diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-ux500/board-u5500.c')
| -rw-r--r-- | ANDROID_3.4.5/arch/arm/mach-ux500/board-u5500.c | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-ux500/board-u5500.c b/ANDROID_3.4.5/arch/arm/mach-ux500/board-u5500.c new file mode 100644 index 00000000..0ff4be72 --- /dev/null +++ b/ANDROID_3.4.5/arch/arm/mach-ux500/board-u5500.c @@ -0,0 +1,162 @@ +/* + * Copyright (C) ST-Ericsson SA 2010 + * + * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson + * License terms: GNU General Public License (GPL) version 2 + */ + +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/amba/bus.h> +#include <linux/irq.h> +#include <linux/i2c.h> +#include <linux/mfd/abx500/ab5500.h> + +#include <asm/hardware/gic.h> +#include <asm/mach/arch.h> +#include <asm/mach-types.h> + +#include <plat/pincfg.h> +#include <plat/i2c.h> +#include <plat/gpio-nomadik.h> + +#include <mach/hardware.h> +#include <mach/devices.h> +#include <mach/setup.h> + +#include "pins-db5500.h" +#include "devices-db5500.h" +#include <linux/led-lm3530.h> + +/* + * GPIO + */ + +static pin_cfg_t u5500_pins[] = { + /* I2C */ + GPIO218_I2C2_SCL | PIN_INPUT_PULLUP, + GPIO219_I2C2_SDA | PIN_INPUT_PULLUP, + + /* DISPLAY_ENABLE */ + GPIO226_GPIO | PIN_OUTPUT_LOW, + + /* Backlight Enbale */ + GPIO224_GPIO | PIN_OUTPUT_HIGH, +}; +/* + * I2C + */ + +#define U5500_I2C_CONTROLLER(id, _slsu, _tft, _rft, clk, _sm) \ +static struct nmk_i2c_controller u5500_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 TODO <3> 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 + */ + +U5500_I2C_CONTROLLER(2, 0xe, 1, 1, 400000, I2C_FREQ_MODE_FAST); + +static struct lm3530_platform_data u5500_als_platform_data = { + .mode = LM3530_BL_MODE_MANUAL, + .als_input_mode = LM3530_INPUT_ALS1, + .max_current = LM3530_FS_CURR_26mA, + .pwm_pol_hi = true, + .als_avrg_time = LM3530_ALS_AVRG_TIME_512ms, + .brt_ramp_law = 1, /* Linear */ + .brt_ramp_fall = LM3530_RAMP_TIME_8s, + .brt_ramp_rise = LM3530_RAMP_TIME_8s, + .als1_resistor_sel = LM3530_ALS_IMPD_13_53kOhm, + .als2_resistor_sel = LM3530_ALS_IMPD_Z, + .als_vmin = 730, /* mV */ + .als_vmax = 1020, /* mV */ + .brt_val = 0x7F, /* Max brightness */ +}; + +static struct i2c_board_info __initdata u5500_i2c2_devices[] = { + { + /* Backlight */ + I2C_BOARD_INFO("lm3530-led", 0x36), + .platform_data = &u5500_als_platform_data, + }, +}; + +static void __init u5500_i2c_init(struct device *parent) +{ + db5500_add_i2c2(parent, &u5500_i2c2_data); + i2c_register_board_info(2, ARRAY_AND_SIZE(u5500_i2c2_devices)); +} + +static struct ab5500_platform_data ab5500_plf_data = { + .irq = { + .base = 0, + .count = 0, + }, + .init_settings = NULL, + .init_settings_sz = 0, + .pm_power_off = false, +}; + +static struct platform_device ab5500_device = { + .name = "ab5500-core", + .id = 0, + .dev = { + .platform_data = &ab5500_plf_data, + }, + .num_resources = 0, +}; + +static struct platform_device *u5500_platform_devices[] __initdata = { + &ab5500_device, +}; + +static void __init u5500_uart_init(struct device *parent) +{ + db5500_add_uart0(parent, NULL); + db5500_add_uart1(parent, NULL); + db5500_add_uart2(parent, NULL); +} + +static void __init u5500_init_machine(void) +{ + struct device *parent = NULL; + int i; + + parent = u5500_init_devices(); + nmk_config_pins(u5500_pins, ARRAY_SIZE(u5500_pins)); + + u5500_i2c_init(parent); + u5500_sdi_init(parent); + u5500_uart_init(parent); + + for (i = 0; i < ARRAY_SIZE(u5500_platform_devices); i++) + u5500_platform_devices[i]->dev.parent = parent; + + platform_add_devices(u5500_platform_devices, + ARRAY_SIZE(u5500_platform_devices)); +} + +MACHINE_START(U5500, "ST-Ericsson U5500 Platform") + .atag_offset = 0x100, + .map_io = u5500_map_io, + .init_irq = ux500_init_irq, + .timer = &ux500_timer, + .handle_irq = gic_handle_irq, + .init_machine = u5500_init_machine, +MACHINE_END |