| /* |
| * 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 <linux/delay.h> |
| |
| #include <asm/mach-types.h> |
| #include <asm/mach/arch.h> |
| |
| #include <plat/i2c.h> |
| #include <plat/ste_dma40.h> |
| #include <plat/pincfg.h> |
| |
| #include <mach/hardware.h> |
| #include <mach/setup.h> |
| #include <mach/devices.h> |
| #include <mach/irqs.h> |
| |
| #include "pins-db8500.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, t_out, _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, \ |
| /* Slave response timeout(ms) */\ |
| .timeout = t_out, \ |
| .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 8 and standard |
| * mode of operation |
| */ |
| U8500_I2C_CONTROLLER(0, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST); |
| U8500_I2C_CONTROLLER(1, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST); |
| U8500_I2C_CONTROLLER(2, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST); |
| U8500_I2C_CONTROLLER(3, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST); |
| |
| 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 pin_cfg_t mop500_pins_uart0[] = { |
| GPIO0_U0_CTSn | PIN_INPUT_PULLUP, |
| GPIO1_U0_RTSn | PIN_OUTPUT_HIGH, |
| GPIO2_U0_RXD | PIN_INPUT_PULLUP, |
| GPIO3_U0_TXD | PIN_OUTPUT_HIGH, |
| }; |
| |
| #define PRCC_K_SOFTRST_SET 0x18 |
| #define PRCC_K_SOFTRST_CLEAR 0x1C |
| static void ux500_uart0_reset(void) |
| { |
| void __iomem *prcc_rst_set, *prcc_rst_clr; |
| |
| prcc_rst_set = (void __iomem *)IO_ADDRESS(U8500_CLKRST1_BASE + |
| PRCC_K_SOFTRST_SET); |
| prcc_rst_clr = (void __iomem *)IO_ADDRESS(U8500_CLKRST1_BASE + |
| PRCC_K_SOFTRST_CLEAR); |
| |
| /* Activate soft reset PRCC_K_SOFTRST_CLEAR */ |
| writel((readl(prcc_rst_clr) | 0x1), prcc_rst_clr); |
| udelay(1); |
| |
| /* Release soft reset PRCC_K_SOFTRST_SET */ |
| writel((readl(prcc_rst_set) | 0x1), prcc_rst_set); |
| udelay(1); |
| } |
| |
| static void ux500_uart0_init(void) |
| { |
| int ret; |
| |
| ret = nmk_config_pins(mop500_pins_uart0, |
| ARRAY_SIZE(mop500_pins_uart0)); |
| if (ret < 0) |
| pr_err("pl011: uart pins_enable failed\n"); |
| } |
| |
| static void ux500_uart0_exit(void) |
| { |
| int ret; |
| |
| ret = nmk_config_pins_sleep(mop500_pins_uart0, |
| ARRAY_SIZE(mop500_pins_uart0)); |
| if (ret < 0) |
| pr_err("pl011: uart pins_disable failed\n"); |
| } |
| |
| 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 |
| .init = ux500_uart0_init, |
| .exit = ux500_uart0_exit, |
| .reset = ux500_uart0_reset, |
| }; |
| |
| 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 |