77640aabd7
Implement GPIO as a platform device. GPIO APIs are used in machine_init functions. Hence it is required to complete GPIO probe before board_init. Therefore GPIO device register and driver register are implemented as postcore_initcalls. omap_gpio_init() does nothing now and this function would be removed in the next patch as it's usage is spread across most of the board files. Inorder to convert GPIO as platform device, modifications are required in clockxxxx_data.c file for OMAP1 so that device names can be used to obtain clock instead of getting clocks by name/NULL ptr. Use runtime pm APIs (pm_runtime_put*/pm_runtime_get*) for enabling or disabling the clocks, modify sysconfig settings and remove usage of clock FW APIs. Note 1: Converting GPIO driver to use runtime PM APIs is not done as a separate patch because GPIO clock names are different for various OMAPs and are different for some of the banks in the same CPU. This would need usage of cpu_is checks and bank id checks while using clock FW APIs in the gpio driver. Hence while making GPIO a platform driver framework, PM runtime APIs are used directly. Note 2: While implementing GPIO as a platform device, pm runtime APIs are used as mentioned above and modification is not done in gpio's prepare for idle/ resume after idle functions. This would be done in the next patch series and GPIO driver would be made to use dev_pm_ops instead of sysdev_class in that series only. Due to the above, the GPIO driver implicitly relies on CM_AUTOIDLE = 1 on its iclk for power management to work, since the driver never disables its iclk. This would be taken care in the next patch series (see Note 3 below). Refer to http://www.mail-archive.com/linux-omap@vger.kernel.org/msg39112.html for more details. Note 3: only pm_runtime_get_sync is called in gpio's probe() and pm_runtime_put* is never called. This is to make the implementation similar to the existing GPIO code. Another patch series would be sent to correct this. In OMAP3 and OMAP4 gpio's debounce clocks are optional clocks. They are enabled/ disabled whenever required using clock framework APIs TODO: 1. Cleanup the GPIO driver. Use function pointers and register offest pointers instead of using hardcoded values 2. Remove all cpu_is_ checks and OMAP specific macros 3. Remove usage of gpio_bank array so that only instance specific information is used in driver code 4. Rename 'method'/ avoid it's usage 5. Fix the non-wakeup gpios handling for OMAP2430, OMAP3 & OMAP4 6. Modify gpio's prepare for idle/ resume after idle functions to use runtime pm implentation. Signed-off-by: Charulatha V <charu@ti.com> Signed-off-by: Rajendra Nayak <rnayak@ti.com> Reviewed-by: Basak, Partha <p-basak2@ti.com> Acked-by: Kevin Hilman <khilman@deeprootsystems.com> [tony@atomide.com: updated for bank specific revision and updated boards] Signed-off-by: Tony Lindgren <tony@atomide.com>
648 lines
17 KiB
C
648 lines
17 KiB
C
/*
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* Copyright (C) 2009 Integration Software and Electronic Engineering.
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*
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* Modified from mach-omap2/board-generic.c
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/delay.h>
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#include <linux/err.h>
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#include <linux/clk.h>
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#include <linux/io.h>
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#include <linux/gpio.h>
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#include <linux/interrupt.h>
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#include <linux/regulator/machine.h>
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#include <linux/i2c/twl.h>
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#include <linux/mmc/host.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <plat/board.h>
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#include <plat/common.h>
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#include <plat/gpmc.h>
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#include <plat/usb.h>
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#include <plat/display.h>
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#include <plat/onenand.h>
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#include "mux.h"
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#include "hsmmc.h"
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#include "sdram-numonyx-m65kxxxxam.h"
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#define IGEP2_SMSC911X_CS 5
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#define IGEP2_SMSC911X_GPIO 176
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#define IGEP2_GPIO_USBH_NRESET 24
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#define IGEP2_GPIO_LED0_GREEN 26
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#define IGEP2_GPIO_LED0_RED 27
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#define IGEP2_GPIO_LED1_RED 28
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#define IGEP2_GPIO_DVI_PUP 170
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#define IGEP2_RB_GPIO_WIFI_NPD 94
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#define IGEP2_RB_GPIO_WIFI_NRESET 95
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#define IGEP2_RB_GPIO_BT_NRESET 137
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#define IGEP2_RC_GPIO_WIFI_NPD 138
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#define IGEP2_RC_GPIO_WIFI_NRESET 139
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#define IGEP2_RC_GPIO_BT_NRESET 137
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/*
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* IGEP2 Hardware Revision Table
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*
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* --------------------------------------------------------------------------
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* | Id. | Hw Rev. | HW0 (28) | WIFI_NPD | WIFI_NRESET | BT_NRESET |
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* --------------------------------------------------------------------------
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* | 0 | B | high | gpio94 | gpio95 | - |
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* | 0 | B/C (B-compatible) | high | gpio94 | gpio95 | gpio137 |
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* | 1 | C | low | gpio138 | gpio139 | gpio137 |
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* --------------------------------------------------------------------------
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*/
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#define IGEP2_BOARD_HWREV_B 0
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#define IGEP2_BOARD_HWREV_C 1
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static u8 hwrev;
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static void __init igep2_get_revision(void)
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{
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u8 ret;
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omap_mux_init_gpio(IGEP2_GPIO_LED1_RED, OMAP_PIN_INPUT);
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if ((gpio_request(IGEP2_GPIO_LED1_RED, "GPIO_HW0_REV") == 0) &&
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(gpio_direction_input(IGEP2_GPIO_LED1_RED) == 0)) {
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ret = gpio_get_value(IGEP2_GPIO_LED1_RED);
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if (ret == 0) {
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pr_info("IGEP2: Hardware Revision C (B-NON compatible)\n");
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hwrev = IGEP2_BOARD_HWREV_C;
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} else if (ret == 1) {
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pr_info("IGEP2: Hardware Revision B/C (B compatible)\n");
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hwrev = IGEP2_BOARD_HWREV_B;
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} else {
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pr_err("IGEP2: Unknown Hardware Revision\n");
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hwrev = -1;
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}
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} else {
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pr_warning("IGEP2: Could not obtain gpio GPIO_HW0_REV\n");
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pr_err("IGEP2: Unknown Hardware Revision\n");
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}
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gpio_free(IGEP2_GPIO_LED1_RED);
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}
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#if defined(CONFIG_MTD_ONENAND_OMAP2) || \
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defined(CONFIG_MTD_ONENAND_OMAP2_MODULE)
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#define ONENAND_MAP 0x20000000
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/* NAND04GR4E1A ( x2 Flash built-in COMBO POP MEMORY )
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* Since the device is equipped with two DataRAMs, and two-plane NAND
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* Flash memory array, these two component enables simultaneous program
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* of 4KiB. Plane1 has only even blocks such as block0, block2, block4
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* while Plane2 has only odd blocks such as block1, block3, block5.
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* So MTD regards it as 4KiB page size and 256KiB block size 64*(2*2048)
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*/
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static struct mtd_partition igep2_onenand_partitions[] = {
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{
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.name = "X-Loader",
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.offset = 0,
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.size = 2 * (64*(2*2048))
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},
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{
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.name = "U-Boot",
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.offset = MTDPART_OFS_APPEND,
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.size = 6 * (64*(2*2048)),
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},
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{
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.name = "Environment",
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.offset = MTDPART_OFS_APPEND,
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.size = 2 * (64*(2*2048)),
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},
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{
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.name = "Kernel",
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.offset = MTDPART_OFS_APPEND,
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.size = 12 * (64*(2*2048)),
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},
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{
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.name = "File System",
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.offset = MTDPART_OFS_APPEND,
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.size = MTDPART_SIZ_FULL,
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},
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};
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static struct omap_onenand_platform_data igep2_onenand_data = {
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.parts = igep2_onenand_partitions,
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.nr_parts = ARRAY_SIZE(igep2_onenand_partitions),
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.dma_channel = -1, /* disable DMA in OMAP OneNAND driver */
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};
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static struct platform_device igep2_onenand_device = {
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.name = "omap2-onenand",
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.id = -1,
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.dev = {
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.platform_data = &igep2_onenand_data,
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},
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};
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static void __init igep2_flash_init(void)
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{
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u8 cs = 0;
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u8 onenandcs = GPMC_CS_NUM + 1;
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for (cs = 0; cs < GPMC_CS_NUM; cs++) {
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u32 ret;
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ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
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/* Check if NAND/oneNAND is configured */
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if ((ret & 0xC00) == 0x800)
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/* NAND found */
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pr_err("IGEP2: Unsupported NAND found\n");
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else {
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ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG7);
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if ((ret & 0x3F) == (ONENAND_MAP >> 24))
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/* ONENAND found */
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onenandcs = cs;
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}
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}
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if (onenandcs > GPMC_CS_NUM) {
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pr_err("IGEP2: Unable to find configuration in GPMC\n");
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return;
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}
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igep2_onenand_data.cs = onenandcs;
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if (platform_device_register(&igep2_onenand_device) < 0)
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pr_err("IGEP2: Unable to register OneNAND device\n");
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}
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#else
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static void __init igep2_flash_init(void) {}
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#endif
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#if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
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#include <linux/smsc911x.h>
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static struct smsc911x_platform_config igep2_smsc911x_config = {
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.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
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.irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
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.flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS ,
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.phy_interface = PHY_INTERFACE_MODE_MII,
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};
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static struct resource igep2_smsc911x_resources[] = {
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{
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.flags = IORESOURCE_MEM,
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},
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{
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.start = OMAP_GPIO_IRQ(IGEP2_SMSC911X_GPIO),
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.end = OMAP_GPIO_IRQ(IGEP2_SMSC911X_GPIO),
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.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
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},
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};
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static struct platform_device igep2_smsc911x_device = {
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.name = "smsc911x",
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.id = 0,
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.num_resources = ARRAY_SIZE(igep2_smsc911x_resources),
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.resource = igep2_smsc911x_resources,
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.dev = {
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.platform_data = &igep2_smsc911x_config,
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},
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};
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static inline void __init igep2_init_smsc911x(void)
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{
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unsigned long cs_mem_base;
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if (gpmc_cs_request(IGEP2_SMSC911X_CS, SZ_16M, &cs_mem_base) < 0) {
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pr_err("IGEP v2: Failed request for GPMC mem for smsc911x\n");
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gpmc_cs_free(IGEP2_SMSC911X_CS);
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return;
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}
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igep2_smsc911x_resources[0].start = cs_mem_base + 0x0;
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igep2_smsc911x_resources[0].end = cs_mem_base + 0xff;
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if ((gpio_request(IGEP2_SMSC911X_GPIO, "SMSC911X IRQ") == 0) &&
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(gpio_direction_input(IGEP2_SMSC911X_GPIO) == 0)) {
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gpio_export(IGEP2_SMSC911X_GPIO, 0);
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} else {
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pr_err("IGEP v2: Could not obtain gpio for for SMSC911X IRQ\n");
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return;
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}
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platform_device_register(&igep2_smsc911x_device);
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}
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#else
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static inline void __init igep2_init_smsc911x(void) { }
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#endif
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static struct regulator_consumer_supply igep2_vmmc1_supply = {
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.supply = "vmmc",
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};
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/* VMMC1 for OMAP VDD_MMC1 (i/o) and MMC1 card */
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static struct regulator_init_data igep2_vmmc1 = {
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.constraints = {
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.min_uV = 1850000,
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.max_uV = 3150000,
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.valid_modes_mask = REGULATOR_MODE_NORMAL
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| REGULATOR_MODE_STANDBY,
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.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
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| REGULATOR_CHANGE_MODE
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| REGULATOR_CHANGE_STATUS,
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},
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.num_consumer_supplies = 1,
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.consumer_supplies = &igep2_vmmc1_supply,
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};
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static struct omap2_hsmmc_info mmc[] = {
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{
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.mmc = 1,
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.caps = MMC_CAP_4_BIT_DATA,
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.gpio_cd = -EINVAL,
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.gpio_wp = -EINVAL,
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},
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#if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
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{
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.mmc = 2,
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.caps = MMC_CAP_4_BIT_DATA,
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.gpio_cd = -EINVAL,
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.gpio_wp = -EINVAL,
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},
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#endif
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{} /* Terminator */
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};
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#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
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#include <linux/leds.h>
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static struct gpio_led igep2_gpio_leds[] = {
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[0] = {
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.name = "gpio-led:red:d0",
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.gpio = IGEP2_GPIO_LED0_RED,
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.default_trigger = "default-off"
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},
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[1] = {
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.name = "gpio-led:green:d0",
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.gpio = IGEP2_GPIO_LED0_GREEN,
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.default_trigger = "default-off",
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},
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[2] = {
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.name = "gpio-led:red:d1",
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.gpio = IGEP2_GPIO_LED1_RED,
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.default_trigger = "default-off",
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},
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[3] = {
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.name = "gpio-led:green:d1",
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.default_trigger = "heartbeat",
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.gpio = -EINVAL, /* gets replaced */
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},
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};
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static struct gpio_led_platform_data igep2_led_pdata = {
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.leds = igep2_gpio_leds,
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.num_leds = ARRAY_SIZE(igep2_gpio_leds),
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};
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static struct platform_device igep2_led_device = {
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.name = "leds-gpio",
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.id = -1,
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.dev = {
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.platform_data = &igep2_led_pdata,
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},
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};
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static void __init igep2_leds_init(void)
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{
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platform_device_register(&igep2_led_device);
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}
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#else
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static inline void igep2_leds_init(void)
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{
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if ((gpio_request(IGEP2_GPIO_LED0_RED, "gpio-led:red:d0") == 0) &&
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(gpio_direction_output(IGEP2_GPIO_LED0_RED, 1) == 0)) {
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gpio_export(IGEP2_GPIO_LED0_RED, 0);
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gpio_set_value(IGEP2_GPIO_LED0_RED, 0);
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} else
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pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_RED\n");
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if ((gpio_request(IGEP2_GPIO_LED0_GREEN, "gpio-led:green:d0") == 0) &&
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(gpio_direction_output(IGEP2_GPIO_LED0_GREEN, 1) == 0)) {
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gpio_export(IGEP2_GPIO_LED0_GREEN, 0);
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gpio_set_value(IGEP2_GPIO_LED0_GREEN, 0);
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} else
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pr_warning("IGEP v2: Could not obtain gpio GPIO_LED0_GREEN\n");
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if ((gpio_request(IGEP2_GPIO_LED1_RED, "gpio-led:red:d1") == 0) &&
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(gpio_direction_output(IGEP2_GPIO_LED1_RED, 1) == 0)) {
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gpio_export(IGEP2_GPIO_LED1_RED, 0);
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gpio_set_value(IGEP2_GPIO_LED1_RED, 0);
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} else
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pr_warning("IGEP v2: Could not obtain gpio GPIO_LED1_RED\n");
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}
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#endif
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static int igep2_twl_gpio_setup(struct device *dev,
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unsigned gpio, unsigned ngpio)
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{
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/* gpio + 0 is "mmc0_cd" (input/IRQ) */
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mmc[0].gpio_cd = gpio + 0;
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omap2_hsmmc_init(mmc);
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/*
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* link regulators to MMC adapters ... we "know" the
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* regulators will be set up only *after* we return.
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*/
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igep2_vmmc1_supply.dev = mmc[0].dev;
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/*
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* REVISIT: need ehci-omap hooks for external VBUS
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* power switch and overcurrent detect
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*/
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if ((gpio_request(gpio + 1, "GPIO_EHCI_NOC") < 0) ||
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(gpio_direction_input(gpio + 1) < 0))
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pr_err("IGEP2: Could not obtain gpio for EHCI NOC");
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/*
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* TWL4030_GPIO_MAX + 0 == ledA, GPIO_USBH_CPEN
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* (out, active low)
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*/
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if ((gpio_request(gpio + TWL4030_GPIO_MAX, "GPIO_USBH_CPEN") < 0) ||
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(gpio_direction_output(gpio + TWL4030_GPIO_MAX, 0) < 0))
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pr_err("IGEP2: Could not obtain gpio for USBH_CPEN");
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/* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
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#if !defined(CONFIG_LEDS_GPIO) && !defined(CONFIG_LEDS_GPIO_MODULE)
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if ((gpio_request(gpio+TWL4030_GPIO_MAX+1, "gpio-led:green:d1") == 0)
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&& (gpio_direction_output(gpio + TWL4030_GPIO_MAX + 1, 1) == 0)) {
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gpio_export(gpio + TWL4030_GPIO_MAX + 1, 0);
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gpio_set_value(gpio + TWL4030_GPIO_MAX + 1, 0);
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} else
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pr_warning("IGEP v2: Could not obtain gpio GPIO_LED1_GREEN\n");
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#else
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igep2_gpio_leds[3].gpio = gpio + TWL4030_GPIO_MAX + 1;
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#endif
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return 0;
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};
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static struct twl4030_gpio_platform_data igep2_twl4030_gpio_pdata = {
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.gpio_base = OMAP_MAX_GPIO_LINES,
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.irq_base = TWL4030_GPIO_IRQ_BASE,
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.irq_end = TWL4030_GPIO_IRQ_END,
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.use_leds = true,
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.setup = igep2_twl_gpio_setup,
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};
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static struct twl4030_usb_data igep2_usb_data = {
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.usb_mode = T2_USB_MODE_ULPI,
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};
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static int igep2_enable_dvi(struct omap_dss_device *dssdev)
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{
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gpio_direction_output(IGEP2_GPIO_DVI_PUP, 1);
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return 0;
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}
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static void igep2_disable_dvi(struct omap_dss_device *dssdev)
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{
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gpio_direction_output(IGEP2_GPIO_DVI_PUP, 0);
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}
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static struct omap_dss_device igep2_dvi_device = {
|
|
.type = OMAP_DISPLAY_TYPE_DPI,
|
|
.name = "dvi",
|
|
.driver_name = "generic_panel",
|
|
.phy.dpi.data_lines = 24,
|
|
.platform_enable = igep2_enable_dvi,
|
|
.platform_disable = igep2_disable_dvi,
|
|
};
|
|
|
|
static struct omap_dss_device *igep2_dss_devices[] = {
|
|
&igep2_dvi_device
|
|
};
|
|
|
|
static struct omap_dss_board_info igep2_dss_data = {
|
|
.num_devices = ARRAY_SIZE(igep2_dss_devices),
|
|
.devices = igep2_dss_devices,
|
|
.default_device = &igep2_dvi_device,
|
|
};
|
|
|
|
static struct platform_device igep2_dss_device = {
|
|
.name = "omapdss",
|
|
.id = -1,
|
|
.dev = {
|
|
.platform_data = &igep2_dss_data,
|
|
},
|
|
};
|
|
|
|
static struct regulator_consumer_supply igep2_vpll2_supply = {
|
|
.supply = "vdds_dsi",
|
|
.dev = &igep2_dss_device.dev,
|
|
};
|
|
|
|
static struct regulator_init_data igep2_vpll2 = {
|
|
.constraints = {
|
|
.name = "VDVI",
|
|
.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 = &igep2_vpll2_supply,
|
|
};
|
|
|
|
static void __init igep2_display_init(void)
|
|
{
|
|
if (gpio_request(IGEP2_GPIO_DVI_PUP, "GPIO_DVI_PUP") &&
|
|
gpio_direction_output(IGEP2_GPIO_DVI_PUP, 1))
|
|
pr_err("IGEP v2: Could not obtain gpio GPIO_DVI_PUP\n");
|
|
}
|
|
|
|
static struct platform_device *igep2_devices[] __initdata = {
|
|
&igep2_dss_device,
|
|
};
|
|
|
|
static void __init igep2_init_irq(void)
|
|
{
|
|
omap2_init_common_hw(m65kxxxxam_sdrc_params, m65kxxxxam_sdrc_params);
|
|
omap_init_irq();
|
|
}
|
|
|
|
static struct twl4030_codec_audio_data igep2_audio_data = {
|
|
.audio_mclk = 26000000,
|
|
};
|
|
|
|
static struct twl4030_codec_data igep2_codec_data = {
|
|
.audio_mclk = 26000000,
|
|
.audio = &igep2_audio_data,
|
|
};
|
|
|
|
static struct twl4030_platform_data igep2_twldata = {
|
|
.irq_base = TWL4030_IRQ_BASE,
|
|
.irq_end = TWL4030_IRQ_END,
|
|
|
|
/* platform_data for children goes here */
|
|
.usb = &igep2_usb_data,
|
|
.codec = &igep2_codec_data,
|
|
.gpio = &igep2_twl4030_gpio_pdata,
|
|
.vmmc1 = &igep2_vmmc1,
|
|
.vpll2 = &igep2_vpll2,
|
|
|
|
};
|
|
|
|
static struct i2c_board_info __initdata igep2_i2c1_boardinfo[] = {
|
|
{
|
|
I2C_BOARD_INFO("twl4030", 0x48),
|
|
.flags = I2C_CLIENT_WAKE,
|
|
.irq = INT_34XX_SYS_NIRQ,
|
|
.platform_data = &igep2_twldata,
|
|
},
|
|
};
|
|
|
|
static struct i2c_board_info __initdata igep2_i2c3_boardinfo[] = {
|
|
{
|
|
I2C_BOARD_INFO("eeprom", 0x50),
|
|
},
|
|
};
|
|
|
|
static void __init igep2_i2c_init(void)
|
|
{
|
|
int ret;
|
|
|
|
ret = omap_register_i2c_bus(1, 2600, igep2_i2c1_boardinfo,
|
|
ARRAY_SIZE(igep2_i2c1_boardinfo));
|
|
if (ret)
|
|
pr_warning("IGEP2: Could not register I2C1 bus (%d)\n", ret);
|
|
|
|
/*
|
|
* Bus 3 is attached to the DVI port where devices like the pico DLP
|
|
* projector don't work reliably with 400kHz
|
|
*/
|
|
ret = omap_register_i2c_bus(3, 100, igep2_i2c3_boardinfo,
|
|
ARRAY_SIZE(igep2_i2c3_boardinfo));
|
|
if (ret)
|
|
pr_warning("IGEP2: Could not register I2C3 bus (%d)\n", ret);
|
|
}
|
|
|
|
static struct omap_musb_board_data musb_board_data = {
|
|
.interface_type = MUSB_INTERFACE_ULPI,
|
|
.mode = MUSB_OTG,
|
|
.power = 100,
|
|
};
|
|
|
|
static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
|
|
.port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
|
|
.port_mode[1] = EHCI_HCD_OMAP_MODE_UNKNOWN,
|
|
.port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
|
|
|
|
.phy_reset = true,
|
|
.reset_gpio_port[0] = IGEP2_GPIO_USBH_NRESET,
|
|
.reset_gpio_port[1] = -EINVAL,
|
|
.reset_gpio_port[2] = -EINVAL,
|
|
};
|
|
|
|
#ifdef CONFIG_OMAP_MUX
|
|
static struct omap_board_mux board_mux[] __initdata = {
|
|
{ .reg_offset = OMAP_MUX_TERMINATOR },
|
|
};
|
|
#else
|
|
#define board_mux NULL
|
|
#endif
|
|
|
|
#if defined(CONFIG_LIBERTAS_SDIO) || defined(CONFIG_LIBERTAS_SDIO_MODULE)
|
|
|
|
static void __init igep2_wlan_bt_init(void)
|
|
{
|
|
unsigned npd, wreset, btreset;
|
|
|
|
/* GPIO's for WLAN-BT combo depends on hardware revision */
|
|
if (hwrev == IGEP2_BOARD_HWREV_B) {
|
|
npd = IGEP2_RB_GPIO_WIFI_NPD;
|
|
wreset = IGEP2_RB_GPIO_WIFI_NRESET;
|
|
btreset = IGEP2_RB_GPIO_BT_NRESET;
|
|
} else if (hwrev == IGEP2_BOARD_HWREV_C) {
|
|
npd = IGEP2_RC_GPIO_WIFI_NPD;
|
|
wreset = IGEP2_RC_GPIO_WIFI_NRESET;
|
|
btreset = IGEP2_RC_GPIO_BT_NRESET;
|
|
} else
|
|
return;
|
|
|
|
/* Set GPIO's for WLAN-BT combo module */
|
|
if ((gpio_request(npd, "GPIO_WIFI_NPD") == 0) &&
|
|
(gpio_direction_output(npd, 1) == 0)) {
|
|
gpio_export(npd, 0);
|
|
} else
|
|
pr_warning("IGEP2: Could not obtain gpio GPIO_WIFI_NPD\n");
|
|
|
|
if ((gpio_request(wreset, "GPIO_WIFI_NRESET") == 0) &&
|
|
(gpio_direction_output(wreset, 1) == 0)) {
|
|
gpio_export(wreset, 0);
|
|
gpio_set_value(wreset, 0);
|
|
udelay(10);
|
|
gpio_set_value(wreset, 1);
|
|
} else
|
|
pr_warning("IGEP2: Could not obtain gpio GPIO_WIFI_NRESET\n");
|
|
|
|
if ((gpio_request(btreset, "GPIO_BT_NRESET") == 0) &&
|
|
(gpio_direction_output(btreset, 1) == 0)) {
|
|
gpio_export(btreset, 0);
|
|
} else
|
|
pr_warning("IGEP2: Could not obtain gpio GPIO_BT_NRESET\n");
|
|
}
|
|
#else
|
|
static inline void __init igep2_wlan_bt_init(void) { }
|
|
#endif
|
|
|
|
static void __init igep2_init(void)
|
|
{
|
|
omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
|
|
|
|
/* Get IGEP2 hardware revision */
|
|
igep2_get_revision();
|
|
/* Register I2C busses and drivers */
|
|
igep2_i2c_init();
|
|
platform_add_devices(igep2_devices, ARRAY_SIZE(igep2_devices));
|
|
omap_serial_init();
|
|
usb_musb_init(&musb_board_data);
|
|
usb_ehci_init(&ehci_pdata);
|
|
|
|
igep2_flash_init();
|
|
igep2_leds_init();
|
|
igep2_display_init();
|
|
igep2_init_smsc911x();
|
|
|
|
/*
|
|
* WLAN-BT combo module from MuRata wich has a Marvell WLAN
|
|
* (88W8686) + CSR Bluetooth chipset. Uses SDIO interface.
|
|
*/
|
|
igep2_wlan_bt_init();
|
|
|
|
}
|
|
|
|
MACHINE_START(IGEP0020, "IGEP v2 board")
|
|
.boot_params = 0x80000100,
|
|
.map_io = omap3_map_io,
|
|
.reserve = omap_reserve,
|
|
.init_irq = igep2_init_irq,
|
|
.init_machine = igep2_init,
|
|
.timer = &omap_timer,
|
|
MACHINE_END
|