[PATCH 05/12] omap3: Add CompuLab CM-T35 board support
Tony Lindgren
tony at atomide.com
Tue Nov 17 18:05:49 EST 2009
From: Mike Rapoport <mike at compulab.co.il>
This patch adds basic support for CompuLab CM-T35 module.
Signed-off-by: Mike Rapoport <mike at compulab.co.il>
Signed-off-by: Tony Lindgren <tony at atomide.com>
---
arch/arm/mach-omap2/Kconfig | 4
arch/arm/mach-omap2/Makefile | 2
arch/arm/mach-omap2/board-cm-t35.c | 507 ++++++++++++++++++++++++++++++++++++
3 files changed, 513 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 0d14dde..fa20996 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -101,6 +101,10 @@ config MACH_OMAP_ZOOM3
bool "OMAP3630 Zoom3 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 d56fb2b..1b37f2a 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -83,6 +83,8 @@ obj-$(CONFIG_MACH_OMAP_ZOOM3) += board-zoom3.o \
board-zoom-peripherals.o \
mmc-twl4030.o \
board-zoom-debugboard.o
+obj-$(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..22c4529
--- /dev/null
+++ b/arch/arm/mach-omap2/board-cm-t35.c
@@ -0,0 +1,507 @@
+/*
+ * board-cm-t35.c (CompuLab CM-T35 module)
+ *
+ * Copyright (C) 2009 CompuLab, Ltd.
+ * Author: Mike Rapoport <mike at compulab.co.il>
+ *
+ * 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/input/matrix_keypad.h>
+#include <linux/delay.h>
+#include <linux/gpio.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 <plat/board.h>
+#include <plat/common.h>
+#include <plat/mux.h>
+#include <plat/nand.h>
+#include <plat/gpmc.h>
+#include <plat/usb.h>
+
+#include <mach/hardware.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 SB_T35_SMSC911X_CS 4
+#define SB_T35_SMSC911X_GPIO 65
+
+#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 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 resource cm_t35_smsc911x_resources[] = {
+ {
+ .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 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 struct resource sb_t35_smsc911x_resources[] = {
+ {
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = OMAP_GPIO_IRQ(SB_T35_SMSC911X_GPIO),
+ .end = OMAP_GPIO_IRQ(SB_T35_SMSC911X_GPIO),
+ .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
+ },
+};
+
+static struct platform_device sb_t35_smsc911x_device = {
+ .name = "smsc911x",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(sb_t35_smsc911x_resources),
+ .resource = sb_t35_smsc911x_resources,
+ .dev = {
+ .platform_data = &cm_t35_smsc911x_config,
+ },
+};
+
+static void __init cm_t35_init_smsc911x(struct platform_device *dev,
+ int cs, int irq_gpio)
+{
+ unsigned long cs_mem_base;
+
+ if (gpmc_cs_request(cs, SZ_16M, &cs_mem_base) < 0) {
+ pr_err("CM-T35: Failed request for GPMC mem for smsc911x\n");
+ return;
+ }
+
+ dev->resource[0].start = cs_mem_base + 0x0;
+ dev->resource[0].end = cs_mem_base + 0xff;
+
+ if ((gpio_request(irq_gpio, "ETH IRQ") == 0) &&
+ (gpio_direction_input(irq_gpio) == 0)) {
+ gpio_export(irq_gpio, 0);
+ } else {
+ pr_err("CM-T35: could not obtain gpio for SMSC911X IRQ\n");
+ return;
+ }
+
+ platform_device_register(dev);
+}
+
+static void __init cm_t35_init_ethernet(void)
+{
+ cm_t35_init_smsc911x(&cm_t35_smsc911x_device,
+ CM_T35_SMSC911X_CS, CM_T35_SMSC911X_GPIO);
+ cm_t35_init_smsc911x(&sb_t35_smsc911x_device,
+ SB_T35_SMSC911X_CS, SB_T35_SMSC911X_GPIO);
+}
+#else
+static inline void __init cm_t35_init_ethernet(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 = 0,
+ },
+};
+
+static struct gpio_led_platform_data cm_t35_led_pdata = {
+ .num_leds = ARRAY_SIZE(cm_t35_leds),
+ .leds = cm_t35_leds,
+};
+
+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 <plat/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 struct ehci_hcd_omap_platform_data ehci_pdata = {
+ .port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
+ .port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
+ .port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
+
+ .phy_reset = true,
+ .reset_gpio_port[0] = -EINVAL,
+ .reset_gpio_port[1] = -EINVAL,
+ .reset_gpio_port[2] = -EINVAL
+};
+
+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;
+
+ /* setup USB with proper PHY reset GPIOs */
+ ehci_pdata.reset_gpio_port[0] = gpio + 6;
+ ehci_pdata.reset_gpio_port[1] = gpio + 7;
+
+ usb_ehci_init(&ehci_pdata);
+
+ 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_ethernet();
+ 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
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