Index: target/linux/ar7/files/include/asm-mips/ar7/ar7.h
===================================================================
--- target/linux/ar7/files/include/asm-mips/ar7/ar7.h (revision 12608)
+++ target/linux/ar7/files/include/asm-mips/ar7/ar7.h (working copy)
@@ -58,10 +58,23 @@
 #define AR7_GPIO_OUTPUT0x4
 #define AR7_GPIO_DIR0x8
 #define AR7_GPIO_ENABLE0xc
+#define TITAN_GPIO_INPUT_00x0
+#define TITAN_GPIO_INPUT_10x4
+#define TITAN_GPIO_OUTPUT_00x8
+#define TITAN_GPIO_OUTPUT_10xc
+#define TITAN_GPIO_DIR_00x10
+#define TITAN_GPIO_DIR_10x14
+#define TITAN_GPIO_ENBL_00x18
+#define TITAN_GPIO_ENBL_10x1c
 
 #define AR7_CHIP_71000x18
 #define AR7_CHIP_72000x2b
 #define AR7_CHIP_73000x05
+#define AR7_CHIP_TITAN0x07
+#define TITAN_CHIP_10500x0f
+#define TITAN_CHIP_10550x0e
+#define TITAN_CHIP_10560x0d
+#define TITAN_CHIP_10600x07
 
 /* Interrupts */
 #define AR7_IRQ_UART015
Index: target/linux/ar7/files/include/asm-mips/ar7/gpio.h
===================================================================
--- target/linux/ar7/files/include/asm-mips/ar7/gpio.h (revision 12608)
+++ target/linux/ar7/files/include/asm-mips/ar7/gpio.h (working copy)
@@ -21,12 +21,13 @@
 #include <asm/ar7/ar7.h>
 
 #define AR7_GPIO_MAX 32
+#define TITAN_GPIO_MAX 51
 
 extern int gpio_request(unsigned gpio, const char *label);
 extern void gpio_free(unsigned gpio);
 
 /* Common GPIO layer */
-static inline int gpio_get_value(unsigned gpio)
+static inline int gpio_get_value_ar7(unsigned gpio)
 {
 void __iomem *gpio_in =
 (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_INPUT);
@@ -34,8 +35,24 @@
 return readl(gpio_in) & (1 << gpio);
 }
 
-static inline void gpio_set_value(unsigned gpio, int value)
+static inline int gpio_get_value_titan(unsigned gpio)
 {
+void __iomem *gpio_in0 =
+(void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_INPUT_0);
+void __iomem *gpio_in1 =
+(void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_INPUT_1);
+
+return readl(gpio >> 5 ? gpio_in1 : gpio_in0) & (1 << (gpio & 0x1f));
+}
+
+static inline int gpio_get_value(unsigned gpio)
+{
+return ar7_chip_id() == AR7_CHIP_TITAN ? gpio_get_value_titan(gpio) :
+gpio_get_value_ar7(gpio);
+}
+
+static inline void gpio_set_value_ar7(unsigned gpio, int value)
+{
 void __iomem *gpio_out =
 (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_OUTPUT);
 unsigned tmp;
@@ -46,8 +63,30 @@
 writel(tmp, gpio_out);
 }
 
-static inline int gpio_direction_input(unsigned gpio)
+static inline void gpio_set_value_titan(unsigned gpio, int value)
 {
+void __iomem *gpio_out0 =
+(void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_OUTPUT_0);
+void __iomem *gpio_out1 =
+(void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_OUTPUT_1);
+unsigned tmp;
+
+tmp = readl(gpio >> 5 ? gpio_out1 : gpio_out0) & ~(1 << (gpio & 0x1f));
+if (value)
+tmp |= 1 << (gpio & 0x1f);
+writel(tmp, gpio >> 5 ? gpio_out1 : gpio_out0);
+}
+
+static inline void gpio_set_value(unsigned gpio, int value)
+{
+if (ar7_chip_id() == AR7_CHIP_TITAN)
+gpio_set_value_titan(gpio, value);
+else
+gpio_set_value_ar7(gpio, value);
+}
+
+static inline int gpio_direction_input_ar7(unsigned gpio)
+{
 void __iomem *gpio_dir =
 (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_DIR);
 
@@ -59,8 +98,31 @@
 return 0;
 }
 
-static inline int gpio_direction_output(unsigned gpio, int value)
+static inline int gpio_direction_input_titan(unsigned gpio)
 {
+void __iomem *gpio_dir0 =
+(void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_DIR_0);
+void __iomem *gpio_dir1 =
+(void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_DIR_1);
+
+if (gpio >= TITAN_GPIO_MAX)
+return -EINVAL;
+
+writel(readl(gpio >> 5 ? gpio_dir1 : gpio_dir0) | (1 << (gpio & 0x1f)),
+gpio >> 5 ? gpio_dir1 : gpio_dir0);
+
+return 0;
+}
+
+static inline int gpio_direction_input(unsigned gpio)
+{
+return ar7_chip_id() == AR7_CHIP_TITAN ?
+gpio_direction_input_titan(gpio) :
+gpio_direction_input_ar7(gpio);
+}
+
+static inline int gpio_direction_output_ar7(unsigned gpio, int value)
+{
 void __iomem *gpio_dir =
 (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_DIR);
 
@@ -73,6 +135,30 @@
 return 0;
 }
 
+static inline int gpio_direction_output_titan(unsigned gpio, int value)
+{
+void __iomem *gpio_dir0 =
+(void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_DIR_0);
+void __iomem *gpio_dir1 =
+(void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_DIR_1);
+
+if (gpio >= TITAN_GPIO_MAX)
+return -EINVAL;
+
+gpio_set_value_titan(gpio, value);
+writel(readl(gpio >> 5 ? gpio_dir1 : gpio_dir0) & ~(1 <<
+(gpio & 0x1f)), gpio >> 5 ? gpio_dir1 : gpio_dir0);
+
+return 0;
+}
+
+static inline int gpio_direction_output(unsigned gpio, int value)
+{
+return ar7_chip_id() == AR7_CHIP_TITAN ?
+gpio_direction_output_titan(gpio, value) :
+gpio_direction_output_ar7(gpio, value);
+}
+
 static inline int gpio_to_irq(unsigned gpio)
 {
 return -EINVAL;
@@ -84,7 +170,7 @@
 }
 
 /* Board specific GPIO functions */
-static inline int ar7_gpio_enable(unsigned gpio)
+static inline int ar7_gpio_enable_ar7(unsigned gpio)
 {
 void __iomem *gpio_en =
 (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_ENABLE);
@@ -94,8 +180,27 @@
 return 0;
 }
 
-static inline int ar7_gpio_disable(unsigned gpio)
+static inline int ar7_gpio_enable_titan(unsigned gpio)
 {
+void __iomem *gpio_en0 =
+(void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_ENABLE_0);
+void __iomem *gpio_en1 =
+(void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_ENABLE_1);
+
+writel(readl(gpio >> 5 ? gpio_en1 : gpio_en0) | (1 << (gpio & 0x1f)),
+igpio >> 5 ? gpio_en1 : gpio_en0);
+
+return 0;
+}
+
+static inline int ar7_gpio_enable(unsigned gpio)
+{
+return ar7_chip_id() == AR7_CHIP_TITAN ? ar7_gpio_enable_titan(gpio) :
+ar7_gpio_enable_ar7(gpio);
+}
+
+static inline int ar7_gpio_disable_ar7(unsigned gpio)
+{
 void __iomem *gpio_en =
 (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_ENABLE);
 
@@ -104,6 +209,25 @@
 return 0;
 }
 
+static inline int ar7_gpio_disable_titan(unsigned gpio)
+{
+void __iomem *gpio_en0 =
+(void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_ENABLE_0);
+void __iomem *gpio_en1 =
+(void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + TITAN_GPIO_ENABLE_1);
+
+writel(readl(gpio >> 5 ? gpio_en1 : gpio_en0) & ~(1 << (gpio & 0x1f)),
+gpio >> 5 ? gpio_en1 : gpio_en0);
+
+return 0;
+}
+
+static inline int ar7_gpio_disable(unsigned gpio)
+{
+return ar7_chip_id() == AR7_CHIP_TITAN ? ar7_gpio_disable_titan(gpio) :
+ar7_gpio_disable_ar7(gpio);
+}
+
 #include <asm-generic/gpio.h>
 
 #endif
Index: target/linux/ar7/files/arch/mips/ar7/gpio.c
===================================================================
--- target/linux/ar7/files/arch/mips/ar7/gpio.c (revision 12608)
+++ target/linux/ar7/files/arch/mips/ar7/gpio.c (working copy)
@@ -21,11 +21,12 @@
 
 #include <asm/ar7/gpio.h>
 
-static const char *ar7_gpio_list[AR7_GPIO_MAX];
+static const char *ar7_gpio_list[TITAN_GPIO_MAX];
 
 int gpio_request(unsigned gpio, const char *label)
 {
-if (gpio >= AR7_GPIO_MAX)
+if (gpio >= (ar7_chip_id() == AR7_CHIP_TITAN ? TITAN_GPIO_MAX :
+AR7_GPIO_MAX))
 return -EINVAL;
 
 if (ar7_gpio_list[gpio])
Index: target/linux/ar7/files/arch/mips/ar7/setup.c
===================================================================
--- target/linux/ar7/files/arch/mips/ar7/setup.c (revision 12608)
+++ target/linux/ar7/files/arch/mips/ar7/setup.c (working copy)
@@ -62,6 +62,17 @@
 return "TI AR7 (TNETD7100)";
 case AR7_CHIP_7200:
 return "TI AR7 (TNETD7200)";
+case AR7_CHIP_TITAN:
+switch ((gpio_get_value_titan(1) >> 12) & 0xf) {
+case TITAN_CHIP_1050:
+return "TI AR7 (TNETV1050)";
+case TITAN_CHIP_1055:
+return "TI AR7 (TNETV1055)";
+case TITAN_CHIP_1056:
+return "TI AR7 (TNETV1056)";
+case TITAN_CHIP_1060:
+return "TI AR7 (TNETV1060)";
+}
 default:
 return "TI AR7 (Unknown)";
 }
Index: target/linux/ar7/files/drivers/char/ar7_gpio.c
===================================================================
--- target/linux/ar7/files/drivers/char/ar7_gpio.c (revision 12608)
+++ target/linux/ar7/files/drivers/char/ar7_gpio.c (working copy)
@@ -98,7 +98,8 @@
 {
 int m = iminor(inode);
 
-if (m >= AR7_GPIO_MAX)
+if (m >= (ar7_chip_id() == AR7_CHIP_TITAN ? TITAN_GPIO_MAX :
+AR7_GPIO_MAX))
 return -EINVAL;
 
 return nonseekable_open(inode, file);