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/*
* TELTONIKA TLT-RUT900 board support
*
* Copyright (C) 2014 Teltonika
*
* 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.
*/
#include <linux/phy.h>
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <linux/ath9k_platform.h>
#include <linux/ar8216_platform.h>
#include <linux/mmc/host.h>
#include <linux/spi/spi.h>
#include <linux/spi/mmc_spi.h>
#include <asm/mach-ath79/ar71xx_regs.h>
#include "common.h"
#include "dev-eth.h"
#include "dev-gpio-buttons.h"
#include "dev-leds-gpio.h"
#include "dev-m25p80.h"
#include "dev-spi.h"
#include "dev-usb.h"
#include "dev-wmac.h"
#include "machtypes.h"
#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>
#include <linux/i2c-gpio.h>
/* I2C interface */
#define rut900_GPIO_SDA 17
#define rut900_GPIO_SCK 16
#define RUT900_GPIO_LED_BAR0 48
#define RUT900_GPIO_LED_BAR1 49
#define RUT900_GPIO_LED_BAR2 50
#define RUT900_GPIO_LED_BAR3 51
#define RUT900_GPIO_LED_BAR4 52
#define RUT900_GPIO_LED_ST_GRE 54
#define RUT900_GPIO_LED_ST_RED 53
//#define RUT900_GPIO_LED_WAN 18
#define RUT900_GPIO_LED_LAN1 14
#define RUT900_GPIO_LED_LAN2 13
#define RUT900_GPIO_LED_LAN3 22
#define RUT900_GPIO_LED_WAN 1
#define RUT900_GPIO_EXTERNAL_LNA0 2
//#define RUT900_GPIO_EXTERNAL_LNA1 3
#define RUT900_GPIO_BTN_RESET 15
#define RUT900_GPIO_BTN_EXPANDER 4
#define RUT900_GPIO_BTN_TEST 58
#define RUT900_GPIO_MMC_CS 3
//#define RUT900_GPIO_EXPANDER_POWER 11
#define RUT900_KEYS_POLL_INTERVAL 20 /* msecs */
#define RUT900_KEYS_DEBOUNCE_INTERVAL (3 * RUT900_KEYS_POLL_INTERVAL)
#define RUT900_KEYS_DEBOUNCE_INTERVAL_DIN 20
#define RUT900_MAC0_OFFSET 0
#define RUT900_MAC1_OFFSET 6
#define RUT900_WMAC_CALDATA_OFFSET 0x1000
#define RUT900_PCIE_CALDATA_OFFSET 0x5000
static struct i2c_gpio_platform_data rut900_i2c_device_platdata = {
.sda_pin = rut900_GPIO_SDA,
.scl_pin = rut900_GPIO_SCK,
.udelay = 10,
};
static struct platform_device rut900_i2c_device = {
.name = "i2c-gpio",
.id = 0,
.num_resources = 0,
.resource = NULL,
.dev = {
.platform_data = &rut900_i2c_device_platdata,
},
};
static struct i2c_board_info rut900_i2c_devs[] __initdata = {
{
I2C_BOARD_INFO("pca9539", 0x74),
},
{
I2C_BOARD_INFO("mcp3221", 0x4D),
},
};
static void rut900_i2c_init(void)
{
/* The gpio interface */
platform_device_register(&rut900_i2c_device);
/* I2C devices */
i2c_register_board_info(0, rut900_i2c_devs, ARRAY_SIZE(rut900_i2c_devs));
}
//Flash partitions are calcutated in drivers/mtd/tltpart.c
static const char *rut900_part_probes[] = {
"tlt",
NULL,
};
static struct flash_platform_data rut900_flash_data = {
.part_probes = rut900_part_probes,
};
static struct gpio_led rut900_leds_gpio[] __initdata = {
{
.name = "tlt:green:signal_bar0",
.gpio = RUT900_GPIO_LED_BAR0,
.active_low = 0,
},
{
.name = "tlt:green:signal_bar1",
.gpio = RUT900_GPIO_LED_BAR1,
.active_low = 0,
},
{
.name = "tlt:green:signal_bar2",
.gpio = RUT900_GPIO_LED_BAR2,
.active_low = 0,
},
{
.name = "tlt:green:signal_bar3",
.gpio = RUT900_GPIO_LED_BAR3,
.active_low = 0,
},
{
.name = "tlt:green:signal_bar4",
.gpio = RUT900_GPIO_LED_BAR4,
.active_low = 0,
},
{
.name = "tlt:green:status",
.gpio = RUT900_GPIO_LED_ST_GRE,
.active_low = 0,
},
{
.name = "tlt:red:status",
.gpio = RUT900_GPIO_LED_ST_RED,
.active_low = 0,
},
};
static struct gpio_keys_button rut900_gpio_keys[] __initdata = {
{
.desc = "Reset button",
.type = EV_KEY,
.code = KEY_RESTART,
.debounce_interval = RUT900_KEYS_DEBOUNCE_INTERVAL,
.gpio = RUT900_GPIO_BTN_RESET,
.active_low = 1,
},
{
.desc = "Expander interrupt",
.type = EV_KEY,
.code = KEY_RFKILL,
.debounce_interval = RUT900_KEYS_DEBOUNCE_INTERVAL_DIN,
.gpio = RUT900_GPIO_BTN_EXPANDER,
},
};
static struct spi_board_info ath79_spi_info[] = {
{
.bus_num = 0,
.chip_select = 0,
.max_speed_hz = 25000000,
.modalias = "m25p80",
.platform_data = &rut900_flash_data,
},
{
.bus_num = 0,
.chip_select = 1,
.max_speed_hz = 25000000,
.modalias = "mmc_spi",
}
};
static struct ath79_spi_platform_data ath79_spi_data = {
.bus_num = 0,
.num_chipselect = 2,
};
static void __init rut900_setup(void)
{
u8 *mac = (u8 *) KSEG1ADDR(0x1f020000);
u8 *art = (u8 *) KSEG1ADDR(0x1f030000);
u8 tmpmac[ETH_ALEN];
ath79_register_spi(&ath79_spi_data, ath79_spi_info, 2);
ath79_register_leds_gpio(-1, ARRAY_SIZE(rut900_leds_gpio),
rut900_leds_gpio);
ath79_register_gpio_keys_polled(-1, RUT900_KEYS_POLL_INTERVAL,
ARRAY_SIZE(rut900_gpio_keys),
rut900_gpio_keys);
ath79_wmac_set_ext_lna_gpio(0, RUT900_GPIO_EXTERNAL_LNA0);
ath79_init_mac(tmpmac, mac, 2);
ath79_register_wmac(art + RUT900_WMAC_CALDATA_OFFSET, tmpmac);
ath79_setup_ar934x_eth_cfg(AR934X_ETH_CFG_SW_ONLY_MODE);
ath79_register_mdio(1, 0x0);
/* LAN */
ath79_init_mac(ath79_eth1_data.mac_addr, mac, 0);
/* GMAC1 is connected to the internal switch */
ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
ath79_register_eth(1);
/* WAN */
ath79_init_mac(ath79_eth0_data.mac_addr, mac, 1);
/* GMAC0 is connected to the PHY4 of the internal switch */
ath79_switch_data.phy4_mii_en = 1;
ath79_switch_data.phy_poll_mask = BIT(4);
ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
ath79_eth0_data.phy_mask = BIT(4);
ath79_eth0_data.mii_bus_dev = &ath79_mdio1_device.dev;
ath79_register_eth(0);
ath79_register_usb();
ath79_gpio_output_select(RUT900_GPIO_LED_LAN1,
AR934X_GPIO_OUT_LED_LINK3);
ath79_gpio_output_select(RUT900_GPIO_LED_LAN2,
AR934X_GPIO_OUT_LED_LINK2);
ath79_gpio_output_select(RUT900_GPIO_LED_LAN3,
AR934X_GPIO_OUT_LED_LINK1);
ath79_gpio_output_select(RUT900_GPIO_LED_WAN,
AR934X_GPIO_OUT_LED_LINK4);
//SPI CS1
ath79_gpio_output_select(RUT900_GPIO_MMC_CS,
7);
//HS UART
ath79_gpio_output_select(18, 79);
/* Init I2C interface */
rut900_i2c_init();
}
MIPS_MACHINE(ATH79_MACH_TLT_RUT900, "TLT-RUT900",
"TELTONIKA TLT-RUT900",
rut900_setup);
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