478 lines
12 KiB
C
478 lines
12 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/amba/serial.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/regulator/ab8500.h>
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#include <linux/mfd/tc3589x.h>
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#include <linux/mfd/tps6105x.h>
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#include <linux/mfd/ab8500/gpio.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/i2c.h>
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#include <plat/ste_dma40.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 "ste-dma40-db8500.h"
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#include "devices-db8500.h"
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#include "board-mop500.h"
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#include "board-mop500-regulators.h"
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static struct ab8500_gpio_platform_data ab8500_gpio_pdata = {
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.gpio_base = MOP500_AB8500_GPIO(0),
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.irq_base = MOP500_AB8500_VIR_GPIO_IRQ_BASE,
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/* config_reg is the initial configuration of ab8500 pins.
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* The pins can be configured as GPIO or alt functions based
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* on value present in GpioSel1 to GpioSel6 and AlternatFunction
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* register. This is the array of 7 configuration settings.
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* One has to compile time decide these settings. Below is the
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* explanation of these setting
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* GpioSel1 = 0x00 => Pins GPIO1 to GPIO8 are not used as GPIO
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* GpioSel2 = 0x1E => Pins GPIO10 to GPIO13 are configured as GPIO
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* GpioSel3 = 0x80 => Pin GPIO24 is configured as GPIO
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* GpioSel4 = 0x01 => Pin GPIo25 is configured as GPIO
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* GpioSel5 = 0x7A => Pins GPIO34, GPIO36 to GPIO39 are conf as GPIO
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* GpioSel6 = 0x00 => Pins GPIO41 & GPIo42 are not configured as GPIO
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* AlternaFunction = 0x00 => If Pins GPIO10 to 13 are not configured
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* as GPIO then this register selectes the alternate fucntions
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*/
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.config_reg = {0x00, 0x1E, 0x80, 0x01,
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0x7A, 0x00, 0x00},
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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_reg_init = ab8500_regulator_reg_init,
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.num_regulator_reg_init = ARRAY_SIZE(ab8500_regulator_reg_init),
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.regulator = ab8500_regulators,
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.num_regulator = ARRAY_SIZE(ab8500_regulators),
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.gpio = &ab8500_gpio_pdata,
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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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/*
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* TPS61052
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*/
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static struct tps6105x_platform_data mop500_tps61052_data = {
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.mode = TPS6105X_MODE_VOLTAGE,
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.regulator_data = &tps61052_regulator,
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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 __initdata 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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/* I2C0 devices only available prior to HREFv60 */
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{
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I2C_BOARD_INFO("tps61052", 0x33),
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.platform_data = &mop500_tps61052_data,
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},
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};
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#define NUM_PRE_V60_I2C0_DEVICES 1
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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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.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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#ifdef CONFIG_STE_DMA40
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static struct stedma40_chan_cfg ssp0_dma_cfg_rx = {
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.mode = STEDMA40_MODE_LOGICAL,
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.dir = STEDMA40_PERIPH_TO_MEM,
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.src_dev_type = DB8500_DMA_DEV8_SSP0_RX,
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.dst_dev_type = STEDMA40_DEV_DST_MEMORY,
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.src_info.data_width = STEDMA40_BYTE_WIDTH,
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.dst_info.data_width = STEDMA40_BYTE_WIDTH,
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};
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static struct stedma40_chan_cfg ssp0_dma_cfg_tx = {
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.mode = STEDMA40_MODE_LOGICAL,
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.dir = STEDMA40_MEM_TO_PERIPH,
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.src_dev_type = STEDMA40_DEV_SRC_MEMORY,
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.dst_dev_type = DB8500_DMA_DEV8_SSP0_TX,
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.src_info.data_width = STEDMA40_BYTE_WIDTH,
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.dst_info.data_width = STEDMA40_BYTE_WIDTH,
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};
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#endif
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static struct pl022_ssp_controller ssp0_platform_data = {
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.bus_id = 0,
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#ifdef CONFIG_STE_DMA40
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.enable_dma = 1,
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.dma_filter = stedma40_filter,
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.dma_rx_param = &ssp0_dma_cfg_rx,
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.dma_tx_param = &ssp0_dma_cfg_tx,
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#else
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.enable_dma = 0,
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#endif
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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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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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#ifdef CONFIG_STE_DMA40
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static struct stedma40_chan_cfg uart0_dma_cfg_rx = {
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.mode = STEDMA40_MODE_LOGICAL,
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.dir = STEDMA40_PERIPH_TO_MEM,
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.src_dev_type = DB8500_DMA_DEV13_UART0_RX,
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.dst_dev_type = STEDMA40_DEV_DST_MEMORY,
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.src_info.data_width = STEDMA40_BYTE_WIDTH,
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.dst_info.data_width = STEDMA40_BYTE_WIDTH,
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};
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static struct stedma40_chan_cfg uart0_dma_cfg_tx = {
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.mode = STEDMA40_MODE_LOGICAL,
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.dir = STEDMA40_MEM_TO_PERIPH,
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.src_dev_type = STEDMA40_DEV_SRC_MEMORY,
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.dst_dev_type = DB8500_DMA_DEV13_UART0_TX,
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.src_info.data_width = STEDMA40_BYTE_WIDTH,
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.dst_info.data_width = STEDMA40_BYTE_WIDTH,
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};
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static struct stedma40_chan_cfg uart1_dma_cfg_rx = {
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.mode = STEDMA40_MODE_LOGICAL,
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.dir = STEDMA40_PERIPH_TO_MEM,
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.src_dev_type = DB8500_DMA_DEV12_UART1_RX,
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.dst_dev_type = STEDMA40_DEV_DST_MEMORY,
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.src_info.data_width = STEDMA40_BYTE_WIDTH,
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.dst_info.data_width = STEDMA40_BYTE_WIDTH,
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};
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static struct stedma40_chan_cfg uart1_dma_cfg_tx = {
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.mode = STEDMA40_MODE_LOGICAL,
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.dir = STEDMA40_MEM_TO_PERIPH,
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.src_dev_type = STEDMA40_DEV_SRC_MEMORY,
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.dst_dev_type = DB8500_DMA_DEV12_UART1_TX,
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.src_info.data_width = STEDMA40_BYTE_WIDTH,
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.dst_info.data_width = STEDMA40_BYTE_WIDTH,
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};
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static struct stedma40_chan_cfg uart2_dma_cfg_rx = {
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.mode = STEDMA40_MODE_LOGICAL,
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.dir = STEDMA40_PERIPH_TO_MEM,
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.src_dev_type = DB8500_DMA_DEV11_UART2_RX,
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.dst_dev_type = STEDMA40_DEV_DST_MEMORY,
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.src_info.data_width = STEDMA40_BYTE_WIDTH,
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.dst_info.data_width = STEDMA40_BYTE_WIDTH,
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};
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static struct stedma40_chan_cfg uart2_dma_cfg_tx = {
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.mode = STEDMA40_MODE_LOGICAL,
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.dir = STEDMA40_MEM_TO_PERIPH,
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.src_dev_type = STEDMA40_DEV_SRC_MEMORY,
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.dst_dev_type = DB8500_DMA_DEV11_UART2_TX,
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.src_info.data_width = STEDMA40_BYTE_WIDTH,
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.dst_info.data_width = STEDMA40_BYTE_WIDTH,
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};
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#endif
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static struct amba_pl011_data uart0_plat = {
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#ifdef CONFIG_STE_DMA40
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.dma_filter = stedma40_filter,
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.dma_rx_param = &uart0_dma_cfg_rx,
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.dma_tx_param = &uart0_dma_cfg_tx,
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#endif
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};
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static struct amba_pl011_data uart1_plat = {
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#ifdef CONFIG_STE_DMA40
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.dma_filter = stedma40_filter,
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.dma_rx_param = &uart1_dma_cfg_rx,
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.dma_tx_param = &uart1_dma_cfg_tx,
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#endif
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};
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static struct amba_pl011_data uart2_plat = {
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#ifdef CONFIG_STE_DMA40
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.dma_filter = stedma40_filter,
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.dma_rx_param = &uart2_dma_cfg_rx,
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.dma_tx_param = &uart2_dma_cfg_tx,
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#endif
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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(&uart0_plat);
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db8500_add_uart1(&uart1_plat);
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db8500_add_uart2(&uart2_plat);
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}
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static void __init mop500_init_machine(void)
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{
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int i2c0_devs;
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/*
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* The HREFv60 board removed a GPIO expander and routed
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* all these GPIO pins to the internal GPIO controller
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* instead.
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*/
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if (machine_is_hrefv60())
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mop500_gpio_keys[0].gpio = HREFV60_PROX_SENSE_GPIO;
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else
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mop500_gpio_keys[0].gpio = GPIO_PROX_SENSOR;
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u8500_init_devices();
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mop500_pins_init();
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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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i2c0_devs = ARRAY_SIZE(mop500_i2c0_devices);
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if (machine_is_hrefv60())
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i2c0_devs -= NUM_PRE_V60_I2C0_DEVICES;
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i2c_register_board_info(0, mop500_i2c0_devices, i2c0_devs);
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i2c_register_board_info(2, mop500_i2c2_devices,
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ARRAY_SIZE(mop500_i2c2_devices));
|
|
}
|
|
|
|
MACHINE_START(U8500, "ST-Ericsson MOP500 platform")
|
|
/* Maintainer: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> */
|
|
.boot_params = 0x100,
|
|
.map_io = u8500_map_io,
|
|
.init_irq = ux500_init_irq,
|
|
/* we re-use nomadik timer here */
|
|
.timer = &ux500_timer,
|
|
.init_machine = mop500_init_machine,
|
|
MACHINE_END
|
|
|
|
MACHINE_START(HREFV60, "ST-Ericsson U8500 Platform HREFv60+")
|
|
.boot_params = 0x100,
|
|
.map_io = u8500_map_io,
|
|
.init_irq = ux500_init_irq,
|
|
.timer = &ux500_timer,
|
|
.init_machine = mop500_init_machine,
|
|
MACHINE_END
|