From 29dee863d5626a35354bb23d652011e457c935a4 Mon Sep 17 00:00:00 2001 From: MyungJoo Ham Date: Thu, 21 Jul 2011 00:31:27 +0900 Subject: [PATCH] ARM: EXYNOS4: configure regulators and PMIC(MAX8997) on NURI Signed-off-by: MyungJoo Ham Signed-off-by: Kyungmin Park [kgene.kim@samsung.com: Fix build - inclusion of max8997-private.h] Signed-off-by: Kukjin Kim --- arch/arm/mach-exynos4/mach-nuri.c | 626 +++++++++++++++++++++++++++++- 1 file changed, 625 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-exynos4/mach-nuri.c b/arch/arm/mach-exynos4/mach-nuri.c index 642702bb5b12..53a667dee647 100644 --- a/arch/arm/mach-exynos4/mach-nuri.c +++ b/arch/arm/mach-exynos4/mach-nuri.c @@ -17,6 +17,8 @@ #include #include #include +#include +#include #include #include #include @@ -344,11 +346,629 @@ static void __init nuri_tsp_init(void) s3c_gpio_setpull(gpio, S3C_GPIO_PULL_UP); } +static struct regulator_consumer_supply __initdata max8997_ldo1_[] = { + REGULATOR_SUPPLY("vdd", "s5p-adc"), /* Used by CPU's ADC drv */ +}; +static struct regulator_consumer_supply __initdata max8997_ldo3_[] = { + REGULATOR_SUPPLY("vdd11", "s5p-mipi-csis.0"), /* MIPI */ +}; +static struct regulator_consumer_supply __initdata max8997_ldo4_[] = { + REGULATOR_SUPPLY("vdd18", "s5p-mipi-csis.0"), /* MIPI */ +}; +static struct regulator_consumer_supply __initdata max8997_ldo5_[] = { + REGULATOR_SUPPLY("vhsic", "modemctl"), /* MODEM */ +}; +static struct regulator_consumer_supply __initdata max8997_ldo7_[] = { + REGULATOR_SUPPLY("dig_18", "0-001f"), /* HCD803 */ +}; +static struct regulator_consumer_supply __initdata max8997_ldo8_[] = { + REGULATOR_SUPPLY("vusb_d", NULL), /* Used by CPU */ + REGULATOR_SUPPLY("vdac", NULL), /* Used by CPU */ +}; +static struct regulator_consumer_supply __initdata max8997_ldo11_[] = { + REGULATOR_SUPPLY("vcc", "platform-lcd"), /* U804 LVDS */ +}; +static struct regulator_consumer_supply __initdata max8997_ldo12_[] = { + REGULATOR_SUPPLY("vddio", "6-003c"), /* HDC802 */ +}; +static struct regulator_consumer_supply __initdata max8997_ldo13_[] = { + REGULATOR_SUPPLY("vmmc", "s3c-sdhci.2"), /* TFLASH */ +}; +static struct regulator_consumer_supply __initdata max8997_ldo14_[] = { + REGULATOR_SUPPLY("inmotor", "max8997-haptic"), +}; +static struct regulator_consumer_supply __initdata max8997_ldo15_[] = { + REGULATOR_SUPPLY("avdd", "3-004a"), /* Touch Screen */ +}; +static struct regulator_consumer_supply __initdata max8997_ldo16_[] = { + REGULATOR_SUPPLY("d_sensor", "0-001f"), /* HDC803 */ +}; +static struct regulator_consumer_supply __initdata max8997_ldo18_[] = { + REGULATOR_SUPPLY("vdd", "3-004a"), /* Touch Screen */ +}; +static struct regulator_consumer_supply __initdata max8997_buck1_[] = { + REGULATOR_SUPPLY("vdd_arm", NULL), /* CPUFREQ */ +}; +static struct regulator_consumer_supply __initdata max8997_buck2_[] = { + REGULATOR_SUPPLY("vdd_int", NULL), /* CPUFREQ */ +}; +static struct regulator_consumer_supply __initdata max8997_buck3_[] = { + REGULATOR_SUPPLY("vdd", "mali_dev.0"), /* G3D of Exynos 4 */ +}; +static struct regulator_consumer_supply __initdata max8997_buck4_[] = { + REGULATOR_SUPPLY("core", "0-001f"), /* HDC803 */ +}; +static struct regulator_consumer_supply __initdata max8997_buck6_[] = { + REGULATOR_SUPPLY("dig_28", "0-001f"), /* pin "7" of HDC803 */ +}; +static struct regulator_consumer_supply __initdata max8997_esafeout1_[] = { + REGULATOR_SUPPLY("usb_vbus", NULL), /* CPU's USB OTG */ +}; +static struct regulator_consumer_supply __initdata max8997_esafeout2_[] = { + REGULATOR_SUPPLY("usb_vbus", "modemctl"), /* VBUS of Modem */ +}; + +static struct regulator_consumer_supply __initdata max8997_charger_[] = { + REGULATOR_SUPPLY("vinchg1", "charger-manager.0"), +}; +static struct regulator_consumer_supply __initdata max8997_chg_toff_[] = { + REGULATOR_SUPPLY("vinchg_stop", NULL), /* for jack interrupt handlers */ +}; + +static struct regulator_consumer_supply __initdata max8997_32khz_ap_[] = { + REGULATOR_SUPPLY("gps_clk", "bcm4751"), + REGULATOR_SUPPLY("bt_clk", "bcm4330-b1"), + REGULATOR_SUPPLY("wifi_clk", "bcm433-b1"), +}; + +static struct regulator_init_data __initdata max8997_ldo1_data = { + .constraints = { + .name = "VADC_3.3V_C210", + .min_uV = 3300000, + .max_uV = 3300000, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + .apply_uV = 1, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(max8997_ldo1_), + .consumer_supplies = max8997_ldo1_, +}; + +static struct regulator_init_data __initdata max8997_ldo2_data = { + .constraints = { + .name = "VALIVE_1.1V_C210", + .min_uV = 1100000, + .max_uV = 1100000, + .apply_uV = 1, + .always_on = 1, + .state_mem = { + .enabled = 1, + }, + }, +}; + +static struct regulator_init_data __initdata max8997_ldo3_data = { + .constraints = { + .name = "VUSB_1.1V_C210", + .min_uV = 1100000, + .max_uV = 1100000, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + .apply_uV = 1, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(max8997_ldo3_), + .consumer_supplies = max8997_ldo3_, +}; + +static struct regulator_init_data __initdata max8997_ldo4_data = { + .constraints = { + .name = "VMIPI_1.8V", + .min_uV = 1800000, + .max_uV = 1800000, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + .apply_uV = 1, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(max8997_ldo4_), + .consumer_supplies = max8997_ldo4_, +}; + +static struct regulator_init_data __initdata max8997_ldo5_data = { + .constraints = { + .name = "VHSIC_1.2V_C210", + .min_uV = 1200000, + .max_uV = 1200000, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + .apply_uV = 1, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(max8997_ldo5_), + .consumer_supplies = max8997_ldo5_, +}; + +static struct regulator_init_data __initdata max8997_ldo6_data = { + .constraints = { + .name = "VCC_1.8V_PDA", + .min_uV = 1800000, + .max_uV = 1800000, + .apply_uV = 1, + .always_on = 1, + .state_mem = { + .enabled = 1, + }, + }, +}; + +static struct regulator_init_data __initdata max8997_ldo7_data = { + .constraints = { + .name = "CAM_ISP_1.8V", + .min_uV = 1800000, + .max_uV = 1800000, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + .apply_uV = 1, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(max8997_ldo7_), + .consumer_supplies = max8997_ldo7_, +}; + +static struct regulator_init_data __initdata max8997_ldo8_data = { + .constraints = { + .name = "VUSB/VDAC_3.3V_C210", + .min_uV = 3300000, + .max_uV = 3300000, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + .apply_uV = 1, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(max8997_ldo8_), + .consumer_supplies = max8997_ldo8_, +}; + +static struct regulator_init_data __initdata max8997_ldo9_data = { + .constraints = { + .name = "VCC_2.8V_PDA", + .min_uV = 2800000, + .max_uV = 2800000, + .apply_uV = 1, + .always_on = 1, + .state_mem = { + .enabled = 1, + }, + }, +}; + +static struct regulator_init_data __initdata max8997_ldo10_data = { + .constraints = { + .name = "VPLL_1.1V_C210", + .min_uV = 1100000, + .max_uV = 1100000, + .apply_uV = 1, + .always_on = 1, + .state_mem = { + .disabled = 1, + }, + }, +}; + +static struct regulator_init_data __initdata max8997_ldo11_data = { + .constraints = { + .name = "LVDS_VDD3.3V", + .min_uV = 3300000, + .max_uV = 3300000, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + .apply_uV = 1, + .boot_on = 1, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(max8997_ldo11_), + .consumer_supplies = max8997_ldo11_, +}; + +static struct regulator_init_data __initdata max8997_ldo12_data = { + .constraints = { + .name = "VT_CAM_1.8V", + .min_uV = 1800000, + .max_uV = 1800000, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + .apply_uV = 1, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(max8997_ldo12_), + .consumer_supplies = max8997_ldo12_, +}; + +static struct regulator_init_data __initdata max8997_ldo13_data = { + .constraints = { + .name = "VTF_2.8V", + .min_uV = 2800000, + .max_uV = 2800000, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + .apply_uV = 1, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(max8997_ldo13_), + .consumer_supplies = max8997_ldo13_, +}; + +static struct regulator_init_data __initdata max8997_ldo14_data = { + .constraints = { + .name = "VCC_3.0V_MOTOR", + .min_uV = 3000000, + .max_uV = 3000000, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + .apply_uV = 1, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(max8997_ldo14_), + .consumer_supplies = max8997_ldo14_, +}; + +static struct regulator_init_data __initdata max8997_ldo15_data = { + .constraints = { + .name = "VTOUCH_ADVV2.8V", + .min_uV = 2800000, + .max_uV = 2800000, + .apply_uV = 1, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(max8997_ldo15_), + .consumer_supplies = max8997_ldo15_, +}; + +static struct regulator_init_data __initdata max8997_ldo16_data = { + .constraints = { + .name = "CAM_SENSOR_IO_1.8V", + .min_uV = 1800000, + .max_uV = 1800000, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + .apply_uV = 1, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(max8997_ldo16_), + .consumer_supplies = max8997_ldo16_, +}; + +static struct regulator_init_data __initdata max8997_ldo18_data = { + .constraints = { + .name = "VTOUCH_VDD2.8V", + .min_uV = 2800000, + .max_uV = 2800000, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + .apply_uV = 1, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(max8997_ldo18_), + .consumer_supplies = max8997_ldo18_, +}; + +static struct regulator_init_data __initdata max8997_ldo21_data = { + .constraints = { + .name = "VDDQ_M1M2_1.2V", + .min_uV = 1200000, + .max_uV = 1200000, + .apply_uV = 1, + .always_on = 1, + .state_mem = { + .disabled = 1, + }, + }, +}; + +static struct regulator_init_data __initdata max8997_buck1_data = { + .constraints = { + .name = "VARM_1.2V_C210", + .min_uV = 900000, + .max_uV = 1350000, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, + .always_on = 1, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(max8997_buck1_), + .consumer_supplies = max8997_buck1_, +}; + +static struct regulator_init_data __initdata max8997_buck2_data = { + .constraints = { + .name = "VINT_1.1V_C210", + .min_uV = 900000, + .max_uV = 1100000, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, + .always_on = 1, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(max8997_buck2_), + .consumer_supplies = max8997_buck2_, +}; + +static struct regulator_init_data __initdata max8997_buck3_data = { + .constraints = { + .name = "VG3D_1.1V_C210", + .min_uV = 900000, + .max_uV = 1100000, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | + REGULATOR_CHANGE_STATUS, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(max8997_buck3_), + .consumer_supplies = max8997_buck3_, +}; + +static struct regulator_init_data __initdata max8997_buck4_data = { + .constraints = { + .name = "CAM_ISP_CORE_1.2V", + .min_uV = 1200000, + .max_uV = 1200000, + .apply_uV = 1, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(max8997_buck4_), + .consumer_supplies = max8997_buck4_, +}; + +static struct regulator_init_data __initdata max8997_buck5_data = { + .constraints = { + .name = "VMEM_1.2V_C210", + .min_uV = 1200000, + .max_uV = 1200000, + .apply_uV = 1, + .always_on = 1, + .state_mem = { + .enabled = 1, + }, + }, +}; + +static struct regulator_init_data __initdata max8997_buck6_data = { + .constraints = { + .name = "CAM_AF_2.8V", + .min_uV = 2800000, + .max_uV = 2800000, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(max8997_buck6_), + .consumer_supplies = max8997_buck6_, +}; + +static struct regulator_init_data __initdata max8997_buck7_data = { + .constraints = { + .name = "VCC_SUB_2.0V", + .min_uV = 2000000, + .max_uV = 2000000, + .apply_uV = 1, + .always_on = 1, + .state_mem = { + .enabled = 1, + }, + }, +}; + +static struct regulator_init_data __initdata max8997_32khz_ap_data = { + .constraints = { + .name = "32KHz AP", + .always_on = 1, + .state_mem = { + .enabled = 1, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(max8997_32khz_ap_), + .consumer_supplies = max8997_32khz_ap_, +}; + +static struct regulator_init_data __initdata max8997_32khz_cp_data = { + .constraints = { + .name = "32KHz CP", + .state_mem = { + .disabled = 1, + }, + }, +}; + +static struct regulator_init_data __initdata max8997_vichg_data = { + .constraints = { + .name = "VICHG", + .state_mem = { + .disabled = 1, + }, + }, +}; + +static struct regulator_init_data __initdata max8997_esafeout1_data = { + .constraints = { + .name = "SAFEOUT1", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(max8997_esafeout1_), + .consumer_supplies = max8997_esafeout1_, +}; + +static struct regulator_init_data __initdata max8997_esafeout2_data = { + .constraints = { + .name = "SAFEOUT2", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(max8997_esafeout2_), + .consumer_supplies = max8997_esafeout2_, +}; + +static struct regulator_init_data __initdata max8997_charger_cv_data = { + .constraints = { + .name = "CHARGER_CV", + .min_uV = 4200000, + .max_uV = 4200000, + .apply_uV = 1, + }, +}; + +static struct regulator_init_data __initdata max8997_charger_data = { + .constraints = { + .name = "CHARGER", + .min_uA = 200000, + .max_uA = 950000, + .boot_on = 1, + .valid_ops_mask = REGULATOR_CHANGE_STATUS | + REGULATOR_CHANGE_CURRENT, + }, + .num_consumer_supplies = ARRAY_SIZE(max8997_charger_), + .consumer_supplies = max8997_charger_, +}; + +static struct regulator_init_data __initdata max8997_charger_topoff_data = { + .constraints = { + .name = "CHARGER TOPOFF", + .min_uA = 50000, + .max_uA = 200000, + .valid_ops_mask = REGULATOR_CHANGE_CURRENT, + }, + .num_consumer_supplies = ARRAY_SIZE(max8997_chg_toff_), + .consumer_supplies = max8997_chg_toff_, +}; + +static struct max8997_regulator_data __initdata nuri_max8997_regulators[] = { + { MAX8997_LDO1, &max8997_ldo1_data }, + { MAX8997_LDO2, &max8997_ldo2_data }, + { MAX8997_LDO3, &max8997_ldo3_data }, + { MAX8997_LDO4, &max8997_ldo4_data }, + { MAX8997_LDO5, &max8997_ldo5_data }, + { MAX8997_LDO6, &max8997_ldo6_data }, + { MAX8997_LDO7, &max8997_ldo7_data }, + { MAX8997_LDO8, &max8997_ldo8_data }, + { MAX8997_LDO9, &max8997_ldo9_data }, + { MAX8997_LDO10, &max8997_ldo10_data }, + { MAX8997_LDO11, &max8997_ldo11_data }, + { MAX8997_LDO12, &max8997_ldo12_data }, + { MAX8997_LDO13, &max8997_ldo13_data }, + { MAX8997_LDO14, &max8997_ldo14_data }, + { MAX8997_LDO15, &max8997_ldo15_data }, + { MAX8997_LDO16, &max8997_ldo16_data }, + + { MAX8997_LDO18, &max8997_ldo18_data }, + { MAX8997_LDO21, &max8997_ldo21_data }, + + { MAX8997_BUCK1, &max8997_buck1_data }, + { MAX8997_BUCK2, &max8997_buck2_data }, + { MAX8997_BUCK3, &max8997_buck3_data }, + { MAX8997_BUCK4, &max8997_buck4_data }, + { MAX8997_BUCK5, &max8997_buck5_data }, + { MAX8997_BUCK6, &max8997_buck6_data }, + { MAX8997_BUCK7, &max8997_buck7_data }, + + { MAX8997_EN32KHZ_AP, &max8997_32khz_ap_data }, + { MAX8997_EN32KHZ_CP, &max8997_32khz_cp_data }, + + { MAX8997_ENVICHG, &max8997_vichg_data }, + { MAX8997_ESAFEOUT1, &max8997_esafeout1_data }, + { MAX8997_ESAFEOUT2, &max8997_esafeout2_data }, + { MAX8997_CHARGER_CV, &max8997_charger_cv_data }, + { MAX8997_CHARGER, &max8997_charger_data }, + { MAX8997_CHARGER_TOPOFF, &max8997_charger_topoff_data }, +}; + +static struct max8997_platform_data __initdata nuri_max8997_pdata = { + .wakeup = 1, + + .num_regulators = ARRAY_SIZE(nuri_max8997_regulators), + .regulators = nuri_max8997_regulators, + + .buck125_gpios = { EXYNOS4_GPX0(5), EXYNOS4_GPX0(6), EXYNOS4_GPL0(0) }, + .buck2_gpiodvs = true, + + .buck1_voltage[0] = 1350000, /* 1.35V */ + .buck1_voltage[1] = 1300000, /* 1.3V */ + .buck1_voltage[2] = 1250000, /* 1.25V */ + .buck1_voltage[3] = 1200000, /* 1.2V */ + .buck1_voltage[4] = 1150000, /* 1.15V */ + .buck1_voltage[5] = 1100000, /* 1.1V */ + .buck1_voltage[6] = 1000000, /* 1.0V */ + .buck1_voltage[7] = 950000, /* 0.95V */ + + .buck2_voltage[0] = 1100000, /* 1.1V */ + .buck2_voltage[1] = 1000000, /* 1.0V */ + .buck2_voltage[2] = 950000, /* 0.95V */ + .buck2_voltage[3] = 900000, /* 0.9V */ + .buck2_voltage[4] = 1100000, /* 1.1V */ + .buck2_voltage[5] = 1000000, /* 1.0V */ + .buck2_voltage[6] = 950000, /* 0.95V */ + .buck2_voltage[7] = 900000, /* 0.9V */ + + .buck5_voltage[0] = 1200000, /* 1.2V */ + .buck5_voltage[1] = 1200000, /* 1.2V */ + .buck5_voltage[2] = 1200000, /* 1.2V */ + .buck5_voltage[3] = 1200000, /* 1.2V */ + .buck5_voltage[4] = 1200000, /* 1.2V */ + .buck5_voltage[5] = 1200000, /* 1.2V */ + .buck5_voltage[6] = 1200000, /* 1.2V */ + .buck5_voltage[7] = 1200000, /* 1.2V */ +}; + /* GPIO I2C 5 (PMIC) */ +enum { I2C5_MAX8997 }; static struct i2c_board_info i2c5_devs[] __initdata = { - /* max8997, To be updated */ + [I2C5_MAX8997] = { + I2C_BOARD_INFO("max8997", 0xCC >> 1), + .platform_data = &nuri_max8997_pdata, + }, }; +static void __init nuri_power_init(void) +{ + int gpio; + int irq_base = IRQ_GPIO_END + 1; + + nuri_max8997_pdata.irq_base = irq_base; + irq_base += MAX8997_IRQ_NR; + + gpio = EXYNOS4_GPX0(7); + gpio_request(gpio, "AP_PMIC_IRQ"); + s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(0xf)); + s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); +} + /* USB EHCI */ static struct s5p_ehci_platdata nuri_ehci_pdata; @@ -361,6 +981,7 @@ static void __init nuri_ehci_init(void) static struct platform_device *nuri_devices[] __initdata = { /* Samsung Platform Devices */ + &s3c_device_i2c5, /* PMIC should initialize first */ &emmc_fixed_voltage, &s3c_device_hsmmc0, &s3c_device_hsmmc2, @@ -387,10 +1008,13 @@ static void __init nuri_machine_init(void) { nuri_sdhci_init(); nuri_tsp_init(); + nuri_power_init(); i2c_register_board_info(1, i2c1_devs, ARRAY_SIZE(i2c1_devs)); s3c_i2c3_set_platdata(&i2c3_data); i2c_register_board_info(3, i2c3_devs, ARRAY_SIZE(i2c3_devs)); + s3c_i2c5_set_platdata(NULL); + i2c5_devs[I2C5_MAX8997].irq = gpio_to_irq(EXYNOS4_GPX0(7)); i2c_register_board_info(5, i2c5_devs, ARRAY_SIZE(i2c5_devs)); nuri_ehci_init(); -- 2.20.1