File-copy from v4.4.100
This is the result of 'cp' from a linux-stable tree with the 'v4.4.100'
tag checked out (commit 26d6298789e695c9f627ce49a7bbd2286405798a) on
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Please refer to that tree for all history prior to this point.
Change-Id: I8a9ee2aea93cd29c52c847d0ce33091a73ae6afe
diff --git a/arch/arm/mach-omap1/board-palmz71.c b/arch/arm/mach-omap1/board-palmz71.c
new file mode 100644
index 0000000..87ec04a
--- /dev/null
+++ b/arch/arm/mach-omap1/board-palmz71.c
@@ -0,0 +1,305 @@
+/*
+ * linux/arch/arm/mach-omap1/board-palmz71.c
+ *
+ * Modified from board-generic.c
+ *
+ * Support for the Palm Zire71 PDA.
+ *
+ * Original version : Laurent Gonzalez
+ *
+ * Modified for zire71 : Marek Vasut
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/delay.h>
+#include <linux/gpio.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/notifier.h>
+#include <linux/clk.h>
+#include <linux/irq.h>
+#include <linux/input.h>
+#include <linux/interrupt.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <linux/omapfb.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/ads7846.h>
+#include <linux/platform_data/omap1_bl.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <mach/flash.h>
+#include <mach/mux.h>
+#include <linux/omap-dma.h>
+#include <mach/tc.h>
+#include <linux/platform_data/keypad-omap.h>
+
+#include <mach/hardware.h>
+#include <mach/usb.h>
+
+#include "common.h"
+
+#define PALMZ71_USBDETECT_GPIO 0
+#define PALMZ71_PENIRQ_GPIO 6
+#define PALMZ71_MMC_WP_GPIO 8
+#define PALMZ71_HDQ_GPIO 11
+
+#define PALMZ71_HOTSYNC_GPIO OMAP_MPUIO(1)
+#define PALMZ71_CABLE_GPIO OMAP_MPUIO(2)
+#define PALMZ71_SLIDER_GPIO OMAP_MPUIO(3)
+#define PALMZ71_MMC_IN_GPIO OMAP_MPUIO(4)
+
+static const unsigned int palmz71_keymap[] = {
+ KEY(0, 0, KEY_F1),
+ KEY(1, 0, KEY_F2),
+ KEY(2, 0, KEY_F3),
+ KEY(3, 0, KEY_F4),
+ KEY(4, 0, KEY_POWER),
+ KEY(0, 1, KEY_LEFT),
+ KEY(1, 1, KEY_DOWN),
+ KEY(2, 1, KEY_UP),
+ KEY(3, 1, KEY_RIGHT),
+ KEY(4, 1, KEY_ENTER),
+ KEY(0, 2, KEY_CAMERA),
+};
+
+static const struct matrix_keymap_data palmz71_keymap_data = {
+ .keymap = palmz71_keymap,
+ .keymap_size = ARRAY_SIZE(palmz71_keymap),
+};
+
+static struct omap_kp_platform_data palmz71_kp_data = {
+ .rows = 8,
+ .cols = 8,
+ .keymap_data = &palmz71_keymap_data,
+ .rep = true,
+ .delay = 80,
+};
+
+static struct resource palmz71_kp_resources[] = {
+ [0] = {
+ .start = INT_KEYBOARD,
+ .end = INT_KEYBOARD,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device palmz71_kp_device = {
+ .name = "omap-keypad",
+ .id = -1,
+ .dev = {
+ .platform_data = &palmz71_kp_data,
+ },
+ .num_resources = ARRAY_SIZE(palmz71_kp_resources),
+ .resource = palmz71_kp_resources,
+};
+
+static struct mtd_partition palmz71_rom_partitions[] = {
+ /* PalmOS "Small ROM", contains the bootloader and the debugger */
+ {
+ .name = "smallrom",
+ .offset = 0,
+ .size = 0xa000,
+ .mask_flags = MTD_WRITEABLE,
+ },
+ /* PalmOS "Big ROM", a filesystem with all the OS code and data */
+ {
+ .name = "bigrom",
+ .offset = SZ_128K,
+ /*
+ * 0x5f0000 bytes big in the multi-language ("EFIGS") version,
+ * 0x7b0000 bytes in the English-only ("enUS") version.
+ */
+ .size = 0x7b0000,
+ .mask_flags = MTD_WRITEABLE,
+ },
+};
+
+static struct physmap_flash_data palmz71_rom_data = {
+ .width = 2,
+ .set_vpp = omap1_set_vpp,
+ .parts = palmz71_rom_partitions,
+ .nr_parts = ARRAY_SIZE(palmz71_rom_partitions),
+};
+
+static struct resource palmz71_rom_resource = {
+ .start = OMAP_CS0_PHYS,
+ .end = OMAP_CS0_PHYS + SZ_8M - 1,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device palmz71_rom_device = {
+ .name = "physmap-flash",
+ .id = -1,
+ .dev = {
+ .platform_data = &palmz71_rom_data,
+ },
+ .num_resources = 1,
+ .resource = &palmz71_rom_resource,
+};
+
+static struct platform_device palmz71_lcd_device = {
+ .name = "lcd_palmz71",
+ .id = -1,
+};
+
+static struct platform_device palmz71_spi_device = {
+ .name = "spi_palmz71",
+ .id = -1,
+};
+
+static struct omap_backlight_config palmz71_backlight_config = {
+ .default_intensity = 0xa0,
+};
+
+static struct platform_device palmz71_backlight_device = {
+ .name = "omap-bl",
+ .id = -1,
+ .dev = {
+ .platform_data = &palmz71_backlight_config,
+ },
+};
+
+static struct platform_device *devices[] __initdata = {
+ &palmz71_rom_device,
+ &palmz71_kp_device,
+ &palmz71_lcd_device,
+ &palmz71_spi_device,
+ &palmz71_backlight_device,
+};
+
+static int
+palmz71_get_pendown_state(void)
+{
+ return !gpio_get_value(PALMZ71_PENIRQ_GPIO);
+}
+
+static const struct ads7846_platform_data palmz71_ts_info = {
+ .model = 7846,
+ .vref_delay_usecs = 100, /* internal, no capacitor */
+ .x_plate_ohms = 419,
+ .y_plate_ohms = 486,
+ .get_pendown_state = palmz71_get_pendown_state,
+};
+
+static struct spi_board_info __initdata palmz71_boardinfo[] = { {
+ /* MicroWire (bus 2) CS0 has an ads7846e */
+ .modalias = "ads7846",
+ .platform_data = &palmz71_ts_info,
+ .max_speed_hz = 120000 /* max sample rate at 3V */
+ * 26 /* command + data + overhead */,
+ .bus_num = 2,
+ .chip_select = 0,
+} };
+
+static struct omap_usb_config palmz71_usb_config __initdata = {
+ .register_dev = 1, /* Mini-B only receptacle */
+ .hmc_mode = 0,
+ .pins[0] = 2,
+};
+
+static struct omap_lcd_config palmz71_lcd_config __initdata = {
+ .ctrl_name = "internal",
+};
+
+static irqreturn_t
+palmz71_powercable(int irq, void *dev_id)
+{
+ if (gpio_get_value(PALMZ71_USBDETECT_GPIO)) {
+ printk(KERN_INFO "PM: Power cable connected\n");
+ irq_set_irq_type(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
+ IRQ_TYPE_EDGE_FALLING);
+ } else {
+ printk(KERN_INFO "PM: Power cable disconnected\n");
+ irq_set_irq_type(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
+ IRQ_TYPE_EDGE_RISING);
+ }
+ return IRQ_HANDLED;
+}
+
+static void __init
+omap_mpu_wdt_mode(int mode)
+{
+ if (mode)
+ omap_writew(0x8000, OMAP_WDT_TIMER_MODE);
+ else {
+ omap_writew(0x00f5, OMAP_WDT_TIMER_MODE);
+ omap_writew(0x00a0, OMAP_WDT_TIMER_MODE);
+ }
+}
+
+static void __init
+palmz71_gpio_setup(int early)
+{
+ if (early) {
+ /* Only set GPIO1 so we have a working serial */
+ gpio_direction_output(1, 1);
+ } else {
+ /* Set MMC/SD host WP pin as input */
+ if (gpio_request(PALMZ71_MMC_WP_GPIO, "MMC WP") < 0) {
+ printk(KERN_ERR "Could not reserve WP GPIO!\n");
+ return;
+ }
+ gpio_direction_input(PALMZ71_MMC_WP_GPIO);
+
+ /* Monitor the Power-cable-connected signal */
+ if (gpio_request(PALMZ71_USBDETECT_GPIO, "USB detect") < 0) {
+ printk(KERN_ERR
+ "Could not reserve cable signal GPIO!\n");
+ return;
+ }
+ gpio_direction_input(PALMZ71_USBDETECT_GPIO);
+ if (request_irq(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
+ palmz71_powercable, 0, "palmz71-cable", NULL))
+ printk(KERN_ERR
+ "IRQ request for power cable failed!\n");
+ palmz71_powercable(gpio_to_irq(PALMZ71_USBDETECT_GPIO), NULL);
+ }
+}
+
+static void __init
+omap_palmz71_init(void)
+{
+ /* mux pins for uarts */
+ omap_cfg_reg(UART1_TX);
+ omap_cfg_reg(UART1_RTS);
+ omap_cfg_reg(UART2_TX);
+ omap_cfg_reg(UART2_RTS);
+ omap_cfg_reg(UART3_TX);
+ omap_cfg_reg(UART3_RX);
+
+ palmz71_gpio_setup(1);
+ omap_mpu_wdt_mode(0);
+
+ platform_add_devices(devices, ARRAY_SIZE(devices));
+
+ palmz71_boardinfo[0].irq = gpio_to_irq(PALMZ71_PENIRQ_GPIO);
+ spi_register_board_info(palmz71_boardinfo,
+ ARRAY_SIZE(palmz71_boardinfo));
+ omap1_usb_init(&palmz71_usb_config);
+ omap_serial_init();
+ omap_register_i2c_bus(1, 100, NULL, 0);
+ palmz71_gpio_setup(0);
+
+ omapfb_set_lcd_config(&palmz71_lcd_config);
+}
+
+MACHINE_START(OMAP_PALMZ71, "OMAP310 based Palm Zire71")
+ .atag_offset = 0x100,
+ .map_io = omap15xx_map_io,
+ .init_early = omap1_init_early,
+ .init_irq = omap1_init_irq,
+ .handle_irq = omap1_handle_irq,
+ .init_machine = omap_palmz71_init,
+ .init_late = omap1_init_late,
+ .init_time = omap1_timer_init,
+ .restart = omap1_restart,
+MACHINE_END