ARM: OMAP: Palm Tungsten|T support

This patch adds board file and necessary includes for Palm Tungsten|T.

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

5 files changed, 394 insertions, 0 deletions

diff --git a/arch/arm/mach-omap1/Kconfig b/arch/arm/mach-omap1/Kconfig
index 1085e12ce881..7386dc354945 100644
--- a/arch/arm/mach-omap1/Kconfig
+++ b/arch/arm/mach-omap1/Kconfig
@@ -98,6 +98,15 @@ config MACH_OMAP_PALMZ71
          http://hackndev.com/palm/z71 for more informations.
          Say Y here if you have such a PDA, say N otherwise.
 
+config MACH_OMAP_PALMTT
+        bool "Palm Tungsten|T"
+        depends on ARCH_OMAP1 && ARCH_OMAP15XX
+        help
+          Support for the Palm Tungsten|T PDA. To boot the kernel, you'll
+          need a PalmOS compatible bootloader (Garux); check out
+          http://www.hackndev.com/palm/tt/ for more information.
+          Say Y here if you have this PDA model, say N otherwise.
+
 config MACH_NOKIA770
         bool "Nokia 770"
         depends on ARCH_OMAP1 && ARCH_OMAP16XX
diff --git a/arch/arm/mach-omap1/Makefile b/arch/arm/mach-omap1/Makefile
index 76cbc6867d7e..3a7cd2890ec8 100644
--- a/arch/arm/mach-omap1/Makefile
+++ b/arch/arm/mach-omap1/Makefile
@@ -23,6 +23,7 @@ obj-$(CONFIG_MACH_OMAP_H3)		+= board-h3.o
 obj-$(CONFIG_MACH_VOICEBLUE)            += board-voiceblue.o
 obj-$(CONFIG_MACH_OMAP_PALMTE)          += board-palmte.o
 obj-$(CONFIG_MACH_OMAP_PALMZ71)         += board-palmz71.o
+obj-$(CONFIG_MACH_OMAP_PALMTT)          += board-palmtt.o
 obj-$(CONFIG_MACH_NOKIA770)             += board-nokia770.o
 obj-$(CONFIG_MACH_AMS_DELTA)            += board-ams-delta.o
 
diff --git a/arch/arm/mach-omap1/board-palmtt.c b/arch/arm/mach-omap1/board-palmtt.c
new file mode 100644
index 000000000000..3c9a41a3d820
--- /dev/null
+++ b/arch/arm/mach-omap1/board-palmtt.c
@@ -0,0 +1,357 @@
+/*
+ * linux/arch/arm/mach-omap1/board-palmtt.c
+ *
+ * Modified from board-palmtt2.c
+ *
+ * Modified and amended for Palm Tungsten|T
+ * by Marek Vasut <marek.vasut@gmail.com>
+ *
+ * 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/input.h>
+#include <linux/interrupt.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/leds.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/led.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 int palmtt_keymap[] = {
+        KEY(0, 0, KEY_ESC),
+        KEY(0, 1, KEY_SPACE),
+        KEY(0, 2, KEY_LEFTCTRL),
+        KEY(0, 3, KEY_TAB),
+        KEY(0, 4, KEY_ENTER),
+        KEY(1, 0, KEY_LEFT),
+        KEY(1, 1, KEY_DOWN),
+        KEY(1, 2, KEY_UP),
+        KEY(1, 3, KEY_RIGHT),
+        KEY(2, 0, KEY_SLEEP),
+        KEY(2, 4, KEY_Y),
+        0
+};
+
+static struct mtd_partition palmtt_partitions[] = {
+        {
+                .name           = "write8k",
+                .offset         = 0,
+                .size           = SZ_8K,
+                .mask_flags     = 0,
+        },
+        {
+                .name           = "PalmOS-BootLoader(ro)",
+                .offset         = SZ_8K,
+                .size           = 7 * SZ_8K,
+                .mask_flags     = MTD_WRITEABLE,
+        },
+        {
+                .name           = "u-boot",
+                .offset         = MTDPART_OFS_APPEND,
+                .size           = 8 * SZ_8K,
+                .mask_flags     = 0,
+        },
+        {
+                .name           = "PalmOS-FS(ro)",
+                .offset         = MTDPART_OFS_APPEND,
+                .size           = 7 * SZ_1M + 4 * SZ_64K - 16 * SZ_8K,
+                .mask_flags     = MTD_WRITEABLE,
+        },
+        {
+                .name           = "u-boot(rez)",
+                .offset         = MTDPART_OFS_APPEND,
+                .size           = SZ_128K,
+                .mask_flags     = 0
+        },
+        {
+                .name           = "empty",
+                .offset         = MTDPART_OFS_APPEND,
+                .size           = MTDPART_SIZ_FULL,
+                .mask_flags     = 0
+        }
+};
+
+static struct flash_platform_data palmtt_flash_data = {
+        .map_name       = "cfi_probe",
+        .width          = 2,
+        .parts          = palmtt_partitions,
+        .nr_parts       = ARRAY_SIZE(palmtt_partitions),
+};
+
+static struct resource palmtt_flash_resource = {
+        .start          = OMAP_CS0_PHYS,
+        .end            = OMAP_CS0_PHYS + SZ_8M - 1,
+        .flags          = IORESOURCE_MEM,
+};
+
+static struct platform_device palmtt_flash_device = {
+        .name           = "omapflash",
+        .id             = 0,
+        .dev            = {
+                .platform_data  = &palmtt_flash_data,
+        },
+        .num_resources  = 1,
+        .resource       = &palmtt_flash_resource,
+};
+
+#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                   = "PalmTT 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 palmtt_mcbsp1_device = {
+        .name   = "omap_alsa_mcbsp",
+        .id     = 1,
+        .dev    = {
+                .platform_data  = &alsa_config,
+        },
+};
+
+static struct resource palmtt_kp_resources[] = {
+        [0] = {
+                .start  = INT_KEYBOARD,
+                .end    = INT_KEYBOARD,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct omap_kp_platform_data palmtt_kp_data = {
+        .rows   = 6,
+        .cols   = 3,
+        .keymap = palmtt_keymap,
+};
+
+static struct platform_device palmtt_kp_device = {
+        .name           = "omap-keypad",
+        .id             = -1,
+        .dev            = {
+                .platform_data = &palmtt_kp_data,
+        },
+        .num_resources  = ARRAY_SIZE(palmtt_kp_resources),
+        .resource       = palmtt_kp_resources,
+};
+
+static struct platform_device palmtt_lcd_device = {
+        .name           = "lcd_palmtt",
+        .id             = -1,
+};
+static struct omap_irda_config palmtt_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 palmtt_irda_resources[] = {
+        [0]     = {
+                .start  = INT_UART3,
+                .end    = INT_UART3,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+static struct platform_device palmtt_irda_device = {
+        .name           = "omapirda",
+        .id             = -1,
+        .dev            = {
+                .platform_data  = &palmtt_irda_config,
+        },
+        .num_resources  = ARRAY_SIZE(palmtt_irda_resources),
+        .resource       = palmtt_irda_resources,
+};
+
+static struct platform_device palmtt_spi_device = {
+        .name           = "spi_palmtt",
+        .id             = -1,
+};
+
+static struct omap_backlight_config palmtt_backlight_config = {
+        .default_intensity      = 0xa0,
+};
+
+static struct platform_device palmtt_backlight_device = {
+        .name           = "omap-bl",
+        .id             = -1,
+        .dev            = {
+                .platform_data= &palmtt_backlight_config,
+        },
+};
+
+static struct omap_led_config palmtt_led_config[] = {
+        {
+                .cdev   = {
+                        .name   = "palmtt:led0",
+                },
+                .gpio   = PALMTT_LED_GPIO,
+        },
+};
+
+static struct omap_led_platform_data palmtt_led_data = {
+        .nr_leds        = ARRAY_SIZE(palmtt_led_config),
+        .leds           = palmtt_led_config,
+};
+
+static struct platform_device palmtt_led_device = {
+        .name   = "omap-led",
+        .id     = -1,
+        .dev    = {
+                .platform_data  = &palmtt_led_data,
+        },
+};
+
+static struct platform_device *palmtt_devices[] __initdata = {
+        &palmtt_flash_device,
+        &palmtt_mcbsp1_device,
+        &palmtt_kp_device,
+        &palmtt_lcd_device,
+        &palmtt_irda_device,
+        &palmtt_spi_device,
+        &palmtt_backlight_device,
+        &palmtt_led_device,
+};
+
+static int palmtt_get_pendown_state(void)
+{
+        return !omap_get_gpio_datain(6);
+}
+
+static const struct ads7846_platform_data palmtt_ts_info = {
+        .model                  = 7846,
+        .vref_delay_usecs       = 100,  /* internal, no capacitor */
+        .x_plate_ohms           = 419,
+        .y_plate_ohms           = 486,
+        .get_pendown_state      = palmtt_get_pendown_state,
+};
+
+static struct spi_board_info __initdata palmtt_boardinfo[] = {
+        {
+                /* MicroWire (bus 2) CS0 has an ads7846e */
+                .modalias       = "ads7846",
+                .platform_data  = &palmtt_ts_info,
+                .irq            = OMAP_GPIO_IRQ(6),
+                .max_speed_hz   = 120000        /* max sample rate at 3V */
+                                        * 26    /* command + data + overhead */,
+                .bus_num        = 2,
+                .chip_select    = 0,
+        }
+};
+
+static void __init omap_palmtt_init_irq(void)
+{
+        omap1_init_common_hw();
+        omap_init_irq();
+}
+
+static struct omap_usb_config palmtt_usb_config __initdata = {
+        .register_dev   = 1,
+        .hmc_mode       = 0,
+        .pins[0]        = 2,
+};
+
+static struct omap_lcd_config palmtt_lcd_config __initdata = {
+        .ctrl_name      = "internal",
+};
+
+static struct omap_uart_config palmtt_uart_config __initdata = {
+        .enabled_uarts = (1 << 0) | (1 << 1) | (0 << 2),
+};
+
+static struct omap_board_config_kernel palmtt_config[] = {
+        { OMAP_TAG_USB, &palmtt_usb_config      },
+        { OMAP_TAG_LCD, &palmtt_lcd_config      },
+        { OMAP_TAG_UART,        &palmtt_uart_config     },
+};
+
+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 omap_palmtt_init(void)
+{
+        omap_mpu_wdt_mode(0);
+
+        omap_board_config = palmtt_config;
+        omap_board_config_size = ARRAY_SIZE(palmtt_config);
+
+        platform_add_devices(palmtt_devices, ARRAY_SIZE(palmtt_devices));
+
+        spi_register_board_info(palmtt_boardinfo,ARRAY_SIZE(palmtt_boardinfo));
+        omap_serial_init();
+}
+
+static void __init omap_palmtt_map_io(void)
+{
+        omap1_map_common_io();
+}
+
+MACHINE_START(OMAP_PALMTT, "OMAP1510 based Palm Tungsten|T")
+        .phys_io        = 0xfff00000,
+        .io_pg_offst    = ((0xfef00000) >> 18) & 0xfffc,
+        .boot_params    = 0x10000100,
+        .map_io         = omap_palmtt_map_io,
+        .init_irq       = omap_palmtt_init_irq,
+        .init_machine   = omap_palmtt_init,
+        .timer          = &omap_timer,
+MACHINE_END
diff --git a/include/asm-arm/arch-omap/board-palmtt.h b/include/asm-arm/arch-omap/board-palmtt.h
new file mode 100644
index 000000000000..d9590b0ec90e
--- /dev/null
+++ b/include/asm-arm/arch-omap/board-palmtt.h
@@ -0,0 +1,23 @@
+/*
+ * linux/include/asm-arm/arch-omap/board-palmte.h
+ *
+ * Hardware definitions for the Palm Tungsten|T device.
+ *
+ * Maintainters :       Marek Vasut <marek.vasut@gmail.com>
+ *
+ * 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.
+ */
+
+#ifndef __OMAP_BOARD_PALMTT_H
+#define __OMAP_BOARD_PALMTT_H
+
+#define PALMTT_USBDETECT_GPIO   0
+#define PALMTT_CABLE_GPIO       1
+#define PALMTT_LED_GPIO         3
+#define PALMTT_PENIRQ_GPIO      6
+#define PALMTT_MMC_WP_GPIO      8
+#define PALMTT_HDQ_GPIO         11
+
+#endif  /* __OMAP_BOARD_PALMTT_H */
diff --git a/include/asm-arm/arch-omap/hardware.h b/include/asm-arm/arch-omap/hardware.h
index 3903a6d76e2b..18c52d74c224 100644
--- a/include/asm-arm/arch-omap/hardware.h
+++ b/include/asm-arm/arch-omap/hardware.h
@@ -338,6 +338,10 @@
 #include "board-palmz71.h"
 #endif
 
+#ifdef CONFIG_MACH_OMAP_PALMTT
+#include "board-palmtt.h"
+#endif
+
 #endif /* !__ASSEMBLER__ */
 
 #endif  /* __ASM_ARCH_OMAP_HARDWARE_H */