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authorjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2011-03-27 19:19:57 +0000
committerjuhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73>2011-03-27 19:19:57 +0000
commit5045f0c4dada84278362a62d9ce4187467487422 (patch)
treebceb63da482ac47cb5a1d92a9b13af6c4faf2c66 /target/linux/ramips/files/arch/mips/include
parent8e5950efc511109ddec21ade83a11461e98a5088 (diff)
ramips: move GPIO definitions into a separate header file
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26325 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/ramips/files/arch/mips/include')
-rw-r--r--target/linux/ramips/files/arch/mips/include/asm/mach-ralink/common.h1
-rw-r--r--target/linux/ramips/files/arch/mips/include/asm/mach-ralink/ramips_gpio.h48
2 files changed, 48 insertions, 1 deletions
diff --git a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/common.h b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/common.h
index 8f058c88c..939062b49 100644
--- a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/common.h
+++ b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/common.h
@@ -16,7 +16,6 @@ void ramips_intc_irq_init(unsigned intc_base, unsigned irq, unsigned irq_base);
u32 ramips_intc_get_status(void);
void ramips_soc_setup(void);
-void ramips_gpio_init(void);
void ramips_early_serial_setup(int line, unsigned base, unsigned freq,
unsigned irq);
diff --git a/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/ramips_gpio.h b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/ramips_gpio.h
new file mode 100644
index 000000000..32fc7a740
--- /dev/null
+++ b/target/linux/ramips/files/arch/mips/include/asm/mach-ralink/ramips_gpio.h
@@ -0,0 +1,48 @@
+/*
+ * Ralink SoC specific GPIO support
+ *
+ * Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
+ *
+ * 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.
+ */
+
+#ifndef _RAMIPS_GPIO_H
+#define _RAMIPS_GPIO_H
+
+#include <linux/gpio.h>
+#include <linux/spinlock.h>
+
+enum ramips_gpio_reg {
+ RAMIPS_GPIO_REG_INT = 0, /* Interrupt status */
+ RAMIPS_GPIO_REG_EDGE,
+ RAMIPS_GPIO_REG_RENA,
+ RAMIPS_GPIO_REG_FENA,
+ RAMIPS_GPIO_REG_DATA,
+ RAMIPS_GPIO_REG_DIR, /* Direction, 0:in, 1: out */
+ RAMIPS_GPIO_REG_POL, /* Polarity, 0: normal, 1: invert */
+ RAMIPS_GPIO_REG_SET,
+ RAMIPS_GPIO_REG_RESET,
+ RAMIPS_GPIO_REG_TOGGLE,
+ RAMIPS_GPIO_REG_MAX
+};
+
+struct ramips_gpio_chip {
+ struct gpio_chip chip;
+ unsigned long map_base;
+ unsigned long map_size;
+ u8 regs[RAMIPS_GPIO_REG_MAX];
+
+ spinlock_t lock;
+ void __iomem *regs_base;
+};
+
+struct ramips_gpio_data {
+ unsigned int num_chips;
+ struct ramips_gpio_chip *chips;
+};
+
+int ramips_gpio_init(struct ramips_gpio_data *data);
+
+#endif /* _RAMIPS_GPIO_H */