1 files changed, 139 insertions, 0 deletions

diff --git a/include/asm-arm/arch-pnx4008/gpio.h b/include/asm-arm/arch-pnx4008/gpio.h
new file mode 100644
index 000000000000..1fa5a77c3010
--- /dev/null
+++ b/include/asm-arm/arch-pnx4008/gpio.h
@@ -0,0 +1,139 @@
+/*
+ * include/asm-arm/arch-pnx4008/gpio.h
+ *
+ * PNX4008 GPIO driver - header file
+ *
+ * Author: Dmitry Chigirev <source@mvista.com>
+ *
+ * Based on reference code by Iwo Mergler and Z.Tabaaloute from Philips:
+ * Copyright (c) 2005 Koninklijke Philips Electronics N.V.
+ *
+ * 2005 (c) MontaVista Software, Inc. This file is licensed under
+ * the terms of the GNU General Public License version 2. This program
+ * is licensed "as is" without any warranty of any kind, whether express
+ * or implied.
+ */
+
+#ifndef _PNX4008_GPIO_H_
+#define _PNX4008_GPIO_H_
+
+
+/* Block numbers */
+#define GPIO_IN         (0)
+#define GPIO_OUT                (0x100)
+#define GPIO_BID                (0x200)
+#define GPIO_RAM                (0x300)
+#define GPIO_MUX                (0x400)
+
+#define GPIO_TYPE_MASK(K) ((K) & 0x700)
+
+/* INPUT GPIOs */
+/* GPI */
+#define GPI_00          (GPIO_IN | 0)
+#define GPI_01          (GPIO_IN | 1)
+#define GPI_02          (GPIO_IN | 2)
+#define GPI_03          (GPIO_IN | 3)
+#define GPI_04          (GPIO_IN | 4)
+#define GPI_05          (GPIO_IN | 5)
+#define GPI_06          (GPIO_IN | 6)
+#define GPI_07          (GPIO_IN | 7)
+#define GPI_08          (GPIO_IN | 8)
+#define GPI_09          (GPIO_IN | 9)
+#define U1_RX           (GPIO_IN | 15)
+#define U2_HTCS         (GPIO_IN | 16)
+#define U2_RX           (GPIO_IN | 17)
+#define U3_RX           (GPIO_IN | 18)
+#define U4_RX           (GPIO_IN | 19)
+#define U5_RX           (GPIO_IN | 20)
+#define U6_IRRX         (GPIO_IN | 21)
+#define U7_HCTS         (GPIO_IN | 22)
+#define U7_RX           (GPIO_IN | 23)
+/* MISC IN */
+#define SPI1_DATIN      (GPIO_IN | 25)
+#define DISP_SYNC       (GPIO_IN | 26)
+#define SPI2_DATIN      (GPIO_IN | 27)
+#define GPI_11          (GPIO_IN | 28)
+
+#define GPIO_IN_MASK   0x1eff83ff
+
+/* OUTPUT GPIOs */
+/* GPO */
+#define GPO_00          (GPIO_OUT | 0)
+#define GPO_01          (GPIO_OUT | 1)
+#define GPO_02          (GPIO_OUT | 2)
+#define GPO_03          (GPIO_OUT | 3)
+#define GPO_04          (GPIO_OUT | 4)
+#define GPO_05          (GPIO_OUT | 5)
+#define GPO_06          (GPIO_OUT | 6)
+#define GPO_07          (GPIO_OUT | 7)
+#define GPO_08          (GPIO_OUT | 8)
+#define GPO_09          (GPIO_OUT | 9)
+#define GPO_10          (GPIO_OUT | 10)
+#define GPO_11          (GPIO_OUT | 11)
+#define GPO_12          (GPIO_OUT | 12)
+#define GPO_13          (GPIO_OUT | 13)
+#define GPO_14          (GPIO_OUT | 14)
+#define GPO_15          (GPIO_OUT | 15)
+#define GPO_16          (GPIO_OUT | 16)
+#define GPO_17          (GPIO_OUT | 17)
+#define GPO_18          (GPIO_OUT | 18)
+#define GPO_19          (GPIO_OUT | 19)
+#define GPO_20          (GPIO_OUT | 20)
+#define GPO_21          (GPIO_OUT | 21)
+#define GPO_22          (GPIO_OUT | 22)
+#define GPO_23          (GPIO_OUT | 23)
+
+#define GPIO_OUT_MASK   0xffffff
+
+/* BIDIRECTIONAL GPIOs */
+/* RAM pins */
+#define RAM_D19         (GPIO_RAM | 0)
+#define RAM_D20         (GPIO_RAM | 1)
+#define RAM_D21         (GPIO_RAM | 2)
+#define RAM_D22         (GPIO_RAM | 3)
+#define RAM_D23         (GPIO_RAM | 4)
+#define RAM_D24         (GPIO_RAM | 5)
+#define RAM_D25         (GPIO_RAM | 6)
+#define RAM_D26         (GPIO_RAM | 7)
+#define RAM_D27         (GPIO_RAM | 8)
+#define RAM_D28         (GPIO_RAM | 9)
+#define RAM_D29         (GPIO_RAM | 10)
+#define RAM_D30         (GPIO_RAM | 11)
+#define RAM_D31         (GPIO_RAM | 12)
+
+#define GPIO_RAM_MASK   0x1fff
+
+/* I/O pins */
+#define GPIO_00         (GPIO_BID | 25)
+#define GPIO_01         (GPIO_BID | 26)
+#define GPIO_02         (GPIO_BID | 27)
+#define GPIO_03         (GPIO_BID | 28)
+#define GPIO_04         (GPIO_BID | 29)
+#define GPIO_05         (GPIO_BID | 30)
+
+#define GPIO_BID_MASK   0x7e000000
+
+/* Non-GPIO multiplexed PIOs. For multiplexing with GPIO, please use GPIO macros */
+#define GPIO_SDRAM_SEL  (GPIO_MUX | 3)
+
+#define GPIO_MUX_MASK   0x8
+
+/* Extraction/assembly macros */
+#define GPIO_BIT_MASK(K) ((K) & 0x1F)
+#define GPIO_BIT(K) (1 << GPIO_BIT_MASK(K))
+#define GPIO_ISMUX(K) ((GPIO_TYPE_MASK(K) == GPIO_MUX) && (GPIO_BIT(K) & GPIO_MUX_MASK))
+#define GPIO_ISRAM(K) ((GPIO_TYPE_MASK(K) == GPIO_RAM) && (GPIO_BIT(K) & GPIO_RAM_MASK))
+#define GPIO_ISBID(K) ((GPIO_TYPE_MASK(K) == GPIO_BID) && (GPIO_BIT(K) & GPIO_BID_MASK))
+#define GPIO_ISOUT(K) ((GPIO_TYPE_MASK(K) == GPIO_OUT) && (GPIO_BIT(K) & GPIO_OUT_MASK))
+#define GPIO_ISIN(K)  ((GPIO_TYPE_MASK(K) == GPIO_IN) && (GPIO_BIT(K) & GPIO_IN_MASK))
+
+extern int pnx4008_gpio_register_pin(unsigned short pin);
+extern int pnx4008_gpio_unregister_pin(unsigned short pin);
+extern unsigned long pnx4008_gpio_read_pin(unsigned short pin);
+extern int pnx4008_gpio_write_pin(unsigned short pin, int output);
+extern int pnx4008_gpio_set_pin_direction(unsigned short pin, int output);
+extern int pnx4008_gpio_read_pin_direction(unsigned short pin);
+extern int pnx4008_gpio_set_pin_mux(unsigned short pin, int output);
+extern int pnx4008_gpio_read_pin_mux(unsigned short pin);
+
+#endif                          /* _PNX4008_GPIO_H_ */