[ARM] tegra: harmony: Add sdhci devices

Change-Id: I29eab117c3fb237d5178d9fcf065563e656d46f2
Signed-off-by: Colin Cross <ccross@android.com>

1 files changed, 191 insertions, 0 deletions

diff --git a/arch/arm/mach-tegra/board-harmony-sdhci.c b/arch/arm/mach-tegra/board-harmony-sdhci.c
new file mode 100644
index 000000000000..66907a605361
--- /dev/null
+++ b/arch/arm/mach-tegra/board-harmony-sdhci.c
@@ -0,0 +1,191 @@
+/*
+ * 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/delay.h>
+#include <asm/mach-types.h>
+#include <asm/gpio.h>
+#include <mach/irqs.h>
+#include <mach/iomap.h>
+#include <mach/sdhci.h>
+#include <mach/gpio-names.h>
+#include <mach/pinmux.h>
+
+/*static struct resource sdhci_resource1[] = {
+	[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_SDMMC2,
+		.end    = INT_SDMMC2,
+		.flags  = IORESOURCE_IRQ,
+	},
+	[1] = {
+		.start	= TEGRA_SDMMC2_BASE,
+		.end	= TEGRA_SDMMC2_BASE + TEGRA_SDMMC2_SIZE-1,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+/*static struct resource sdhci_resource3[] = {
+	[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_resource4[] = {
+	[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_data1 = {
+	.clk_id = NULL,
+	.force_hs = 0,
+};*/
+
+static struct tegra_sdhci_platform_data tegra_sdhci_platform_data2 = {
+	.clk_id = NULL,
+	.force_hs = 1,
+	.cd_gpio = TEGRA_GPIO_PI5,
+	.wp_gpio = TEGRA_GPIO_PH1,
+	.power_gpio = TEGRA_GPIO_PT3,
+};
+
+/*static struct tegra_sdhci_platform_data tegra_sdhci_platform_data3 = {
+	.clk_id = NULL,
+	.force_hs = 0,
+};*/
+
+static struct tegra_sdhci_platform_data tegra_sdhci_platform_data4 = {
+	.clk_id = NULL,
+	.force_hs = 0,
+	.cd_gpio = TEGRA_GPIO_PH2,
+	.wp_gpio = TEGRA_GPIO_PH3,
+	.power_gpio = TEGRA_GPIO_PI6,
+};
+
+/*static struct platform_device tegra_sdhci_device1 = {
+	.name		= "sdhci-tegra",
+	.id		= 0,
+	.resource	= sdhci_resource1,
+	.num_resources	= ARRAY_SIZE(sdhci_resource1),
+	.dev = {
+		.platform_data = &tegra_sdhci_platform_data1,
+	},
+};*/
+
+static struct platform_device tegra_sdhci_device2 = {
+	.name		= "sdhci-tegra",
+	.id		= 1,
+	.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		= 2,
+	.resource	= sdhci_resource3,
+	.num_resources	= ARRAY_SIZE(sdhci_resource3),
+	.dev = {
+		.platform_data = &tegra_sdhci_platform_data3,
+	},
+};*/
+
+static struct platform_device tegra_sdhci_device4 = {
+	.name		= "sdhci-tegra",
+	.id		= 3,
+	.resource	= sdhci_resource4,
+	.num_resources	= ARRAY_SIZE(sdhci_resource4),
+	.dev = {
+		.platform_data = &tegra_sdhci_platform_data4,
+	},
+};
+
+static int __init harmony_init_sdhci(void)
+{
+	int ret;
+
+	if (!machine_is_harmony())
+		return 0;
+
+	tegra_pinmux_set_tristate(TEGRA_PINGROUP_DTA, TEGRA_TRI_NORMAL);
+	tegra_pinmux_set_tristate(TEGRA_PINGROUP_DTB, TEGRA_TRI_NORMAL);
+	tegra_pinmux_set_tristate(TEGRA_PINGROUP_DTD, TEGRA_TRI_NORMAL);
+
+	tegra_pinmux_set_tristate(TEGRA_PINGROUP_GMA, TEGRA_TRI_NORMAL);
+	tegra_pinmux_set_tristate(TEGRA_PINGROUP_GMB, TEGRA_TRI_NORMAL);
+	tegra_pinmux_set_tristate(TEGRA_PINGROUP_ATB, TEGRA_TRI_NORMAL);
+
+	gpio_request(tegra_sdhci_platform_data2.power_gpio, "sdhci2_power");
+	gpio_request(tegra_sdhci_platform_data2.cd_gpio, "sdhci2_cd");
+	gpio_request(tegra_sdhci_platform_data2.wp_gpio, "sdhci2_wp");
+
+	tegra_gpio_enable(tegra_sdhci_platform_data2.power_gpio);
+	tegra_gpio_enable(tegra_sdhci_platform_data2.cd_gpio);
+	tegra_gpio_enable(tegra_sdhci_platform_data2.wp_gpio);
+
+	gpio_request(tegra_sdhci_platform_data4.power_gpio, "sdhci4_power");
+	gpio_request(tegra_sdhci_platform_data4.cd_gpio, "sdhci4_cd");
+	gpio_request(tegra_sdhci_platform_data4.wp_gpio, "sdhci4_wp");
+
+	tegra_gpio_enable(tegra_sdhci_platform_data4.power_gpio);
+	tegra_gpio_enable(tegra_sdhci_platform_data4.cd_gpio);
+	tegra_gpio_enable(tegra_sdhci_platform_data4.wp_gpio);
+
+	gpio_direction_output(tegra_sdhci_platform_data2.power_gpio, 1);
+	gpio_direction_output(tegra_sdhci_platform_data4.power_gpio, 1);
+
+	/*ret = platform_device_register(&tegra_sdhci_device1);*/
+	ret = platform_device_register(&tegra_sdhci_device2);
+	/*ret = platform_device_register(&tegra_sdhci_device3);*/
+	ret = platform_device_register(&tegra_sdhci_device4);
+	if (ret != 0)
+		return ret;
+
+	return 0;
+}
+
+device_initcall(harmony_init_sdhci);
+