This patch adds support for handling OMAP15xx specific gpio_init
by providing platform device data and doing device registration.
Signed-off-by: Charulatha V <ch...@ti.com>
---
arch/arm/mach-omap1/gpio15xx.c | 102 ++++++++++++++++++++++++++++++++++++++++
1 files changed, 102 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-omap1/gpio15xx.c
diff --git a/arch/arm/mach-omap1/gpio15xx.c b/arch/arm/mach-omap1/gpio15xx.c
new file mode 100644
index 0000000..99c4017
--- /dev/null
+++ b/arch/arm/mach-omap1/gpio15xx.c
@@ -0,0 +1,102 @@
+/*
+ * gpio15xx.c - OMAP15XX-specific gpio code
+ *
+ * Copyright (C) 2010 Texas Instruments, Inc.
+ *
+ * Author:
+ * Charulatha V <ch...@ti.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/gpio.h>
+
+/*
+ * OMAP15XX GPIO1 interface data
+ */
+static struct __initdata resource omap15xx_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 omap15xx_mpu_gpio_config = {
+ .virtual_irq_start = IH_MPUIO_BASE,
+ .method = METHOD_MPUIO,
+};
+
+static struct __initdata platform_device omap15xx_mpu_gpio = {
+ .name = "omap-gpio",
+ .id = 0,
+ .dev = {
+ .platform_data = &omap15xx_mpu_gpio_config,
+ },
+ .num_resources = ARRAY_SIZE(omap15xx_mpu_gpio_resources),
+ .resource = omap15xx_mpu_gpio_resources,
+};
+
+/*
+ * OMAP15XX GPIO2 interface data
+ */
+static struct __initdata resource omap15xx_gpio_resources[] = {
+ {
+ .start = OMAP1510_GPIO_BASE,
+ .end = OMAP1510_GPIO_BASE + SZ_2K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = INT_GPIO_BANK1,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct __initdata omap_gpio_platform_data omap15xx_gpio_config = {
+ .virtual_irq_start = IH_GPIO_BASE,
+ .method = METHOD_GPIO_1510,
+};
+
+static struct __initdata platform_device omap15xx_gpio = {
+ .name = "omap-gpio",
+ .id = 1,
+ .dev = {
+ .platform_data = &omap15xx_gpio_config,
+ },
+ .num_resources = ARRAY_SIZE(omap15xx_gpio_resources),
+ .resource = omap15xx_gpio_resources,
+};
+
+static struct __initdata platform_device * omap15xx_gpio_dev[] = {
+ &omap15xx_mpu_gpio,
+ &omap15xx_gpio,
+};
+
+int __init omap15xx_gpio_init(void)
+{
+ if (cpu_is_omap15xx()) {
+ early_platform_add_devices(omap15xx_gpio_dev,
+ sizeof(omap15xx_gpio_dev));
+ early_platform_driver_register_all("earlygpio");
+ early_platform_driver_probe("earlygpio",
+ sizeof(omap15xx_gpio_dev), 0);
+ }
+ return 0;
+}
+
+int __init omap15xx_gpio_dev_reg(void)
+{
+ if (cpu_is_omap15xx()) {
+ platform_device_register(&omap15xx_mpu_gpio);
+ platform_device_register(&omap15xx_gpio);
+ }
+
+ return 0;
+}
+arch_initcall(omap15xx_gpio_dev_reg);
--
1.6.3.3
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