[PATCH 1/3] Initial support for Technexion Thunderboard : boardsupport

Daniel Toussaint
2009-12-13T13:33:20Z

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Dear All,

Patches reformatted for mainline.

Daniel Toussaint

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Signed-off-by: Daniel Toussaint <daniel.toussaint@technexion.com>
diff -Nur linux-2.6.32-pristine/arch/arm/mach-omap2/board-omap3thunder.c linux-2.6.32-patched/arch/arm/mach-omap2/board-omap3thunder.c
--- linux-2.6.32-pristine/arch/arm/mach-omap2/board-omap3thunder.c 1970-01-01 01:00:00.000000000 +0100
+++ linux-2.6.32-patched/arch/arm/mach-omap2/board-omap3thunder.c 2009-12-11 13:09:42.000000000 +0100
@@ -0,0 +1,455 @@
+/*
+ * Copyright (C) 2009 Technexion
+ * Modified from mach-omap2/board-omap3beagleboard.c
+ *
+ * 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/io.h>
+#include <linux/leds.h>
+#include <linux/gpio.h>
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/nand.h>
+
+#include <linux/regulator/machine.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 <asm/mach/flash.h>
+
+#include <mach/board.h>
+#include <mach/usb.h>
+#include <linux/usb/otg.h>
+#include <mach/common.h>
+#include <mach/gpmc.h>
+#include <mach/nand.h>
+
+#include "mmc-twl4030.h"
+
+#include <linux/spi/spi.h>
+#include <linux/spi/ads7846.h>
+#include <mach/mcspi.h>
+#include <mach/mmc.h>
+
+#define OMAP3_THUNDER_TS_GPIO 136
+#define GPMC_CS0_BASE 0x60
+#define GPMC_CS_SIZE 0x30
+#define NAND_BLOCK_SIZE SZ_128K
+
+#define THUNDER_DVI_PANEL_EN_GPIO 199
+#define THUNDER_LCD_PANEL_ENVDD 138
+#define THUNDER_LCD_PON 139
+
+static struct mtd_partition omap3thunder_nand_partitions[] = {
+ /* All the partition sizes are listed in terms of NAND block size */
+ {
+ .name = "X-Loader",
+ .offset = 0,
+ .size = 4 * NAND_BLOCK_SIZE,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ },
+ {
+ .name = "U-Boot",
+ .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
+ .size = 15 * NAND_BLOCK_SIZE,
+ .mask_flags = MTD_WRITEABLE, /* force read-only */
+ },
+ {
+ .name = "U-Boot Env",
+ .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
+ .size = 1 * NAND_BLOCK_SIZE,
+ },
+ {
+ .name = "Kernel",
+ .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
+ .size = 32 * NAND_BLOCK_SIZE,
+ },
+ {
+ .name = "File System",
+ .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
+ .size = MTDPART_SIZ_FULL,
+ },
+};
+
+static struct omap_nand_platform_data omap3thunder_nand_data = {
+ .options = NAND_BUSWIDTH_16,
+ .parts = omap3thunder_nand_partitions,
+ .nr_parts = ARRAY_SIZE(omap3thunder_nand_partitions),
+ .dma_channel = -1, /* disable DMA in OMAP NAND driver */
+ .nand_setup = NULL,
+ .dev_ready = NULL,
+};
+
+static struct resource omap3thunder_nand_resource = {
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device omap3thunder_nand_device = {
+ .name = "omap2-nand",
+ .id = -1,
+ .dev = {
+ .platform_data = &omap3thunder_nand_data,
+ },
+ .num_resources = 1,
+ .resource = &omap3thunder_nand_resource,
+};
+
+#include "sdram-micron-mt46h32m32lf-6.h"
+
+static struct omap_uart_config omap3_thunder_uart_config __initdata = {
+ .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
+};
+
+static struct twl4030_usb_data thunder_usb_data = {
+ .usb_mode = T2_USB_MODE_ULPI,
+};
+
+static struct twl4030_hsmmc_info mmc[] = {
+ {
+ .mmc = 1,
+ .wires = 8,
+ .gpio_cd = -EINVAL,
+ .gpio_wp = 29,
+ },
+ {
+ .mmc = 2,
+ .wires = 4,
+ .gpio_cd = -EINVAL,
+ .gpio_wp = -EINVAL,
+ },
+ {} /* Terminator */
+};
+
+static struct regulator_consumer_supply thunder_vmmc1_supply = {
+ .supply = "vmmc",
+};
+
+static struct regulator_consumer_supply thunder_vmmc2_supply = {
+ .supply = "vmmc",
+};
+
+static struct regulator_consumer_supply thunder_vsim_supply = {
+ .supply = "vmmc_aux",
+};
+
+static struct gpio_led gpio_leds[] = {
+ {
+ .name = "thunderboard::usr0",
+ .default_trigger = "heartbeat",
+ .gpio = -EINVAL, /* gets replaced */
+ .active_low = true,
+ },
+};
+
+static int thunder_twl_gpio_setup(struct device *dev,
+ unsigned gpio, unsigned ngpio)
+{
+ mmc[0].gpio_cd = gpio + 0;
+ twl4030_mmc_init(mmc);
+
+ /* link regulators to MMC adapters */
+ thunder_vmmc1_supply.dev = mmc[0].dev;
+ thunder_vmmc2_supply.dev = mmc[1].dev;
+ thunder_vsim_supply.dev = mmc[0].dev;
+
+ /* the LED marked LED 2 (LEDA) */
+ gpio_leds[0].gpio = gpio + TWL4030_GPIO_MAX + 1;
+
+ /* gpio + 7 == DVI Enable */
+ gpio_request(gpio + 7, "EN_DVI");
+ gpio_direction_output(gpio + 7, 0);
+ return 0;
+}
+
+static struct twl4030_gpio_platform_data thunder_gpio_data = {
+ .gpio_base = OMAP_MAX_GPIO_LINES,
+ .irq_base = TWL4030_GPIO_IRQ_BASE,
+ .irq_end = TWL4030_GPIO_IRQ_END,
+ .use_leds = false,
+ .pullups = BIT(1),
+ .pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
+ | BIT(15) | BIT(16) | BIT(17),
+ .setup = thunder_twl_gpio_setup,
+};
+
+
+/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
+static struct regulator_init_data thunder_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 = &thunder_vmmc1_supply,
+};
+
+
+static struct regulator_init_data thunder_vmmc2 = {
+ .constraints = {
+ .min_uV = 1850000,
+ .max_uV = 3150000,
+ .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 = &thunder_vmmc2_supply,
+};
+
+/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
+static struct regulator_init_data thunder_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 = &thunder_vsim_supply,
+};
+
+static struct twl4030_platform_data thunder_twldata = {
+ .irq_base = TWL4030_IRQ_BASE,
+ .irq_end = TWL4030_IRQ_END,
+
+ /* platform_data for children goes here */
+ .usb = &thunder_usb_data,
+ .gpio = &thunder_gpio_data,
+ .vmmc1 = &thunder_vmmc1,
+ .vmmc2 = &thunder_vmmc2,
+ .vsim = &thunder_vsim,
+};
+
+static struct i2c_board_info __initdata thunder_i2c_boardinfo[] = {
+ {
+ I2C_BOARD_INFO("twl4030", 0x48),
+ .flags = I2C_CLIENT_WAKE,
+ .irq = INT_34XX_SYS_NIRQ,
+ .platform_data = &thunder_twldata,
+ },
+};
+
+static int __init omap3_thunder_i2c_init(void)
+{
+ omap_register_i2c_bus(1, 2600, thunder_i2c_boardinfo,
+ ARRAY_SIZE(thunder_i2c_boardinfo));
+ omap_register_i2c_bus(2, 100, NULL, 0);
+ omap_register_i2c_bus(3, 100, NULL, 0);
+ return 0;
+}
+
+static void __init omap3_thunder_init_irq(void)
+{
+ omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
+ mt46h32m32lf6_sdrc_params);
+ omap_init_irq();
+ omap_gpio_init();
+}
+
+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 struct gpio_keys_button gpio_buttons[] = {
+ {
+ .code = BTN_EXTRA,
+ .gpio = 7,
+ .desc = "user",
+ .wakeup = 1,
+ },
+};
+
+static struct gpio_keys_platform_data gpio_key_info = {
+ .buttons = gpio_buttons,
+ .nbuttons = ARRAY_SIZE(gpio_buttons),
+};
+
+static struct platform_device keys_gpio = {
+ .name = "gpio-keys",
+ .id = -1,
+ .dev = {
+ .platform_data = &gpio_key_info,
+ },
+};
+
+static void ads7846_dev_init(void)
+{
+ if (gpio_request(OMAP3_THUNDER_TS_GPIO, "ADS7846 pendown") < 0)
+ printk(KERN_ERR "can't get ads7846 pen down GPIO\n");
+
+ gpio_direction_input(OMAP3_THUNDER_TS_GPIO);
+
+ omap_set_gpio_debounce(OMAP3_THUNDER_TS_GPIO, 1);
+ omap_set_gpio_debounce_time(OMAP3_THUNDER_TS_GPIO, 0xa);
+}
+
+static int ads7846_get_pendown_state(void)
+{
+ return !gpio_get_value(OMAP3_THUNDER_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 omap3thunder_spi_board_touch[] = {
+ {
+ .modalias = "ads7846",
+ .bus_num = 1,
+ .chip_select = 0,
+ .max_speed_hz = 1500000,
+ .controller_data = &ads7846_mcspi_config,
+ .irq = OMAP_GPIO_IRQ(OMAP3_THUNDER_TS_GPIO),
+ .platform_data = &ads7846_config,
+ },
+};
+
+
+/* G-sensor on SPI bus 4 */
+static struct spi_board_info omap3thunder_spi_board_info[] = {
+ {
+ .modalias = "spidev",
+ .max_speed_hz = 1500000,
+ .bus_num = 4,
+ .chip_select = 0,
+ .mode = SPI_MODE_0,
+ },
+};
+
+static struct omap_board_config_kernel omap3_thunder_config[] __initdata = {
+};
+
+static struct platform_device *omap3_thunder_devices[] __initdata = {
+ &leds_gpio,
+ &keys_gpio,
+};
+
+static void __init omap3thunder_flash_init(void)
+{
+ u8 cs = 0;
+ u8 nandcs = GPMC_CS_NUM + 1;
+
+ u32 gpmc_base_add = OMAP34XX_GPMC_VIRT;
+
+ /* find out the chip-select on which NAND exists */
+ while (cs < GPMC_CS_NUM) {
+ u32 ret = 0;
+ ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
+
+ if ((ret & 0xC00) == 0x800) {
+ printk(KERN_INFO "Found NAND on CS%d\n", cs);
+ if (nandcs > GPMC_CS_NUM)
+ nandcs = cs;
+ }
+ cs++;
+ }
+
+ if (nandcs > GPMC_CS_NUM) {
+ printk(KERN_INFO "NAND: Unable to find configuration "
+ "in GPMC\n ");
+ return;
+ }
+
+ if (nandcs < GPMC_CS_NUM) {
+ omap3thunder_nand_data.cs = nandcs;
+ omap3thunder_nand_data.gpmc_cs_baseaddr = (void *)
+ (gpmc_base_add + GPMC_CS0_BASE + nandcs * GPMC_CS_SIZE);
+ omap3thunder_nand_data.gpmc_baseaddr = (void *) (gpmc_base_add);
+
+ printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
+ if (platform_device_register(&omap3thunder_nand_device) < 0)
+ printk(KERN_ERR "Unable to register NAND device\n");
+ }
+}
+
+static void __init omap3_thunder_init(void)
+{
+ omap3_thunder_i2c_init();
+
+ /* Turn on Wireless LAN */
+ gpio_request(157, "WIFI ENABLE");
+ gpio_direction_output(157, 0);
+
+ platform_add_devices(omap3_thunder_devices,
+ ARRAY_SIZE(omap3_thunder_devices));
+ omap_board_config = omap3_thunder_config;
+ omap_board_config_size = ARRAY_SIZE(omap3_thunder_config);
+ omap_serial_init();
+
+ usb_musb_init();
+ omap3thunder_flash_init();
+
+ ads7846_dev_init();
+ spi_register_board_info(omap3thunder_spi_board_touch,
+ ARRAY_SIZE(omap3thunder_spi_board_touch));
+ spi_register_board_info(omap3thunder_spi_board_info,
+ ARRAY_SIZE(omap3thunder_spi_board_info));
+
+}
+
+static void __init omap3_thunder_map_io(void)
+{
+ omap2_set_globals_343x();
+ omap2_map_common_io();
+}
+
+MACHINE_START(OMAP3_THUNDER, "OMAP3 Thunder Board")
+ /* Maintainer: Daniel Toussaint daniel.toussaint@technexion.com */
+ .phys_io = 0x48000000,
+ .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
+ .boot_params = 0x80000100,
+ .map_io = omap3_thunder_map_io,
+ .init_irq = omap3_thunder_init_irq,
+ .init_machine = omap3_thunder_init,
+ .timer = &omap_timer,
+MACHINE_END
diff -Nur linux-2.6.32-pristine/arch/arm/mach-omap2/Kconfig linux-2.6.32-patched/arch/arm/mach-omap2/Kconfig
--- linux-2.6.32-pristine/arch/arm/mach-omap2/Kconfig 2009-12-03 04:51:21.000000000 +0100
+++ linux-2.6.32-patched/arch/arm/mach-omap2/Kconfig 2009-12-11 12:47:22.000000000 +0100
@@ -100,3 +100,7 @@
config MACH_OMAP_4430SDP
bool "OMAP 4430 SDP board"
depends on ARCH_OMAP4
+
+config MACH_OMAP3_THUNDER
+ bool "Thunder OMAP3530 board"
+ depends on ARCH_OMAP3 && ARCH_OMAP34XX
diff -Nur linux-2.6.32-pristine/arch/arm/mach-omap2/Makefile linux-2.6.32-patched/arch/arm/mach-omap2/Makefile
--- linux-2.6.32-pristine/arch/arm/mach-omap2/Makefile 2009-12-03 04:51:21.000000000 +0100
+++ linux-2.6.32-patched/arch/arm/mach-omap2/Makefile 2009-12-11 12:46:05.000000000 +0100
@@ -77,6 +77,9 @@

obj-$(CONFIG_MACH_OMAP_4430SDP) += board-4430sdp.o

+obj-$(CONFIG_MACH_OMAP3_THUNDER) += board-omap3thunder.o \
+ mmc-twl4030.o
+
# Platform specific device init code
obj-y += usb-musb.o
obj-$(CONFIG_MACH_OMAP2_TUSB6010) += usb-tusb6010.o