1 files changed, 109 insertions, 0 deletions
diff --git a/include/soc/sprd/gpio.h b/include/soc/sprd/gpio.h
new file mode 100755
index 00000000..6a85491c
--- /dev/null
+++ b/include/soc/sprd/gpio.h
@@ -0,0 +1,109 @@
+/*
+ * Copyright (C) 2012 Spreadtrum Communications Inc.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * 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.
+ */
+
+#ifndef __ASM_ARM_ARCH_GPIO_H
+#define __ASM_ARM_ARCH_GPIO_H
+
+/*
+ * SC8825 GPIO&EIC bank and number summary:
+ *
+ * Bank	  From	  To	NR	Type
+ * 1	  0   ~	  15		16	EIC
+ * 2	  16  ~	  271	256	GPIO
+ * 3	  272 ~	  287	16	ANA EIC
+ * 4	  288 ~	  319	32	ANA GPIO
+ */
+
+#ifdef CONFIG_ARCH_SCX35
+#define	D_GPIO_START	0
+#define	D_GPIO_NR		256
+
+#define	A_GPIO_START	( D_GPIO_START + D_GPIO_NR )
+#if defined(CONFIG_ARCH_SCX15)
+#define	A_GPIO_NR		0
+#else
+#define	A_GPIO_NR		32
+#endif
+
+#define	D_EIC_START		( A_GPIO_START + A_GPIO_NR)
+#define	D_EIC_NR		16
+
+#define	A_EIC_START		( D_EIC_START + D_EIC_NR )
+#define	A_EIC_NR		16
+#else
+#define	D_EIC_START		0
+#define	D_EIC_NR		16
+
+#define	D_GPIO_START	( D_EIC_START + D_EIC_NR )
+#define	D_GPIO_NR		256
+
+#define	A_EIC_START		( D_GPIO_START + D_GPIO_NR )
+#define	A_EIC_NR		16
+
+#define	A_GPIO_START	( A_EIC_START + A_EIC_NR )
+#define	A_GPIO_NR		32
+#endif
+
+#define ARCH_NR_GPIOS	( D_EIC_NR + D_GPIO_NR + A_EIC_NR + A_GPIO_NR )
+
+#ifdef CONFIG_64BIT
+#include <asm-generic/gpio.h>
+#include <soc/sprd/irqs.h>
+#else
+#include <asm-generic/gpio.h>
+#include <mach/irqs.h>
+#endif
+
+#define gpio_get_value  __gpio_get_value
+#define gpio_set_value  __gpio_set_value
+#define gpio_cansleep   __gpio_cansleep
+#define gpio_to_irq     __gpio_to_irq
+
+
+/* Digital GPIO/EIC base address */
+#define CTL_GPIO_BASE          (SPRD_GPIO_BASE)
+#define CTL_EIC_BASE           (SPRD_EIC_BASE)
+
+/* Analog GPIO/EIC base address */
+
+#if defined(CONFIG_ARCH_SCX35)
+#define ANA_CTL_EIC_BASE	   (ANA_EIC_BASE)
+#define ANA_CTL_GPIO_BASE      (ANA_GPIO_INT_BASE)
+#else
+#define ANA_CTL_EIC_BASE       (SPRD_MISC_BASE + 0x0100)
+#define ANA_CTL_GPIO_BASE      (SPRD_MISC_BASE + 0x0480)
+#endif
+
+
+enum {
+       ENUM_ID_D_GPIO = 0,
+       ENUM_ID_D_EIC,
+       ENUM_ID_A_GPIO,
+       ENUM_ID_A_EIC,
+
+       ENUM_ID_END_NR,
+};
+
+struct eic_gpio_resource {
+       int irq;
+       int base_addr;
+       int chip_base;
+       int chip_ngpio;
+};
+
+static inline int irq_to_gpio(int irq)
+{
+	return irq - GPIO_IRQ_START;
+}
+
+#endif