mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-21 06:33:41 +00:00
176 lines
4.1 KiB
Diff
176 lines
4.1 KiB
Diff
--- a/arch/arm/mach-omap2/board-n8x0.c
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+++ b/arch/arm/mach-omap2/board-n8x0.c
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@@ -15,8 +15,11 @@
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#include <linux/delay.h>
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#include <linux/gpio.h>
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#include <linux/init.h>
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+#include <linux/irq.h>
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#include <linux/io.h>
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#include <linux/stddef.h>
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+#include <linux/platform_device.h>
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+#include <linux/platform_data/cbus.h>
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#include <linux/i2c.h>
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#include <linux/spi/spi.h>
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#include <linux/usb/musb.h>
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@@ -193,6 +196,110 @@ static struct omap_onenand_platform_data
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};
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#endif
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+#if defined(CONFIG_CBUS) || defined(CONFIG_CBUS_MODULE)
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+
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+static struct cbus_host_platform_data n8x0_cbus_data = {
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+ .clk_gpio = 66,
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+ .dat_gpio = 65,
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+ .sel_gpio = 64,
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+};
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+
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+static struct platform_device n8x0_cbus_device = {
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+ .name = "cbus",
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+ .id = -1,
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+ .dev = {
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+ .platform_data = &n8x0_cbus_data,
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+ },
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+};
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+
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+static struct resource retu_resource[] = {
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+ {
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+ .start = -EINVAL, /* set later */
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+ .flags = IORESOURCE_IRQ,
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+ },
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+};
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+
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+static struct cbus_retu_platform_data n8x0_retu_data = {
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+ .devid = CBUS_RETU_DEVICE_ID,
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+};
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+
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+static struct platform_device retu_device = {
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+ .name = "retu",
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+ .id = -1,
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+ .resource = retu_resource,
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+ .num_resources = ARRAY_SIZE(retu_resource),
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+ .dev = {
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+ .platform_data = &n8x0_retu_data,
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+ .parent = &n8x0_cbus_device.dev,
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+ },
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+};
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+
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+static struct resource tahvo_resource[] = {
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+ {
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+ .start = -EINVAL, /* set later */
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+ .flags = IORESOURCE_IRQ,
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+ }
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+};
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+
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+static struct platform_device tahvo_device = {
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+ .name = "tahvo",
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+ .id = -1,
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+ .resource = tahvo_resource,
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+ .num_resources = ARRAY_SIZE(tahvo_resource),
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+ .dev = {
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+ .parent = &n8x0_cbus_device.dev,
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+ },
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+};
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+
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+static void __init n8x0_cbus_init(void)
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+{
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+ int ret;
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+
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+ platform_device_register(&n8x0_cbus_device);
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+
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+ ret = gpio_request(108, "RETU irq");
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+ if (ret < 0) {
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+ pr_err("retu: Unable to reserve IRQ GPIO\n");
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+ return;
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+ }
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+
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+ ret = gpio_direction_input(108);
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+ if (ret < 0) {
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+ pr_err("retu: Unable to change gpio direction\n");
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+ gpio_free(108);
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+ return;
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+ }
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+
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+ irq_set_irq_type(gpio_to_irq(108), IRQ_TYPE_EDGE_RISING);
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+ retu_resource[0].start = gpio_to_irq(108);
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+ platform_device_register(&retu_device);
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+
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+ ret = gpio_request(111, "TAHVO irq");
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+ if (ret) {
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+ pr_err("tahvo: Unable to reserve IRQ GPIO\n");
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+ gpio_free(108);
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+ return;
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+ }
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+
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+ /* Set the pin as input */
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+ ret = gpio_direction_input(111);
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+ if (ret) {
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+ pr_err("tahvo: Unable to change direction\n");
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+ gpio_free(108);
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+ gpio_free(111);
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+ return;
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+ }
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+
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+ tahvo_resource[0].start = gpio_to_irq(111);
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+ platform_device_register(&tahvo_device);
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+}
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+
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+#else
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+static inline void __init n8x0_cbus_init(void)
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+{
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+}
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+#endif
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+
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#if defined(CONFIG_MENELAUS) && \
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(defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE))
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@@ -679,6 +786,8 @@ static inline void board_serial_init(voi
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static void __init n8x0_init_machine(void)
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{
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omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAC);
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+ n8x0_cbus_init();
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+
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/* FIXME: add n810 spi devices */
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spi_register_board_info(n800_spi_board_info,
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ARRAY_SIZE(n800_spi_board_info));
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--- /dev/null
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+++ b/include/linux/platform_data/cbus.h
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@@ -0,0 +1,38 @@
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+/*
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+ * cbus.h - CBUS platform_data definition
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+ *
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+ * Copyright (C) 2004 - 2009 Nokia Corporation
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+ *
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+ * Written by Felipe Balbi <felipe.balbi@nokia.com>
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+ *
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+ * This file is subject to the terms and conditions of the GNU General
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+ * Public License. See the file "COPYING" in the main directory of this
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+ * archive for more details.
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+ *
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+ * This program is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ * GNU General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU General Public License
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+ * along with this program; if not, write to the Free Software
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+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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+ */
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+
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+#ifndef __INCLUDE_LINUX_CBUS_H
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+#define __INCLUDE_LINUX_CBUS_H
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+
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+#define CBUS_RETU_DEVICE_ID 0x01
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+#define CBUS_TAHVO_DEVICE_ID 0x02
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+
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+struct cbus_host_platform_data {
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+ int dat_gpio;
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+ int clk_gpio;
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+ int sel_gpio;
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+};
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+
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+struct cbus_retu_platform_data {
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+ int devid;
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+};
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+
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+#endif /* __INCLUDE_LINUX_CBUS_H */
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