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authorRichard Purdie <rpurdie@net.rmk.(none)>2005-01-10 22:07:21 +0000
committerRussell King <rmk@flint.arm.linux.org.uk>2005-01-10 22:07:21 +0000
commit530f8ae2d9852c73afbe2ec5e989c40d1d89214d (patch)
tree3576d6bdc5b78c6c37787a9956afa5f613cd6e88 /include
parente911b333ab9ec0b637b8656d7ca57267a5601df1 (diff)
[ARM PATCH] 2370/1: Add common Sharp SCOOP driver code
Patch from Richard Purdie Add common driver code for the SCOOP I/O interface found on various Sharp PDAs (Collie, Poodle and Corgi models). It will be used by both SA1100 and PXA machines. [A patch to update Collie to use this driver will follow.] Signed-off-by: Richard Purdie Signed-off-by: Russell King
Diffstat (limited to 'include')
-rw-r--r--include/asm-arm/hardware/scoop.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/include/asm-arm/hardware/scoop.h b/include/asm-arm/hardware/scoop.h
new file mode 100644
index 000000000000..669b7df6e570
--- /dev/null
+++ b/include/asm-arm/hardware/scoop.h
@@ -0,0 +1,47 @@
+/*
+ * Definitions for the SCOOP interface found on various Sharp PDAs
+ *
+ * Copyright (c) 2004 Richard Purdie
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#define SCOOP_MCR 0x00
+#define SCOOP_CDR 0x04
+#define SCOOP_CSR 0x08
+#define SCOOP_CPR 0x0C
+#define SCOOP_CCR 0x10
+#define SCOOP_IRR 0x14
+#define SCOOP_IRM 0x14
+#define SCOOP_IMR 0x18
+#define SCOOP_ISR 0x1C
+#define SCOOP_GPCR 0x20
+#define SCOOP_GPWR 0x24
+#define SCOOP_GPRR 0x28
+
+#define SCOOP_GPCR_PA22 ( 1 << 12 )
+#define SCOOP_GPCR_PA21 ( 1 << 11 )
+#define SCOOP_GPCR_PA20 ( 1 << 10 )
+#define SCOOP_GPCR_PA19 ( 1 << 9 )
+#define SCOOP_GPCR_PA18 ( 1 << 8 )
+#define SCOOP_GPCR_PA17 ( 1 << 7 )
+#define SCOOP_GPCR_PA16 ( 1 << 6 )
+#define SCOOP_GPCR_PA15 ( 1 << 5 )
+#define SCOOP_GPCR_PA14 ( 1 << 4 )
+#define SCOOP_GPCR_PA13 ( 1 << 3 )
+#define SCOOP_GPCR_PA12 ( 1 << 2 )
+#define SCOOP_GPCR_PA11 ( 1 << 1 )
+
+struct scoop_config {
+ unsigned short io_out;
+ unsigned short io_dir;
+};
+
+void reset_scoop(void);
+unsigned short set_scoop_gpio(unsigned short bit);
+unsigned short reset_scoop_gpio(unsigned short bit);
+unsigned short read_scoop_reg(unsigned short reg);
+void write_scoop_reg(unsigned short reg, unsigned short data);