diff options
Diffstat (limited to 'arch/arm/mach-mx2/pcm038.c')
| -rw-r--r-- | arch/arm/mach-mx2/pcm038.c | 82 |
1 files changed, 68 insertions, 14 deletions
diff --git a/arch/arm/mach-mx2/pcm038.c b/arch/arm/mach-mx2/pcm038.c index dfd4156da7d..aa4eaa61d1b 100644 --- a/arch/arm/mach-mx2/pcm038.c +++ b/arch/arm/mach-mx2/pcm038.c @@ -20,11 +20,18 @@ #include <linux/platform_device.h> #include <linux/mtd/physmap.h> #include <linux/mtd/plat-ram.h> +#include <linux/io.h> +#include <linux/i2c.h> +#include <linux/i2c/at24.h> + #include <asm/mach/arch.h> #include <asm/mach-types.h> #include <mach/common.h> #include <mach/hardware.h> -#include <mach/iomux-mx1-mx2.h> +#include <mach/iomux.h> +#ifdef CONFIG_I2C_IMX +#include <mach/i2c.h> +#endif #include <asm/mach/time.h> #include <mach/imx-uart.h> #include <mach/board-pcm038.h> @@ -121,10 +128,10 @@ static int uart_mxc_port1_exit(struct platform_device *pdev) return 0; } -static int mxc_uart2_pins[] = { PE10_PF_UART3_CTS, +static int mxc_uart2_pins[] = { PE8_PF_UART3_TXD, PE9_PF_UART3_RXD, PE10_PF_UART3_CTS, - PE9_PF_UART3_RXD }; + PE11_PF_UART3_RTS }; static int uart_mxc_port2_init(struct platform_device *pdev) { @@ -170,7 +177,7 @@ static int mxc_fec_pins[] = { PD11_AOUT_FEC_TX_CLK, PD12_AOUT_FEC_RXD0, PD13_AOUT_FEC_RX_DV, - PD14_AOUT_FEC_CLR, + PD14_AOUT_FEC_RX_CLK, PD15_AOUT_FEC_COL, PD16_AIN_FEC_TX_ER, PF23_AIN_FEC_TX_EN @@ -182,12 +189,6 @@ static void gpio_fec_active(void) ARRAY_SIZE(mxc_fec_pins), "FEC"); } -static void gpio_fec_inactive(void) -{ - mxc_gpio_release_multiple_pins(mxc_fec_pins, - ARRAY_SIZE(mxc_fec_pins)); -} - static struct mxc_nand_platform_data pcm038_nand_board_info = { .width = 1, .hw_ecc = 1, @@ -196,6 +197,7 @@ static struct mxc_nand_platform_data pcm038_nand_board_info = { static struct platform_device *platform_devices[] __initdata = { &pcm038_nor_mtd_device, &mxc_w1_master_device, + &mxc_fec_device, &pcm038_sram_mtd_device, }; @@ -208,6 +210,51 @@ static void __init pcm038_init_sram(void) __raw_writel(0x22220a00, CSCR_A(1)); } +#ifdef CONFIG_I2C_IMX +static int mxc_i2c1_pins[] = { + PC5_PF_I2C2_SDA, + PC6_PF_I2C2_SCL +}; + +static int pcm038_i2c_1_init(struct device *dev) +{ + return mxc_gpio_setup_multiple_pins(mxc_i2c1_pins, ARRAY_SIZE(mxc_i2c1_pins), + "I2C1"); +} + +static void pcm038_i2c_1_exit(struct device *dev) +{ + mxc_gpio_release_multiple_pins(mxc_i2c1_pins, ARRAY_SIZE(mxc_i2c1_pins)); +} + +static struct imxi2c_platform_data pcm038_i2c_1_data = { + .bitrate = 100000, + .init = pcm038_i2c_1_init, + .exit = pcm038_i2c_1_exit, +}; + +static struct at24_platform_data board_eeprom = { + .byte_len = 4096, + .page_size = 32, + .flags = AT24_FLAG_ADDR16, +}; + +static struct i2c_board_info pcm038_i2c_devices[] = { + [0] = { + I2C_BOARD_INFO("at24", 0x52), /* E0=0, E1=1, E2=0 */ + .platform_data = &board_eeprom, + }, + [1] = { + I2C_BOARD_INFO("rtc-pcf8563", 0x51), + .type = "pcf8563" + }, + [2] = { + I2C_BOARD_INFO("lm75", 0x4a), + .type = "lm75" + } +}; +#endif + static void __init pcm038_init(void) { gpio_fec_active(); @@ -217,9 +264,17 @@ static void __init pcm038_init(void) mxc_register_device(&mxc_uart_device1, &uart_pdata[1]); mxc_register_device(&mxc_uart_device2, &uart_pdata[2]); - mxc_gpio_mode(PE16_AF_RTCK); /* OWIRE */ + mxc_gpio_mode(PE16_AF_OWIRE); mxc_register_device(&mxc_nand_device, &pcm038_nand_board_info); +#ifdef CONFIG_I2C_IMX + /* only the i2c master 1 is used on this CPU card */ + i2c_register_board_info(1, pcm038_i2c_devices, + ARRAY_SIZE(pcm038_i2c_devices)); + + mxc_register_device(&mxc_i2c_device1, &pcm038_i2c_1_data); +#endif + platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); #ifdef CONFIG_MACH_PCM970_BASEBOARD @@ -229,11 +284,10 @@ static void __init pcm038_init(void) static void __init pcm038_timer_init(void) { - mxc_clocks_init(26000000); - mxc_timer_init("gpt_clk.0"); + mx27_clocks_init(26000000); } -struct sys_timer pcm038_timer = { +static struct sys_timer pcm038_timer = { .init = pcm038_timer_init, }; |