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authorColin Cross <ccross@android.com>2010-03-10 20:43:14 -0800
committerDan Willemsen <dwillemsen@nvidia.com>2011-11-30 21:34:27 -0800
commitee8ddb2a30f3c9e9aaaf4050149c15aaf6b13a3f (patch)
treedff44f0e58ce5347dfeb48a243997caf47d792cb /arch
parent0d6c92125bf86413485063e18e61dac98635ad2f (diff)
[ARM] tegra: harmony: Add sdhci devices
Change-Id: I29eab117c3fb237d5178d9fcf065563e656d46f2 Signed-off-by: Colin Cross <ccross@android.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-tegra/Makefile1
-rw-r--r--arch/arm/mach-tegra/board-harmony-sdhci.c191
2 files changed, 192 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile
index 8f9cb21fadd6..d7d10ebc9986 100644
--- a/arch/arm/mach-tegra/Makefile
+++ b/arch/arm/mach-tegra/Makefile
@@ -31,6 +31,7 @@ obj-${CONFIG_MACH_HARMONY} += board-harmony.o
obj-${CONFIG_MACH_HARMONY} += board-harmony-pinmux.o
obj-${CONFIG_MACH_HARMONY} += board-harmony-pcie.o
obj-${CONFIG_MACH_HARMONY} += board-harmony-power.o
+obj-${CONFIG_MACH_HARMONY} += board-harmony-sdhci.o
obj-${CONFIG_MACH_PAZ00} += board-paz00.o
obj-${CONFIG_MACH_PAZ00} += board-paz00-pinmux.o
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);
+