]> git.karo-electronics.de Git - linux-beck.git/commitdiff
ARM: OMAP3: Add omap3 EVM support
authorSyed Mohammed Khasim <khasim@ti.com>
Thu, 28 May 2009 21:13:28 +0000 (14:13 -0700)
committerTony Lindgren <tony@atomide.com>
Thu, 28 May 2009 21:13:28 +0000 (14:13 -0700)
Add omap3 EVM support

Signed-off-by: Syed Mohammed Khasim <khasim@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
arch/arm/mach-omap2/Kconfig
arch/arm/mach-omap2/Makefile
arch/arm/mach-omap2/board-omap3evm.c [new file with mode: 0644]

index f6cf903f94a3f75d944dcef82f2e7df93b233462..b5c9088a6a4e6626ea161b537f7b1e8198c7974a 100644 (file)
@@ -56,6 +56,10 @@ config MACH_OVERO
        bool "Gumstix Overo board"
        depends on ARCH_OMAP3 && ARCH_OMAP34XX
 
+config MACH_OMAP3EVM
+       bool "OMAP 3530 EVM board"
+       depends on ARCH_OMAP3 && ARCH_OMAP34XX
+
 config MACH_OMAP3_PANDORA
        bool "OMAP3 Pandora"
        depends on ARCH_OMAP3 && ARCH_OMAP34XX
index 4cdb31801d2f08cd9e0bb00dac954f306275858f..10e7c29ac1db2791bdddbde70fb58ee14b6f1c9a 100644 (file)
@@ -45,6 +45,8 @@ obj-$(CONFIG_MACH_OMAP_LDP)           += board-ldp.o \
                                           mmc-twl4030.o
 obj-$(CONFIG_MACH_OVERO)               += board-overo.o \
                                           mmc-twl4030.o
+obj-$(CONFIG_MACH_OMAP3EVM)            += board-omap3evm.o \
+                                          mmc-twl4030.o
 obj-$(CONFIG_MACH_OMAP3_PANDORA)       += board-omap3pandora.o \
                                           mmc-twl4030.o
 obj-$(CONFIG_MACH_OMAP_3430SDP)                += board-3430sdp.o \
diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
new file mode 100644 (file)
index 0000000..d3cc145
--- /dev/null
@@ -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