]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - arch/arm/mach-omap2/board-3430sdp.c
ARM: OMAP3: Add support for 3430 SDP, v4
[linux-2.6-omap-h63xx.git] / arch / arm / mach-omap2 / board-3430sdp.c
diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
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+/*
+ * linux/arch/arm/mach-omap2/board-3430sdp.c
+ *
+ * Copyright (C) 2007 Texas Instruments
+ *
+ * Modified from mach-omap2/board-generic.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/input.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/ads7846.h>
+#include <linux/i2c/twl4030.h>
+#include <linux/regulator/machine.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+
+#include <mach/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <mach/mcspi.h>
+#include <mach/mux.h>
+#include <mach/board.h>
+#include <mach/usb.h>
+#include <mach/common.h>
+#include <mach/dma.h>
+#include <mach/gpmc.h>
+
+#include <mach/control.h>
+#include <mach/keypad.h>
+
+#include "mmc-twl4030.h"
+
+#define CONFIG_DISABLE_HFCLK 1
+
+#define SDP3430_ETHR_GPIO_IRQ_SDPV1    29
+#define SDP3430_ETHR_GPIO_IRQ_SDPV2    6
+#define SDP3430_SMC91X_CS              3
+
+#define SDP3430_TS_GPIO_IRQ_SDPV1      3
+#define SDP3430_TS_GPIO_IRQ_SDPV2      2
+
+#define ENABLE_VAUX3_DEDICATED 0x03
+#define ENABLE_VAUX3_DEV_GRP   0x20
+
+#define TWL4030_MSECURE_GPIO 22
+
+static struct resource sdp3430_smc91x_resources[] = {
+       [0] = {
+               .flags  = IORESOURCE_MEM,
+       },
+       [1] = {
+               .start  = 0,
+               .end    = 0,
+               .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
+       },
+};
+
+static struct platform_device sdp3430_smc91x_device = {
+       .name           = "smc91x",
+       .id             = -1,
+       .num_resources  = ARRAY_SIZE(sdp3430_smc91x_resources),
+       .resource       = sdp3430_smc91x_resources,
+};
+
+static int sdp3430_keymap[] = {
+       KEY(0, 0, KEY_LEFT),
+       KEY(0, 1, KEY_RIGHT),
+       KEY(0, 2, KEY_A),
+       KEY(0, 3, KEY_B),
+       KEY(0, 4, KEY_C),
+       KEY(1, 0, KEY_DOWN),
+       KEY(1, 1, KEY_UP),
+       KEY(1, 2, KEY_E),
+       KEY(1, 3, KEY_F),
+       KEY(1, 4, KEY_G),
+       KEY(2, 0, KEY_ENTER),
+       KEY(2, 1, KEY_I),
+       KEY(2, 2, KEY_J),
+       KEY(2, 3, KEY_K),
+       KEY(2, 4, KEY_3),
+       KEY(3, 0, KEY_M),
+       KEY(3, 1, KEY_N),
+       KEY(3, 2, KEY_O),
+       KEY(3, 3, KEY_P),
+       KEY(3, 4, KEY_Q),
+       KEY(4, 0, KEY_R),
+       KEY(4, 1, KEY_4),
+       KEY(4, 2, KEY_T),
+       KEY(4, 3, KEY_U),
+       KEY(4, 4, KEY_D),
+       KEY(5, 0, KEY_V),
+       KEY(5, 1, KEY_W),
+       KEY(5, 2, KEY_L),
+       KEY(5, 3, KEY_S),
+       KEY(5, 4, KEY_H),
+       0
+};
+
+static struct twl4030_keypad_data sdp3430_kp_data = {
+       .rows           = 5,
+       .cols           = 6,
+       .keymap         = sdp3430_keymap,
+       .keymapsize     = ARRAY_SIZE(sdp3430_keymap),
+       .rep            = 1,
+};
+
+static int ts_gpio;    /* Needed for ads7846_get_pendown_state */
+
+/**
+ * @brief ads7846_dev_init : Requests & sets GPIO line for pen-irq
+ *
+ * @return - void. If request gpio fails then Flag KERN_ERR.
+ */
+static void ads7846_dev_init(void)
+{
+       if (gpio_request(ts_gpio, "ADS7846 pendown") < 0) {
+               printk(KERN_ERR "can't get ads746 pen down GPIO\n");
+               return;
+       }
+
+       gpio_direction_input(ts_gpio);
+
+       omap_set_gpio_debounce(ts_gpio, 1);
+       omap_set_gpio_debounce_time(ts_gpio, 0xa);
+}
+
+static int ads7846_get_pendown_state(void)
+{
+       return !gpio_get_value(ts_gpio);
+}
+
+static struct ads7846_platform_data tsc2046_config __initdata = {
+       .get_pendown_state      = ads7846_get_pendown_state,
+       .keep_vref_on           = 1,
+};
+
+
+static struct omap2_mcspi_device_config tsc2046_mcspi_config = {
+       .turbo_mode     = 0,
+       .single_channel = 1,    /* 0: slave, 1: master */
+};
+
+static struct spi_board_info sdp3430_spi_board_info[] __initdata = {
+       [0] = {
+               /*
+                * TSC2046 operates at a max freqency of 2MHz, so
+                * operate slightly below at 1.5MHz
+                */
+               .modalias               = "ads7846",
+               .bus_num                = 1,
+               .chip_select            = 0,
+               .max_speed_hz           = 1500000,
+               .controller_data        = &tsc2046_mcspi_config,
+               .irq                    = 0,
+               .platform_data          = &tsc2046_config,
+       },
+};
+
+static struct platform_device sdp3430_lcd_device = {
+       .name           = "sdp2430_lcd",
+       .id             = -1,
+};
+
+static struct regulator_consumer_supply sdp3430_vdac_supply = {
+       .supply         = "vdac",
+       .dev            = &sdp3430_lcd_device.dev,
+};
+
+static struct regulator_consumer_supply sdp3430_vdvi_supply = {
+       .supply         = "vdvi",
+       .dev            = &sdp3430_lcd_device.dev,
+};
+
+static struct platform_device *sdp3430_devices[] __initdata = {
+       &sdp3430_smc91x_device,
+       &sdp3430_lcd_device,
+};
+
+static inline void __init sdp3430_init_smc91x(void)
+{
+       int eth_cs;
+       unsigned long cs_mem_base;
+       int eth_gpio = 0;
+
+       eth_cs = SDP3430_SMC91X_CS;
+
+       if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) {
+               printk(KERN_ERR "Failed to request GPMC mem for smc91x\n");
+               return;
+       }
+
+       sdp3430_smc91x_resources[0].start = cs_mem_base + 0x300;
+       sdp3430_smc91x_resources[0].end = cs_mem_base + 0x30f;
+       udelay(100);
+
+       if (omap_rev() > OMAP3430_REV_ES1_0)
+               eth_gpio = SDP3430_ETHR_GPIO_IRQ_SDPV2;
+       else
+               eth_gpio = SDP3430_ETHR_GPIO_IRQ_SDPV1;
+
+       sdp3430_smc91x_resources[1].start = gpio_to_irq(eth_gpio);
+
+       if (gpio_request(eth_gpio, "SMC91x irq") < 0) {
+               printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
+                       eth_gpio);
+               return;
+       }
+       gpio_direction_input(eth_gpio);
+}
+
+static void __init omap_3430sdp_init_irq(void)
+{
+       omap2_init_common_hw();
+       omap_init_irq();
+       omap_gpio_init();
+       sdp3430_init_smc91x();
+}
+
+static struct omap_uart_config sdp3430_uart_config __initdata = {
+       .enabled_uarts  = ((1 << 0) | (1 << 1) | (1 << 2)),
+};
+
+static struct omap_lcd_config sdp3430_lcd_config __initdata = {
+       .ctrl_name      = "internal",
+};
+
+static struct omap_board_config_kernel sdp3430_config[] __initdata = {
+       { OMAP_TAG_UART,        &sdp3430_uart_config },
+       { OMAP_TAG_LCD,         &sdp3430_lcd_config },
+};
+
+static int sdp3430_batt_table[] = {
+/* 0 C*/
+30800, 29500, 28300, 27100,
+26000, 24900, 23900, 22900, 22000, 21100, 20300, 19400, 18700, 17900,
+17200, 16500, 15900, 15300, 14700, 14100, 13600, 13100, 12600, 12100,
+11600, 11200, 10800, 10400, 10000, 9630,   9280,   8950,   8620,   8310,
+8020,   7730,   7460,   7200,   6950,   6710,   6470,   6250,   6040,   5830,
+5640,   5450,   5260,   5090,   4920,   4760,   4600,   4450,   4310,   4170,
+4040,   3910,   3790,   3670,   3550
+};
+
+static struct twl4030_bci_platform_data sdp3430_bci_data = {
+       .battery_tmp_tbl        = sdp3430_batt_table,
+       .tblsize                = ARRAY_SIZE(sdp3430_batt_table),
+};
+
+static struct twl4030_hsmmc_info mmc[] = {
+       {
+               .mmc            = 1,
+               /* 8 bits (default) requires S6.3 == ON,
+                * so the SIM card isn't used; else 4 bits.
+                */
+               .wires          = 8,
+               .gpio_wp        = 4,
+       },
+       {
+               .mmc            = 2,
+               .wires          = 8,
+               .gpio_wp        = 7,
+       },
+       {}      /* Terminator */
+};
+
+static struct regulator_consumer_supply sdp3430_vmmc1_supply = {
+       .supply                 = "vmmc",
+};
+
+static struct regulator_consumer_supply sdp3430_vsim_supply = {
+       .supply                 = "vmmc_aux",
+};
+
+static struct regulator_consumer_supply sdp3430_vmmc2_supply = {
+       .supply                 = "vmmc",
+};
+
+static int sdp3430_twl_gpio_setup(struct device *dev,
+               unsigned gpio, unsigned ngpio)
+{
+       /* gpio + 0 is "mmc0_cd" (input/IRQ),
+        * gpio + 1 is "mmc1_cd" (input/IRQ)
+        */
+       mmc[0].gpio_cd = gpio + 0;
+       mmc[1].gpio_cd = gpio + 1;
+       twl4030_mmc_init(mmc);
+
+       /* link regulators to MMC adapters ... we "know" the
+        * regulators will be set up only *after* we return.
+        */
+       sdp3430_vmmc1_supply.dev = mmc[0].dev;
+       sdp3430_vsim_supply.dev = mmc[0].dev;
+       sdp3430_vmmc2_supply.dev = mmc[1].dev;
+
+       /* gpio + 7 is "sub_lcd_en_bkl" (output/PWM1) */
+       gpio_request(gpio + 7, "sub_lcd_en_bkl");
+       gpio_direction_output(gpio + 7, 0);
+
+       /* gpio + 15 is "sub_lcd_nRST" (output) */
+       gpio_request(gpio + 15, "sub_lcd_nRST");
+       gpio_direction_output(gpio + 15, 0);
+
+       return 0;
+}
+
+static struct twl4030_gpio_platform_data sdp3430_gpio_data = {
+       .gpio_base      = OMAP_MAX_GPIO_LINES,
+       .irq_base       = TWL4030_GPIO_IRQ_BASE,
+       .irq_end        = TWL4030_GPIO_IRQ_END,
+       .pulldowns      = BIT(2) | BIT(6) | BIT(8) | BIT(13)
+                               | BIT(16) | BIT(17),
+       .setup          = sdp3430_twl_gpio_setup,
+};
+
+static struct twl4030_usb_data sdp3430_usb_data = {
+       .usb_mode       = T2_USB_MODE_ULPI,
+};
+
+static struct twl4030_madc_platform_data sdp3430_madc_data = {
+       .irq_line       = 1,
+};
+
+/*
+ * Apply all the fixed voltages since most versions of U-Boot
+ * don't bother with that initialization.
+ */
+
+/* VAUX1 for mainboard (irda and sub-lcd) */
+static struct regulator_init_data sdp3430_vaux1 = {
+       .constraints = {
+               .min_uV                 = 2800000,
+               .max_uV                 = 2800000,
+               .apply_uV               = true,
+               .valid_modes_mask       = REGULATOR_MODE_NORMAL
+                                       | REGULATOR_MODE_STANDBY,
+               .valid_ops_mask         = REGULATOR_CHANGE_MODE
+                                       | REGULATOR_CHANGE_STATUS,
+       },
+};
+
+/* VAUX2 for camera module */
+static struct regulator_init_data sdp3430_vaux2 = {
+       .constraints = {
+               .min_uV                 = 2800000,
+               .max_uV                 = 2800000,
+               .apply_uV               = true,
+               .valid_modes_mask       = REGULATOR_MODE_NORMAL
+                                       | REGULATOR_MODE_STANDBY,
+               .valid_ops_mask         = REGULATOR_CHANGE_MODE
+                                       | REGULATOR_CHANGE_STATUS,
+       },
+};
+
+/* VAUX3 for LCD board */
+static struct regulator_init_data sdp3430_vaux3 = {
+       .constraints = {
+               .min_uV                 = 2800000,
+               .max_uV                 = 2800000,
+               .apply_uV               = true,
+               .valid_modes_mask       = REGULATOR_MODE_NORMAL
+                                       | REGULATOR_MODE_STANDBY,
+               .valid_ops_mask         = REGULATOR_CHANGE_MODE
+                                       | REGULATOR_CHANGE_STATUS,
+       },
+};
+
+/* VAUX4 for OMAP VDD_CSI2 (camera) */
+static struct regulator_init_data sdp3430_vaux4 = {
+       .constraints = {
+               .min_uV                 = 1800000,
+               .max_uV                 = 1800000,
+               .apply_uV               = true,
+               .valid_modes_mask       = REGULATOR_MODE_NORMAL
+                                       | REGULATOR_MODE_STANDBY,
+               .valid_ops_mask         = REGULATOR_CHANGE_MODE
+                                       | REGULATOR_CHANGE_STATUS,
+       },
+};
+
+/* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
+static struct regulator_init_data sdp3430_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      = &sdp3430_vmmc1_supply,
+};
+
+/* VMMC2 for MMC2 card */
+static struct regulator_init_data sdp3430_vmmc2 = {
+       .constraints = {
+               .min_uV                 = 1850000,
+               .max_uV                 = 1850000,
+               .apply_uV               = true,
+               .valid_modes_mask       = REGULATOR_MODE_NORMAL
+                                       | REGULATOR_MODE_STANDBY,
+               .valid_ops_mask         = REGULATOR_CHANGE_MODE
+                                       | REGULATOR_CHANGE_STATUS,
+       },
+       .num_consumer_supplies  = 1,
+       .consumer_supplies      = &sdp3430_vmmc2_supply,
+};
+
+/* VSIM for OMAP VDD_MMC1A (i/o for DAT4..DAT7) */
+static struct regulator_init_data sdp3430_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      = &sdp3430_vsim_supply,
+};
+
+/* VDAC for DSS driving S-Video */
+static struct regulator_init_data sdp3430_vdac = {
+       .constraints = {
+               .min_uV                 = 1800000,
+               .max_uV                 = 1800000,
+               .apply_uV               = true,
+               .valid_modes_mask       = REGULATOR_MODE_NORMAL
+                                       | REGULATOR_MODE_STANDBY,
+               .valid_ops_mask         = REGULATOR_CHANGE_MODE
+                                       | REGULATOR_CHANGE_STATUS,
+       },
+       .num_consumer_supplies  = 1,
+       .consumer_supplies      = &sdp3430_vdac_supply,
+};
+
+/* VPLL2 for digital video outputs */
+static struct regulator_init_data sdp3430_vpll2 = {
+       .constraints = {
+               .name                   = "VDVI",
+               .min_uV                 = 1800000,
+               .max_uV                 = 1800000,
+               .valid_modes_mask       = REGULATOR_MODE_NORMAL
+                                       | REGULATOR_MODE_STANDBY,
+               .valid_ops_mask         = REGULATOR_CHANGE_MODE
+                                       | REGULATOR_CHANGE_STATUS,
+       },
+       .num_consumer_supplies  = 1,
+       .consumer_supplies      = &sdp3430_vdvi_supply,
+};
+
+static struct twl4030_platform_data sdp3430_twldata = {
+       .irq_base       = TWL4030_IRQ_BASE,
+       .irq_end        = TWL4030_IRQ_END,
+
+       /* platform_data for children goes here */
+       .bci            = &sdp3430_bci_data,
+       .gpio           = &sdp3430_gpio_data,
+       .madc           = &sdp3430_madc_data,
+       .keypad         = &sdp3430_kp_data,
+       .usb            = &sdp3430_usb_data,
+
+       .vaux1          = &sdp3430_vaux1,
+       .vaux2          = &sdp3430_vaux2,
+       .vaux3          = &sdp3430_vaux3,
+       .vaux4          = &sdp3430_vaux4,
+       .vmmc1          = &sdp3430_vmmc1,
+       .vmmc2          = &sdp3430_vmmc2,
+       .vsim           = &sdp3430_vsim,
+       .vdac           = &sdp3430_vdac,
+       .vpll2          = &sdp3430_vpll2,
+};
+
+static struct i2c_board_info __initdata sdp3430_i2c_boardinfo[] = {
+       {
+               I2C_BOARD_INFO("twl4030", 0x48),
+               .flags = I2C_CLIENT_WAKE,
+               .irq = INT_34XX_SYS_NIRQ,
+               .platform_data = &sdp3430_twldata,
+       },
+};
+
+static int __init omap3430_i2c_init(void)
+{
+       /* i2c1 for PMIC only */
+       omap_register_i2c_bus(1, 2600, sdp3430_i2c_boardinfo,
+                       ARRAY_SIZE(sdp3430_i2c_boardinfo));
+       /* i2c2 on camera connector (for sensor control) and optional isp1301 */
+       omap_register_i2c_bus(2, 400, NULL, 0);
+       /* i2c3 on display connector (for DVI, tfp410) */
+       omap_register_i2c_bus(3, 400, NULL, 0);
+       return 0;
+}
+
+static void __init omap_3430sdp_init(void)
+{
+       omap3430_i2c_init();
+       platform_add_devices(sdp3430_devices, ARRAY_SIZE(sdp3430_devices));
+       omap_board_config = sdp3430_config;
+       omap_board_config_size = ARRAY_SIZE(sdp3430_config);
+       if (omap_rev() > OMAP3430_REV_ES1_0)
+               ts_gpio = SDP3430_TS_GPIO_IRQ_SDPV2;
+       else
+               ts_gpio = SDP3430_TS_GPIO_IRQ_SDPV1;
+       sdp3430_spi_board_info[0].irq = gpio_to_irq(ts_gpio);
+       spi_register_board_info(sdp3430_spi_board_info,
+                               ARRAY_SIZE(sdp3430_spi_board_info));
+       ads7846_dev_init();
+       omap_serial_init();
+       usb_musb_init();
+}
+
+static void __init omap_3430sdp_map_io(void)
+{
+       omap2_set_globals_343x();
+       omap2_map_common_io();
+}
+
+MACHINE_START(OMAP_3430SDP, "OMAP3430 3430SDP board")
+       /* Maintainer: Syed Khasim - Texas Instruments Inc */
+       .phys_io        = 0x48000000,
+       .io_pg_offst    = ((0xd8000000) >> 18) & 0xfffc,
+       .boot_params    = 0x80000100,
+       .map_io         = omap_3430sdp_map_io,
+       .init_irq       = omap_3430sdp_init_irq,
+       .init_machine   = omap_3430sdp_init,
+       .timer          = &omap_timer,
+MACHINE_END