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/*
* Atheros ARCHER_C7 reference board support
*
* Copyright (c) 2017 Felix Fietkau <nbd@nbd.name>
* Copyright (c) 2014 The Linux Foundation. All rights reserved.
* Copyright (c) 2012 Gabor Juhos <juhosg@openwrt.org>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
#include <linux/platform_device.h>
#include <linux/ath9k_platform.h>
#include <linux/ar8216_platform.h>
#include <linux/proc_fs.h>
#include <linux/gpio.h>
#include <linux/spi/spi_gpio.h>
#include <linux/spi/74x164.h>
#include <asm/mach-ath79/ar71xx_regs.h>
#include "common.h"
#include "dev-m25p80.h"
#include "machtypes.h"
#include "pci.h"
#include "dev-eth.h"
#include "dev-gpio-buttons.h"
#include "dev-leds-gpio.h"
#include "dev-spi.h"
#include "dev-usb.h"
#include "dev-wmac.h"
#define ARCHER_C7_GPIO_SHIFT_OE 1
#define ARCHER_C7_GPIO_SHIFT_SER 14
#define ARCHER_C7_GPIO_SHIFT_SRCLK 15
#define ARCHER_C7_GPIO_SHIFT_RCLK 16
#define ARCHER_C7_GPIO_SHIFT_SRCLR 21
#define ARCHER_C7_GPIO_BTN_RESET 5
#define ARCHER_C7_GPIO_BTN_WPS_WIFI 2
#define ARCHER_C7_GPIO_LED_WLAN5 9
#define ARCHER_C7_GPIO_LED_POWER 6
#define ARCHER_C7_GPIO_LED_USB1 7
#define ARCHER_C7_GPIO_LED_USB2 8
#define ARCHER_C7_74HC_GPIO_BASE 32
#define ARCHER_C7_GPIO_LED_WPS (ARCHER_C7_74HC_GPIO_BASE + 0)
#define ARCHER_C7_GPIO_LED_LAN1 (ARCHER_C7_74HC_GPIO_BASE + 1)
#define ARCHER_C7_GPIO_LED_LAN2 (ARCHER_C7_74HC_GPIO_BASE + 2)
#define ARCHER_C7_GPIO_LED_LAN3 (ARCHER_C7_74HC_GPIO_BASE + 3)
#define ARCHER_C7_GPIO_LED_LAN4 (ARCHER_C7_74HC_GPIO_BASE + 4)
#define ARCHER_C7_GPIO_LED_WAN_GREEN (ARCHER_C7_74HC_GPIO_BASE + 5)
#define ARCHER_C7_GPIO_LED_WAN_AMBER (ARCHER_C7_74HC_GPIO_BASE + 6)
#define ARCHER_C7_GPIO_LED_WLAN2 (ARCHER_C7_74HC_GPIO_BASE + 7)
#define ARCHER_C7_KEYS_POLL_INTERVAL 20 /* msecs */
#define ARCHER_C7_KEYS_DEBOUNCE_INTERVAL (3 * ARCHER_C7_KEYS_POLL_INTERVAL)
#define ARCHER_C7_MAC0_OFFSET 0
#define ARCHER_C7_MAC1_OFFSET 6
#define ARCHER_C7_WMAC_CALDATA_OFFSET 0x1000
#define ARCHER_C7_GPIO_MDC 3
#define ARCHER_C7_GPIO_MDIO 4
static struct spi_gpio_platform_data archer_c7_v4_spi_data = {
.sck = ARCHER_C7_GPIO_SHIFT_SRCLK,
.miso = SPI_GPIO_NO_MISO,
.mosi = ARCHER_C7_GPIO_SHIFT_SER,
.num_chipselect = 1,
};
static u8 archer_c7_v4_ssr_initdata = 0xff;
static struct gen_74x164_chip_platform_data archer_c7_v4_ssr_data = {
.base = ARCHER_C7_74HC_GPIO_BASE,
.num_registers = 1,
.init_data = &archer_c7_v4_ssr_initdata,
};
static struct platform_device archer_c7_v4_spi_device = {
.name = "spi_gpio",
.id = 1,
.dev = {
.platform_data = &archer_c7_v4_spi_data,
},
};
static struct spi_board_info archer_c7_v4_spi_info[] = {
{
.bus_num = 1,
.chip_select = 0,
.max_speed_hz = 10000000,
.modalias = "74x164",
.platform_data = &archer_c7_v4_ssr_data,
.controller_data = (void *) ARCHER_C7_GPIO_SHIFT_RCLK,
},
};
static struct gpio_led archer_c7_v4_leds_gpio[] __initdata = {
{
.name = "archer-c7-v4:green:power",
.gpio = ARCHER_C7_GPIO_LED_POWER,
.active_low = 1,
}, {
.name = "archer-c7-v4:green:wps",
.gpio = ARCHER_C7_GPIO_LED_WPS,
.active_low = 1,
}, {
.name = "archer-c7-v4:green:wlan2g",
.gpio = ARCHER_C7_GPIO_LED_WLAN2,
.active_low = 1,
}, {
.name = "archer-c7-v4:green:wlan5g",
.gpio = ARCHER_C7_GPIO_LED_WLAN5,
.active_low = 1,
}, {
.name = "archer-c7-v4:green:lan1",
.gpio = ARCHER_C7_GPIO_LED_LAN1,
.active_low = 1,
}, {
.name = "archer-c7-v4:green:lan2",
.gpio = ARCHER_C7_GPIO_LED_LAN2,
.active_low = 1,
}, {
.name = "archer-c7-v4:green:lan3",
.gpio = ARCHER_C7_GPIO_LED_LAN3,
.active_low = 1,
}, {
.name = "archer-c7-v4:green:lan4",
.gpio = ARCHER_C7_GPIO_LED_LAN4,
.active_low = 1,
}, {
.name = "archer-c7-v4:green:wan",
.gpio = ARCHER_C7_GPIO_LED_WAN_GREEN,
.active_low = 1,
}, {
.name = "archer-c7-v4:amber:wan",
.gpio = ARCHER_C7_GPIO_LED_WAN_AMBER,
.active_low = 1,
}, {
.name = "archer-c7-v4:green:usb1",
.gpio = ARCHER_C7_GPIO_LED_USB1,
.active_low = 1,
}, {
.name = "archer-c7-v4:green:usb2",
.gpio = ARCHER_C7_GPIO_LED_USB2,
.active_low = 1,
},
};
static struct gpio_keys_button archer_c7_v4_gpio_keys[] __initdata = {
{
.desc = "WPS and WIFI button",
.type = EV_KEY,
.code = KEY_WPS_BUTTON,
.debounce_interval = ARCHER_C7_KEYS_DEBOUNCE_INTERVAL,
.gpio = ARCHER_C7_GPIO_BTN_WPS_WIFI,
.active_low = 1,
},
{
.desc = "Reset button",
.type = EV_KEY,
.code = KEY_RESTART,
.debounce_interval = ARCHER_C7_KEYS_DEBOUNCE_INTERVAL,
.gpio = ARCHER_C7_GPIO_BTN_RESET,
.active_low = 1,
},
};
static struct ar8327_pad_cfg archer_c7_v4_ar8337_pad0_cfg = {
.mode = AR8327_PAD_MAC_SGMII,
.sgmii_delay_en = true,
};
static struct ar8327_platform_data archer_c7_v4_ar8337_data = {
.pad0_cfg = &archer_c7_v4_ar8337_pad0_cfg,
.port0_cfg = {
.force_link = 1,
.speed = AR8327_PORT_SPEED_1000,
.duplex = 1,
.txpause = 1,
.rxpause = 1,
},
};
static struct mdio_board_info archer_c7_v4_mdio0_info[] = {
{
.bus_id = "ag71xx-mdio.0",
.mdio_addr = 0,
.platform_data = &archer_c7_v4_ar8337_data,
},
};
static void __init archer_c7_v4_setup(void)
{
u8 *art = (u8 *) KSEG1ADDR(0x1fff0000);
u8 *mac = (u8 *) KSEG1ADDR(0x1ff00008);
ath79_register_m25p80(NULL);
spi_register_board_info(archer_c7_v4_spi_info,
ARRAY_SIZE(archer_c7_v4_spi_info));
platform_device_register(&archer_c7_v4_spi_device);
gpio_request_one(ARCHER_C7_GPIO_SHIFT_OE,
GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED,
"LED control");
gpio_request_one(ARCHER_C7_GPIO_SHIFT_SRCLR,
GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
"LED reset");
ath79_register_leds_gpio(-1, ARRAY_SIZE(archer_c7_v4_leds_gpio),
archer_c7_v4_leds_gpio);
ath79_register_gpio_keys_polled(-1, ARCHER_C7_KEYS_POLL_INTERVAL,
ARRAY_SIZE(archer_c7_v4_gpio_keys),
archer_c7_v4_gpio_keys);
ath79_register_usb();
ath79_gpio_output_select(ARCHER_C7_GPIO_MDC, QCA956X_GPIO_OUT_MUX_GE0_MDC);
ath79_gpio_output_select(ARCHER_C7_GPIO_MDIO, QCA956X_GPIO_OUT_MUX_GE0_MDO);
ath79_register_mdio(0, 0x0);
mdiobus_register_board_info(archer_c7_v4_mdio0_info,
ARRAY_SIZE(archer_c7_v4_mdio0_info));
ath79_register_wmac(art + ARCHER_C7_WMAC_CALDATA_OFFSET, mac);
ath79_register_pci();
/* GMAC0 is connected to an AR8337 switch */
ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_SGMII;
ath79_eth0_data.speed = SPEED_1000;
ath79_eth0_data.duplex = DUPLEX_FULL;
ath79_eth0_data.phy_mask = BIT(0);
ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
ath79_register_eth(0);
}
MIPS_MACHINE(ATH79_MACH_ARCHER_C7_V4, "ARCHER-C7-V4", "TP-LINK Archer C7 v4",
archer_c7_v4_setup);
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