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-rw-r--r--arch/arm/mach-s3c/include/plat/adc-core.h24
-rw-r--r--arch/arm/mach-s3c/include/plat/cpu.h128
-rw-r--r--arch/arm/mach-s3c/include/plat/devs.h96
-rw-r--r--arch/arm/mach-s3c/include/plat/fb.h31
-rw-r--r--arch/arm/mach-s3c/include/plat/gpio-cfg-helpers.h159
-rw-r--r--arch/arm/mach-s3c/include/plat/gpio-cfg.h178
-rw-r--r--arch/arm/mach-s3c/include/plat/gpio-core.h142
-rw-r--r--arch/arm/mach-s3c/include/plat/iic-core.h38
-rw-r--r--arch/arm/mach-s3c/include/plat/keypad.h27
-rw-r--r--arch/arm/mach-s3c/include/plat/map-base.h42
-rw-r--r--arch/arm/mach-s3c/include/plat/map-s3c.h70
-rw-r--r--arch/arm/mach-s3c/include/plat/map-s5p.h20
-rw-r--r--arch/arm/mach-s3c/include/plat/pm-common.h40
-rw-r--r--arch/arm/mach-s3c/include/plat/pm.h109
-rw-r--r--arch/arm/mach-s3c/include/plat/pwm-core.h19
-rw-r--r--arch/arm/mach-s3c/include/plat/regs-adc.h64
-rw-r--r--arch/arm/mach-s3c/include/plat/regs-irqtype.h17
-rw-r--r--arch/arm/mach-s3c/include/plat/sdhci.h162
-rw-r--r--arch/arm/mach-s3c/include/plat/usb-phy.h13
-rw-r--r--arch/arm/mach-s3c/include/plat/wakeup-mask.h39
20 files changed, 1418 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c/include/plat/adc-core.h b/arch/arm/mach-s3c/include/plat/adc-core.h
new file mode 100644
index 000000000000..039f6862b6a7
--- /dev/null
+++ b/arch/arm/mach-s3c/include/plat/adc-core.h
@@ -0,0 +1,24 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * Samsung ADC Controller core functions
+ */
+
+#ifndef __ASM_PLAT_ADC_CORE_H
+#define __ASM_PLAT_ADC_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_adc_setname(char *name)
+{
+#if defined(CONFIG_SAMSUNG_DEV_ADC) || defined(CONFIG_PLAT_S3C24XX)
+ s3c_device_adc.name = name;
+#endif
+}
+
+#endif /* __ASM_PLAT_ADC_CORE_H */
diff --git a/arch/arm/mach-s3c/include/plat/cpu.h b/arch/arm/mach-s3c/include/plat/cpu.h
new file mode 100644
index 000000000000..20ff98d05c53
--- /dev/null
+++ b/arch/arm/mach-s3c/include/plat/cpu.h
@@ -0,0 +1,128 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * Copyright (c) 2004-2005 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * Header file for Samsung CPU support
+ */
+
+/* todo - fix when rmk changes iodescs to use `void __iomem *` */
+
+#ifndef __SAMSUNG_PLAT_CPU_H
+#define __SAMSUNG_PLAT_CPU_H
+
+extern unsigned long samsung_cpu_id;
+
+#define S3C2410_CPU_ID 0x32410000
+#define S3C2410_CPU_MASK 0xFFFFFFFF
+
+#define S3C24XX_CPU_ID 0x32400000
+#define S3C24XX_CPU_MASK 0xFFF00000
+
+#define S3C2412_CPU_ID 0x32412000
+#define S3C2412_CPU_MASK 0xFFFFF000
+
+#define S3C6400_CPU_ID 0x36400000
+#define S3C6410_CPU_ID 0x36410000
+#define S3C64XX_CPU_MASK 0xFFFFF000
+
+#define S5PV210_CPU_ID 0x43110000
+#define S5PV210_CPU_MASK 0xFFFFF000
+
+#define IS_SAMSUNG_CPU(name, id, mask) \
+static inline int is_samsung_##name(void) \
+{ \
+ return ((samsung_cpu_id & mask) == (id & mask)); \
+}
+
+IS_SAMSUNG_CPU(s3c2410, S3C2410_CPU_ID, S3C2410_CPU_MASK)
+IS_SAMSUNG_CPU(s3c24xx, S3C24XX_CPU_ID, S3C24XX_CPU_MASK)
+IS_SAMSUNG_CPU(s3c2412, S3C2412_CPU_ID, S3C2412_CPU_MASK)
+IS_SAMSUNG_CPU(s3c6400, S3C6400_CPU_ID, S3C64XX_CPU_MASK)
+IS_SAMSUNG_CPU(s3c6410, S3C6410_CPU_ID, S3C64XX_CPU_MASK)
+
+#if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \
+ defined(CONFIG_CPU_S3C2416) || defined(CONFIG_CPU_S3C2440) || \
+ defined(CONFIG_CPU_S3C2442) || defined(CONFIG_CPU_S3C244X) || \
+ defined(CONFIG_CPU_S3C2443)
+# define soc_is_s3c24xx() is_samsung_s3c24xx()
+# define soc_is_s3c2410() is_samsung_s3c2410()
+#else
+# define soc_is_s3c24xx() 0
+# define soc_is_s3c2410() 0
+#endif
+
+#if defined(CONFIG_CPU_S3C2412)
+# define soc_is_s3c2412() is_samsung_s3c2412()
+#else
+# define soc_is_s3c2412() 0
+#endif
+
+#if defined(CONFIG_CPU_S3C6400) || defined(CONFIG_CPU_S3C6410)
+# define soc_is_s3c6400() is_samsung_s3c6400()
+# define soc_is_s3c6410() is_samsung_s3c6410()
+# define soc_is_s3c64xx() (is_samsung_s3c6400() || is_samsung_s3c6410())
+#else
+# define soc_is_s3c6400() 0
+# define soc_is_s3c6410() 0
+# define soc_is_s3c64xx() 0
+#endif
+
+#define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE }
+
+#ifndef KHZ
+#define KHZ (1000)
+#endif
+
+#ifndef MHZ
+#define MHZ (1000*1000)
+#endif
+
+#define print_mhz(m) ((m) / MHZ), (((m) / 1000) % 1000)
+
+/* forward declaration */
+struct s3c24xx_uart_resources;
+struct platform_device;
+struct s3c2410_uartcfg;
+struct map_desc;
+
+/* per-cpu initialisation function table. */
+
+struct cpu_table {
+ unsigned long idcode;
+ unsigned long idmask;
+ void (*map_io)(void);
+ void (*init_uarts)(struct s3c2410_uartcfg *cfg, int no);
+ void (*init_clocks)(int xtal);
+ int (*init)(void);
+ const char *name;
+};
+
+extern void s3c_init_cpu(unsigned long idcode,
+ struct cpu_table *cpus, unsigned int cputab_size);
+
+/* core initialisation functions */
+
+extern void s3c24xx_init_io(struct map_desc *mach_desc, int size);
+
+extern void s3c64xx_init_cpu(void);
+
+extern void s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no);
+
+extern void s3c24xx_init_clocks(int xtal);
+
+extern void s3c24xx_init_uartdevs(char *name,
+ struct s3c24xx_uart_resources *res,
+ struct s3c2410_uartcfg *cfg, int no);
+
+extern struct syscore_ops s3c2410_pm_syscore_ops;
+extern struct syscore_ops s3c2412_pm_syscore_ops;
+extern struct syscore_ops s3c2416_pm_syscore_ops;
+extern struct syscore_ops s3c244x_pm_syscore_ops;
+
+extern struct bus_type s3c6410_subsys;
+
+#endif
diff --git a/arch/arm/mach-s3c/include/plat/devs.h b/arch/arm/mach-s3c/include/plat/devs.h
new file mode 100644
index 000000000000..02b0c5750572
--- /dev/null
+++ b/arch/arm/mach-s3c/include/plat/devs.h
@@ -0,0 +1,96 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * Copyright (c) 2004 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * Header file for s3c2410 standard platform devices
+ */
+
+#ifndef __PLAT_DEVS_H
+#define __PLAT_DEVS_H __FILE__
+
+#include <linux/platform_device.h>
+
+struct s3c24xx_uart_resources {
+ struct resource *resources;
+ unsigned long nr_resources;
+};
+
+extern struct s3c24xx_uart_resources s3c2410_uart_resources[];
+extern struct s3c24xx_uart_resources s3c64xx_uart_resources[];
+
+extern struct platform_device *s3c24xx_uart_devs[];
+extern struct platform_device *s3c24xx_uart_src[];
+
+extern struct platform_device s3c64xx_device_ac97;
+extern struct platform_device s3c64xx_device_iis0;
+extern struct platform_device s3c64xx_device_iis1;
+extern struct platform_device s3c64xx_device_iisv4;
+extern struct platform_device s3c64xx_device_onenand1;
+extern struct platform_device s3c64xx_device_pcm0;
+extern struct platform_device s3c64xx_device_pcm1;
+extern struct platform_device s3c64xx_device_spi0;
+extern struct platform_device s3c64xx_device_spi1;
+extern struct platform_device s3c64xx_device_spi2;
+
+extern struct platform_device s3c_device_adc;
+extern struct platform_device s3c_device_cfcon;
+extern struct platform_device s3c_device_fb;
+extern struct platform_device s3c_device_hwmon;
+extern struct platform_device s3c_device_hsmmc0;
+extern struct platform_device s3c_device_hsmmc1;
+extern struct platform_device s3c_device_hsmmc2;
+extern struct platform_device s3c_device_hsmmc3;
+extern struct platform_device s3c_device_i2c0;
+extern struct platform_device s3c_device_i2c1;
+extern struct platform_device s3c_device_i2c2;
+extern struct platform_device s3c_device_i2c3;
+extern struct platform_device s3c_device_i2c4;
+extern struct platform_device s3c_device_i2c5;
+extern struct platform_device s3c_device_i2c6;
+extern struct platform_device s3c_device_i2c7;
+extern struct platform_device s3c_device_iis;
+extern struct platform_device s3c_device_lcd;
+extern struct platform_device s3c_device_nand;
+extern struct platform_device s3c_device_ohci;
+extern struct platform_device s3c_device_onenand;
+extern struct platform_device s3c_device_rtc;
+extern struct platform_device s3c_device_sdi;
+extern struct platform_device s3c_device_spi0;
+extern struct platform_device s3c_device_spi1;
+extern struct platform_device s3c_device_ts;
+extern struct platform_device s3c_device_timer[];
+extern struct platform_device s3c_device_usbgadget;
+extern struct platform_device s3c_device_usb_hsotg;
+extern struct platform_device s3c_device_usb_hsudc;
+extern struct platform_device s3c_device_wdt;
+
+extern struct platform_device samsung_asoc_idma;
+extern struct platform_device samsung_device_keypad;
+extern struct platform_device samsung_device_pwm;
+
+/* s3c2440 specific devices */
+
+#ifdef CONFIG_CPU_S3C2440
+
+extern struct platform_device s3c_device_camif;
+extern struct platform_device s3c_device_ac97;
+
+#endif
+
+/**
+ * s3c_set_platdata() - helper for setting platform data
+ * @pd: The default platform data for this device.
+ * @pdsize: The size of the platform data.
+ * @pdev: Pointer to the device to fill in.
+ *
+ * This helper replaces a number of calls that copy and then set the
+ * platform data of the device.
+ */
+extern void *s3c_set_platdata(void *pd, size_t pdsize,
+ struct platform_device *pdev);
+
+#endif /* __PLAT_DEVS_H */
diff --git a/arch/arm/mach-s3c/include/plat/fb.h b/arch/arm/mach-s3c/include/plat/fb.h
new file mode 100644
index 000000000000..615d381ae32e
--- /dev/null
+++ b/arch/arm/mach-s3c/include/plat/fb.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ * http://armlinux.simtec.co.uk/
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C - FB platform data definitions
+ */
+
+#ifndef __PLAT_S3C_FB_H
+#define __PLAT_S3C_FB_H __FILE__
+
+#include <linux/platform_data/video_s3c.h>
+
+/**
+ * s3c_fb_set_platdata() - Setup the FB device with platform data.
+ * @pd: The platform data to set. The data is copied from the passed structure
+ * so the machine data can mark the data __initdata so that any unused
+ * machines will end up dumping their data at runtime.
+ */
+extern void s3c_fb_set_platdata(struct s3c_fb_platdata *pd);
+
+/**
+ * s3c64xx_fb_gpio_setup_24bpp() - S3C64XX setup function for 24bpp LCD
+ *
+ * Initialise the GPIO for an 24bpp LCD display on the RGB interface.
+ */
+extern void s3c64xx_fb_gpio_setup_24bpp(void);
+
+#endif /* __PLAT_S3C_FB_H */
diff --git a/arch/arm/mach-s3c/include/plat/gpio-cfg-helpers.h b/arch/arm/mach-s3c/include/plat/gpio-cfg-helpers.h
new file mode 100644
index 000000000000..db0c56f5ca15
--- /dev/null
+++ b/arch/arm/mach-s3c/include/plat/gpio-cfg-helpers.h
@@ -0,0 +1,159 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ * http://armlinux.simtec.co.uk/
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * Samsung Platform - GPIO pin configuration helper definitions
+ */
+
+/* This is meant for core cpu support, machine or other driver files
+ * should not be including this header.
+ */
+
+#ifndef __PLAT_GPIO_CFG_HELPERS_H
+#define __PLAT_GPIO_CFG_HELPERS_H __FILE__
+
+/* As a note, all gpio configuration functions are entered exclusively, either
+ * with the relevant lock held or the system prevented from doing anything else
+ * by disabling interrupts.
+*/
+
+static inline int samsung_gpio_do_setcfg(struct samsung_gpio_chip *chip,
+ unsigned int off, unsigned int config)
+{
+ return (chip->config->set_config)(chip, off, config);
+}
+
+static inline unsigned samsung_gpio_do_getcfg(struct samsung_gpio_chip *chip,
+ unsigned int off)
+{
+ return (chip->config->get_config)(chip, off);
+}
+
+static inline int samsung_gpio_do_setpull(struct samsung_gpio_chip *chip,
+ unsigned int off, samsung_gpio_pull_t pull)
+{
+ return (chip->config->set_pull)(chip, off, pull);
+}
+
+static inline samsung_gpio_pull_t samsung_gpio_do_getpull(struct samsung_gpio_chip *chip,
+ unsigned int off)
+{
+ return chip->config->get_pull(chip, off);
+}
+
+/* Pull-{up,down} resistor controls.
+ *
+ * S3C2410,S3C2440 = Pull-UP,
+ * S3C2412,S3C2413 = Pull-Down
+ * S3C6400,S3C6410 = Pull-Both [None,Down,Up,Undef]
+ * S3C2443 = Pull-Both [not same as S3C6400]
+ */
+
+/**
+ * s3c24xx_gpio_setpull_1up() - Pull configuration for choice of up or none.
+ * @chip: The gpio chip that is being configured.
+ * @off: The offset for the GPIO being configured.
+ * @param: pull: The pull mode being requested.
+ *
+ * This is a helper function for the case where we have GPIOs with one
+ * bit configuring the presence of a pull-up resistor.
+ */
+extern int s3c24xx_gpio_setpull_1up(struct samsung_gpio_chip *chip,
+ unsigned int off, samsung_gpio_pull_t pull);
+
+/**
+ * s3c24xx_gpio_setpull_1down() - Pull configuration for choice of down or none
+ * @chip: The gpio chip that is being configured
+ * @off: The offset for the GPIO being configured
+ * @param: pull: The pull mode being requested
+ *
+ * This is a helper function for the case where we have GPIOs with one
+ * bit configuring the presence of a pull-down resistor.
+ */
+extern int s3c24xx_gpio_setpull_1down(struct samsung_gpio_chip *chip,
+ unsigned int off, samsung_gpio_pull_t pull);
+
+/**
+ * samsung_gpio_setpull_upown() - Pull configuration for choice of up,
+ * down or none
+ *
+ * @chip: The gpio chip that is being configured.
+ * @off: The offset for the GPIO being configured.
+ * @param: pull: The pull mode being requested.
+ *
+ * This is a helper function for the case where we have GPIOs with two
+ * bits configuring the presence of a pull resistor, in the following
+ * order:
+ * 00 = No pull resistor connected
+ * 01 = Pull-up resistor connected
+ * 10 = Pull-down resistor connected
+ */
+extern int samsung_gpio_setpull_updown(struct samsung_gpio_chip *chip,
+ unsigned int off, samsung_gpio_pull_t pull);
+
+/**
+ * samsung_gpio_getpull_updown() - Get configuration for choice of up,
+ * down or none
+ *
+ * @chip: The gpio chip that the GPIO pin belongs to
+ * @off: The offset to the pin to get the configuration of.
+ *
+ * This helper function reads the state of the pull-{up,down} resistor
+ * for the given GPIO in the same case as samsung_gpio_setpull_upown.
+*/
+extern samsung_gpio_pull_t samsung_gpio_getpull_updown(struct samsung_gpio_chip *chip,
+ unsigned int off);
+
+/**
+ * s3c24xx_gpio_getpull_1up() - Get configuration for choice of up or none
+ * @chip: The gpio chip that the GPIO pin belongs to
+ * @off: The offset to the pin to get the configuration of.
+ *
+ * This helper function reads the state of the pull-up resistor for the
+ * given GPIO in the same case as s3c24xx_gpio_setpull_1up.
+*/
+extern samsung_gpio_pull_t s3c24xx_gpio_getpull_1up(struct samsung_gpio_chip *chip,
+ unsigned int off);
+
+/**
+ * s3c24xx_gpio_getpull_1down() - Get configuration for choice of down or none
+ * @chip: The gpio chip that the GPIO pin belongs to
+ * @off: The offset to the pin to get the configuration of.
+ *
+ * This helper function reads the state of the pull-down resistor for the
+ * given GPIO in the same case as s3c24xx_gpio_setpull_1down.
+*/
+extern samsung_gpio_pull_t s3c24xx_gpio_getpull_1down(struct samsung_gpio_chip *chip,
+ unsigned int off);
+
+/**
+ * s3c2443_gpio_setpull() - Pull configuration for s3c2443.
+ * @chip: The gpio chip that is being configured.
+ * @off: The offset for the GPIO being configured.
+ * @param: pull: The pull mode being requested.
+ *
+ * This is a helper function for the case where we have GPIOs with two
+ * bits configuring the presence of a pull resistor, in the following
+ * order:
+ * 00 = Pull-up resistor connected
+ * 10 = Pull-down resistor connected
+ * x1 = No pull up resistor
+ */
+extern int s3c2443_gpio_setpull(struct samsung_gpio_chip *chip,
+ unsigned int off, samsung_gpio_pull_t pull);
+
+/**
+ * s3c2443_gpio_getpull() - Get configuration for s3c2443 pull resistors
+ * @chip: The gpio chip that the GPIO pin belongs to.
+ * @off: The offset to the pin to get the configuration of.
+ *
+ * This helper function reads the state of the pull-{up,down} resistor for the
+ * given GPIO in the same case as samsung_gpio_setpull_upown.
+*/
+extern samsung_gpio_pull_t s3c2443_gpio_getpull(struct samsung_gpio_chip *chip,
+ unsigned int off);
+
+#endif /* __PLAT_GPIO_CFG_HELPERS_H */
diff --git a/arch/arm/mach-s3c/include/plat/gpio-cfg.h b/arch/arm/mach-s3c/include/plat/gpio-cfg.h
new file mode 100644
index 000000000000..469c220e092b
--- /dev/null
+++ b/arch/arm/mach-s3c/include/plat/gpio-cfg.h
@@ -0,0 +1,178 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ * http://armlinux.simtec.co.uk/
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C Platform - GPIO pin configuration
+ */
+
+/* This file contains the necessary definitions to get the basic gpio
+ * pin configuration done such as setting a pin to input or output or
+ * changing the pull-{up,down} configurations.
+ */
+
+/* Note, this interface is being added to the s3c64xx arch first and will
+ * be added to the s3c24xx systems later.
+ */
+
+#ifndef __PLAT_GPIO_CFG_H
+#define __PLAT_GPIO_CFG_H __FILE__
+
+#include <linux/types.h>
+
+typedef unsigned int __bitwise samsung_gpio_pull_t;
+
+/* forward declaration if gpio-core.h hasn't been included */
+struct samsung_gpio_chip;
+
+/**
+ * struct samsung_gpio_cfg GPIO configuration
+ * @cfg_eint: Configuration setting when used for external interrupt source
+ * @get_pull: Read the current pull configuration for the GPIO
+ * @set_pull: Set the current pull configuration for the GPIO
+ * @set_config: Set the current configuration for the GPIO
+ * @get_config: Read the current configuration for the GPIO
+ *
+ * Each chip can have more than one type of GPIO bank available and some
+ * have different capabilites even when they have the same control register
+ * layouts. Provide an point to vector control routine and provide any
+ * per-bank configuration information that other systems such as the
+ * external interrupt code will need.
+ *
+ * @sa samsung_gpio_cfgpin
+ * @sa s3c_gpio_getcfg
+ * @sa s3c_gpio_setpull
+ * @sa s3c_gpio_getpull
+ */
+struct samsung_gpio_cfg {
+ unsigned int cfg_eint;
+
+ samsung_gpio_pull_t (*get_pull)(struct samsung_gpio_chip *chip, unsigned offs);
+ int (*set_pull)(struct samsung_gpio_chip *chip, unsigned offs,
+ samsung_gpio_pull_t pull);
+
+ unsigned (*get_config)(struct samsung_gpio_chip *chip, unsigned offs);
+ int (*set_config)(struct samsung_gpio_chip *chip, unsigned offs,
+ unsigned config);
+};
+
+#define S3C_GPIO_SPECIAL_MARK (0xfffffff0)
+#define S3C_GPIO_SPECIAL(x) (S3C_GPIO_SPECIAL_MARK | (x))
+
+/* Defines for generic pin configurations */
+#define S3C_GPIO_INPUT (S3C_GPIO_SPECIAL(0))
+#define S3C_GPIO_OUTPUT (S3C_GPIO_SPECIAL(1))
+#define S3C_GPIO_SFN(x) (S3C_GPIO_SPECIAL(x))
+
+#define samsung_gpio_is_cfg_special(_cfg) \
+ (((_cfg) & S3C_GPIO_SPECIAL_MARK) == S3C_GPIO_SPECIAL_MARK)
+
+/**
+ * s3c_gpio_cfgpin() - Change the GPIO function of a pin.
+ * @pin pin The pin number to configure.
+ * @to to The configuration for the pin's function.
+ *
+ * Configure which function is actually connected to the external
+ * pin, such as an gpio input, output or some form of special function
+ * connected to an internal peripheral block.
+ *
+ * The @to parameter can be one of the generic S3C_GPIO_INPUT, S3C_GPIO_OUTPUT
+ * or S3C_GPIO_SFN() to indicate one of the possible values that the helper
+ * will then generate the correct bit mask and shift for the configuration.
+ *
+ * If a bank of GPIOs all needs to be set to special-function 2, then
+ * the following code will work:
+ *
+ * for (gpio = start; gpio < end; gpio++)
+ * s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2));
+ *
+ * The @to parameter can also be a specific value already shifted to the
+ * correct position in the control register, although these are discouraged
+ * in newer kernels and are only being kept for compatibility.
+ */
+extern int s3c_gpio_cfgpin(unsigned int pin, unsigned int to);
+
+/**
+ * s3c_gpio_getcfg - Read the current function for a GPIO pin
+ * @pin: The pin to read the configuration value for.
+ *
+ * Read the configuration state of the given @pin, returning a value that
+ * could be passed back to s3c_gpio_cfgpin().
+ *
+ * @sa s3c_gpio_cfgpin
+ */
+extern unsigned s3c_gpio_getcfg(unsigned int pin);
+
+/**
+ * s3c_gpio_cfgpin_range() - Change the GPIO function for configuring pin range
+ * @start: The pin number to start at
+ * @nr: The number of pins to configure from @start.
+ * @cfg: The configuration for the pin's function
+ *
+ * Call s3c_gpio_cfgpin() for the @nr pins starting at @start.
+ *
+ * @sa s3c_gpio_cfgpin.
+ */
+extern int s3c_gpio_cfgpin_range(unsigned int start, unsigned int nr,
+ unsigned int cfg);
+
+/* Define values for the pull-{up,down} available for each gpio pin.
+ *
+ * These values control the state of the weak pull-{up,down} resistors
+ * available on most pins on the S3C series. Not all chips support both
+ * up or down settings, and it may be dependent on the chip that is being
+ * used to whether the particular mode is available.
+ */
+#define S3C_GPIO_PULL_NONE ((__force samsung_gpio_pull_t)0x00)
+#define S3C_GPIO_PULL_DOWN ((__force samsung_gpio_pull_t)0x01)
+#define S3C_GPIO_PULL_UP ((__force samsung_gpio_pull_t)0x02)
+
+/**
+ * s3c_gpio_setpull() - set the state of a gpio pin pull resistor
+ * @pin: The pin number to configure the pull resistor.
+ * @pull: The configuration for the pull resistor.
+ *
+ * This function sets the state of the pull-{up,down} resistor for the
+ * specified pin. It will return 0 if successful, or a negative error
+ * code if the pin cannot support the requested pull setting.
+ *
+ * @pull is one of S3C_GPIO_PULL_NONE, S3C_GPIO_PULL_DOWN or S3C_GPIO_PULL_UP.
+*/
+extern int s3c_gpio_setpull(unsigned int pin, samsung_gpio_pull_t pull);
+
+/**
+ * s3c_gpio_getpull() - get the pull resistor state of a gpio pin
+ * @pin: The pin number to get the settings for
+ *
+ * Read the pull resistor value for the specified pin.
+*/
+extern samsung_gpio_pull_t s3c_gpio_getpull(unsigned int pin);
+
+/* configure `all` aspects of an gpio */
+
+/**
+ * s3c_gpio_cfgall_range() - configure range of gpio functtion and pull.
+ * @start: The gpio number to start at.
+ * @nr: The number of gpio to configure from @start.
+ * @cfg: The configuration to use
+ * @pull: The pull setting to use.
+ *
+ * Run s3c_gpio_cfgpin() and s3c_gpio_setpull() over the gpio range starting
+ * @gpio and running for @size.
+ *
+ * @sa s3c_gpio_cfgpin
+ * @sa s3c_gpio_setpull
+ * @sa s3c_gpio_cfgpin_range
+ */
+extern int s3c_gpio_cfgall_range(unsigned int start, unsigned int nr,
+ unsigned int cfg, samsung_gpio_pull_t pull);
+
+static inline int s3c_gpio_cfgrange_nopull(unsigned int pin, unsigned int size,
+ unsigned int cfg)
+{
+ return s3c_gpio_cfgall_range(pin, size, cfg, S3C_GPIO_PULL_NONE);
+}
+
+#endif /* __PLAT_GPIO_CFG_H */
diff --git a/arch/arm/mach-s3c/include/plat/gpio-core.h b/arch/arm/mach-s3c/include/plat/gpio-core.h
new file mode 100644
index 000000000000..c0bfceb88340
--- /dev/null
+++ b/arch/arm/mach-s3c/include/plat/gpio-core.h
@@ -0,0 +1,142 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2008 Simtec Electronics
+ * http://armlinux.simtec.co.uk/
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C Platform - GPIO core
+ */
+
+#ifndef __PLAT_SAMSUNG_GPIO_CORE_H
+#define __PLAT_SAMSUNG_GPIO_CORE_H
+
+/* Bring in machine-local definitions, especially S3C_GPIO_END */
+#include <mach/gpio-samsung.h>
+#include <linux/gpio/driver.h>
+
+#define GPIOCON_OFF (0x00)
+#define GPIODAT_OFF (0x04)
+
+#define con_4bit_shift(__off) ((__off) * 4)
+
+/* Define the core gpiolib support functions that the s3c platforms may
+ * need to extend or change depending on the hardware and the s3c chip
+ * selected at build or found at run time.
+ *
+ * These definitions are not intended for driver inclusion, there is
+ * nothing here that should not live outside the platform and core
+ * specific code.
+*/
+
+struct samsung_gpio_chip;
+
+/**
+ * struct samsung_gpio_pm - power management (suspend/resume) information
+ * @save: Routine to save the state of the GPIO block
+ * @resume: Routine to resume the GPIO block.
+ */
+struct samsung_gpio_pm {
+ void (*save)(struct samsung_gpio_chip *chip);
+ void (*resume)(struct samsung_gpio_chip *chip);
+};
+
+struct samsung_gpio_cfg;
+
+/**
+ * struct samsung_gpio_chip - wrapper for specific implementation of gpio
+ * @chip: The chip structure to be exported via gpiolib.
+ * @base: The base pointer to the gpio configuration registers.
+ * @group: The group register number for gpio interrupt support.
+ * @irq_base: The base irq number.
+ * @config: special function and pull-resistor control information.
+ * @lock: Lock for exclusive access to this gpio bank.
+ * @pm_save: Save information for suspend/resume support.
+ * @bitmap_gpio_int: Bitmap for representing GPIO interrupt or not.
+ *
+ * This wrapper provides the necessary information for the Samsung
+ * specific gpios being registered with gpiolib.
+ *
+ * The lock protects each gpio bank from multiple access of the shared
+ * configuration registers, or from reading of data whilst another thread
+ * is writing to the register set.
+ *
+ * Each chip has its own lock to avoid any contention between different
+ * CPU cores trying to get one lock for different GPIO banks, where each
+ * bank of GPIO has its own register space and configuration registers.
+ */
+struct samsung_gpio_chip {
+ struct gpio_chip chip;
+ struct samsung_gpio_cfg *config;
+ struct samsung_gpio_pm *pm;
+ void __iomem *base;
+ int irq_base;
+ int group;
+ spinlock_t lock;
+#ifdef CONFIG_PM
+ u32 pm_save[4];
+#endif
+ u32 bitmap_gpio_int;
+};
+
+static inline struct samsung_gpio_chip *to_samsung_gpio(struct gpio_chip *gpc)
+{
+ return container_of(gpc, struct samsung_gpio_chip, chip);
+}
+
+/**
+ * samsung_gpiolib_to_irq - convert gpio pin to irq number
+ * @chip: The gpio chip that the pin belongs to.
+ * @offset: The offset of the pin in the chip.
+ *
+ * This helper returns the irq number calculated from the chip->irq_base and
+ * the provided offset.
+ */
+extern int samsung_gpiolib_to_irq(struct gpio_chip *chip, unsigned int offset);
+
+/* exported for core SoC support to change */
+extern struct samsung_gpio_cfg s3c24xx_gpiocfg_default;
+
+#ifdef CONFIG_S3C_GPIO_TRACK
+extern struct samsung_gpio_chip *s3c_gpios[S3C_GPIO_END];
+
+static inline struct samsung_gpio_chip *samsung_gpiolib_getchip(unsigned int chip)
+{
+ return (chip < S3C_GPIO_END) ? s3c_gpios[chip] : NULL;
+}
+#else
+/* machine specific code should provide samsung_gpiolib_getchip */
+
+extern struct samsung_gpio_chip s3c24xx_gpios[];
+
+static inline struct samsung_gpio_chip *samsung_gpiolib_getchip(unsigned int pin)
+{
+ struct samsung_gpio_chip *chip;
+
+ if (pin > S3C_GPIO_END)
+ return NULL;
+
+ chip = &s3c24xx_gpios[pin/32];
+ return ((pin - chip->chip.base) < chip->chip.ngpio) ? chip : NULL;
+}
+
+static inline void s3c_gpiolib_track(struct samsung_gpio_chip *chip) { }
+#endif
+
+#ifdef CONFIG_PM
+extern struct samsung_gpio_pm samsung_gpio_pm_1bit;
+extern struct samsung_gpio_pm samsung_gpio_pm_2bit;
+extern struct samsung_gpio_pm samsung_gpio_pm_4bit;
+#define __gpio_pm(x) x
+#else
+#define samsung_gpio_pm_1bit NULL
+#define samsung_gpio_pm_2bit NULL
+#define samsung_gpio_pm_4bit NULL
+#define __gpio_pm(x) NULL
+
+#endif /* CONFIG_PM */
+
+/* locking wrappers to deal with multiple access to the same gpio bank */
+#define samsung_gpio_lock(_oc, _fl) spin_lock_irqsave(&(_oc)->lock, _fl)
+#define samsung_gpio_unlock(_oc, _fl) spin_unlock_irqrestore(&(_oc)->lock, _fl)
+
+#endif /* __PLAT_SAMSUNG_GPIO_CORE_H */
diff --git a/arch/arm/mach-s3c/include/plat/iic-core.h b/arch/arm/mach-s3c/include/plat/iic-core.h
new file mode 100644
index 000000000000..c5cfd5af3874
--- /dev/null
+++ b/arch/arm/mach-s3c/include/plat/iic-core.h
@@ -0,0 +1,38 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2008 Openmoko, Inc.
+ * Copyright 2008 Simtec Electronics
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C - I2C Controller core functions
+ */
+
+#ifndef __ASM_ARCH_IIC_CORE_H
+#define __ASM_ARCH_IIC_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_i2c0_setname(char *name)
+{
+ /* currently this device is always compiled in */
+ s3c_device_i2c0.name = name;
+}
+
+static inline void s3c_i2c1_setname(char *name)
+{
+#ifdef CONFIG_S3C_DEV_I2C1
+ s3c_device_i2c1.name = name;
+#endif
+}
+
+static inline void s3c_i2c2_setname(char *name)
+{
+#ifdef CONFIG_S3C_DEV_I2C2
+ s3c_device_i2c2.name = name;
+#endif
+}
+
+#endif /* __ASM_ARCH_IIC_H */
diff --git a/arch/arm/mach-s3c/include/plat/keypad.h b/arch/arm/mach-s3c/include/plat/keypad.h
new file mode 100644
index 000000000000..9754b9a29945
--- /dev/null
+++ b/arch/arm/mach-s3c/include/plat/keypad.h
@@ -0,0 +1,27 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Samsung Platform - Keypad platform data definitions
+ *
+ * Copyright (C) 2010 Samsung Electronics Co.Ltd
+ * Author: Joonyoung Shim <jy0922.shim@samsung.com>
+ */
+
+#ifndef __PLAT_SAMSUNG_KEYPAD_H
+#define __PLAT_SAMSUNG_KEYPAD_H
+
+#include <linux/input/samsung-keypad.h>
+
+/**
+ * samsung_keypad_set_platdata - Set platform data for Samsung Keypad device.
+ * @pd: Platform data to register to device.
+ *
+ * Register the given platform data for use with Samsung Keypad device.
+ * The call will copy the platform data, so the board definitions can
+ * make the structure itself __initdata.
+ */
+extern void samsung_keypad_set_platdata(struct samsung_keypad_platdata *pd);
+
+/* defined by architecture to configure gpio. */
+extern void samsung_keypad_cfg_gpio(unsigned int rows, unsigned int cols);
+
+#endif /* __PLAT_SAMSUNG_KEYPAD_H */
diff --git a/arch/arm/mach-s3c/include/plat/map-base.h b/arch/arm/mach-s3c/include/plat/map-base.h
new file mode 100644
index 000000000000..34b39ded0e2e
--- /dev/null
+++ b/arch/arm/mach-s3c/include/plat/map-base.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright 2003, 2007 Simtec Electronics
+ * http://armlinux.simtec.co.uk/
+ * Ben Dooks <ben@simtec.co.uk>
+ *
+ * S3C - Memory map definitions (virtual addresses)
+ */
+
+#ifndef __ASM_PLAT_MAP_H
+#define __ASM_PLAT_MAP_H __FILE__
+
+/* Fit all our registers in at 0xF6000000 upwards, trying to use as
+ * little of the VA space as possible so vmalloc and friends have a
+ * better chance of getting memory.
+ *
+ * we try to ensure stuff like the IRQ registers are available for
+ * an single MOVS instruction (ie, only 8 bits of set data)
+ */
+
+#define S3C_ADDR_BASE 0xF6000000
+
+#ifndef __ASSEMBLY__
+#define S3C_ADDR(x) ((void __iomem __force *)S3C_ADDR_BASE + (x))
+#else
+#define S3C_ADDR(x) (S3C_ADDR_BASE + (x))
+#endif
+
+#define S3C_VA_IRQ S3C_ADDR(0x00000000) /* irq controller(s) */
+#define S3C_VA_SYS S3C_ADDR(0x00100000) /* system control */
+#define S3C_VA_MEM S3C_ADDR(0x00200000) /* memory control */
+#define S3C_VA_TIMER S3C_ADDR(0x00300000) /* timer block */
+#define S3C_VA_WATCHDOG S3C_ADDR(0x00400000) /* watchdog */
+#define S3C_VA_UART S3C_ADDR(0x01000000) /* UART */
+
+/* This is used for the CPU specific mappings that may be needed, so that
+ * they do not need to directly used S3C_ADDR() and thus make it easier to
+ *