio = HREFV60_PROX_SENSE_GPIO; | 
 | 	else | 
 | 		mop500_gpio_keys[0].gpio = GPIO_PROX_SENSOR; | 
 |  | 
 | 	u8500_init_devices(); | 
 |  | 
 | 	mop500_pins_init(); | 
 |  | 
 | 	platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs)); | 
 |  | 
 | 	mop500_i2c_init(); | 
 | 	mop500_sdi_init(); | 
 | 	mop500_spi_init(); | 
 | 	mop500_uart_init(); | 
 |  | 
 | 	platform_device_register(&ab8500_device); | 
 |  | 
 | 	i2c0_devs = ARRAY_SIZE(mop500_i2c0_devices); | 
 | 	if (machine_is_hrefv60()) | 
 | 		i2c0_devs -= NUM_PRE_V60_I2C0_DEVICES; | 
 |  | 
 | 	i2c_register_board_info(0, mop500_i2c0_devices, i2c0_devs); | 
 | 	i2c_register_board_info(2, mop500_i2c2_devices, | 
 | 				ARRAY_SIZE(mop500_i2c2_devices)); | 
 | } | 
 |  | 
 | MACHINE_START(U8500, "ST-Ericsson MOP500 platform") | 
 | 	/* Maintainer: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> */ | 
 | 	.boot_params	= 0x100, | 
 | 	.map_io		= u8500_map_io, | 
 | 	.init_irq	= ux500_init_irq, | 
 | 	/* we re-use nomadik timer here */ | 
 | 	.timer		= &ux500_timer, | 
 | 	.init_machine	= mop500_init_machine, | 
 | MACHINE_END | 
 |  | 
 | MACHINE_START(HREFV60, "ST-Ericsson U8500 Platform HREFv60+") | 
 | 	.boot_params	= 0x100, | 
 | 	.map_io		= u8500_map_io, | 
 | 	.init_irq	= ux500_init_irq, | 
 | 	.timer		= &ux500_timer, | 
 | 	.init_machine	= mop500_init_machine, | 
 | MACHINE_END |