Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=920fe7a8d0aba9782d1f924a02ece146acbf6686
Commit: 920fe7a8d0aba9782d1f924a02ece146acbf6686
Parent: 8a898f1c366c858f8dbcb667c1cfcc282b727795
Author: Philipp Zabel <[EMAIL PROTECTED]>
AuthorDate: Mon Feb 12 00:53:14 2007 -0800
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Mon Feb 12 09:48:34 2007 -0800
[PATCH] SA1100 GPIO wrappers
Arch-neutral GPIO calls for SA-1100.
Signed-off-by: David Brownell <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
include/asm-arm/arch-sa1100/gpio.h | 81 ++++++++++++++++++++++++++++++++++++
1 files changed, 81 insertions(+), 0 deletions(-)
diff --git a/include/asm-arm/arch-sa1100/gpio.h
b/include/asm-arm/arch-sa1100/gpio.h
new file mode 100644
index 0000000..a331fe3
--- /dev/null
+++ b/include/asm-arm/arch-sa1100/gpio.h
@@ -0,0 +1,81 @@
+/*
+ * linux/include/asm-arm/arch-pxa/gpio.h
+ *
+ * SA1100 GPIO wrappers for arch-neutral GPIO calls
+ *
+ * Written by Philipp Zabel <[EMAIL PROTECTED]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#ifndef __ASM_ARCH_SA1100_GPIO_H
+#define __ASM_ARCH_SA1100_GPIO_H
+
+#include <asm/arch/SA-1100.h>
+#include <asm/arch/irqs.h>
+#include <asm/arch/hardware.h>
+
+#include <asm/errno.h>
+
+static inline int gpio_request(unsigned gpio, const char *label)
+{
+ return 0;
+}
+
+static inline void gpio_free(unsigned gpio)
+{
+ return;
+}
+
+static inline int gpio_direction_input(unsigned gpio)
+{
+ if (gpio > GPIO_MAX)
+ return -EINVAL;
+ GPDR = (GPDR_In << gpio) 0
+}
+
+static inline int gpio_direction_output(unsigned gpio)
+{
+ if (gpio > GPIO_MAX)
+ return -EINVAL;
+ GPDR = (GPDR_Out << gpio) 0
+}
+
+#define gpio_get_value(gpio) \
+ (GPLR & GPIO_GPIO(gpio))
+
+#define gpio_set_value(gpio,value) \
+ ((value) ? (GPSR = GPIO_GPIO(gpio)) : (GPCR(gpio) = GPIO_GPIO(gpio)))
+
+#include <asm-generic/gpio.h> /* cansleep wrappers */
+
+static inline unsigned gpio_to_irq(unsigned gpio)
+{
+ if (gpio < 11)
+ return IRQ_GPIO0 + gpio;
+ else
+ return IRQ_GPIO11 - 11 + gpio;
+}
+
+static inline unsigned irq_to_gpio(unsigned irq)
+{
+ if (irq < IRQ_GPIO11_27)
+ return irq - IRQ_GPIO0;
+ else
+ return irq - IRQ_GPIO11 + 11;
+}
+
+#endif
-
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