1 files changed, 329 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
new file mode 100644
index 000000000000..d3cc145814d0
--- /dev/null
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -0,0 +1,329 @@
+/*
+ * linux/arch/arm/mach-omap2/board-omap3evm.c
+ *
+ * Copyright (C) 2008 Texas Instruments
+ *
+ * Modified from mach-omap2/board-3430sdp.c
+ *
+ * Initial code: Syed Mohammed Khasim
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/gpio.h>
+#include <linux/input.h>
+#include <linux/leds.h>
+
+#include <linux/spi/spi.h>
+#include <linux/spi/ads7846.h>
+#include <linux/i2c/twl4030.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 <mach/keypad.h>
+
+#include "sdram-micron-mt46h32m32lf-6.h"
+#include "mmc-twl4030.h"
+
+#define OMAP3_EVM_TS_GPIO       175
+
+#define OMAP3EVM_ETHR_START     0x2c000000
+#define OMAP3EVM_ETHR_SIZE      1024
+#define OMAP3EVM_ETHR_GPIO_IRQ  176
+#define OMAP3EVM_SMC911X_CS     5
+
+static struct resource omap3evm_smc911x_resources[] = {
+        [0] =   {
+                .start  = OMAP3EVM_ETHR_START,
+                .end    = (OMAP3EVM_ETHR_START + OMAP3EVM_ETHR_SIZE - 1),
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] =   {
+                .start  = OMAP_GPIO_IRQ(OMAP3EVM_ETHR_GPIO_IRQ),
+                .end    = OMAP_GPIO_IRQ(OMAP3EVM_ETHR_GPIO_IRQ),
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device omap3evm_smc911x_device = {
+        .name           = "smc911x",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(omap3evm_smc911x_resources),
+        .resource       = &omap3evm_smc911x_resources[0],
+};
+
+static inline void __init omap3evm_init_smc911x(void)
+{
+        int eth_cs;
+        struct clk *l3ck;
+        unsigned int rate;
+
+        eth_cs = OMAP3EVM_SMC911X_CS;
+
+        l3ck = clk_get(NULL, "l3_ck");
+        if (IS_ERR(l3ck))
+                rate = 100000000;
+        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",
+                        OMAP3EVM_ETHR_GPIO_IRQ);
+                return;
+        }
+
+        gpio_direction_input(OMAP3EVM_ETHR_GPIO_IRQ);
+}
+
+static struct omap_uart_config omap3_evm_uart_config __initdata = {
+        .enabled_uarts  = ((1 << 0) | (1 << 1) | (1 << 2)),
+};
+
+static struct twl4030_hsmmc_info mmc[] = {
+        {
+                .mmc            = 1,
+                .wires          = 4,
+                .gpio_cd        = -EINVAL,
+                .gpio_wp        = 63,
+        },
+        {}      /* Terminator */
+};
+
+static struct gpio_led gpio_leds[] = {
+        {
+                .name                   = "omap3evm::ledb",
+                /* normally not visible (board underside) */
+                .default_trigger        = "default-on",
+                .gpio                   = -EINVAL,      /* gets replaced */
+                .active_low             = true,
+        },
+};
+
+static struct gpio_led_platform_data gpio_led_info = {
+        .leds           = gpio_leds,
+        .num_leds       = ARRAY_SIZE(gpio_leds),
+};
+
+static struct platform_device leds_gpio = {
+        .name   = "leds-gpio",
+        .id     = -1,
+        .dev    = {
+                .platform_data  = &gpio_led_info,
+        },
+};
+
+
+static int omap3evm_twl_gpio_setup(struct device *dev,
+                unsigned gpio, unsigned ngpio)
+{
+        /* gpio + 0 is "mmc0_cd" (input/IRQ) */
+        omap_cfg_reg(L8_34XX_GPIO63);
+        mmc[0].gpio_cd = gpio + 0;
+        twl4030_mmc_init(mmc);
+
+        /*
+         * Most GPIOs are for USB OTG.  Some are mostly sent to
+         * the P2 connector; notably LEDA for the LCD backlight.
+         */
+
+        /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
+        gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
+
+        platform_device_register(&leds_gpio);
+
+        return 0;
+}
+
+static struct twl4030_gpio_platform_data omap3evm_gpio_data = {
+        .gpio_base      = OMAP_MAX_GPIO_LINES,
+        .irq_base       = TWL4030_GPIO_IRQ_BASE,
+        .irq_end        = TWL4030_GPIO_IRQ_END,
+        .use_leds       = true,
+        .setup          = omap3evm_twl_gpio_setup,
+};
+
+static struct twl4030_usb_data omap3evm_usb_data = {
+        .usb_mode       = T2_USB_MODE_ULPI,
+};
+
+static int omap3evm_keymap[] = {
+        KEY(0, 0, KEY_LEFT),
+        KEY(0, 1, KEY_RIGHT),
+        KEY(0, 2, KEY_A),
+        KEY(0, 3, KEY_B),
+        KEY(1, 0, KEY_DOWN),
+        KEY(1, 1, KEY_UP),
+        KEY(1, 2, KEY_E),
+        KEY(1, 3, KEY_F),
+        KEY(2, 0, KEY_ENTER),
+        KEY(2, 1, KEY_I),
+        KEY(2, 2, KEY_J),
+        KEY(2, 3, KEY_K),
+        KEY(3, 0, KEY_M),
+        KEY(3, 1, KEY_N),
+        KEY(3, 2, KEY_O),
+        KEY(3, 3, KEY_P)
+};
+
+static struct twl4030_keypad_data omap3evm_kp_data = {
+        .rows           = 4,
+        .cols           = 4,
+        .keymap         = omap3evm_keymap,
+        .keymapsize     = ARRAY_SIZE(omap3evm_keymap),
+        .rep            = 1,
+};
+
+static struct twl4030_madc_platform_data omap3evm_madc_data = {
+        .irq_line       = 1,
+};
+
+static struct twl4030_platform_data omap3evm_twldata = {
+        .irq_base       = TWL4030_IRQ_BASE,
+        .irq_end        = TWL4030_IRQ_END,
+
+        /* platform_data for children goes here */
+        .keypad         = &omap3evm_kp_data,
+        .madc           = &omap3evm_madc_data,
+        .usb            = &omap3evm_usb_data,
+        .gpio           = &omap3evm_gpio_data,
+};
+
+static struct i2c_board_info __initdata omap3evm_i2c_boardinfo[] = {
+        {
+                I2C_BOARD_INFO("twl4030", 0x48),
+                .flags = I2C_CLIENT_WAKE,
+                .irq = INT_34XX_SYS_NIRQ,
+                .platform_data = &omap3evm_twldata,
+        },
+};
+
+static int __init omap3_evm_i2c_init(void)
+{
+        omap_register_i2c_bus(1, 2600, omap3evm_i2c_boardinfo,
+                        ARRAY_SIZE(omap3evm_i2c_boardinfo));
+        omap_register_i2c_bus(2, 400, NULL, 0);
+        omap_register_i2c_bus(3, 400, NULL, 0);
+        return 0;
+}
+
+static struct platform_device omap3_evm_lcd_device = {
+        .name           = "omap3evm_lcd",
+        .id             = -1,
+};
+
+static struct omap_lcd_config omap3_evm_lcd_config __initdata = {
+        .ctrl_name      = "internal",
+};
+
+static void ads7846_dev_init(void)
+{
+        if (gpio_request(OMAP3_EVM_TS_GPIO, "ADS7846 pendown") < 0)
+                printk(KERN_ERR "can't get ads7846 pen down GPIO\n");
+
+        gpio_direction_input(OMAP3_EVM_TS_GPIO);
+
+        omap_set_gpio_debounce(OMAP3_EVM_TS_GPIO, 1);
+        omap_set_gpio_debounce_time(OMAP3_EVM_TS_GPIO, 0xa);
+}
+
+static int ads7846_get_pendown_state(void)
+{
+        return !gpio_get_value(OMAP3_EVM_TS_GPIO);
+}
+
+struct ads7846_platform_data ads7846_config = {
+        .x_max                  = 0x0fff,
+        .y_max                  = 0x0fff,
+        .x_plate_ohms           = 180,
+        .pressure_max           = 255,
+        .debounce_max           = 10,
+        .debounce_tol           = 3,
+        .debounce_rep           = 1,
+        .get_pendown_state      = ads7846_get_pendown_state,
+        .keep_vref_on           = 1,
+        .settle_delay_usecs     = 150,
+};
+
+static struct omap2_mcspi_device_config ads7846_mcspi_config = {
+        .turbo_mode     = 0,
+        .single_channel = 1,    /* 0: slave, 1: master */
+};
+
+struct spi_board_info omap3evm_spi_board_info[] = {
+        [0] = {
+                .modalias               = "ads7846",
+                .bus_num                = 1,
+                .chip_select            = 0,
+                .max_speed_hz           = 1500000,
+                .controller_data        = &ads7846_mcspi_config,
+                .irq                    = OMAP_GPIO_IRQ(OMAP3_EVM_TS_GPIO),
+                .platform_data          = &ads7846_config,
+        },
+};
+
+static void __init omap3_evm_init_irq(void)
+{
+        omap2_init_common_hw(mt46h32m32lf6_sdrc_params);
+        omap_init_irq();
+        omap_gpio_init();
+        omap3evm_init_smc911x();
+}
+
+static struct omap_board_config_kernel omap3_evm_config[] __initdata = {
+        { OMAP_TAG_UART,        &omap3_evm_uart_config },
+        { OMAP_TAG_LCD,         &omap3_evm_lcd_config },
+};
+
+static struct platform_device *omap3_evm_devices[] __initdata = {
+        &omap3_evm_lcd_device,
+        &omap3evm_smc911x_device,
+};
+
+static void __init omap3_evm_init(void)
+{
+        omap3_evm_i2c_init();
+
+        platform_add_devices(omap3_evm_devices, ARRAY_SIZE(omap3_evm_devices));
+        omap_board_config = omap3_evm_config;
+        omap_board_config_size = ARRAY_SIZE(omap3_evm_config);
+
+        spi_register_board_info(omap3evm_spi_board_info,
+                                ARRAY_SIZE(omap3evm_spi_board_info));
+
+        omap_serial_init();
+        usb_musb_init();
+        ads7846_dev_init();
+}
+
+static void __init omap3_evm_map_io(void)
+{
+        omap2_set_globals_343x();
+        omap2_map_common_io();
+}
+
+MACHINE_START(OMAP3EVM, "OMAP3 EVM")
+        /* Maintainer: Syed Mohammed Khasim - Texas Instruments */
+        .phys_io        = 0x48000000,
+        .io_pg_offst    = ((0xd8000000) >> 18) & 0xfffc,
+        .boot_params    = 0x80000100,
+        .map_io         = omap3_evm_map_io,
+        .init_irq       = omap3_evm_init_irq,
+        .init_machine   = omap3_evm_init,
+        .timer          = &omap_timer,
+MACHINE_END