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[ipfire-2.x.git] / src / patches / kernel / omap / beagle / expansion / 0006-Beagle-expansion-add-wifi.patch
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AF		 1From f78cd93d767cd75969c4661723cfce46071e5b1b Mon Sep 17 00:00:00 2001
2From: Robert Nelson <robertcnelson@gmail.com>
3Date: Tue, 11 Dec 2012 06:48:52 -0600
4Subject: [PATCH 06/10] Beagle: expansion: add wifi
5
6build fixes from Pantelis Antoniou <panto@antoniou-consulting.com>
7
8Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
9---
10 arch/arm/mach-omap2/board-omap3beagle.c | 119 +++++++++++++++++++++++++++++++
11 1 file changed, 119 insertions(+)
12
13diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
14index a8de97e..2322d6c 100644
15--- a/arch/arm/mach-omap2/board-omap3beagle.c
16+++ b/arch/arm/mach-omap2/board-omap3beagle.c
17@@ -221,6 +221,73 @@ static struct {
18 .i2c_settings = EXPANSION_I2C_NONE,
19 };
20
21+#if IS_ENABLED(CONFIG_WL12XX)
22+#include <linux/regulator/fixed.h>
23+#include <linux/ti_wilink_st.h>
24+#include <linux/wl12xx.h>
25+
26+#define OMAP_BEAGLE_WLAN_EN_GPIO (139)
27+#define OMAP_BEAGLE_BT_EN_GPIO (138)
28+#define OMAP_BEAGLE_WLAN_IRQ_GPIO (137)
29+#define OMAP_BEAGLE_FM_EN_BT_WU (136)
30+
31+struct wl12xx_platform_data omap_beagle_wlan_data __initdata = {
32+ .board_ref_clock = WL12XX_REFCLOCK_38, /* 38.4 MHz */
33+};
34+
35+static struct ti_st_plat_data wilink_platform_data = {
36+ .nshutdown_gpio = OMAP_BEAGLE_BT_EN_GPIO,
37+ .dev_name = "/dev/ttyO1",
38+ .flow_cntrl = 1,
39+ .baud_rate = 3000000,
40+ .chip_enable = NULL,
41+ .suspend = NULL,
42+ .resume = NULL,
43+};
44+
45+static struct platform_device wl12xx_device = {
46+ .name = "kim",
47+ .id = -1,
48+ .dev.platform_data = &wilink_platform_data,
49+};
50+
51+static struct platform_device btwilink_device = {
52+ .name = "btwilink",
53+ .id = -1,
54+};
55+#endif
56+
57+static struct regulator_consumer_supply beagle_vmmc2_supply =
58+ REGULATOR_SUPPLY("vmmc", "omap_hsmmc.1");
59+
60+static struct regulator_init_data beagle_vmmc2 = {
61+ .constraints = {
62+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
63+ },
64+ .num_consumer_supplies = 1,
65+ .consumer_supplies = &beagle_vmmc2_supply,
66+};
67+
68+#if IS_ENABLED(CONFIG_WL12XX)
69+static struct fixed_voltage_config beagle_vwlan = {
70+ .supply_name = "vwl1271",
71+ .microvolts = 1800000, /* 1.8V */
72+ .gpio = OMAP_BEAGLE_WLAN_EN_GPIO,
73+ .startup_delay = 70000, /* 70ms */
74+ .enable_high = 1,
75+ .enabled_at_boot = 0,
76+ .init_data = &beagle_vmmc2,
77+};
78+
79+static struct platform_device omap_vwlan_device = {
80+ .name = "reg-fixed-voltage",
81+ .id = 1,
82+ .dev = {
83+ .platform_data = &beagle_vwlan,
84+ },
85+};
86+#endif
87+
88 //rcn-ee: this is just a fake regulator, the zippy hardware provides 3.3/1.8 with jumper..
89 static struct fixed_voltage_config beagle_vzippy = {
90 .supply_name = "vzippy",
91@@ -459,6 +526,26 @@ static struct omap2_hsmmc_info mmc_zippy[] = {
92 },
93 {} /* Terminator */
94 };
95+
96+static struct omap2_hsmmc_info mmcbbt[] = {
97+ {
98+ .mmc = 1,
99+ .caps = MMC_CAP_4_BIT_DATA,
100+ .gpio_wp = -EINVAL,
101+ .deferred = true,
102+ },
103+ {
104+ .name = "wl1271",
105+ .mmc = 2,
106+ .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
107+ .gpio_wp = -EINVAL,
108+ .gpio_cd = -EINVAL,
109+ .ocr_mask = MMC_VDD_165_195,
110+ .nonremovable = true,
111+ },
112+ {} /* Terminator */
113+};
114+
115 static struct regulator_consumer_supply beagle_vmmc1_supply[] = {
116 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
117 };
118@@ -490,6 +577,13 @@ static int beagle_twl_gpio_setup(struct device *dev,
119 int r;
120
121 switch (expansion_config.mmc_settings) {
122+ case EXPANSION_MMC_WIFI:
123+ mmcbbt[0].gpio_wp = beagle_config.mmc1_gpio_wp;
124+ /* gpio + 0 is "mmc0_cd" (input/IRQ) */
125+ mmcbbt[0].gpio_cd = gpio + 0;
126+
127+ omap_hsmmc_late_init(mmcbbt);
128+ break;
129 case EXPANSION_MMC_ZIPPY:
130 mmc_zippy[0].gpio_wp = beagle_config.mmc1_gpio_wp;
131 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
132@@ -839,6 +933,13 @@ static void __init omap3_beagle_init(void)
133 omap_mux_init_gpio(OMAP3BEAGLE_GPIO_ZIPPY_MMC_CD, OMAP_PIN_INPUT);
134 }
135
136+ if (!strcmp(expansionboard_name, "bbtoys-wifi"))
137+ {
138+ #if IS_ENABLED(CONFIG_WL12XX)
139+ expansion_config.mmc_settings = EXPANSION_MMC_WIFI;
140+ #endif
141+ }
142+
143 if (!strcmp(expansionboard2_name, "bbtoys-ulcd"))
144 {
145 int r;
146@@ -857,6 +958,10 @@ static void __init omap3_beagle_init(void)
147 omap_mux_init_gpio(beagle_config.mmc1_gpio_wp, OMAP_PIN_INPUT);
148
149 switch (expansion_config.mmc_settings) {
150+ case EXPANSION_MMC_WIFI:
151+ mmcbbt[0].caps = beagle_config.mmc_caps;
152+ omap_hsmmc_init(mmcbbt);
153+ break;
154 case EXPANSION_MMC_ZIPPY:
155 mmc_zippy[0].caps = beagle_config.mmc_caps;
156 omap_hsmmc_init(mmc_zippy);
157@@ -922,6 +1027,20 @@ static void __init omap3_beagle_init(void)
158 gpio_export(162, 1);
159 }
160
161+ if (!strcmp(expansionboard_name, "bbtoys-wifi"))
162+ {
163+ #if IS_ENABLED(CONFIG_WL12XX)
164+ omap_beagle_wlan_data.irq = gpio_to_irq(OMAP_BEAGLE_WLAN_IRQ_GPIO);
165+ if (wl12xx_set_platform_data(&omap_beagle_wlan_data))
166+ pr_err("error setting wl12xx data\n");
167+ pr_info("Beagle expansionboard: registering wl12xx bt platform device\n");
168+ platform_device_register(&wl12xx_device);
169+ platform_device_register(&btwilink_device);
170+ pr_info("Beagle expansionboard: registering wl12xx wifi platform device\n");
171+ platform_device_register(&omap_vwlan_device);
172+ #endif
173+ }
174+
175 if (!strcmp(expansionboard2_name, "bbtoys-ulcd"))
176 {
177 #if IS_ENABLED(CONFIG_TOUCHSCREEN_TSC2007)
178--
1791.7.10.4
180
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