1 files changed, 319 insertions, 0 deletions
diff --git a/arch/arm/mach-pxa/palmz72.c b/arch/arm/mach-pxa/palmz72.c
new file mode 100644
index 000000000..66e8fe6f1
--- /dev/null
+++ b/arch/arm/mach-pxa/palmz72.c
@@ -0,0 +1,319 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Hardware definitions for Palm Zire72
+ *
+ * Authors:
+ *	Vladimir "Farcaller" Pouzanov <farcaller@gmail.com>
+ *	Sergey Lapin <slapin@ossfans.org>
+ *	Alex Osborne <bobofdoom@gmail.com>
+ *	Jan Herman <2hp@seznam.cz>
+ *
+ * Rewrite for mainline:
+ *	Marek Vasut <marek.vasut@gmail.com>
+ *
+ * (find more info at www.hackndev.com)
+ */
+
+#include <linux/platform_device.h>
+#include <linux/syscore_ops.h>
+#include <linux/delay.h>
+#include <linux/irq.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.h>
+#include <linux/pda_power.h>
+#include <linux/pwm_backlight.h>
+#include <linux/gpio.h>
+#include <linux/wm97xx.h>
+#include <linux/power_supply.h>
+#include <linux/platform_data/i2c-gpio.h>
+#include <linux/gpio/machine.h>
+
+#include <asm/mach-types.h>
+#include <asm/suspend.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include "pxa27x.h"
+#include <linux/platform_data/asoc-pxa.h>
+#include "palmz72.h"
+#include <linux/platform_data/mmc-pxamci.h>
+#include <linux/platform_data/video-pxafb.h>
+#include <linux/platform_data/irda-pxaficp.h>
+#include <linux/platform_data/keypad-pxa27x.h>
+#include "udc.h"
+#include <linux/platform_data/asoc-palm27x.h>
+#include "palm27x.h"
+
+#include "pm.h"
+#include <linux/platform_data/media/camera-pxa.h>
+
+#include "generic.h"
+#include "devices.h"
+
+/******************************************************************************
+ * Pin configuration
+ ******************************************************************************/
+static unsigned long palmz72_pin_config[] __initdata = {
+	/* MMC */
+	GPIO32_MMC_CLK,
+	GPIO92_MMC_DAT_0,
+	GPIO109_MMC_DAT_1,
+	GPIO110_MMC_DAT_2,
+	GPIO111_MMC_DAT_3,
+	GPIO112_MMC_CMD,
+	GPIO14_GPIO,	/* SD detect */
+	GPIO115_GPIO,	/* SD RO */
+	GPIO98_GPIO,	/* SD power */
+
+	/* AC97 */
+	GPIO28_AC97_BITCLK,
+	GPIO29_AC97_SDATA_IN_0,
+	GPIO30_AC97_SDATA_OUT,
+	GPIO31_AC97_SYNC,
+	GPIO89_AC97_SYSCLK,
+	GPIO113_AC97_nRESET,
+
+	/* IrDA */
+	GPIO49_GPIO,	/* ir disable */
+	GPIO46_FICP_RXD,
+	GPIO47_FICP_TXD,
+
+	/* PWM */
+	GPIO16_PWM0_OUT,
+
+	/* USB */
+	GPIO15_GPIO,	/* usb detect */
+	GPIO95_GPIO,	/* usb pullup */
+
+	/* Matrix keypad */
+	GPIO100_KP_MKIN_0	| WAKEUP_ON_LEVEL_HIGH,
+	GPIO101_KP_MKIN_1	| WAKEUP_ON_LEVEL_HIGH,
+	GPIO102_KP_MKIN_2	| WAKEUP_ON_LEVEL_HIGH,
+	GPIO97_KP_MKIN_3	| WAKEUP_ON_LEVEL_HIGH,
+	GPIO103_KP_MKOUT_0,
+	GPIO104_KP_MKOUT_1,
+	GPIO105_KP_MKOUT_2,
+
+	/* LCD */
+	GPIOxx_LCD_TFT_16BPP,
+
+	GPIO20_GPIO,	/* bl power */
+	GPIO21_GPIO,	/* LCD border switch */
+	GPIO22_GPIO,	/* LCD border color */
+	GPIO96_GPIO,	/* lcd power */
+
+	/* PXA Camera */
+	GPIO81_CIF_DD_0,
+	GPIO48_CIF_DD_5,
+	GPIO50_CIF_DD_3,
+	GPIO51_CIF_DD_2,
+	GPIO52_CIF_DD_4,
+	GPIO53_CIF_MCLK,
+	GPIO54_CIF_PCLK,
+	GPIO55_CIF_DD_1,
+	GPIO84_CIF_FV,
+	GPIO85_CIF_LV,
+	GPIO93_CIF_DD_6,
+	GPIO108_CIF_DD_7,
+
+	GPIO56_GPIO,	/* OV9640 Powerdown */
+	GPIO57_GPIO,	/* OV9640 Reset */
+	GPIO91_GPIO,	/* OV9640 Power */
+
+	/* I2C */
+	GPIO117_GPIO,	/* I2C_SCL */
+	GPIO118_GPIO,	/* I2C_SDA */
+
+	/* Misc. */
+	GPIO0_GPIO	| WAKEUP_ON_LEVEL_HIGH,	/* power detect */
+	GPIO88_GPIO,				/* green led */
+	GPIO27_GPIO,				/* WM9712 IRQ */
+};
+
+/******************************************************************************
+ * GPIO keyboard
+ ******************************************************************************/
+#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
+static const unsigned int palmz72_matrix_keys[] = {
+	KEY(0, 0, KEY_POWER),
+	KEY(0, 1, KEY_F1),
+	KEY(0, 2, KEY_ENTER),
+
+	KEY(1, 0, KEY_F2),
+	KEY(1, 1, KEY_F3),
+	KEY(1, 2, KEY_F4),
+
+	KEY(2, 0, KEY_UP),
+	KEY(2, 2, KEY_DOWN),
+
+	KEY(3, 0, KEY_RIGHT),
+	KEY(3, 2, KEY_LEFT),
+};
+
+static struct matrix_keymap_data almz72_matrix_keymap_data = {
+	.keymap			= palmz72_matrix_keys,
+	.keymap_size		= ARRAY_SIZE(palmz72_matrix_keys),
+};
+
+static struct pxa27x_keypad_platform_data palmz72_keypad_platform_data = {
+	.matrix_key_rows	= 4,
+	.matrix_key_cols	= 3,
+	.matrix_keymap_data	= &almz72_matrix_keymap_data,
+
+	.debounce_interval	= 30,
+};
+
+static void __init palmz72_kpc_init(void)
+{
+	pxa_set_keypad_info(&palmz72_keypad_platform_data);
+}
+#else
+static inline void palmz72_kpc_init(void) {}
+#endif
+
+/******************************************************************************
+ * LEDs
+ ******************************************************************************/
+#if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
+static struct gpio_led gpio_leds[] = {
+	{
+		.name			= "palmz72:green:led",
+		.default_trigger	= "none",
+		.gpio			= GPIO_NR_PALMZ72_LED_GREEN,
+	},
+};
+
+static struct gpio_led_platform_data gpio_led_info = {
+	.leds		= gpio_leds,
+	.num_leds	= ARRAY_SIZE(gpio_leds),
+};
+
+static struct platform_device palmz72_leds = {
+	.name	= "leds-gpio",
+	.id	= -1,
+	.dev	= {
+		.platform_data	= &gpio_led_info,
+	}
+};
+
+static void __init palmz72_leds_init(void)
+{
+	platform_device_register(&palmz72_leds);
+}
+#else
+static inline void palmz72_leds_init(void) {}
+#endif
+
+#ifdef CONFIG_PM
+
+/* We have some black magic here
+ * PalmOS ROM on recover expects special struct physical address
+ * to be transferred via PSPR. Using this struct PalmOS restores
+ * its state after sleep. As for Linux, we need to setup it the
+ * same way. More than that, PalmOS ROM changes some values in memory.
+ * For now only one location is found, which needs special treatment.
+ * Thanks to Alex Osborne, Andrzej Zaborowski, and lots of other people
+ * for reading backtraces for me :)
+ */
+
+#define PALMZ72_SAVE_DWORD ((unsigned long *)0xc0000050)
+
+static struct palmz72_resume_info palmz72_resume_info = {
+	.magic0 = 0xb4e6,
+	.magic1 = 1,
+
+	/* reset state, MMU off etc */
+	.arm_control = 0,
+	.aux_control = 0,
+	.ttb = 0,
+	.domain_access = 0,
+	.process_id = 0,
+};
+
+static unsigned long store_ptr;
+
+/* syscore_ops for Palm Zire 72 PM */
+
+static int palmz72_pm_suspend(void)
+{
+	/* setup the resume_info struct for the original bootloader */
+	palmz72_resume_info.resume_addr = (u32) cpu_resume;
+
+	/* Storing memory touched by ROM */
+	store_ptr = *PALMZ72_SAVE_DWORD;
+
+	/* Setting PSPR to a proper value */
+	PSPR = __pa_symbol(&palmz72_resume_info);
+
+	return 0;
+}
+
+static void palmz72_pm_resume(void)
+{
+	*PALMZ72_SAVE_DWORD = store_ptr;
+}
+
+static struct syscore_ops palmz72_pm_syscore_ops = {
+	.suspend = palmz72_pm_suspend,
+	.resume = palmz72_pm_resume,
+};
+
+static int __init palmz72_pm_init(void)
+{
+	if (machine_is_palmz72()) {
+		register_syscore_ops(&palmz72_pm_syscore_ops);
+		return 0;
+	}
+	return -ENODEV;
+}
+
+device_initcall(palmz72_pm_init);
+#endif
+
+static struct gpiod_lookup_table palmz72_mci_gpio_table = {
+	.dev_id = "pxa2xx-mci.0",
+	.table = {
+		GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMZ72_SD_DETECT_N,
+			    "cd", GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMZ72_SD_RO,
+			    "wp", GPIO_ACTIVE_LOW),
+		GPIO_LOOKUP("gpio-pxa", GPIO_NR_PALMZ72_SD_POWER_N,
+			    "power", GPIO_ACTIVE_LOW),
+		{ },
+	},
+};
+
+/******************************************************************************
+ * Machine init
+ ******************************************************************************/
+static void __init palmz72_init(void)
+{
+	pxa2xx_mfp_config(ARRAY_AND_SIZE(palmz72_pin_config));
+	pxa_set_ffuart_info(NULL);
+	pxa_set_btuart_info(NULL);
+	pxa_set_stuart_info(NULL);
+
+	palm27x_mmc_init(&palmz72_mci_gpio_table);
+	palm27x_lcd_init(-1, &palm_320x320_lcd_mode);
+	palm27x_udc_init(GPIO_NR_PALMZ72_USB_DETECT_N,
+			GPIO_NR_PALMZ72_USB_PULLUP, 0);
+	palm27x_irda_init(GPIO_NR_PALMZ72_IR_DISABLE);
+	palm27x_ac97_init(PALMZ72_BAT_MIN_VOLTAGE, PALMZ72_BAT_MAX_VOLTAGE,
+			-1, 113);
+	palm27x_pwm_init(-1, -1);
+	palm27x_power_init(-1, -1);
+	palm27x_pmic_init();
+	palmz72_kpc_init();
+	palmz72_leds_init();
+}
+
+MACHINE_START(PALMZ72, "Palm Zire72")
+	.atag_offset	= 0x100,
+	.map_io		= pxa27x_map_io,
+	.nr_irqs	= PXA_NR_IRQS,
+	.init_irq	= pxa27x_init_irq,
+	.handle_irq	= pxa27x_handle_irq,
+	.init_time	= pxa_timer_init,
+	.init_machine	= palmz72_init,
+	.restart	= pxa_restart,
+MACHINE_END