Linux-libre 4.3.2-gnu

15 files changed, 349 insertions, 16 deletions

diff --git a/arch/arm/mach-s3c64xx/Kconfig b/arch/arm/mach-s3c64xx/Kconfig
index eff95e950..28c7097e8 100644
--- a/arch/arm/mach-s3c64xx/Kconfig
+++ b/arch/arm/mach-s3c64xx/Kconfig
@@ -34,6 +34,12 @@ config S3C64XX_DEV_ONENAND1
 	help
 	  Compile in platform device definition for OneNAND1 controller
 
+config SAMSUNG_DEV_BACKLIGHT
+	bool
+	depends on SAMSUNG_DEV_PWM
+	help
+	  Compile in platform device definition LCD backlight with PWM Timer
+
 # platform specific device setup
 
 config S3C64XX_SETUP_I2C0
diff --git a/arch/arm/mach-s3c64xx/Makefile b/arch/arm/mach-s3c64xx/Makefile
index 17f4b07ec..bb233f342 100644
--- a/arch/arm/mach-s3c64xx/Makefile
+++ b/arch/arm/mach-s3c64xx/Makefile
@@ -40,6 +40,8 @@ obj-$(CONFIG_S3C64XX_SETUP_SDHCI_GPIO)	+= setup-sdhci-gpio.o
 obj-$(CONFIG_S3C64XX_SETUP_SPI)		+= setup-spi.o
 obj-$(CONFIG_S3C64XX_SETUP_USB_PHY) += setup-usb-phy.o
 
+obj-$(CONFIG_SAMSUNG_DEV_BACKLIGHT)	+= dev-backlight.o
+
 # Machine support
 
 obj-$(CONFIG_MACH_ANW6410)		+= mach-anw6410.o
diff --git a/arch/arm/mach-s3c64xx/ata-core.h b/arch/arm/mach-s3c64xx/ata-core.h
new file mode 100644
index 000000000..5951f24a9
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/ata-core.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *		http://www.samsung.com
+ *
+ * Samsung CF-ATA Controller core functions
+ *
+ * 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.
+*/
+
+#ifndef __ASM_PLAT_ATA_CORE_H
+#define __ASM_PLAT_ATA_CORE_H __FILE__
+
+/* These functions are only for use with the core support code, such as
+ * the cpu specific initialisation code
+*/
+
+/* re-define device name depending on support. */
+static inline void s3c_cfcon_setname(char *name)
+{
+#ifdef CONFIG_SAMSUNG_DEV_IDE
+	s3c_device_cfcon.name = name;
+#endif
+}
+
+#endif /* __ASM_PLAT_ATA_CORE_H */
diff --git a/arch/arm/mach-s3c64xx/backlight.h b/arch/arm/mach-s3c64xx/backlight.h
new file mode 100644
index 000000000..8dcacac52
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/backlight.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ *              http://www.samsung.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.
+ */
+
+#ifndef __ASM_PLAT_BACKLIGHT_H
+#define __ASM_PLAT_BACKLIGHT_H __FILE__
+
+/* samsung_bl_gpio_info - GPIO info for PWM Backlight control
+ * @no:		GPIO number for PWM timer out
+ * @func:	Special function of GPIO line for PWM timer
+ */
+struct samsung_bl_gpio_info {
+	int no;
+	int func;
+};
+
+extern void __init samsung_bl_set(struct samsung_bl_gpio_info *gpio_info,
+	struct platform_pwm_backlight_data *bl_data);
+
+#endif /* __ASM_PLAT_BACKLIGHT_H */
diff --git a/arch/arm/mach-s3c64xx/common.c b/arch/arm/mach-s3c64xx/common.c
index 16547f264..ddb30b843 100644
--- a/arch/arm/mach-s3c64xx/common.c
+++ b/arch/arm/mach-s3c64xx/common.c
@@ -21,7 +21,6 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/module.h>
-#include <linux/clk-provider.h>
 #include <linux/interrupt.h>
 #include <linux/ioport.h>
 #include <linux/serial_core.h>
@@ -48,12 +47,12 @@
 #include <plat/devs.h>
 #include <plat/pm.h>
 #include <plat/gpio-cfg.h>
-#include <plat/irq-uart.h>
 #include <plat/pwm-core.h>
 #include <plat/regs-irqtype.h>
-#include <plat/watchdog-reset.h>
 
 #include "common.h"
+#include "irq-uart.h"
+#include "watchdog-reset.h"
 
 /* External clock frequency */
 static unsigned long xtal_f = 12000000, xusbxti_f = 48000000;
@@ -389,22 +388,22 @@ static inline void s3c_irq_demux_eint(unsigned int start, unsigned int end)
 	}
 }
 
-static void s3c_irq_demux_eint0_3(unsigned int irq, struct irq_desc *desc)
+static void s3c_irq_demux_eint0_3(struct irq_desc *desc)
 {
 	s3c_irq_demux_eint(0, 3);
 }
 
-static void s3c_irq_demux_eint4_11(unsigned int irq, struct irq_desc *desc)
+static void s3c_irq_demux_eint4_11(struct irq_desc *desc)
 {
 	s3c_irq_demux_eint(4, 11);
 }
 
-static void s3c_irq_demux_eint12_19(unsigned int irq, struct irq_desc *desc)
+static void s3c_irq_demux_eint12_19(struct irq_desc *desc)
 {
 	s3c_irq_demux_eint(12, 19);
 }
 
-static void s3c_irq_demux_eint20_27(unsigned int irq, struct irq_desc *desc)
+static void s3c_irq_demux_eint20_27(struct irq_desc *desc)
 {
 	s3c_irq_demux_eint(20, 27);
 }
@@ -420,7 +419,7 @@ static int __init s3c64xx_init_irq_eint(void)
 	for (irq = IRQ_EINT(0); irq <= IRQ_EINT(27); irq++) {
 		irq_set_chip_and_handler(irq, &s3c_irq_eint, handle_level_irq);
 		irq_set_chip_data(irq, (void *)eint_irq_to_bit(irq));
-		set_irq_flags(irq, IRQF_VALID);
+		irq_clear_status_flags(irq, IRQ_NOREQUEST);
 	}
 
 	irq_set_chained_handler(IRQ_EINT0_3, s3c_irq_demux_eint0_3);
diff --git a/arch/arm/mach-s3c64xx/dev-backlight.c b/arch/arm/mach-s3c64xx/dev-backlight.c
new file mode 100644
index 000000000..38c323e68
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/dev-backlight.c
@@ -0,0 +1,152 @@
+/*
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ *              http://www.samsung.com
+ *
+ * Common infrastructure for PWM Backlight for Samsung boards
+ *
+ * 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.
+ */
+
+#include <linux/gpio.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+#include <linux/pwm_backlight.h>
+
+#include <plat/devs.h>
+#include <plat/gpio-cfg.h>
+
+#include "backlight.h"
+
+struct samsung_bl_drvdata {
+	struct platform_pwm_backlight_data plat_data;
+	struct samsung_bl_gpio_info *gpio_info;
+};
+
+static int samsung_bl_init(struct device *dev)
+{
+	int ret = 0;
+	struct platform_pwm_backlight_data *pdata = dev->platform_data;
+	struct samsung_bl_drvdata *drvdata = container_of(pdata,
+					struct samsung_bl_drvdata, plat_data);
+	struct samsung_bl_gpio_info *bl_gpio_info = drvdata->gpio_info;
+
+	ret = gpio_request(bl_gpio_info->no, "Backlight");
+	if (ret) {
+		printk(KERN_ERR "failed to request GPIO for LCD Backlight\n");
+		return ret;
+	}
+
+	/* Configure GPIO pin with specific GPIO function for PWM timer */
+	s3c_gpio_cfgpin(bl_gpio_info->no, bl_gpio_info->func);
+
+	return 0;
+}
+
+static void samsung_bl_exit(struct device *dev)
+{
+	struct platform_pwm_backlight_data *pdata = dev->platform_data;
+	struct samsung_bl_drvdata *drvdata = container_of(pdata,
+					struct samsung_bl_drvdata, plat_data);
+	struct samsung_bl_gpio_info *bl_gpio_info = drvdata->gpio_info;
+
+	s3c_gpio_cfgpin(bl_gpio_info->no, S3C_GPIO_OUTPUT);
+	gpio_free(bl_gpio_info->no);
+}
+
+/* Initialize few important fields of platform_pwm_backlight_data
+ * structure with default values. These fields can be overridden by
+ * board-specific values sent from machine file.
+ * For ease of operation, these fields are initialized with values
+ * used by most samsung boards.
+ * Users has the option of sending info about other parameters
+ * for their specific boards
+ */
+
+static struct samsung_bl_drvdata samsung_dfl_bl_data __initdata = {
+	.plat_data = {
+		.max_brightness = 255,
+		.dft_brightness = 255,
+		.pwm_period_ns  = 78770,
+		.enable_gpio    = -1,
+		.init           = samsung_bl_init,
+		.exit           = samsung_bl_exit,
+	},
+};
+
+static struct platform_device samsung_dfl_bl_device __initdata = {
+	.name		= "pwm-backlight",
+};
+
+/* samsung_bl_set - Set board specific data (if any) provided by user for
+ * PWM Backlight control and register specific PWM and backlight device.
+ * @gpio_info:	structure containing GPIO info for PWM timer
+ * @bl_data:	structure containing Backlight control data
+ */
+void __init samsung_bl_set(struct samsung_bl_gpio_info *gpio_info,
+	struct platform_pwm_backlight_data *bl_data)
+{
+	int ret = 0;
+	struct platform_device *samsung_bl_device;
+	struct samsung_bl_drvdata *samsung_bl_drvdata;
+	struct platform_pwm_backlight_data *samsung_bl_data;
+
+	samsung_bl_device = kmemdup(&samsung_dfl_bl_device,
+			sizeof(struct platform_device), GFP_KERNEL);
+	if (!samsung_bl_device) {
+		printk(KERN_ERR "%s: no memory for platform dev\n", __func__);
+		return;
+	}
+
+	samsung_bl_drvdata = kmemdup(&samsung_dfl_bl_data,
+				sizeof(samsung_dfl_bl_data), GFP_KERNEL);
+	if (!samsung_bl_drvdata) {
+		printk(KERN_ERR "%s: no memory for platform dev\n", __func__);
+		goto err_data;
+	}
+	samsung_bl_device->dev.platform_data = &samsung_bl_drvdata->plat_data;
+	samsung_bl_drvdata->gpio_info = gpio_info;
+	samsung_bl_data = &samsung_bl_drvdata->plat_data;
+
+	/* Copy board specific data provided by user */
+	samsung_bl_data->pwm_id = bl_data->pwm_id;
+	samsung_bl_device->dev.parent = &samsung_device_pwm.dev;
+
+	if (bl_data->max_brightness)
+		samsung_bl_data->max_brightness = bl_data->max_brightness;
+	if (bl_data->dft_brightness)
+		samsung_bl_data->dft_brightness = bl_data->dft_brightness;
+	if (bl_data->lth_brightness)
+		samsung_bl_data->lth_brightness = bl_data->lth_brightness;
+	if (bl_data->pwm_period_ns)
+		samsung_bl_data->pwm_period_ns = bl_data->pwm_period_ns;
+	if (bl_data->enable_gpio >= 0)
+		samsung_bl_data->enable_gpio = bl_data->enable_gpio;
+	if (bl_data->init)
+		samsung_bl_data->init = bl_data->init;
+	if (bl_data->notify)
+		samsung_bl_data->notify = bl_data->notify;
+	if (bl_data->notify_after)
+		samsung_bl_data->notify_after = bl_data->notify_after;
+	if (bl_data->exit)
+		samsung_bl_data->exit = bl_data->exit;
+	if (bl_data->check_fb)
+		samsung_bl_data->check_fb = bl_data->check_fb;
+
+	/* Register the Backlight dev */
+	ret = platform_device_register(samsung_bl_device);
+	if (ret) {
+		printk(KERN_ERR "failed to register backlight device: %d\n", ret);
+		goto err_plat_reg2;
+	}
+
+	return;
+
+err_plat_reg2:
+	kfree(samsung_bl_data);
+err_data:
+	kfree(samsung_bl_device);
+	return;
+}
diff --git a/arch/arm/mach-s3c64xx/irq-uart.h b/arch/arm/mach-s3c64xx/irq-uart.h
new file mode 100644
index 000000000..4b2961329
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/irq-uart.h
@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2010 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *
+ * Header file for Samsung SoC UART IRQ demux for S3C64XX and later
+ *
+ * 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.
+*/
+
+struct s3c_uart_irq {
+	void __iomem	*regs;
+	unsigned int	 base_irq;
+	unsigned int	 parent_irq;
+};
+
+extern void s3c_init_uart_irqs(struct s3c_uart_irq *irq, unsigned int nr_irqs);
+
diff --git a/arch/arm/mach-s3c64xx/mach-s3c64xx-dt.c b/arch/arm/mach-s3c64xx/mach-s3c64xx-dt.c
index 2fddf3819..bbf74edd3 100644
--- a/arch/arm/mach-s3c64xx/mach-s3c64xx-dt.c
+++ b/arch/arm/mach-s3c64xx/mach-s3c64xx-dt.c
@@ -15,11 +15,10 @@
 #include <asm/system_misc.h>
 
 #include <plat/cpu.h>
-#include <plat/watchdog-reset.h>
-
 #include <mach/map.h>
 
 #include "common.h"
+#include "watchdog-reset.h"
 
 /*
  * IO mapping for shared system controller IP.
@@ -61,7 +60,7 @@ static void s3c64xx_dt_restart(enum reboot_mode mode, const char *cmd)
 	soft_restart(0);
 }
 
-static char const *s3c64xx_dt_compat[] __initdata = {
+static const char *const s3c64xx_dt_compat[] __initconst = {
 	"samsung,s3c6400",
 	"samsung,s3c6410",
 	NULL
diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c
index b7447a922..d590b88bd 100644
--- a/arch/arm/mach-s3c64xx/mach-smdk6410.c
+++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c
@@ -68,9 +68,9 @@
 #include <plat/adc.h>
 #include <linux/platform_data/touchscreen-s3c2410.h>
 #include <plat/keypad.h>
-#include <plat/backlight.h>
 #include <plat/samsung-time.h>
 
+#include "backlight.h"
 #include "common.h"
 #include "regs-modem.h"
 #include "regs-srom.h"
diff --git a/arch/arm/mach-s3c64xx/onenand-core.h b/arch/arm/mach-s3c64xx/onenand-core.h
new file mode 100644
index 000000000..925eb13bb
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/onenand-core.h
@@ -0,0 +1,35 @@
+/*
+ *  Copyright (c) 2010 Samsung Electronics
+ *  Kyungmin Park <kyungmin.park@samsung.com>
+ *  Marek Szyprowski <m.szyprowski@samsung.com>
+ *
+ * Samsung OneNAD Controller core functions
+ *
+ * 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.
+*/
+
+#ifndef __ASM_ARCH_ONENAND_CORE_H
+#define __ASM_ARCH_ONENAND_CORE_H __FILE__
+
+/* These functions are only for use with the core support code, such as
+ * the cpu specific initialisation code
+ */
+
+/* re-define device name depending on support. */
+static inline void s3c_onenand_setname(char *name)
+{
+#ifdef CONFIG_S3C_DEV_ONENAND
+	s3c_device_onenand.name = name;
+#endif
+}
+
+static inline void s3c64xx_onenand1_setname(char *name)
+{
+#ifdef CONFIG_S3C64XX_DEV_ONENAND1
+	s3c64xx_device_onenand1.name = name;
+#endif
+}
+
+#endif /* __ASM_ARCH_ONENAND_CORE_H */
diff --git a/arch/arm/mach-s3c64xx/regs-usb-hsotg-phy.h b/arch/arm/mach-s3c64xx/regs-usb-hsotg-phy.h
new file mode 100644
index 000000000..eae3c311e
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/regs-usb-hsotg-phy.h
@@ -0,0 +1,50 @@
+/*
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ *      http://armlinux.simtec.co.uk/
+ *      Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C - USB2.0 Highspeed/OtG device PHY registers
+ *
+ * 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.
+*/
+
+/* Note, this is a separate header file as some of the clock framework
+ * needs to touch this if the clk_48m is used as the USB OHCI or other
+ * peripheral source.
+*/
+
+#ifndef __PLAT_S3C64XX_REGS_USB_HSOTG_PHY_H
+#define __PLAT_S3C64XX_REGS_USB_HSOTG_PHY_H __FILE__
+
+/* S3C64XX_PA_USB_HSPHY */
+
+#define S3C_HSOTG_PHYREG(x)	((x) + S3C_VA_USB_HSPHY)
+
+#define S3C_PHYPWR				S3C_HSOTG_PHYREG(0x00)
+#define S3C_PHYPWR_NORMAL_MASK			(0x19 << 0)
+#define S3C_PHYPWR_OTG_DISABLE			(1 << 4)
+#define S3C_PHYPWR_ANALOG_POWERDOWN		(1 << 3)
+#define SRC_PHYPWR_FORCE_SUSPEND		(1 << 1)
+
+#define S3C_PHYCLK				S3C_HSOTG_PHYREG(0x04)
+#define S3C_PHYCLK_MODE_USB11			(1 << 6)
+#define S3C_PHYCLK_EXT_OSC			(1 << 5)
+#define S3C_PHYCLK_CLK_FORCE			(1 << 4)
+#define S3C_PHYCLK_ID_PULL			(1 << 2)
+#define S3C_PHYCLK_CLKSEL_MASK			(0x3 << 0)
+#define S3C_PHYCLK_CLKSEL_SHIFT			(0)
+#define S3C_PHYCLK_CLKSEL_48M			(0x0 << 0)
+#define S3C_PHYCLK_CLKSEL_12M			(0x2 << 0)
+#define S3C_PHYCLK_CLKSEL_24M			(0x3 << 0)
+
+#define S3C_RSTCON				S3C_HSOTG_PHYREG(0x08)
+#define S3C_RSTCON_PHYCLK			(1 << 2)
+#define S3C_RSTCON_HCLK				(1 << 1)
+#define S3C_RSTCON_PHY				(1 << 0)
+
+#define S3C_PHYTUNE				S3C_HSOTG_PHYREG(0x20)
+
+#endif /* __PLAT_S3C64XX_REGS_USB_HSOTG_PHY_H */
diff --git a/arch/arm/mach-s3c64xx/s3c6400.c b/arch/arm/mach-s3c64xx/s3c6400.c
index 1ce48c54c..33273abef 100644
--- a/arch/arm/mach-s3c64xx/s3c6400.c
+++ b/arch/arm/mach-s3c64xx/s3c6400.c
@@ -41,9 +41,9 @@
 #include <plat/devs.h>
 #include <plat/sdhci.h>
 #include <plat/iic-core.h>
-#include <plat/onenand-core.h>
 
 #include "common.h"
+#include "onenand-core.h"
 
 void __init s3c6400_map_io(void)
 {
diff --git a/arch/arm/mach-s3c64xx/s3c6410.c b/arch/arm/mach-s3c64xx/s3c6410.c
index b2a793054..eadc48dee 100644
--- a/arch/arm/mach-s3c64xx/s3c6410.c
+++ b/arch/arm/mach-s3c64xx/s3c6410.c
@@ -41,12 +41,12 @@
 #include <plat/cpu.h>
 #include <plat/devs.h>
 #include <plat/sdhci.h>
-#include <plat/ata-core.h>
 #include <plat/adc-core.h>
 #include <plat/iic-core.h>
-#include <plat/onenand-core.h>
 
+#include "ata-core.h"
 #include "common.h"
+#include "onenand-core.h"
 
 void __init s3c6410_map_io(void)
 {
diff --git a/arch/arm/mach-s3c64xx/setup-usb-phy.c b/arch/arm/mach-s3c64xx/setup-usb-phy.c
index ca960bda0..2b17b7f51 100644
--- a/arch/arm/mach-s3c64xx/setup-usb-phy.c
+++ b/arch/arm/mach-s3c64xx/setup-usb-phy.c
@@ -16,10 +16,10 @@
 #include <linux/platform_device.h>
 #include <mach/map.h>
 #include <plat/cpu.h>
-#include <plat/regs-usb-hsotg-phy.h>
 #include <plat/usb-phy.h>
 
 #include "regs-sys.h"
+#include "regs-usb-hsotg-phy.h"
 
 static int s3c_usb_otgphy_init(struct platform_device *pdev)
 {
diff --git a/arch/arm/mach-s3c64xx/watchdog-reset.h b/arch/arm/mach-s3c64xx/watchdog-reset.h
new file mode 100644
index 000000000..42707dfbd
--- /dev/null
+++ b/arch/arm/mach-s3c64xx/watchdog-reset.h
@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2008 Simtec Electronics
+ *	Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C2410 - System define for arch_reset() function
+ *
+ * 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.
+*/
+
+#ifndef __PLAT_SAMSUNG_WATCHDOG_RESET_H
+#define __PLAT_SAMSUNG_WATCHDOG_RESET_H
+
+extern void samsung_wdt_reset(void);
+extern void samsung_wdt_reset_of_init(void);
+extern void samsung_wdt_reset_init(void __iomem *base);
+
+#endif /* __PLAT_SAMSUNG_WATCHDOG_RESET_H */