diff options
Diffstat (limited to 'arch/arm/mach-omap2/board-omap3evm.c')
| -rw-r--r-- | arch/arm/mach-omap2/board-omap3evm.c | 189 |
1 files changed, 170 insertions, 19 deletions
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c index 4c4d7f8dbd72..5efc2e9068db 100644 --- a/arch/arm/mach-omap2/board-omap3evm.c +++ b/arch/arm/mach-omap2/board-omap3evm.c @@ -22,34 +22,74 @@ #include <linux/input.h> #include <linux/input/matrix_keypad.h> #include <linux/leds.h> +#include <linux/interrupt.h> #include <linux/spi/spi.h> #include <linux/spi/ads7846.h> #include <linux/i2c/twl4030.h> #include <linux/usb/otg.h> +#include <linux/smsc911x.h> + +#include <linux/regulator/machine.h> #include <mach/hardware.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> -#include <mach/board.h> -#include <mach/mux.h> -#include <mach/usb.h> -#include <mach/common.h> -#include <mach/mcspi.h> +#include <plat/board.h> +#include <plat/mux.h> +#include <plat/usb.h> +#include <plat/common.h> +#include <plat/mcspi.h> #include "sdram-micron-mt46h32m32lf-6.h" #include "mmc-twl4030.h" #define OMAP3_EVM_TS_GPIO 175 +#define OMAP3_EVM_EHCI_VBUS 22 +#define OMAP3_EVM_EHCI_SELECT 61 #define OMAP3EVM_ETHR_START 0x2c000000 #define OMAP3EVM_ETHR_SIZE 1024 +#define OMAP3EVM_ETHR_ID_REV 0x50 #define OMAP3EVM_ETHR_GPIO_IRQ 176 -#define OMAP3EVM_SMC911X_CS 5 +#define OMAP3EVM_SMSC911X_CS 5 + +static u8 omap3_evm_version; + +u8 get_omap3_evm_rev(void) +{ + return omap3_evm_version; +} +EXPORT_SYMBOL(get_omap3_evm_rev); + +static void __init omap3_evm_get_revision(void) +{ + void __iomem *ioaddr; + unsigned int smsc_id; + + /* Ethernet PHY ID is stored at ID_REV register */ + ioaddr = ioremap_nocache(OMAP3EVM_ETHR_START, SZ_1K); + if (!ioaddr) + return; + smsc_id = readl(ioaddr + OMAP3EVM_ETHR_ID_REV) & 0xFFFF0000; + iounmap(ioaddr); + + switch (smsc_id) { + /*SMSC9115 chipset*/ + case 0x01150000: + omap3_evm_version = OMAP3EVM_BOARD_GEN_1; + break; + /*SMSC 9220 chipset*/ + case 0x92200000: + default: + omap3_evm_version = OMAP3EVM_BOARD_GEN_2; + } +} -static struct resource omap3evm_smc911x_resources[] = { +#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE) +static struct resource omap3evm_smsc911x_resources[] = { [0] = { .start = OMAP3EVM_ETHR_START, .end = (OMAP3EVM_ETHR_START + OMAP3EVM_ETHR_SIZE - 1), @@ -58,24 +98,34 @@ static struct resource omap3evm_smc911x_resources[] = { [1] = { .start = OMAP_GPIO_IRQ(OMAP3EVM_ETHR_GPIO_IRQ), .end = OMAP_GPIO_IRQ(OMAP3EVM_ETHR_GPIO_IRQ), - .flags = IORESOURCE_IRQ, + .flags = (IORESOURCE_IRQ | IRQF_TRIGGER_LOW), }, }; -static struct platform_device omap3evm_smc911x_device = { - .name = "smc911x", +static struct smsc911x_platform_config smsc911x_config = { + .phy_interface = PHY_INTERFACE_MODE_MII, + .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW, + .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN, + .flags = (SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS), +}; + +static struct platform_device omap3evm_smsc911x_device = { + .name = "smsc911x", .id = -1, - .num_resources = ARRAY_SIZE(omap3evm_smc911x_resources), - .resource = &omap3evm_smc911x_resources[0], + .num_resources = ARRAY_SIZE(omap3evm_smsc911x_resources), + .resource = &omap3evm_smsc911x_resources[0], + .dev = { + .platform_data = &smsc911x_config, + }, }; -static inline void __init omap3evm_init_smc911x(void) +static inline void __init omap3evm_init_smsc911x(void) { int eth_cs; struct clk *l3ck; unsigned int rate; - eth_cs = OMAP3EVM_SMC911X_CS; + eth_cs = OMAP3EVM_SMSC911X_CS; l3ck = clk_get(NULL, "l3_ck"); if (IS_ERR(l3ck)) @@ -83,15 +133,58 @@ static inline void __init omap3evm_init_smc911x(void) else rate = clk_get_rate(l3ck); - if (gpio_request(OMAP3EVM_ETHR_GPIO_IRQ, "SMC911x irq") < 0) { - printk(KERN_ERR "Failed to request GPIO%d for smc911x IRQ\n", + if (gpio_request(OMAP3EVM_ETHR_GPIO_IRQ, "SMSC911x irq") < 0) { + printk(KERN_ERR "Failed to request GPIO%d for smsc911x IRQ\n", OMAP3EVM_ETHR_GPIO_IRQ); return; } gpio_direction_input(OMAP3EVM_ETHR_GPIO_IRQ); + platform_device_register(&omap3evm_smsc911x_device); } +#else +static inline void __init omap3evm_init_smsc911x(void) { return; } +#endif + +static struct regulator_consumer_supply omap3evm_vmmc1_supply = { + .supply = "vmmc", +}; + +static struct regulator_consumer_supply omap3evm_vsim_supply = { + .supply = "vmmc_aux", +}; + +/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */ +static struct regulator_init_data omap3evm_vmmc1 = { + .constraints = { + .min_uV = 1850000, + .max_uV = 3150000, + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE + | REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = 1, + .consumer_supplies = &omap3evm_vmmc1_supply, +}; + +/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */ +static struct regulator_init_data omap3evm_vsim = { + .constraints = { + .min_uV = 1800000, + .max_uV = 3000000, + .valid_modes_mask = REGULATOR_MODE_NORMAL + | REGULATOR_MODE_STANDBY, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE + | REGULATOR_CHANGE_MODE + | REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = 1, + .consumer_supplies = &omap3evm_vsim_supply, +}; + static struct twl4030_hsmmc_info mmc[] = { { .mmc = 1, @@ -134,6 +227,10 @@ static int omap3evm_twl_gpio_setup(struct device *dev, mmc[0].gpio_cd = gpio + 0; twl4030_mmc_init(mmc); + /* link regulators to MMC adapters */ + omap3evm_vmmc1_supply.dev = mmc[0].dev; + omap3evm_vsim_supply.dev = mmc[0].dev; + /* * Most GPIOs are for USB OTG. Some are mostly sent to * the P2 connector; notably LEDA for the LCD backlight. @@ -194,6 +291,15 @@ static struct twl4030_madc_platform_data omap3evm_madc_data = { .irq_line = 1, }; +static struct twl4030_codec_audio_data omap3evm_audio_data = { + .audio_mclk = 26000000, +}; + +static struct twl4030_codec_data omap3evm_codec_data = { + .audio_mclk = 26000000, + .audio = &omap3evm_audio_data, +}; + static struct twl4030_platform_data omap3evm_twldata = { .irq_base = TWL4030_IRQ_BASE, .irq_end = TWL4030_IRQ_END, @@ -203,6 +309,7 @@ static struct twl4030_platform_data omap3evm_twldata = { .madc = &omap3evm_madc_data, .usb = &omap3evm_usb_data, .gpio = &omap3evm_gpio_data, + .codec = &omap3evm_codec_data, }; static struct i2c_board_info __initdata omap3evm_i2c_boardinfo[] = { @@ -216,6 +323,13 @@ static struct i2c_board_info __initdata omap3evm_i2c_boardinfo[] = { static int __init omap3_evm_i2c_init(void) { + /* + * REVISIT: These entries can be set in omap3evm_twl_data + * after a merge with MFD tree + */ + omap3evm_twldata.vmmc1 = &omap3evm_vmmc1; + omap3evm_twldata.vsim = &omap3evm_vsim; + omap_register_i2c_bus(1, 2600, omap3evm_i2c_boardinfo, ARRAY_SIZE(omap3evm_i2c_boardinfo)); omap_register_i2c_bus(2, 400, NULL, 0); @@ -289,16 +403,29 @@ static void __init omap3_evm_init_irq(void) omap2_init_common_hw(mt46h32m32lf6_sdrc_params, NULL); omap_init_irq(); omap_gpio_init(); - omap3evm_init_smc911x(); } static struct platform_device *omap3_evm_devices[] __initdata = { &omap3_evm_lcd_device, - &omap3evm_smc911x_device, +}; + +static struct ehci_hcd_omap_platform_data ehci_pdata __initconst = { + + .port_mode[0] = EHCI_HCD_OMAP_MODE_UNKNOWN, + .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY, + .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN, + + .phy_reset = true, + /* PHY reset GPIO will be runtime programmed based on EVM version */ + .reset_gpio_port[0] = -EINVAL, + .reset_gpio_port[1] = -EINVAL, + .reset_gpio_port[2] = -EINVAL }; static void __init omap3_evm_init(void) { + omap3_evm_get_revision(); + omap3_evm_i2c_init(); platform_add_devices(omap3_evm_devices, ARRAY_SIZE(omap3_evm_devices)); @@ -311,8 +438,32 @@ static void __init omap3_evm_init(void) /* OMAP3EVM uses ISP1504 phy and so register nop transceiver */ usb_nop_xceiv_register(); #endif + if (get_omap3_evm_rev() >= OMAP3EVM_BOARD_GEN_2) { + /* enable EHCI VBUS using GPIO22 */ + omap_cfg_reg(AF9_34XX_GPIO22); + gpio_request(OMAP3_EVM_EHCI_VBUS, "enable EHCI VBUS"); + gpio_direction_output(OMAP3_EVM_EHCI_VBUS, 0); + gpio_set_value(OMAP3_EVM_EHCI_VBUS, 1); + + /* Select EHCI port on main board */ + omap_cfg_reg(U3_34XX_GPIO61); + gpio_request(OMAP3_EVM_EHCI_SELECT, "select EHCI port"); + gpio_direction_output(OMAP3_EVM_EHCI_SELECT, 0); + gpio_set_value(OMAP3_EVM_EHCI_SELECT, 0); + + /* setup EHCI phy reset config */ + omap_cfg_reg(AH14_34XX_GPIO21); + ehci_pdata.reset_gpio_port[1] = 21; + + } else { + /* setup EHCI phy reset on MDC */ + omap_cfg_reg(AF4_34XX_GPIO135_OUT); + ehci_pdata.reset_gpio_port[1] = 135; + } usb_musb_init(); + usb_ehci_init(&ehci_pdata); ads7846_dev_init(); + omap3evm_init_smsc911x(); } static void __init omap3_evm_map_io(void) @@ -324,7 +475,7 @@ static void __init omap3_evm_map_io(void) MACHINE_START(OMAP3EVM, "OMAP3 EVM") /* Maintainer: Syed Mohammed Khasim - Texas Instruments */ .phys_io = 0x48000000, - .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc, + .io_pg_offst = ((0xfa000000) >> 18) & 0xfffc, .boot_params = 0x80000100, .map_io = omap3_evm_map_io, .init_irq = omap3_evm_init_irq, |