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来源：互联网 发布：信捷fc编程电缆制作 编辑：程序博客网 时间：2024/05/22 07:48
该源码位置在：arch/arm/mach-exynos/mach-itop4412.c
1. BSP的总的初始化（入口程序）
static void __init smdk4x12_machine_init(void){#ifdef CONFIG_S3C64XX_DEV_SPI unsigned int gpio; struct clk *sclk = NULL; struct clk *prnt = NULL;#if 0 //remove by cym 20130529 struct device *spi0_dev = &exynos_device_spi0.dev;#ifndef CONFIG_FB_S5P_LMS501KF03 struct device *spi1_dev = &exynos_device_spi1.dev;#endif#endif struct device *spi2_dev = &exynos_device_spi2.dev;#endif /* remove by cym 20130426 */#if 0 int err;#endif /* end remove */ pm_power_off = smdk4x12_power_off; s3c_config_sleep_gpio_table = tc4_config_sleep_gpio_table; samsung_board_rev = get_samsung_board_rev();#if defined(CONFIG_EXYNOS_DEV_PD) && defined(CONFIG_PM_RUNTIME) exynos_pd_disable(&exynos4_device_pd[PD_MFC].dev); exynos_pd_disable(&exynos4_device_pd[PD_G3D].dev); exynos_pd_disable(&exynos4_device_pd[PD_LCD0].dev); exynos_pd_disable(&exynos4_device_pd[PD_CAM].dev); exynos_pd_disable(&exynos4_device_pd[PD_TV].dev); exynos_pd_disable(&exynos4_device_pd[PD_GPS].dev); exynos_pd_disable(&exynos4_device_pd[PD_GPS_ALIVE].dev); exynos_pd_disable(&exynos4_device_pd[PD_ISP].dev);#elif defined(CONFIG_EXYNOS_DEV_PD) /* * These power domains should be always on * without runtime pm support. */ exynos_pd_enable(&exynos4_device_pd[PD_MFC].dev); exynos_pd_enable(&exynos4_device_pd[PD_G3D].dev); exynos_pd_enable(&exynos4_device_pd[PD_LCD0].dev); exynos_pd_enable(&exynos4_device_pd[PD_CAM].dev); exynos_pd_enable(&exynos4_device_pd[PD_TV].dev); exynos_pd_enable(&exynos4_device_pd[PD_GPS].dev); exynos_pd_enable(&exynos4_device_pd[PD_GPS_ALIVE].dev); exynos_pd_enable(&exynos4_device_pd[PD_ISP].dev);#endif s3c_i2c0_set_platdata(NULL); i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0)); s3c_i2c1_set_platdata(NULL); i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1)); s3c_i2c2_set_platdata(NULL); i2c_register_board_info(2, i2c_devs2, ARRAY_SIZE(i2c_devs2)); init_lcd_type(); get_lcd_type(); setup_ft5x_width_height(); s3c_i2c3_set_platdata(NULL); i2c_register_board_info(3, i2c_devs3, ARRAY_SIZE(i2c_devs3)); s3c_i2c4_set_platdata(NULL); i2c_register_board_info(4, i2c_devs4, ARRAY_SIZE(i2c_devs4));#ifdef CONFIG_MPU_SENSORS_MPU6050B1 sensor_hw_init();#endif s3c_i2c5_set_platdata(NULL); i2c_register_board_info(5, i2c_devs5, ARRAY_SIZE(i2c_devs5)); //For S5K4EC (using i2c6)#ifndef CONFIG_CAN_MCP251X s3c_i2c6_set_platdata(NULL); i2c_register_board_info(6, i2c_devs6, ARRAY_SIZE(i2c_devs6));#endif s3c_i2c7_set_platdata(NULL); i2c_register_board_info(7, i2c_devs7, ARRAY_SIZE(i2c_devs7));#ifdef CONFIG_ANDROID_PMEM android_pmem_set_platdata();#endif#if defined(CONFIG_FB_S5P_MIPI_DSIM) mipi_fb_init();#endif#ifdef CONFIG_FB_S3C dev_set_name(&s5p_device_fimd0.dev, "s3cfb.0"); clk_add_alias("lcd", "exynos4-fb.0", "lcd", &s5p_device_fimd0.dev); clk_add_alias("sclk_fimd", "exynos4-fb.0", "sclk_fimd", &s5p_device_fimd0.dev); s5p_fb_setname(0, "exynos4-fb");#if defined(CONFIG_LCD_AMS369FG06) || defined(CONFIG_LCD_LMS501KF03) spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));#endif s5p_fimd0_set_platdata(&smdk4x12_lcd0_pdata);#ifdef CONFIG_FB_MIPI_DSIM s5p_device_mipi_dsim.dev.parent = &exynos4_device_pd[PD_LCD0].dev;#endif#ifdef CONFIG_EXYNOS_DEV_PD s5p_device_fimd0.dev.parent = &exynos4_device_pd[PD_LCD0].dev;#endif#endif#ifdef CONFIG_FB_S5P#ifdef CONFIG_FB_S5P_LMS501KF03 spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info)); s3cfb_set_platdata(&lms501kf03_data);#else s3cfb_set_platdata(NULL);#endif#ifdef CONFIG_FB_S5P_MIPI_DSIM s5p_device_dsim.dev.parent = &exynos4_device_pd[PD_LCD0].dev;#endif#ifdef CONFIG_EXYNOS_DEV_PD s3c_device_fb.dev.parent = &exynos4_device_pd[PD_LCD0].dev;#endif#endif#ifdef CONFIG_USB_EHCI_S5P smdk4x12_ehci_init();#endif#ifdef CONFIG_USB_OHCI_S5P smdk4x12_ohci_init();#endif#ifdef CONFIG_USB_GADGET smdk4x12_usbgadget_init();#endif samsung_bl_set(&smdk4x12_bl_gpio_info, &smdk4x12_bl_data);#ifdef CONFIG_EXYNOS4_DEV_DWMCI exynos_dwmci_set_platdata(&exynos_dwmci_pdata);#endif#ifdef CONFIG_VIDEO_EXYNOS_FIMC_IS exynos4_fimc_is_set_platdata(NULL);#ifdef CONFIG_EXYNOS_DEV_PD exynos4_device_fimc_is.dev.parent = &exynos4_device_pd[PD_ISP].dev;#endif#endif#ifdef CONFIG_S3C_DEV_HSMMC s3c_sdhci0_set_platdata(&smdk4x12_hsmmc0_pdata);#endif#ifdef CONFIG_S3C_DEV_HSMMC1 s3c_sdhci1_set_platdata(&smdk4x12_hsmmc1_pdata);#endif#ifdef CONFIG_S3C_DEV_HSMMC2 s3c_sdhci2_set_platdata(&smdk4x12_hsmmc2_pdata);#endif#ifdef CONFIG_S3C_DEV_HSMMC3 s3c_sdhci3_set_platdata(&smdk4x12_hsmmc3_pdata);#endif#ifdef CONFIG_MTK_COMBO_MT66XX itop4412_wifi_combo_module_gpio_init();#endif#ifdef CONFIG_S5P_DEV_MSHC s3c_mshci_set_platdata(&exynos4_mshc_pdata);#endif#if defined(CONFIG_VIDEO_EXYNOS_TV) && defined(CONFIG_VIDEO_EXYNOS_HDMI) dev_set_name(&s5p_device_hdmi.dev, "exynos4-hdmi"); clk_add_alias("hdmi", "s5p-hdmi", "hdmi", &s5p_device_hdmi.dev); clk_add_alias("hdmiphy", "s5p-hdmi", "hdmiphy", &s5p_device_hdmi.dev); s5p_tv_setup(); /* setup dependencies between TV devices */ s5p_device_hdmi.dev.parent = &exynos4_device_pd[PD_TV].dev; s5p_device_mixer.dev.parent = &exynos4_device_pd[PD_TV].dev; s5p_i2c_hdmiphy_set_platdata(NULL);#ifdef CONFIG_VIDEO_EXYNOS_HDMI_CEC s5p_hdmi_cec_set_platdata(&hdmi_cec_data);#endif#endif#ifdef CONFIG_VIDEO_EXYNOS_FIMC_LITE smdk4x12_set_camera_flite_platdata(); s3c_set_platdata(&exynos_flite0_default_data, sizeof(exynos_flite0_default_data), &exynos_device_flite0); s3c_set_platdata(&exynos_flite1_default_data, sizeof(exynos_flite1_default_data), &exynos_device_flite1);#ifdef CONFIG_EXYNOS_DEV_PD exynos_device_flite0.dev.parent = &exynos4_device_pd[PD_ISP].dev; exynos_device_flite1.dev.parent = &exynos4_device_pd[PD_ISP].dev;#endif#endif#ifdef CONFIG_EXYNOS_SETUP_THERMAL s5p_tmu_set_platdata(&exynos_tmu_data);#endif#ifdef CONFIG_VIDEO_FIMC s3c_fimc0_set_platdata(&fimc_plat);#ifdef CONFIG_TC4_GB s3c_fimc1_set_platdata(NULL); s3c_fimc2_set_platdata(&fimc_plat);#else s3c_fimc1_set_platdata(&fimc_plat); s3c_fimc2_set_platdata(NULL);#endif s3c_fimc3_set_platdata(NULL);#ifdef CONFIG_EXYNOS_DEV_PD s3c_device_fimc0.dev.parent = &exynos4_device_pd[PD_CAM].dev; s3c_device_fimc1.dev.parent = &exynos4_device_pd[PD_CAM].dev; s3c_device_fimc2.dev.parent = &exynos4_device_pd[PD_CAM].dev; s3c_device_fimc3.dev.parent = &exynos4_device_pd[PD_CAM].dev;#ifdef CONFIG_EXYNOS4_CONTENT_PATH_PROTECTION secmem.parent = &exynos4_device_pd[PD_CAM].dev;#endif#endif#ifdef CONFIG_VIDEO_FIMC_MIPI s3c_csis0_set_platdata(NULL); s3c_csis1_set_platdata(NULL);#ifdef CONFIG_EXYNOS_DEV_PD s3c_device_csis0.dev.parent = &exynos4_device_pd[PD_CAM].dev; s3c_device_csis1.dev.parent = &exynos4_device_pd[PD_CAM].dev;#endif#endif#if defined(CONFIG_ITU_A) || defined(CONFIG_CSI_C) \ || defined(CONFIG_S5K3H1_CSI_C) || defined(CONFIG_S5K3H2_CSI_C) \ || defined(CONFIG_S5K6A3_CSI_C) smdk4x12_cam0_reset(1);#endif#if defined(CONFIG_ITU_B) || defined(CONFIG_CSI_D) \ || defined(CONFIG_S5K3H1_CSI_D) || defined(CONFIG_S5K3H2_CSI_D) \ || defined(CONFIG_VIDEO_OV5640) \ || defined(CONFIG_S5K6A3_CSI_D) smdk4x12_cam1_reset(1);#endif#endif /* CONFIG_VIDEO_FIMC */#ifdef CONFIG_VIDEO_SAMSUNG_S5P_FIMC smdk4x12_camera_config(); smdk4x12_subdev_config(); dev_set_name(&s5p_device_fimc0.dev, "s3c-fimc.0"); dev_set_name(&s5p_device_fimc1.dev, "s3c-fimc.1"); dev_set_name(&s5p_device_fimc2.dev, "s3c-fimc.2"); dev_set_name(&s5p_device_fimc3.dev, "s3c-fimc.3"); clk_add_alias("fimc", "exynos4210-fimc.0", "fimc", &s5p_device_fimc0.dev); clk_add_alias("sclk_fimc", "exynos4210-fimc.0", "sclk_fimc", &s5p_device_fimc0.dev); clk_add_alias("fimc", "exynos4210-fimc.1", "fimc", &s5p_device_fimc1.dev); clk_add_alias("sclk_fimc", "exynos4210-fimc.1", "sclk_fimc", &s5p_device_fimc1.dev); clk_add_alias("fimc", "exynos4210-fimc.2", "fimc", &s5p_device_fimc2.dev); clk_add_alias("sclk_fimc", "exynos4210-fimc.2", "sclk_fimc", &s5p_device_fimc2.dev); clk_add_alias("fimc", "exynos4210-fimc.3", "fimc", &s5p_device_fimc3.dev); clk_add_alias("sclk_fimc", "exynos4210-fimc.3", "sclk_fimc", &s5p_device_fimc3.dev); s3c_fimc_setname(0, "exynos4210-fimc"); s3c_fimc_setname(1, "exynos4210-fimc"); s3c_fimc_setname(2, "exynos4210-fimc"); s3c_fimc_setname(3, "exynos4210-fimc"); /* FIMC */ s3c_set_platdata(&s3c_fimc0_default_data, sizeof(s3c_fimc0_default_data), &s5p_device_fimc0); s3c_set_platdata(&s3c_fimc1_default_data, sizeof(s3c_fimc1_default_data), &s5p_device_fimc1); s3c_set_platdata(&s3c_fimc2_default_data, sizeof(s3c_fimc2_default_data), &s5p_device_fimc2); s3c_set_platdata(&s3c_fimc3_default_data, sizeof(s3c_fimc3_default_data), &s5p_device_fimc3);#ifdef CONFIG_EXYNOS_DEV_PD s5p_device_fimc0.dev.parent = &exynos4_device_pd[PD_CAM].dev; s5p_device_fimc1.dev.parent = &exynos4_device_pd[PD_CAM].dev; s5p_device_fimc2.dev.parent = &exynos4_device_pd[PD_CAM].dev; s5p_device_fimc3.dev.parent = &exynos4_device_pd[PD_CAM].dev;#endif#ifdef CONFIG_VIDEO_S5P_MIPI_CSIS dev_set_name(&s5p_device_mipi_csis0.dev, "s3c-csis.0"); dev_set_name(&s5p_device_mipi_csis1.dev, "s3c-csis.1"); clk_add_alias("csis", "s5p-mipi-csis.0", "csis", &s5p_device_mipi_csis0.dev); clk_add_alias("sclk_csis", "s5p-mipi-csis.0", "sclk_csis", &s5p_device_mipi_csis0.dev); clk_add_alias("csis", "s5p-mipi-csis.1", "csis", &s5p_device_mipi_csis1.dev); clk_add_alias("sclk_csis", "s5p-mipi-csis.1", "sclk_csis", &s5p_device_mipi_csis1.dev); dev_set_name(&s5p_device_mipi_csis0.dev, "s5p-mipi-csis.0"); dev_set_name(&s5p_device_mipi_csis1.dev, "s5p-mipi-csis.1"); s3c_set_platdata(&s5p_mipi_csis0_default_data, sizeof(s5p_mipi_csis0_default_data), &s5p_device_mipi_csis0); s3c_set_platdata(&s5p_mipi_csis1_default_data, sizeof(s5p_mipi_csis1_default_data), &s5p_device_mipi_csis1);#ifdef CONFIG_EXYNOS_DEV_PD s5p_device_mipi_csis0.dev.parent = &exynos4_device_pd[PD_CAM].dev; s5p_device_mipi_csis1.dev.parent = &exynos4_device_pd[PD_CAM].dev;#endif#endif#if defined(CONFIG_ITU_A) || defined(CONFIG_CSI_C) \ || defined(CONFIG_S5K3H1_CSI_C) || defined(CONFIG_S5K3H2_CSI_C) \ || defined(CONFIG_S5K6A3_CSI_C) smdk4x12_cam0_reset(1);#endif#if defined(CONFIG_ITU_B) || defined(CONFIG_CSI_D) \ || defined(CONFIG_S5K3H1_CSI_D) || defined(CONFIG_S5K3H2_CSI_D) \ || defined(CONFIG_S5K6A3_CSI_D) smdk4x12_cam1_reset(1);#endif#endif#if defined(CONFIG_VIDEO_TVOUT) s5p_hdmi_hpd_set_platdata(&hdmi_hpd_data); s5p_hdmi_cec_set_platdata(&hdmi_cec_data);#ifdef CONFIG_EXYNOS_DEV_PD s5p_device_tvout.dev.parent = &exynos4_device_pd[PD_TV].dev; exynos4_device_pd[PD_TV].dev.parent= &exynos4_device_pd[PD_LCD0].dev;#endif#endif#if defined(CONFIG_VIDEO_JPEG_V2X) || defined(CONFIG_VIDEO_JPEG)#ifdef CONFIG_EXYNOS_DEV_PD s5p_device_jpeg.dev.parent = &exynos4_device_pd[PD_CAM].dev; exynos4_jpeg_setup_clock(&s5p_device_jpeg.dev, 160000000);#endif#endif#ifdef CONFIG_ION_EXYNOS exynos_ion_set_platdata();#endif#if defined(CONFIG_VIDEO_MFC5X) || defined(CONFIG_VIDEO_SAMSUNG_S5P_MFC)#ifdef CONFIG_EXYNOS_DEV_PD s5p_device_mfc.dev.parent = &exynos4_device_pd[PD_MFC].dev;#endif if (soc_is_exynos4412() && samsung_rev() >= EXYNOS4412_REV_1_0) exynos4_mfc_setup_clock(&s5p_device_mfc.dev, 200 * MHZ); else exynos4_mfc_setup_clock(&s5p_device_mfc.dev, 267 * MHZ);#endif#if defined(CONFIG_VIDEO_SAMSUNG_S5P_MFC) dev_set_name(&s5p_device_mfc.dev, "s3c-mfc"); clk_add_alias("mfc", "s5p-mfc", "mfc", &s5p_device_mfc.dev); s5p_mfc_setname(&s5p_device_mfc, "s5p-mfc");#endif#ifdef CONFIG_VIDEO_FIMG2D s5p_fimg2d_set_platdata(&fimg2d_data);#endif#ifdef CONFIG_SAMSUNG_DEV_KEYPAD samsung_keypad_set_platdata(&smdk4x12_keypad_data);#endif /* add by cym 20131114 */#ifdef CONFIG_USB_NET_DM9620 dm9620_reset();#endif /* end add */#ifdef CONFIG_EXYNOS_C2C exynos_c2c_set_platdata(&smdk4x12_c2c_pdata);#endif#ifndef CONFIG_TC4_GB exynos_sysmmu_init();#endif smdk4x12_gpio_power_init(); platform_add_devices(smdk4x12_devices, ARRAY_SIZE(smdk4x12_devices)); if (soc_is_exynos4412()) platform_add_devices(smdk4412_devices, ARRAY_SIZE(smdk4412_devices));#ifdef CONFIG_FB_S3C exynos4_fimd0_setup_clock(&s5p_device_fimd0.dev, "mout_mpll_user", 800 * MHZ);#endif#ifdef CONFIG_S3C64XX_DEV_SPI#if 0 //remove by cym 20130529 sclk = clk_get(spi0_dev, "dout_spi0"); if (IS_ERR(sclk)) dev_err(spi0_dev, "failed to get sclk for SPI-0\n"); prnt = clk_get(spi0_dev, "mout_mpll_user"); if (IS_ERR(prnt)) dev_err(spi0_dev, "failed to get prnt\n"); if (clk_set_parent(sclk, prnt)) printk(KERN_ERR "Unable to set parent %s of clock %s.\n", prnt->name, sclk->name); clk_set_rate(sclk, 800 * 1000 * 1000); clk_put(sclk); clk_put(prnt); if (!gpio_request(EXYNOS4_GPB(1), "SPI_CS0")) { gpio_direction_output(EXYNOS4_GPB(1), 1); s3c_gpio_cfgpin(EXYNOS4_GPB(1), S3C_GPIO_SFN(1)); s3c_gpio_setpull(EXYNOS4_GPB(1), S3C_GPIO_PULL_UP); exynos_spi_set_info(0, EXYNOS_SPI_SRCCLK_SCLK, ARRAY_SIZE(spi0_csi)); } for (gpio = EXYNOS4_GPB(0); gpio < EXYNOS4_GPB(4); gpio++) s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV3); spi_register_board_info(spi0_board_info, ARRAY_SIZE(spi0_board_info));#ifndef CONFIG_FB_S5P_LMS501KF03 sclk = clk_get(spi1_dev, "dout_spi1"); if (IS_ERR(sclk)) dev_err(spi1_dev, "failed to get sclk for SPI-1\n"); prnt = clk_get(spi1_dev, "mout_mpll_user"); if (IS_ERR(prnt)) dev_err(spi1_dev, "failed to get prnt\n"); if (clk_set_parent(sclk, prnt)) printk(KERN_ERR "Unable to set parent %s of clock %s.\n", prnt->name, sclk->name); clk_set_rate(sclk, 800 * 1000 * 1000); clk_put(sclk); clk_put(prnt); if (!gpio_request(EXYNOS4_GPB(5), "SPI_CS1")) { gpio_direction_output(EXYNOS4_GPB(5), 1); s3c_gpio_cfgpin(EXYNOS4_GPB(5), S3C_GPIO_SFN(1)); s3c_gpio_setpull(EXYNOS4_GPB(5), S3C_GPIO_PULL_UP); exynos_spi_set_info(1, EXYNOS_SPI_SRCCLK_SCLK, ARRAY_SIZE(spi1_csi)); } for (gpio = EXYNOS4_GPB(4); gpio < EXYNOS4_GPB(8); gpio++) s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV3); spi_register_board_info(spi1_board_info, ARRAY_SIZE(spi1_board_info));#endif#endif sclk = clk_get(spi2_dev, "dout_spi2"); if (IS_ERR(sclk)) dev_err(spi2_dev, "failed to get sclk for SPI-2\n"); prnt = clk_get(spi2_dev, "mout_mpll_user"); if (IS_ERR(prnt)) dev_err(spi2_dev, "failed to get prnt\n"); if (clk_set_parent(sclk, prnt)) printk(KERN_ERR "Unable to set parent %s of clock %s.\n", prnt->name, sclk->name); clk_set_rate(sclk, 800 * 1000 * 1000); clk_put(sclk); clk_put(prnt); if (!gpio_request(EXYNOS4_GPC1(2), "SPI_CS2")) { gpio_direction_output(EXYNOS4_GPC1(2), 1); s3c_gpio_cfgpin(EXYNOS4_GPC1(2), S3C_GPIO_SFN(1)); s3c_gpio_setpull(EXYNOS4_GPC1(2), S3C_GPIO_PULL_UP); exynos_spi_set_info(2, EXYNOS_SPI_SRCCLK_SCLK, ARRAY_SIZE(spi2_csi)); } for (gpio = EXYNOS4_GPC1(1); gpio < EXYNOS4_GPC1(5); gpio++) s5p_gpio_set_drvstr(gpio, S5P_GPIO_DRVSTR_LV3); spi_register_board_info(spi2_board_info, ARRAY_SIZE(spi2_board_info));#endif#ifdef CONFIG_BUSFREQ_OPP dev_add(&busfreq, &exynos4_busfreq.dev); ppmu_init(&exynos_ppmu[PPMU_DMC0], &exynos4_busfreq.dev); ppmu_init(&exynos_ppmu[PPMU_DMC1], &exynos4_busfreq.dev); ppmu_init(&exynos_ppmu[PPMU_CPU], &exynos4_busfreq.dev);#endif register_reboot_notifier(&exynos4_reboot_notifier);}2. I2C接口
/* ly 20111102 : i2c devs mapping: * i2c0 : HDMI （DDC全文为Display Data Channel） * i2c1 : max8997: PMIC & RTC & motor（S5M8767的电源管理IC(PMIC)） * i2c2 : not used * i2c3 : touch（触摸芯片ft5x06） * i2c4 : max8997 fuel gauge & wm8960（音频编解码芯片） * i2c5 : sensor: MPU3050（三轴陀螺仪芯片） * i2c6 : camera & HSIC （内核加载摄像头驱动，在这里并没有配置） * i2c7 : light sensor （TSC2007触摸芯片，暂时没用） */static struct i2c_board_info i2c_devs0[] __initdata = {#ifdef CONFIG_VIDEO_TVOUT{ I2C_BOARD_INFO("s5p_ddc", (0x74 >> 1)),},#endif};static struct i2c_board_info i2c_devs1[] __initdata = {{#ifdef CONFIG_REGULATOR_S5M8767 I2C_BOARD_INFO("s5m87xx", 0xCC >> 1), .platform_data = &exynos4_s5m8767_pdata, .irq = IRQ_EINT(15),#endif},};#if 1 //iic 2 : nfcstatic struct i2c_board_info i2c_devs2[] __initdata = {};#endif// For S5K4EC(using i2c6)#ifndef CONFIG_CAN_MCP251Xstatic struct i2c_board_info i2c_devs6[] __initdata = {};#endif/* add by cym 20130515 */#ifdef CONFIG_TOUCHSCREEN_FT5X0X#include <plat/ft5x0x_touch.h>static struct ft5x0x_i2c_platform_data ft5x0x_pdata = { .gpio_irq = EXYNOS4_GPX0(4), .irq_cfg = S3C_GPIO_SFN(0xf), .screen_max_x = 768, .screen_max_y = 1024, .pressure_max = 255,};#if 0static int __init setup_width_height(char *str){ if (!strncasecmp("9.7", str, 3)) { //printk("000000000000000000000000\n"); ft5x0x_pdata.screen_max_x = 768; ft5x0x_pdata.screen_max_y = 1024; } else if(!strncasecmp("7.0", str, 3)) { //printk("1111111111111111111111111\n"); ft5x0x_pdata.screen_max_x = 1280;//1280; ft5x0x_pdata.screen_max_y = 800;//800; } printk("%s\n", __FUNCTION__);}early_param("lcd", setup_width_height);#endif#endif/* end add */void init_lcd_type(){ int err; if(gpio_request(EXYNOS4_GPC0(3), "GPC0_3")) printk(KERN_WARNING "GPC0_3 Port request error!!!\n"); else { s3c_gpio_setpull(EXYNOS4_GPC0(3), S3C_GPIO_PULL_NONE); s3c_gpio_cfgpin(EXYNOS4_GPC0(3), S3C_GPIO_SFN(0)); gpio_direction_input(EXYNOS4_GPC0(3)); //gpio_free(EXYNOS4_GPC0(3)); } if(gpio_request(EXYNOS4_GPX0(6), "GPX0_6")) printk(KERN_WARNING "GPX0_6 Port request error!!!\n"); else { s3c_gpio_setpull(EXYNOS4_GPX0(6), S3C_GPIO_PULL_NONE); s3c_gpio_cfgpin(EXYNOS4_GPX0(6), S3C_GPIO_SFN(0)); gpio_direction_input(EXYNOS4_GPX0(6)); //gpio_free(EXYNOS4_GPX0(6)); }}int get_lcd_type(){ int value1, value2, type = 0; int flags = 0; //if(0 == flags) //{ // init_lcd_type(); // flags = 1; //}#if 0 if(gpio_request(EXYNOS4_GPC0(3), "GPC0_3")) printk(KERN_WARNING "GPC0_3 Port request error!!!\n"); else { value1 = gpio_get_value(EXYNOS4_GPC0(3)); gpio_free(EXYNOS4_GPC0(3)); } if(gpio_request(EXYNOS4_GPX0(6), "GPX0_6")) printk(KERN_WARNING "GPX0_6 Port request error!!!\n"); else { value2 = gpio_get_value(EXYNOS4_GPX0(6)); gpio_free(EXYNOS4_GPC0(3)); }#else value1 = gpio_get_value(EXYNOS4_GPC0(3)); value2 = gpio_get_value(EXYNOS4_GPX0(6));#endif type = (value1<<1)|value2; printk("value1 = %d, value2 = %d, type = 0x%x\n", value1, value2, type); return type;}EXPORT_SYMBOL(get_lcd_type);void setup_ft5x_width_height(){ int type = get_lcd_type(); if(0x00 == type) //9.7 {#if defined(CONFIG_TOUCHSCREEN_FT5X0X) ft5x0x_pdata.screen_max_x = 768; ft5x0x_pdata.screen_max_y = 1024;#endif ; } else if(0x01 == type) //7.0 {#if defined(CONFIG_TOUCHSCREEN_FT5X0X) ft5x0x_pdata.screen_max_x = 800;//1280;//1280; ft5x0x_pdata.screen_max_y = 1280;//800;//800;#endif ; } else if(0x02 == type) //4.3 { ; }}static struct i2c_board_info i2c_devs3[] __initdata = { /* add by cym 20130318 support for FT5X0X TouchScreen */#if defined(CONFIG_TOUCHSCREEN_FT5X0X){ I2C_BOARD_INFO("ft5x0x_ts", 0x70>>1), .irq = IRQ_EINT(4), .platform_data = &ft5x0x_pdata,},#endif/* end add */};#ifdef CONFIG_SND_SOC_WM8960#include <sound/wm8960.h>static struct wm8960_data wm8960_pdata = { .capless = 0, .dres = WM8960_DRES_400R,};#endif/* I2C4 */static struct i2c_board_info i2c_devs4[] __initdata = {#ifdef CONFIG_SND_SOC_WM8960{ I2C_BOARD_INFO("wm8960", 0x1a), .platform_data = &wm8960_pdata,},#endif};/* I2C5 */static struct i2c_board_info i2c_devs5[] __initdata = {#ifdef CONFIG_TC4_GB// liang#if defined(CONFIG_MPU_SENSORS_MPU3050) || defined(CONFIG_MPU_SENSORS_MPU3050_MODULE) // liang{ I2C_BOARD_INFO(SENSOR_MPU_NAME, 0x68), //.irq = gpio_to_irq(MPUGPIO), .irq = IRQ_EINT(27), .platform_data = &mpu_data,},#endif //yulu for test sleep#endif#ifdef CONFIG_TC4_ICS#ifdef CONFIG_MPU_SENSORS_MPU6050B1{ I2C_BOARD_INFO("mpu6050", 0x68), .platform_data = &mpu6050_data, .irq = EXYNOS4_GPX3(3),},/* { I2C_BOARD_INFO("ak8975", 0x0C), .platform_data = &inv_mpu_compass_data, .irq = EXYNOS4_GPX1(4), }*/#else// gyro{ I2C_BOARD_INFO(MPU_NAME, 0x68), .irq = IRQ_EINT(27), .platform_data = &mpu3050_data,},// accel{ I2C_BOARD_INFO("bma250", (0x30>>1)), //.irq = IRQ_EINT(24),// 25? .platform_data = &inv_mpu_bma250_data,},#endif#endif};/* add by cym 20130417 for TSC2007 TouchScreen */#ifdef CONFIG_TOUCHSCREEN_TSC2007#define GPIO_TSC_PORT EXYNOS4_GPX0(0)static int ts_get_pendown_state(void){ int val; val = gpio_get_value(GPIO_TSC_PORT); return !val;}static int ts_init(void){ int err; err = gpio_request_one(EXYNOS4_GPX0(0), GPIOF_IN, "TSC2007_IRQ"); if (err) { printk(KERN_ERR "failed to request TSC2007_IRQ pin\n"); return -1; } s3c_gpio_cfgpin(EXYNOS4_GPX0(0), S3C_GPIO_SFN(0xF)); s3c_gpio_setpull(EXYNOS4_GPX0(0), S3C_GPIO_PULL_NONE); gpio_free(EXYNOS4_GPX0(0)); return 0;}static struct tsc2007_platform_data tsc2007_info = { .model = 2007, .x_plate_ohms = 180, .get_pendown_state = ts_get_pendown_state, .init_platform_hw = ts_init,};#endif/* end add *//* I2C7 */static struct i2c_board_info i2c_devs7[] __initdata = { /* add by cym 20130417 for TSC2007 TouchScreen */#ifdef CONFIG_TOUCHSCREEN_TSC2007{ I2C_BOARD_INFO("tsc2007", 0x48), .type = "tsc2007", .platform_data = &tsc2007_info, .irq = IRQ_EINT(0),}#endif/* end add */};3.背光接口
/* LCD Backlight data */static struct samsung_bl_gpio_info smdk4x12_bl_gpio_info = { .no = EXYNOS4_GPD0(1), .func = S3C_GPIO_SFN(2),};static struct platform_pwm_backlight_data smdk4x12_bl_data = { .pwm_id = 1,#ifdef CONFIG_FB_S5P_LMS501KF03 .pwm_period_ns = 1000,#endif};4. 六轴运动处理组件
#ifdef CONFIG_MPU_SENSORS_MPU6050B1void sensor_hw_init(void){ printk("%s: line = %d\n", __FUNCTION__, __LINE__); if (gpio_request(EXYNOS4_GPX3(3), "MPU6050 INT")) printk(KERN_WARNING "MPU6050 INT(GPX3.3) Port request error!!!\n"); else { s3c_gpio_setpull(EXYNOS4_GPX3(3), S3C_GPIO_PULL_NONE); s3c_gpio_cfgpin(EXYNOS4_GPX3(3), S3C_GPIO_SFN(0)); gpio_direction_input(EXYNOS4_GPX3(3)); gpio_free(EXYNOS4_GPX3(3)); } /* Sensor AK8975 DRDY */ /* if (gpio_request(EXYNOS4_GPX1(4), "AK8975 RDY")) printk(KERN_WARNING "AK8975 RDY(GPX1.4) Port request error!!!\n"); else { s3c_gpio_setpull(EXYNOS4_GPX1(4), S3C_GPIO_PULL_NONE); s3c_gpio_cfgpin(EXYNOS4_GPX1(4), S3C_GPIO_SFN(0)); gpio_direction_input(EXYNOS4_GPX1(4)); gpio_free(EXYNOS4_GPX1(4)); } //enable_irq(IRQ_EINT(27));*/}static struct mpu_platform_data mpu6050_data = { .int_config = 0x10, .orientation = { 0, -1, 0, -1, 0, 0, 0, 0, -1}, .level_shifter = 0,};static struct ext_slave_platform_data inv_mpu_compass_data = { .bus = EXT_SLAVE_BUS_PRIMARY, .orientation = { -1, 0, 0, 0, 1, 0, 0, 0, -1},}; 0 0
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