4 files changed, 102 insertions, 0 deletions

diff --git a/arch/blackfin/mach-bf527/boards/ezkit.c b/arch/blackfin/mach-bf527/boards/ezkit.c
index 04a8d6da9055..8ee2b744e234 100644
--- a/arch/blackfin/mach-bf527/boards/ezkit.c
+++ b/arch/blackfin/mach-bf527/boards/ezkit.c
@@ -853,6 +853,38 @@ static struct platform_device bfin_device_gpiokeys = {
 };
 #endif
 
+#if defined(CONFIG_JOYSTICK_BFIN_ROTARY) || defined(CONFIG_JOYSTICK_BFIN_ROTARY_MODULE)
+#include <linux/input.h>
+#include <asm/bfin_rotary.h>
+
+static struct bfin_rotary_platform_data bfin_rotary_data = {
+        /*.rotary_up_key     = KEY_UP,*/
+        /*.rotary_down_key   = KEY_DOWN,*/
+        .rotary_rel_code   = REL_WHEEL,
+        .rotary_button_key = KEY_ENTER,
+        .debounce          = 10,        /* 0..17 */
+        .mode              = ROT_QUAD_ENC | ROT_DEBE,
+};
+
+static struct resource bfin_rotary_resources[] = {
+        {
+                .start = IRQ_CNT,
+                .end = IRQ_CNT,
+                .flags = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device bfin_rotary_device = {
+        .name           = "bfin-rotary",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(bfin_rotary_resources),
+        .resource       = bfin_rotary_resources,
+        .dev            = {
+                .platform_data = &bfin_rotary_data,
+        },
+};
+#endif
+
 static struct resource bfin_gpios_resources = {
         .start = 0,
         .end   = MAX_BLACKFIN_GPIOS - 1,
@@ -969,6 +1001,10 @@ static struct platform_device *stamp_devices[] __initdata = {
         &bfin_device_gpiokeys,
 #endif
 
+#if defined(CONFIG_JOYSTICK_BFIN_ROTARY) || defined(CONFIG_JOYSTICK_BFIN_ROTARY_MODULE)
+        &bfin_rotary_device,
+#endif
+
 #if defined(CONFIG_MTD_PHYSMAP) || defined(CONFIG_MTD_PHYSMAP_MODULE)
         &ezkit_flash_device,
 #endif
diff --git a/arch/blackfin/mach-bf527/include/mach/defBF52x_base.h b/arch/blackfin/mach-bf527/include/mach/defBF52x_base.h
index 6ac2ed7026eb..68b55d03fedf 100644
--- a/arch/blackfin/mach-bf527/include/mach/defBF52x_base.h
+++ b/arch/blackfin/mach-bf527/include/mach/defBF52x_base.h
@@ -1840,6 +1840,33 @@
 
 #define                 DPRESCALE  0xf        /* Load Counter Register */
 
+/* CNT_COMMAND bit field options */
+
+#define W1LCNT_ZERO   0x0001   /* write 1 to load CNT_COUNTER with zero */
+#define W1LCNT_MIN    0x0004   /* write 1 to load CNT_COUNTER from CNT_MIN */
+#define W1LCNT_MAX    0x0008   /* write 1 to load CNT_COUNTER from CNT_MAX */
+
+#define W1LMIN_ZERO   0x0010   /* write 1 to load CNT_MIN with zero */
+#define W1LMIN_CNT    0x0020   /* write 1 to load CNT_MIN from CNT_COUNTER */
+#define W1LMIN_MAX    0x0080   /* write 1 to load CNT_MIN from CNT_MAX */
+
+#define W1LMAX_ZERO   0x0100   /* write 1 to load CNT_MAX with zero */
+#define W1LMAX_CNT    0x0200   /* write 1 to load CNT_MAX from CNT_COUNTER */
+#define W1LMAX_MIN    0x0400   /* write 1 to load CNT_MAX from CNT_MIN */
+
+/* CNT_CONFIG bit field options */
+
+#define CNTMODE_QUADENC  0x0000  /* quadrature encoder mode */
+#define CNTMODE_BINENC   0x0100  /* binary encoder mode */
+#define CNTMODE_UDCNT    0x0200  /* up/down counter mode */
+#define CNTMODE_DIRCNT   0x0400  /* direction counter mode */
+#define CNTMODE_DIRTMR   0x0500  /* direction timer mode */
+
+#define BNDMODE_COMP     0x0000  /* boundary compare mode */
+#define BNDMODE_ZERO     0x1000  /* boundary compare and zero mode */
+#define BNDMODE_CAPT     0x2000  /* boundary capture mode */
+#define BNDMODE_AEXT     0x3000  /* boundary auto-extend mode */
+
 /* Bit masks for OTP_CONTROL */
 
 #define                FUSE_FADDR  0x1ff      /* OTP/Fuse Address */
diff --git a/arch/blackfin/mach-bf527/include/mach/portmux.h b/arch/blackfin/mach-bf527/include/mach/portmux.h
index ae4d205bfcf5..7f6da2c386bb 100644
--- a/arch/blackfin/mach-bf527/include/mach/portmux.h
+++ b/arch/blackfin/mach-bf527/include/mach/portmux.h
@@ -67,6 +67,10 @@
 #define P_UART1_RX      (P_DEFINED | P_IDENT(GPIO_PG13) | P_FUNCT(1))
 #endif
 
+#define P_CNT_CZM       (P_DEFINED | P_IDENT(GPIO_PF11) | P_FUNCT(3))
+#define P_CNT_CDG       (P_DEFINED | P_IDENT(GPIO_PF12) | P_FUNCT(3))
+#define P_CNT_CUD       (P_DEFINED | P_IDENT(GPIO_PF13) | P_FUNCT(3))
+
 #define P_HWAIT         (P_DONTCARE)
 
 #define P_SPI0_SS       (P_DEFINED | P_IDENT(GPIO_PG1) | P_FUNCT(0))
diff --git a/arch/blackfin/mach-bf548/boards/ezkit.c b/arch/blackfin/mach-bf548/boards/ezkit.c
index 397ddf6b8106..7c08b9f1838a 100644
--- a/arch/blackfin/mach-bf548/boards/ezkit.c
+++ b/arch/blackfin/mach-bf548/boards/ezkit.c
@@ -183,6 +183,37 @@ static struct platform_device bf54x_kpad_device = {
 };
 #endif
 
+#if defined(CONFIG_JOYSTICK_BFIN_ROTARY) || defined(CONFIG_JOYSTICK_BFIN_ROTARY_MODULE)
+#include <asm/bfin_rotary.h>
+
+static struct bfin_rotary_platform_data bfin_rotary_data = {
+        /*.rotary_up_key     = KEY_UP,*/
+        /*.rotary_down_key   = KEY_DOWN,*/
+        .rotary_rel_code   = REL_WHEEL,
+        .rotary_button_key = KEY_ENTER,
+        .debounce          = 10,        /* 0..17 */
+        .mode              = ROT_QUAD_ENC | ROT_DEBE,
+};
+
+static struct resource bfin_rotary_resources[] = {
+        {
+                .start = IRQ_CNT,
+                .end = IRQ_CNT,
+                .flags = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device bfin_rotary_device = {
+        .name           = "bfin-rotary",
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(bfin_rotary_resources),
+        .resource       = bfin_rotary_resources,
+        .dev            = {
+                .platform_data = &bfin_rotary_data,
+        },
+};
+#endif
+
 #if defined(CONFIG_RTC_DRV_BFIN) || defined(CONFIG_RTC_DRV_BFIN_MODULE)
 static struct platform_device rtc_device = {
         .name = "rtc-bfin",
@@ -817,6 +848,10 @@ static struct platform_device *ezkit_devices[] __initdata = {
         &bf54x_kpad_device,
 #endif
 
+#if defined(CONFIG_JOYSTICK_BFIN_ROTARY) || defined(CONFIG_JOYSTICK_BFIN_ROTARY_MODULE)
+        &bfin_rotary_device,
+#endif
+
 #if defined(CONFIG_I2C_BLACKFIN_TWI) || defined(CONFIG_I2C_BLACKFIN_TWI_MODULE)
         &i2c_bfin_twi0_device,
 #if !defined(CONFIG_BF542)