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Diffstat (limited to 'target/linux/ubicom32/files/arch/ubicom32/mach-ip7k/board-ip7160rgw.c')
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diff --git a/target/linux/ubicom32/files/arch/ubicom32/mach-ip7k/board-ip7160rgw.c b/target/linux/ubicom32/files/arch/ubicom32/mach-ip7k/board-ip7160rgw.c
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index 000000000..4d50375a7
--- /dev/null
+++ b/target/linux/ubicom32/files/arch/ubicom32/mach-ip7k/board-ip7160rgw.c
@@ -0,0 +1,355 @@
+/*
+ * 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);
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