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openwrtv4/target/linux/ar71xx/files/arch/mips/ath79/mach-archer-c25-v1.c
Ludwig Thomeczek b4711dbad3 ar71xx: add support for TP-Link Archer C25 v1 
The TP-Link Archer C25 is a low-cost dual-band router.

Specification:

- CPU: Atheros QCA9561 775 MHz
- RAM: 64 MB
- Flash: 8 MB
- Wifi: 3x3 2.4 GHz (integrated), 1x1 5 GHz QCA9887
- NET: 5x 10/100 Mbps Ethernet

Some LEDs are controlled by an additional 74HC595 chip.

Signed-off-by: Ludwig Thomeczek <ledesrc@wxorx.net>
[minor code style fixes, boards alphabetical order fixes,
reworked commit message]
Signed-off-by: Piotr Dymacz <pepe2k@gmail.com>
2017-06-11 21:32:18 +02:00

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/*
* TP-Link Archer C25 v1 board support
*
* Copyright (C) 2017 Ludwig Thomeczek <ledesrc@wxorx.net>
* based on mach-archer-c60/C59-v1.c
* Copyright (C) 2016 Henryk Heisig <hyniu@o2.pl>
*
* 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/platform_device.h>
#include <linux/ath9k_platform.h>
#include <linux/ar8216_platform.h>
#include <asm/mach-ath79/ar71xx_regs.h>
#include <linux/gpio.h>
#include "common.h"
#include "dev-m25p80.h"
#include "machtypes.h"
#include "pci.h"
#include "dev-ap9x-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"
#include <linux/spi/spi_gpio.h>
#include <linux/spi/74x164.h>
#define ARCHER_C25_GPIO_SHIFT_OE 21 /* OE, Output Enable */
#define ARCHER_C25_GPIO_SHIFT_SER 14 /* DS, Data Serial Input */
#define ARCHER_C25_GPIO_SHIFT_SRCLK 15 /* SHCP, Shift Reg Clock Input */
#define ARCHER_C25_GPIO_SHIFT_SRCLR 19 /* MR, Master Reset */
#define ARCHER_C25_GPIO_SHIFT_RCLK 16 /* STCP, Storage Reg Clock Input */
#define ARCHER_C25_74HC_GPIO_BASE QCA956X_GPIO_COUNT
#define ARCHER_C25_74HC_GPIO_LED_WAN_AMBER 27
#define ARCHER_C25_74HC_GPIO_LED_WAN_GREEN 28
#define ARCHER_C25_74HC_GPIO_LED_WLAN2 29
#define ARCHER_C25_74HC_GPIO_LED_WLAN5 30
#define ARCHER_C25_74HC_GPIO_LED_LAN1 23
#define ARCHER_C25_74HC_GPIO_LED_LAN2 24
#define ARCHER_C25_74HC_GPIO_LED_LAN3 25
#define ARCHER_C25_74HC_GPIO_LED_LAN4 26
#define ARCHER_C25_V1_SSR_BIT_0 0
#define ARCHER_C25_V1_SSR_BIT_1 1
#define ARCHER_C25_V1_SSR_BIT_2 2
#define ARCHER_C25_V1_SSR_BIT_3 3
#define ARCHER_C25_V1_SSR_BIT_4 4
#define ARCHER_C25_V1_SSR_BIT_5 5
#define ARCHER_C25_V1_SSR_BIT_6 6
#define ARCHER_C25_V1_SSR_BIT_7 7
#define ARCHER_C25_V1_KEYS_POLL_INTERVAL 20
#define ARCHER_C25_V1_KEYS_DEBOUNCE_INTERVAL \
(3 * ARCHER_C25_V1_KEYS_POLL_INTERVAL)
#define ARCHER_C25_V1_GPIO_BTN_RESET 1
#define ARCHER_C25_V1_GPIO_BTN_RFKILL 22
#define ARCHER_C25_V1_GPIO_LED_POWER 17
#define ARCHER_C25_V1_GPIO_LED_WPS 2
#define ARCHER_C25_V1_WMAC_CALDATA_OFFSET 0x1000
static struct spi_gpio_platform_data archer_c25_v1_spi_data = {
.sck = ARCHER_C25_GPIO_SHIFT_SRCLK,
.miso = SPI_GPIO_NO_MISO,
.mosi = ARCHER_C25_GPIO_SHIFT_SER,
.num_chipselect = 1,
};
static u8 archer_c25_v1_ssr_initdata[] __initdata = {
BIT(ARCHER_C25_V1_SSR_BIT_7) |
BIT(ARCHER_C25_V1_SSR_BIT_6) |
BIT(ARCHER_C25_V1_SSR_BIT_5) |
BIT(ARCHER_C25_V1_SSR_BIT_4) |
BIT(ARCHER_C25_V1_SSR_BIT_3) |
BIT(ARCHER_C25_V1_SSR_BIT_2) |
BIT(ARCHER_C25_V1_SSR_BIT_1)
};
static struct gen_74x164_chip_platform_data archer_c25_v1_ssr_data = {
.base = ARCHER_C25_74HC_GPIO_BASE,
.num_registers = ARRAY_SIZE(archer_c25_v1_ssr_initdata),
.init_data = archer_c25_v1_ssr_initdata,
};
static struct platform_device archer_c25_v1_spi_device = {
.name = "spi_gpio",
.id = 1,
.dev = {
.platform_data = &archer_c25_v1_spi_data,
},
};
static struct spi_board_info archer_c25_v1_spi_info[] = {
{
.bus_num = 1,
.chip_select = 0,
.max_speed_hz = 10000000,
.modalias = "74x164",
.platform_data = &archer_c25_v1_ssr_data,
.controller_data = (void *) ARCHER_C25_GPIO_SHIFT_RCLK,
},
};
static struct gpio_led archer_c25_v1_leds_gpio[] __initdata = {
{
.name = "archer-c25-v1:green:power",
.gpio = ARCHER_C25_V1_GPIO_LED_POWER,
.active_low = 1,
}, {
.name = "archer-c25-v1:green:wps",
.gpio = ARCHER_C25_V1_GPIO_LED_WPS,
.active_low = 1,
}, {
.name = "archer-c25-v1:green:wlan2g",
.gpio = ARCHER_C25_74HC_GPIO_LED_WLAN2,
.active_low = 1,
}, {
.name = "archer-c25-v1:green:wlan5g",
.gpio = ARCHER_C25_74HC_GPIO_LED_WLAN5,
.active_low = 1,
}, {
.name = "archer-c25-v1:green:lan1",
.gpio = ARCHER_C25_74HC_GPIO_LED_LAN1,
.active_low = 1,
}, {
.name = "archer-c25-v1:green:lan2",
.gpio = ARCHER_C25_74HC_GPIO_LED_LAN2,
.active_low = 1,
}, {
.name = "archer-c25-v1:green:lan3",
.gpio = ARCHER_C25_74HC_GPIO_LED_LAN3,
.active_low = 1,
}, {
.name = "archer-c25-v1:green:lan4",
.gpio = ARCHER_C25_74HC_GPIO_LED_LAN4,
.active_low = 1,
}, {
.name = "archer-c25-v1:green:wan",
.gpio = ARCHER_C25_74HC_GPIO_LED_WAN_GREEN,
.active_low = 1,
}, {
.name = "archer-c25-v1:amber:wan",
.gpio = ARCHER_C25_74HC_GPIO_LED_WAN_AMBER,
.active_low = 1,
},
};
static struct gpio_keys_button archer_c25_v1_gpio_keys[] __initdata = {
{
.desc = "Reset button",
.type = EV_KEY,
.code = KEY_RESTART,
.debounce_interval = ARCHER_C25_V1_KEYS_DEBOUNCE_INTERVAL,
.gpio = ARCHER_C25_V1_GPIO_BTN_RESET,
.active_low = 1,
}, {
.desc = "RFKILL button",
.type = EV_KEY,
.code = KEY_RFKILL,
.debounce_interval = ARCHER_C25_V1_KEYS_DEBOUNCE_INTERVAL,
.gpio = ARCHER_C25_V1_GPIO_BTN_RFKILL,
.active_low = 1,
},
};
static void __init archer_c25_v1_setup(void)
{
u8 *mac = (u8 *) KSEG1ADDR(0x1f7e0008);
u8 *art = (u8 *) KSEG1ADDR(0x1f7f0000);
ath79_register_m25p80(NULL);
spi_register_board_info(archer_c25_v1_spi_info,
ARRAY_SIZE(archer_c25_v1_spi_info));
platform_device_register(&archer_c25_v1_spi_device);
gpio_request_one(ARCHER_C25_GPIO_SHIFT_OE,
GPIOF_OUT_INIT_LOW | GPIOF_EXPORT_DIR_FIXED,
"LED control");
gpio_request_one(ARCHER_C25_GPIO_SHIFT_SRCLR,
GPIOF_OUT_INIT_HIGH | GPIOF_EXPORT_DIR_FIXED,
"LED reset");
ath79_register_leds_gpio(-1, ARRAY_SIZE(archer_c25_v1_leds_gpio),
archer_c25_v1_leds_gpio);
ath79_register_gpio_keys_polled(-1, ARCHER_C25_V1_KEYS_POLL_INTERVAL,
ARRAY_SIZE(archer_c25_v1_gpio_keys),
archer_c25_v1_gpio_keys);
ath79_register_mdio(0, 0x0);
ath79_register_mdio(1, 0x0);
ath79_init_mac(ath79_eth0_data.mac_addr, mac, 0);
ath79_init_mac(ath79_eth1_data.mac_addr, mac, 1);
/* WAN port */
ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
ath79_eth0_data.speed = SPEED_100;
ath79_eth0_data.duplex = DUPLEX_FULL;
ath79_eth0_data.phy_mask = BIT(4);
ath79_register_eth(0);
/* LAN ports */
ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_GMII;
ath79_eth1_data.speed = SPEED_1000;
ath79_eth1_data.duplex = DUPLEX_FULL;
ath79_switch_data.phy_poll_mask |= BIT(4);
ath79_switch_data.phy4_mii_en = 1;
ath79_register_eth(1);
ath79_register_wmac(art + ARCHER_C25_V1_WMAC_CALDATA_OFFSET, mac);
ap91_pci_init(NULL, NULL);
}
MIPS_MACHINE(ATH79_MACH_ARCHER_C25_V1, "ARCHER-C25-V1", "TP-LINK Archer C25 v1",
archer_c25_v1_setup);
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