linux/linux-5.18.11/arch/arm/mach-s3c/mach-smartq7.c

// SPDX-License-Identifier: GPL-2.0
//
// Copyright (C) 2010 Maurus Cuelenaere

#include <linux/fb.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/init.h>
#include <linux/input.h>
#include <linux/leds.h>
#include <linux/platform_device.h>

#include <asm/mach-types.h>
#include <asm/mach/arch.h>

#include <video/samsung_fimd.h>
#include <mach/irqs.h>
#include "map.h"
#include "regs-gpio.h"
#include "gpio-samsung.h"

#include "cpu.h"
#include "devs.h"
#include "fb.h"
#include "gpio-cfg.h"

#include "s3c64xx.h"
#include "mach-smartq.h"

static struct gpio_led smartq7_leds[] = {
	{
		.name			= "smartq7:red",
		.active_low		= 1,
		.gpio			= S3C64XX_GPN(8),
	},
	{
		.name			= "smartq7:green",
		.active_low		= 1,
		.gpio			= S3C64XX_GPN(9),
	},
};

static struct gpio_led_platform_data smartq7_led_data = {
	.num_leds = ARRAY_SIZE(smartq7_leds),
	.leds = smartq7_leds,
};

static struct platform_device smartq7_leds_device = {
	.name			= "leds-gpio",
	.id			= -1,
	.dev.platform_data	= &smartq7_led_data,
};

/* Labels according to the SmartQ manual */
static struct gpio_keys_button smartq7_buttons[] = {
	{
		.gpio			= S3C64XX_GPL(14),
		.code			= KEY_POWER,
		.desc			= "Power",
		.active_low		= 1,
		.debounce_interval	= 5,
		.type                   = EV_KEY,
	},
	{
		.gpio			= S3C64XX_GPN(2),
		.code			= KEY_FN,
		.desc			= "Function",
		.active_low		= 1,
		.debounce_interval	= 5,
		.type                   = EV_KEY,
	},
	{
		.gpio			= S3C64XX_GPN(3),
		.code			= KEY_KPMINUS,
		.desc			= "Minus",
		.active_low		= 1,
		.debounce_interval	= 5,
		.type                   = EV_KEY,
	},
	{
		.gpio			= S3C64XX_GPN(4),
		.code			= KEY_KPPLUS,
		.desc			= "Plus",
		.active_low		= 1,
		.debounce_interval	= 5,
		.type                   = EV_KEY,
	},
	{
		.gpio			= S3C64XX_GPN(12),
		.code			= KEY_ENTER,
		.desc			= "Enter",
		.active_low		= 1,
		.debounce_interval	= 5,
		.type                   = EV_KEY,
	},
	{
		.gpio			= S3C64XX_GPN(15),
		.code			= KEY_ESC,
		.desc			= "Cancel",
		.active_low		= 1,
		.debounce_interval	= 5,
		.type                   = EV_KEY,
	},
};

static struct gpio_keys_platform_data smartq7_buttons_data  = {
	.buttons	= smartq7_buttons,
	.nbuttons	= ARRAY_SIZE(smartq7_buttons),
};

static struct platform_device smartq7_buttons_device  = {
	.name		= "gpio-keys",
	.id		= 0,
	.num_resources	= 0,
	.dev		= {
		.platform_data	= &smartq7_buttons_data,
	}
};

static struct s3c_fb_pd_win smartq7_fb_win0 = {
	.max_bpp	= 32,
	.default_bpp	= 16,
	.xres		= 800,
	.yres		= 480,
};

static struct fb_videomode smartq7_lcd_timing = {
	.left_margin	= 3,
	.right_margin	= 5,
	.upper_margin	= 1,
	.lower_margin	= 20,
	.hsync_len	= 10,
	.vsync_len	= 3,
	.xres		= 800,
	.yres		= 480,
	.refresh	= 80,
};

static struct s3c_fb_platdata smartq7_lcd_pdata __initdata = {
	.setup_gpio	= s3c64xx_fb_gpio_setup_24bpp,
	.vtiming	= &smartq7_lcd_timing,
	.win[0]		= &smartq7_fb_win0,
	.vidcon0	= VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
	.vidcon1	= VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC |
			  VIDCON1_INV_VCLK,
};

static struct platform_device *smartq7_devices[] __initdata = {
	&smartq7_leds_device,
	&smartq7_buttons_device,
};

static void __init smartq7_machine_init(void)
{
	s3c_fb_set_platdata(&smartq7_lcd_pdata);

	smartq_machine_init();

	platform_add_devices(smartq7_devices, ARRAY_SIZE(smartq7_devices));
}

MACHINE_START(SMARTQ7, "SmartQ 7")
	/* Maintainer: Maurus Cuelenaere <mcuelenaere AT gmail DOT com> */
	.atag_offset	= 0x100,
	.nr_irqs	= S3C64XX_NR_IRQS,
	.init_irq	= s3c6410_init_irq,
	.map_io		= smartq_map_io,
	.init_machine	= smartq7_machine_init,
	.init_time	= s3c64xx_timer_init,
MACHINE_END