aiot/waterInvestigationHiddenDanger/databaseOperation/liquidLevelOperation.c

/*
 * Copyright 2012 Freescale Semiconductor, Inc.
 * Copyright 2012 Linaro Ltd.
 *
 * The code contained herein is licensed under the GNU General Public
 * License. You may obtain a copy of the GNU General Public License
 * Version 2 or later at the following locations:
 *
 * http://www.opensource.org/licenses/gpl-license.html
 * http://www.gnu.org/copyleft/gpl.html
 */

#include <linux/clk.h>
#include <linux/clkdev.h>
#include <linux/can/platform/flexcan.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/gpio.h>
#include <linux/init.h>
#include <linux/micrel_phy.h>
#include <linux/mxsfb.h>
#include <linux/of_platform.h>
#include <linux/phy.h>
#include <linux/pinctrl/consumer.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <mach/common.h>
#include <mach/digctl.h>
#include <mach/mxs.h>

static struct fb_videomode mx23evk_video_modes[] = {
	{
		.name		= "Samsung-LMS430HF02",
		.refresh	= 60,
		.xres		= 480,
		.yres		= 272,
		.pixclock	= 108096, /* picosecond (9.2 MHz) */
		.left_margin	= 15,
		.right_margin	= 8,
		.upper_margin	= 12,
		.lower_margin	= 4,
		.hsync_len	= 1,
		.vsync_len	= 1,
		.sync		= FB_SYNC_DATA_ENABLE_HIGH_ACT |
				  FB_SYNC_DOTCLK_FAILING_ACT,
	},
};

static struct fb_videomode mx28evk_video_modes[] = {
	{
		.name		= "Seiko-43WVF1G",
		.refresh	= 60,
		.xres		= 800,
		.yres		= 480,
		.pixclock	= 29851, /* picosecond (33.5 MHz) */
		.left_margin	= 89,
		.right_margin	= 164,
		.upper_margin	= 23,
		.lower_margin	= 10,
		.hsync_len	= 10,
		.vsync_len	= 10,
		.sync		= FB_SYNC_DATA_ENABLE_HIGH_ACT |
				  FB_SYNC_DOTCLK_FAILING_ACT,
	},
};

static struct fb_videomode m28evk_video_modes[] = {
	{
		.name		= "Ampire AM-800480R2TMQW-T01H",
		.refresh	= 60,
		.xres		= 800,
		.yres		= 480,
		.pixclock	= 30066, /* picosecond (33.26 MHz) */
		.left_margin	= 0,
		.right_margin	= 256,
		.upper_margin	= 0,
		.lower_margin	= 45,
		.hsync_len	= 1,
		.vsync_len	= 1,
		.sync		= FB_SYNC_DATA_ENABLE_HIGH_ACT,
	},
};

static struct fb_videomode apx4devkit_video_modes[] = {
	{
		.name		= "HannStar PJ70112A",
		.refresh	= 60,
		.xres		= 800,
		.yres		= 480,
		.pixclock	= 33333, /* picosecond (30.00 MHz) */
		.left_margin	= 88,
		.right_margin	= 40,
		.upper_margin	= 32,
		.lower_margin	= 13,
		.hsync_len	= 48,
		.vsync_len	= 3,
		.sync		= FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT |
				  FB_SYNC_DATA_ENABLE_HIGH_ACT |
				  FB_SYNC_DOTCLK_FAILING_ACT,
	},
};

static struct fb_videomode apf28dev_video_modes[] = {
	{
		.name = "LW700",
		.refresh = 60,
		.xres = 800,
		.yres = 480,
		.pixclock = 30303, /* picosecond */
		.left_margin = 96,
		.right_margin = 96, /* at least 3 & 1 */
		.upper_margin = 0x14,
		.lower_margin = 0x15,
		.hsync_len = 64,
		.vsync_len = 4,
		.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT |
				FB_SYNC_DATA_ENABLE_HIGH_ACT |
				FB_SYNC_DOTCLK_FAILING_ACT,
	},
};

static struct mxsfb_platform_data mxsfb_pdata __initdata;

/*
 * MX28EVK_FLEXCAN_SWITCH is shared between both flexcan controllers
 */
#define MX28EVK_FLEXCAN_SWITCH	MXS_GPIO_NR(2, 13)

static int flexcan0_en, flexcan1_en;

static void mx28evk_flexcan_switch(void)
{
	if (flexcan0_en || flexcan1_en)
		gpio_set_value(MX28EVK_FLEXCAN_SWITCH, 1);
	else
		gpio_set_value(MX28EVK_FLEXCAN_SWITCH, 0);
}

static void mx28evk_flexcan0_switch(int enable)
{
	flexcan0_en = enable;
	mx28evk_flexcan_switch();
}

static void mx28evk_flexcan1_switch(int enable)
{
	flexcan1_en = enable;
	mx28evk_flexcan_switch();
}

static struct flexcan_platform_data flexcan_pdata[2];

static struct of_dev_auxdata mxs_auxdata_lookup[] __initdata = {
	OF_DEV_AUXDATA("fsl,imx23-lcdif", 0x80030000, NULL, &mxsfb_pdata),
	OF_DEV_AUXDATA("fsl,imx28-lcdif", 0x80030000, NULL, &mxsfb_pdata),
	OF_DEV_AUXDATA("fsl,imx28-flexcan", 0x80032000, NULL, &flexcan_pdata[0]),
	OF_DEV_AUXDATA("fsl,imx28-flexcan", 0x80034000, NULL, &flexcan_pdata[1]),
	{ /* sentinel */ }
};

static void __init imx23_timer_init(void)
{
	mx23_clocks_init();
}

static struct sys_timer imx23_timer = {
	.init = imx23_timer_init,
};

static void __init imx28_timer_init(void)
{
	mx28_clocks_init();
}

static struct sys_timer imx28_timer = {
	.init = imx28_timer_init,
};

enum mac_oui {
	OUI_FSL,
	OUI_DENX,
	OUI_CRYSTALFONTZ,
};

static void __init update_fec_mac_prop(enum mac_oui oui)
{
	struct device_node *np, *from = NULL;
	struct property *newmac;
	const u32 *ocotp = mxs_get_ocotp();
	u8 *macaddr;
	u32 val;
	int i;