diff options
Diffstat (limited to 'arch/arm/mach-pxa/z2.c')
| -rw-r--r-- | arch/arm/mach-pxa/z2.c | 142 |
1 files changed, 123 insertions, 19 deletions
diff --git a/arch/arm/mach-pxa/z2.c b/arch/arm/mach-pxa/z2.c index f5d1ae3db3a..f0d02288b4c 100644 --- a/arch/arm/mach-pxa/z2.c +++ b/arch/arm/mach-pxa/z2.c @@ -3,8 +3,9 @@ * * Support for the Zipit Z2 Handheld device. * - * Author: Ken McGuire - * Created: Jan 25, 2009 + * Copyright (C) 2009-2010 Marek Vasut <marek.vasut@gmail.com> + * + * Based on research and code by: Ken McGuire * Based on mainstone.c as modified for the Zipit Z2. * * This program is free software; you can redistribute it and/or modify @@ -16,6 +17,7 @@ #include <linux/mtd/mtd.h> #include <linux/mtd/partitions.h> #include <linux/pwm_backlight.h> +#include <linux/z2_battery.h> #include <linux/dma-mapping.h> #include <linux/spi/spi.h> #include <linux/spi/libertas_spi.h> @@ -25,6 +27,7 @@ #include <linux/gpio.h> #include <linux/gpio_keys.h> #include <linux/delay.h> +#include <linux/regulator/machine.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -157,21 +160,14 @@ static struct mtd_partition z2_flash_parts[] = { { .name = "U-Boot Bootloader", .offset = 0x0, - .size = 0x20000, - }, - { - .name = "Linux Kernel", - .offset = 0x20000, - .size = 0x220000, - }, - { - .name = "Filesystem", - .offset = 0x240000, - .size = 0x5b0000, - }, - { + .size = 0x40000, + }, { .name = "U-Boot Environment", - .offset = 0x7f0000, + .offset = 0x40000, + .size = 0x20000, + }, { + .name = "Flash", + .offset = 0x60000, .size = MTDPART_SIZ_FULL, }, }; @@ -458,6 +454,42 @@ static inline void z2_keys_init(void) {} #endif /****************************************************************************** + * Battery + ******************************************************************************/ +#if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE) +static struct z2_battery_info batt_chip_info = { + .batt_I2C_bus = 0, + .batt_I2C_addr = 0x55, + .batt_I2C_reg = 2, + .charge_gpio = GPIO0_ZIPITZ2_AC_DETECT, + .min_voltage = 2400000, + .max_voltage = 3700000, + .batt_div = 69, + .batt_mult = 1000000, + .batt_tech = POWER_SUPPLY_TECHNOLOGY_LION, + .batt_name = "Z2", +}; + +static struct i2c_board_info __initdata z2_i2c_board_info[] = { + { + I2C_BOARD_INFO("aer915", 0x55), + .platform_data = &batt_chip_info, + }, { + I2C_BOARD_INFO("wm8750", 0x1b), + }, + +}; + +static void __init z2_i2c_init(void) +{ + pxa_set_i2c_info(NULL); + i2c_register_board_info(0, ARRAY_AND_SIZE(z2_i2c_board_info)); +} +#else +static inline void z2_i2c_init(void) {} +#endif + +/****************************************************************************** * SSP Devices - WiFi and LCD control ******************************************************************************/ #if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE) @@ -579,23 +611,95 @@ static inline void z2_spi_init(void) {} #endif /****************************************************************************** + * Core power regulator + ******************************************************************************/ +#if defined(CONFIG_REGULATOR_TPS65023) || \ + defined(CONFIG_REGULATOR_TPS65023_MODULE) +static struct regulator_consumer_supply z2_tps65021_consumers[] = { + { + .supply = "vcc_core", + } +}; + +static struct regulator_init_data z2_tps65021_info[] = { + { + .constraints = { + .name = "vcc_core range", + .min_uV = 800000, + .max_uV = 1600000, + .always_on = 1, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, + }, + .consumer_supplies = z2_tps65021_consumers, + .num_consumer_supplies = ARRAY_SIZE(z2_tps65021_consumers), + }, { + .constraints = { + .name = "DCDC2", + .min_uV = 3300000, + .max_uV = 3300000, + .always_on = 1, + }, + }, { + .constraints = { + .name = "DCDC3", + .min_uV = 1800000, + .max_uV = 1800000, + .always_on = 1, + }, + }, { + .constraints = { + .name = "LDO1", + .min_uV = 1000000, + .max_uV = 3150000, + .always_on = 1, + }, + }, { + .constraints = { + .name = "LDO2", + .min_uV = 1050000, + .max_uV = 3300000, + .always_on = 1, + }, + } +}; + +static struct i2c_board_info __initdata z2_pi2c_board_info[] = { + { + I2C_BOARD_INFO("tps65021", 0x48), + .platform_data = &z2_tps65021_info, + }, +}; + +static void __init z2_pmic_init(void) +{ + pxa27x_set_i2c_power_info(NULL); + i2c_register_board_info(1, ARRAY_AND_SIZE(z2_pi2c_board_info)); +} +#else +static inline void z2_pmic_init(void) {} +#endif + +/****************************************************************************** * Machine init ******************************************************************************/ static void __init z2_init(void) { pxa2xx_mfp_config(ARRAY_AND_SIZE(z2_pin_config)); + pxa_set_ffuart_info(NULL); + pxa_set_btuart_info(NULL); + pxa_set_stuart_info(NULL); + z2_lcd_init(); z2_mmc_init(); z2_mkp_init(); - - pxa_set_i2c_info(NULL); - + z2_i2c_init(); z2_spi_init(); z2_nor_init(); z2_pwm_init(); z2_leds_init(); z2_keys_init(); + z2_pmic_init(); } MACHINE_START(ZIPIT2, "Zipit Z2") |