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

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

arch/arm/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -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

arch/arm/mach-msm/Makefile

+1 −1
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@@ -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

arch/arm/mach-msm/board-trout-gpio.c

0 → 100644
+112 −0
Original line number Diff line number Diff line 
/*

 * 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);

arch/arm/mach-msm/board-trout.h

+157 −0
Original line number Diff line number Diff line 
/* 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 */

arch/arm/mach-msm/include/mach/gpio.h

+7 −0
Original line number Diff line number Diff line
@@ -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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