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Index: linux-3.1/arch/arm/mach-omap2/board-n8x0.c
===================================================================
--- linux-3.1.orig/arch/arm/mach-omap2/board-n8x0.c 2011-10-30 21:04:56.008818251 +0100
+++ linux-3.1/arch/arm/mach-omap2/board-n8x0.c 2011-10-30 21:14:31.600257909 +0100
@@ -15,8 +15,11 @@
#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/platform_data/cbus.h>
#include <linux/i2c.h>
#include <linux/spi/spi.h>
#include <linux/usb/musb.h>
@@ -193,6 +196,110 @@ static struct omap_onenand_platform_data
};
#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 = {
+ .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,
+ .parent = &n8x0_cbus_device.dev,
+ },
+};
+
+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),
+ .dev = {
+ .parent = &n8x0_cbus_device.dev,
+ },
+};
+
+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;
+ }
+
+ irq_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);
+}
+
+#else
+static inline void __init n8x0_cbus_init(void)
+{
+}
+#endif
+
#if defined(CONFIG_MENELAUS) && \
(defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE))
@@ -679,6 +786,8 @@ static inline void board_serial_init(voi
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));
Index: linux-3.1/include/linux/platform_data/cbus.h
===================================================================
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-3.1/include/linux/platform_data/cbus.h 2011-10-30 21:05:07.540709042 +0100
@@ -0,0 +1,38 @@
+/*
+ * cbus.h - CBUS platform_data definition
+ *
+ * Copyright (C) 2004 - 2009 Nokia Corporation
+ *
+ * Written by Felipe Balbi <felipe.balbi@nokia.com>
+ *
+ * This file is subject to the terms and conditions of the GNU General
+ * Public License. See the file "COPYING" in the main directory of this
+ * archive for more details.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef __INCLUDE_LINUX_CBUS_H
+#define __INCLUDE_LINUX_CBUS_H
+
+#define CBUS_RETU_DEVICE_ID 0x01
+#define CBUS_TAHVO_DEVICE_ID 0x02
+
+struct cbus_host_platform_data {
+ int dat_gpio;
+ int clk_gpio;
+ int sel_gpio;
+};
+
+struct cbus_retu_platform_data {
+ int devid;
+};
+
+#endif /* __INCLUDE_LINUX_CBUS_H */
|
