[ARM/tegra] Add Aruba board definition files

Bug 764354

Original-Change-Id: I23d0ddc5107c02195ef58cab0e0c49ea65c72a87
Reviewed-on: http://git-master/r/12229
Reviewed-by: Scott Williams <scwilliams@nvidia.com>
Tested-by: Scott Williams <scwilliams@nvidia.com>
Original-Change-Id: Ibaa7f1e4cd5a3e3475d56601b420e40985194197

Rebase-Id: Rbdcbee634d19419502574f356a35370797db473a

1 files changed, 251 insertions, 0 deletions

diff --git a/arch/arm/mach-tegra/board-aruba-sdhci.c b/arch/arm/mach-tegra/board-aruba-sdhci.c
new file mode 100644
index 000000000000..fc801c080fa7
--- /dev/null
+++ b/arch/arm/mach-tegra/board-aruba-sdhci.c
@@ -0,0 +1,251 @@
+/*
+ * arch/arm/mach-tegra/board-harmony-sdhci.c
+ *
+ * Copyright (C) 2010 Google, Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/resource.h>
+#include <linux/platform_device.h>
+#include <linux/wlan_plat.h>
+#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/mmc/host.h>
+
+#include <asm/mach-types.h>
+#include <mach/irqs.h>
+#include <mach/iomap.h>
+#include <mach/sdhci.h>
+
+#include "gpio-names.h"
+#include "board.h"
+
+#define ARUBA_WIFI 0	/* !!!FIXME!!! NOT SUPPORTED YET */
+
+#if ARUBA_WIFI
+
+#define ARUBA_WLAN_PWR	TEGRA_GPIO_PK5
+#define ARUBA_WLAN_RST	TEGRA_GPIO_PK6
+
+static void (*wifi_status_cb)(int card_present, void *dev_id);
+static void *wifi_status_cb_devid;
+static int aruba_wifi_status_register(void (*callback)(int , void *), void *);
+static struct clk *wifi_32k_clk;
+
+static int aruba_wifi_reset(int on);
+static int aruba_wifi_power(int on);
+static int aruba_wifi_set_carddetect(int val);
+
+static struct wifi_platform_data aruba_wifi_control = {
+	.set_power      = aruba_wifi_power,
+	.set_reset      = aruba_wifi_reset,
+	.set_carddetect = aruba_wifi_set_carddetect,
+};
+
+static struct platform_device aruba_wifi_device = {
+	.name           = "bcm4329_wlan",
+	.id             = 1,
+	.dev            = {
+		.platform_data = &aruba_wifi_control,
+	},
+};
+#endif
+
+static struct resource sdhci_resource0[] = {
+	[0] = {
+		.start  = INT_SDMMC1,
+		.end    = INT_SDMMC1,
+		.flags  = IORESOURCE_IRQ,
+	},
+	[1] = {
+		.start	= TEGRA_SDMMC1_BASE,
+		.end	= TEGRA_SDMMC1_BASE + TEGRA_SDMMC1_SIZE-1,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct resource sdhci_resource2[] = {
+	[0] = {
+		.start  = INT_SDMMC3,
+		.end    = INT_SDMMC3,
+		.flags  = IORESOURCE_IRQ,
+	},
+	[1] = {
+		.start	= TEGRA_SDMMC3_BASE,
+		.end	= TEGRA_SDMMC3_BASE + TEGRA_SDMMC3_SIZE-1,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct resource sdhci_resource3[] = {
+	[0] = {
+		.start  = INT_SDMMC4,
+		.end    = INT_SDMMC4,
+		.flags  = IORESOURCE_IRQ,
+	},
+	[1] = {
+		.start	= TEGRA_SDMMC4_BASE,
+		.end	= TEGRA_SDMMC4_BASE + TEGRA_SDMMC4_SIZE-1,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+
+static struct tegra_sdhci_platform_data tegra_sdhci_platform_data0 = {
+	.clk_id = NULL,
+	.force_hs = 0,
+#if ARUBA_WIFI  /* !!!FIXME!!! NOT SUPPORTED YET */
+	.register_status_notify	= aruba_wifi_status_register,
+	.cccr   = {
+		.sdio_vsn       = 2,
+		.multi_block    = 1,
+		.low_speed      = 0,
+		.wide_bus       = 0,
+		.high_power     = 1,
+		.high_speed     = 1,
+	},
+	.cis  = {
+		.vendor         = 0x02d0,
+		.device         = 0x4329,
+	},
+#endif
+	.cd_gpio = -1,
+	.wp_gpio = -1,
+	.power_gpio = -1,
+};
+
+static struct tegra_sdhci_platform_data tegra_sdhci_platform_data2 = {
+	.clk_id = NULL,
+	.force_hs = 1,
+	.cd_gpio = -1,
+	.wp_gpio = -1,
+	.power_gpio = -1,
+};
+
+static struct tegra_sdhci_platform_data tegra_sdhci_platform_data3 = {
+	.clk_id = NULL,
+	.force_hs = 0,
+	.cd_gpio = -1,
+	.wp_gpio = -1,
+	.power_gpio = -1,
+};
+
+static struct platform_device tegra_sdhci_device0 = {
+	.name		= "sdhci-tegra",
+	.id		= 0,
+	.resource	= sdhci_resource0,
+	.num_resources	= ARRAY_SIZE(sdhci_resource0),
+	.dev = {
+		.platform_data = &tegra_sdhci_platform_data0,
+	},
+};
+
+static struct platform_device tegra_sdhci_device2 = {
+	.name		= "sdhci-tegra",
+	.id		= 2,
+	.resource	= sdhci_resource2,
+	.num_resources	= ARRAY_SIZE(sdhci_resource2),
+	.dev = {
+		.platform_data = &tegra_sdhci_platform_data2,
+	},
+};
+
+static struct platform_device tegra_sdhci_device3 = {
+	.name		= "sdhci-tegra",
+	.id		= 3,
+	.resource	= sdhci_resource3,
+	.num_resources	= ARRAY_SIZE(sdhci_resource3),
+	.dev = {
+		.platform_data = &tegra_sdhci_platform_data3,
+	},
+};
+
+#if ARUBA_WIFI /* !!!FIXME!!! NOT SUPPORTED YET */
+static int aruba_wifi_status_register(
+		void (*callback)(int card_present, void *dev_id),
+		void *dev_id)
+{
+	if (wifi_status_cb)
+		return -EAGAIN;
+	wifi_status_cb = callback;
+	wifi_status_cb_devid = dev_id;
+	return 0;
+}
+
+static int aruba_wifi_set_carddetect(int val)
+{
+	pr_debug("%s: %d\n", __func__, val);
+	if (wifi_status_cb)
+		wifi_status_cb(val, wifi_status_cb_devid);
+	else
+		pr_warning("%s: Nobody to notify\n", __func__);
+	return 0;
+}
+
+static int aruba_wifi_power(int on)
+{
+	pr_debug("%s: %d\n", __func__, on);
+
+	gpio_set_value(ARUBA_WLAN_PWR, on);
+	mdelay(100);
+	gpio_set_value(ARUBA_WLAN_RST, on);
+	mdelay(200);
+
+	if (on)
+		clk_enable(wifi_32k_clk);
+	else
+		clk_disable(wifi_32k_clk);
+
+	return 0;
+}
+
+static int aruba_wifi_reset(int on)
+{
+	pr_debug("%s: do nothing\n", __func__);
+	return 0;
+}
+
+static int __init aruba_wifi_init(void)
+{
+	wifi_32k_clk = clk_get_sys(NULL, "blink");
+	if (IS_ERR(wifi_32k_clk)) {
+		pr_err("%s: unable to get blink clock\n", __func__);
+		return PTR_ERR(wifi_32k_clk);
+	}
+
+	gpio_request(ARUBA_WLAN_PWR, "wlan_power");
+	gpio_request(ARUBA_WLAN_RST, "wlan_rst");
+
+	tegra_gpio_enable(ARUBA_WLAN_PWR);
+	tegra_gpio_enable(ARUBA_WLAN_RST);
+
+	gpio_direction_output(ARUBA_WLAN_PWR, 0);
+	gpio_direction_output(ARUBA_WLAN_RST, 0);
+
+	platform_device_register(&aruba_wifi_device);
+	return 0;
+}
+#else
+#define aruba_wifi_init() do {} while (0)
+#endif
+
+int __init aruba_sdhci_init(void)
+{
+	platform_device_register(&tegra_sdhci_device3);
+	platform_device_register(&tegra_sdhci_device2);
+	platform_device_register(&tegra_sdhci_device0);
+
+	aruba_wifi_init();
+	return 0;
+}