1 files changed, 160 insertions, 19 deletions

diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index 25ca5f6a0d3d..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.
@@ -226,6 +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);
@@ -299,16 +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));
@@ -321,8 +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)
@@ -334,7 +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,