Add the rt linux 4.1.3-rt3 as base

Import the rt linux 4.1.3-rt3 as OPNFV kvm base.

It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:

commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date:   Sat Jul 25 12:13:34 2015 +0200

    Prepare v4.1.3-rt3

    Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.

Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>

1 files changed, 414 insertions, 0 deletions

diff --git a/kernel/arch/arm/mach-pxa/palmz72.c b/kernel/arch/arm/mach-pxa/palmz72.c
new file mode 100644
index 000000000..1a35ddf21
--- /dev/null
+++ b/kernel/arch/arm/mach-pxa/palmz72.c
@@ -0,0 +1,414 @@
+/*
+ * Hardware definitions for Palm Zire72
+ *
+ * Authors:
+ *	Vladimir "Farcaller" Pouzanov <farcaller@gmail.com>
+ *	Sergey Lapin <slapin@ossfans.org>
+ *	Alex Osborne <bobofdoom@gmail.com>
+ *	Jan Herman <2hp@seznam.cz>
+ *
+ * Rewrite for mainline:
+ *	Marek Vasut <marek.vasut@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * (find more info at www.hackndev.com)
+ *
+ */
+
+#include <linux/platform_device.h>
+#include <linux/syscore_ops.h>
+#include <linux/delay.h>
+#include <linux/irq.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <linux/pda_power.h>
+#include <linux/pwm_backlight.h>
+#include <linux/gpio.h>
+#include <linux/wm97xx.h>
+#include <linux/power_supply.h>
+#include <linux/usb/gpio_vbus.h>
+#include <linux/i2c-gpio.h>
+
+#include <asm/mach-types.h>
+#include <asm/suspend.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <mach/pxa27x.h>
+#include <mach/audio.h>
+#include <mach/palmz72.h>
+#include <linux/platform_data/mmc-pxamci.h>
+#include <linux/platform_data/video-pxafb.h>
+#include <linux/platform_data/irda-pxaficp.h>
+#include <linux/platform_data/keypad-pxa27x.h>
+#include <mach/udc.h>
+#include <linux/platform_data/asoc-palm27x.h>
+#include <mach/palm27x.h>
+
+#include <mach/pm.h>
+#include <linux/platform_data/camera-pxa.h>
+
+#include <media/soc_camera.h>
+
+#include "generic.h"
+#include "devices.h"
+
+/******************************************************************************
+ * Pin configuration
+ ******************************************************************************/
+static unsigned long palmz72_pin_config[] __initdata = {
+	/* MMC */
+	GPIO32_MMC_CLK,
+	GPIO92_MMC_DAT_0,
+	GPIO109_MMC_DAT_1,
+	GPIO110_MMC_DAT_2,
+	GPIO111_MMC_DAT_3,
+	GPIO112_MMC_CMD,
+	GPIO14_GPIO,	/* SD detect */
+	GPIO115_GPIO,	/* SD RO */
+	GPIO98_GPIO,	/* SD power */
+
+	/* AC97 */
+	GPIO28_AC97_BITCLK,
+	GPIO29_AC97_SDATA_IN_0,
+	GPIO30_AC97_SDATA_OUT,
+	GPIO31_AC97_SYNC,
+	GPIO89_AC97_SYSCLK,
+	GPIO113_AC97_nRESET,
+
+	/* IrDA */
+	GPIO49_GPIO,	/* ir disable */
+	GPIO46_FICP_RXD,
+	GPIO47_FICP_TXD,
+
+	/* PWM */
+	GPIO16_PWM0_OUT,
+
+	/* USB */
+	GPIO15_GPIO,	/* usb detect */
+	GPIO95_GPIO,	/* usb pullup */
+
+	/* Matrix keypad */
+	GPIO100_KP_MKIN_0	| WAKEUP_ON_LEVEL_HIGH,
+	GPIO101_KP_MKIN_1	| WAKEUP_ON_LEVEL_HIGH,
+	GPIO102_KP_MKIN_2	| WAKEUP_ON_LEVEL_HIGH,
+	GPIO97_KP_MKIN_3	| WAKEUP_ON_LEVEL_HIGH,
+	GPIO103_KP_MKOUT_0,
+	GPIO104_KP_MKOUT_1,
+	GPIO105_KP_MKOUT_2,
+
+	/* LCD */
+	GPIOxx_LCD_TFT_16BPP,
+
+	GPIO20_GPIO,	/* bl power */
+	GPIO21_GPIO,	/* LCD border switch */
+	GPIO22_GPIO,	/* LCD border color */
+	GPIO96_GPIO,	/* lcd power */
+
+	/* PXA Camera */
+	GPIO81_CIF_DD_0,
+	GPIO48_CIF_DD_5,
+	GPIO50_CIF_DD_3,
+	GPIO51_CIF_DD_2,
+	GPIO52_CIF_DD_4,
+	GPIO53_CIF_MCLK,
+	GPIO54_CIF_PCLK,
+	GPIO55_CIF_DD_1,
+	GPIO84_CIF_FV,
+	GPIO85_CIF_LV,
+	GPIO93_CIF_DD_6,
+	GPIO108_CIF_DD_7,
+
+	GPIO56_GPIO,	/* OV9640 Powerdown */
+	GPIO57_GPIO,	/* OV9640 Reset */
+	GPIO91_GPIO,	/* OV9640 Power */
+
+	/* I2C */
+	GPIO117_GPIO,	/* I2C_SCL */
+	GPIO118_GPIO,	/* I2C_SDA */
+
+	/* Misc. */
+	GPIO0_GPIO	| WAKEUP_ON_LEVEL_HIGH,	/* power detect */
+	GPIO88_GPIO,				/* green led */
+	GPIO27_GPIO,				/* WM9712 IRQ */
+};
+
+/******************************************************************************
+ * GPIO keyboard
+ ******************************************************************************/
+#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
+static const unsigned int palmz72_matrix_keys[] = {
+	KEY(0, 0, KEY_POWER),
+	KEY(0, 1, KEY_F1),
+	KEY(0, 2, KEY_ENTER),
+
+	KEY(1, 0, KEY_F2),
+	KEY(1, 1, KEY_F3),
+	KEY(1, 2, KEY_F4),
+
+	KEY(2, 0, KEY_UP),
+	KEY(2, 2, KEY_DOWN),
+
+	KEY(3, 0, KEY_RIGHT),
+	KEY(3, 2, KEY_LEFT),
+};
+
+static struct matrix_keymap_data almz72_matrix_keymap_data = {
+	.keymap			= palmz72_matrix_keys,
+	.keymap_size		= ARRAY_SIZE(palmz72_matrix_keys),
+};
+
+static struct pxa27x_keypad_platform_data palmz72_keypad_platform_data = {
+	.matrix_key_rows	= 4,
+	.matrix_key_cols	= 3,
+	.matrix_keymap_data	= &almz72_matrix_keymap_data,
+
+	.debounce_interval	= 30,
+};
+
+static void __init palmz72_kpc_init(void)
+{
+	pxa_set_keypad_info(&palmz72_keypad_platform_data);
+}
+#else
+static inline void palmz72_kpc_init(void) {}
+#endif
+
+/******************************************************************************
+ * LEDs
+ ******************************************************************************/
+#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
+static struct gpio_led gpio_leds[] = {
+	{
+		.name			= "palmz72:green:led",
+		.default_trigger	= "none",
+		.gpio			= GPIO_NR_PALMZ72_LED_GREEN,
+	},
+};
+
+static struct gpio_led_platform_data gpio_led_info = {
+	.leds		= gpio_leds,
+	.num_leds	= ARRAY_SIZE(gpio_leds),
+};
+
+static struct platform_device palmz72_leds = {
+	.name	= "leds-gpio",
+	.id	= -1,
+	.dev	= {
+		.platform_data	= &gpio_led_info,
+	}
+};
+
+static void __init palmz72_leds_init(void)
+{
+	platform_device_register(&palmz72_leds);
+}
+#else
+static inline void palmz72_leds_init(void) {}
+#endif
+
+#ifdef CONFIG_PM
+
+/* We have some black magic here
+ * PalmOS ROM on recover expects special struct physical address
+ * to be transferred via PSPR. Using this struct PalmOS restores
+ * its state after sleep. As for Linux, we need to setup it the
+ * same way. More than that, PalmOS ROM changes some values in memory.
+ * For now only one location is found, which needs special treatment.
+ * Thanks to Alex Osborne, Andrzej Zaborowski, and lots of other people
+ * for reading backtraces for me :)
+ */
+
+#define PALMZ72_SAVE_DWORD ((unsigned long *)0xc0000050)
+
+static struct palmz72_resume_info palmz72_resume_info = {
+	.magic0 = 0xb4e6,
+	.magic1 = 1,
+
+	/* reset state, MMU off etc */
+	.arm_control = 0,
+	.aux_control = 0,
+	.ttb = 0,
+	.domain_access = 0,
+	.process_id = 0,
+};
+
+static unsigned long store_ptr;
+
+/* syscore_ops for Palm Zire 72 PM */
+
+static int palmz72_pm_suspend(void)
+{
+	/* setup the resume_info struct for the original bootloader */
+	palmz72_resume_info.resume_addr = (u32) cpu_resume;
+
+	/* Storing memory touched by ROM */
+	store_ptr = *PALMZ72_SAVE_DWORD;
+
+	/* Setting PSPR to a proper value */
+	PSPR = virt_to_phys(&palmz72_resume_info);
+
+	return 0;
+}
+
+static void palmz72_pm_resume(void)
+{
+	*PALMZ72_SAVE_DWORD = store_ptr;
+}
+
+static struct syscore_ops palmz72_pm_syscore_ops = {
+	.suspend = palmz72_pm_suspend,
+	.resume = palmz72_pm_resume,
+};
+
+static int __init palmz72_pm_init(void)
+{
+	if (machine_is_palmz72()) {
+		register_syscore_ops(&palmz72_pm_syscore_ops);
+		return 0;
+	}
+	return -ENODEV;
+}
+
+device_initcall(palmz72_pm_init);
+#endif
+
+/******************************************************************************
+ * SoC Camera
+ ******************************************************************************/
+#if defined(CONFIG_SOC_CAMERA_OV9640) || \
+	defined(CONFIG_SOC_CAMERA_OV9640_MODULE)
+static struct pxacamera_platform_data palmz72_pxacamera_platform_data = {
+	.flags		= PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 |
+			PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN,
+	.mclk_10khz	= 2600,
+};
+
+/* Board I2C devices. */
+static struct i2c_board_info palmz72_i2c_device[] = {
+	{
+		I2C_BOARD_INFO("ov9640", 0x30),
+	}
+};
+
+static int palmz72_camera_power(struct device *dev, int power)
+{
+	gpio_set_value(GPIO_NR_PALMZ72_CAM_PWDN, !power);
+	mdelay(50);
+	return 0;
+}
+
+static int palmz72_camera_reset(struct device *dev)
+{
+	gpio_set_value(GPIO_NR_PALMZ72_CAM_RESET, 1);
+	mdelay(50);
+	gpio_set_value(GPIO_NR_PALMZ72_CAM_RESET, 0);
+	mdelay(50);
+	return 0;
+}
+
+static struct soc_camera_link palmz72_iclink = {
+	.bus_id		= 0, /* Match id in pxa27x_device_camera in device.c */
+	.board_info	= &palmz72_i2c_device[0],
+	.i2c_adapter_id	= 0,
+	.module_name	= "ov96xx",
+	.power		= &palmz72_camera_power,
+	.reset		= &palmz72_camera_reset,
+	.flags		= SOCAM_DATAWIDTH_8,
+};
+
+static struct i2c_gpio_platform_data palmz72_i2c_bus_data = {
+	.sda_pin	= 118,
+	.scl_pin	= 117,
+	.udelay		= 10,
+	.timeout	= 100,
+};
+
+static struct platform_device palmz72_i2c_bus_device = {
+	.name		= "i2c-gpio",
+	.id		= 0, /* we use this as a replacement for i2c-pxa */
+	.dev		= {
+		.platform_data	= &palmz72_i2c_bus_data,
+	}
+};
+
+static struct platform_device palmz72_camera = {
+	.name	= "soc-camera-pdrv",
+	.id	= -1,
+	.dev	= {
+		.platform_data	= &palmz72_iclink,
+	},
+};
+
+/* Here we request the camera GPIOs and configure them. We power up the camera
+ * module, deassert the reset pin, but put it into powerdown (low to no power
+ * consumption) mode. This allows us to later bring the module up fast. */
+static struct gpio palmz72_camera_gpios[] = {
+	{ GPIO_NR_PALMZ72_CAM_POWER,	GPIOF_INIT_HIGH,"Camera DVDD" },
+	{ GPIO_NR_PALMZ72_CAM_RESET,	GPIOF_INIT_LOW,	"Camera RESET" },
+	{ GPIO_NR_PALMZ72_CAM_PWDN,	GPIOF_INIT_LOW,	"Camera PWDN" },
+};
+
+static inline void __init palmz72_cam_gpio_init(void)
+{
+	int ret;
+
+	ret = gpio_request_array(ARRAY_AND_SIZE(palmz72_camera_gpios));
+	if (!ret)
+		gpio_free_array(ARRAY_AND_SIZE(palmz72_camera_gpios));
+	else
+		printk(KERN_ERR "Camera GPIO init failed!\n");
+
+	return;
+}
+
+static void __init palmz72_camera_init(void)
+{
+	palmz72_cam_gpio_init();
+	pxa_set_camera_info(&palmz72_pxacamera_platform_data);
+	platform_device_register(&palmz72_i2c_bus_device);
+	platform_device_register(&palmz72_camera);
+}
+#else
+static inline void palmz72_camera_init(void) {}
+#endif
+
+/******************************************************************************
+ * Machine init
+ ******************************************************************************/
+static void __init palmz72_init(void)
+{
+	pxa2xx_mfp_config(ARRAY_AND_SIZE(palmz72_pin_config));
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
+	palm27x_mmc_init(GPIO_NR_PALMZ72_SD_DETECT_N, GPIO_NR_PALMZ72_SD_RO,
+			GPIO_NR_PALMZ72_SD_POWER_N, 1);
+	palm27x_lcd_init(-1, &palm_320x320_lcd_mode);
+	palm27x_udc_init(GPIO_NR_PALMZ72_USB_DETECT_N,
+			GPIO_NR_PALMZ72_USB_PULLUP, 0);
+	palm27x_irda_init(GPIO_NR_PALMZ72_IR_DISABLE);
+	palm27x_ac97_init(PALMZ72_BAT_MIN_VOLTAGE, PALMZ72_BAT_MAX_VOLTAGE,
+			-1, 113);
+	palm27x_pwm_init(-1, -1);
+	palm27x_power_init(-1, -1);
+	palm27x_pmic_init();
+	palmz72_kpc_init();
+	palmz72_leds_init();
+	palmz72_camera_init();
+}
+
+MACHINE_START(PALMZ72, "Palm Zire72")
+	.atag_offset	= 0x100,
+	.map_io		= pxa27x_map_io,
+	.nr_irqs	= PXA_NR_IRQS,
+	.init_irq	= pxa27x_init_irq,
+	.handle_irq	= pxa27x_handle_irq,
+	.init_time	= pxa_timer_init,
+	.init_machine	= palmz72_init,
+	.restart	= pxa_restart,
+MACHINE_END