534 lines
14 KiB
C
534 lines
14 KiB
C
/*
|
|
* Copyright (C) 2008-2009 ST-Ericsson
|
|
*
|
|
* Author: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2, as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
*/
|
|
#include <linux/kernel.h>
|
|
#include <linux/init.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/io.h>
|
|
#include <linux/i2c.h>
|
|
#include <linux/gpio.h>
|
|
#include <linux/amba/bus.h>
|
|
#include <linux/amba/pl022.h>
|
|
#include <linux/amba/serial.h>
|
|
#include <linux/spi/spi.h>
|
|
#include <linux/mfd/ab8500.h>
|
|
#include <linux/regulator/ab8500.h>
|
|
#include <linux/mfd/tc3589x.h>
|
|
#include <linux/mfd/tps6105x.h>
|
|
#include <linux/mfd/ab8500/gpio.h>
|
|
#include <linux/leds-lp5521.h>
|
|
#include <linux/input.h>
|
|
#include <linux/gpio_keys.h>
|
|
#include <linux/delay.h>
|
|
|
|
#include <asm/mach-types.h>
|
|
#include <asm/mach/arch.h>
|
|
|
|
#include <plat/i2c.h>
|
|
#include <plat/ste_dma40.h>
|
|
#include <plat/pincfg.h>
|
|
|
|
#include <mach/hardware.h>
|
|
#include <mach/setup.h>
|
|
#include <mach/devices.h>
|
|
#include <mach/irqs.h>
|
|
|
|
#include "pins-db8500.h"
|
|
#include "ste-dma40-db8500.h"
|
|
#include "devices-db8500.h"
|
|
#include "board-mop500.h"
|
|
#include "board-mop500-regulators.h"
|
|
|
|
static struct ab8500_gpio_platform_data ab8500_gpio_pdata = {
|
|
.gpio_base = MOP500_AB8500_GPIO(0),
|
|
.irq_base = MOP500_AB8500_VIR_GPIO_IRQ_BASE,
|
|
/* config_reg is the initial configuration of ab8500 pins.
|
|
* The pins can be configured as GPIO or alt functions based
|
|
* on value present in GpioSel1 to GpioSel6 and AlternatFunction
|
|
* register. This is the array of 7 configuration settings.
|
|
* One has to compile time decide these settings. Below is the
|
|
* explanation of these setting
|
|
* GpioSel1 = 0x00 => Pins GPIO1 to GPIO8 are not used as GPIO
|
|
* GpioSel2 = 0x1E => Pins GPIO10 to GPIO13 are configured as GPIO
|
|
* GpioSel3 = 0x80 => Pin GPIO24 is configured as GPIO
|
|
* GpioSel4 = 0x01 => Pin GPIo25 is configured as GPIO
|
|
* GpioSel5 = 0x7A => Pins GPIO34, GPIO36 to GPIO39 are conf as GPIO
|
|
* GpioSel6 = 0x00 => Pins GPIO41 & GPIo42 are not configured as GPIO
|
|
* AlternaFunction = 0x00 => If Pins GPIO10 to 13 are not configured
|
|
* as GPIO then this register selectes the alternate fucntions
|
|
*/
|
|
.config_reg = {0x00, 0x1E, 0x80, 0x01,
|
|
0x7A, 0x00, 0x00},
|
|
};
|
|
|
|
static struct ab8500_platform_data ab8500_platdata = {
|
|
.irq_base = MOP500_AB8500_IRQ_BASE,
|
|
.regulator_reg_init = ab8500_regulator_reg_init,
|
|
.num_regulator_reg_init = ARRAY_SIZE(ab8500_regulator_reg_init),
|
|
.regulator = ab8500_regulators,
|
|
.num_regulator = ARRAY_SIZE(ab8500_regulators),
|
|
.gpio = &ab8500_gpio_pdata,
|
|
};
|
|
|
|
static struct resource ab8500_resources[] = {
|
|
[0] = {
|
|
.start = IRQ_DB8500_AB8500,
|
|
.end = IRQ_DB8500_AB8500,
|
|
.flags = IORESOURCE_IRQ
|
|
}
|
|
};
|
|
|
|
struct platform_device ab8500_device = {
|
|
.name = "ab8500-i2c",
|
|
.id = 0,
|
|
.dev = {
|
|
.platform_data = &ab8500_platdata,
|
|
},
|
|
.num_resources = 1,
|
|
.resource = ab8500_resources,
|
|
};
|
|
|
|
/*
|
|
* TPS61052
|
|
*/
|
|
|
|
static struct tps6105x_platform_data mop500_tps61052_data = {
|
|
.mode = TPS6105X_MODE_VOLTAGE,
|
|
.regulator_data = &tps61052_regulator,
|
|
};
|
|
|
|
/*
|
|
* TC35892
|
|
*/
|
|
|
|
static void mop500_tc35892_init(struct tc3589x *tc3589x, unsigned int base)
|
|
{
|
|
mop500_sdi_tc35892_init();
|
|
}
|
|
|
|
static struct tc3589x_gpio_platform_data mop500_tc35892_gpio_data = {
|
|
.gpio_base = MOP500_EGPIO(0),
|
|
.setup = mop500_tc35892_init,
|
|
};
|
|
|
|
static struct tc3589x_platform_data mop500_tc35892_data = {
|
|
.block = TC3589x_BLOCK_GPIO,
|
|
.gpio = &mop500_tc35892_gpio_data,
|
|
.irq_base = MOP500_EGPIO_IRQ_BASE,
|
|
};
|
|
|
|
static struct lp5521_led_config lp5521_pri_led[] = {
|
|
[0] = {
|
|
.chan_nr = 0,
|
|
.led_current = 0x2f,
|
|
.max_current = 0x5f,
|
|
},
|
|
[1] = {
|
|
.chan_nr = 1,
|
|
.led_current = 0x2f,
|
|
.max_current = 0x5f,
|
|
},
|
|
[2] = {
|
|
.chan_nr = 2,
|
|
.led_current = 0x2f,
|
|
.max_current = 0x5f,
|
|
},
|
|
};
|
|
|
|
static struct lp5521_platform_data __initdata lp5521_pri_data = {
|
|
.label = "lp5521_pri",
|
|
.led_config = &lp5521_pri_led[0],
|
|
.num_channels = 3,
|
|
.clock_mode = LP5521_CLOCK_EXT,
|
|
};
|
|
|
|
static struct lp5521_led_config lp5521_sec_led[] = {
|
|
[0] = {
|
|
.chan_nr = 0,
|
|
.led_current = 0x2f,
|
|
.max_current = 0x5f,
|
|
},
|
|
[1] = {
|
|
.chan_nr = 1,
|
|
.led_current = 0x2f,
|
|
.max_current = 0x5f,
|
|
},
|
|
[2] = {
|
|
.chan_nr = 2,
|
|
.led_current = 0x2f,
|
|
.max_current = 0x5f,
|
|
},
|
|
};
|
|
|
|
static struct lp5521_platform_data __initdata lp5521_sec_data = {
|
|
.label = "lp5521_sec",
|
|
.led_config = &lp5521_sec_led[0],
|
|
.num_channels = 3,
|
|
.clock_mode = LP5521_CLOCK_EXT,
|
|
};
|
|
|
|
static struct i2c_board_info __initdata mop500_i2c0_devices[] = {
|
|
{
|
|
I2C_BOARD_INFO("tc3589x", 0x42),
|
|
.irq = NOMADIK_GPIO_TO_IRQ(217),
|
|
.platform_data = &mop500_tc35892_data,
|
|
},
|
|
/* I2C0 devices only available prior to HREFv60 */
|
|
{
|
|
I2C_BOARD_INFO("tps61052", 0x33),
|
|
.platform_data = &mop500_tps61052_data,
|
|
},
|
|
};
|
|
|
|
#define NUM_PRE_V60_I2C0_DEVICES 1
|
|
|
|
static struct i2c_board_info __initdata mop500_i2c2_devices[] = {
|
|
{
|
|
/* lp5521 LED driver, 1st device */
|
|
I2C_BOARD_INFO("lp5521", 0x33),
|
|
.platform_data = &lp5521_pri_data,
|
|
},
|
|
{
|
|
/* lp5521 LED driver, 2st device */
|
|
I2C_BOARD_INFO("lp5521", 0x34),
|
|
.platform_data = &lp5521_sec_data,
|
|
},
|
|
{
|
|
/* Light sensor Rohm BH1780GLI */
|
|
I2C_BOARD_INFO("bh1780", 0x29),
|
|
},
|
|
};
|
|
|
|
#define U8500_I2C_CONTROLLER(id, _slsu, _tft, _rft, clk, t_out, _sm) \
|
|
static struct nmk_i2c_controller u8500_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, \
|
|
/* Slave response timeout(ms) */\
|
|
.timeout = t_out, \
|
|
.sm = _sm, \
|
|
}
|
|
|
|
/*
|
|
* The board uses 4 i2c controllers, initialize all of
|
|
* them with slave data setup time of 250 ns,
|
|
* Tx & Rx FIFO threshold values as 8 and standard
|
|
* mode of operation
|
|
*/
|
|
U8500_I2C_CONTROLLER(0, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST);
|
|
U8500_I2C_CONTROLLER(1, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST);
|
|
U8500_I2C_CONTROLLER(2, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST);
|
|
U8500_I2C_CONTROLLER(3, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST);
|
|
|
|
static void __init mop500_i2c_init(void)
|
|
{
|
|
db8500_add_i2c0(&u8500_i2c0_data);
|
|
db8500_add_i2c1(&u8500_i2c1_data);
|
|
db8500_add_i2c2(&u8500_i2c2_data);
|
|
db8500_add_i2c3(&u8500_i2c3_data);
|
|
}
|
|
|
|
static struct gpio_keys_button mop500_gpio_keys[] = {
|
|
{
|
|
.desc = "SFH7741 Proximity Sensor",
|
|
.type = EV_SW,
|
|
.code = SW_FRONT_PROXIMITY,
|
|
.active_low = 0,
|
|
.can_disable = 1,
|
|
}
|
|
};
|
|
|
|
static struct regulator *prox_regulator;
|
|
static int mop500_prox_activate(struct device *dev);
|
|
static void mop500_prox_deactivate(struct device *dev);
|
|
|
|
static struct gpio_keys_platform_data mop500_gpio_keys_data = {
|
|
.buttons = mop500_gpio_keys,
|
|
.nbuttons = ARRAY_SIZE(mop500_gpio_keys),
|
|
.enable = mop500_prox_activate,
|
|
.disable = mop500_prox_deactivate,
|
|
};
|
|
|
|
static struct platform_device mop500_gpio_keys_device = {
|
|
.name = "gpio-keys",
|
|
.id = 0,
|
|
.dev = {
|
|
.platform_data = &mop500_gpio_keys_data,
|
|
},
|
|
};
|
|
|
|
static int mop500_prox_activate(struct device *dev)
|
|
{
|
|
prox_regulator = regulator_get(&mop500_gpio_keys_device.dev,
|
|
"vcc");
|
|
if (IS_ERR(prox_regulator)) {
|
|
dev_err(&mop500_gpio_keys_device.dev,
|
|
"no regulator\n");
|
|
return PTR_ERR(prox_regulator);
|
|
}
|
|
regulator_enable(prox_regulator);
|
|
return 0;
|
|
}
|
|
|
|
static void mop500_prox_deactivate(struct device *dev)
|
|
{
|
|
regulator_disable(prox_regulator);
|
|
regulator_put(prox_regulator);
|
|
}
|
|
|
|
/* add any platform devices here - TODO */
|
|
static struct platform_device *platform_devs[] __initdata = {
|
|
&mop500_gpio_keys_device,
|
|
};
|
|
|
|
#ifdef CONFIG_STE_DMA40
|
|
static struct stedma40_chan_cfg ssp0_dma_cfg_rx = {
|
|
.mode = STEDMA40_MODE_LOGICAL,
|
|
.dir = STEDMA40_PERIPH_TO_MEM,
|
|
.src_dev_type = DB8500_DMA_DEV8_SSP0_RX,
|
|
.dst_dev_type = STEDMA40_DEV_DST_MEMORY,
|
|
.src_info.data_width = STEDMA40_BYTE_WIDTH,
|
|
.dst_info.data_width = STEDMA40_BYTE_WIDTH,
|
|
};
|
|
|
|
static struct stedma40_chan_cfg ssp0_dma_cfg_tx = {
|
|
.mode = STEDMA40_MODE_LOGICAL,
|
|
.dir = STEDMA40_MEM_TO_PERIPH,
|
|
.src_dev_type = STEDMA40_DEV_SRC_MEMORY,
|
|
.dst_dev_type = DB8500_DMA_DEV8_SSP0_TX,
|
|
.src_info.data_width = STEDMA40_BYTE_WIDTH,
|
|
.dst_info.data_width = STEDMA40_BYTE_WIDTH,
|
|
};
|
|
#endif
|
|
|
|
static struct pl022_ssp_controller ssp0_platform_data = {
|
|
.bus_id = 0,
|
|
#ifdef CONFIG_STE_DMA40
|
|
.enable_dma = 1,
|
|
.dma_filter = stedma40_filter,
|
|
.dma_rx_param = &ssp0_dma_cfg_rx,
|
|
.dma_tx_param = &ssp0_dma_cfg_tx,
|
|
#else
|
|
.enable_dma = 0,
|
|
#endif
|
|
/* on this platform, gpio 31,142,144,214 &
|
|
* 224 are connected as chip selects
|
|
*/
|
|
.num_chipselect = 5,
|
|
};
|
|
|
|
static void __init mop500_spi_init(void)
|
|
{
|
|
db8500_add_ssp0(&ssp0_platform_data);
|
|
}
|
|
|
|
#ifdef CONFIG_STE_DMA40
|
|
static struct stedma40_chan_cfg uart0_dma_cfg_rx = {
|
|
.mode = STEDMA40_MODE_LOGICAL,
|
|
.dir = STEDMA40_PERIPH_TO_MEM,
|
|
.src_dev_type = DB8500_DMA_DEV13_UART0_RX,
|
|
.dst_dev_type = STEDMA40_DEV_DST_MEMORY,
|
|
.src_info.data_width = STEDMA40_BYTE_WIDTH,
|
|
.dst_info.data_width = STEDMA40_BYTE_WIDTH,
|
|
};
|
|
|
|
static struct stedma40_chan_cfg uart0_dma_cfg_tx = {
|
|
.mode = STEDMA40_MODE_LOGICAL,
|
|
.dir = STEDMA40_MEM_TO_PERIPH,
|
|
.src_dev_type = STEDMA40_DEV_SRC_MEMORY,
|
|
.dst_dev_type = DB8500_DMA_DEV13_UART0_TX,
|
|
.src_info.data_width = STEDMA40_BYTE_WIDTH,
|
|
.dst_info.data_width = STEDMA40_BYTE_WIDTH,
|
|
};
|
|
|
|
static struct stedma40_chan_cfg uart1_dma_cfg_rx = {
|
|
.mode = STEDMA40_MODE_LOGICAL,
|
|
.dir = STEDMA40_PERIPH_TO_MEM,
|
|
.src_dev_type = DB8500_DMA_DEV12_UART1_RX,
|
|
.dst_dev_type = STEDMA40_DEV_DST_MEMORY,
|
|
.src_info.data_width = STEDMA40_BYTE_WIDTH,
|
|
.dst_info.data_width = STEDMA40_BYTE_WIDTH,
|
|
};
|
|
|
|
static struct stedma40_chan_cfg uart1_dma_cfg_tx = {
|
|
.mode = STEDMA40_MODE_LOGICAL,
|
|
.dir = STEDMA40_MEM_TO_PERIPH,
|
|
.src_dev_type = STEDMA40_DEV_SRC_MEMORY,
|
|
.dst_dev_type = DB8500_DMA_DEV12_UART1_TX,
|
|
.src_info.data_width = STEDMA40_BYTE_WIDTH,
|
|
.dst_info.data_width = STEDMA40_BYTE_WIDTH,
|
|
};
|
|
|
|
static struct stedma40_chan_cfg uart2_dma_cfg_rx = {
|
|
.mode = STEDMA40_MODE_LOGICAL,
|
|
.dir = STEDMA40_PERIPH_TO_MEM,
|
|
.src_dev_type = DB8500_DMA_DEV11_UART2_RX,
|
|
.dst_dev_type = STEDMA40_DEV_DST_MEMORY,
|
|
.src_info.data_width = STEDMA40_BYTE_WIDTH,
|
|
.dst_info.data_width = STEDMA40_BYTE_WIDTH,
|
|
};
|
|
|
|
static struct stedma40_chan_cfg uart2_dma_cfg_tx = {
|
|
.mode = STEDMA40_MODE_LOGICAL,
|
|
.dir = STEDMA40_MEM_TO_PERIPH,
|
|
.src_dev_type = STEDMA40_DEV_SRC_MEMORY,
|
|
.dst_dev_type = DB8500_DMA_DEV11_UART2_TX,
|
|
.src_info.data_width = STEDMA40_BYTE_WIDTH,
|
|
.dst_info.data_width = STEDMA40_BYTE_WIDTH,
|
|
};
|
|
#endif
|
|
|
|
|
|
static pin_cfg_t mop500_pins_uart0[] = {
|
|
GPIO0_U0_CTSn | PIN_INPUT_PULLUP,
|
|
GPIO1_U0_RTSn | PIN_OUTPUT_HIGH,
|
|
GPIO2_U0_RXD | PIN_INPUT_PULLUP,
|
|
GPIO3_U0_TXD | PIN_OUTPUT_HIGH,
|
|
};
|
|
|
|
#define PRCC_K_SOFTRST_SET 0x18
|
|
#define PRCC_K_SOFTRST_CLEAR 0x1C
|
|
static void ux500_uart0_reset(void)
|
|
{
|
|
void __iomem *prcc_rst_set, *prcc_rst_clr;
|
|
|
|
prcc_rst_set = (void __iomem *)IO_ADDRESS(U8500_CLKRST1_BASE +
|
|
PRCC_K_SOFTRST_SET);
|
|
prcc_rst_clr = (void __iomem *)IO_ADDRESS(U8500_CLKRST1_BASE +
|
|
PRCC_K_SOFTRST_CLEAR);
|
|
|
|
/* Activate soft reset PRCC_K_SOFTRST_CLEAR */
|
|
writel((readl(prcc_rst_clr) | 0x1), prcc_rst_clr);
|
|
udelay(1);
|
|
|
|
/* Release soft reset PRCC_K_SOFTRST_SET */
|
|
writel((readl(prcc_rst_set) | 0x1), prcc_rst_set);
|
|
udelay(1);
|
|
}
|
|
|
|
static void ux500_uart0_init(void)
|
|
{
|
|
int ret;
|
|
|
|
ret = nmk_config_pins(mop500_pins_uart0,
|
|
ARRAY_SIZE(mop500_pins_uart0));
|
|
if (ret < 0)
|
|
pr_err("pl011: uart pins_enable failed\n");
|
|
}
|
|
|
|
static void ux500_uart0_exit(void)
|
|
{
|
|
int ret;
|
|
|
|
ret = nmk_config_pins_sleep(mop500_pins_uart0,
|
|
ARRAY_SIZE(mop500_pins_uart0));
|
|
if (ret < 0)
|
|
pr_err("pl011: uart pins_disable failed\n");
|
|
}
|
|
|
|
static struct amba_pl011_data uart0_plat = {
|
|
#ifdef CONFIG_STE_DMA40
|
|
.dma_filter = stedma40_filter,
|
|
.dma_rx_param = &uart0_dma_cfg_rx,
|
|
.dma_tx_param = &uart0_dma_cfg_tx,
|
|
#endif
|
|
.init = ux500_uart0_init,
|
|
.exit = ux500_uart0_exit,
|
|
.reset = ux500_uart0_reset,
|
|
};
|
|
|
|
static struct amba_pl011_data uart1_plat = {
|
|
#ifdef CONFIG_STE_DMA40
|
|
.dma_filter = stedma40_filter,
|
|
.dma_rx_param = &uart1_dma_cfg_rx,
|
|
.dma_tx_param = &uart1_dma_cfg_tx,
|
|
#endif
|
|
};
|
|
|
|
static struct amba_pl011_data uart2_plat = {
|
|
#ifdef CONFIG_STE_DMA40
|
|
.dma_filter = stedma40_filter,
|
|
.dma_rx_param = &uart2_dma_cfg_rx,
|
|
.dma_tx_param = &uart2_dma_cfg_tx,
|
|
#endif
|
|
};
|
|
|
|
static void __init mop500_uart_init(void)
|
|
{
|
|
db8500_add_uart0(&uart0_plat);
|
|
db8500_add_uart1(&uart1_plat);
|
|
db8500_add_uart2(&uart2_plat);
|
|
}
|
|
|
|
static void __init mop500_init_machine(void)
|
|
{
|
|
int i2c0_devs;
|
|
|
|
/*
|
|
* The HREFv60 board removed a GPIO expander and routed
|
|
* all these GPIO pins to the internal GPIO controller
|
|
* instead.
|
|
*/
|
|
if (machine_is_hrefv60())
|
|
mop500_gpio_keys[0].gpio = HREFV60_PROX_SENSE_GPIO;
|
|
else
|
|
mop500_gpio_keys[0].gpio = GPIO_PROX_SENSOR;
|
|
|
|
u8500_init_devices();
|
|
|
|
mop500_pins_init();
|
|
|
|
platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs));
|
|
|
|
mop500_i2c_init();
|
|
mop500_sdi_init();
|
|
mop500_spi_init();
|
|
mop500_uart_init();
|
|
|
|
platform_device_register(&ab8500_device);
|
|
|
|
i2c0_devs = ARRAY_SIZE(mop500_i2c0_devices);
|
|
if (machine_is_hrefv60())
|
|
i2c0_devs -= NUM_PRE_V60_I2C0_DEVICES;
|
|
|
|
i2c_register_board_info(0, mop500_i2c0_devices, i2c0_devs);
|
|
i2c_register_board_info(2, mop500_i2c2_devices,
|
|
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
|