1139749Simp/* 2158078Smarcel * EnGenius ESR1750 board support 3158078Smarcel * 4158078Smarcel * Copyright (c) 2014 Jon Suphammer <jon@suphammer.net> 5119815Smarcel * 6119815Smarcel * This program is free software; you can redistribute it and/or modify it 7119815Smarcel * under the terms of the GNU General Public License version 2 as published 8119815Smarcel * by the Free Software Foundation. 9119815Smarcel */ 10119815Smarcel 11119815Smarcel#include <linux/platform_device.h> 12119815Smarcel#include <linux/ar8216_platform.h> 13119815Smarcel 14119815Smarcel#include <asm/mach-ath79/ar71xx_regs.h> 15119815Smarcel 16119815Smarcel#include "common.h" 17119815Smarcel#include "pci.h" 18119815Smarcel#include "dev-ap9x-pci.h" 19119815Smarcel#include "dev-gpio-buttons.h" 20119815Smarcel#include "dev-eth.h" 21119815Smarcel#include "dev-leds-gpio.h" 22119815Smarcel#include "dev-m25p80.h" 23119815Smarcel#include "dev-usb.h" 24119815Smarcel#include "dev-wmac.h" 25119815Smarcel#include "machtypes.h" 26119815Smarcel#include "nvram.h" 27119815Smarcel 28119815Smarcel#define ESR1750_GPIO_LED_WLAN_5G 23 29119815Smarcel#define ESR1750_GPIO_LED_WLAN_2G 13 30119815Smarcel#define ESR1750_GPIO_LED_POWER_AMBER 2 31119815Smarcel#define ESR1750_GPIO_LED_WPS_AMBER 22 32119815Smarcel#define ESR1750_GPIO_LED_WPS_BLUE 19 33119815Smarcel 34119815Smarcel#define ESR1750_GPIO_BTN_WPS 16 35119815Smarcel#define ESR1750_GPIO_BTN_RESET 17 36119815Smarcel 37119815Smarcel#define ESR1750_KEYS_POLL_INTERVAL 20 /* msecs */ 38119815Smarcel#define ESR1750_KEYS_DEBOUNCE_INTERVAL (3 * ESR1750_KEYS_POLL_INTERVAL) 39119815Smarcel 40119815Smarcel#define ESR1750_CALDATA_ADDR 0x1fff0000 41119815Smarcel#define ESR1750_WMAC_CALDATA_OFFSET 0x1000 42119815Smarcel#define ESR1750_PCIE_CALDATA_OFFSET 0x5000 43119815Smarcel 44119815Smarcel#define ESR1750_NVRAM_ADDR 0x1f030000 45158058Smarcel#define ESR1750_NVRAM_SIZE 0x10000 46158058Smarcel 47119815Smarcelstatic struct gpio_led esr1750_leds_gpio[] __initdata = { 48119815Smarcel { 49119815Smarcel .name = "esr1750:amber:power", 50119815Smarcel .gpio = ESR1750_GPIO_LED_POWER_AMBER, 51119815Smarcel .active_low = 1, 52119815Smarcel }, 53119815Smarcel { 54119815Smarcel .name = "esr1750:blue:wps", 55119815Smarcel .gpio = ESR1750_GPIO_LED_WPS_BLUE, 56119815Smarcel .active_low = 1, 57119815Smarcel }, 58119815Smarcel { 59119815Smarcel .name = "esr1750:amber:wps", 60119815Smarcel .gpio = ESR1750_GPIO_LED_WPS_AMBER, 61119815Smarcel .active_low = 1, 62119815Smarcel }, 63119815Smarcel { 64158058Smarcel .name = "esr1750:blue:wlan-2g", 65158058Smarcel .gpio = ESR1750_GPIO_LED_WLAN_2G, 66158058Smarcel .active_low = 1, 67158058Smarcel }, 68119815Smarcel { 69119815Smarcel .name = "esr1750:blue:wlan-5g", 70158058Smarcel .gpio = ESR1750_GPIO_LED_WLAN_5G, 71119815Smarcel .active_low = 1, 72119815Smarcel } 73119815Smarcel}; 74158078Smarcel 75158078Smarcelstatic struct gpio_keys_button esr1750_gpio_keys[] __initdata = { 76158078Smarcel { 77158078Smarcel .desc = "WPS button", 78158058Smarcel .type = EV_KEY, 79158058Smarcel .code = KEY_WPS_BUTTON, 80158078Smarcel .debounce_interval = ESR1750_KEYS_DEBOUNCE_INTERVAL, 81158078Smarcel .gpio = ESR1750_GPIO_BTN_WPS, 82169646Smarcel .active_low = 1, 83158078Smarcel }, 84158058Smarcel { 85158058Smarcel .desc = "Reset button", 86158058Smarcel .type = EV_KEY, 87158058Smarcel .code = KEY_RESTART, 88158058Smarcel .debounce_interval = ESR1750_KEYS_DEBOUNCE_INTERVAL, 89158058Smarcel .gpio = ESR1750_GPIO_BTN_RESET, 90158058Smarcel .active_low = 1, 91158058Smarcel }, 92158058Smarcel}; 93158058Smarcel 94158058Smarcelstatic struct ar8327_pad_cfg esr1750_ar8327_pad0_cfg = { 95158078Smarcel .mode = AR8327_PAD_MAC_RGMII, 96158078Smarcel .txclk_delay_en = true, 97158058Smarcel .rxclk_delay_en = true, 98158058Smarcel .txclk_delay_sel = AR8327_CLK_DELAY_SEL2, 99188472Skaiw .rxclk_delay_sel = AR8327_CLK_DELAY_SEL2, 100158078Smarcel}; 101158078Smarcel 102158078Smarcelstatic struct ar8327_platform_data esr1750_ar8327_data = { 103158078Smarcel .pad0_cfg = &esr1750_ar8327_pad0_cfg, 104158078Smarcel .port0_cfg = { 105158078Smarcel .force_link = 1, 106158078Smarcel .speed = AR8327_PORT_SPEED_1000, 107158078Smarcel .duplex = 1, 108158078Smarcel .txpause = 1, 109158078Smarcel .rxpause = 1, 110158078Smarcel }, 111158078Smarcel}; 112158078Smarcel 113158058Smarcelstatic struct mdio_board_info esr1750_mdio0_info[] = { 114158058Smarcel { 115119815Smarcel .bus_id = "ag71xx-mdio.0", 116119815Smarcel .phy_addr = 0, 117119815Smarcel .platform_data = &esr1750_ar8327_data, 118158058Smarcel }, 119119815Smarcel}; 120158058Smarcel 121119815Smarcelstatic int esr1750_get_mac(const char *name, char *mac) 122158058Smarcel{ 123158058Smarcel u8 *nvram = (u8 *) KSEG1ADDR(ESR1750_NVRAM_ADDR); 124158058Smarcel int err; 125158058Smarcel 126119815Smarcel err = ath79_nvram_parse_mac_addr(nvram, ESR1750_NVRAM_SIZE, 127158058Smarcel name, mac); 128158058Smarcel if (err) { 129158058Smarcel pr_err("no MAC address found for %s\n", name); 130158058Smarcel return false; 131158058Smarcel } 132158058Smarcel 133158058Smarcel return true; 134158058Smarcel} 135158058Smarcel 136158058Smarcelstatic void __init esr1750_setup(void) 137119815Smarcel{ 138119815Smarcel u8 *caldata = (u8 *) KSEG1ADDR(ESR1750_CALDATA_ADDR); 139119815Smarcel u8 mac1[ETH_ALEN]; 140119815Smarcel 141119815Smarcel ath79_register_m25p80(NULL); 142119815Smarcel 143119815Smarcel ath79_register_leds_gpio(-1, ARRAY_SIZE(esr1750_leds_gpio), 144119815Smarcel esr1750_leds_gpio); 145119815Smarcel ath79_register_gpio_keys_polled(-1, ESR1750_KEYS_POLL_INTERVAL, 146119815Smarcel ARRAY_SIZE(esr1750_gpio_keys), 147158058Smarcel esr1750_gpio_keys); 148119815Smarcel 149119815Smarcel ath79_register_usb(); 150119815Smarcel 151119815Smarcel ath79_setup_qca955x_eth_cfg(QCA955X_ETH_CFG_RGMII_EN); 152119815Smarcel 153119815Smarcel ath79_register_mdio(0, 0x0); 154119815Smarcel 155119815Smarcel mdiobus_register_board_info(esr1750_mdio0_info, 156119815Smarcel ARRAY_SIZE(esr1750_mdio0_info)); 157119815Smarcel 158158058Smarcel /* GMAC0 is connected to an QCA8327N switch */ 159119815Smarcel ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII; 160119815Smarcel ath79_eth0_data.phy_mask = BIT(0); 161119815Smarcel ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev; 162123019Simp 163 if (esr1750_get_mac("ethaddr=", mac1)) 164 ath79_init_mac(ath79_eth0_data.mac_addr, mac1, 0); 165 166 ath79_eth0_pll_data.pll_1000 = 0xa6000000; 167 ath79_register_eth(0); 168 169 ath79_register_wmac(caldata + ESR1750_WMAC_CALDATA_OFFSET, mac1); 170 171 ath79_register_pci(); 172} 173 174MIPS_MACHINE(ATH79_MACH_ESR1750, "ESR1750", 175 "EnGenius ESR1750", 176 esr1750_setup); 177