diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-rx51-peripherals.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-rx51-peripherals.c | 419 |
1 files changed, 419 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c new file mode 100644 index 00000000000..a7381729645 --- /dev/null +++ b/arch/arm/mach-omap2/board-rx51-peripherals.c @@ -0,0 +1,419 @@ +/* + * linux/arch/arm/mach-omap2/board-rx51-flash.c + * + * Copyright (C) 2008-2009 Nokia + * + * 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/platform_device.h> +#include <linux/input.h> +#include <linux/spi/spi.h> +#include <linux/i2c.h> +#include <linux/i2c/twl4030.h> +#include <linux/clk.h> +#include <linux/delay.h> +#include <linux/regulator/machine.h> +#include <linux/gpio.h> + +#include <mach/mcspi.h> +#include <mach/mux.h> +#include <mach/board.h> +#include <mach/common.h> +#include <mach/dma.h> +#include <mach/gpmc.h> +#include <mach/keypad.h> + +#include "mmc-twl4030.h" + + +#define SMC91X_CS 1 +#define SMC91X_GPIO_IRQ 54 +#define SMC91X_GPIO_RESET 164 +#define SMC91X_GPIO_PWRDWN 86 + +static struct resource rx51_smc91x_resources[] = { + [0] = { + .flags = IORESOURCE_MEM, + }, + [1] = { + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, + }, +}; + +static struct platform_device rx51_smc91x_device = { + .name = "smc91x", + .id = -1, + .num_resources = ARRAY_SIZE(rx51_smc91x_resources), + .resource = rx51_smc91x_resources, +}; + +static int rx51_keymap[] = { + KEY(0, 0, KEY_Q), + KEY(0, 1, KEY_W), + KEY(0, 2, KEY_E), + KEY(0, 3, KEY_R), + KEY(0, 4, KEY_T), + KEY(0, 5, KEY_Y), + KEY(0, 6, KEY_U), + KEY(0, 7, KEY_I), + KEY(1, 0, KEY_O), + KEY(1, 1, KEY_D), + KEY(1, 2, KEY_DOT), + KEY(1, 3, KEY_V), + KEY(1, 4, KEY_DOWN), + KEY(2, 0, KEY_P), + KEY(2, 1, KEY_F), + KEY(2, 2, KEY_UP), + KEY(2, 3, KEY_B), + KEY(2, 4, KEY_RIGHT), + KEY(3, 0, KEY_COMMA), + KEY(3, 1, KEY_G), + KEY(3, 2, KEY_ENTER), + KEY(3, 3, KEY_N), + KEY(4, 0, KEY_BACKSPACE), + KEY(4, 1, KEY_H), + KEY(4, 3, KEY_M), + KEY(4, 4, KEY_LEFTCTRL), + KEY(5, 1, KEY_J), + KEY(5, 2, KEY_Z), + KEY(5, 3, KEY_SPACE), + KEY(5, 4, KEY_LEFTSHIFT), + KEY(6, 0, KEY_A), + KEY(6, 1, KEY_K), + KEY(6, 2, KEY_X), + KEY(6, 3, KEY_SPACE), + KEY(6, 4, KEY_FN), + KEY(7, 0, KEY_S), + KEY(7, 1, KEY_L), + KEY(7, 2, KEY_C), + KEY(7, 3, KEY_LEFT), + KEY(0xff, 0, KEY_F6), + KEY(0xff, 1, KEY_F7), + KEY(0xff, 2, KEY_F8), + KEY(0xff, 4, KEY_F9), + KEY(0xff, 5, KEY_F10), +}; + +static struct twl4030_keypad_data rx51_kp_data = { + .rows = 8, + .cols = 8, + .keymap = rx51_keymap, + .keymapsize = ARRAY_SIZE(rx51_keymap), + .rep = 1, +}; + +static struct platform_device *rx51_peripherals_devices[] = { + &rx51_smc91x_device, +}; + +/* + * Timings are taken from smsc-lan91c96-ms.pdf + */ +static int smc91x_init_gpmc(int cs) +{ + struct gpmc_timings t; + const int t2_r = 45; /* t2 in Figure 12.10 */ + const int t2_w = 30; /* t2 in Figure 12.11 */ + const int t3 = 15; /* t3 in Figure 12.10 */ + const int t5_r = 0; /* t5 in Figure 12.10 */ + const int t6_r = 45; /* t6 in Figure 12.10 */ + const int t6_w = 0; /* t6 in Figure 12.11 */ + const int t7_w = 15; /* t7 in Figure 12.11 */ + const int t15 = 12; /* t15 in Figure 12.2 */ + const int t20 = 185; /* t20 in Figure 12.2 */ + + memset(&t, 0, sizeof(t)); + + t.cs_on = t15; + t.cs_rd_off = t3 + t2_r + t5_r; /* Figure 12.10 */ + t.cs_wr_off = t3 + t2_w + t6_w; /* Figure 12.11 */ + t.adv_on = t3; /* Figure 12.10 */ + t.adv_rd_off = t3 + t2_r; /* Figure 12.10 */ + t.adv_wr_off = t3 + t2_w; /* Figure 12.11 */ + t.oe_off = t3 + t2_r + t5_r; /* Figure 12.10 */ + t.oe_on = t.oe_off - t6_r; /* Figure 12.10 */ + t.we_off = t3 + t2_w + t6_w; /* Figure 12.11 */ + t.we_on = t.we_off - t7_w; /* Figure 12.11 */ + t.rd_cycle = t20; /* Figure 12.2 */ + t.wr_cycle = t20; /* Figure 12.4 */ + t.access = t3 + t2_r + t5_r; /* Figure 12.10 */ + t.wr_access = t3 + t2_w + t6_w; /* Figure 12.11 */ + + gpmc_cs_write_reg(cs, GPMC_CS_CONFIG1, GPMC_CONFIG1_DEVICESIZE_16); + + return gpmc_cs_set_timings(cs, &t); +} + +static void __init rx51_init_smc91x(void) +{ + unsigned long cs_mem_base; + int ret; + + omap_cfg_reg(U8_34XX_GPIO54_DOWN); + omap_cfg_reg(G25_34XX_GPIO86_OUT); + omap_cfg_reg(H19_34XX_GPIO164_OUT); + + if (gpmc_cs_request(SMC91X_CS, SZ_16M, &cs_mem_base) < 0) { + printk(KERN_ERR "Failed to request GPMC mem for smc91x\n"); + return; + } + + rx51_smc91x_resources[0].start = cs_mem_base + 0x300; + rx51_smc91x_resources[0].end = cs_mem_base + 0x30f; + + smc91x_init_gpmc(SMC91X_CS); + + if (gpio_request(SMC91X_GPIO_IRQ, "SMC91X irq") < 0) + goto free1; + + gpio_direction_input(SMC91X_GPIO_IRQ); + rx51_smc91x_resources[1].start = gpio_to_irq(SMC91X_GPIO_IRQ); + + ret = gpio_request(SMC91X_GPIO_PWRDWN, "SMC91X powerdown"); + if (ret) + goto free2; + gpio_direction_output(SMC91X_GPIO_PWRDWN, 0); + + ret = gpio_request(SMC91X_GPIO_RESET, "SMC91X reset"); + if (ret) + goto free3; + gpio_direction_output(SMC91X_GPIO_RESET, 0); + gpio_set_value(SMC91X_GPIO_RESET, 1); + msleep(100); + gpio_set_value(SMC91X_GPIO_RESET, 0); + + return; + +free3: + gpio_free(SMC91X_GPIO_PWRDWN); +free2: + gpio_free(SMC91X_GPIO_IRQ); +free1: + gpmc_cs_free(SMC91X_CS); + + printk(KERN_ERR "Could not initialize smc91x\n"); +} + +static struct twl4030_madc_platform_data rx51_madc_data = { + .irq_line = 1, +}; + +static struct twl4030_hsmmc_info mmc[] = { + { + .name = "external", + .mmc = 1, + .wires = 4, + .cover_only = true, + .gpio_cd = 160, + .gpio_wp = -EINVAL, + }, + { + .name = "internal", + .mmc = 2, + .wires = 8, + .gpio_cd = -EINVAL, + .gpio_wp = -EINVAL, + }, + {} /* Terminator */ +}; + +static struct regulator_consumer_supply rx51_vmmc1_supply = { + .supply = "vmmc", +}; + +static struct regulator_consumer_supply rx51_vmmc2_supply = { + .supply = "vmmc", +}; + +static struct regulator_consumer_supply rx51_vsim_supply = { + .supply = "vmmc_aux", +}; + +static struct regulator_init_data rx51_vaux1 = { + .constraints = { + .name = "V28", + .min_uV = 2800000, + .max_uV = 2800000, + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, +}; + +static struct regulator_init_data rx51_vaux2 = { + .constraints = { + .name = "VCSI", + .min_uV = 1800000, + .max_uV = 1800000, + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, +}; + +/* VAUX3 - adds more power to VIO_18 rail */ +static struct regulator_init_data rx51_vaux3 = { + .constraints = { + .name = "VCAM_DIG_18", + .min_uV = 1800000, + .max_uV = 1800000, + .apply_uV = true, + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, +}; + +static struct regulator_init_data rx51_vaux4 = { + .constraints = { + .name = "VCAM_ANA_28", + .min_uV = 2800000, + .max_uV = 2800000, + .apply_uV = true, + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, +}; + +static struct regulator_init_data rx51_vmmc1 = { + .constraints = { + .min_uV = 1850000, + .max_uV = 3150000, + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE + | REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = 1, + .consumer_supplies = &rx51_vmmc1_supply, +}; + +static struct regulator_init_data rx51_vmmc2 = { + .constraints = { + .name = "VMMC2_30", + .min_uV = 1850000, + .max_uV = 3150000, + .apply_uV = true, + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE + | REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = 1, + .consumer_supplies = &rx51_vmmc2_supply, +}; + +static struct regulator_init_data rx51_vsim = { + .constraints = { + .name = "VMMC2_IO_18", + .min_uV = 1800000, + .max_uV = 1800000, + .apply_uV = true, + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = 1, + .consumer_supplies = &rx51_vsim_supply, +}; + +static struct regulator_init_data rx51_vdac = { + .constraints = { + .min_uV = 1800000, + .max_uV = 1800000, + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE + | REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, +}; + +static int rx51_twlgpio_setup(struct device *dev, unsigned gpio, unsigned n) +{ + /* FIXME this gpio setup is just a placeholder for now */ + gpio_request(gpio + 6, "backlight_pwm"); + gpio_direction_output(gpio + 6, 0); + gpio_request(gpio + 7, "speaker_en"); + gpio_direction_output(gpio + 7, 1); + + /* set up MMC adapters, linking their regulators to them */ + twl4030_mmc_init(mmc); + rx51_vmmc1_supply.dev = mmc[0].dev; + rx51_vmmc2_supply.dev = mmc[1].dev; + rx51_vsim_supply.dev = mmc[1].dev; + + return 0; +} + +static struct twl4030_gpio_platform_data rx51_gpio_data = { + .gpio_base = OMAP_MAX_GPIO_LINES, + .irq_base = TWL4030_GPIO_IRQ_BASE, + .irq_end = TWL4030_GPIO_IRQ_END, + .pulldowns = BIT(0) | BIT(1) | BIT(2) | BIT(3) + | BIT(4) | BIT(5) + | BIT(8) | BIT(9) | BIT(10) | BIT(11) + | BIT(12) | BIT(13) | BIT(14) | BIT(15) + | BIT(16) | BIT(17) , + .setup = rx51_twlgpio_setup, +}; + +static struct twl4030_platform_data rx51_twldata = { + .irq_base = TWL4030_IRQ_BASE, + .irq_end = TWL4030_IRQ_END, + + /* platform_data for children goes here */ + .gpio = &rx51_gpio_data, + .keypad = &rx51_kp_data, + .madc = &rx51_madc_data, + + .vaux1 = &rx51_vaux1, + .vaux2 = &rx51_vaux2, + .vaux3 = &rx51_vaux3, + .vaux4 = &rx51_vaux4, + .vmmc1 = &rx51_vmmc1, + .vmmc2 = &rx51_vmmc2, + .vsim = &rx51_vsim, + .vdac = &rx51_vdac, +}; + +static struct i2c_board_info __initdata rx51_peripherals_i2c_board_info_1[] = { + { + I2C_BOARD_INFO("twl5030", 0x48), + .flags = I2C_CLIENT_WAKE, + .irq = INT_34XX_SYS_NIRQ, + .platform_data = &rx51_twldata, + }, +}; + +static int __init rx51_i2c_init(void) +{ + omap_register_i2c_bus(1, 2600, rx51_peripherals_i2c_board_info_1, + ARRAY_SIZE(rx51_peripherals_i2c_board_info_1)); + omap_register_i2c_bus(2, 100, NULL, 0); + omap_register_i2c_bus(3, 400, NULL, 0); + return 0; +} + + +void __init rx51_peripherals_init(void) +{ + platform_add_devices(rx51_peripherals_devices, + ARRAY_SIZE(rx51_peripherals_devices)); + rx51_i2c_init(); + rx51_init_smc91x(); +} + |