static int mxc_sgtl5000_init(void)
{
struct clk *ssi_ext1;
int rate;
if (board_is_mx53_arm2()) {
sgtl5000_data.sysclk = 12000000;
} else {
ssi_ext1 = clk_get(NULL, "ssi_ext1_clk");
if (IS_ERR(ssi_ext1))
return -1;
rate = clk_round_rate(ssi_ext1, 24000000);
if (rate < 8000000 || rate > 27000000) {
printk(KERN_ERR "Error: SGTL5000 mclk freq %d out of range!\n",
rate);
clk_put(ssi_ext1);
return -1;
}
clk_set_rate(ssi_ext1, rate);
clk_enable(ssi_ext1);
sgtl5000_data.sysclk = rate;
}
return 0;
}
static void __init mx53_evk_board_init(void)
{
int i;
mx53_evk_io_init();
gp_reg_id = evk_regulator_data.cpu_reg_id;
lp_reg_id = evk_regulator_data.vcc_reg_id;
mxc_spdif_data.spdif_core_clk = clk_get(NULL, "spdif_xtal_clk");
clk_put(mxc_spdif_data.spdif_core_clk);
mx53_evk_init_uart();
imx53_add_srtc();
mx53_evk_fec_reset();
imx53_add_fec(&mx53_evk_fec_pdata);
imx53_add_ipuv3(0, &ipu_data);
for (i = 0; i < ARRAY_SIZE(evk_fb_data); i++)
imx53_add_ipuv3fb(i, &evk_fb_data[i]);
imx53_add_vpu();
imx53_add_tve(&tve_data);
imx53_add_v4l2_output(0);
if (!board_is_mx53_arm2()) {
imx53_add_mxc_pwm(1);
imx53_add_mxc_pwm_backlight(0, &evk_pwm_backlight_data);
}
imx53_add_dvfs_core(&evk_dvfs_core_data);
imx53_add_busfreq();
imx53_add_imx_i2c(0, &mx53_evk_i2c_data);
imx53_add_imx_i2c(1, &mx53_evk_i2c_data);
i2c_register_board_info(0, mxc_i2c0_board_info,
ARRAY_SIZE(mxc_i2c0_board_info));
i2c_register_board_info(1, mxc_i2c1_board_info,
ARRAY_SIZE(mxc_i2c1_board_info));
imx53_add_sdhci_esdhc_imx(0, &mx53_evk_sd1_data);
imx53_add_sdhci_esdhc_imx(2, &mx53_evk_sd3_data);
mxc_register_device(&imx_ahci_device_hwmon, NULL);
spi_register_board_info(mx53_evk_spi_board_info,
ARRAY_SIZE(mx53_evk_spi_board_info));
imx53_add_ecspi(0, &mx53_evk_spi_data);
imx53_add_imx2_wdt(0, NULL);
imx53_add_spdif(&mxc_spdif_data);
imx53_add_spdif_dai();
imx53_add_spdif_audio_device();
/* this call required to release SCC RAM partition held by ROM
* during boot, even if SCC2 driver is not part of the image
*/
imx53_add_mxc_scc2();
}
static int sdhc_write_protect(struct device *dev)
{
unsigned short rc = 0;
if (!board_is_mx53_arm2()) {
if (to_platform_device(dev)->id == 0)
rc = gpio_get_value(EVK_SD1_WP);
else
rc = gpio_get_value(EVK_SD3_WP);
}
return rc;
}
static void gpio_usbotg_vbus_inactive(void)
{
if (board_is_mx53_arm2()) {
/* MX53 ARM2 CPU board */
/* Disable OTG VBus with GPIO high */
gpio_set_value(ARM2_OTG_VBUS, 1);
} else if (board_is_mx53_evk_a()) {
/* MX53 EVK board ver A*/
/* Disable OTG VBus with GPIO high */
gpio_set_value(EVK_OTG_VBUS, 1);
} else if (board_is_mx53_evk_b()) {
/* MX53 EVK board ver B*/
/* Disable OTG VBus with GPIO low */
gpio_set_value(EVK_OTG_VBUS, 0);
}
}
static void gpio_usbotg_vbus_inactive(void)
{
if (board_is_mx53_arm2()) {
/* MX53 ARM2 CPU board */
/* Disable OTG VBus with GPIO high */
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_EIM_D22), 1);
} else if (board_is_mx53_evk_a()) {
/* MX53 EVK board ver A*/
/* Disable OTG VBus with GPIO high */
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_EIM_A23), 1);
} else if (board_is_mx53_evk_b()) {
/* MX53 EVK board ver B*/
/* Disable OTG VBus with GPIO low */
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_EIM_A23), 0);
}
}
static unsigned int sdhc_get_card_det_status(struct device *dev)
{
int ret;
if (board_is_mx53_arm2()) {
if (to_platform_device(dev)->id == 0)
ret = gpio_get_value(ARM2_SD1_CD);
else
ret = 1;
} else {
if (to_platform_device(dev)->id == 0) {
ret = gpio_get_value(EVK_SD1_CD);
} else{ /* config the det pin for SDHC3 */
ret = gpio_get_value(EVK_SD3_CD);
}
}
return ret;
}
static void __init mx53_evk_board_init(void)
{
mx53_evk_io_init();
mx53_evk_init_uart();
imx53_add_srtc();
mx53_evk_fec_reset();
imx53_add_fec(&mx53_evk_fec_pdata);
imx53_add_ipuv3(&ipu_data);
imx53_add_vpu();
imx53_add_tve(&tve_data);
imx53_add_v4l2_output(0);
if (!board_is_mx53_arm2()) {
imx53_add_mxc_pwm(1);
imx53_add_mxc_pwm_backlight(0, &evk_pwm_backlight_data);
}
imx53_add_dvfs_core(&evk_dvfs_core_data);
imx53_add_busfreq(&evk_bus_freq_data);
imx53_add_imx_i2c(0, &mx53_evk_i2c_data);
imx53_add_imx_i2c(1, &mx53_evk_i2c_data);
i2c_register_board_info(0, mxc_i2c0_board_info,
ARRAY_SIZE(mxc_i2c0_board_info));
i2c_register_board_info(1, mxc_i2c1_board_info,
ARRAY_SIZE(mxc_i2c1_board_info));
imx53_add_sdhci_esdhc_imx(0, &mx53_evk_sd1_data);
imx53_add_sdhci_esdhc_imx(2, &mx53_evk_sd3_data);
spi_register_board_info(mx53_evk_spi_board_info,
ARRAY_SIZE(mx53_evk_spi_board_info));
imx53_add_ecspi(0, &mx53_evk_spi_data);
imx53_add_imx2_wdt(0, NULL);
/* this call required to release SCC RAM partition held by ROM
* during boot, even if SCC2 driver is not part of the image
*/
imx53_add_mxc_scc2();
}
/*!
* Board specific initialization.
*/
static void __init mxc_board_init(void)
{
mxc_ipu_data.di_clk[0] = clk_get(NULL, "ipu_di0_clk");
mxc_ipu_data.di_clk[1] = clk_get(NULL, "ipu_di1_clk");
mxc_ipu_data.csi_clk[0] = clk_get(NULL, "ssi_ext1_clk");
mxc_spdif_data.spdif_core_clk = clk_get(NULL, "spdif_xtal_clk");
clk_put(mxc_spdif_data.spdif_core_clk);
spdif_audio_data.ext_ram_clk = clk_get(NULL, "emi_fast_clk");
clk_put(spdif_audio_data.ext_ram_clk);
/* SD card detect irqs */
if (board_is_mx53_arm2()) {
mxcsdhc1_device.resource[2].start = gpio_to_irq(ARM2_SD1_CD);
mxcsdhc1_device.resource[2].end = gpio_to_irq(ARM2_SD1_CD);
mmc3_data.card_inserted_state = 1;
mmc3_data.status = NULL;
mmc3_data.wp_status = NULL;
mmc1_data.wp_status = NULL;
} else {
mxcsdhc3_device.resource[2].start = gpio_to_irq(EVK_SD3_CD);
mxcsdhc3_device.resource[2].end = gpio_to_irq(EVK_SD3_CD);
mxcsdhc1_device.resource[2].start = gpio_to_irq(EVK_SD1_CD);
mxcsdhc1_device.resource[2].end = gpio_to_irq(EVK_SD1_CD);
}
mxc_cpu_common_init();
mx53_evk_io_init();
mxc_register_device(&mxc_dma_device, NULL);
mxc_register_device(&mxc_wdt_device, NULL);
mxc_register_device(&mxcspi1_device, &mxcspi1_data);
mxc_register_device(&mxci2c_devices[0], &mxci2c_data);
mxc_register_device(&mxci2c_devices[1], &mxci2c_data);
mxc_register_device(&mxci2c_devices[2], &mxci2c_data);
mxc_register_device(&mxc_rtc_device, NULL);
mxc_register_device(&mxc_w1_master_device, &mxc_w1_data);
mxc_register_device(&mxc_ipu_device, &mxc_ipu_data);
mxc_register_device(&mxc_ldb_device, &ldb_data);
mxc_register_device(&mxc_tve_device, &tve_data);
if (!mxc_fuse_get_vpu_status())
mxc_register_device(&mxcvpu_device, &mxc_vpu_data);
if (!mxc_fuse_get_gpu_status())
mxc_register_device(&gpu_device, &gpu_data);
mxc_register_device(&mxcscc_device, NULL);
/*
mxc_register_device(&mx53_lpmode_device, NULL);
mxc_register_device(&sdram_autogating_device, NULL);
*/
mxc_register_device(&mxc_dvfs_core_device, &dvfs_core_data);
mxc_register_device(&busfreq_device, &bus_freq_data);
/*
mxc_register_device(&mxc_dvfs_per_device, &dvfs_per_data);
*/
mxc_register_device(&mxc_iim_device, &iim_data);
if (!board_is_mx53_arm2()) {
mxc_register_device(&mxc_pwm2_device, NULL);
mxc_register_device(&mxc_pwm1_backlight_device,
&mxc_pwm_backlight_data);
}
mxc_register_device(&mxc_flexcan0_device, &flexcan0_data);
mxc_register_device(&mxc_flexcan1_device, &flexcan1_data);
/* mxc_register_device(&mxc_keypad_device, &keypad_plat_data); */
mxc_register_device(&mxcsdhc1_device, &mmc1_data);
mxc_register_device(&mxcsdhc3_device, &mmc3_data);
mxc_register_device(&mxc_ssi1_device, NULL);
mxc_register_device(&mxc_ssi2_device, NULL);
mxc_register_device(&ahci_fsl_device, &sata_data);
/* ASRC is only available for MX53 TO2.0 */
if (mx53_revision() >= IMX_CHIP_REVISION_2_0) {
mxc_asrc_data.asrc_core_clk = clk_get(NULL, "asrc_clk");
clk_put(mxc_asrc_data.asrc_core_clk);
mxc_asrc_data.asrc_audio_clk = clk_get(NULL, "asrc_serial_clk");
clk_put(mxc_asrc_data.asrc_audio_clk);
mxc_register_device(&mxc_asrc_device, &mxc_asrc_data);
}
mxc_register_device(&mxc_alsa_spdif_device, &mxc_spdif_data);
if (!mxc_apc_on) {
mxc_register_device(&mxc_fec_device, &fec_data);
mxc_register_device(&mxc_ptp_device, NULL);
}
spi_register_board_info(mxc_dataflash_device,
ARRAY_SIZE(mxc_dataflash_device));
i2c_register_board_info(0, mxc_i2c0_board_info,
ARRAY_SIZE(mxc_i2c0_board_info));
i2c_register_board_info(1, mxc_i2c1_board_info,
ARRAY_SIZE(mxc_i2c1_board_info));
mx53_evk_init_mc13892();
/*
pm_power_off = mxc_power_off;
*/
sgtl5000_data.ext_ram_clk = clk_get(NULL, "emi_fast_clk");
clk_put(sgtl5000_data.ext_ram_clk);
mxc_surround_audio_data.ext_ram_clk = clk_get(NULL, "emi_fast_clk");
clk_put(mxc_surround_audio_data.ext_ram_clk);
mxc_register_device(&mxc_sgtl5000_device, &sgtl5000_data);
mxc_register_device(&mxc_spdif_audio_device, &spdif_audio_data);
mxc_register_device(&mxc_mlb_device, &mlb_data);
mxc_register_device(&mxc_powerkey_device, &pwrkey_data);
mx5_set_otghost_vbus_func(mx53_gpio_usbotg_driver_vbus);
mx5_usb_dr_init();
mx5_set_host1_vbus_func(mx53_gpio_host1_driver_vbus);
mx5_usbh1_init();
mxc_register_device(&mxc_nandv2_mtd_device, &mxc_nand_data);
if (mxc_apc_on) {
mxc_register_device(&mxc_esai_device, &esai_data);
mxc_register_device(&mxc_alsa_surround_device,
&mxc_surround_audio_data);
}
mxc_register_device(&mxc_v4l2_device, NULL);
mxc_register_device(&mxc_v4l2out_device, NULL);
}
static void __init mx53_evk_io_init(void)
{
mxc_iomux_v3_setup_multiple_pads(mx53common_pads,
ARRAY_SIZE(mx53common_pads));
if (board_is_mx53_arm2()) {
/* MX53 ARM2 CPU board */
pr_info("MX53 ARM2 board \n");
mxc_iomux_v3_setup_multiple_pads(mx53arm2_pads,
ARRAY_SIZE(mx53arm2_pads));
/* Config GPIO for OTG VBus */
gpio_request(ARM2_OTG_VBUS, "otg-vbus");
gpio_direction_output(ARM2_OTG_VBUS, 1);
gpio_request(ARM2_SD1_CD, "sdhc1-cd");
gpio_direction_input(ARM2_SD1_CD); /* SD1 CD */
gpio_request(ARM2_LCD_CONTRAST, "lcd-contrast");
gpio_direction_output(ARM2_LCD_CONTRAST, 1);
} else {
/* MX53 EVK board */
pr_info("MX53 EVK board \n");
mxc_iomux_v3_setup_multiple_pads(mx53evk_pads,
ARRAY_SIZE(mx53evk_pads));
/* Host1 Vbus with GPIO high */
gpio_request(EVK_USBH1_VBUS, "usbh1-vbus");
gpio_direction_output(EVK_USBH1_VBUS, 1);
/* shutdown the Host1 Vbus when system bring up,
* Vbus will be opened in Host1 driver's probe function */
gpio_set_value(EVK_USBH1_VBUS, 0);
/* USB HUB RESET - De-assert USB HUB RESET_N */
gpio_request(EVK_USB_HUB_RESET, "usb-hub-reset");
gpio_direction_output(EVK_USB_HUB_RESET, 0);
msleep(1);
gpio_set_value(EVK_USB_HUB_RESET, 1);
/* Config GPIO for OTG VBus */
gpio_request(EVK_OTG_VBUS, "otg-vbus");
gpio_direction_output(EVK_OTG_VBUS, 0);
if (board_is_mx53_evk_a()) /*rev A,"1" disable, "0" enable vbus*/
gpio_set_value(EVK_OTG_VBUS, 1);
else if (board_is_mx53_evk_b()) /* rev B,"0" disable,"1" enable Vbus*/
gpio_set_value(EVK_OTG_VBUS, 0);
gpio_request(EVK_SD1_CD, "sdhc1-cd");
gpio_direction_input(EVK_SD1_CD); /* SD1 CD */
gpio_request(EVK_SD1_WP, "sdhc1-wp");
gpio_direction_input(EVK_SD1_WP); /* SD1 WP */
/* SD3 CD */
gpio_request(EVK_SD3_CD, "sdhc3-cd");
gpio_direction_input(EVK_SD3_CD);
/* SD3 WP */
gpio_request(EVK_SD3_WP, "sdhc3-wp");
gpio_direction_input(EVK_SD3_WP);
/* reset FEC PHY */
gpio_request(EVK_FEC_PHY_RESET, "fec-phy-reset");
gpio_direction_output(EVK_FEC_PHY_RESET, 0);
msleep(1);
gpio_set_value(EVK_FEC_PHY_RESET, 1);
gpio_request(MX53_ESAI_RESET, "fesai-reset");
gpio_direction_output(MX53_ESAI_RESET, 0);
}
/* DVI Detect */
gpio_request(MX53_DVI_DETECT, "dvi-detect");
gpio_direction_input(MX53_DVI_DETECT);
/* DVI Reset - Assert for i2c disabled mode */
gpio_request(MX53_DVI_RESET, "dvi-reset");
gpio_direction_output(MX53_DVI_RESET, 0);
/* DVI Power-down */
gpio_request(MX53_DVI_PD, "dvi-pd");
gpio_direction_output(MX53_DVI_PD, 1);
/* DVI I2C enable */
gpio_request(MX53_DVI_I2C, "dvi-i2c");
gpio_direction_output(MX53_DVI_I2C, 0);
mxc_iomux_v3_setup_multiple_pads(mx53_nand_pads,
ARRAY_SIZE(mx53_nand_pads));
gpio_request(MX53_PMIC_INT, "pmic-int");
gpio_direction_input(MX53_PMIC_INT); /*PMIC_INT*/
/* headphone_det_b */
gpio_request(MX53_HP_DETECT, "hp-detect");
gpio_direction_input(MX53_HP_DETECT);
/* power key */
/* LCD related gpio */
/* Camera reset */
gpio_request(MX53_CAM_RESET, "cam-reset");
gpio_direction_output(MX53_CAM_RESET, 1);
/* TVIN reset */
gpio_request(MX53_TVIN_RESET, "tvin-reset");
gpio_direction_output(MX53_TVIN_RESET, 0);
msleep(5);
gpio_set_value(MX53_TVIN_RESET, 1);
/* TVin power down */
gpio_request(MX53_TVIN_PWR, "tvin-pwr");
gpio_direction_output(MX53_TVIN_PWR, 0);
/* CAN1 enable GPIO*/
gpio_request(MX53_CAN1_EN1, "can1-en1");
gpio_direction_output(MX53_CAN1_EN1, 0);
gpio_request(MX53_CAN1_EN2, "can1-en2");
gpio_direction_output(MX53_CAN1_EN2, 0);
/* CAN2 enable GPIO*/
gpio_request(MX53_CAN2_EN1, "can2-en1");
gpio_direction_output(MX53_CAN2_EN1, 0);
gpio_request(MX53_CAN2_EN2, "can2-en2");
gpio_direction_output(MX53_CAN2_EN2, 0);
if (enable_spdif) {
iomux_v3_cfg_t spdif_pin = MX53_PAD_GPIO_19__SPDIF_OUT1;
mxc_iomux_v3_setup_pad(spdif_pin);
} else {
/* GPIO for 12V */
gpio_request(MX53_12V_EN, "12v-en");
gpio_direction_output(MX53_12V_EN, 0);
}
}
void __init mx53_evk_io_init(void)
{
int i;
for (i = 0; i < ARRAY_SIZE(mxc_iomux_pins); i++) {
mxc_request_iomux(mxc_iomux_pins[i].pin,
mxc_iomux_pins[i].mux_mode);
if (mxc_iomux_pins[i].pad_cfg)
mxc_iomux_set_pad(mxc_iomux_pins[i].pin,
mxc_iomux_pins[i].pad_cfg);
if (mxc_iomux_pins[i].in_select)
mxc_iomux_set_input(mxc_iomux_pins[i].in_select,
mxc_iomux_pins[i].in_mode);
}
if (board_is_mx53_arm2()) {
/* MX53 ARM2 CPU board */
pr_info("MX53 ARM2 board \n");
for (i = 0; i < ARRAY_SIZE(mx53_arm2_iomux_pins); i++) {
mxc_request_iomux(mx53_arm2_iomux_pins[i].pin,
mx53_arm2_iomux_pins[i].mux_mode);
if (mx53_arm2_iomux_pins[i].pad_cfg)
mxc_iomux_set_pad(mx53_arm2_iomux_pins[i].pin,
mx53_arm2_iomux_pins[i].pad_cfg);
if (mx53_arm2_iomux_pins[i].in_select)
mxc_iomux_set_input(mx53_arm2_iomux_pins[i].in_select,
mx53_arm2_iomux_pins[i].in_mode);
}
/* Config GPIO for OTG VBus */
mxc_iomux_set_pad(MX53_PIN_EIM_D22, PAD_CTL_DRV_HIGH |
PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
gpio_request(IOMUX_TO_GPIO(MX53_PIN_EIM_D22), "gpio3_22");
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_EIM_D22), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_EIM_D22), 1);
gpio_request(IOMUX_TO_GPIO(MX53_PIN_GPIO_1), "gpio1_1");
gpio_direction_input(IOMUX_TO_GPIO(MX53_PIN_GPIO_1)); /* SD1 CD */
gpio_request(IOMUX_TO_GPIO(MX53_PIN_DI0_PIN4), "gpio4_20");
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_DI0_PIN4), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_DI0_PIN4), 1);
} else {
/* MX53 EVK board */
pr_info("MX53 EVK board \n");
for (i = 0; i < ARRAY_SIZE(mx53_evk_iomux_pins); i++) {
mxc_request_iomux(mx53_evk_iomux_pins[i].pin,
mx53_evk_iomux_pins[i].mux_mode);
if (mx53_evk_iomux_pins[i].pad_cfg)
mxc_iomux_set_pad(mx53_evk_iomux_pins[i].pin,
mx53_evk_iomux_pins[i].pad_cfg);
if (mx53_evk_iomux_pins[i].in_select)
mxc_iomux_set_input(mx53_evk_iomux_pins[i].in_select,
mx53_evk_iomux_pins[i].in_mode);
}
/* Host1 Vbus with GPIO high */
mxc_iomux_set_pad(MX53_PIN_ATA_DA_2, PAD_CTL_DRV_HIGH |
PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
gpio_request(IOMUX_TO_GPIO(MX53_PIN_ATA_DA_2), "gpio7_8");
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_ATA_DA_2), 1);
/* shutdown the Host1 Vbus when system bring up,
* Vbus will be opened in Host1 driver's probe function */
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_ATA_DA_2), 0);
/* USB HUB RESET - De-assert USB HUB RESET_N */
mxc_iomux_set_pad(MX53_PIN_CSI0_DATA_EN, PAD_CTL_DRV_HIGH |
PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
gpio_request(IOMUX_TO_GPIO(MX53_PIN_CSI0_DATA_EN), "gpio5_20");
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_CSI0_DATA_EN), 0);
msleep(1);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_CSI0_DATA_EN), 0);
msleep(1);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_CSI0_DATA_EN), 1);
/* Config GPIO for OTG VBus */
mxc_iomux_set_pad(MX53_PIN_EIM_A23, PAD_CTL_DRV_HIGH |
PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
gpio_request(IOMUX_TO_GPIO(MX53_PIN_EIM_A23), "gpio6_6");
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_EIM_A23), 0);
if (board_is_mx53_evk_a()) /*rev A,"1" disable, "0" enable vbus*/
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_EIM_A23), 1);
else if (board_is_mx53_evk_b()) /* rev B,"0" disable,"1" enable Vbus*/
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_EIM_A23), 0);
gpio_request(IOMUX_TO_GPIO(MX53_PIN_EIM_DA13), "gpio3_13");
gpio_direction_input(IOMUX_TO_GPIO(MX53_PIN_EIM_DA13)); /* SD1 CD */
gpio_request(IOMUX_TO_GPIO(MX53_PIN_EIM_DA14), "gpio3_14");
gpio_direction_input(IOMUX_TO_GPIO(MX53_PIN_EIM_DA14)); /* SD1 WP */
/* SD3 CD */
gpio_request(IOMUX_TO_GPIO(MX53_PIN_EIM_DA11), "gpio3_11");
gpio_direction_input(IOMUX_TO_GPIO(MX53_PIN_EIM_DA11));
/* SD3 WP */
gpio_request(IOMUX_TO_GPIO(MX53_PIN_EIM_DA12), "gpio3_12");
gpio_direction_input(IOMUX_TO_GPIO(MX53_PIN_EIM_DA11));
/* reset FEC PHY */
gpio_request(IOMUX_TO_GPIO(MX53_PIN_ATA_DA_0), "gpio7_6");
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_ATA_DA_0), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_ATA_DA_0), 0);
msleep(1);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_ATA_DA_0), 1);
/* CS42888 reset GPIO */
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_GPIO_12), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_GPIO_12), 0);
}
/* DVI Detect */
gpio_request(IOMUX_TO_GPIO(MX53_PIN_EIM_D31), "gpio3_31");
gpio_direction_input(IOMUX_TO_GPIO(MX53_PIN_EIM_D31));
/* DVI Reset - Assert for i2c disabled mode */
gpio_request(IOMUX_TO_GPIO(MX53_PIN_EIM_WAIT), "gpio5_0");
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_EIM_WAIT), 0);
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_EIM_WAIT), 0);
/* DVI Power-down */
gpio_request(IOMUX_TO_GPIO(MX53_PIN_EIM_D24), "gpio3_24");
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_EIM_D24), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_EIM_D24), 1);
/* DVI I2C enable */
gpio_request(IOMUX_TO_GPIO(MX53_PIN_EIM_D28), "gpio3_28");
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_EIM_D28), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_EIM_D28), 0);
for (i = 0; i < ARRAY_SIZE(nand_iomux_pins); i++) {
mxc_request_iomux(nand_iomux_pins[i].pin,
nand_iomux_pins[i].mux_mode);
if (nand_iomux_pins[i].pad_cfg)
mxc_iomux_set_pad(nand_iomux_pins[i].pin,
nand_iomux_pins[i].pad_cfg);
if (nand_iomux_pins[i].in_select)
mxc_iomux_set_input(nand_iomux_pins[i].in_select,
nand_iomux_pins[i].in_mode);
}
gpio_request(IOMUX_TO_GPIO(MX53_PIN_GPIO_16), "gpio7_11");
gpio_direction_input(IOMUX_TO_GPIO(MX53_PIN_GPIO_16)); /*PMIC_INT*/
/* headphone_det_b */
mxc_request_iomux(MX53_PIN_ATA_DATA5, IOMUX_CONFIG_GPIO);
mxc_iomux_set_pad(MX53_PIN_ATA_DATA5, PAD_CTL_100K_PU);
gpio_request(IOMUX_TO_GPIO(MX53_PIN_ATA_DATA5), "gpio2_5");
gpio_direction_input(IOMUX_TO_GPIO(MX53_PIN_ATA_DATA5));
/* power key */
/* LCD related gpio */
/* Camera reset */
gpio_request(IOMUX_TO_GPIO(MX53_PIN_GPIO_10), "gpio4_0");
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_GPIO_10), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_GPIO_10), 1);
/* TVIN reset */
gpio_request(IOMUX_TO_GPIO(MX53_PIN_CSI0_D7), "gpio5_25");
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_CSI0_D7), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_CSI0_D7), 0);
msleep(5);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_CSI0_D7), 1);
/* CAN1 enable GPIO*/
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_GPIO_18), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_GPIO_18), 0);
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_GPIO_17), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_GPIO_17), 0);
/* CAN2 enable GPIO*/
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_CSI0_D6), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_CSI0_D6), 0);
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_GPIO_14), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_GPIO_14), 0);
if (enable_spdif) {
mxc_free_iomux(MX53_PIN_GPIO_19, IOMUX_CONFIG_ALT1);
mxc_request_iomux(MX53_PIN_GPIO_19, IOMUX_CONFIG_ALT3);
mxc_iomux_set_pad(MX53_PIN_GPIO_19,
PAD_CTL_DRV_HIGH | PAD_CTL_HYS_ENABLE |
PAD_CTL_PUE_PULL | PAD_CTL_100K_PU |
PAD_CTL_PKE_ENABLE);
} else {
/* GPIO for CAN 12V */
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_GPIO_19), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_GPIO_19), 0);
}
}
void __init mx53_evk_io_init(void)
{
int i;
for (i = 0; i < ARRAY_SIZE(mxc_iomux_pins); i++) {
mxc_request_iomux(mxc_iomux_pins[i].pin,
mxc_iomux_pins[i].mux_mode);
if (mxc_iomux_pins[i].pad_cfg)
mxc_iomux_set_pad(mxc_iomux_pins[i].pin,
mxc_iomux_pins[i].pad_cfg);
if (mxc_iomux_pins[i].in_select)
mxc_iomux_set_input(mxc_iomux_pins[i].in_select,
mxc_iomux_pins[i].in_mode);
}
if (board_is_mx53_arm2()) {
/* MX53 ARM2 CPU board */
pr_info("MX53 ARM2 board \n");
for (i = 0; i < ARRAY_SIZE(mx53_arm2_iomux_pins); i++) {
mxc_request_iomux(mx53_arm2_iomux_pins[i].pin,
mx53_arm2_iomux_pins[i].mux_mode);
if (mx53_arm2_iomux_pins[i].pad_cfg)
mxc_iomux_set_pad(mx53_arm2_iomux_pins[i].pin,
mx53_arm2_iomux_pins[i].pad_cfg);
if (mx53_arm2_iomux_pins[i].in_select)
mxc_iomux_set_input(mx53_arm2_iomux_pins[i].in_select,
mx53_arm2_iomux_pins[i].in_mode);
}
/* Enable OTG VBus with GPIO low */
mxc_iomux_set_pad(MX53_PIN_EIM_D22, PAD_CTL_DRV_HIGH |
PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
gpio_request(IOMUX_TO_GPIO(MX53_PIN_EIM_D22), "gpio3_22");
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_EIM_D22), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_EIM_D22), 0);
gpio_request(IOMUX_TO_GPIO(MX53_PIN_GPIO_1), "gpio1_1");
gpio_direction_input(IOMUX_TO_GPIO(MX53_PIN_GPIO_1)); /* SD1 CD */
gpio_request(IOMUX_TO_GPIO(MX53_PIN_DI0_PIN4), "gpio4_20");
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_DI0_PIN4), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_DI0_PIN4), 1);
} else {
/* MX53 EVK board */
pr_info("MX53 EVK board \n");
for (i = 0; i < ARRAY_SIZE(mx53_evk_iomux_pins); i++) {
mxc_request_iomux(mx53_evk_iomux_pins[i].pin,
mx53_evk_iomux_pins[i].mux_mode);
if (mx53_evk_iomux_pins[i].pad_cfg)
mxc_iomux_set_pad(mx53_evk_iomux_pins[i].pin,
mx53_evk_iomux_pins[i].pad_cfg);
if (mx53_evk_iomux_pins[i].in_select)
mxc_iomux_set_input(mx53_evk_iomux_pins[i].in_select,
mx53_evk_iomux_pins[i].in_mode);
}
/* Host1 Vbus with GPIO high */
mxc_iomux_set_pad(MX53_PIN_ATA_DA_2, PAD_CTL_DRV_HIGH |
PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
gpio_request(IOMUX_TO_GPIO(MX53_PIN_ATA_DA_2), "gpio7_8");
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_ATA_DA_2), 1);
/* USB HUB RESET - De-assert USB HUB RESET_N */
mxc_iomux_set_pad(MX53_PIN_CSI0_DATA_EN, PAD_CTL_DRV_HIGH |
PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
gpio_request(IOMUX_TO_GPIO(MX53_PIN_CSI0_DATA_EN), "gpio5_20");
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_CSI0_DATA_EN), 0);
msleep(1);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_CSI0_DATA_EN), 0);
msleep(1);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_CSI0_DATA_EN), 1);
/* Enable OTG VBus with GPIO low */
mxc_iomux_set_pad(MX53_PIN_EIM_A23, PAD_CTL_DRV_HIGH |
PAD_CTL_PKE_ENABLE | PAD_CTL_SRE_FAST);
gpio_request(IOMUX_TO_GPIO(MX53_PIN_EIM_A23), "gpio6_6");
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_EIM_A23), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_EIM_A23), 0);
gpio_request(IOMUX_TO_GPIO(MX53_PIN_EIM_DA13), "gpio3_13");
gpio_direction_input(IOMUX_TO_GPIO(MX53_PIN_EIM_DA13)); /* SD1 CD */
gpio_request(IOMUX_TO_GPIO(MX53_PIN_EIM_DA14), "gpio3_14");
gpio_direction_input(IOMUX_TO_GPIO(MX53_PIN_EIM_DA14)); /* SD1 WP */
/* SD3 CD */
gpio_request(IOMUX_TO_GPIO(MX53_PIN_EIM_DA11), "gpio3_11");
gpio_direction_input(IOMUX_TO_GPIO(MX53_PIN_EIM_DA11));
/* SD3 WP */
gpio_request(IOMUX_TO_GPIO(MX53_PIN_EIM_DA12), "gpio3_12");
gpio_direction_input(IOMUX_TO_GPIO(MX53_PIN_EIM_DA11));
/* reset FEC PHY */
gpio_request(IOMUX_TO_GPIO(MX53_PIN_ATA_DA_0), "gpio7_6");
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_ATA_DA_0), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_ATA_DA_0), 0);
msleep(1);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_ATA_DA_0), 1);
}
/* DVI Detect */
gpio_request(IOMUX_TO_GPIO(MX53_PIN_EIM_D31), "gpio3_31");
gpio_direction_input(IOMUX_TO_GPIO(MX53_PIN_EIM_D31));
/* DVI Reset - Assert for i2c disabled mode */
gpio_request(IOMUX_TO_GPIO(MX53_PIN_EIM_WAIT), "gpio5_0");
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_EIM_WAIT), 0);
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_EIM_WAIT), 0);
/* DVI Power-down */
gpio_request(IOMUX_TO_GPIO(MX53_PIN_EIM_D24), "gpio3_24");
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_EIM_D24), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_EIM_D24), 1);
/* DVI I2C enable */
gpio_request(IOMUX_TO_GPIO(MX53_PIN_EIM_D28), "gpio3_28");
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_EIM_D28), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_EIM_D28), 0);
for (i = 0; i < ARRAY_SIZE(nand_iomux_pins); i++) {
mxc_request_iomux(nand_iomux_pins[i].pin,
nand_iomux_pins[i].mux_mode);
if (nand_iomux_pins[i].pad_cfg)
mxc_iomux_set_pad(nand_iomux_pins[i].pin,
nand_iomux_pins[i].pad_cfg);
if (nand_iomux_pins[i].in_select)
mxc_iomux_set_input(nand_iomux_pins[i].in_select,
nand_iomux_pins[i].in_mode);
}
gpio_request(IOMUX_TO_GPIO(MX53_PIN_GPIO_16), "gpio7_11");
gpio_direction_input(IOMUX_TO_GPIO(MX53_PIN_GPIO_16)); /*PMIC_INT*/
/* headphone_det_b */
mxc_request_iomux(MX53_PIN_ATA_DATA5, IOMUX_CONFIG_GPIO);
mxc_iomux_set_pad(MX53_PIN_ATA_DATA5, PAD_CTL_100K_PU);
gpio_request(IOMUX_TO_GPIO(MX53_PIN_ATA_DATA5), "gpio2_5");
gpio_direction_input(IOMUX_TO_GPIO(MX53_PIN_ATA_DATA5));
/* power key */
/* LCD related gpio */
/* Camera reset */
gpio_request(IOMUX_TO_GPIO(MX53_PIN_GPIO_10), "gpio4_0");
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_GPIO_10), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_GPIO_10), 1);
/* Camera low power */
gpio_request(IOMUX_TO_GPIO(MX53_PIN_CSI0_D5), "gpio5_23");
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_CSI0_D5), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_CSI0_D5), 0);
/* CAN1 enable GPIO*/
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_GPIO_18), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_GPIO_18), 0);
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_GPIO_17), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_GPIO_17), 0);
/* CAN2 enable GPIO*/
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_CSI0_D6), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_CSI0_D6), 0);
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_GPIO_14), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_GPIO_14), 0);
/* GPIO for 12V */
gpio_direction_output(IOMUX_TO_GPIO(MX53_PIN_GPIO_19), 0);
gpio_set_value(IOMUX_TO_GPIO(MX53_PIN_GPIO_19), 0);
}