forked from luck/tmp_suning_uos_patched
34d79315a2
Universal board has 5 GPIO keys. Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
149 lines
3.8 KiB
C
149 lines
3.8 KiB
C
/* linux/arch/arm/mach-s5pv310/mach-universal_c210.c
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*
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* Copyright (c) 2010 Samsung Electronics Co., Ltd.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/platform_device.h>
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#include <linux/serial_core.h>
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#include <linux/input.h>
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#include <linux/gpio_keys.h>
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#include <linux/gpio.h>
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#include <asm/mach/arch.h>
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#include <asm/mach-types.h>
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#include <asm/hardware/cache-l2x0.h>
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#include <plat/regs-serial.h>
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#include <plat/s5pv310.h>
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#include <plat/cpu.h>
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#include <mach/map.h>
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/* Following are default values for UCON, ULCON and UFCON UART registers */
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#define UNIVERSAL_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \
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S3C2410_UCON_RXILEVEL | \
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S3C2410_UCON_TXIRQMODE | \
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S3C2410_UCON_RXIRQMODE | \
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S3C2410_UCON_RXFIFO_TOI | \
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S3C2443_UCON_RXERR_IRQEN)
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#define UNIVERSAL_ULCON_DEFAULT S3C2410_LCON_CS8
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#define UNIVERSAL_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \
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S5PV210_UFCON_TXTRIG256 | \
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S5PV210_UFCON_RXTRIG256)
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static struct s3c2410_uartcfg universal_uartcfgs[] __initdata = {
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[0] = {
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.hwport = 0,
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.ucon = UNIVERSAL_UCON_DEFAULT,
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.ulcon = UNIVERSAL_ULCON_DEFAULT,
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.ufcon = UNIVERSAL_UFCON_DEFAULT,
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},
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[1] = {
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.hwport = 1,
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.ucon = UNIVERSAL_UCON_DEFAULT,
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.ulcon = UNIVERSAL_ULCON_DEFAULT,
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.ufcon = UNIVERSAL_UFCON_DEFAULT,
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},
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[2] = {
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.hwport = 2,
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.ucon = UNIVERSAL_UCON_DEFAULT,
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.ulcon = UNIVERSAL_ULCON_DEFAULT,
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.ufcon = UNIVERSAL_UFCON_DEFAULT,
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},
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[3] = {
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.hwport = 3,
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.ucon = UNIVERSAL_UCON_DEFAULT,
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.ulcon = UNIVERSAL_ULCON_DEFAULT,
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.ufcon = UNIVERSAL_UFCON_DEFAULT,
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},
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};
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static struct gpio_keys_button universal_gpio_keys_tables[] = {
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{
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.code = KEY_VOLUMEUP,
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.gpio = S5PV310_GPX2(0), /* XEINT16 */
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.desc = "gpio-keys: KEY_VOLUMEUP",
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.type = EV_KEY,
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.active_low = 1,
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.debounce_interval = 1,
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}, {
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.code = KEY_VOLUMEDOWN,
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.gpio = S5PV310_GPX2(1), /* XEINT17 */
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.desc = "gpio-keys: KEY_VOLUMEDOWN",
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.type = EV_KEY,
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.active_low = 1,
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.debounce_interval = 1,
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}, {
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.code = KEY_CONFIG,
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.gpio = S5PV310_GPX2(2), /* XEINT18 */
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.desc = "gpio-keys: KEY_CONFIG",
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.type = EV_KEY,
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.active_low = 1,
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.debounce_interval = 1,
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}, {
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.code = KEY_CAMERA,
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.gpio = S5PV310_GPX2(3), /* XEINT19 */
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.desc = "gpio-keys: KEY_CAMERA",
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.type = EV_KEY,
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.active_low = 1,
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.debounce_interval = 1,
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}, {
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.code = KEY_OK,
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.gpio = S5PV310_GPX3(5), /* XEINT29 */
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.desc = "gpio-keys: KEY_OK",
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.type = EV_KEY,
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.active_low = 1,
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.debounce_interval = 1,
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},
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};
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static struct gpio_keys_platform_data universal_gpio_keys_data = {
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.buttons = universal_gpio_keys_tables,
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.nbuttons = ARRAY_SIZE(universal_gpio_keys_tables),
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};
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static struct platform_device universal_gpio_keys = {
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.name = "gpio-keys",
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.dev = {
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.platform_data = &universal_gpio_keys_data,
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},
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};
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static struct platform_device *universal_devices[] __initdata = {
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&universal_gpio_keys,
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};
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static void __init universal_map_io(void)
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{
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s5p_init_io(NULL, 0, S5P_VA_CHIPID);
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s3c24xx_init_clocks(24000000);
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s3c24xx_init_uarts(universal_uartcfgs, ARRAY_SIZE(universal_uartcfgs));
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}
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static void __init universal_machine_init(void)
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{
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#ifdef CONFIG_CACHE_L2X0
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l2x0_init(S5P_VA_L2CC, 1 << 28, 0xffffffff);
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#endif
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/* Last */
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platform_add_devices(universal_devices, ARRAY_SIZE(universal_devices));
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}
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MACHINE_START(UNIVERSAL_C210, "UNIVERSAL_C210")
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/* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
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.phys_io = S3C_PA_UART & 0xfff00000,
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.io_pg_offst = (((u32)S3C_VA_UART) >> 18) & 0xfffc,
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.boot_params = S5P_PA_SDRAM + 0x100,
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.init_irq = s5pv310_init_irq,
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.map_io = universal_map_io,
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.init_machine = universal_machine_init,
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.timer = &s5pv310_timer,
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MACHINE_END
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