/* * Copyright (C) 2012 Freescale Semiconductor, Inc. All Rights Reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "usb.h" #include "devices-imx6q.h" #include "crm_regs.h" #include "cpu_op-mx6.h" #include "board-mx6sl_common.h" static int spdc_sel; static int max17135_regulator_init(struct max17135 *max17135); struct clk *extern_audio_root; extern char *gp_reg_id; extern char *soc_reg_id; extern char *pu_reg_id; extern int __init mx6sl_evk_init_pfuze100(u32 int_gpio); enum sd_pad_mode { SD_PAD_MODE_LOW_SPEED, SD_PAD_MODE_MED_SPEED, SD_PAD_MODE_HIGH_SPEED, }; static int plt_sd_pad_change(unsigned int index, int clock) { /* LOW speed is the default state of SD pads */ static enum sd_pad_mode pad_mode = SD_PAD_MODE_LOW_SPEED; iomux_v3_cfg_t *sd_pads_200mhz = NULL; iomux_v3_cfg_t *sd_pads_100mhz = NULL; iomux_v3_cfg_t *sd_pads_50mhz = NULL; u32 sd_pads_200mhz_cnt; u32 sd_pads_100mhz_cnt; u32 sd_pads_50mhz_cnt; switch (index) { case 0: sd_pads_200mhz = mx6sl_sd1_200mhz; sd_pads_100mhz = mx6sl_sd1_100mhz; sd_pads_50mhz = mx6sl_sd1_50mhz; sd_pads_200mhz_cnt = ARRAY_SIZE(mx6sl_sd1_200mhz); sd_pads_100mhz_cnt = ARRAY_SIZE(mx6sl_sd1_100mhz); sd_pads_50mhz_cnt = ARRAY_SIZE(mx6sl_sd1_50mhz); break; case 1: sd_pads_200mhz = mx6sl_sd2_200mhz; sd_pads_100mhz = mx6sl_sd2_100mhz; sd_pads_50mhz = mx6sl_sd2_50mhz; sd_pads_200mhz_cnt = ARRAY_SIZE(mx6sl_sd2_200mhz); sd_pads_100mhz_cnt = ARRAY_SIZE(mx6sl_sd2_100mhz); sd_pads_50mhz_cnt = ARRAY_SIZE(mx6sl_sd2_50mhz); break; case 2: sd_pads_200mhz = mx6sl_sd3_200mhz; sd_pads_100mhz = mx6sl_sd3_100mhz; sd_pads_50mhz = mx6sl_sd3_50mhz; sd_pads_200mhz_cnt = ARRAY_SIZE(mx6sl_sd3_200mhz); sd_pads_100mhz_cnt = ARRAY_SIZE(mx6sl_sd3_100mhz); sd_pads_50mhz_cnt = ARRAY_SIZE(mx6sl_sd3_50mhz); break; default: printk(KERN_ERR "no such SD host controller index %d\n", index); return -EINVAL; } if (clock > 100000000) { if (pad_mode == SD_PAD_MODE_HIGH_SPEED) return 0; BUG_ON(!sd_pads_200mhz); pad_mode = SD_PAD_MODE_HIGH_SPEED; return mxc_iomux_v3_setup_multiple_pads(sd_pads_200mhz, sd_pads_200mhz_cnt); } else if (clock > 52000000) { if (pad_mode == SD_PAD_MODE_MED_SPEED) return 0; BUG_ON(!sd_pads_100mhz); pad_mode = SD_PAD_MODE_MED_SPEED; return mxc_iomux_v3_setup_multiple_pads(sd_pads_100mhz, sd_pads_100mhz_cnt); } else { if (pad_mode == SD_PAD_MODE_LOW_SPEED) return 0; BUG_ON(!sd_pads_50mhz); pad_mode = SD_PAD_MODE_LOW_SPEED; return mxc_iomux_v3_setup_multiple_pads(sd_pads_50mhz, sd_pads_50mhz_cnt); } } static const struct esdhc_platform_data mx6_evk_sd1_data __initconst = { .cd_gpio = MX6_BRD_SD1_CD, .wp_gpio = MX6_BRD_SD1_WP, .support_8bit = 1, .support_18v = 1, .keep_power_at_suspend = 1, .delay_line = 0, .platform_pad_change = plt_sd_pad_change, }; static const struct esdhc_platform_data mx6_evk_sd2_data __initconst = { .cd_gpio = MX6_BRD_SD2_CD, .wp_gpio = MX6_BRD_SD2_WP, .keep_power_at_suspend = 1, .delay_line = 0, .support_18v = 1, .platform_pad_change = plt_sd_pad_change, }; static const struct esdhc_platform_data mx6_evk_sd3_data __initconst = { .cd_gpio = MX6_BRD_SD3_CD, .wp_gpio = -1, .keep_power_at_suspend = 1, .delay_line = 0, .support_18v = 1, .platform_pad_change = plt_sd_pad_change, }; #define mV_to_uV(mV) (mV * 1000) #define uV_to_mV(uV) (uV / 1000) #define V_to_uV(V) (mV_to_uV(V * 1000)) #define uV_to_V(uV) (uV_to_mV(uV) / 1000) static struct regulator_consumer_supply evk_vmmc_consumers[] = { REGULATOR_SUPPLY("vmmc", "sdhci-esdhc-imx.0"), REGULATOR_SUPPLY("vmmc", "sdhci-esdhc-imx.1"), REGULATOR_SUPPLY("vmmc", "sdhci-esdhc-imx.2"), }; static struct regulator_init_data evk_vmmc_init = { .num_consumer_supplies = ARRAY_SIZE(evk_vmmc_consumers), .consumer_supplies = evk_vmmc_consumers, }; static struct fixed_voltage_config evk_vmmc_reg_config = { .supply_name = "vmmc", .microvolts = 3300000, .gpio = -1, .init_data = &evk_vmmc_init, }; static struct platform_device evk_vmmc_reg_devices = { .name = "reg-fixed-voltage", .id = 0, .dev = { .platform_data = &evk_vmmc_reg_config, }, }; static struct regulator_consumer_supply display_consumers[] = { { /* MAX17135 */ .supply = "DISPLAY", }, }; static struct regulator_consumer_supply vcom_consumers[] = { { /* MAX17135 */ .supply = "VCOM", }, }; static struct regulator_consumer_supply v3p3_consumers[] = { { /* MAX17135 */ .supply = "V3P3", }, }; static struct regulator_init_data max17135_init_data[] = { { .constraints = { .name = "DISPLAY", .valid_ops_mask = REGULATOR_CHANGE_STATUS, }, .num_consumer_supplies = ARRAY_SIZE(display_consumers), .consumer_supplies = display_consumers, }, { .constraints = { .name = "GVDD", .min_uV = V_to_uV(20), .max_uV = V_to_uV(20), }, }, { .constraints = { .name = "GVEE", .min_uV = V_to_uV(-22), .max_uV = V_to_uV(-22), }, }, { .constraints = { .name = "HVINN", .min_uV = V_to_uV(-22), .max_uV = V_to_uV(-22), }, }, { .constraints = { .name = "HVINP", .min_uV = V_to_uV(20), .max_uV = V_to_uV(20), }, }, { .constraints = { .name = "VCOM", .min_uV = mV_to_uV(-4325), .max_uV = mV_to_uV(-500), .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | REGULATOR_CHANGE_STATUS, }, .num_consumer_supplies = ARRAY_SIZE(vcom_consumers), .consumer_supplies = vcom_consumers, }, { .constraints = { .name = "VNEG", .min_uV = V_to_uV(-15), .max_uV = V_to_uV(-15), }, }, { .constraints = { .name = "VPOS", .min_uV = V_to_uV(15), .max_uV = V_to_uV(15), }, }, { .constraints = { .name = "V3P3", .valid_ops_mask = REGULATOR_CHANGE_STATUS, }, .num_consumer_supplies = ARRAY_SIZE(v3p3_consumers), .consumer_supplies = v3p3_consumers, }, }; static const struct anatop_thermal_platform_data mx6sl_anatop_thermal_data __initconst = { .name = "anatop_thermal", }; static struct platform_device max17135_sensor_device = { .name = "max17135_sensor", .id = 0, }; static struct max17135_platform_data max17135_pdata __initdata = { .vneg_pwrup = 1, .gvee_pwrup = 1, .vpos_pwrup = 2, .gvdd_pwrup = 1, .gvdd_pwrdn = 1, .vpos_pwrdn = 2, .gvee_pwrdn = 1, .vneg_pwrdn = 1, .gpio_pmic_pwrgood = MX6SL_BRD_EPDC_PWRSTAT, .gpio_pmic_vcom_ctrl = MX6SL_BRD_EPDC_VCOM, .gpio_pmic_wakeup = MX6SL_BRD_EPDC_PMIC_WAKE, .gpio_pmic_v3p3 = MX6SL_BRD_EPDC_PWRCTRL0, .gpio_pmic_intr = MX6SL_BRD_EPDC_PMIC_INT, .regulator_init = max17135_init_data, .init = max17135_regulator_init, }; static int __init max17135_regulator_init(struct max17135 *max17135) { struct max17135_platform_data *pdata = &max17135_pdata; int i, ret; max17135->gvee_pwrup = pdata->gvee_pwrup; max17135->vneg_pwrup = pdata->vneg_pwrup; max17135->vpos_pwrup = pdata->vpos_pwrup; max17135->gvdd_pwrup = pdata->gvdd_pwrup; max17135->gvdd_pwrdn = pdata->gvdd_pwrdn; max17135->vpos_pwrdn = pdata->vpos_pwrdn; max17135->vneg_pwrdn = pdata->vneg_pwrdn; max17135->gvee_pwrdn = pdata->gvee_pwrdn; max17135->max_wait = pdata->vpos_pwrup + pdata->vneg_pwrup + pdata->gvdd_pwrup + pdata->gvee_pwrup; max17135->gpio_pmic_pwrgood = pdata->gpio_pmic_pwrgood; max17135->gpio_pmic_vcom_ctrl = pdata->gpio_pmic_vcom_ctrl; max17135->gpio_pmic_wakeup = pdata->gpio_pmic_wakeup; max17135->gpio_pmic_v3p3 = pdata->gpio_pmic_v3p3; max17135->gpio_pmic_intr = pdata->gpio_pmic_intr; gpio_request(max17135->gpio_pmic_wakeup, "epdc-pmic-wake"); gpio_direction_output(max17135->gpio_pmic_wakeup, 0); gpio_request(max17135->gpio_pmic_vcom_ctrl, "epdc-vcom"); gpio_direction_output(max17135->gpio_pmic_vcom_ctrl, 0); gpio_request(max17135->gpio_pmic_v3p3, "epdc-v3p3"); gpio_direction_output(max17135->gpio_pmic_v3p3, 0); gpio_request(max17135->gpio_pmic_intr, "epdc-pmic-int"); gpio_direction_input(max17135->gpio_pmic_intr); gpio_request(max17135->gpio_pmic_pwrgood, "epdc-pwrstat"); gpio_direction_input(max17135->gpio_pmic_pwrgood); max17135->vcom_setup = false; max17135->init_done = false; for (i = 0; i < MAX17135_NUM_REGULATORS; i++) { ret = max17135_register_regulator(max17135, i, &pdata->regulator_init[i]); if (ret != 0) { printk(KERN_ERR"max17135 regulator init failed: %d\n", ret); return ret; } } /* * TODO: We cannot enable full constraints for now, since * it results in the PFUZE regulators being disabled * at the end of boot, which disables critical regulators. */ /*regulator_has_full_constraints();*/ return 0; } static int mx6_evk_spi_cs[] = { MX6_BRD_ECSPI1_CS0, }; static const struct spi_imx_master mx6_evk_spi_data __initconst = { .chipselect = mx6_evk_spi_cs, .num_chipselect = ARRAY_SIZE(mx6_evk_spi_cs), }; #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE) static struct mtd_partition m25p32_partitions[] = { { .name = "bootloader", .offset = 0, .size = 0x00100000, }, { .name = "kernel", .offset = MTDPART_OFS_APPEND, .size = MTDPART_SIZ_FULL, }, }; static struct flash_platform_data m25p32_spi_flash_data = { .name = "m25p32", .parts = m25p32_partitions, .nr_parts = ARRAY_SIZE(m25p32_partitions), .type = "m25p32", }; static struct spi_board_info m25p32_spi0_board_info[] __initdata = { { /* The modalias must be the same as spi device driver name */ .modalias = "m25p80", .max_speed_hz = 20000000, .bus_num = 0, .chip_select = 0, .platform_data = &m25p32_spi_flash_data, }, }; #endif static void spi_device_init(void) { #if defined(CONFIG_MTD_M25P80) || defined(CONFIG_MTD_M25P80_MODULE) spi_register_board_info(m25p32_spi0_board_info, ARRAY_SIZE(m25p32_spi0_board_info)); #endif } static struct imx_ssi_platform_data mx6_sabresd_ssi_pdata = { .flags = IMX_SSI_DMA | IMX_SSI_SYN, }; static struct mxc_audio_platform_data wm8962_data; static struct platform_device mx6_sabresd_audio_wm8962_device = { .name = "imx-wm8962", }; static struct wm8962_pdata wm8962_config_data = { }; static int wm8962_clk_enable(int enable) { if (enable) clk_enable(extern_audio_root); else clk_disable(extern_audio_root); return 0; } static int mxc_wm8962_init(void) { struct clk *pll4; int rate; extern_audio_root = clk_get(NULL, "extern_audio_clk"); if (IS_ERR(extern_audio_root)) { pr_err("can't get extern_audio_root clock.\n"); return PTR_ERR(extern_audio_root); } pll4 = clk_get(NULL, "pll4"); if (IS_ERR(pll4)) { pr_err("can't get pll4 clock.\n"); return PTR_ERR(pll4); } clk_set_parent(extern_audio_root, pll4); rate = clk_round_rate(extern_audio_root, 26000000); clk_set_rate(extern_audio_root, rate); wm8962_data.sysclk = rate; /* set AUDMUX pads to 1.8v */ mxc_iomux_set_specialbits_register(MX6SL_PAD_AUD_MCLK, PAD_CTL_LVE, PAD_CTL_LVE_MASK); mxc_iomux_set_specialbits_register(MX6SL_PAD_AUD_RXD, PAD_CTL_LVE, PAD_CTL_LVE_MASK); mxc_iomux_set_specialbits_register(MX6SL_PAD_AUD_TXC, PAD_CTL_LVE, PAD_CTL_LVE_MASK); mxc_iomux_set_specialbits_register(MX6SL_PAD_AUD_TXD, PAD_CTL_LVE, PAD_CTL_LVE_MASK); mxc_iomux_set_specialbits_register(MX6SL_PAD_AUD_TXFS, PAD_CTL_LVE, PAD_CTL_LVE_MASK); return 0; } static struct mxc_audio_platform_data wm8962_data = { .ssi_num = 1, .src_port = 2, .ext_port = 3, .hp_gpio = MX6_BRD_HEADPHONE_DET, .hp_active_low = 1, .mic_gpio = -1, .mic_active_low = 1, .init = mxc_wm8962_init, .clock_enable = wm8962_clk_enable, }; static struct regulator_consumer_supply sabresd_vwm8962_consumers[] = { REGULATOR_SUPPLY("SPKVDD1", "1-001a"), REGULATOR_SUPPLY("SPKVDD2", "1-001a"), }; static struct regulator_init_data sabresd_vwm8962_init = { .constraints = { .name = "SPKVDD", .valid_ops_mask = REGULATOR_CHANGE_STATUS, .boot_on = 1, }, .num_consumer_supplies = ARRAY_SIZE(sabresd_vwm8962_consumers), .consumer_supplies = sabresd_vwm8962_consumers, }; static struct fixed_voltage_config sabresd_vwm8962_reg_config = { .supply_name = "SPKVDD", .microvolts = 4325000, .gpio = -1, .enabled_at_boot = 1, .init_data = &sabresd_vwm8962_init, }; static struct platform_device sabresd_vwm8962_reg_devices = { .name = "reg-fixed-voltage", .id = 4, .dev = { .platform_data = &sabresd_vwm8962_reg_config, }, }; static int __init imx6q_init_audio(void) { platform_device_register(&sabresd_vwm8962_reg_devices); mxc_register_device(&mx6_sabresd_audio_wm8962_device, &wm8962_data); imx6q_add_imx_ssi(1, &mx6_sabresd_ssi_pdata); return 0; } static struct imxi2c_platform_data mx6_evk_i2c0_data = { .bitrate = 100000, }; static struct imxi2c_platform_data mx6_evk_i2c1_data = { .bitrate = 100000, }; static struct imxi2c_platform_data mx6_evk_i2c2_data = { .bitrate = 400000, }; static struct i2c_board_info mxc_i2c0_board_info[] __initdata = { { I2C_BOARD_INFO("max17135", 0x48), .platform_data = &max17135_pdata, }, { I2C_BOARD_INFO("elan-touch", 0x10), .irq = gpio_to_irq(MX6SL_BRD_ELAN_INT), }, { I2C_BOARD_INFO("mma8450", 0x1c), }, }; static struct i2c_board_info mxc_i2c1_board_info[] __initdata = { { I2C_BOARD_INFO("wm8962", 0x1a), .platform_data = &wm8962_config_data, }, }; static struct i2c_board_info mxc_i2c2_board_info[] __initdata = { { }, }; static struct mxc_dvfs_platform_data mx6sl_evk_dvfscore_data = { #ifdef CONFIG_MX6_INTER_LDO_BYPASS .reg_id = "VDDCORE", .soc_id = "VDDSOC", #else .reg_id = "cpu_vddgp", .soc_id = "cpu_vddsoc", .pu_id = "cpu_vddvpu", #endif .clk1_id = "cpu_clk", .clk2_id = "gpc_dvfs_clk", .gpc_cntr_offset = MXC_GPC_CNTR_OFFSET, .ccm_cdcr_offset = MXC_CCM_CDCR_OFFSET, .ccm_cacrr_offset = MXC_CCM_CACRR_OFFSET, .ccm_cdhipr_offset = MXC_CCM_CDHIPR_OFFSET, .prediv_mask = 0x1F800, .prediv_offset = 11, .prediv_val = 3, .div3ck_mask = 0xE0000000, .div3ck_offset = 29, .div3ck_val = 2, .emac_val = 0x08, .upthr_val = 25, .dnthr_val = 9, .pncthr_val = 33, .upcnt_val = 10, .dncnt_val = 10, .delay_time = 80, }; static struct viv_gpu_platform_data imx6q_gpu_pdata __initdata = { .reserved_mem_size = SZ_128M, }; void __init early_console_setup(unsigned long base, struct clk *clk); static inline void mx6_evk_init_uart(void) { imx6q_add_imx_uart(0, NULL); /* DEBUG UART1 */ } static int mx6sl_evk_fec_phy_init(struct phy_device *phydev) { int val; /* power on FEC phy and reset phy */ gpio_request(MX6_BRD_FEC_PWR_EN, "fec-pwr"); gpio_direction_output(MX6_BRD_FEC_PWR_EN, 0); /* wait RC ms for hw reset */ msleep(1); gpio_direction_output(MX6_BRD_FEC_PWR_EN, 1); /* check phy power */ val = phy_read(phydev, 0x0); if (val & BMCR_PDOWN) phy_write(phydev, 0x0, (val & ~BMCR_PDOWN)); return 0; } static struct fec_platform_data fec_data __initdata = { .init = mx6sl_evk_fec_phy_init, .phy = PHY_INTERFACE_MODE_RMII, }; static int epdc_get_pins(void) { int ret = 0; /* Claim GPIOs for EPDC pins - used during power up/down */ ret |= gpio_request(MX6SL_BRD_EPDC_SDDO_0, "epdc_d0"); ret |= gpio_request(MX6SL_BRD_EPDC_SDDO_1, "epdc_d1"); ret |= gpio_request(MX6SL_BRD_EPDC_SDDO_2, "epdc_d2"); ret |= gpio_request(MX6SL_BRD_EPDC_SDDO_3, "epdc_d3"); ret |= gpio_request(MX6SL_BRD_EPDC_SDDO_4, "epdc_d4"); ret |= gpio_request(MX6SL_BRD_EPDC_SDDO_5, "epdc_d5"); ret |= gpio_request(MX6SL_BRD_EPDC_SDDO_6, "epdc_d6"); ret |= gpio_request(MX6SL_BRD_EPDC_SDDO_7, "epdc_d7"); ret |= gpio_request(MX6SL_BRD_EPDC_GDCLK, "epdc_gdclk"); ret |= gpio_request(MX6SL_BRD_EPDC_GDSP, "epdc_gdsp"); ret |= gpio_request(MX6SL_BRD_EPDC_GDOE, "epdc_gdoe"); ret |= gpio_request(MX6SL_BRD_EPDC_GDRL, "epdc_gdrl"); ret |= gpio_request(MX6SL_BRD_EPDC_SDCLK, "epdc_sdclk"); ret |= gpio_request(MX6SL_BRD_EPDC_SDOE, "epdc_sdoe"); ret |= gpio_request(MX6SL_BRD_EPDC_SDLE, "epdc_sdle"); ret |= gpio_request(MX6SL_BRD_EPDC_SDSHR, "epdc_sdshr"); ret |= gpio_request(MX6SL_BRD_EPDC_BDR0, "epdc_bdr0"); ret |= gpio_request(MX6SL_BRD_EPDC_SDCE0, "epdc_sdce0"); ret |= gpio_request(MX6SL_BRD_EPDC_SDCE1, "epdc_sdce1"); ret |= gpio_request(MX6SL_BRD_EPDC_SDCE2, "epdc_sdce2"); return ret; } static void epdc_put_pins(void) { gpio_free(MX6SL_BRD_EPDC_SDDO_0); gpio_free(MX6SL_BRD_EPDC_SDDO_1); gpio_free(MX6SL_BRD_EPDC_SDDO_2); gpio_free(MX6SL_BRD_EPDC_SDDO_3); gpio_free(MX6SL_BRD_EPDC_SDDO_4); gpio_free(MX6SL_BRD_EPDC_SDDO_5); gpio_free(MX6SL_BRD_EPDC_SDDO_6); gpio_free(MX6SL_BRD_EPDC_SDDO_7); gpio_free(MX6SL_BRD_EPDC_GDCLK); gpio_free(MX6SL_BRD_EPDC_GDSP); gpio_free(MX6SL_BRD_EPDC_GDOE); gpio_free(MX6SL_BRD_EPDC_GDRL); gpio_free(MX6SL_BRD_EPDC_SDCLK); gpio_free(MX6SL_BRD_EPDC_SDOE); gpio_free(MX6SL_BRD_EPDC_SDLE); gpio_free(MX6SL_BRD_EPDC_SDSHR); gpio_free(MX6SL_BRD_EPDC_BDR0); gpio_free(MX6SL_BRD_EPDC_SDCE0); gpio_free(MX6SL_BRD_EPDC_SDCE1); gpio_free(MX6SL_BRD_EPDC_SDCE2); } static void epdc_enable_pins(void) { /* Configure MUX settings to enable EPDC use */ mxc_iomux_v3_setup_multiple_pads(mx6sl_brd_epdc_enable_pads, \ ARRAY_SIZE(mx6sl_brd_epdc_enable_pads)); gpio_direction_input(MX6SL_BRD_EPDC_SDDO_0); gpio_direction_input(MX6SL_BRD_EPDC_SDDO_1); gpio_direction_input(MX6SL_BRD_EPDC_SDDO_2); gpio_direction_input(MX6SL_BRD_EPDC_SDDO_3); gpio_direction_input(MX6SL_BRD_EPDC_SDDO_4); gpio_direction_input(MX6SL_BRD_EPDC_SDDO_5); gpio_direction_input(MX6SL_BRD_EPDC_SDDO_6); gpio_direction_input(MX6SL_BRD_EPDC_SDDO_7); gpio_direction_input(MX6SL_BRD_EPDC_GDCLK); gpio_direction_input(MX6SL_BRD_EPDC_GDSP); gpio_direction_input(MX6SL_BRD_EPDC_GDOE); gpio_direction_input(MX6SL_BRD_EPDC_GDRL); gpio_direction_input(MX6SL_BRD_EPDC_SDCLK); gpio_direction_input(MX6SL_BRD_EPDC_SDOE); gpio_direction_input(MX6SL_BRD_EPDC_SDLE); gpio_direction_input(MX6SL_BRD_EPDC_SDSHR); gpio_direction_input(MX6SL_BRD_EPDC_BDR0); gpio_direction_input(MX6SL_BRD_EPDC_SDCE0); gpio_direction_input(MX6SL_BRD_EPDC_SDCE1); gpio_direction_input(MX6SL_BRD_EPDC_SDCE2); } static void epdc_disable_pins(void) { /* Configure MUX settings for EPDC pins to * GPIO and drive to 0. */ mxc_iomux_v3_setup_multiple_pads(mx6sl_brd_epdc_disable_pads, \ ARRAY_SIZE(mx6sl_brd_epdc_disable_pads)); gpio_direction_output(MX6SL_BRD_EPDC_SDDO_0, 0); gpio_direction_output(MX6SL_BRD_EPDC_SDDO_1, 0); gpio_direction_output(MX6SL_BRD_EPDC_SDDO_2, 0); gpio_direction_output(MX6SL_BRD_EPDC_SDDO_3, 0); gpio_direction_output(MX6SL_BRD_EPDC_SDDO_4, 0); gpio_direction_output(MX6SL_BRD_EPDC_SDDO_5, 0); gpio_direction_output(MX6SL_BRD_EPDC_SDDO_6, 0); gpio_direction_output(MX6SL_BRD_EPDC_SDDO_7, 0); gpio_direction_output(MX6SL_BRD_EPDC_GDCLK, 0); gpio_direction_output(MX6SL_BRD_EPDC_GDSP, 0); gpio_direction_output(MX6SL_BRD_EPDC_GDOE, 0); gpio_direction_output(MX6SL_BRD_EPDC_GDRL, 0); gpio_direction_output(MX6SL_BRD_EPDC_SDCLK, 0); gpio_direction_output(MX6SL_BRD_EPDC_SDOE, 0); gpio_direction_output(MX6SL_BRD_EPDC_SDLE, 0); gpio_direction_output(MX6SL_BRD_EPDC_SDSHR, 0); gpio_direction_output(MX6SL_BRD_EPDC_BDR0, 0); gpio_direction_output(MX6SL_BRD_EPDC_SDCE0, 0); gpio_direction_output(MX6SL_BRD_EPDC_SDCE1, 0); gpio_direction_output(MX6SL_BRD_EPDC_SDCE2, 0); } static struct fb_videomode e60_v110_mode = { .name = "E60_V110", .refresh = 50, .xres = 800, .yres = 600, .pixclock = 18604700, .left_margin = 8, .right_margin = 178, .upper_margin = 4, .lower_margin = 10, .hsync_len = 20, .vsync_len = 4, .sync = 0, .vmode = FB_VMODE_NONINTERLACED, .flag = 0, }; static struct fb_videomode e60_v220_mode = { .name = "E60_V220", .refresh = 85, .xres = 800, .yres = 600, .pixclock = 30000000, .left_margin = 8, .right_margin = 164, .upper_margin = 4, .lower_margin = 8, .hsync_len = 4, .vsync_len = 1, .sync = 0, .vmode = FB_VMODE_NONINTERLACED, .flag = 0, .refresh = 85, .xres = 800, .yres = 600, }; static struct fb_videomode e060scm_mode = { .name = "E060SCM", .refresh = 85, .xres = 800, .yres = 600, .pixclock = 26666667, .left_margin = 8, .right_margin = 100, .upper_margin = 4, .lower_margin = 8, .hsync_len = 4, .vsync_len = 1, .sync = 0, .vmode = FB_VMODE_NONINTERLACED, .flag = 0, }; static struct fb_videomode e97_v110_mode = { .name = "E97_V110", .refresh = 50, .xres = 1200, .yres = 825, .pixclock = 32000000, .left_margin = 12, .right_margin = 128, .upper_margin = 4, .lower_margin = 10, .hsync_len = 20, .vsync_len = 4, .sync = 0, .vmode = FB_VMODE_NONINTERLACED, .flag = 0, }; static struct imx_epdc_fb_mode panel_modes[] = { { &e60_v110_mode, 4, /* vscan_holdoff */ 10, /* sdoed_width */ 20, /* sdoed_delay */ 10, /* sdoez_width */ 20, /* sdoez_delay */ 428, /* gdclk_hp_offs */ 20, /* gdsp_offs */ 0, /* gdoe_offs */ 1, /* gdclk_offs */ 1, /* num_ce */ }, { &e60_v220_mode, 4, /* vscan_holdoff */ 10, /* sdoed_width */ 20, /* sdoed_delay */ 10, /* sdoez_width */ 20, /* sdoez_delay */ 465, /* gdclk_hp_offs */ 20, /* gdsp_offs */ 0, /* gdoe_offs */ 9, /* gdclk_offs */ 1, /* num_ce */ }, { &e060scm_mode, 4, /* vscan_holdoff */ 10, /* sdoed_width */ 20, /* sdoed_delay */ 10, /* sdoez_width */ 20, /* sdoez_delay */ 419, /* gdclk_hp_offs */ 20, /* gdsp_offs */ 0, /* gdoe_offs */ 5, /* gdclk_offs */ 1, /* num_ce */ }, { &e97_v110_mode, 8, /* vscan_holdoff */ 10, /* sdoed_width */ 20, /* sdoed_delay */ 10, /* sdoez_width */ 20, /* sdoez_delay */ 632, /* gdclk_hp_offs */ 20, /* gdsp_offs */ 0, /* gdoe_offs */ 1, /* gdclk_offs */ 3, /* num_ce */ } }; static struct imx_epdc_fb_platform_data epdc_data = { .epdc_mode = panel_modes, .num_modes = ARRAY_SIZE(panel_modes), .get_pins = epdc_get_pins, .put_pins = epdc_put_pins, .enable_pins = epdc_enable_pins, .disable_pins = epdc_disable_pins, }; static int spdc_get_pins(void) { int ret = 0; /* Claim GPIOs for SPDC pins - used during power up/down */ ret |= gpio_request(MX6SL_BRD_EPDC_SDDO_0, "SPDC_D0"); ret |= gpio_request(MX6SL_BRD_EPDC_SDDO_1, "SPDC_D1"); ret |= gpio_request(MX6SL_BRD_EPDC_SDDO_2, "SPDC_D2"); ret |= gpio_request(MX6SL_BRD_EPDC_SDDO_3, "SPDC_D3"); ret |= gpio_request(MX6SL_BRD_EPDC_SDDO_4, "SPDC_D4"); ret |= gpio_request(MX6SL_BRD_EPDC_SDDO_5, "SPDC_D5"); ret |= gpio_request(MX6SL_BRD_EPDC_SDDO_6, "SPDC_D6"); ret |= gpio_request(MX6SL_BRD_EPDC_SDDO_7, "SPDC_D7"); ret |= gpio_request(MX6SL_BRD_EPDC_GDOE, "SIPIX_YOE"); ret |= gpio_request(MX6SL_BRD_EPDC_SDDO_9, "SIPIX_PWR_RDY"); ret |= gpio_request(MX6SL_BRD_EPDC_GDSP, "SIPIX_YDIO"); ret |= gpio_request(MX6SL_BRD_EPDC_GDCLK, "SIPIX_YCLK"); ret |= gpio_request(MX6SL_BRD_EPDC_SDSHR, "SIPIX_XDIO"); ret |= gpio_request(MX6SL_BRD_EPDC_SDLE, "SIPIX_LD"); ret |= gpio_request(MX6SL_BRD_EPDC_SDCE1, "SIPIX_SOE"); ret |= gpio_request(MX6SL_BRD_EPDC_SDCLK, "SIPIX_XCLK"); ret |= gpio_request(MX6SL_BRD_EPDC_SDDO_10, "SIPIX_SHD_N"); ret |= gpio_request(MX6SL_BRD_EPDC_SDCE0, "SIPIX2_CE"); return ret; } static void spdc_put_pins(void) { gpio_free(MX6SL_BRD_EPDC_SDDO_0); gpio_free(MX6SL_BRD_EPDC_SDDO_1); gpio_free(MX6SL_BRD_EPDC_SDDO_2); gpio_free(MX6SL_BRD_EPDC_SDDO_3); gpio_free(MX6SL_BRD_EPDC_SDDO_4); gpio_free(MX6SL_BRD_EPDC_SDDO_5); gpio_free(MX6SL_BRD_EPDC_SDDO_6); gpio_free(MX6SL_BRD_EPDC_SDDO_7); gpio_free(MX6SL_BRD_EPDC_GDOE); gpio_free(MX6SL_BRD_EPDC_SDDO_9); gpio_free(MX6SL_BRD_EPDC_GDSP); gpio_free(MX6SL_BRD_EPDC_GDCLK); gpio_free(MX6SL_BRD_EPDC_SDSHR); gpio_free(MX6SL_BRD_EPDC_SDLE); gpio_free(MX6SL_BRD_EPDC_SDCE1); gpio_free(MX6SL_BRD_EPDC_SDCLK); gpio_free(MX6SL_BRD_EPDC_SDDO_10); gpio_free(MX6SL_BRD_EPDC_SDCE0); } static void spdc_enable_pins(void) { /* Configure MUX settings to enable SPDC use */ mxc_iomux_v3_setup_multiple_pads(mx6sl_brd_spdc_enable_pads, \ ARRAY_SIZE(mx6sl_brd_spdc_enable_pads)); gpio_direction_input(MX6SL_BRD_EPDC_SDDO_0); gpio_direction_input(MX6SL_BRD_EPDC_SDDO_1); gpio_direction_input(MX6SL_BRD_EPDC_SDDO_2); gpio_direction_input(MX6SL_BRD_EPDC_SDDO_3); gpio_direction_input(MX6SL_BRD_EPDC_SDDO_4); gpio_direction_input(MX6SL_BRD_EPDC_SDDO_5); gpio_direction_input(MX6SL_BRD_EPDC_SDDO_6); gpio_direction_input(MX6SL_BRD_EPDC_SDDO_7); gpio_direction_input(MX6SL_BRD_EPDC_GDOE); gpio_direction_input(MX6SL_BRD_EPDC_SDDO_9); gpio_direction_input(MX6SL_BRD_EPDC_GDSP); gpio_direction_input(MX6SL_BRD_EPDC_GDCLK); gpio_direction_input(MX6SL_BRD_EPDC_SDSHR); gpio_direction_input(MX6SL_BRD_EPDC_SDLE); gpio_direction_input(MX6SL_BRD_EPDC_SDCE1); gpio_direction_input(MX6SL_BRD_EPDC_SDCLK); gpio_direction_input(MX6SL_BRD_EPDC_SDDO_10); gpio_direction_input(MX6SL_BRD_EPDC_SDCE0); } static void spdc_disable_pins(void) { /* Configure MUX settings for SPDC pins to * GPIO and drive to 0. */ mxc_iomux_v3_setup_multiple_pads(mx6sl_brd_spdc_disable_pads, \ ARRAY_SIZE(mx6sl_brd_spdc_disable_pads)); gpio_direction_output(MX6SL_BRD_EPDC_SDDO_0, 0); gpio_direction_output(MX6SL_BRD_EPDC_SDDO_1, 0); gpio_direction_output(MX6SL_BRD_EPDC_SDDO_2, 0); gpio_direction_output(MX6SL_BRD_EPDC_SDDO_3, 0); gpio_direction_output(MX6SL_BRD_EPDC_SDDO_4, 0); gpio_direction_output(MX6SL_BRD_EPDC_SDDO_5, 0); gpio_direction_output(MX6SL_BRD_EPDC_SDDO_6, 0); gpio_direction_output(MX6SL_BRD_EPDC_SDDO_7, 0); gpio_direction_output(MX6SL_BRD_EPDC_GDOE, 0); gpio_direction_output(MX6SL_BRD_EPDC_SDDO_9, 0); gpio_direction_output(MX6SL_BRD_EPDC_GDSP, 0); gpio_direction_output(MX6SL_BRD_EPDC_GDCLK, 0); gpio_direction_output(MX6SL_BRD_EPDC_SDSHR, 0); gpio_direction_output(MX6SL_BRD_EPDC_SDLE, 0); gpio_direction_output(MX6SL_BRD_EPDC_SDCE1, 0); gpio_direction_output(MX6SL_BRD_EPDC_SDCLK, 0); gpio_direction_output(MX6SL_BRD_EPDC_SDDO_10, 0); gpio_direction_output(MX6SL_BRD_EPDC_SDCE0, 0); } static struct imx_spdc_panel_init_set spdc_init_set = { .yoe_pol = false, .dual_gate = false, .resolution = 0, .ud = false, .rl = false, .data_filter_n = true, .power_ready = true, .rgbw_mode_enable = false, .hburst_len_en = true, }; static struct fb_videomode erk_1_4_a01 = { .name = "ERK_1_4_A01", .refresh = 50, .xres = 800, .yres = 600, .pixclock = 40000000, .vmode = FB_VMODE_NONINTERLACED, }; static struct imx_spdc_fb_mode spdc_panel_modes[] = { { &erk_1_4_a01, &spdc_init_set, .wave_timing = "pvi" }, }; static struct imx_spdc_fb_platform_data spdc_data = { .spdc_mode = spdc_panel_modes, .num_modes = ARRAY_SIZE(spdc_panel_modes), .get_pins = spdc_get_pins, .put_pins = spdc_put_pins, .enable_pins = spdc_enable_pins, .disable_pins = spdc_disable_pins, }; static int __init early_use_spdc_sel(char *p) { spdc_sel = 1; return 0; } early_param("spdc", early_use_spdc_sel); static void setup_spdc(void) { /* GPR0[8]: 0:EPDC, 1:SPDC */ if (spdc_sel) mxc_iomux_set_gpr_register(0, 8, 1, 1); } static void imx6_evk_usbotg_vbus(bool on) { if (on) gpio_set_value(MX6_BRD_USBOTG1_PWR, 1); else gpio_set_value(MX6_BRD_USBOTG1_PWR, 0); } static void __init mx6_evk_init_usb(void) { int ret = 0; imx_otg_base = MX6_IO_ADDRESS(MX6Q_USB_OTG_BASE_ADDR); /* disable external charger detect, * or it will affect signal quality at dp. */ ret = gpio_request(MX6_BRD_USBOTG1_PWR, "usbotg-pwr"); if (ret) { pr_err("failed to get GPIO MX6_BRD_USBOTG1_PWR:%d\n", ret); return; } gpio_direction_output(MX6_BRD_USBOTG1_PWR, 0); ret = gpio_request(MX6_BRD_USBOTG2_PWR, "usbh1-pwr"); if (ret) { pr_err("failed to get GPIO MX6_BRD_USBOTG2_PWR:%d\n", ret); return; } gpio_direction_output(MX6_BRD_USBOTG2_PWR, 1); mx6_set_otghost_vbus_func(imx6_evk_usbotg_vbus); mx6_usb_dr_init(); #ifdef CONFIG_USB_EHCI_ARC_HSIC mx6_usb_h2_init(); #endif } static struct platform_pwm_backlight_data mx6_evk_pwm_backlight_data = { .pwm_id = 0, .max_brightness = 255, .dft_brightness = 128, .pwm_period_ns = 50000, }; static struct fb_videomode video_modes[] = { { /* 800x480 @ 57 Hz , pixel clk @ 32MHz */ "SEIKO-WVGA", 60, 800, 480, 29850, 99, 164, 33, 10, 10, 10, FB_SYNC_CLK_LAT_FALL, FB_VMODE_NONINTERLACED, 0,}, }; static struct mxc_fb_platform_data fb_data[] = { { .interface_pix_fmt = V4L2_PIX_FMT_RGB24, .mode_str = "SEIKO-WVGA", .mode = video_modes, .num_modes = ARRAY_SIZE(video_modes), }, }; static struct platform_device lcd_wvga_device = { .name = "lcd_seiko", }; static int mx6sl_evk_keymap[] = { KEY(0, 0, KEY_SELECT), KEY(0, 1, KEY_BACK), KEY(0, 2, KEY_F1), KEY(0, 3, KEY_F2), KEY(1, 0, KEY_F3), KEY(1, 1, KEY_F4), KEY(1, 2, KEY_POWER), KEY(1, 3, KEY_MENU), KEY(2, 0, KEY_PREVIOUS), KEY(2, 1, KEY_NEXT), KEY(2, 2, KEY_HOME), KEY(2, 3, KEY_NEXT), KEY(3, 0, KEY_UP), KEY(3, 1, KEY_LEFT), KEY(3, 2, KEY_RIGHT), KEY(3, 3, KEY_DOWN), }; static const struct matrix_keymap_data mx6sl_evk_map_data __initconst = { .keymap = mx6sl_evk_keymap, .keymap_size = ARRAY_SIZE(mx6sl_evk_keymap), }; static void __init elan_ts_init(void) { mxc_iomux_v3_setup_multiple_pads(mx6sl_brd_elan_pads, ARRAY_SIZE(mx6sl_brd_elan_pads)); /* ELAN Touchscreen */ gpio_request(MX6SL_BRD_ELAN_INT, "elan-interrupt"); gpio_direction_input(MX6SL_BRD_ELAN_INT); gpio_request(MX6SL_BRD_ELAN_CE, "elan-cs"); gpio_direction_output(MX6SL_BRD_ELAN_CE, 1); gpio_direction_output(MX6SL_BRD_ELAN_CE, 0); gpio_request(MX6SL_BRD_ELAN_RST, "elan-rst"); gpio_direction_output(MX6SL_BRD_ELAN_RST, 1); gpio_direction_output(MX6SL_BRD_ELAN_RST, 0); mdelay(1); gpio_direction_output(MX6SL_BRD_ELAN_RST, 1); gpio_direction_output(MX6SL_BRD_ELAN_CE, 1); } #define SNVS_LPCR 0x38 static void mx6_snvs_poweroff(void) { u32 value; void __iomem *mx6_snvs_base = MX6_IO_ADDRESS(MX6Q_SNVS_BASE_ADDR); value = readl(mx6_snvs_base + SNVS_LPCR); /* set TOP and DP_EN bit */ writel(value | 0x60, mx6_snvs_base + SNVS_LPCR); } /*! * Board specific initialization. */ static void __init mx6_evk_init(void) { mxc_iomux_v3_setup_multiple_pads(mx6sl_brd_pads, ARRAY_SIZE(mx6sl_brd_pads)); elan_ts_init(); #ifdef CONFIG_MX6_INTER_LDO_BYPASS gp_reg_id = mx6sl_evk_dvfscore_data.reg_id; soc_reg_id = mx6sl_evk_dvfscore_data.soc_id; #else gp_reg_id = mx6sl_evk_dvfscore_data.reg_id; soc_reg_id = mx6sl_evk_dvfscore_data.soc_id; pu_reg_id = mx6sl_evk_dvfscore_data.pu_id; mx6_cpu_regulator_init(); #endif imx6q_add_imx_snvs_rtc(); imx6q_add_imx_i2c(0, &mx6_evk_i2c0_data); imx6q_add_imx_i2c(1, &mx6_evk_i2c1_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)); imx6q_add_imx_i2c(2, &mx6_evk_i2c2_data); i2c_register_board_info(2, mxc_i2c2_board_info, ARRAY_SIZE(mxc_i2c2_board_info)); /* SPI */ imx6q_add_ecspi(0, &mx6_evk_spi_data); spi_device_init(); mx6sl_evk_init_pfuze100(0); imx6q_add_anatop_thermal_imx(1, &mx6sl_anatop_thermal_data); mx6_evk_init_uart(); /* get enet tx reference clk from FEC_REF_CLK pad. * GPR1[14] = 0, GPR1[18:17] = 00 */ mxc_iomux_set_gpr_register(1, 14, 1, 0); mxc_iomux_set_gpr_register(1, 17, 2, 0); imx6_init_fec(fec_data); platform_device_register(&evk_vmmc_reg_devices); imx6q_add_sdhci_usdhc_imx(1, &mx6_evk_sd2_data); imx6q_add_sdhci_usdhc_imx(0, &mx6_evk_sd1_data); imx6q_add_sdhci_usdhc_imx(2, &mx6_evk_sd3_data); mx6_evk_init_usb(); imx6q_add_otp(); imx6q_add_mxc_pwm(0); imx6q_add_mxc_pwm_backlight(0, &mx6_evk_pwm_backlight_data); imx6dl_add_imx_elcdif(&fb_data[0]); gpio_request(MX6_BRD_LCD_PWR_EN, "elcdif-power-on"); gpio_direction_output(MX6_BRD_LCD_PWR_EN, 1); mxc_register_device(&lcd_wvga_device, NULL); imx6dl_add_imx_pxp(); imx6dl_add_imx_pxp_client(); mxc_register_device(&max17135_sensor_device, NULL); setup_spdc(); if (!spdc_sel) imx6dl_add_imx_epdc(&epdc_data); else imx6sl_add_imx_spdc(&spdc_data); imx6q_add_dvfs_core(&mx6sl_evk_dvfscore_data); imx6q_init_audio(); imx6q_add_viim(); imx6q_add_imx2_wdt(0, NULL); imx_add_viv_gpu(&imx6_gpu_data, &imx6q_gpu_pdata); imx6sl_add_imx_keypad(&mx6sl_evk_map_data); imx6q_add_busfreq(); imx6sl_add_dcp(); imx6sl_add_rngb(); imx6sl_add_imx_pxp_v4l2(); imx6q_add_perfmon(0); imx6q_add_perfmon(1); imx6q_add_perfmon(2); pm_power_off = mx6_snvs_poweroff; } extern void __iomem *twd_base; static void __init mx6_timer_init(void) { struct clk *uart_clk; #ifdef CONFIG_LOCAL_TIMERS twd_base = ioremap(LOCAL_TWD_ADDR, SZ_256); BUG_ON(!twd_base); #endif mx6sl_clocks_init(32768, 24000000, 0, 0); uart_clk = clk_get_sys("imx-uart.0", NULL); early_console_setup(UART1_BASE_ADDR, uart_clk); } static struct sys_timer mxc_timer = { .init = mx6_timer_init, }; static void __init mx6_evk_reserve(void) { #if defined(CONFIG_MXC_GPU_VIV) || defined(CONFIG_MXC_GPU_VIV_MODULE) phys_addr_t phys; if (imx6q_gpu_pdata.reserved_mem_size) { phys = memblock_alloc_base(imx6q_gpu_pdata.reserved_mem_size, SZ_4K, MEMBLOCK_ALLOC_ACCESSIBLE); memblock_remove(phys, imx6q_gpu_pdata.reserved_mem_size); imx6q_gpu_pdata.reserved_mem_base = phys; } #endif } MACHINE_START(MX6SL_EVK, "Freescale i.MX 6SoloLite EVK Board") .boot_params = MX6SL_PHYS_OFFSET + 0x100, .map_io = mx6_map_io, .init_irq = mx6_init_irq, .init_machine = mx6_evk_init, .timer = &mxc_timer, .reserve = mx6_evk_reserve, MACHINE_END