ARM: OMAP: PalmZ71 support

Palmz71 specific things - board file.

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

1 files changed, 383 insertions, 0 deletions

diff --git a/arch/arm/mach-omap1/board-palmz71.c b/arch/arm/mach-omap1/board-palmz71.c
new file mode 100644
index 000000000000..c275d517764a
--- /dev/null
+++ b/arch/arm/mach-omap1/board-palmz71.c
@@ -0,0 +1,383 @@
+/*
+ * 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/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 <asm/hardware.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/flash.h>
+
+#include <asm/arch/mcbsp.h>
+#include <asm/arch/gpio.h>
+#include <asm/arch/mux.h>
+#include <asm/arch/usb.h>
+#include <asm/arch/dma.h>
+#include <asm/arch/tc.h>
+#include <asm/arch/board.h>
+#include <asm/arch/irda.h>
+#include <asm/arch/keypad.h>
+#include <asm/arch/common.h>
+#include <asm/arch/omap-alsa.h>
+
+#include <linux/input.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/ads7846.h>
+
+static void __init
+omap_palmz71_init_irq(void)
+{
+        omap1_init_common_hw();
+        omap_init_irq();
+        omap_gpio_init();
+}
+
+static int palmz71_keymap[] = {
+        KEY(0, 0, KEY_F1),
+        KEY(0, 1, KEY_F2),
+        KEY(0, 2, KEY_F3),
+        KEY(0, 3, KEY_F4),
+        KEY(0, 4, KEY_POWER),
+        KEY(1, 0, KEY_LEFT),
+        KEY(1, 1, KEY_DOWN),
+        KEY(1, 2, KEY_UP),
+        KEY(1, 3, KEY_RIGHT),
+        KEY(1, 4, KEY_CENTER),
+        KEY(2, 0, KEY_CAMERA),
+        0,
+};
+
+static struct omap_kp_platform_data palmz71_kp_data = {
+        .rows   = 8,
+        .cols   = 8,
+        .keymap = palmz71_keymap,
+        .rep    = 1,
+        .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 flash_platform_data palmz71_rom_data = {
+        .map_name       = "map_rom",
+        .name           = "onboardrom",
+        .width          = 2,
+        .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   = "omapflash",
+        .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 omap_irda_config palmz71_irda_config = {
+        .transceiver_cap        = IR_SIRMODE,
+        .rx_channel             = OMAP_DMA_UART3_RX,
+        .tx_channel             = OMAP_DMA_UART3_TX,
+        .dest_start             = UART3_THR,
+        .src_start              = UART3_RHR,
+        .tx_trigger             = 0,
+        .rx_trigger             = 0,
+};
+
+static struct resource palmz71_irda_resources[] = {
+        [0] = {
+                .start  = INT_UART3,
+                .end    = INT_UART3,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device palmz71_irda_device = {
+        .name   = "omapirda",
+        .id     = -1,
+        .dev = {
+                .platform_data = &palmz71_irda_config,
+        },
+        .num_resources  = ARRAY_SIZE(palmz71_irda_resources),
+        .resource       = palmz71_irda_resources,
+};
+
+static struct platform_device palmz71_spi_device = {
+        .name   = "spi_palmz71",
+        .id     = -1,
+};
+
+#define DEFAULT_BITPERSAMPLE 16
+
+static struct omap_mcbsp_reg_cfg mcbsp_regs = {
+        .spcr2  = FREE | FRST | GRST | XRST | XINTM(3),
+        .spcr1  = RINTM(3) | RRST,
+        .rcr2   = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
+                        RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(0),
+        .rcr1   = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
+        .xcr2   = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
+                        XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(0) | XFIG,
+        .xcr1   = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
+        .srgr1  = FWID(DEFAULT_BITPERSAMPLE - 1),
+        .srgr2  = GSYNC | CLKSP | FSGM | FPER(DEFAULT_BITPERSAMPLE * 2 - 1),
+        .pcr0   = CLKXP | CLKRP,        /* mcbsp: slave */
+};
+
+static struct omap_alsa_codec_config alsa_config = {
+        .name                   = "PalmZ71 AIC23",
+        .mcbsp_regs_alsa        = &mcbsp_regs,
+        .codec_configure_dev    = NULL, /* aic23_configure */
+        .codec_set_samplerate   = NULL, /* aic23_set_samplerate */
+        .codec_clock_setup      = NULL, /* aic23_clock_setup */
+        .codec_clock_on         = NULL, /* aic23_clock_on */
+        .codec_clock_off        = NULL, /* aic23_clock_off */
+        .get_default_samplerate = NULL, /* aic23_get_default_samplerate */
+};
+
+static struct platform_device palmz71_mcbsp1_device = {
+        .name   = "omap_alsa_mcbsp",
+        .id     = 1,
+        .dev = {
+                .platform_data = &alsa_config,
+        },
+};
+
+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_mcbsp1_device,
+        &palmz71_lcd_device,
+        &palmz71_irda_device,
+        &palmz71_spi_device,
+        &palmz71_backlight_device,
+};
+
+static int
+palmz71_get_pendown_state(void)
+{
+        return !omap_get_gpio_datain(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,
+        .irq            = OMAP_GPIO_IRQ(PALMZ71_PENIRQ_GPIO),
+        .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_mmc_config palmz71_mmc_config __initdata = {
+        .mmc[0] = {
+                .enabled        = 1,
+                .wire4          = 0,
+                .wp_pin         = PALMZ71_MMC_WP_GPIO,
+                .power_pin      = -1,
+                .switch_pin     = PALMZ71_MMC_IN_GPIO,
+        },
+};
+
+static struct omap_lcd_config palmz71_lcd_config __initdata = {
+        .ctrl_name = "internal",
+};
+
+static struct omap_uart_config palmz71_uart_config __initdata = {
+        .enabled_uarts = (1 << 0) | (1 << 1) | (0 << 2),
+};
+
+static struct omap_board_config_kernel palmz71_config[] = {
+        {OMAP_TAG_USB,  &palmz71_usb_config},
+        {OMAP_TAG_MMC,  &palmz71_mmc_config},
+        {OMAP_TAG_LCD,  &palmz71_lcd_config},
+        {OMAP_TAG_UART, &palmz71_uart_config},
+};
+
+static irqreturn_t
+palmz71_powercable(int irq, void *dev_id)
+{
+        if (omap_get_gpio_datain(PALMZ71_USBDETECT_GPIO)) {
+                printk(KERN_INFO "PM: Power cable connected\n");
+                set_irq_type(OMAP_GPIO_IRQ(PALMZ71_USBDETECT_GPIO),
+                                IRQT_FALLING);
+        } else {
+                printk(KERN_INFO "PM: Power cable disconnected\n");
+                set_irq_type(OMAP_GPIO_IRQ(PALMZ71_USBDETECT_GPIO),
+                                IRQT_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 */
+                omap_set_gpio_dataout(1, 1);
+                omap_set_gpio_direction(1, 0);
+        } else {
+                /* Set MMC/SD host WP pin as input */
+                if (omap_request_gpio(PALMZ71_MMC_WP_GPIO)) {
+                        printk(KERN_ERR "Could not reserve WP GPIO!\n");
+                        return;
+                }
+                omap_set_gpio_direction(PALMZ71_MMC_WP_GPIO, 1);
+
+                /* Monitor the Power-cable-connected signal */
+                if (omap_request_gpio(PALMZ71_USBDETECT_GPIO)) {
+                        printk(KERN_ERR
+                                "Could not reserve cable signal GPIO!\n");
+                        return;
+                }
+                omap_set_gpio_direction(PALMZ71_USBDETECT_GPIO, 1);
+                if (request_irq(OMAP_GPIO_IRQ(PALMZ71_USBDETECT_GPIO),
+                                palmz71_powercable, IRQF_SAMPLE_RANDOM,
+                                "palmz71-cable", 0))
+                        printk(KERN_ERR
+                                        "IRQ request for power cable failed!\n");
+                palmz71_powercable(OMAP_GPIO_IRQ(PALMZ71_USBDETECT_GPIO), 0);
+        }
+}
+
+static void __init
+omap_palmz71_init(void)
+{
+        palmz71_gpio_setup(1);
+        omap_mpu_wdt_mode(0);
+
+        omap_board_config = palmz71_config;
+        omap_board_config_size = ARRAY_SIZE(palmz71_config);
+
+        platform_add_devices(devices, ARRAY_SIZE(devices));
+
+        spi_register_board_info(palmz71_boardinfo,
+                                ARRAY_SIZE(palmz71_boardinfo));
+        omap_serial_init();
+        palmz71_gpio_setup(0);
+}
+
+static void __init
+omap_palmz71_map_io(void)
+{
+        omap1_map_common_io();
+}
+
+MACHINE_START(OMAP_PALMZ71, "OMAP310 based Palm Zire71")
+        .phys_io = 0xfff00000,
+        .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
+        .boot_params = 0x10000100,.map_io = omap_palmz71_map_io,
+        .init_irq = omap_palmz71_init_irq,
+        .init_machine = omap_palmz71_init,
+        .timer = &omap_timer,
+MACHINE_END