1/*
2 *  OpenMesh OM5P-ACv2 support
3 *
4 *  Copyright (C) 2013 Marek Lindner <marek@open-mesh.com>
5 *  Copyright (C) 2014-2016 Sven Eckelmann <sven@open-mesh.com>
6 *  Copyright (C) 2015 Open-Mesh - Jim Collar <jim.collar@eqware.net>
7 *
8 *  This program is free software; you can redistribute it and/or modify it
9 *  under the terms of the GNU General Public License version 2 as published
10 *  by the Free Software Foundation.
11 */
12
13#include <linux/gpio.h>
14#include <linux/version.h>
15#if LINUX_VERSION_CODE < KERNEL_VERSION(4,4,0)
16#include <linux/mdio-gpio.h>
17#else
18#include <linux/platform_data/mdio-gpio.h>
19#endif
20#include <linux/mtd/mtd.h>
21#include <linux/mtd/partitions.h>
22#include <linux/platform_device.h>
23#include <linux/i2c.h>
24#include <linux/i2c-algo-bit.h>
25#include <linux/i2c-gpio.h>
26#include <linux/platform_data/phy-at803x.h>
27
28#include <asm/mach-ath79/ar71xx_regs.h>
29#include <asm/mach-ath79/ath79.h>
30
31#include "common.h"
32#include "dev-ap9x-pci.h"
33#include "dev-eth.h"
34#include "dev-gpio-buttons.h"
35#include "dev-leds-gpio.h"
36#include "dev-m25p80.h"
37#include "dev-wmac.h"
38#include "machtypes.h"
39#include "pci.h"
40
41#define OM5PACV2_GPIO_LED_POWER	14
42#define OM5PACV2_GPIO_LED_GREEN	13
43#define OM5PACV2_GPIO_LED_RED	23
44#define OM5PACV2_GPIO_LED_YELLOW	15
45#define OM5PACV2_GPIO_BTN_RESET	1
46#define OM5PACV2_GPIO_I2C_SCL	18
47#define OM5PACV2_GPIO_I2C_SDA	19
48#define OM5PACV2_GPIO_PA_DCDC	2
49#define OM5PACV2_GPIO_PA_HIGH	16
50
51#define OM5PACV2_KEYS_POLL_INTERVAL	20	/* msecs */
52#define OM5PACV2_KEYS_DEBOUNCE_INTERVAL	(3 * OM5PACV2_KEYS_POLL_INTERVAL)
53
54#define OM5PACV2_WMAC_CALDATA_OFFSET	0x1000
55
56static struct gpio_led om5pacv2_leds_gpio[] __initdata = {
57	{
58		.name		= "om5pac:blue:power",
59		.gpio		= OM5PACV2_GPIO_LED_POWER,
60		.active_low	= 1,
61	}, {
62		.name		= "om5pac:red:wifi",
63		.gpio		= OM5PACV2_GPIO_LED_RED,
64		.active_low	= 1,
65	}, {
66		.name		= "om5pac:yellow:wifi",
67		.gpio		= OM5PACV2_GPIO_LED_YELLOW,
68		.active_low	= 1,
69	}, {
70		.name		= "om5pac:green:wifi",
71		.gpio		= OM5PACV2_GPIO_LED_GREEN,
72		.active_low	= 1,
73	}
74};
75
76static struct gpio_keys_button om5pacv2_gpio_keys[] __initdata = {
77	{
78		.desc		= "reset",
79		.type		= EV_KEY,
80		.code		= KEY_RESTART,
81		.debounce_interval = OM5PACV2_KEYS_DEBOUNCE_INTERVAL,
82		.gpio		= OM5PACV2_GPIO_BTN_RESET,
83		.active_low	= 1,
84	}
85};
86
87static struct i2c_gpio_platform_data om5pacv2_i2c_device_platdata = {
88	.sda_pin		= OM5PACV2_GPIO_I2C_SDA,
89	.scl_pin		= OM5PACV2_GPIO_I2C_SCL,
90	.udelay			= 10,
91	.sda_is_open_drain	= 1,
92	.scl_is_open_drain	= 1,
93};
94
95static struct platform_device om5pacv2_i2c_device = {
96	.name		= "i2c-gpio",
97	.id		= 0,
98	.dev		= {
99		.platform_data	= &om5pacv2_i2c_device_platdata,
100	},
101};
102
103static struct i2c_board_info om5pacv2_i2c_devs[] __initdata = {
104	{
105		I2C_BOARD_INFO("tmp423", 0x4e),
106	},
107};
108
109static struct flash_platform_data om5pacv2_flash_data = {
110	.type = "mx25l12805d",
111};
112
113static struct at803x_platform_data om5pacv2_an_at803x_data = {
114	.disable_smarteee = 1,
115	.enable_rgmii_rx_delay = 1,
116	.enable_rgmii_tx_delay = 1,
117};
118
119static struct at803x_platform_data om5pacv2_an_at8031_data = {
120	.disable_smarteee = 1,
121	.enable_rgmii_rx_delay = 1,
122	.enable_rgmii_tx_delay = 1,
123};
124
125static struct mdio_board_info om5pacv2_an_mdio0_info[] = {
126	{
127		.bus_id = "ag71xx-mdio.0",
128		.phy_addr = 4,
129		.platform_data = &om5pacv2_an_at803x_data,
130	},
131	{
132		.bus_id = "ag71xx-mdio.1",
133		.phy_addr = 1,
134		.platform_data = &om5pacv2_an_at8031_data,
135	},
136};
137
138static void __init om5p_acv2_setup_qca955x_eth_cfg(u32 mask,
139						   unsigned int rxd,
140						   unsigned int rxdv,
141						   unsigned int txd,
142						   unsigned int txe)
143{
144	void __iomem *base;
145	u32 t;
146
147	base = ioremap(QCA955X_GMAC_BASE, QCA955X_GMAC_SIZE);
148
149	t = mask;
150	t |= rxd << QCA955X_ETH_CFG_RXD_DELAY_SHIFT;
151	t |= rxdv << QCA955X_ETH_CFG_RDV_DELAY_SHIFT;
152	t |= txd << QCA955X_ETH_CFG_TXD_DELAY_SHIFT;
153	t |= txe << QCA955X_ETH_CFG_TXE_DELAY_SHIFT;
154
155	__raw_writel(t, base + QCA955X_GMAC_REG_ETH_CFG);
156
157	iounmap(base);
158}
159
160static void __init om5p_acv2_setup(void)
161{
162	u8 *art = (u8 *)KSEG1ADDR(0x1fff0000);
163	u8 mac[6];
164
165	/* power amplifier high power, 4.2V at RFFM4203/4503 instead of 3.3 */
166	ath79_gpio_function_enable(QCA955X_GPIO_FUNC_JTAG_DISABLE);
167	ath79_gpio_output_select(OM5PACV2_GPIO_PA_DCDC, QCA955X_GPIO_OUT_GPIO);
168	ath79_gpio_output_select(OM5PACV2_GPIO_PA_HIGH, QCA955X_GPIO_OUT_GPIO);
169	gpio_request_one(OM5PACV2_GPIO_PA_DCDC, GPIOF_OUT_INIT_HIGH,
170			 "PA DC/DC");
171	gpio_request_one(OM5PACV2_GPIO_PA_HIGH, GPIOF_OUT_INIT_HIGH, "PA HIGH");
172
173	/* temperature sensor */
174	platform_device_register(&om5pacv2_i2c_device);
175	i2c_register_board_info(0, om5pacv2_i2c_devs,
176				ARRAY_SIZE(om5pacv2_i2c_devs));
177
178	ath79_register_m25p80(&om5pacv2_flash_data);
179	ath79_register_leds_gpio(-1, ARRAY_SIZE(om5pacv2_leds_gpio),
180				 om5pacv2_leds_gpio);
181	ath79_register_gpio_keys_polled(-1, OM5PACV2_KEYS_POLL_INTERVAL,
182					ARRAY_SIZE(om5pacv2_gpio_keys),
183					om5pacv2_gpio_keys);
184
185	ath79_init_mac(mac, art, 0x02);
186	ath79_register_wmac(art + OM5PACV2_WMAC_CALDATA_OFFSET, mac);
187
188	om5p_acv2_setup_qca955x_eth_cfg(QCA955X_ETH_CFG_RGMII_EN, 2, 2, 0, 0);
189	ath79_register_mdio(0, 0x0);
190	ath79_register_mdio(1, 0x0);
191
192	mdiobus_register_board_info(om5pacv2_an_mdio0_info,
193				    ARRAY_SIZE(om5pacv2_an_mdio0_info));
194
195	ath79_init_mac(ath79_eth0_data.mac_addr, art, 0x00);
196	ath79_init_mac(ath79_eth1_data.mac_addr, art, 0x01);
197
198	/* GMAC0 is connected to the PHY4 */
199	ath79_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
200	ath79_eth0_data.mii_bus_dev = &ath79_mdio0_device.dev;
201	ath79_eth0_data.phy_mask = BIT(4);
202	ath79_eth0_pll_data.pll_1000 = 0x82000101;
203	ath79_eth0_pll_data.pll_100 = 0x80000101;
204	ath79_eth0_pll_data.pll_10 = 0x80001313;
205	ath79_register_eth(0);
206
207	/* GMAC1 is connected to MDIO1 in SGMII mode */
208	ath79_eth1_data.phy_if_mode = PHY_INTERFACE_MODE_SGMII;
209	ath79_eth1_data.mii_bus_dev = &ath79_mdio1_device.dev;
210	ath79_eth1_data.phy_mask = BIT(1);
211	ath79_eth1_pll_data.pll_1000 = 0x03000101;
212	ath79_eth1_pll_data.pll_100 = 0x80000101;
213	ath79_eth1_pll_data.pll_10 = 0x80001313;
214	ath79_eth1_data.speed = SPEED_1000;
215	ath79_eth1_data.duplex = DUPLEX_FULL;
216	ath79_register_eth(1);
217
218	ath79_register_pci();
219}
220
221MIPS_MACHINE(ATH79_MACH_OM5P_ACv2, "OM5P-ACv2", "OpenMesh OM5P ACv2", om5p_acv2_setup);
222