Commit 923a081c authored by Pavel Machek's avatar Pavel Machek Committed by Daniel Walker

Add GPIO support for HTC Dream.

Signed-off-by: default avatarPavel Machek <pavel@ucw.cz>
[dwalker@codeaurora.org: renamed to trout, checkpatch cleanup]
Signed-off-by: default avatarDaniel Walker <dwalker@codeaurora.org>
parent 7e27d6e7
......@@ -586,6 +586,7 @@ config ARCH_MSM
bool "Qualcomm MSM"
select HAVE_CLK
select GENERIC_CLOCKEVENTS
select ARCH_REQUIRE_GPIOLIB
help
Support for Qualcomm MSM/QSD based systems. This runs on the
apps processor of the MSM/QSD and depends on a shared memory
......
......@@ -15,7 +15,7 @@ obj-$(CONFIG_ARCH_QSD8X50) += sirc.o
obj-$(CONFIG_MSM_SMD) += smd.o smd_debug.o
obj-$(CONFIG_MSM_SMD) += last_radio_log.o
obj-$(CONFIG_MACH_TROUT) += board-trout.o devices-msm7x00.o
obj-$(CONFIG_MACH_TROUT) += board-trout.o board-trout-gpio.o devices-msm7x00.o
obj-$(CONFIG_MACH_HALIBUT) += board-halibut.o devices-msm7x00.o
obj-$(CONFIG_ARCH_MSM7X30) += board-msm7x30.o devices-msm7x30.o
obj-$(CONFIG_ARCH_QSD8X50) += board-qsd8x50.o devices-qsd8x50.o
......
/*
* linux/arch/arm/mach-msm/gpio.c
*
* Copyright (C) 2005 HP Labs
* Copyright (C) 2008 Google, Inc.
* Copyright (C) 2009 Pavel Machek <pavel@ucw.cz>
*
* 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.
*/
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/io.h>
#include <linux/irq.h>
#include <linux/gpio.h>
#include "board-trout.h"
struct msm_gpio_chip {
struct gpio_chip chip;
void __iomem *reg; /* Base of register bank */
u8 shadow;
};
#define to_msm_gpio_chip(c) container_of(c, struct msm_gpio_chip, chip)
static int msm_gpiolib_get(struct gpio_chip *chip, unsigned offset)
{
struct msm_gpio_chip *msm_gpio = to_msm_gpio_chip(chip);
unsigned mask = 1 << offset;
return !!(readb(msm_gpio->reg) & mask);
}
static void msm_gpiolib_set(struct gpio_chip *chip, unsigned offset, int val)
{
struct msm_gpio_chip *msm_gpio = to_msm_gpio_chip(chip);
unsigned mask = 1 << offset;
if (val)
msm_gpio->shadow |= mask;
else
msm_gpio->shadow &= ~mask;
writeb(msm_gpio->shadow, msm_gpio->reg);
}
static int msm_gpiolib_direction_input(struct gpio_chip *chip,
unsigned offset)
{
msm_gpiolib_set(chip, offset, 0);
return 0;
}
static int msm_gpiolib_direction_output(struct gpio_chip *chip,
unsigned offset, int val)
{
msm_gpiolib_set(chip, offset, val);
return 0;
}
#define TROUT_GPIO_BANK(name, reg_num, base_gpio, shadow_val) \
{ \
.chip = { \
.label = name, \
.direction_input = msm_gpiolib_direction_input,\
.direction_output = msm_gpiolib_direction_output, \
.get = msm_gpiolib_get, \
.set = msm_gpiolib_set, \
.base = base_gpio, \
.ngpio = 8, \
}, \
.reg = (void *) reg_num + TROUT_CPLD_BASE, \
.shadow = shadow_val, \
}
static struct msm_gpio_chip msm_gpio_banks[] = {
#if defined(CONFIG_MSM_DEBUG_UART1)
/* H2W pins <-> UART1 */
TROUT_GPIO_BANK("MISC2", 0x00, TROUT_GPIO_MISC2_BASE, 0x40),
#else
/* H2W pins <-> UART3, Bluetooth <-> UART1 */
TROUT_GPIO_BANK("MISC2", 0x00, TROUT_GPIO_MISC2_BASE, 0x80),
#endif
/* I2C pull */
TROUT_GPIO_BANK("MISC3", 0x02, TROUT_GPIO_MISC3_BASE, 0x04),
TROUT_GPIO_BANK("MISC4", 0x04, TROUT_GPIO_MISC4_BASE, 0),
/* mmdi 32k en */
TROUT_GPIO_BANK("MISC5", 0x06, TROUT_GPIO_MISC5_BASE, 0x04),
TROUT_GPIO_BANK("INT2", 0x08, TROUT_GPIO_INT2_BASE, 0),
TROUT_GPIO_BANK("MISC1", 0x0a, TROUT_GPIO_MISC1_BASE, 0),
TROUT_GPIO_BANK("VIRTUAL", 0x12, TROUT_GPIO_VIRTUAL_BASE, 0),
};
/*
* Called from the processor-specific init to enable GPIO pin support.
*/
int __init trout_init_gpio(void)
{
int i;
for (i = 0; i < ARRAY_SIZE(msm_gpio_banks); i++)
gpiochip_add(&msm_gpio_banks[i].chip);
return 0;
}
postcore_initcall(trout_init_gpio);
/* linux/arch/arm/mach-msm/board-trout.h
** Author: Brian Swetland <swetland@google.com>
*/
#ifndef __ARCH_ARM_MACH_MSM_BOARD_TROUT_H
#define __ARCH_ARM_MACH_MSM_BOARD_TROUT_H
#include <mach/board.h>
#define MSM_SMI_BASE 0x00000000
#define MSM_SMI_SIZE 0x00800000
#define MSM_EBI_BASE 0x10000000
#define MSM_EBI_SIZE 0x06e00000
#define MSM_PMEM_GPU0_BASE 0x00000000
#define MSM_PMEM_GPU0_SIZE 0x00700000
#define MSM_PMEM_MDP_BASE 0x02000000
#define MSM_PMEM_MDP_SIZE 0x00800000
#define MSM_PMEM_ADSP_BASE 0x02800000
#define MSM_PMEM_ADSP_SIZE 0x00800000
#define MSM_PMEM_CAMERA_BASE 0x03000000
#define MSM_PMEM_CAMERA_SIZE 0x00800000
#define MSM_FB_BASE 0x03800000
#define MSM_FB_SIZE 0x00100000
#define MSM_LINUX_BASE MSM_EBI_BASE
#define MSM_LINUX_SIZE 0x06500000
#define MSM_PMEM_GPU1_SIZE 0x800000
#define MSM_PMEM_GPU1_BASE (MSM_RAM_CONSOLE_BASE - MSM_PMEM_GPU1_SIZE)
#define MSM_RAM_CONSOLE_BASE (MSM_EBI_BASE + 0x6d00000)
#define MSM_RAM_CONSOLE_SIZE (128 * SZ_1K)
#if (MSM_FB_BASE + MSM_FB_SIZE) >= (MSM_PMEM_GPU1_BASE)
#error invalid memory map
#endif
#define DECLARE_MSM_IOMAP
#include <mach/msm_iomap.h>
#define TROUT_4_BALL_UP_0 1
#define TROUT_4_BALL_LEFT_0 18
#define TROUT_4_BALL_DOWN_0 57
#define TROUT_4_BALL_RIGHT_0 91
#define TROUT_5_BALL_UP_0 94
#define TROUT_5_BALL_LEFT_0 18
#define TROUT_5_BALL_DOWN_0 90
#define TROUT_5_BALL_RIGHT_0 19
#define TROUT_POWER_KEY 20
#define TROUT_4_TP_LS_EN 19
#define TROUT_5_TP_LS_EN 1
#define TROUT_CPLD_BASE 0xE8100000
#define TROUT_CPLD_START 0x98000000
#define TROUT_CPLD_SIZE SZ_4K
#define TROUT_GPIO_CABLE_IN1 (83)
#define TROUT_GPIO_CABLE_IN2 (49)
#define TROUT_GPIO_START (128)
#define TROUT_GPIO_INT_MASK0_REG (0x0c)
#define TROUT_GPIO_INT_STAT0_REG (0x0e)
#define TROUT_GPIO_INT_MASK1_REG (0x14)
#define TROUT_GPIO_INT_STAT1_REG (0x10)
#define TROUT_GPIO_HAPTIC_PWM (28)
#define TROUT_GPIO_PS_HOLD (25)
#define TROUT_GPIO_MISC2_BASE (TROUT_GPIO_START + 0x00)
#define TROUT_GPIO_MISC3_BASE (TROUT_GPIO_START + 0x08)
#define TROUT_GPIO_MISC4_BASE (TROUT_GPIO_START + 0x10)
#define TROUT_GPIO_MISC5_BASE (TROUT_GPIO_START + 0x18)
#define TROUT_GPIO_INT2_BASE (TROUT_GPIO_START + 0x20)
#define TROUT_GPIO_MISC1_BASE (TROUT_GPIO_START + 0x28)
#define TROUT_GPIO_VIRTUAL_BASE (TROUT_GPIO_START + 0x30)
#define TROUT_GPIO_INT5_BASE (TROUT_GPIO_START + 0x48)
#define TROUT_GPIO_CHARGER_EN (TROUT_GPIO_MISC2_BASE + 0)
#define TROUT_GPIO_ISET (TROUT_GPIO_MISC2_BASE + 1)
#define TROUT_GPIO_H2W_DAT_DIR (TROUT_GPIO_MISC2_BASE + 2)
#define TROUT_GPIO_H2W_CLK_DIR (TROUT_GPIO_MISC2_BASE + 3)
#define TROUT_GPIO_H2W_DAT_GPO (TROUT_GPIO_MISC2_BASE + 4)
#define TROUT_GPIO_H2W_CLK_GPO (TROUT_GPIO_MISC2_BASE + 5)
#define TROUT_GPIO_H2W_SEL0 (TROUT_GPIO_MISC2_BASE + 6)
#define TROUT_GPIO_H2W_SEL1 (TROUT_GPIO_MISC2_BASE + 7)
#define TROUT_GPIO_SPOTLIGHT_EN (TROUT_GPIO_MISC3_BASE + 0)
#define TROUT_GPIO_FLASH_EN (TROUT_GPIO_MISC3_BASE + 1)
#define TROUT_GPIO_I2C_PULL (TROUT_GPIO_MISC3_BASE + 2)
#define TROUT_GPIO_TP_I2C_PULL (TROUT_GPIO_MISC3_BASE + 3)
#define TROUT_GPIO_TP_EN (TROUT_GPIO_MISC3_BASE + 4)
#define TROUT_GPIO_JOG_EN (TROUT_GPIO_MISC3_BASE + 5)
#define TROUT_GPIO_UI_LED_EN (TROUT_GPIO_MISC3_BASE + 6)
#define TROUT_GPIO_QTKEY_LED_EN (TROUT_GPIO_MISC3_BASE + 7)
#define TROUT_GPIO_VCM_PWDN (TROUT_GPIO_MISC4_BASE + 0)
#define TROUT_GPIO_USB_H2W_SW (TROUT_GPIO_MISC4_BASE + 1)
#define TROUT_GPIO_COMPASS_RST_N (TROUT_GPIO_MISC4_BASE + 2)
#define TROUT_GPIO_HAPTIC_EN_UP (TROUT_GPIO_MISC4_BASE + 3)
#define TROUT_GPIO_HAPTIC_EN_MAIN (TROUT_GPIO_MISC4_BASE + 4)
#define TROUT_GPIO_USB_PHY_RST_N (TROUT_GPIO_MISC4_BASE + 5)
#define TROUT_GPIO_WIFI_PA_RESETX (TROUT_GPIO_MISC4_BASE + 6)
#define TROUT_GPIO_WIFI_EN (TROUT_GPIO_MISC4_BASE + 7)
#define TROUT_GPIO_BT_32K_EN (TROUT_GPIO_MISC5_BASE + 0)
#define TROUT_GPIO_MAC_32K_EN (TROUT_GPIO_MISC5_BASE + 1)
#define TROUT_GPIO_MDDI_32K_EN (TROUT_GPIO_MISC5_BASE + 2)
#define TROUT_GPIO_COMPASS_32K_EN (TROUT_GPIO_MISC5_BASE + 3)
#define TROUT_GPIO_NAVI_ACT_N (TROUT_GPIO_INT2_BASE + 0)
#define TROUT_GPIO_COMPASS_IRQ (TROUT_GPIO_INT2_BASE + 1)
#define TROUT_GPIO_SLIDING_DET (TROUT_GPIO_INT2_BASE + 2)
#define TROUT_GPIO_AUD_HSMIC_DET_N (TROUT_GPIO_INT2_BASE + 3)
#define TROUT_GPIO_SD_DOOR_N (TROUT_GPIO_INT2_BASE + 4)
#define TROUT_GPIO_CAM_BTN_STEP1_N (TROUT_GPIO_INT2_BASE + 5)
#define TROUT_GPIO_CAM_BTN_STEP2_N (TROUT_GPIO_INT2_BASE + 6)
#define TROUT_GPIO_TP_ATT_N (TROUT_GPIO_INT2_BASE + 7)
#define TROUT_GPIO_BANK0_FIRST_INT_SOURCE (TROUT_GPIO_NAVI_ACT_N)
#define TROUT_GPIO_BANK0_LAST_INT_SOURCE (TROUT_GPIO_TP_ATT_N)
#define TROUT_GPIO_H2W_DAT_GPI (TROUT_GPIO_MISC1_BASE + 0)
#define TROUT_GPIO_H2W_CLK_GPI (TROUT_GPIO_MISC1_BASE + 1)
#define TROUT_GPIO_CPLD128_VER_0 (TROUT_GPIO_MISC1_BASE + 4)
#define TROUT_GPIO_CPLD128_VER_1 (TROUT_GPIO_MISC1_BASE + 5)
#define TROUT_GPIO_CPLD128_VER_2 (TROUT_GPIO_MISC1_BASE + 6)
#define TROUT_GPIO_CPLD128_VER_3 (TROUT_GPIO_MISC1_BASE + 7)
#define TROUT_GPIO_SDMC_CD_N (TROUT_GPIO_VIRTUAL_BASE + 0)
#define TROUT_GPIO_END (TROUT_GPIO_SDMC_CD_N)
#define TROUT_GPIO_BANK1_FIRST_INT_SOURCE (TROUT_GPIO_SDMC_CD_N)
#define TROUT_GPIO_BANK1_LAST_INT_SOURCE (TROUT_GPIO_SDMC_CD_N)
#define TROUT_GPIO_VIRTUAL_TO_REAL_OFFSET \
(TROUT_GPIO_INT5_BASE - TROUT_GPIO_VIRTUAL_BASE)
#define TROUT_INT_START (NR_MSM_IRQS + NR_GPIO_IRQS)
#define TROUT_INT_BANK0_COUNT (8)
#define TROUT_INT_BANK1_START (TROUT_INT_START + TROUT_INT_BANK0_COUNT)
#define TROUT_INT_BANK1_COUNT (1)
#define TROUT_INT_END (TROUT_INT_START + TROUT_INT_BANK0_COUNT + \
TROUT_INT_BANK1_COUNT - 1)
#define TROUT_GPIO_TO_INT(n) (((n) <= TROUT_GPIO_BANK0_LAST_INT_SOURCE) ? \
(TROUT_INT_START - TROUT_GPIO_BANK0_FIRST_INT_SOURCE + (n)) : \
(TROUT_INT_BANK1_START - TROUT_GPIO_BANK1_FIRST_INT_SOURCE + (n)))
#define TROUT_INT_TO_BANK(n) ((n - TROUT_INT_START) / TROUT_INT_BANK0_COUNT)
#define TROUT_INT_TO_MASK(n) (1U << ((n - TROUT_INT_START) & 7))
#define TROUT_BANK_TO_MASK_REG(bank) \
(bank ? TROUT_GPIO_INT_MASK1_REG : TROUT_GPIO_INT_MASK0_REG)
#define TROUT_BANK_TO_STAT_REG(bank) \
(bank ? TROUT_GPIO_INT_STAT1_REG : TROUT_GPIO_INT_STAT0_REG)
#endif /* GUARD */
......@@ -16,6 +16,13 @@
#ifndef __ASM_ARCH_MSM_GPIO_H
#define __ASM_ARCH_MSM_GPIO_H
#include <asm-generic/gpio.h>
#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
/**
* struct msm_gpio - GPIO pin description
* @gpio_cfg - configuration bitmap, as per gpio_tlmm_config()
......
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