Openwrt/target/linux/omap24xx/patches-2.6.38/300-nokia-board.patch

Index: linux-2.6.38-rc6/arch/arm/mach-omap2/board-n8x0.c
===================================================================
--- linux-2.6.38-rc6.orig/arch/arm/mach-omap2/board-n8x0.c	2011-02-24 12:09:31.427080051 +0100
+++ linux-2.6.38-rc6/arch/arm/mach-omap2/board-n8x0.c	2011-02-24 12:09:59.754956253 +0100
@@ -15,8 +15,10 @@
 #include <linux/delay.h>
 #include <linux/gpio.h>
 #include <linux/init.h>
+#include <linux/irq.h>
 #include <linux/io.h>
 #include <linux/stddef.h>
+#include <linux/platform_device.h>
 #include <linux/i2c.h>
 #include <linux/spi/spi.h>
 #include <linux/usb/musb.h>
@@ -33,6 +35,7 @@
 #include <plat/onenand.h>
 #include <plat/mmc.h>
 #include <plat/serial.h>
+#include <plat/cbus.h>
 
 #include "mux.h"
 
@@ -194,6 +197,114 @@
 };
 #endif
 
+#if defined(CONFIG_CBUS) || defined(CONFIG_CBUS_MODULE)
+
+static struct cbus_host_platform_data n8x0_cbus_data = {
+	.clk_gpio	= 66,
+	.dat_gpio	= 65,
+	.sel_gpio	= 64,
+};
+
+static struct platform_device n8x0_cbus_device = {
+	.name		= "cbus",
+	.id		= -1,
+	.dev		= {
+		.platform_data = &n8x0_cbus_data,
+	},
+};
+
+static struct resource retu_resource[] = {
+	{
+		.start	= -EINVAL, /* set later */
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct cbus_retu_platform_data n8x0_retu_data = {
+	.irq_base	= CBUS_RETU_IRQ_BASE,
+	.irq_end	= CBUS_RETU_IRQ_END,
+	.devid		= CBUS_RETU_DEVICE_ID,
+};
+
+static struct platform_device retu_device = {
+	.name		= "retu",
+	.id		= -1,
+	.resource	= retu_resource,
+	.num_resources	= ARRAY_SIZE(retu_resource),
+	.dev		= {
+		.platform_data = &n8x0_retu_data,
+	},
+};
+
+static struct resource tahvo_resource[] = {
+	{
+		.start	= -EINVAL, /* set later */
+		.flags	= IORESOURCE_IRQ,
+	}
+};
+
+static struct platform_device tahvo_device = {
+	.name		= "tahvo",
+	.id		= -1,
+	.resource	= tahvo_resource,
+	.num_resources	= ARRAY_SIZE(tahvo_resource),
+};
+
+static struct platform_device tahvo_usb_device = {
+	.name		= "tahvo-usb",
+	.id		= -1,
+};
+
+static void __init n8x0_cbus_init(void)
+{
+	int		ret;
+
+	platform_device_register(&n8x0_cbus_device);
+
+	ret = gpio_request(108, "RETU irq");
+	if (ret < 0) {
+		pr_err("retu: Unable to reserve IRQ GPIO\n");
+		return;
+	}
+
+	ret = gpio_direction_input(108);
+	if (ret < 0) {
+		pr_err("retu: Unable to change gpio direction\n");
+		gpio_free(108);
+		return;
+	}
+
+	set_irq_type(gpio_to_irq(108), IRQ_TYPE_EDGE_RISING);
+	retu_resource[0].start = gpio_to_irq(108);
+	platform_device_register(&retu_device);
+
+	ret = gpio_request(111, "TAHVO irq");
+	if (ret) {
+		pr_err("tahvo: Unable to reserve IRQ GPIO\n");
+		gpio_free(108);
+		return;
+	}
+
+	/* Set the pin as input */
+	ret = gpio_direction_input(111);
+	if (ret) {
+		pr_err("tahvo: Unable to change direction\n");
+		gpio_free(108);
+		gpio_free(111);
+		return;
+	}
+
+	tahvo_resource[0].start = gpio_to_irq(111);
+	platform_device_register(&tahvo_device);
+	platform_device_register(&tahvo_usb_device);
+}
+
+#else
+static inline void __init n8x0_cbus_init(void)
+{
+}
+#endif
+
 #if defined(CONFIG_MENELAUS) &&						\
 	(defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE))
 
@@ -628,11 +739,10 @@
 	omap242x_map_common_io();
 }
 
-static void __init n8x0_init_irq(void)
+static void __init n8x0_init_early(void)
 {
 	omap2_init_common_infrastructure();
 	omap2_init_common_devices(NULL, NULL);
-	omap_init_irq();
 }
 
 #ifdef CONFIG_OMAP_MUX
@@ -686,6 +796,8 @@
 static void __init n8x0_init_machine(void)
 {
 	omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAC);
+	n8x0_cbus_init();
+
 	/* FIXME: add n810 spi devices */
 	spi_register_board_info(n800_spi_board_info,
 				ARRAY_SIZE(n800_spi_board_info));
@@ -703,27 +815,30 @@
 
 MACHINE_START(NOKIA_N800, "Nokia N800")
 	.boot_params	= 0x80000100,
-	.map_io		= n8x0_map_io,
 	.reserve	= omap_reserve,
-	.init_irq	= n8x0_init_irq,
+	.map_io		= n8x0_map_io,
+	.init_early	= n8x0_init_early,
+	.init_irq	= omap_init_irq,
 	.init_machine	= n8x0_init_machine,
 	.timer		= &omap_timer,
 MACHINE_END
 
 MACHINE_START(NOKIA_N810, "Nokia N810")
 	.boot_params	= 0x80000100,
-	.map_io		= n8x0_map_io,
 	.reserve	= omap_reserve,
-	.init_irq	= n8x0_init_irq,
+	.map_io		= n8x0_map_io,
+	.init_early	= n8x0_init_early,
+	.init_irq	= omap_init_irq,
 	.init_machine	= n8x0_init_machine,
 	.timer		= &omap_timer,
 MACHINE_END
 
 MACHINE_START(NOKIA_N810_WIMAX, "Nokia N810 WiMAX")
 	.boot_params	= 0x80000100,
-	.map_io		= n8x0_map_io,
 	.reserve	= omap_reserve,
-	.init_irq	= n8x0_init_irq,
+	.map_io		= n8x0_map_io,
+	.init_early	= n8x0_init_early,
+	.init_irq	= omap_init_irq,
 	.init_machine	= n8x0_init_machine,
 	.timer		= &omap_timer,
 MACHINE_END