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A22:update gpio i2c support from phonesdk

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root
2011-06-09 09:12:35 +08:00
parent a819512504
commit 54e4e740f1
1 changed files with 67 additions and 7 deletions
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74
arch/arm/mach-rk29/board-rk29-a22.c Executable file → Normal file
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@@ -58,6 +58,7 @@
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/leds.h>
#include <linux/i2c-gpio.h>
#include "devices.h"
@@ -1531,31 +1532,51 @@ static struct mpu3050_platform_data mpu3050_data = {
*****************************************************************************************/
static int rk29_i2c0_io_init(void)
{
#ifdef CONFIG_RK29_I2C0_CONTROLLER
rk29_mux_api_set(GPIO2B7_I2C0SCL_NAME, GPIO2L_I2C0_SCL);
rk29_mux_api_set(GPIO2B6_I2C0SDA_NAME, GPIO2L_I2C0_SDA);
#else
rk29_mux_api_set(GPIO2B7_I2C0SCL_NAME, GPIO2L_GPIO2B7);
rk29_mux_api_set(GPIO2B6_I2C0SDA_NAME, GPIO2L_GPIO2B6);
#endif
return 0;
}
static int rk29_i2c1_io_init(void)
{
#ifdef CONFIG_RK29_I2C1_CONTROLLER
rk29_mux_api_set(GPIO1A7_I2C1SCL_NAME, GPIO1L_I2C1_SCL);
rk29_mux_api_set(GPIO1A6_I2C1SDA_NAME, GPIO1L_I2C1_SDA);
#else
rk29_mux_api_set(GPIO1A7_I2C1SCL_NAME, GPIO1L_GPIO1A7);
rk29_mux_api_set(GPIO1A6_I2C1SDA_NAME, GPIO1L_GPIO1A6);
#endif
return 0;
}
static int rk29_i2c2_io_init(void)
{
#ifdef CONFIG_RK29_I2C2_CONTROLLER
rk29_mux_api_set(GPIO5D4_I2C2SCL_NAME, GPIO5H_I2C2_SCL);
rk29_mux_api_set(GPIO5D3_I2C2SDA_NAME, GPIO5H_I2C2_SDA);
#else
rk29_mux_api_set(GPIO5D4_I2C2SCL_NAME, GPIO5H_GPIO5D4);
rk29_mux_api_set(GPIO5D3_I2C2SDA_NAME, GPIO5H_GPIO5D3);
#endif
return 0;
}
static int rk29_i2c3_io_init(void)
{
#ifdef CONFIG_RK29_I2C3_CONTROLLER
rk29_mux_api_set(GPIO2B5_UART3RTSN_I2C3SCL_NAME, GPIO2L_I2C3_SCL);
rk29_mux_api_set(GPIO2B4_UART3CTSN_I2C3SDA_NAME, GPIO2L_I2C3_SDA);
#else
rk29_mux_api_set(GPIO2B5_UART3RTSN_I2C3SCL_NAME, GPIO2L_GPIO2B5);
rk29_mux_api_set(GPIO2B4_UART3CTSN_I2C3SDA_NAME, GPIO2L_GPIO2B4);
#endif
return 0;
}
#ifdef CONFIG_RK29_I2C0_CONTROLLER
struct rk29_i2c_platform_data default_i2c0_data = {
.bus_num = 0,
.flags = 0,
@@ -1564,16 +1585,36 @@ struct rk29_i2c_platform_data default_i2c0_data = {
.mode = I2C_MODE_IRQ,
.io_init = rk29_i2c0_io_init,
};
#else
struct i2c_gpio_platform_data default_i2c0_data = {
.sda_pin = RK29_PIN2_PB6,
.scl_pin = RK29_PIN2_PB7,
.udelay = 5, // clk = 500/udelay = 100Khz
.timeout = 100,//msecs_to_jiffies(200),
.bus_num = 0,
.io_init = rk29_i2c0_io_init,
};
#endif
#ifdef CONFIG_RK29_I2C1_CONTROLLER
struct rk29_i2c_platform_data default_i2c1_data = {
.bus_num = 1,
.flags = 0,
.slave_addr = 0xff,
.scl_rate = 400*1000,
.mode = I2C_MODE_POLL,
.mode = I2C_MODE_IRQ,
.io_init = rk29_i2c1_io_init,
};
#else
struct i2c_gpio_platform_data default_i2c1_data = {
.sda_pin = RK29_PIN1_PA6,
.scl_pin = RK29_PIN1_PA7,
.udelay = 5, // clk = 500/udelay = 100Khz
.timeout = 100,//msecs_to_jiffies(200),
.bus_num = 1,
.io_init = rk29_i2c1_io_init,
};
#endif
#ifdef CONFIG_RK29_I2C2_CONTROLLER
struct rk29_i2c_platform_data default_i2c2_data = {
.bus_num = 2,
.flags = 0,
@@ -1582,16 +1623,35 @@ struct rk29_i2c_platform_data default_i2c2_data = {
.mode = I2C_MODE_IRQ,
.io_init = rk29_i2c2_io_init,
};
#else
struct i2c_gpio_platform_data default_i2c2_data = {
.sda_pin = RK29_PIN5_PD3,
.scl_pin = RK29_PIN5_PD4,
.udelay = 5, // clk = 500/udelay = 100Khz
.timeout = 100,//msecs_to_jiffies(200),
.bus_num = 2,
.io_init = rk29_i2c2_io_init,
};
#endif
#ifdef CONFIG_RK29_I2C3_CONTROLLER
struct rk29_i2c_platform_data default_i2c3_data = {
.bus_num = 3,
.flags = 0,
.slave_addr = 0xff,
.scl_rate = 400*1000,
.mode = I2C_MODE_POLL,
.mode = I2C_MODE_IRQ,
.io_init = rk29_i2c3_io_init,
};
#else
struct i2c_gpio_platform_data default_i2c3_data = {
.sda_pin = RK29_PIN5_PB5,
.scl_pin = RK29_PIN5_PB4,
.udelay = 5, // clk = 500/udelay = 100Khz
.timeout = 100,//msecs_to_jiffies(200),
.bus_num = 3,
.io_init = rk29_i2c3_io_init,
};
#endif
#ifdef CONFIG_I2C0_RK29
static struct i2c_board_info __initdata board_i2c0_devices[] = {
#if defined (CONFIG_RK1000_CONTROL)