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-rw-r--r--arch/arm/mach-omap2/board-omap3evm.c189
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 4c4d7f8dbd7..5efc2e9068d 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,