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authorLinus Torvalds <torvalds@linux-foundation.org>2011-01-07 06:13:58 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-07 06:13:58 +0300
commit01539ba2a706ab7d35fc0667dff919ade7f87d63 (patch)
tree5a4bd0cf78007d06690fe4ac06bbd49a5a70bc47 /arch/arm/mach-omap1/gpio16xx.c
parent9e9bc9736756f25d6c47b4eba0ebf25b20a6f153 (diff)
parentdc69d1af9e8d9cbbabff88bb35a6782187a22229 (diff)
downloadlinux-01539ba2a706ab7d35fc0667dff919ade7f87d63.tar.xz
Merge branch 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6
* 'omap-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6: (243 commits) omap2: Make OMAP2PLUS select OMAP_DM_TIMER OMAP4: hwmod data: Fix alignment and end of line in structurefields OMAP4: hwmod data: Move the DMA structures OMAP4: hwmod data: Move the smartreflex structures OMAP4: hwmod data: Fix missing SIDLE_SMART_WKUP in smartreflexsysc arm: omap: tusb6010: add name for MUSB IRQ arm: omap: craneboard: Add USB EHCI support omap2+: Initialize serial port for dynamic remuxing for n8x0 omap2+: Add struct omap_board_data and use it for platform level serial init omap2+: Allow hwmod state changes to mux pads based on the state changes omap2+: Add support for hwmod specific muxing of devices omap2+: Add omap_mux_get_by_name OMAP2: PM: fix compile error when !CONFIG_SUSPEND MAINTAINERS: OMAP: hwmod: update hwmod code, data maintainership OMAP4: Smartreflex framework extensions OMAP4: hwmod: Add inital data for smartreflex modules. OMAP4: PM: Program correct init voltages for scalable VDDs OMAP4: Adding voltage driver support OMAP4: Register voltage PMIC parameters with the voltage layer OMAP3: PM: Program correct init voltages for VDD1 and VDD2 ... Fix up trivial conflict in arch/arm/plat-omap/Kconfig
Diffstat (limited to 'arch/arm/mach-omap1/gpio16xx.c')
-rw-r--r--arch/arm/mach-omap1/gpio16xx.c200
1 files changed, 200 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/gpio16xx.c b/arch/arm/mach-omap1/gpio16xx.c
new file mode 100644
index 000000000000..5dd0d4c82b24
--- /dev/null
+++ b/arch/arm/mach-omap1/gpio16xx.c
@@ -0,0 +1,200 @@
+/*
+ * OMAP16xx specific gpio init
+ *
+ * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * Author:
+ * Charulatha V <charu@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/gpio.h>
+
+#define OMAP1610_GPIO1_BASE 0xfffbe400
+#define OMAP1610_GPIO2_BASE 0xfffbec00
+#define OMAP1610_GPIO3_BASE 0xfffbb400
+#define OMAP1610_GPIO4_BASE 0xfffbbc00
+#define OMAP1_MPUIO_VBASE OMAP1_MPUIO_BASE
+
+/* mpu gpio */
+static struct __initdata resource omap16xx_mpu_gpio_resources[] = {
+ {
+ .start = OMAP1_MPUIO_VBASE,
+ .end = OMAP1_MPUIO_VBASE + SZ_2K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = INT_MPUIO,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct __initdata omap_gpio_platform_data omap16xx_mpu_gpio_config = {
+ .virtual_irq_start = IH_MPUIO_BASE,
+ .bank_type = METHOD_MPUIO,
+ .bank_width = 16,
+ .bank_stride = 1,
+};
+
+static struct __initdata platform_device omap16xx_mpu_gpio = {
+ .name = "omap_gpio",
+ .id = 0,
+ .dev = {
+ .platform_data = &omap16xx_mpu_gpio_config,
+ },
+ .num_resources = ARRAY_SIZE(omap16xx_mpu_gpio_resources),
+ .resource = omap16xx_mpu_gpio_resources,
+};
+
+/* gpio1 */
+static struct __initdata resource omap16xx_gpio1_resources[] = {
+ {
+ .start = OMAP1610_GPIO1_BASE,
+ .end = OMAP1610_GPIO1_BASE + SZ_2K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = INT_GPIO_BANK1,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct __initdata omap_gpio_platform_data omap16xx_gpio1_config = {
+ .virtual_irq_start = IH_GPIO_BASE,
+ .bank_type = METHOD_GPIO_1610,
+ .bank_width = 16,
+};
+
+static struct __initdata platform_device omap16xx_gpio1 = {
+ .name = "omap_gpio",
+ .id = 1,
+ .dev = {
+ .platform_data = &omap16xx_gpio1_config,
+ },
+ .num_resources = ARRAY_SIZE(omap16xx_gpio1_resources),
+ .resource = omap16xx_gpio1_resources,
+};
+
+/* gpio2 */
+static struct __initdata resource omap16xx_gpio2_resources[] = {
+ {
+ .start = OMAP1610_GPIO2_BASE,
+ .end = OMAP1610_GPIO2_BASE + SZ_2K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = INT_1610_GPIO_BANK2,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct __initdata omap_gpio_platform_data omap16xx_gpio2_config = {
+ .virtual_irq_start = IH_GPIO_BASE + 16,
+ .bank_type = METHOD_GPIO_1610,
+ .bank_width = 16,
+};
+
+static struct __initdata platform_device omap16xx_gpio2 = {
+ .name = "omap_gpio",
+ .id = 2,
+ .dev = {
+ .platform_data = &omap16xx_gpio2_config,
+ },
+ .num_resources = ARRAY_SIZE(omap16xx_gpio2_resources),
+ .resource = omap16xx_gpio2_resources,
+};
+
+/* gpio3 */
+static struct __initdata resource omap16xx_gpio3_resources[] = {
+ {
+ .start = OMAP1610_GPIO3_BASE,
+ .end = OMAP1610_GPIO3_BASE + SZ_2K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = INT_1610_GPIO_BANK3,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct __initdata omap_gpio_platform_data omap16xx_gpio3_config = {
+ .virtual_irq_start = IH_GPIO_BASE + 32,
+ .bank_type = METHOD_GPIO_1610,
+ .bank_width = 16,
+};
+
+static struct __initdata platform_device omap16xx_gpio3 = {
+ .name = "omap_gpio",
+ .id = 3,
+ .dev = {
+ .platform_data = &omap16xx_gpio3_config,
+ },
+ .num_resources = ARRAY_SIZE(omap16xx_gpio3_resources),
+ .resource = omap16xx_gpio3_resources,
+};
+
+/* gpio4 */
+static struct __initdata resource omap16xx_gpio4_resources[] = {
+ {
+ .start = OMAP1610_GPIO4_BASE,
+ .end = OMAP1610_GPIO4_BASE + SZ_2K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = INT_1610_GPIO_BANK4,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct __initdata omap_gpio_platform_data omap16xx_gpio4_config = {
+ .virtual_irq_start = IH_GPIO_BASE + 48,
+ .bank_type = METHOD_GPIO_1610,
+ .bank_width = 16,
+};
+
+static struct __initdata platform_device omap16xx_gpio4 = {
+ .name = "omap_gpio",
+ .id = 4,
+ .dev = {
+ .platform_data = &omap16xx_gpio4_config,
+ },
+ .num_resources = ARRAY_SIZE(omap16xx_gpio4_resources),
+ .resource = omap16xx_gpio4_resources,
+};
+
+static struct __initdata platform_device * omap16xx_gpio_dev[] = {
+ &omap16xx_mpu_gpio,
+ &omap16xx_gpio1,
+ &omap16xx_gpio2,
+ &omap16xx_gpio3,
+ &omap16xx_gpio4,
+};
+
+/*
+ * omap16xx_gpio_init needs to be done before
+ * machine_init functions access gpio APIs.
+ * Hence omap16xx_gpio_init is a postcore_initcall.
+ */
+static int __init omap16xx_gpio_init(void)
+{
+ int i;
+
+ if (!cpu_is_omap16xx())
+ return -EINVAL;
+
+ for (i = 0; i < ARRAY_SIZE(omap16xx_gpio_dev); i++)
+ platform_device_register(omap16xx_gpio_dev[i]);
+
+ gpio_bank_count = ARRAY_SIZE(omap16xx_gpio_dev);
+
+ return 0;
+}
+postcore_initcall(omap16xx_gpio_init);