2009-11-28 08:17:18 +01:00
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/*
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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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2010-08-09 15:48:17 +02:00
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#include <linux/i2c.h>
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2010-06-03 08:58:42 +02:00
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#include <linux/gpio.h>
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2009-11-28 08:17:18 +01:00
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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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2010-07-26 12:12:15 +02:00
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#include <linux/mfd/ab8500.h>
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2010-12-13 05:03:14 +01:00
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#include <linux/mfd/tc3589x.h>
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2009-11-28 08:17:18 +01:00
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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2010-06-03 08:58:42 +02:00
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#include <plat/pincfg.h>
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2010-02-03 13:02:48 +01:00
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#include <plat/i2c.h>
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2009-11-28 08:17:18 +01:00
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#include <mach/hardware.h>
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#include <mach/setup.h>
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2010-05-03 09:03:52 +02:00
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#include <mach/devices.h>
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2010-09-06 23:15:08 +02:00
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#include <mach/irqs.h>
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2009-11-28 08:17:18 +01:00
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2010-09-29 16:16:32 +02:00
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#include "devices-db8500.h"
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2010-06-03 08:58:42 +02:00
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#include "pins-db8500.h"
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2010-08-19 13:06:32 +02:00
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#include "board-mop500.h"
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2010-12-10 11:08:48 +01:00
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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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2010-09-30 04:43:09 +02:00
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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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2010-12-03 16:05:38 +01:00
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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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};
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2010-07-26 12:12:15 +02:00
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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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2010-09-06 23:15:08 +02:00
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static struct resource ab8500_resources[] = {
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[0] = {
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2010-12-08 06:37:56 +01:00
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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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2009-11-28 08:17:18 +01:00
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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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2010-08-09 15:48:17 +02:00
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/*
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* TC35892
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*/
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2010-12-13 05:03:14 +01:00
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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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2010-12-13 05:03:14 +01:00
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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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2010-12-13 05:03:14 +01:00
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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 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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2010-02-03 13:02:48 +01:00
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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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2010-09-29 16:16:32 +02:00
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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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2009-11-28 08:17:18 +01:00
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2010-02-03 13:02:48 +01:00
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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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};
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2010-09-29 16:16:32 +02:00
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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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2009-11-28 08:17:18 +01:00
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2010-09-29 16:16:32 +02:00
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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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2010-06-03 08:58:42 +02:00
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u8500_init_devices();
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nmk_config_pins(mop500_pins, ARRAY_SIZE(mop500_pins));
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2010-02-03 13:02:48 +01:00
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platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs));
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2010-09-29 16:16:32 +02:00
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mop500_i2c_init();
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2010-08-19 13:06:32 +02:00
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mop500_sdi_init();
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2010-09-29 16:16:32 +02:00
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mop500_spi_init();
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mop500_uart_init();
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2010-08-19 13:06:32 +02:00
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2010-12-03 16:05:36 +01:00
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mop500_keypad_init();
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2010-12-13 05:03:11 +01:00
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platform_device_register(&ab8500_device);
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2010-08-09 15:48:17 +02:00
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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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2009-11-28 08:17:18 +01:00
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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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2010-05-03 08:39:02 +02:00
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.init_irq = ux500_init_irq,
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2009-11-28 08:17:18 +01:00
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/* we re-use nomadik timer here */
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2010-05-03 09:28:05 +02:00
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.timer = &ux500_timer,
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2009-11-28 08:17:18 +01:00
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.init_machine = u8500_init_machine,
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MACHINE_END
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