From 8e4bff4cab0ddac6060645b0715210484d02ff40 Mon Sep 17 00:00:00 2001
From: Yuval Adam <_@yuv.al>
Date: Wed, 30 Aug 2017 08:25:59 +0000
Subject: Initial file dump from open source release

---
 arch/arm/mach-at91/board-sam9rlek.c | 329 ++++++++++++++++++++++++++++++++++++
 1 file changed, 329 insertions(+)
 create mode 100644 arch/arm/mach-at91/board-sam9rlek.c

(limited to 'arch/arm/mach-at91/board-sam9rlek.c')

diff --git a/arch/arm/mach-at91/board-sam9rlek.c b/arch/arm/mach-at91/board-sam9rlek.c
new file mode 100644
index 00000000..aa265dcf
--- /dev/null
+++ b/arch/arm/mach-at91/board-sam9rlek.c
@@ -0,0 +1,329 @@
+/*
+ *  Copyright (C) 2005 SAN People
+ *  Copyright (C) 2007 Atmel Corporation
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file COPYING in the main directory of this archive for
+ * more details.
+ */
+
+#include <linux/types.h>
+#include <linux/gpio.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/spi/spi.h>
+#include <linux/fb.h>
+#include <linux/clk.h>
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
+
+#include <video/atmel_lcdc.h>
+
+#include <asm/setup.h>
+#include <asm/mach-types.h>
+#include <asm/irq.h>
+
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+
+#include <mach/hardware.h>
+#include <mach/at91sam9_smc.h>
+
+
+#include "at91_aic.h"
+#include "at91_shdwc.h"
+#include "board.h"
+#include "sam9_smc.h"
+#include "generic.h"
+
+
+static void __init ek_init_early(void)
+{
+	/* Initialize processor: 12.000 MHz crystal */
+	at91_initialize(12000000);
+}
+
+/*
+ * USB HS Device port
+ */
+static struct usba_platform_data __initdata ek_usba_udc_data = {
+	.vbus_pin	= AT91_PIN_PA8,
+};
+
+
+/*
+ * MCI (SD/MMC)
+ */
+static struct mci_platform_data __initdata mci0_data = {
+	.slot[0] = {
+		.bus_width	= 4,
+		.detect_pin	= AT91_PIN_PA15,
+		.wp_pin		= -EINVAL,
+	},
+};
+
+
+/*
+ * NAND flash
+ */
+static struct mtd_partition __initdata ek_nand_partition[] = {
+	{
+		.name	= "Partition 1",
+		.offset	= 0,
+		.size	= SZ_256K,
+	},
+	{
+		.name	= "Partition 2",
+		.offset	= MTDPART_OFS_NXTBLK,
+		.size	= MTDPART_SIZ_FULL,
+	},
+};
+
+static struct atmel_nand_data __initdata ek_nand_data = {
+	.ale		= 21,
+	.cle		= 22,
+	.det_pin	= -EINVAL,
+	.rdy_pin	= AT91_PIN_PD17,
+	.enable_pin	= AT91_PIN_PB6,
+	.ecc_mode	= NAND_ECC_SOFT,
+	.on_flash_bbt	= 1,
+	.parts		= ek_nand_partition,
+	.num_parts	= ARRAY_SIZE(ek_nand_partition),
+};
+
+static struct sam9_smc_config __initdata ek_nand_smc_config = {
+	.ncs_read_setup		= 0,
+	.nrd_setup		= 1,
+	.ncs_write_setup	= 0,
+	.nwe_setup		= 1,
+
+	.ncs_read_pulse		= 3,
+	.nrd_pulse		= 3,
+	.ncs_write_pulse	= 3,
+	.nwe_pulse		= 3,
+
+	.read_cycle		= 5,
+	.write_cycle		= 5,
+
+	.mode			= AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_DBW_8,
+	.tdf_cycles		= 2,
+};
+
+static void __init ek_add_device_nand(void)
+{
+	/* configure chip-select 3 (NAND) */
+	sam9_smc_configure(0, 3, &ek_nand_smc_config);
+
+	at91_add_device_nand(&ek_nand_data);
+}
+
+
+/*
+ * SPI devices
+ */
+static struct spi_board_info ek_spi_devices[] = {
+	{	/* DataFlash chip */
+		.modalias	= "mtd_dataflash",
+		.chip_select	= 0,
+		.max_speed_hz	= 15 * 1000 * 1000,
+		.bus_num	= 0,
+	},
+};
+
+
+/*
+ * LCD Controller
+ */
+#if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
+static struct fb_videomode at91_tft_vga_modes[] = {
+	{
+		.name		= "TX09D50VM1CCA @ 60",
+		.refresh	= 60,
+		.xres		= 240,		.yres		= 320,
+		.pixclock	= KHZ2PICOS(4965),
+
+		.left_margin	= 1,		.right_margin	= 33,
+		.upper_margin	= 1,		.lower_margin	= 0,
+		.hsync_len	= 5,		.vsync_len	= 1,
+
+		.sync		= FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
+		.vmode		= FB_VMODE_NONINTERLACED,
+	},
+};
+
+static struct fb_monspecs at91fb_default_monspecs = {
+	.manufacturer	= "HIT",
+	.monitor	= "TX09D50VM1CCA",
+
+	.modedb		= at91_tft_vga_modes,
+	.modedb_len	= ARRAY_SIZE(at91_tft_vga_modes),
+	.hfmin		= 15000,
+	.hfmax		= 64000,
+	.vfmin		= 50,
+	.vfmax		= 150,
+};
+
+#define AT91SAM9RL_DEFAULT_LCDCON2	(ATMEL_LCDC_MEMOR_LITTLE \
+					| ATMEL_LCDC_DISTYPE_TFT \
+					| ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
+
+static void at91_lcdc_power_control(int on)
+{
+	if (on)
+		at91_set_gpio_value(AT91_PIN_PC1, 0);	/* power up */
+	else
+		at91_set_gpio_value(AT91_PIN_PC1, 1);	/* power down */
+}
+
+/* Driver datas */
+static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
+	.lcdcon_is_backlight            = true,
+	.default_bpp			= 16,
+	.default_dmacon			= ATMEL_LCDC_DMAEN,
+	.default_lcdcon2		= AT91SAM9RL_DEFAULT_LCDCON2,
+	.default_monspecs		= &at91fb_default_monspecs,
+	.atmel_lcdfb_power_control	= at91_lcdc_power_control,
+	.guard_time			= 1,
+	.lcd_wiring_mode		= ATMEL_LCDC_WIRING_RGB,
+};
+
+#else
+static struct atmel_lcdfb_info __initdata ek_lcdc_data;
+#endif
+
+
+/*
+ * AC97
+ * reset_pin is not connected: NRST
+ */
+static struct ac97c_platform_data ek_ac97_data = {
+	.reset_pin	= -EINVAL,
+};
+
+
+/*
+ * LEDs
+ */
+static struct gpio_led ek_leds[] = {
+	{	/* "bottom" led, green, userled1 to be defined */
+		.name			= "ds1",
+		.gpio			= AT91_PIN_PD15,
+		.active_low		= 1,
+		.default_trigger	= "none",
+	},
+	{	/* "bottom" led, green, userled2 to be defined */
+		.name			= "ds2",
+		.gpio			= AT91_PIN_PD16,
+		.active_low		= 1,
+		.default_trigger	= "none",
+	},
+	{	/* "power" led, yellow */
+		.name			= "ds3",
+		.gpio			= AT91_PIN_PD14,
+		.default_trigger	= "heartbeat",
+	}
+};
+
+
+/*
+ * Touchscreen
+ */
+static struct at91_tsadcc_data ek_tsadcc_data = {
+	.adc_clock		= 1000000,
+	.pendet_debounce	= 0x0f,
+	.ts_sample_hold_time	= 0x03,
+};
+
+
+/*
+ * GPIO Buttons
+ */
+#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+static struct gpio_keys_button ek_buttons[] = {
+	{
+		.gpio		= AT91_PIN_PB0,
+		.code		= BTN_2,
+		.desc		= "Right Click",
+		.active_low	= 1,
+		.wakeup		= 1,
+	},
+	{
+		.gpio		= AT91_PIN_PB1,
+		.code		= BTN_1,
+		.desc		= "Left Click",
+		.active_low	= 1,
+		.wakeup		= 1,
+	}
+};
+
+static struct gpio_keys_platform_data ek_button_data = {
+	.buttons	= ek_buttons,
+	.nbuttons	= ARRAY_SIZE(ek_buttons),
+};
+
+static struct platform_device ek_button_device = {
+	.name		= "gpio-keys",
+	.id		= -1,
+	.num_resources	= 0,
+	.dev		= {
+		.platform_data	= &ek_button_data,
+	}
+};
+
+static void __init ek_add_device_buttons(void)
+{
+	at91_set_gpio_input(AT91_PIN_PB1, 1);	/* btn1 */
+	at91_set_deglitch(AT91_PIN_PB1, 1);
+	at91_set_gpio_input(AT91_PIN_PB0, 1);	/* btn2 */
+	at91_set_deglitch(AT91_PIN_PB0, 1);
+
+	platform_device_register(&ek_button_device);
+}
+#else
+static void __init ek_add_device_buttons(void) {}
+#endif
+
+
+static void __init ek_board_init(void)
+{
+	/* Serial */
+	/* DBGU on ttyS0. (Rx & Tx only) */
+	at91_register_uart(0, 0, 0);
+
+	/* USART0 on ttyS1. (Rx, Tx, CTS, RTS) */
+	at91_register_uart(AT91SAM9RL_ID_US0, 1, ATMEL_UART_CTS | ATMEL_UART_RTS);
+	at91_add_device_serial();
+	/* USB HS */
+	at91_add_device_usba(&ek_usba_udc_data);
+	/* I2C */
+	at91_add_device_i2c(NULL, 0);
+	/* NAND */
+	ek_add_device_nand();
+	/* SPI */
+	at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
+	/* MMC */
+	at91_add_device_mci(0, &mci0_data);
+	/* LCD Controller */
+	at91_add_device_lcdc(&ek_lcdc_data);
+	/* AC97 */
+	at91_add_device_ac97(&ek_ac97_data);
+	/* Touch Screen Controller */
+	at91_add_device_tsadcc(&ek_tsadcc_data);
+	/* LEDs */
+	at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
+	/* Push Buttons */
+	ek_add_device_buttons();
+}
+
+MACHINE_START(AT91SAM9RLEK, "Atmel AT91SAM9RL-EK")
+	/* Maintainer: Atmel */
+	.init_time	= at91sam926x_pit_init,
+	.map_io		= at91_map_io,
+	.handle_irq	= at91_aic_handle_irq,
+	.init_early	= ek_init_early,
+	.init_irq	= at91_init_irq_default,
+	.init_machine	= ek_board_init,
+MACHINE_END
-- 
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