| /* |
| * |
| * arch/arm/mach-u300/include/mach/gpio.h |
| * |
| * |
| * Copyright (C) 2007-2009 ST-Ericsson AB |
| * License terms: GNU General Public License (GPL) version 2 |
| * GPIO block resgister definitions and inline macros for |
| * U300 GPIO COH 901 335 or COH 901 571/3 |
| * Author: Linus Walleij <linus.walleij@stericsson.com> |
| */ |
| |
| #ifndef __MACH_U300_GPIO_H |
| #define __MACH_U300_GPIO_H |
| |
| #include <linux/kernel.h> |
| #include <linux/io.h> |
| #include <mach/hardware.h> |
| #include <asm/irq.h> |
| |
| /* Switch type depending on platform/chip variant */ |
| #if defined(CONFIG_MACH_U300_BS2X) || defined(CONFIG_MACH_U300_BS330) |
| #define U300_COH901335 |
| #endif |
| #if defined(CONFIG_MACH_U300_BS365) || defined(CONFIG_MACH_U300_BS335) |
| #define U300_COH901571_3 |
| #endif |
| |
| /* Get base address for regs here */ |
| #include "u300-regs.h" |
| /* IRQ numbers */ |
| #include "irqs.h" |
| |
| /* |
| * This is the GPIO block definitions. GPIO (General Purpose I/O) can be |
| * used for anything, and often is. The event/enable etc figures are for |
| * the lowermost pin (pin 0 on each port), shift this left to match your |
| * pin if you're gonna use these values. |
| */ |
| #ifdef U300_COH901335 |
| #define U300_GPIO_PORTX_SPACING (0x1C) |
| /* Port X Pin Data Register 32bit, this is both input and output (R/W) */ |
| #define U300_GPIO_PXPDIR (0x00) |
| #define U300_GPIO_PXPDOR (0x00) |
| /* Port X Pin Config Register 32bit (R/W) */ |
| #define U300_GPIO_PXPCR (0x04) |
| #define U300_GPIO_PXPCR_ALL_PINS_MODE_MASK (0x0000FFFFUL) |
| #define U300_GPIO_PXPCR_PIN_MODE_MASK (0x00000003UL) |
| #define U300_GPIO_PXPCR_PIN_MODE_SHIFT (0x00000002UL) |
| #define U300_GPIO_PXPCR_PIN_MODE_INPUT (0x00000000UL) |
| #define U300_GPIO_PXPCR_PIN_MODE_OUTPUT_PUSH_PULL (0x00000001UL) |
| #define U300_GPIO_PXPCR_PIN_MODE_OUTPUT_OPEN_DRAIN (0x00000002UL) |
| #define U300_GPIO_PXPCR_PIN_MODE_OUTPUT_OPEN_SOURCE (0x00000003UL) |
| /* Port X Interrupt Event Register 32bit (R/W) */ |
| #define U300_GPIO_PXIEV (0x08) |
| #define U300_GPIO_PXIEV_ALL_IRQ_EVENT_MASK (0x000000FFUL) |
| #define U300_GPIO_PXIEV_IRQ_EVENT (0x00000001UL) |
| /* Port X Interrupt Enable Register 32bit (R/W) */ |
| #define U300_GPIO_PXIEN (0x0C) |
| #define U300_GPIO_PXIEN_ALL_IRQ_ENABLE_MASK (0x000000FFUL) |
| #define U300_GPIO_PXIEN_IRQ_ENABLE (0x00000001UL) |
| /* Port X Interrupt Force Register 32bit (R/W) */ |
| #define U300_GPIO_PXIFR (0x10) |
| #define U300_GPIO_PXIFR_ALL_IRQ_FORCE_MASK (0x000000FFUL) |
| #define U300_GPIO_PXIFR_IRQ_FORCE (0x00000001UL) |
| /* Port X Interrupt Config Register 32bit (R/W) */ |
| #define U300_GPIO_PXICR (0x14) |
| #define U300_GPIO_PXICR_ALL_IRQ_CONFIG_MASK (0x000000FFUL) |
| #define U300_GPIO_PXICR_IRQ_CONFIG_MASK (0x00000001UL) |
| #define U300_GPIO_PXICR_IRQ_CONFIG_FALLING_EDGE (0x00000000UL) |
| #define U300_GPIO_PXICR_IRQ_CONFIG_RISING_EDGE (0x00000001UL) |
| /* Port X Pull-up Enable Register 32bit (R/W) */ |
| #define U300_GPIO_PXPER (0x18) |
| #define U300_GPIO_PXPER_ALL_PULL_UP_DISABLE_MASK (0x000000FFUL) |
| #define U300_GPIO_PXPER_PULL_UP_DISABLE (0x00000001UL) |
| /* Control Register 32bit (R/W) */ |
| #define U300_GPIO_CR (0x54) |
| #define U300_GPIO_CR_BLOCK_CLOCK_ENABLE (0x00000001UL) |
| /* three ports of 8 bits each = GPIO pins 0..23 */ |
| #define U300_GPIO_NUM_PORTS 3 |
| #define U300_GPIO_PINS_PER_PORT 8 |
| #define U300_GPIO_MAX (U300_GPIO_PINS_PER_PORT * U300_GPIO_NUM_PORTS - 1) |
| #endif |
| |
| #ifdef U300_COH901571_3 |
| /* |
| * Control Register 32bit (R/W) |
| * bit 15-9 (mask 0x0000FE00) contains the number of cores. 8*cores |
| * gives the number of GPIO pins. |
| * bit 8-2 (mask 0x000001FC) contains the core version ID. |
| */ |
| #define U300_GPIO_CR (0x00) |
| #define U300_GPIO_CR_SYNC_SEL_ENABLE (0x00000002UL) |
| #define U300_GPIO_CR_BLOCK_CLKRQ_ENABLE (0x00000001UL) |
| #define U300_GPIO_PORTX_SPACING (0x30) |
| /* Port X Pin Data INPUT Register 32bit (R/W) */ |
| #define U300_GPIO_PXPDIR (0x04) |
| /* Port X Pin Data OUTPUT Register 32bit (R/W) */ |
| #define U300_GPIO_PXPDOR (0x08) |
| /* Port X Pin Config Register 32bit (R/W) */ |
| #define U300_GPIO_PXPCR (0x0C) |
| #define U300_GPIO_PXPCR_ALL_PINS_MODE_MASK (0x0000FFFFUL) |
| #define U300_GPIO_PXPCR_PIN_MODE_MASK (0x00000003UL) |
| #define U300_GPIO_PXPCR_PIN_MODE_SHIFT (0x00000002UL) |
| #define U300_GPIO_PXPCR_PIN_MODE_INPUT (0x00000000UL) |
| #define U300_GPIO_PXPCR_PIN_MODE_OUTPUT_PUSH_PULL (0x00000001UL) |
| #define U300_GPIO_PXPCR_PIN_MODE_OUTPUT_OPEN_DRAIN (0x00000002UL) |
| #define U300_GPIO_PXPCR_PIN_MODE_OUTPUT_OPEN_SOURCE (0x00000003UL) |
| /* Port X Pull-up Enable Register 32bit (R/W) */ |
| #define U300_GPIO_PXPER (0x10) |
| #define U300_GPIO_PXPER_ALL_PULL_UP_DISABLE_MASK (0x000000FFUL) |
| #define U300_GPIO_PXPER_PULL_UP_DISABLE (0x00000001UL) |
| /* Port X Interrupt Event Register 32bit (R/W) */ |
| #define U300_GPIO_PXIEV (0x14) |
| #define U300_GPIO_PXIEV_ALL_IRQ_EVENT_MASK (0x000000FFUL) |
| #define U300_GPIO_PXIEV_IRQ_EVENT (0x00000001UL) |
| /* Port X Interrupt Enable Register 32bit (R/W) */ |
| #define U300_GPIO_PXIEN (0x18) |
| #define U300_GPIO_PXIEN_ALL_IRQ_ENABLE_MASK (0x000000FFUL) |
| #define U300_GPIO_PXIEN_IRQ_ENABLE (0x00000001UL) |
| /* Port X Interrupt Force Register 32bit (R/W) */ |
| #define U300_GPIO_PXIFR (0x1C) |
| #define U300_GPIO_PXIFR_ALL_IRQ_FORCE_MASK (0x000000FFUL) |
| #define U300_GPIO_PXIFR_IRQ_FORCE (0x00000001UL) |
| /* Port X Interrupt Config Register 32bit (R/W) */ |
| #define U300_GPIO_PXICR (0x20) |
| #define U300_GPIO_PXICR_ALL_IRQ_CONFIG_MASK (0x000000FFUL) |
| #define U300_GPIO_PXICR_IRQ_CONFIG_MASK (0x00000001UL) |
| #define U300_GPIO_PXICR_IRQ_CONFIG_FALLING_EDGE (0x00000000UL) |
| #define U300_GPIO_PXICR_IRQ_CONFIG_RISING_EDGE (0x00000001UL) |
| #ifdef CONFIG_MACH_U300_BS335 |
| /* seven ports of 8 bits each = GPIO pins 0..55 */ |
| #define U300_GPIO_NUM_PORTS 7 |
| #else |
| /* five ports of 8 bits each = GPIO pins 0..39 */ |
| #define U300_GPIO_NUM_PORTS 5 |
| #endif |
| #define U300_GPIO_PINS_PER_PORT 8 |
| #define U300_GPIO_MAX (U300_GPIO_PINS_PER_PORT * U300_GPIO_NUM_PORTS - 1) |
| #endif |
| |
| /* |
| * Individual pin assignments for the B26/S26. Notice that the |
| * actual usage of these pins depends on the PAD MUX settings, that |
| * is why the same number can potentially appear several times. |
| * In the reference design each pin is only used for one purpose. |
| * These were determined by inspecting the B26/S26 schematic: |
| * 2/1911-ROA 128 1603 |
| */ |
| #ifdef CONFIG_MACH_U300_BS2X |
| #define U300_GPIO_PIN_UART_RX 0 |
| #define U300_GPIO_PIN_UART_TX 1 |
| #define U300_GPIO_PIN_GPIO02 2 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO03 3 /* Unrouted */ |
| #define U300_GPIO_PIN_CAM_SLEEP 4 |
| #define U300_GPIO_PIN_CAM_REG_EN 5 |
| #define U300_GPIO_PIN_GPIO06 6 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO07 7 /* Unrouted */ |
| |
| #define U300_GPIO_PIN_GPIO08 8 /* Service point SP2321 */ |
| #define U300_GPIO_PIN_GPIO09 9 /* Service point SP2322 */ |
| #define U300_GPIO_PIN_PHFSENSE 10 /* Headphone jack sensing */ |
| #define U300_GPIO_PIN_MMC_CLKRET 11 /* Clock return from MMC/SD card */ |
| #define U300_GPIO_PIN_MMC_CD 12 /* MMC Card insertion detection */ |
| #define U300_GPIO_PIN_FLIPSENSE 13 /* Mechanical flip sensing */ |
| #define U300_GPIO_PIN_GPIO14 14 /* DSP JTAG Port RTCK */ |
| #define U300_GPIO_PIN_GPIO15 15 /* Unrouted */ |
| |
| #define U300_GPIO_PIN_GPIO16 16 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO17 17 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO18 18 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO19 19 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO20 20 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO21 21 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO22 22 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO23 23 /* Unrouted */ |
| #endif |
| |
| /* |
| * Individual pin assignments for the B330/S330 and B365/S365. |
| * Notice that the actual usage of these pins depends on the |
| * PAD MUX settings, that is why the same number can potentially |
| * appear several times. In the reference design each pin is only |
| * used for one purpose. These were determined by inspecting the |
| * S365 schematic. |
| */ |
| #if defined(CONFIG_MACH_U300_BS330) || defined(CONFIG_MACH_U300_BS365) || \ |
| defined(CONFIG_MACH_U300_BS335) |
| #define U300_GPIO_PIN_UART_RX 0 |
| #define U300_GPIO_PIN_UART_TX 1 |
| #define U300_GPIO_PIN_UART_CTS 2 |
| #define U300_GPIO_PIN_UART_RTS 3 |
| #define U300_GPIO_PIN_CAM_MAIN_STANDBY 4 /* Camera MAIN standby */ |
| #define U300_GPIO_PIN_GPIO05 5 /* Unrouted */ |
| #define U300_GPIO_PIN_MS_CD 6 /* Memory Stick Card insertion */ |
| #define U300_GPIO_PIN_GPIO07 7 /* Test point TP2430 */ |
| |
| #define U300_GPIO_PIN_GPIO08 8 /* Test point TP2437 */ |
| #define U300_GPIO_PIN_GPIO09 9 /* Test point TP2431 */ |
| #define U300_GPIO_PIN_GPIO10 10 /* Test point TP2432 */ |
| #define U300_GPIO_PIN_MMC_CLKRET 11 /* Clock return from MMC/SD card */ |
| #define U300_GPIO_PIN_MMC_CD 12 /* MMC Card insertion detection */ |
| #define U300_GPIO_PIN_CAM_SUB_STANDBY 13 /* Camera SUB standby */ |
| #define U300_GPIO_PIN_GPIO14 14 /* Test point TP2436 */ |
| #define U300_GPIO_PIN_GPIO15 15 /* Unrouted */ |
| |
| #define U300_GPIO_PIN_GPIO16 16 /* Test point TP2438 */ |
| #define U300_GPIO_PIN_PHFSENSE 17 /* Headphone jack sensing */ |
| #define U300_GPIO_PIN_GPIO18 18 /* Test point TP2439 */ |
| #define U300_GPIO_PIN_GPIO19 19 /* Routed somewhere */ |
| #define U300_GPIO_PIN_GPIO20 20 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO21 21 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO22 22 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO23 23 /* Unrouted */ |
| |
| #define U300_GPIO_PIN_GPIO24 24 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO25 25 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO26 26 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO27 27 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO28 28 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO29 29 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO30 30 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO31 31 /* Unrouted */ |
| |
| #define U300_GPIO_PIN_GPIO32 32 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO33 33 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO34 34 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO35 35 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO36 36 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO37 37 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO38 38 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO39 39 /* Unrouted */ |
| |
| #ifdef CONFIG_MACH_U300_BS335 |
| |
| #define U300_GPIO_PIN_GPIO40 40 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO41 41 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO42 42 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO43 43 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO44 44 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO45 45 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO46 46 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO47 47 /* Unrouted */ |
| |
| #define U300_GPIO_PIN_GPIO48 48 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO49 49 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO50 50 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO51 51 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO52 52 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO53 53 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO54 54 /* Unrouted */ |
| #define U300_GPIO_PIN_GPIO55 55 /* Unrouted */ |
| #endif |
| |
| #endif |
| |
| /* translates a pin number to a port number */ |
| #define PIN_TO_PORT(val) (val >> 3) |
| |
| /* These can be found in arch/arm/mach-u300/gpio.c */ |
| extern int gpio_is_valid(int number); |
| extern int gpio_request(unsigned gpio, const char *label); |
| extern void gpio_free(unsigned gpio); |
| extern int gpio_direction_input(unsigned gpio); |
| extern int gpio_direction_output(unsigned gpio, int value); |
| extern int gpio_register_callback(unsigned gpio, |
| int (*func)(void *arg), |
| void *); |
| extern int gpio_unregister_callback(unsigned gpio); |
| extern void enable_irq_on_gpio_pin(unsigned gpio, int edge); |
| extern void disable_irq_on_gpio_pin(unsigned gpio); |
| extern void gpio_pullup(unsigned gpio, int value); |
| extern int gpio_get_value(unsigned gpio); |
| extern void gpio_set_value(unsigned gpio, int value); |
| |
| /* wrappers to sleep-enable the previous two functions */ |
| static inline unsigned gpio_to_irq(unsigned gpio) |
| { |
| return PIN_TO_PORT(gpio) + IRQ_U300_GPIO_PORT0; |
| } |
| |
| static inline unsigned irq_to_gpio(unsigned irq) |
| { |
| /* |
| * FIXME: This is no 1-1 mapping at all, it points to the |
| * whole block of 8 pins. |
| */ |
| return (irq - IRQ_U300_GPIO_PORT0) << 3; |
| } |
| |
| #endif |
