diff options
Diffstat (limited to 'arch/arm/mach-mx2/mx27ads.c')
| -rw-r--r-- | arch/arm/mach-mx2/mx27ads.c | 315 |
1 files changed, 179 insertions, 136 deletions
diff --git a/arch/arm/mach-mx2/mx27ads.c b/arch/arm/mach-mx2/mx27ads.c index 4a3b097adc1..02daddac699 100644 --- a/arch/arm/mach-mx2/mx27ads.c +++ b/arch/arm/mach-mx2/mx27ads.c @@ -23,6 +23,8 @@ #include <linux/mtd/map.h> #include <linux/mtd/partitions.h> #include <linux/mtd/physmap.h> +#include <linux/i2c.h> +#include <linux/irq.h> #include <mach/common.h> #include <mach/hardware.h> #include <asm/mach-types.h> @@ -33,9 +35,117 @@ #include <mach/imx-uart.h> #include <mach/iomux.h> #include <mach/board-mx27ads.h> +#include <mach/mxc_nand.h> +#include <mach/i2c.h> +#include <mach/imxfb.h> +#include <mach/mmc.h> #include "devices.h" +static unsigned int mx27ads_pins[] = { + /* UART0 */ + PE12_PF_UART1_TXD, + PE13_PF_UART1_RXD, + PE14_PF_UART1_CTS, + PE15_PF_UART1_RTS, + /* UART1 */ + PE3_PF_UART2_CTS, + PE4_PF_UART2_RTS, + PE6_PF_UART2_TXD, + PE7_PF_UART2_RXD, + /* UART2 */ + PE8_PF_UART3_TXD, + PE9_PF_UART3_RXD, + PE10_PF_UART3_CTS, + PE11_PF_UART3_RTS, + /* UART3 */ + PB26_AF_UART4_RTS, + PB28_AF_UART4_TXD, + PB29_AF_UART4_CTS, + PB31_AF_UART4_RXD, + /* UART4 */ + PB18_AF_UART5_TXD, + PB19_AF_UART5_RXD, + PB20_AF_UART5_CTS, + PB21_AF_UART5_RTS, + /* UART5 */ + PB10_AF_UART6_TXD, + PB12_AF_UART6_CTS, + PB11_AF_UART6_RXD, + PB13_AF_UART6_RTS, + /* FEC */ + PD0_AIN_FEC_TXD0, + PD1_AIN_FEC_TXD1, + PD2_AIN_FEC_TXD2, + PD3_AIN_FEC_TXD3, + PD4_AOUT_FEC_RX_ER, + PD5_AOUT_FEC_RXD1, + PD6_AOUT_FEC_RXD2, + PD7_AOUT_FEC_RXD3, + PD8_AF_FEC_MDIO, + PD9_AIN_FEC_MDC, + PD10_AOUT_FEC_CRS, + PD11_AOUT_FEC_TX_CLK, + PD12_AOUT_FEC_RXD0, + PD13_AOUT_FEC_RX_DV, + PD14_AOUT_FEC_RX_CLK, + PD15_AOUT_FEC_COL, + PD16_AIN_FEC_TX_ER, + PF23_AIN_FEC_TX_EN, + /* I2C2 */ + PC5_PF_I2C2_SDA, + PC6_PF_I2C2_SCL, + /* FB */ + PA5_PF_LSCLK, + PA6_PF_LD0, + PA7_PF_LD1, + PA8_PF_LD2, + PA9_PF_LD3, + PA10_PF_LD4, + PA11_PF_LD5, + PA12_PF_LD6, + PA13_PF_LD7, + PA14_PF_LD8, + PA15_PF_LD9, + PA16_PF_LD10, + PA17_PF_LD11, + PA18_PF_LD12, + PA19_PF_LD13, + PA20_PF_LD14, + PA21_PF_LD15, + PA22_PF_LD16, + PA23_PF_LD17, + PA24_PF_REV, + PA25_PF_CLS, + PA26_PF_PS, + PA27_PF_SPL_SPR, + PA28_PF_HSYNC, + PA29_PF_VSYNC, + PA30_PF_CONTRAST, + PA31_PF_OE_ACD, + /* OWIRE */ + PE16_AF_OWIRE, + /* SDHC1*/ + PE18_PF_SD1_D0, + PE19_PF_SD1_D1, + PE20_PF_SD1_D2, + PE21_PF_SD1_D3, + PE22_PF_SD1_CMD, + PE23_PF_SD1_CLK, + /* SDHC2*/ + PB4_PF_SD2_D0, + PB5_PF_SD2_D1, + PB6_PF_SD2_D2, + PB7_PF_SD2_D3, + PB8_PF_SD2_CMD, + PB9_PF_SD2_CLK, +}; + +static struct mxc_nand_platform_data mx27ads_nand_board_info = { + .width = 1, + .hw_ecc = 1, +}; + /* ADS's NOR flash */ static struct physmap_flash_data mx27ads_flash_data = { .width = 2, @@ -58,189 +168,113 @@ static struct platform_device mx27ads_nor_mtd_device = { .resource = &mx27ads_flash_resource, }; -static int mxc_uart0_pins[] = { - PE12_PF_UART1_TXD, - PE13_PF_UART1_RXD, - PE14_PF_UART1_CTS, - PE15_PF_UART1_RTS +static struct imxi2c_platform_data mx27ads_i2c_data = { + .bitrate = 100000, }; -static int uart_mxc_port0_init(struct platform_device *pdev) -{ - return mxc_gpio_setup_multiple_pins(mxc_uart0_pins, - ARRAY_SIZE(mxc_uart0_pins), "UART0"); -} - -static int uart_mxc_port0_exit(struct platform_device *pdev) -{ - mxc_gpio_release_multiple_pins(mxc_uart0_pins, - ARRAY_SIZE(mxc_uart0_pins)); - return 0; -} - -static int mxc_uart1_pins[] = { - PE3_PF_UART2_CTS, - PE4_PF_UART2_RTS, - PE6_PF_UART2_TXD, - PE7_PF_UART2_RXD +static struct i2c_board_info mx27ads_i2c_devices[] = { }; -static int uart_mxc_port1_init(struct platform_device *pdev) +void lcd_power(int on) { - return mxc_gpio_setup_multiple_pins(mxc_uart1_pins, - ARRAY_SIZE(mxc_uart1_pins), "UART1"); + if (on) + __raw_writew(PBC_BCTRL1_LCDON, PBC_BCTRL1_SET_REG); + else + __raw_writew(PBC_BCTRL1_LCDON, PBC_BCTRL1_CLEAR_REG); } -static int uart_mxc_port1_exit(struct platform_device *pdev) -{ - mxc_gpio_release_multiple_pins(mxc_uart1_pins, - ARRAY_SIZE(mxc_uart1_pins)); - return 0; -} - -static int mxc_uart2_pins[] = { - PE8_PF_UART3_TXD, - PE9_PF_UART3_RXD, - PE10_PF_UART3_CTS, - PE11_PF_UART3_RTS +static struct imx_fb_platform_data mx27ads_fb_data = { + .pixclock = 188679, + .xres = 240, + .yres = 320, + + .bpp = 16, + .hsync_len = 1, + .left_margin = 9, + .right_margin = 16, + + .vsync_len = 1, + .upper_margin = 7, + .lower_margin = 9, + .fixed_screen_cpu = 0, + + /* + * - HSYNC active high + * - VSYNC active high + * - clk notenabled while idle + * - clock inverted + * - data not inverted + * - data enable low active + * - enable sharp mode + */ + .pcr = 0xFB008BC0, + .pwmr = 0x00A903FF, + .lscr1 = 0x00120300, + .dmacr = 0x00020010, + + .lcd_power = lcd_power, }; -static int uart_mxc_port2_init(struct platform_device *pdev) +static int mx27ads_sdhc1_init(struct device *dev, irq_handler_t detect_irq, + void *data) { - return mxc_gpio_setup_multiple_pins(mxc_uart2_pins, - ARRAY_SIZE(mxc_uart2_pins), "UART2"); + return request_irq(IRQ_GPIOE(21), detect_irq, IRQF_TRIGGER_RISING, + "sdhc1-card-detect", data); } -static int uart_mxc_port2_exit(struct platform_device *pdev) +static int mx27ads_sdhc2_init(struct device *dev, irq_handler_t detect_irq, + void *data) { - mxc_gpio_release_multiple_pins(mxc_uart2_pins, - ARRAY_SIZE(mxc_uart2_pins)); - return 0; + return request_irq(IRQ_GPIOB(7), detect_irq, IRQF_TRIGGER_RISING, + "sdhc2-card-detect", data); } -static int mxc_uart3_pins[] = { - PB26_AF_UART4_RTS, - PB28_AF_UART4_TXD, - PB29_AF_UART4_CTS, - PB31_AF_UART4_RXD -}; - -static int uart_mxc_port3_init(struct platform_device *pdev) +static void mx27ads_sdhc1_exit(struct device *dev, void *data) { - return mxc_gpio_setup_multiple_pins(mxc_uart3_pins, - ARRAY_SIZE(mxc_uart3_pins), "UART3"); + free_irq(IRQ_GPIOE(21), data); } -static int uart_mxc_port3_exit(struct platform_device *pdev) +static void mx27ads_sdhc2_exit(struct device *dev, void *data) { - mxc_gpio_release_multiple_pins(mxc_uart3_pins, - ARRAY_SIZE(mxc_uart3_pins)); - return 0; + free_irq(IRQ_GPIOB(7), data); } -static int mxc_uart4_pins[] = { - PB18_AF_UART5_TXD, - PB19_AF_UART5_RXD, - PB20_AF_UART5_CTS, - PB21_AF_UART5_RTS +static struct imxmmc_platform_data sdhc1_pdata = { + .init = mx27ads_sdhc1_init, + .exit = mx27ads_sdhc1_exit, }; -static int uart_mxc_port4_init(struct platform_device *pdev) -{ - return mxc_gpio_setup_multiple_pins(mxc_uart4_pins, - ARRAY_SIZE(mxc_uart4_pins), "UART4"); -} - -static int uart_mxc_port4_exit(struct platform_device *pdev) -{ - mxc_gpio_release_multiple_pins(mxc_uart4_pins, - ARRAY_SIZE(mxc_uart4_pins)); - return 0; -} - -static int mxc_uart5_pins[] = { - PB10_AF_UART6_TXD, - PB12_AF_UART6_CTS, - PB11_AF_UART6_RXD, - PB13_AF_UART6_RTS +static struct imxmmc_platform_data sdhc2_pdata = { + .init = mx27ads_sdhc2_init, + .exit = mx27ads_sdhc2_exit, }; -static int uart_mxc_port5_init(struct platform_device *pdev) -{ - return mxc_gpio_setup_multiple_pins(mxc_uart5_pins, - ARRAY_SIZE(mxc_uart5_pins), "UART5"); -} - -static int uart_mxc_port5_exit(struct platform_device *pdev) -{ - mxc_gpio_release_multiple_pins(mxc_uart5_pins, - ARRAY_SIZE(mxc_uart5_pins)); - return 0; -} - static struct platform_device *platform_devices[] __initdata = { &mx27ads_nor_mtd_device, &mxc_fec_device, + &mxc_w1_master_device, }; -static int mxc_fec_pins[] = { - PD0_AIN_FEC_TXD0, - PD1_AIN_FEC_TXD1, - PD2_AIN_FEC_TXD2, - PD3_AIN_FEC_TXD3, - PD4_AOUT_FEC_RX_ER, - PD5_AOUT_FEC_RXD1, - PD6_AOUT_FEC_RXD2, - PD7_AOUT_FEC_RXD3, - PD8_AF_FEC_MDIO, - PD9_AIN_FEC_MDC, - PD10_AOUT_FEC_CRS, - PD11_AOUT_FEC_TX_CLK, - PD12_AOUT_FEC_RXD0, - PD13_AOUT_FEC_RX_DV, - PD14_AOUT_FEC_RX_CLK, - PD15_AOUT_FEC_COL, - PD16_AIN_FEC_TX_ER, - PF23_AIN_FEC_TX_EN -}; - -static void gpio_fec_active(void) -{ - mxc_gpio_setup_multiple_pins(mxc_fec_pins, - ARRAY_SIZE(mxc_fec_pins), "FEC"); -} - static struct imxuart_platform_data uart_pdata[] = { { - .init = uart_mxc_port0_init, - .exit = uart_mxc_port0_exit, .flags = IMXUART_HAVE_RTSCTS, }, { - .init = uart_mxc_port1_init, - .exit = uart_mxc_port1_exit, .flags = IMXUART_HAVE_RTSCTS, }, { - .init = uart_mxc_port2_init, - .exit = uart_mxc_port2_exit, .flags = IMXUART_HAVE_RTSCTS, }, { - .init = uart_mxc_port3_init, - .exit = uart_mxc_port3_exit, .flags = IMXUART_HAVE_RTSCTS, }, { - .init = uart_mxc_port4_init, - .exit = uart_mxc_port4_exit, .flags = IMXUART_HAVE_RTSCTS, }, { - .init = uart_mxc_port5_init, - .exit = uart_mxc_port5_exit, .flags = IMXUART_HAVE_RTSCTS, }, }; static void __init mx27ads_board_init(void) { - gpio_fec_active(); + mxc_gpio_setup_multiple_pins(mx27ads_pins, ARRAY_SIZE(mx27ads_pins), + "mx27ads"); mxc_register_device(&mxc_uart_device0, &uart_pdata[0]); mxc_register_device(&mxc_uart_device1, &uart_pdata[1]); @@ -248,6 +282,15 @@ static void __init mx27ads_board_init(void) mxc_register_device(&mxc_uart_device3, &uart_pdata[3]); mxc_register_device(&mxc_uart_device4, &uart_pdata[4]); mxc_register_device(&mxc_uart_device5, &uart_pdata[5]); + mxc_register_device(&mxc_nand_device, &mx27ads_nand_board_info); + + /* only the i2c master 1 is used on this CPU card */ + i2c_register_board_info(1, mx27ads_i2c_devices, + ARRAY_SIZE(mx27ads_i2c_devices)); + mxc_register_device(&mxc_i2c_device1, &mx27ads_i2c_data); + mxc_register_device(&mxc_fb_device, &mx27ads_fb_data); + mxc_register_device(&mxc_sdhc_device0, &sdhc1_pdata); + mxc_register_device(&mxc_sdhc_device1, &sdhc2_pdata); platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); } @@ -277,7 +320,7 @@ static struct map_desc mx27ads_io_desc[] __initdata = { static void __init mx27ads_map_io(void) { - mxc_map_io(); + mx27_map_io(); iotable_init(mx27ads_io_desc, ARRAY_SIZE(mx27ads_io_desc)); } |