forked from Minki/linux
bb3b218756
Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
350 lines
7.9 KiB
C
350 lines
7.9 KiB
C
/*
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* Copyright (C) 2008-2009 ST-Ericsson
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*
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* Author: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2, as
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* published by the Free Software Foundation.
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*
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/platform_device.h>
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#include <linux/io.h>
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#include <linux/i2c.h>
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#include <linux/gpio.h>
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#include <linux/amba/bus.h>
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#include <linux/amba/pl022.h>
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#include <linux/spi/spi.h>
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#include <linux/mfd/ab8500.h>
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#include <linux/mfd/tc3589x.h>
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#include <linux/leds-lp5521.h>
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#include <linux/input.h>
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#include <linux/gpio_keys.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <plat/pincfg.h>
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#include <plat/i2c.h>
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#include <mach/hardware.h>
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#include <mach/setup.h>
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#include <mach/devices.h>
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#include <mach/irqs.h>
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#include "devices-db8500.h"
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#include "pins-db8500.h"
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#include "board-mop500.h"
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#include "board-mop500-regulators.h"
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static pin_cfg_t mop500_pins[] = {
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/* SSP0 */
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GPIO143_SSP0_CLK,
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GPIO144_SSP0_FRM,
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GPIO145_SSP0_RXD,
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GPIO146_SSP0_TXD,
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/* I2C */
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GPIO147_I2C0_SCL,
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GPIO148_I2C0_SDA,
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GPIO16_I2C1_SCL,
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GPIO17_I2C1_SDA,
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GPIO10_I2C2_SDA,
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GPIO11_I2C2_SCL,
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GPIO229_I2C3_SDA,
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GPIO230_I2C3_SCL,
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/* SKE keypad */
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GPIO153_KP_I7,
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GPIO154_KP_I6,
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GPIO155_KP_I5,
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GPIO156_KP_I4,
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GPIO157_KP_O7,
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GPIO158_KP_O6,
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GPIO159_KP_O5,
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GPIO160_KP_O4,
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GPIO161_KP_I3,
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GPIO162_KP_I2,
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GPIO163_KP_I1,
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GPIO164_KP_I0,
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GPIO165_KP_O3,
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GPIO166_KP_O2,
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GPIO167_KP_O1,
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GPIO168_KP_O0,
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/* GPIO_EXP_INT */
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GPIO217_GPIO,
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/* STMPE1601 IRQ */
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GPIO218_GPIO | PIN_INPUT_PULLUP,
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/* touch screen */
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GPIO84_GPIO | PIN_INPUT_PULLUP,
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};
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static struct ab8500_platform_data ab8500_platdata = {
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.irq_base = MOP500_AB8500_IRQ_BASE,
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.regulator = ab8500_regulators,
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.num_regulator = ARRAY_SIZE(ab8500_regulators),
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};
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static struct resource ab8500_resources[] = {
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[0] = {
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.start = IRQ_DB8500_AB8500,
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.end = IRQ_DB8500_AB8500,
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.flags = IORESOURCE_IRQ
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}
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};
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struct platform_device ab8500_device = {
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.name = "ab8500-i2c",
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.id = 0,
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.dev = {
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.platform_data = &ab8500_platdata,
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},
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.num_resources = 1,
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.resource = ab8500_resources,
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};
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static struct pl022_ssp_controller ssp0_platform_data = {
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.bus_id = 0,
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/* pl022 not yet supports dma */
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.enable_dma = 0,
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/* on this platform, gpio 31,142,144,214 &
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* 224 are connected as chip selects
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*/
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.num_chipselect = 5,
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};
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/*
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* TC35892
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*/
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static void mop500_tc35892_init(struct tc3589x *tc3589x, unsigned int base)
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{
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mop500_sdi_tc35892_init();
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}
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static struct tc3589x_gpio_platform_data mop500_tc35892_gpio_data = {
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.gpio_base = MOP500_EGPIO(0),
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.setup = mop500_tc35892_init,
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};
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static struct tc3589x_platform_data mop500_tc35892_data = {
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.block = TC3589x_BLOCK_GPIO,
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.gpio = &mop500_tc35892_gpio_data,
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.irq_base = MOP500_EGPIO_IRQ_BASE,
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};
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static struct lp5521_led_config lp5521_pri_led[] = {
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[0] = {
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.chan_nr = 0,
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.led_current = 0x2f,
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.max_current = 0x5f,
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},
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[1] = {
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.chan_nr = 1,
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.led_current = 0x2f,
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.max_current = 0x5f,
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},
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[2] = {
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.chan_nr = 2,
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.led_current = 0x2f,
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.max_current = 0x5f,
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},
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};
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static struct lp5521_platform_data __initdata lp5521_pri_data = {
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.label = "lp5521_pri",
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.led_config = &lp5521_pri_led[0],
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.num_channels = 3,
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.clock_mode = LP5521_CLOCK_EXT,
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};
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static struct lp5521_led_config lp5521_sec_led[] = {
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[0] = {
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.chan_nr = 0,
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.led_current = 0x2f,
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.max_current = 0x5f,
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},
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[1] = {
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.chan_nr = 1,
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.led_current = 0x2f,
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.max_current = 0x5f,
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},
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[2] = {
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.chan_nr = 2,
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.led_current = 0x2f,
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.max_current = 0x5f,
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},
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};
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static struct lp5521_platform_data __initdata lp5521_sec_data = {
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.label = "lp5521_sec",
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.led_config = &lp5521_sec_led[0],
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.num_channels = 3,
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.clock_mode = LP5521_CLOCK_EXT,
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};
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static struct i2c_board_info mop500_i2c0_devices[] = {
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{
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I2C_BOARD_INFO("tc3589x", 0x42),
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.irq = NOMADIK_GPIO_TO_IRQ(217),
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.platform_data = &mop500_tc35892_data,
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},
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};
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static struct i2c_board_info __initdata mop500_i2c2_devices[] = {
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{
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/* lp5521 LED driver, 1st device */
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I2C_BOARD_INFO("lp5521", 0x33),
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.platform_data = &lp5521_pri_data,
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},
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{
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/* lp5521 LED driver, 2st device */
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I2C_BOARD_INFO("lp5521", 0x34),
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.platform_data = &lp5521_sec_data,
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},
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{
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/* Light sensor Rohm BH1780GLI */
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I2C_BOARD_INFO("bh1780", 0x29),
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},
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};
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#define U8500_I2C_CONTROLLER(id, _slsu, _tft, _rft, clk, _sm) \
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static struct nmk_i2c_controller u8500_i2c##id##_data = { \
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/* \
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* slave data setup time, which is \
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* 250 ns,100ns,10ns which is 14,6,2 \
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* respectively for a 48 Mhz \
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* i2c clock \
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*/ \
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.slsu = _slsu, \
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/* Tx FIFO threshold */ \
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.tft = _tft, \
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/* Rx FIFO threshold */ \
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.rft = _rft, \
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/* std. mode operation */ \
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.clk_freq = clk, \
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.sm = _sm, \
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}
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/*
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* The board uses 4 i2c controllers, initialize all of
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* them with slave data setup time of 250 ns,
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* Tx & Rx FIFO threshold values as 1 and standard
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* mode of operation
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*/
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U8500_I2C_CONTROLLER(0, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD);
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U8500_I2C_CONTROLLER(1, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD);
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U8500_I2C_CONTROLLER(2, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD);
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U8500_I2C_CONTROLLER(3, 0xe, 1, 1, 100000, I2C_FREQ_MODE_STANDARD);
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static void __init mop500_i2c_init(void)
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{
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db8500_add_i2c0(&u8500_i2c0_data);
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db8500_add_i2c1(&u8500_i2c1_data);
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db8500_add_i2c2(&u8500_i2c2_data);
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db8500_add_i2c3(&u8500_i2c3_data);
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}
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static struct gpio_keys_button mop500_gpio_keys[] = {
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{
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.desc = "SFH7741 Proximity Sensor",
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.type = EV_SW,
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.code = SW_FRONT_PROXIMITY,
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.gpio = GPIO_PROX_SENSOR,
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.active_low = 0,
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.can_disable = 1,
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}
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};
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static struct regulator *prox_regulator;
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static int mop500_prox_activate(struct device *dev);
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static void mop500_prox_deactivate(struct device *dev);
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static struct gpio_keys_platform_data mop500_gpio_keys_data = {
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.buttons = mop500_gpio_keys,
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.nbuttons = ARRAY_SIZE(mop500_gpio_keys),
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.enable = mop500_prox_activate,
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.disable = mop500_prox_deactivate,
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};
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static struct platform_device mop500_gpio_keys_device = {
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.name = "gpio-keys",
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.id = 0,
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.dev = {
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.platform_data = &mop500_gpio_keys_data,
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},
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};
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static int mop500_prox_activate(struct device *dev)
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{
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prox_regulator = regulator_get(&mop500_gpio_keys_device.dev,
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"vcc");
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if (IS_ERR(prox_regulator)) {
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dev_err(&mop500_gpio_keys_device.dev,
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"no regulator\n");
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return PTR_ERR(prox_regulator);
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}
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regulator_enable(prox_regulator);
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return 0;
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}
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static void mop500_prox_deactivate(struct device *dev)
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{
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regulator_disable(prox_regulator);
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regulator_put(prox_regulator);
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}
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/* add any platform devices here - TODO */
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static struct platform_device *platform_devs[] __initdata = {
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&mop500_gpio_keys_device,
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};
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static void __init mop500_spi_init(void)
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{
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db8500_add_ssp0(&ssp0_platform_data);
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}
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static void __init mop500_uart_init(void)
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{
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db8500_add_uart0();
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db8500_add_uart1();
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db8500_add_uart2();
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}
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static void __init u8500_init_machine(void)
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{
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u8500_init_devices();
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nmk_config_pins(mop500_pins, ARRAY_SIZE(mop500_pins));
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platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs));
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mop500_i2c_init();
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mop500_sdi_init();
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mop500_spi_init();
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mop500_uart_init();
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platform_device_register(&ab8500_device);
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i2c_register_board_info(0, mop500_i2c0_devices,
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ARRAY_SIZE(mop500_i2c0_devices));
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i2c_register_board_info(2, mop500_i2c2_devices,
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ARRAY_SIZE(mop500_i2c2_devices));
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}
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MACHINE_START(U8500, "ST-Ericsson MOP500 platform")
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/* Maintainer: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> */
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.boot_params = 0x100,
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.map_io = u8500_map_io,
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.init_irq = ux500_init_irq,
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/* we re-use nomadik timer here */
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.timer = &ux500_timer,
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.init_machine = u8500_init_machine,
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MACHINE_END
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