+++ /dev/null
-/*
- * arch/ubicom32/mach-ip7k/board-ip7160rgw.c
- * Platform initialization for ip7160rgw board.
- *
- * (C) Copyright 2009, Ubicom, Inc.
- *
- * This file is part of the Ubicom32 Linux Kernel Port.
- *
- * The Ubicom32 Linux Kernel Port is free software: you can redistribute
- * it and/or modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation, either version 2 of the
- * License, or (at your option) any later version.
- *
- * The Ubicom32 Linux Kernel Port 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 the Ubicom32 Linux Kernel Port. If not,
- * see <http://www.gnu.org/licenses/>.
- *
- * Ubicom32 implementation derived from (with many thanks):
- * arch/m68knommu
- * arch/blackfin
- * arch/parisc
- */
-#include <linux/device.h>
-#include <linux/platform_device.h>
-#include <linux/gpio.h>
-#include <linux/leds.h>
-#include <linux/delay.h>
-#include <linux/input.h>
-#include <linux/spi/spi.h>
-
-#include <asm/board.h>
-#include <asm/machdep.h>
-#include <asm/ubicom32input.h>
-
-#ifdef CONFIG_SERIAL_UBI32_SERDES
-#include <asm/ubicom32suart.h>
-#endif
-
-#include <asm/ubicom32-spi-gpio.h>
-#include <asm/switch-dev.h>
-
-#ifdef CONFIG_IP7160RGWLCD
-#include <linux/i2c.h>
-#include <linux/i2c-gpio.h>
-/*
- * LCD Adapter board 8007-092x support
- *
- * Touch controller
- *
- * Connected via I2C bus, interrupt on PA6
- */
-#include <linux/i2c/tsc2007.h>
-
-/*
- * ip7160rgwlcd_tsc2007_exit_platform_hw
- */
-static void ip7160rgwlcd_tsc2007_exit_platform_hw(void)
-{
- UBICOM32_IO_PORT(RA)->ctl0 &= ~(0x03 << 17);
- gpio_free(GPIO_RA_5);
-}
-
-/*
- * ip7160rgwlcd_tsc2007_init_platform_hw
- */
-static int ip7160rgwlcd_tsc2007_init_platform_hw(void)
-{
- int res = gpio_request(GPIO_RA_5, "TSC2007_IRQ");
- if (res) {
- return res;
- }
-
- UBICOM32_IO_PORT(RA)->ctl0 &= ~(0x03 << 17);
- UBICOM32_IO_PORT(RA)->ctl0 |= (0x02 << 17);
- return 0;
-}
-
-/*
- * ip7160rgwlcd_tsc2007_get_pendown_state
- */
-static int ip7160rgwlcd_tsc2007_get_pendown_state(void)
-{
- return !gpio_get_value(GPIO_RA_5);
-}
-
-static struct tsc2007_platform_data ip7160rgwlcd_tsc2007_data = {
- .model = 2007,
- .x_plate_ohms = 350,
- .get_pendown_state = ip7160rgwlcd_tsc2007_get_pendown_state,
- .init_platform_hw = ip7160rgwlcd_tsc2007_init_platform_hw,
- .exit_platform_hw = ip7160rgwlcd_tsc2007_exit_platform_hw,
-};
-
-/******************************************************************************
- * I2C bus on the board, SDA PI14, SCL PI13
- */
-static struct i2c_gpio_platform_data ip7160rgwlcd_i2c_data = {
- .sda_pin = GPIO_RI_14,
- .scl_pin = GPIO_RI_13,
- .sda_is_open_drain = 0,
- .scl_is_open_drain = 0,
- .udelay = 50,
-};
-
-static struct platform_device ip7160rgwlcd_i2c_device = {
- .name = "i2c-gpio",
- .id = 0,
- .dev = {
- .platform_data = &ip7160rgwlcd_i2c_data,
- },
-};
-
-static struct i2c_board_info __initdata ip7160rgwlcd_i2c_board_info[] = {
- {
- .type = "tsc2007",
- .addr = 0x48,
- .irq = 45, // RA5
- .platform_data = &ip7160rgwlcd_tsc2007_data,
- },
-};
-
-#endif
-
-/*
- * SPI bus over GPIO for Gigabit Ethernet Switch
- * U58:
- * MOSI PE0
- * MISO PE1
- * CLK PE3
- * CS PE2
- */
-static struct ubicom32_spi_gpio_platform_data ip7160rgw_spi_gpio_data = {
- .pin_mosi = GPIO_RE_0,
- .pin_miso = GPIO_RE_1,
- .pin_clk = GPIO_RE_3,
- .bus_num = 0, // We'll call this SPI bus 0
- .num_chipselect = 1, // only one device on this SPI bus
- .clk_default = 1,
-};
-
-static struct platform_device ip7160rgw_spi_gpio_device = {
- .name = "ubicom32-spi-gpio",
- .id = 0,
- .dev = {
- .platform_data = &ip7160rgw_spi_gpio_data,
- },
-};
-
-static struct ubicom32_spi_gpio_controller_data ip7160rgw_bcm539x_controller_data = {
- .pin_cs = GPIO_RE_2,
-};
-
-static struct switch_core_platform_data ip7160rgw_bcm539x_platform_data = {
- .flags = SWITCH_DEV_FLAG_HW_RESET,
- .pin_reset = GPIO_RE_4,
- .name = "bcm539x",
-};
-
-static struct spi_board_info ip7160rgw_spi_board_info[] = {
- {
- .modalias = "bcm539x-spi",
- .bus_num = 0,
- .chip_select = 0,
- .max_speed_hz = 2000000,
- .platform_data = &ip7160rgw_bcm539x_platform_data,
- .controller_data = &ip7160rgw_bcm539x_controller_data,
- .mode = SPI_MODE_3,
- }
-};
-
-/*
- * LEDs
- *
- * WLAN1 PD0 (PWM capable)
- * WLAN2 PD1
- * USB2.0 PD2
- * Status PD3
- * WPS PD4
- *
- * TODO: check triggers, are they generic?
- */
-static struct gpio_led ip7160rgw_gpio_leds[] = {
- {
- .name = "d53:green:WLAN1",
- .default_trigger = "WLAN1",
- .gpio = GPIO_RD_0,
- .active_low = 1,
- },
- {
- .name = "d54:green:WLAN2",
- .default_trigger = "WLAN2",
- .gpio = GPIO_RD_1,
- .active_low = 1,
- },
- {
- .name = "d55:green:USB",
- .default_trigger = "USB",
- .gpio = GPIO_RD_2,
- .active_low = 1,
- },
- {
- .name = "d56:green:Status",
- .default_trigger = "Status",
- .gpio = GPIO_RD_3,
- .active_low = 1,
- },
- {
- .name = "d57:green:WPS",
- .default_trigger = "WPS",
- .gpio = GPIO_RD_4,
- .active_low = 1,
- },
-};
-
-static struct gpio_led_platform_data ip7160rgw_gpio_led_platform_data = {
- .num_leds = 5,
- .leds = ip7160rgw_gpio_leds,
-};
-
-static struct platform_device ip7160rgw_gpio_leds_device = {
- .name = "leds-gpio",
- .id = -1,
- .dev = {
- .platform_data = &ip7160rgw_gpio_led_platform_data,
- },
-};
-
-/*
- * Use ubicom32input driver to monitor the various pushbuttons on this board.
- *
- * WPS PD5
- * FACT_DEFAULT PD6
- *
- * TODO: pick some ubicom understood EV_xxx define for WPS and Fact Default
- */
-static struct ubicom32input_button ip7160rgw_ubicom32input_buttons[] = {
- {
- .type = EV_KEY,
- .code = KEY_FN_F1,
- .gpio = GPIO_RD_5,
- .desc = "WPS",
- .active_low = 1,
- },
- {
- .type = EV_KEY,
- .code = KEY_FN_F2,
- .gpio = GPIO_RD_6,
- .desc = "Factory Default",
- .active_low = 1,
- },
-};
-
-static struct ubicom32input_platform_data ip7160rgw_ubicom32input_data = {
- .buttons = ip7160rgw_ubicom32input_buttons,
- .nbuttons = ARRAY_SIZE(ip7160rgw_ubicom32input_buttons),
-};
-
-static struct platform_device ip7160rgw_ubicom32input_device = {
- .name = "ubicom32input",
- .id = -1,
- .dev = {
- .platform_data = &ip7160rgw_ubicom32input_data,
- },
-};
-
-#ifdef CONFIG_SERIAL_UBI32_SERDES
-static struct resource ip7160rgw_ubicom32_suart_resources[] = {
- {
- .start = RE,
- .end = RE,
- .flags = IORESOURCE_MEM,
- },
- {
- .start = PORT_OTHER_INT(RE),
- .end = PORT_OTHER_INT(RE),
- .flags = IORESOURCE_IRQ,
- },
- {
- .start = 250000000,
- .end = 250000000,
- .flags = UBICOM32_SUART_IORESOURCE_CLOCK,
- },
-};
-
-static struct platform_device ip7160rgw_ubicom32_suart_device = {
- .name = "ubicom32suart",
- .id = -1,
- .num_resources = ARRAY_SIZE(ip7160rgw_ubicom32_suart_resources),
- .resource = ip7160rgw_ubicom32_suart_resources,
-};
-#endif
-
-/*
- * List of all devices in our system
- */
-static struct platform_device *ip7160rgw_devices[] __initdata = {
-#ifdef CONFIG_SERIAL_UBI32_SERDES
- &ip7160rgw_ubicom32_suart_device,
-#endif
- &ip7160rgw_ubicom32input_device,
- &ip7160rgw_gpio_leds_device,
- &ip7160rgw_spi_gpio_device,
-#ifdef CONFIG_IP7160RGWLCD
- &ip7160rgwlcd_i2c_device,
-#endif
-};
-
-/*
- * ip7160rgw_init
- * Called to add the devices which we have on this board
- */
-static int __init ip7160rgw_init(void)
-{
- board_init();
-
- /*
- * Rev 1.2 boards have spi in a different place than 1.1/1.0
- */
- if (strcmp(board_get_revision(), "1.2") == 0) {
- ip7160rgw_spi_gpio_data.pin_mosi = GPIO_RD_7;
- }
-
- ubi_gpio_init();
-
- /*
- * Reserve switch SPI CS on behalf on switch driver
- */
- if (gpio_request(ip7160rgw_bcm539x_controller_data.pin_cs, "switch-bcm539x-cs")) {
- printk(KERN_WARNING "Could not request cs of switch SPI I/F\n");
- return -EIO;
- }
- gpio_direction_output(ip7160rgw_bcm539x_controller_data.pin_cs, 1);
-
- printk(KERN_INFO "%s: registering device resources\n", __FUNCTION__);
- platform_add_devices(ip7160rgw_devices, ARRAY_SIZE(ip7160rgw_devices));
-
- printk(KERN_INFO "%s: registering SPI resources\n", __FUNCTION__);
- spi_register_board_info(ip7160rgw_spi_board_info, ARRAY_SIZE(ip7160rgw_spi_board_info));
-
-#ifdef CONFIG_IP7160RGWLCD
- printk(KERN_INFO "%s: registering i2c resources\n", __FUNCTION__);
- i2c_register_board_info(0, ip7160rgwlcd_i2c_board_info, ARRAY_SIZE(ip7160rgwlcd_i2c_board_info));
- printk(KERN_INFO "IP7160 RGW + LCD\n");
-#else
- printk(KERN_INFO "IP7160 RGW\n");
-#endif
- return 0;
-}
-
-arch_initcall(ip7160rgw_init);
projects / openwrt / svn-archive / archive.git / blobdiff