Rabin Vincent | 591d8dd | 2010-05-03 08:46:51 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) ST-Ericsson SA 2010 |
| 3 | * |
| 4 | * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson |
| 5 | * License terms: GNU General Public License (GPL) version 2 |
| 6 | */ |
| 7 | |
| 8 | #include <linux/init.h> |
| 9 | #include <linux/platform_device.h> |
| 10 | #include <linux/amba/bus.h> |
Rabin Vincent | fbf1eadf | 2010-09-29 19:46:32 +0530 | [diff] [blame] | 11 | #include <linux/irq.h> |
Linus Walleij | b09628e | 2011-07-25 17:13:18 -0700 | [diff] [blame] | 12 | #include <linux/i2c.h> |
Mattias Wallin | b7ddac5 | 2011-09-22 08:22:27 +0200 | [diff] [blame] | 13 | #include <linux/mfd/ab5500/ab5500.h> |
Rabin Vincent | 591d8dd | 2010-05-03 08:46:51 +0100 | [diff] [blame] | 14 | |
| 15 | #include <asm/mach/arch.h> |
| 16 | #include <asm/mach-types.h> |
| 17 | |
Linus Walleij | b09628e | 2011-07-25 17:13:18 -0700 | [diff] [blame] | 18 | #include <plat/pincfg.h> |
| 19 | #include <plat/i2c.h> |
Linus Walleij | 0f33286 | 2011-08-22 08:33:30 +0100 | [diff] [blame] | 20 | #include <plat/gpio-nomadik.h> |
Linus Walleij | b09628e | 2011-07-25 17:13:18 -0700 | [diff] [blame] | 21 | |
Rabin Vincent | 591d8dd | 2010-05-03 08:46:51 +0100 | [diff] [blame] | 22 | #include <mach/hardware.h> |
| 23 | #include <mach/devices.h> |
| 24 | #include <mach/setup.h> |
| 25 | |
Linus Walleij | b09628e | 2011-07-25 17:13:18 -0700 | [diff] [blame] | 26 | #include "pins-db5500.h" |
Rabin Vincent | fbf1eadf | 2010-09-29 19:46:32 +0530 | [diff] [blame] | 27 | #include "devices-db5500.h" |
Linus Walleij | b09628e | 2011-07-25 17:13:18 -0700 | [diff] [blame] | 28 | #include <linux/led-lm3530.h> |
Rabin Vincent | fbf1eadf | 2010-09-29 19:46:32 +0530 | [diff] [blame] | 29 | |
Linus Walleij | b09628e | 2011-07-25 17:13:18 -0700 | [diff] [blame] | 30 | /* |
| 31 | * GPIO |
| 32 | */ |
| 33 | |
| 34 | static pin_cfg_t u5500_pins[] = { |
| 35 | /* I2C */ |
| 36 | GPIO218_I2C2_SCL | PIN_INPUT_PULLUP, |
| 37 | GPIO219_I2C2_SDA | PIN_INPUT_PULLUP, |
| 38 | |
| 39 | /* DISPLAY_ENABLE */ |
| 40 | GPIO226_GPIO | PIN_OUTPUT_LOW, |
| 41 | |
| 42 | /* Backlight Enbale */ |
| 43 | GPIO224_GPIO | PIN_OUTPUT_HIGH, |
| 44 | }; |
| 45 | /* |
| 46 | * I2C |
| 47 | */ |
| 48 | |
| 49 | #define U5500_I2C_CONTROLLER(id, _slsu, _tft, _rft, clk, _sm) \ |
| 50 | static struct nmk_i2c_controller u5500_i2c##id##_data = { \ |
| 51 | /* \ |
| 52 | * slave data setup time, which is \ |
| 53 | * 250 ns,100ns,10ns which is 14,6,2 \ |
| 54 | * respectively for a 48 Mhz \ |
| 55 | * i2c clock \ |
| 56 | */ \ |
| 57 | .slsu = _slsu, \ |
| 58 | /* Tx FIFO threshold */ \ |
| 59 | .tft = _tft, \ |
| 60 | /* Rx FIFO threshold */ \ |
| 61 | .rft = _rft, \ |
| 62 | /* std. mode operation */ \ |
| 63 | .clk_freq = clk, \ |
| 64 | .sm = _sm, \ |
| 65 | } |
| 66 | /* |
| 67 | * The board uses TODO <3> i2c controllers, initialize all of |
| 68 | * them with slave data setup time of 250 ns, |
| 69 | * Tx & Rx FIFO threshold values as 1 and standard |
| 70 | * mode of operation |
| 71 | */ |
| 72 | |
| 73 | U5500_I2C_CONTROLLER(2, 0xe, 1, 1, 400000, I2C_FREQ_MODE_FAST); |
| 74 | |
| 75 | static struct lm3530_platform_data u5500_als_platform_data = { |
| 76 | .mode = LM3530_BL_MODE_MANUAL, |
| 77 | .als_input_mode = LM3530_INPUT_ALS1, |
| 78 | .max_current = LM3530_FS_CURR_26mA, |
| 79 | .pwm_pol_hi = true, |
| 80 | .als_avrg_time = LM3530_ALS_AVRG_TIME_512ms, |
| 81 | .brt_ramp_law = 1, /* Linear */ |
| 82 | .brt_ramp_fall = LM3530_RAMP_TIME_8s, |
| 83 | .brt_ramp_rise = LM3530_RAMP_TIME_8s, |
| 84 | .als1_resistor_sel = LM3530_ALS_IMPD_13_53kOhm, |
| 85 | .als2_resistor_sel = LM3530_ALS_IMPD_Z, |
| 86 | .als_vmin = 730, /* mV */ |
| 87 | .als_vmax = 1020, /* mV */ |
| 88 | .brt_val = 0x7F, /* Max brightness */ |
| 89 | }; |
| 90 | |
Linus Walleij | b09628e | 2011-07-25 17:13:18 -0700 | [diff] [blame] | 91 | static struct i2c_board_info __initdata u5500_i2c2_devices[] = { |
| 92 | { |
| 93 | /* Backlight */ |
| 94 | I2C_BOARD_INFO("lm3530-led", 0x36), |
| 95 | .platform_data = &u5500_als_platform_data, |
| 96 | }, |
| 97 | }; |
| 98 | |
| 99 | static void __init u5500_i2c_init(void) |
| 100 | { |
| 101 | db5500_add_i2c2(&u5500_i2c2_data); |
| 102 | i2c_register_board_info(2, ARRAY_AND_SIZE(u5500_i2c2_devices)); |
| 103 | } |
Mattias Wallin | b7ddac5 | 2011-09-22 08:22:27 +0200 | [diff] [blame] | 104 | |
| 105 | static struct ab5500_platform_data ab5500_plf_data = { |
| 106 | .irq = { |
| 107 | .base = 0, |
| 108 | .count = 0, |
| 109 | }, |
| 110 | .init_settings = NULL, |
| 111 | .init_settings_sz = 0, |
| 112 | .pm_power_off = false, |
| 113 | }; |
| 114 | |
| 115 | static struct platform_device ab5500_device = { |
| 116 | .name = "ab5500-core", |
| 117 | .id = 0, |
| 118 | .dev = { |
| 119 | .platform_data = &ab5500_plf_data, |
| 120 | }, |
| 121 | .num_resources = 0, |
| 122 | }; |
| 123 | |
| 124 | static struct platform_device *u5500_platform_devices[] __initdata = { |
| 125 | &ab5500_device, |
| 126 | }; |
| 127 | |
Rabin Vincent | fbf1eadf | 2010-09-29 19:46:32 +0530 | [diff] [blame] | 128 | static void __init u5500_uart_init(void) |
| 129 | { |
Linus Walleij | 5d7b846 | 2010-10-14 13:57:59 +0200 | [diff] [blame] | 130 | db5500_add_uart0(NULL); |
| 131 | db5500_add_uart1(NULL); |
| 132 | db5500_add_uart2(NULL); |
Rabin Vincent | fbf1eadf | 2010-09-29 19:46:32 +0530 | [diff] [blame] | 133 | } |
Rabin Vincent | 591d8dd | 2010-05-03 08:46:51 +0100 | [diff] [blame] | 134 | |
| 135 | static void __init u5500_init_machine(void) |
| 136 | { |
| 137 | u5500_init_devices(); |
Linus Walleij | b09628e | 2011-07-25 17:13:18 -0700 | [diff] [blame] | 138 | nmk_config_pins(u5500_pins, ARRAY_SIZE(u5500_pins)); |
| 139 | u5500_i2c_init(); |
Per Forlin | bab263e | 2010-12-05 12:49:03 +0100 | [diff] [blame] | 140 | u5500_sdi_init(); |
Rabin Vincent | fbf1eadf | 2010-09-29 19:46:32 +0530 | [diff] [blame] | 141 | u5500_uart_init(); |
Mattias Wallin | b7ddac5 | 2011-09-22 08:22:27 +0200 | [diff] [blame] | 142 | |
| 143 | platform_add_devices(u5500_platform_devices, |
| 144 | ARRAY_SIZE(u5500_platform_devices)); |
Rabin Vincent | 591d8dd | 2010-05-03 08:46:51 +0100 | [diff] [blame] | 145 | } |
| 146 | |
Per Forlin | bab263e | 2010-12-05 12:49:03 +0100 | [diff] [blame] | 147 | MACHINE_START(U5500, "ST-Ericsson U5500 Platform") |
Nicolas Pitre | bc77b1a | 2011-07-05 22:38:18 -0400 | [diff] [blame] | 148 | .atag_offset = 0x100, |
Rabin Vincent | 591d8dd | 2010-05-03 08:46:51 +0100 | [diff] [blame] | 149 | .map_io = u5500_map_io, |
| 150 | .init_irq = ux500_init_irq, |
| 151 | .timer = &ux500_timer, |
| 152 | .init_machine = u5500_init_machine, |
| 153 | MACHINE_END |