* Mike Rapoport <[email protected]> [091014 01:14]:
> This patch adds basic support for CompuLab CM-T35 module.
>
> Signed-off-by: Mike Rapoport <[email protected]>
> ---
> arch/arm/mach-omap2/Kconfig | 4 +
> arch/arm/mach-omap2/Makefile | 2 +
> arch/arm/mach-omap2/board-cm-t35.c | 459
> ++++++++++++++++++++++++++++++++++++
> 3 files changed, 465 insertions(+), 0 deletions(-)
> create mode 100644 arch/arm/mach-omap2/board-cm-t35.c
>
> diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
> index 75b1c7e..f80439e 100644
> --- a/arch/arm/mach-omap2/Kconfig
> +++ b/arch/arm/mach-omap2/Kconfig
> @@ -85,6 +85,10 @@ config MACH_OMAP_ZOOM2
> bool "OMAP3 Zoom2 board"
> depends on ARCH_OMAP3 && ARCH_OMAP34XX
>
> +config MACH_CM_T35
> + bool "CompuLab CM-T35 module"
> + depends on ARCH_OMAP3 && ARCH_OMAP34XX
> +
> config MACH_OMAP_4430SDP
> bool "OMAP 4430 SDP board"
> depends on ARCH_OMAP4
> diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
> index 8cb1677..7468505 100644
> --- a/arch/arm/mach-omap2/Makefile
> +++ b/arch/arm/mach-omap2/Makefile
> @@ -74,6 +74,8 @@ obj-$(CONFIG_MACH_NOKIA_RX51) += board-rx51.o
> \
> obj-$(CONFIG_MACH_OMAP_ZOOM2) += board-zoom2.o \
> mmc-twl4030.o \
> board-zoom-debugboard.o
> +obj-$(CONFIG_MACH_CM_T35) += board-cm-t35.o \
> + mmc-twl4030.o
>
> obj-$(CONFIG_MACH_OMAP_4430SDP) += board-4430sdp.o
>
> diff --git a/arch/arm/mach-omap2/board-cm-t35.c
> b/arch/arm/mach-omap2/board-cm-t35.c
> new file mode 100644
> index 0000000..94c1f35
> --- /dev/null
> +++ b/arch/arm/mach-omap2/board-cm-t35.c
> @@ -0,0 +1,459 @@
> +/*
> + * board-cm-t35.c (CompuLab CM-T35 module)
> + *
> + * Copyright (C) 2009 CompuLab, Ltd.
> + * Author: Mike Rapoport <[email protected]>
> + *
> + * 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.
> + *
> + * This program is distributed in the hope that it will be useful, but
> + * WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> + * General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
> + * 02110-1301 USA
> + *
> + */
> +
> +#include <linux/kernel.h>
> +#include <linux/init.h>
> +#include <linux/platform_device.h>
> +#include <linux/input.h>
> +#include <linux/delay.h>
> +
> +#include <linux/i2c/at24.h>
> +#include <linux/i2c/twl4030.h>
> +#include <linux/regulator/machine.h>
> +
> +#include <asm/mach-types.h>
> +#include <asm/mach/arch.h>
> +#include <asm/mach/map.h>
> +
> +#include <mach/board.h>
> +#include <mach/common.h>
> +#include <mach/hardware.h>
> +#include <mach/gpio.h>
This should be linux/gpio.h.
> +#include <mach/mux.h>
> +#include <mach/nand.h>
> +#include <mach/keypad.h>
> +#include <mach/gpmc.h>
> +#include <mach/usb.h>
> +
> +#include "sdram-micron-mt46h32m32lf-6.h"
> +#include "mmc-twl4030.h"
> +
> +#define CM_T35_GPIO_PENDOWN 57
> +
> +#define CM_T35_SMSC911X_CS 5
> +#define CM_T35_SMSC911X_GPIO 163
> +
> +#define NAND_BLOCK_SIZE SZ_128K
> +#define GPMC_CS0_BASE 0x60
> +#define GPMC_CS0_BASE_ADDR (OMAP34XX_GPMC_VIRT + GPMC_CS0_BASE)
> +
> +#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
> +#include <linux/smsc911x.h>
> +
> +static struct resource cm_t35_smsc911x_resources[] = {
> + {
> + .name = "smsc911x-memory",
> + .flags = IORESOURCE_MEM,
> + },
> + {
> + .start = OMAP_GPIO_IRQ(CM_T35_SMSC911X_GPIO),
> + .end = OMAP_GPIO_IRQ(CM_T35_SMSC911X_GPIO),
> + .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
> + },
> +};
> +
> +static struct smsc911x_platform_config cm_t35_smsc911x_config = {
> + .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
> + .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
> + .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
> + .phy_interface = PHY_INTERFACE_MODE_MII,
> +};
> +
> +static struct platform_device cm_t35_smsc911x_device = {
> + .name = "smsc911x",
> + .id = 0,
> + .num_resources = ARRAY_SIZE(cm_t35_smsc911x_resources),
> + .resource = cm_t35_smsc911x_resources,
> + .dev = {
> + .platform_data = &cm_t35_smsc911x_config,
> + },
> +};
> +
> +static void __init cm_t35_init_smsc911x(void)
> +{
> + unsigned long cs_mem_base;
> +
> + if (gpmc_cs_request(CM_T35_SMSC911X_CS, SZ_16M, &cs_mem_base) < 0) {
> + pr_err("CM-T35: Failed request for GPMC mem for smsc911x\n");
> + return;
> + }
> +
> + cm_t35_smsc911x_resources[0].start = cs_mem_base + 0x0;
> + cm_t35_smsc911x_resources[0].end = cs_mem_base + 0xff;
> +
> + if ((gpio_request(CM_T35_SMSC911X_GPIO, "CM ETH IRQ") == 0) &&
> + (gpio_direction_input(CM_T35_SMSC911X_GPIO) == 0)) {
> + gpio_export(CM_T35_SMSC911X_GPIO, 0);
> + } else {
> + pr_err("CM-T35: could not obtain gpio for SMSC911X IRQ\n");
> + return;
> + }
> +
> + platform_device_register(&cm_t35_smsc911x_device);
> +}
> +#else
> +static inline void __init cm_t35_init_smsc911x(void) { return; }
> +#endif
> +
> +#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
> +#include <linux/leds.h>
> +
> +static struct gpio_led cm_t35_leds[] = {
> + [0] = {
> + .gpio = 186,
> + .name = "cm-t35:green",
> + .default_trigger = "heartbeat",
> + .active_low = 1,
> + },
> +};
> +
> +static struct gpio_led_platform_data cm_t35_led_pdata = {
> + .num_leds = ARRAY_SIZE(cm_t35_leds),
> + .leds = cm_t35_leds,
> +};
While at it, maybe align these two above with tabs before
the equal signs?
> +
> +static struct platform_device cm_t35_led_device = {
> + .name = "leds-gpio",
> + .id = -1,
> + .dev = {
> + .platform_data = &cm_t35_led_pdata,
> + },
> +};
> +
> +static void __init cm_t35_init_led(void)
> +{
> + platform_device_register(&cm_t35_led_device);
> +}
> +#else
> +static inline void cm_t35_init_led(void) {}
> +#endif
> +
> +#if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE)
> +#include <linux/mtd/mtd.h>
> +#include <linux/mtd/nand.h>
> +#include <linux/mtd/partitions.h>
> +
> +static struct mtd_partition cm_t35_nand_partitions[] = {
> + {
> + .name = "xloader",
> + .offset = 0, /* Offset = 0x00000 */
> + .size = 4 * NAND_BLOCK_SIZE,
> + .mask_flags = MTD_WRITEABLE
> + },
> + {
> + .name = "uboot",
> + .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
> + .size = 15 * NAND_BLOCK_SIZE,
> + },
> + {
> + .name = "uboot environment",
> + .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
> + .size = 2 * NAND_BLOCK_SIZE,
> + },
> + {
> + .name = "linux",
> + .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
> + .size = 32 * NAND_BLOCK_SIZE,
> + },
> + {
> + .name = "rootfs",
> + .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
> + .size = MTDPART_SIZ_FULL,
> + },
> +};
> +
> +static struct omap_nand_platform_data cm_t35_nand_data = {
> + .parts = cm_t35_nand_partitions,
> + .nr_parts = ARRAY_SIZE(cm_t35_nand_partitions),
> + .dma_channel = -1, /* disable DMA in OMAP NAND driver */
> + .cs = 0,
> + .gpmc_cs_baseaddr = (void __iomem *)GPMC_CS0_BASE_ADDR,
> + .gpmc_baseaddr = (void __iomem *)OMAP34XX_GPMC_VIRT,
> +
> +};
> +
> +static struct resource cm_t35_nand_resource = {
> + .flags = IORESOURCE_MEM,
> +};
> +
> +static struct platform_device cm_t35_nand_device = {
> + .name = "omap2-nand",
> + .id = -1,
> + .num_resources = 1,
> + .resource = &cm_t35_nand_resource,
> + .dev = {
> + .platform_data = &cm_t35_nand_data,
> + },
> +};
> +
> +static void __init cm_t35_init_nand(void)
> +{
> + if (platform_device_register(&cm_t35_nand_device) < 0)
> + pr_err("CM-T35: Unable to register NAND device\n");
> +}
> +#else
> +static inline void cm_t35_init_nand(void) {}
> +#endif
> +
> +#if defined(CONFIG_TOUCHSCREEN_ADS7846) || \
> + defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
> +#include <linux/spi/spi.h>
> +#include <linux/spi/ads7846.h>
> +#include <linux/spi/tdo24m.h>
> +
> +#include <mach/mcspi.h>
> +
> +static struct omap2_mcspi_device_config ads7846_mcspi_config = {
> + .turbo_mode = 0,
> + .single_channel = 1, /* 0: slave, 1: master */
> +};
> +
> +static int ads7846_get_pendown_state(void)
> +{
> + return !gpio_get_value(CM_T35_GPIO_PENDOWN);
> +}
> +
> +static 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,
> +};
> +
> +static struct spi_board_info cm_t35_spi_board_info[] __initdata = {
> + {
> + .modalias = "ads7846",
> + .bus_num = 1,
> + .chip_select = 0,
> + .max_speed_hz = 1500000,
> + .controller_data = &ads7846_mcspi_config,
> + .irq = OMAP_GPIO_IRQ(CM_T35_GPIO_PENDOWN),
> + .platform_data = &ads7846_config,
> + },
> +};
> +
> +static void __init cm_t35_init_ads7846(void)
> +{
> + if ((gpio_request(CM_T35_GPIO_PENDOWN, "ADS7846_PENDOWN") == 0) &&
> + (gpio_direction_input(CM_T35_GPIO_PENDOWN) == 0)) {
> + gpio_export(CM_T35_GPIO_PENDOWN, 0);
> + } else {
> + pr_err("CM-T35: could not obtain gpio for ADS7846_PENDOWN\n");
> + return;
> + }
> +
> + spi_register_board_info(cm_t35_spi_board_info,
> + ARRAY_SIZE(cm_t35_spi_board_info));
> +}
> +#else
> +static inline void cm_t35_init_ads7846(void) {}
> +#endif
> +
> +static struct regulator_consumer_supply cm_t35_vmmc1_supply = {
> + .supply = "vmmc",
> +};
> +
> +static struct regulator_consumer_supply cm_t35_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 cm_t35_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 = &cm_t35_vmmc1_supply,
> +};
> +
> +/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
> +static struct regulator_init_data cm_t35_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 = &cm_t35_vsim_supply,
> +};
> +
> +static struct twl4030_usb_data cm_t35_usb_data = {
> + .usb_mode = T2_USB_MODE_ULPI,
> +};
> +
> +static int cm_t35_keymap[] = {
> + KEY(0, 0, KEY_A), KEY(0, 1, KEY_B), KEY(0, 2, KEY_LEFT),
> + KEY(1, 0, KEY_UP), KEY(1, 1, KEY_ENTER), KEY(1, 2, KEY_DOWN),
> + KEY(2, 0, KEY_RIGHT), KEY(2, 1, KEY_C), KEY(2, 2, KEY_D),
> +};
> +
> +static struct matrix_keymap_data cm_t35_keymap_data = {
> + .keymap = cm_t35_keymap,
> + .keymap_size = ARRAY_SIZE(cm_t35_keymap),
> +};
> +
> +static struct twl4030_keypad_data cm_t35_kp_data = {
> + .keymap_data = &cm_t35_keymap_data,
> + .rows = 3,
> + .cols = 3,
> + .rep = 1,
> +};
> +
> +static struct twl4030_hsmmc_info mmc[] = {
> + {
> + .mmc = 1,
> + .wires = 4,
> + .gpio_cd = -EINVAL,
> + .gpio_wp = -EINVAL,
> +
> + },
> + {
> + .mmc = 2,
> + .wires = 4,
> + .transceiver = 1,
> + .gpio_cd = -EINVAL,
> + .gpio_wp = -EINVAL,
> + .ocr_mask = 0x00100000, /* 3.3V */
> + },
> + {} /* Terminator */
> +};
> +
> +static int cm_t35_twl_gpio_setup(struct device *dev, unsigned gpio,
> + unsigned ngpio)
> +{
> + int wlan_rst = gpio + 2;
> +
> + if ((gpio_request(wlan_rst, "WLAN RST") == 0) &&
> + (gpio_direction_output(wlan_rst, 1) == 0)) {
> + gpio_export(wlan_rst, 0);
> +
> + udelay(10);
> + gpio_set_value(wlan_rst, 0);
> + udelay(10);
> + gpio_set_value(wlan_rst, 1);
> + } else {
> + pr_err("CM-T35: could not obtain gpio for WiFi reset\n");
> + }
> +
> + /* gpio + 0 is "mmc0_cd" (input/IRQ) */
> + mmc[0].gpio_cd = gpio + 0;
> + twl4030_mmc_init(mmc);
> +
> + /* link regulators to MMC adapters */
> + cm_t35_vmmc1_supply.dev = mmc[0].dev;
> + cm_t35_vsim_supply.dev = mmc[0].dev;
> +
> + return 0;
> +}
> +
> +static struct twl4030_gpio_platform_data cm_t35_gpio_data = {
> + .gpio_base = OMAP_MAX_GPIO_LINES,
> + .irq_base = TWL4030_GPIO_IRQ_BASE,
> + .irq_end = TWL4030_GPIO_IRQ_END,
> + .setup = cm_t35_twl_gpio_setup,
> +};
> +
> +static struct twl4030_platform_data cm_t35_twldata = {
> + .irq_base = TWL4030_IRQ_BASE,
> + .irq_end = TWL4030_IRQ_END,
> +
> + /* platform_data for children goes here */
> + .keypad = &cm_t35_kp_data,
> + .usb = &cm_t35_usb_data,
> + .gpio = &cm_t35_gpio_data,
> + .vmmc1 = &cm_t35_vmmc1,
> + .vsim = &cm_t35_vsim,
> +};
> +
> +static struct i2c_board_info __initdata cm_t35_i2c_boardinfo[] = {
> + {
> + I2C_BOARD_INFO("tps65930", 0x48),
> + .flags = I2C_CLIENT_WAKE,
> + .irq = INT_34XX_SYS_NIRQ,
> + .platform_data = &cm_t35_twldata,
> + },
> +};
> +
> +static void __init cm_t35_init_i2c(void)
> +{
> + omap_register_i2c_bus(1, 2600, cm_t35_i2c_boardinfo,
> + ARRAY_SIZE(cm_t35_i2c_boardinfo));
> +}
> +
> +static struct omap_board_config_kernel cm_t35_config[] __initdata = {
> +};
> +
> +static void __init cm_t35_init_irq(void)
> +{
> + omap_board_config = cm_t35_config;
> + omap_board_config_size = ARRAY_SIZE(cm_t35_config);
> +
> + omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
> + mt46h32m32lf6_sdrc_params);
> + omap_init_irq();
> + omap_gpio_init();
> +}
> +
> +static void __init cm_t35_map_io(void)
> +{
> + omap2_set_globals_343x();
> + omap2_map_common_io();
> +}
> +
> +static void __init cm_t35_init(void)
> +{
> + omap_serial_init();
> + cm_t35_init_i2c();
> + cm_t35_init_nand();
> + cm_t35_init_ads7846();
> + cm_t35_init_smsc911x();
> + cm_t35_init_led();
> +
> + usb_musb_init();
> +
> + omap_cfg_reg(AF26_34XX_SYS_NIRQ);
> +}
> +
> +MACHINE_START(CM_T35, "Compulab CM-T35")
> + .phys_io = 0x48000000,
> + .io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
> + .boot_params = 0x80000100,
> + .map_io = cm_t35_map_io,
> + .init_irq = cm_t35_init_irq,
> + .init_machine = cm_t35_init,
> + .timer = &omap_timer,
> +MACHINE_END
> --
> 1.6.0.6
>
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