adds gpiodev support to ifxmips

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11405 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/ifxmips/config-2.6.25 b/target/linux/ifxmips/config-2.6.25
index 4299aef..342fa11 100644 (file)
--- a/target/linux/ifxmips/config-2.6.25
+++ b/target/linux/ifxmips/config-2.6.25
@@ -52,13 +52,16 @@ CONFIG_DEVPORT=y
 # CONFIG_DM9000 is not set
 CONFIG_DMA_NEED_PCI_MAP_STATE=y
 CONFIG_DMA_NONCOHERENT=y
+# CONFIG_E1000E_ENABLED is not set
 CONFIG_EARLY_PRINTK=y
 CONFIG_FS_POSIX_ACL=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
 CONFIG_GENERIC_CMOS_UPDATE=y
 CONFIG_GENERIC_FIND_NEXT_BIT=y
+CONFIG_GENERIC_GPIO=y
 # CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ is not set
+CONFIG_GPIO_DEVICE=y
 CONFIG_HAS_DMA=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
@@ -90,6 +93,7 @@ CONFIG_INITRAMFS_SOURCE=""
 CONFIG_IRQ_CPU=y
 CONFIG_KALLSYMS=y
 # CONFIG_LEDS_ALIX is not set
+# CONFIG_LEDS_GPIO is not set
 # CONFIG_LEMOTE_FULONG is not set
 CONFIG_LZO_COMPRESS=m
 CONFIG_LZO_DECOMPRESS=m
@@ -200,6 +204,7 @@ CONFIG_SLABINFO=y
 # CONFIG_SPARSEMEM_STATIC is not set
 # CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
 CONFIG_SSB_POSSIBLE=y
+CONFIG_SWAP_IO_SPACE=y
 CONFIG_SYSVIPC_SYSCTL=y
 CONFIG_SYS_HAS_CPU_MIPS32_R1=y
 CONFIG_SYS_HAS_EARLY_PRINTK=y

diff --git a/target/linux/ifxmips/files/arch/mips/ifxmips/board.c b/target/linux/ifxmips/files/arch/mips/ifxmips/board.c
index bcbf117..d925cf2 100644 (file)
--- a/target/linux/ifxmips/files/arch/mips/ifxmips/board.c
+++ b/target/linux/ifxmips/files/arch/mips/ifxmips/board.c
@@ -35,7 +35,7 @@
 #include <asm/io.h>
 #include <asm/ifxmips/ifxmips.h>
 
-#define MAX_IFXMIPS_DEVS               5
+#define MAX_IFXMIPS_DEVS               6
 
 #define BOARD_DANUBE                   "Danube"
 #define BOARD_DANUBE_CHIPID            0x10129083
@@ -96,6 +96,26 @@ static struct platform_device ifxmips_mtd[] =
        },
 };
 
+#ifdef CONFIG_GPIO_DEVICE
+static struct resource ifxmips_gpio_dev_resources[] = {
+       {
+               .name = "gpio",
+               .flags  = 0,
+               .start = (1 << 0) | (1 << 1) | (1 << 2) | (1 << 3) | (1 << 4) | (1 << 5) | (1 << 8) | (1 << 9) | (1 << 12),
+               .end = (1 << 0) | (1 << 1) | (1 << 2) | (1 << 3) | (1 << 4) | (1 << 5) | (1 << 8) | (1 << 9) | (1 << 12),
+       },
+};
+
+static struct platform_device ifxmips_gpio_dev[] = {
+       {
+               .name     = "GPIODEV",
+               .id     = -1,
+               .num_resources    = ARRAY_SIZE(ifxmips_gpio_dev_resources),
+               .resource   = ifxmips_gpio_dev_resources,
+       }
+};
+#endif
+
 const char*
 get_system_type (void)
 {
@@ -119,18 +139,18 @@ int __init ifxmips_init_devices(void)
        *       Currently we support 3 chips
        *       1.) Danube
        *       2.) Twinpass (Danube without dsl phy)
-       *       3.) KDbg74 (used for debuging)
        */
 
        int dev = 0;
 
        /* the following devices are generic for all targets */
-
        ifxmips_devs[dev++] = ifxmips_led;
        ifxmips_devs[dev++] = ifxmips_gpio;
        ifxmips_devs[dev++] = ifxmips_mii;
        ifxmips_devs[dev++] = ifxmips_mtd;
-
+#ifdef CONFIG_GPIO_DEVICE
+       ifxmips_devs[dev++] = ifxmips_gpio_dev;
+#endif
        return platform_add_devices(ifxmips_devs, dev);
 }
 

diff --git a/target/linux/ifxmips/files/include/asm-mips/mach-ifxmips/gpio.h b/target/linux/ifxmips/files/include/asm-mips/mach-ifxmips/gpio.h
index 3083b88..18fd49e 100644 (file)
--- a/target/linux/ifxmips/files/include/asm-mips/mach-ifxmips/gpio.h
+++ b/target/linux/ifxmips/files/include/asm-mips/mach-ifxmips/gpio.h
@@ -24,6 +24,7 @@
 #define _IFXMIPS_GPIO_H_
 
 #include <asm/ifxmips/ifxmips.h>
+#include <asm/ifxmips/ifxmips_gpio.h>
 
 static inline int gpio_direction_input(unsigned gpio) {
        ifxmips_port_set_dir_in(0, gpio);