From b3331b3d034e64d6ad70b61c3f3819cb5029033d Mon Sep 17 00:00:00 2001
From: John Crispin <john@openwrt.org>
Date: Sun, 8 Jun 2008 08:07:14 +0000
Subject: adds gpiodev support to ifxmips

SVN-Revision: 11405
---
 target/linux/ifxmips/config-2.6.25                 |  5 ++++
 .../linux/ifxmips/files/arch/mips/ifxmips/board.c  | 28 ++++++++++++++++++----
 .../files/include/asm-mips/mach-ifxmips/gpio.h     |  1 +
 3 files changed, 30 insertions(+), 4 deletions(-)

(limited to 'target/linux/ifxmips')

diff --git a/target/linux/ifxmips/config-2.6.25 b/target/linux/ifxmips/config-2.6.25
index 4299aef..342fa11 100644
--- 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
--- 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
--- 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);
-- 
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