2 * Copyright (C) ST-Ericsson SA 2010
4 * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
5 * License terms: GNU General Public License (GPL) version 2
8 #include <linux/init.h>
9 #include <linux/platform_device.h>
10 #include <linux/amba/bus.h>
11 #include <linux/irq.h>
12 #include <linux/i2c.h>
13 #include <linux/mfd/ab5500/ab5500.h>
15 #include <asm/mach/arch.h>
16 #include <asm/mach-types.h>
18 #include <plat/pincfg.h>
20 #include <plat/gpio-nomadik.h>
22 #include <mach/hardware.h>
23 #include <mach/devices.h>
24 #include <mach/setup.h>
26 #include "pins-db5500.h"
27 #include "devices-db5500.h"
28 #include <linux/led-lm3530.h>
34 static pin_cfg_t u5500_pins[] = {
36 GPIO218_I2C2_SCL | PIN_INPUT_PULLUP,
37 GPIO219_I2C2_SDA | PIN_INPUT_PULLUP,
40 GPIO226_GPIO | PIN_OUTPUT_LOW,
42 /* Backlight Enbale */
43 GPIO224_GPIO | PIN_OUTPUT_HIGH,
49 #define U5500_I2C_CONTROLLER(id, _slsu, _tft, _rft, clk, _sm) \
50 static struct nmk_i2c_controller u5500_i2c##id##_data = { \
52 * slave data setup time, which is \
53 * 250 ns,100ns,10ns which is 14,6,2 \
54 * respectively for a 48 Mhz \
58 /* Tx FIFO threshold */ \
60 /* Rx FIFO threshold */ \
62 /* std. mode operation */ \
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
73 U5500_I2C_CONTROLLER(2, 0xe, 1, 1, 400000, I2C_FREQ_MODE_FAST);
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,
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 */
91 static struct i2c_board_info __initdata u5500_i2c2_devices[] = {
94 I2C_BOARD_INFO("lm3530-led", 0x36),
95 .platform_data = &u5500_als_platform_data,
99 static void __init u5500_i2c_init(void)
101 db5500_add_i2c2(&u5500_i2c2_data);
102 i2c_register_board_info(2, ARRAY_AND_SIZE(u5500_i2c2_devices));
105 static struct ab5500_platform_data ab5500_plf_data = {
110 .init_settings = NULL,
111 .init_settings_sz = 0,
112 .pm_power_off = false,
115 static struct platform_device ab5500_device = {
116 .name = "ab5500-core",
119 .platform_data = &ab5500_plf_data,
124 static struct platform_device *u5500_platform_devices[] __initdata = {
128 static void __init u5500_uart_init(void)
130 db5500_add_uart0(NULL);
131 db5500_add_uart1(NULL);
132 db5500_add_uart2(NULL);
135 static void __init u5500_init_machine(void)
137 u5500_init_devices();
138 nmk_config_pins(u5500_pins, ARRAY_SIZE(u5500_pins));
143 platform_add_devices(u5500_platform_devices,
144 ARRAY_SIZE(u5500_platform_devices));
147 MACHINE_START(U5500, "ST-Ericsson U5500 Platform")
148 .atag_offset = 0x100,
149 .map_io = u5500_map_io,
150 .init_irq = ux500_init_irq,
151 .timer = &ux500_timer,
152 .init_machine = u5500_init_machine,