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21454a772b
During porting support for this router to ath79 target
it was discovered that GPIO mapping was incorrect (GPIO11 active high).
Correct mapping for both V1 and V2 is GPIO12 active low.
Default configuration from GPL source for V2 explicitly states this, and
this was confirmed experimentally on ath79 by looking on
/sys/kernel/debug/gpio. Correctness of this was also validated for V1 by
cross-flashing vendor firmware for V1 on V2 hardware, in which reset
button also worked.
Fix it.
Signed-off-by: Lech Perczak <lech.perczak@gmail.com>
[slightly adjust commit title]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
(cherry picked from commit f841e70640)
118 lines
2.9 KiB
C
118 lines
2.9 KiB
C
/*
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* TP-LINK TL-WR802N v1, v2
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*
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* Copyright (C) 2015 Rick Pannen <pannen@gmail.com <mailto:pannen@gmail.com>>
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* Copyright (C) 2016 Thomas Roberts <tom.p.roberts@gmail.com <mailto:tom.p.roberts@gmail.com>>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*/
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#include <linux/gpio.h>
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#include <linux/platform_device.h>
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#include <asm/mach-ath79/ath79.h>
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#include <asm/mach-ath79/ar71xx_regs.h>
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#include "common.h"
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#include "dev-eth.h"
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#include "dev-gpio-buttons.h"
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#include "dev-leds-gpio.h"
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#include "dev-m25p80.h"
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#include "dev-wmac.h"
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#include "machtypes.h"
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#define TL_WR802N_GPIO_LED_SYSTEM 13
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#define TL_WR802N_GPIO_BTN_RESET 12
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#define TL_WR802N_KEYS_POLL_INTERVAL 20 /* msecs */
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#define TL_WR802N_KEYS_DEBOUNCE_INTERVAL (3 * TL_WR802N_KEYS_POLL_INTERVAL)
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static const char *tl_wr802n_part_probes[] = {
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"tp-link",
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NULL,
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};
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static struct flash_platform_data tl_wr802n_flash_data = {
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.part_probes = tl_wr802n_part_probes,
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};
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static struct gpio_led tl_wr802n_v1_leds_gpio[] __initdata = {
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{
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.name = "tp-link:blue:system",
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.gpio = TL_WR802N_GPIO_LED_SYSTEM,
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.active_low = 1,
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},
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};
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static struct gpio_led tl_wr802n_v2_leds_gpio[] __initdata = {
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{
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.name = "tl-wr802n-v2:green:system",
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.gpio = TL_WR802N_GPIO_LED_SYSTEM,
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.active_low = 1,
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},
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};
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static struct gpio_keys_button tl_wr802n_gpio_keys[] __initdata = {
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{
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.desc = "reset",
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.type = EV_KEY,
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.code = KEY_RESTART,
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.debounce_interval = TL_WR802N_KEYS_DEBOUNCE_INTERVAL,
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.gpio = TL_WR802N_GPIO_BTN_RESET,
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.active_low = 1,
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}
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};
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static void __init tl_ap143_setup(void)
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{
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u8 *mac = (u8 *) KSEG1ADDR(0x1f01fc00);
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u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
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u8 tmpmac[ETH_ALEN];
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ath79_register_m25p80(&tl_wr802n_flash_data);
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ath79_setup_ar933x_phy4_switch(false, false);
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ath79_register_mdio(0, 0x0);
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/* LAN */
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ath79_switch_data.phy4_mii_en = 1;
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ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_MII;
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ath79_eth0_data.duplex = DUPLEX_FULL;
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ath79_eth0_data.speed = SPEED_100;
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ath79_eth0_data.phy_mask = BIT(4);
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ath79_init_mac(ath79_eth0_data.mac_addr, mac, 1);
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ath79_register_eth(0);
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ath79_init_mac(tmpmac, mac, 0);
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ath79_register_wmac(ee, tmpmac);
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ath79_register_gpio_keys_polled(1, TL_WR802N_KEYS_POLL_INTERVAL,
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ARRAY_SIZE(tl_wr802n_gpio_keys),
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tl_wr802n_gpio_keys);
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}
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static void __init tl_wr802n_v1_setup(void)
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{
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tl_ap143_setup();
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ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr802n_v1_leds_gpio),
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tl_wr802n_v1_leds_gpio);
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}
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static void __init tl_wr802n_v2_setup(void)
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{
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tl_ap143_setup();
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ath79_register_leds_gpio(-1, ARRAY_SIZE(tl_wr802n_v2_leds_gpio),
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tl_wr802n_v2_leds_gpio);
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}
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MIPS_MACHINE(ATH79_MACH_TL_WR802N_V1, "TL-WR802N-v1", "TP-LINK TL-WR802N v1",
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tl_wr802n_v1_setup);
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MIPS_MACHINE(ATH79_MACH_TL_WR802N_V2, "TL-WR802N-v2", "TP-LINK TL-WR802N v2",
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tl_wr802n_v2_setup);
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