ARM: OMAP2+: omap3-pandora: add wifi support

[firefly-linux-kernel-4.4.55.git] / arch / arm / mach-omap2 / pdata-quirks.c

diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c
index 9bfb47a4756e4ecc39f025ca08959954e641d065..4e655ae2d50731303b69402028124ff7022f333c 100644 (file)
--- a/arch/arm/mach-omap2/pdata-quirks.c
+++ b/arch/arm/mach-omap2/pdata-quirks.c
@@ -14,6 +14,11 @@
 #include <linux/kernel.h>
 #include <linux/of_platform.h>
 #include <linux/ti_wilink_st.h>
+#include <linux/wl12xx.h>
+#include <linux/mmc/card.h>
+#include <linux/mmc/host.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/fixed.h>
 
 #include <linux/platform_data/pinctrl-single.h>
 #include <linux/platform_data/iommu-omap.h>
@@ -26,6 +31,7 @@
 #include "omap_device.h"
 #include "omap-secure.h"
 #include "soc.h"
+#include "hsmmc.h"
 
 struct pdata_init {
        const char *compatible;
@@ -270,14 +276,109 @@ static void __init omap3_tao3530_legacy_init(void)
        hsmmc2_internal_input_clk();
 }
 
+/* omap3pandora legacy devices */
+#define PANDORA_WIFI_IRQ_GPIO          21
+#define PANDORA_WIFI_NRESET_GPIO       23
+
 static struct platform_device pandora_backlight = {
        .name   = "pandora-backlight",
        .id     = -1,
 };
 
+static struct regulator_consumer_supply pandora_vmmc3_supply[] = {
+       REGULATOR_SUPPLY("vmmc", "omap_hsmmc.2"),
+};
+
+static struct regulator_init_data pandora_vmmc3 = {
+       .constraints = {
+               .valid_ops_mask         = REGULATOR_CHANGE_STATUS,
+       },
+       .num_consumer_supplies  = ARRAY_SIZE(pandora_vmmc3_supply),
+       .consumer_supplies      = pandora_vmmc3_supply,
+};
+
+static struct fixed_voltage_config pandora_vwlan = {
+       .supply_name            = "vwlan",
+       .microvolts             = 1800000, /* 1.8V */
+       .gpio                   = PANDORA_WIFI_NRESET_GPIO,
+       .startup_delay          = 50000, /* 50ms */
+       .enable_high            = 1,
+       .init_data              = &pandora_vmmc3,
+};
+
+static struct platform_device pandora_vwlan_device = {
+       .name           = "reg-fixed-voltage",
+       .id             = 1,
+       .dev = {
+               .platform_data = &pandora_vwlan,
+       },
+};
+
+static void pandora_wl1251_init_card(struct mmc_card *card)
+{
+       /*
+        * We have TI wl1251 attached to MMC3. Pass this information to
+        * SDIO core because it can't be probed by normal methods.
+        */
+       if (card->type == MMC_TYPE_SDIO || card->type == MMC_TYPE_SD_COMBO) {
+               card->quirks |= MMC_QUIRK_NONSTD_SDIO;
+               card->cccr.wide_bus = 1;
+               card->cis.vendor = 0x104c;
+               card->cis.device = 0x9066;
+               card->cis.blksize = 512;
+               card->cis.max_dtr = 24000000;
+               card->ocr = 0x80;
+       }
+}
+
+static struct omap2_hsmmc_info pandora_mmc3[] = {
+       {
+               .mmc            = 3,
+               .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
+               .gpio_cd        = -EINVAL,
+               .gpio_wp        = -EINVAL,
+               .init_card      = pandora_wl1251_init_card,
+       },
+       {}      /* Terminator */
+};
+
+static void __init pandora_wl1251_init(void)
+{
+       struct wl1251_platform_data pandora_wl1251_pdata;
+       int ret;
+
+       memset(&pandora_wl1251_pdata, 0, sizeof(pandora_wl1251_pdata));
+
+       pandora_wl1251_pdata.power_gpio = -1;
+
+       ret = gpio_request_one(PANDORA_WIFI_IRQ_GPIO, GPIOF_IN, "wl1251 irq");
+       if (ret < 0)
+               goto fail;
+
+       pandora_wl1251_pdata.irq = gpio_to_irq(PANDORA_WIFI_IRQ_GPIO);
+       if (pandora_wl1251_pdata.irq < 0)
+               goto fail_irq;
+
+       pandora_wl1251_pdata.use_eeprom = true;
+       ret = wl1251_set_platform_data(&pandora_wl1251_pdata);
+       if (ret < 0)
+               goto fail_irq;
+
+       return;
+
+fail_irq:
+       gpio_free(PANDORA_WIFI_IRQ_GPIO);
+fail:
+       pr_err("wl1251 board initialisation failed\n");
+}
+
 static void __init omap3_pandora_legacy_init(void)
 {
        platform_device_register(&pandora_backlight);
+       platform_device_register(&pandora_vwlan_device);
+       omap_hsmmc_init(pandora_mmc3);
+       omap_hsmmc_late_init(pandora_mmc3);
+       pandora_wl1251_init();
 }
 #endif /* CONFIG_ARCH_OMAP3 */