diff options
Diffstat (limited to 'target/linux/omap24xx/patches-3.3/300-cbus-platform.patch')
| -rw-r--r-- | target/linux/omap24xx/patches-3.3/300-cbus-platform.patch | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/target/linux/omap24xx/patches-3.3/300-cbus-platform.patch b/target/linux/omap24xx/patches-3.3/300-cbus-platform.patch new file mode 100644 index 0000000000..7f0c7b4bfc --- /dev/null +++ b/target/linux/omap24xx/patches-3.3/300-cbus-platform.patch @@ -0,0 +1,175 @@ +--- a/arch/arm/mach-omap2/board-n8x0.c ++++ b/arch/arm/mach-omap2/board-n8x0.c +@@ -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)) + +@@ -671,6 +778,8 @@ 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)); +--- /dev/null ++++ b/include/linux/platform_data/cbus.h +@@ -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 */ |