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Subject[RFC][PATCH 24/26] MIPS: JZ4740: Add qi_lb60 board support
Date
This patch adds support for the qi_lb60 (a.k.a QI Ben NanoNote) clamshell
device.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
---
arch/mips/jz4740/Kconfig | 4 +
arch/mips/jz4740/Makefile | 2 +
arch/mips/jz4740/board-qi_lb60.c | 483 ++++++++++++++++++++++++++++++++++++++
3 files changed, 489 insertions(+), 0 deletions(-)
create mode 100644 arch/mips/jz4740/board-qi_lb60.c
diff --git a/arch/mips/jz4740/Kconfig b/arch/mips/jz4740/Kconfig
index 8a5e850..3e7141f 100644
--- a/arch/mips/jz4740/Kconfig
+++ b/arch/mips/jz4740/Kconfig
@@ -1,6 +1,10 @@
choice
prompt "Machine type"
depends on MACH_JZ4740
+ default JZ4740_QI_LB60
+
+config JZ4740_QI_LB60
+ bool "Qi Hardware Ben NanoNote"

endchoice

diff --git a/arch/mips/jz4740/Makefile b/arch/mips/jz4740/Makefile
index a803ccb..a604eae 100644
--- a/arch/mips/jz4740/Makefile
+++ b/arch/mips/jz4740/Makefile
@@ -11,6 +11,8 @@ obj-$(CONFIG_DEBUG_FS) += clock-debugfs.o

# board specific support

+obj-$(CONFIG_JZ4740_QI_LB60) += board-qi_lb60.o
+
# PM support

obj-$(CONFIG_PM) += pm.o
diff --git a/arch/mips/jz4740/board-qi_lb60.c b/arch/mips/jz4740/board-qi_lb60.c
new file mode 100644
index 0000000..cd7e065
--- /dev/null
+++ b/arch/mips/jz4740/board-qi_lb60.c
@@ -0,0 +1,483 @@
+/*
+ * linux/arch/mips/jz4740/board-qi_lb60.c
+ *
+ * QI_LB60 board support
+ *
+ * Copyright (c) 2009 Qi Hardware inc.,
+ * Author: Xiangfu Liu <xiangfu@qi-hardware.com>
+ * Copyright 2010, Lars-Petrer Clausen <lars@metafoo.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 or later
+ * as published by the Free Software Foundation.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/gpio.h>
+
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
+#include <linux/mtd/jz4740_nand.h>
+#include <linux/jz4740_fb.h>
+#include <linux/input/matrix_keypad.h>
+#include <linux/mtd/jz4740_nand.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/spi_gpio.h>
+#include <linux/power_supply.h>
+#include <linux/power/jz4740-battery.h>
+#include <linux/mmc/jz4740_mmc.h>
+
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
+
+#include <linux/leds_pwm.h>
+
+#include <asm/mach-jz4740/platform.h>
+
+#include "clock.h"
+
+static bool is_avt2;
+
+/* GPIOs */
+#define QI_LB60_GPIO_SD_CD JZ_GPIO_PORTD(0)
+#define QI_LB60_GPIO_SD_VCC_EN_N JZ_GPIO_PORTD(2)
+
+#define QI_LB60_GPIO_KEYOUT(x) (JZ_GPIO_PORTC(10) + (x))
+#define QI_LB60_GPIO_KEYIN(x) (JZ_GPIO_PORTD(18) + (x))
+#define QI_LB60_GPIO_KEYIN8 JZ_GPIO_PORTD(26)
+
+/* NAND */
+static struct nand_ecclayout qi_lb60_ecclayout_1gb = {
+ .eccbytes = 36,
+ .eccpos = {
+ 6, 7, 8, 9, 10, 11, 12, 13,
+ 14, 15, 16, 17, 18, 19, 20, 21,
+ 22, 23, 24, 25, 26, 27, 28, 29,
+ 30, 31, 32, 33, 34, 35, 36, 37,
+ 38, 39, 40, 41
+ },
+ .oobfree = {
+ { .offset = 2, .length = 4 },
+ { .offset = 42, .length = 22 }
+ },
+};
+
+/* Early prototypes of the QI LB60 had only 1GB of NAND.
+ * In order to support these devices aswell the partition and ecc layout is
+ * initalized depending on the NAND size */
+static struct mtd_partition qi_lb60_partitions_1gb[] = {
+ {
+ .name = "NAND BOOT partition",
+ .offset = 0 * 0x100000,
+ .size = 4 * 0x100000,
+ },
+ {
+ .name = "NAND KERNEL partition",
+ .offset = 4 * 0x100000,
+ .size = 4 * 0x100000,
+ },
+ {
+ .name = "NAND ROOTFS partition",
+ .offset = 8 * 0x100000,
+ .size = (504 + 512) * 0x100000,
+ },
+};
+
+static struct nand_ecclayout qi_lb60_ecclayout_2gb = {
+ .eccbytes = 72,
+ .eccpos = {
+ 12, 13, 14, 15, 16, 17, 18, 19,
+ 20, 21, 22, 23, 24, 25, 26, 27,
+ 28, 29, 30, 31, 32, 33, 34, 35,
+ 36, 37, 38, 39, 40, 41, 42, 43,
+ 44, 45, 46, 47, 48, 49, 50, 51,
+ 52, 53, 54, 55, 56, 57, 58, 59,
+ 60, 61, 62, 63, 64, 65, 66, 67,
+ 68, 69, 70, 71, 72, 73, 74, 75,
+ 76, 77, 78, 79, 80, 81, 82, 83
+ },
+ .oobfree = {
+ { .offset = 2, .length = 10 },
+ { .offset = 84, .length = 44 },
+ },
+};
+
+static struct mtd_partition qi_lb60_partitions_2gb[] = {
+ {
+ .name = "NAND BOOT partition",
+ .offset = 0 * 0x100000,
+ .size = 4 * 0x100000,
+ },
+ {
+ .name = "NAND KERNEL partition",
+ .offset = 4 * 0x100000,
+ .size = 4 * 0x100000,
+ },
+ {
+ .name = "NAND ROOTFS partition",
+ .offset = 8 * 0x100000,
+ .size = (504 + 512 + 1024) * 0x100000,
+ },
+};
+
+static void qi_lb60_nand_ident(struct platform_device *pdev,
+ struct nand_chip *chip, struct mtd_partition **partitions,
+ int *num_partitions)
+{
+ if (chip->page_shift == 12) {
+ chip->ecc.layout = &qi_lb60_ecclayout_2gb;
+ *partitions = qi_lb60_partitions_2gb;
+ *num_partitions = ARRAY_SIZE(qi_lb60_partitions_2gb);
+ } else {
+ chip->ecc.layout = &qi_lb60_ecclayout_1gb;
+ *partitions = qi_lb60_partitions_1gb;
+ *num_partitions = ARRAY_SIZE(qi_lb60_partitions_1gb);
+ }
+}
+
+static struct jz_nand_platform_data qi_lb60_nand_pdata = {
+ .ident_callback = qi_lb60_nand_ident,
+ .busy_gpio = 94,
+};
+
+/* Keyboard*/
+
+#define KEY_QI_QI KEY_F13
+#define KEY_QI_UPRED KEY_RIGHTALT
+#define KEY_QI_VOLUP KEY_VOLUMEUP
+#define KEY_QI_VOLDOWN KEY_VOLUMEDOWN
+#define KEY_QI_FN KEY_LEFTCTRL
+
+static const uint32_t qi_lb60_keymap[] = {
+ KEY(0, 0, KEY_F1), /* S2 */
+ KEY(0, 1, KEY_F2), /* S3 */
+ KEY(0, 2, KEY_F3), /* S4 */
+ KEY(0, 3, KEY_F4), /* S5 */
+ KEY(0, 4, KEY_F5), /* S6 */
+ KEY(0, 5, KEY_F6), /* S7 */
+ KEY(0, 6, KEY_F7), /* S8 */
+
+ KEY(1, 0, KEY_Q), /* S10 */
+ KEY(1, 1, KEY_W), /* S11 */
+ KEY(1, 2, KEY_E), /* S12 */
+ KEY(1, 3, KEY_R), /* S13 */
+ KEY(1, 4, KEY_T), /* S14 */
+ KEY(1, 5, KEY_Y), /* S15 */
+ KEY(1, 6, KEY_U), /* S16 */
+ KEY(1, 7, KEY_I), /* S17 */
+ KEY(2, 0, KEY_A), /* S18 */
+ KEY(2, 1, KEY_S), /* S19 */
+ KEY(2, 2, KEY_D), /* S20 */
+ KEY(2, 3, KEY_F), /* S21 */
+ KEY(2, 4, KEY_G), /* S22 */
+ KEY(2, 5, KEY_H), /* S23 */
+ KEY(2, 6, KEY_J), /* S24 */
+ KEY(2, 7, KEY_K), /* S25 */
+ KEY(3, 0, KEY_ESC), /* S26 */
+ KEY(3, 1, KEY_Z), /* S27 */
+ KEY(3, 2, KEY_X), /* S28 */
+ KEY(3, 3, KEY_C), /* S29 */
+ KEY(3, 4, KEY_V), /* S30 */
+ KEY(3, 5, KEY_B), /* S31 */
+ KEY(3, 6, KEY_N), /* S32 */
+ KEY(3, 7, KEY_M), /* S33 */
+ KEY(4, 0, KEY_TAB), /* S34 */
+ KEY(4, 1, KEY_CAPSLOCK), /* S35 */
+ KEY(4, 2, KEY_BACKSLASH), /* S36 */
+ KEY(4, 3, KEY_APOSTROPHE), /* S37 */
+ KEY(4, 4, KEY_COMMA), /* S38 */
+ KEY(4, 5, KEY_DOT), /* S39 */
+ KEY(4, 6, KEY_SLASH), /* S40 */
+ KEY(4, 7, KEY_UP), /* S41 */
+ KEY(5, 0, KEY_O), /* S42 */
+ KEY(5, 1, KEY_L), /* S43 */
+ KEY(5, 2, KEY_EQUAL), /* S44 */
+ KEY(5, 3, KEY_QI_UPRED), /* S45 */
+ KEY(5, 4, KEY_SPACE), /* S46 */
+ KEY(5, 5, KEY_QI_QI), /* S47 */
+ KEY(5, 6, KEY_RIGHTCTRL), /* S48 */
+ KEY(5, 7, KEY_LEFT), /* S49 */
+ KEY(6, 0, KEY_F8), /* S50 */
+ KEY(6, 1, KEY_P), /* S51 */
+ KEY(6, 2, KEY_BACKSPACE),/* S52 */
+ KEY(6, 3, KEY_ENTER), /* S53 */
+ KEY(6, 4, KEY_QI_VOLUP), /* S54 */
+ KEY(6, 5, KEY_QI_VOLDOWN), /* S55 */
+ KEY(6, 6, KEY_DOWN), /* S56 */
+ KEY(6, 7, KEY_RIGHT), /* S57 */
+
+ KEY(7, 0, KEY_LEFTSHIFT), /* S58 */
+ KEY(7, 1, KEY_LEFTALT), /* S59 */
+ KEY(7, 2, KEY_QI_FN), /* S60 */
+};
+
+static const struct matrix_keymap_data qi_lb60_keymap_data = {
+ .keymap = qi_lb60_keymap,
+ .keymap_size = ARRAY_SIZE(qi_lb60_keymap),
+};
+
+static const unsigned int qi_lb60_keypad_cols[] = {
+ QI_LB60_GPIO_KEYOUT(0),
+ QI_LB60_GPIO_KEYOUT(1),
+ QI_LB60_GPIO_KEYOUT(2),
+ QI_LB60_GPIO_KEYOUT(3),
+ QI_LB60_GPIO_KEYOUT(4),
+ QI_LB60_GPIO_KEYOUT(5),
+ QI_LB60_GPIO_KEYOUT(6),
+ QI_LB60_GPIO_KEYOUT(7),
+};
+
+static const unsigned int qi_lb60_keypad_rows[] = {
+ QI_LB60_GPIO_KEYIN(0),
+ QI_LB60_GPIO_KEYIN(1),
+ QI_LB60_GPIO_KEYIN(2),
+ QI_LB60_GPIO_KEYIN(3),
+ QI_LB60_GPIO_KEYIN(4),
+ QI_LB60_GPIO_KEYIN(5),
+ QI_LB60_GPIO_KEYIN(7),
+ QI_LB60_GPIO_KEYIN8,
+};
+
+static struct matrix_keypad_platform_data qi_lb60_pdata = {
+ .keymap_data = &qi_lb60_keymap_data,
+ .col_gpios = qi_lb60_keypad_cols,
+ .row_gpios = qi_lb60_keypad_rows,
+ .num_col_gpios = ARRAY_SIZE(qi_lb60_keypad_cols),
+ .num_row_gpios = ARRAY_SIZE(qi_lb60_keypad_rows),
+ .col_scan_delay_us = 10,
+ .debounce_ms = 10,
+ .wakeup = 1,
+ .active_low = 1,
+};
+
+static struct platform_device qi_lb60_keypad = {
+ .name = "matrix-keypad",
+ .id = -1,
+ .dev = {
+ .platform_data = &qi_lb60_pdata,
+ },
+};
+
+/* Display */
+static struct fb_videomode qi_lb60_video_modes[] = {
+ {
+ .name = "320x240",
+ .xres = 320,
+ .yres = 240,
+ .refresh = 30,
+ .left_margin = 140,
+ .right_margin = 273,
+ .upper_margin = 20,
+ .lower_margin = 2,
+ .hsync_len = 1,
+ .vsync_len = 1,
+ .sync = 0,
+ .vmode = FB_VMODE_NONINTERLACED,
+ },
+};
+
+static struct jz4740_fb_platform_data qi_lb60_fb_pdata = {
+ .width = 60,
+ .height = 45,
+ .num_modes = ARRAY_SIZE(qi_lb60_video_modes),
+ .modes = qi_lb60_video_modes,
+ .bpp = 24,
+ .lcd_type = JZ_LCD_TYPE_8BIT_SERIAL,
+ .pixclk_falling_edge = 1,
+};
+
+struct spi_gpio_platform_data spigpio_platform_data = {
+ .sck = JZ_GPIO_PORTC(23),
+ .mosi = JZ_GPIO_PORTC(22),
+ .miso = -1,
+ .num_chipselect = 1,
+};
+
+static struct platform_device spigpio_device = {
+ .name = "spi_gpio",
+ .id = 1,
+ .dev = {
+ .platform_data = &spigpio_platform_data,
+ },
+};
+
+static struct spi_board_info qi_lb60_spi_board_info[] = {
+ {
+ .modalias = "ili8960",
+ .controller_data = (void *)JZ_GPIO_PORTC(21),
+ .chip_select = 0,
+ .bus_num = 1,
+ .max_speed_hz = 30 * 1000,
+ .mode = SPI_3WIRE,
+ },
+};
+
+/* Battery */
+static struct jz_battery_platform_data qi_lb60_battery_pdata = {
+ .gpio_charge = JZ_GPIO_PORTC(27),
+ .gpio_charge_active_low = 1,
+ .info = {
+ .name = "battery",
+ .technology = POWER_SUPPLY_TECHNOLOGY_LIPO,
+ .voltage_max_design = 4200000,
+ .voltage_min_design = 3600000,
+ },
+};
+
+/* GPIO Key: power */
+static struct gpio_keys_button qi_lb60_gpio_keys_buttons[] = {
+ [0] = {
+ .code = KEY_POWER,
+ .gpio = JZ_GPIO_PORTD(29),
+ .active_low = 1,
+ .desc = "Power",
+ .wakeup = 1,
+ },
+};
+
+static struct gpio_keys_platform_data qi_lb60_gpio_keys_data = {
+ .nbuttons = ARRAY_SIZE(qi_lb60_gpio_keys_buttons),
+ .buttons = qi_lb60_gpio_keys_buttons,
+};
+
+static struct platform_device qi_lb60_gpio_keys = {
+ .name = "gpio-keys",
+ .id = -1,
+ .dev = {
+ .platform_data = &qi_lb60_gpio_keys_data,
+ }
+};
+
+static struct jz4740_mmc_platform_data qi_lb60_mmc_pdata = {
+ .gpio_card_detect = QI_LB60_GPIO_SD_CD,
+ .gpio_read_only = -1,
+ .gpio_power = QI_LB60_GPIO_SD_VCC_EN_N,
+ .power_active_low = 1,
+};
+
+/* OHCI */
+static struct regulator_consumer_supply avt2_usb_regulator_consumer =
+ REGULATOR_SUPPLY("vbus", "jz4740-ohci");
+
+static struct regulator_init_data avt2_usb_regulator_init_data = {
+ .num_consumer_supplies = 1,
+ .consumer_supplies = &avt2_usb_regulator_consumer,
+ .constraints = {
+ .name = "USB power",
+ .min_uV = 5000000,
+ .max_uV = 5000000,
+ .valid_modes_mask = REGULATOR_MODE_NORMAL,
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+ },
+};
+
+static struct fixed_voltage_config avt2_usb_regulator_data = {
+ .supply_name = "USB power",
+ .microvolts = 5000000,
+ .gpio = JZ_GPIO_PORTB(17),
+ .init_data = &avt2_usb_regulator_init_data,
+};
+
+static struct platform_device avt2_usb_regulator_device = {
+ .name = "reg-fixed-voltage",
+ .id = -1,
+ .dev = {
+ .platform_data = &avt2_usb_regulator_data,
+ }
+};
+
+/* pizo */
+static struct led_pwm qi_lb60_pizo_led = {
+ .name = "nanonote::pizo",
+ .pwm_id = 4,
+ .max_brightness = 255,
+ .pwm_period_ns = 1000000,
+};
+
+static struct led_pwm_platform_data qi_lb60_pizo_data = {
+ .num_leds = 1,
+ .leds = &qi_lb60_pizo_led,
+};
+
+static struct platform_device qi_lb60_pizo_device = {
+ .name = "leds_pwm",
+ .id = -1,
+ .dev = {
+ .platform_data = &qi_lb60_pizo_data,
+ }
+};
+
+static struct platform_device *jz_platform_devices[] __initdata = {
+ &jz4740_udc_device,
+ &jz4740_mmc_device,
+ &jz4740_nand_device,
+ &qi_lb60_keypad,
+ &spigpio_device,
+ &jz4740_framebuffer_device,
+ &jz4740_i2s_device,
+ &jz4740_codec_device,
+ &jz4740_rtc_device,
+ &jz4740_adc_device,
+ &jz4740_battery_device,
+ &qi_lb60_gpio_keys,
+ &qi_lb60_pizo_device,
+};
+
+static void __init board_gpio_setup(void)
+{
+ /* We only need to enable/disable pullup here for pins used in generic
+ * drivers. Everything else is done by the drivers themselfs. */
+ jz_gpio_disable_pullup(QI_LB60_GPIO_SD_VCC_EN_N);
+ jz_gpio_disable_pullup(QI_LB60_GPIO_SD_CD);
+}
+
+static int __init qi_lb60_init_platform_devices(void)
+{
+ jz4740_framebuffer_device.dev.platform_data = &qi_lb60_fb_pdata;
+ jz4740_nand_device.dev.platform_data = &qi_lb60_nand_pdata;
+ jz4740_battery_device.dev.platform_data = &qi_lb60_battery_pdata;
+ jz4740_mmc_device.dev.platform_data = &qi_lb60_mmc_pdata;
+
+ jz4740_serial_device_register();
+
+ spi_register_board_info(qi_lb60_spi_board_info,
+ ARRAY_SIZE(qi_lb60_spi_board_info));
+
+ if (is_avt2) {
+ platform_device_register(&avt2_usb_regulator_device);
+ platform_device_register(&jz4740_usb_ohci_device);
+ }
+
+ return platform_add_devices(jz_platform_devices,
+ ARRAY_SIZE(jz_platform_devices));
+
+}
+
+struct jz4740_clock_board_data jz4740_clock_bdata = {
+ .ext_rate = 12000000,
+ .rtc_rate = 32768,
+};
+
+static __init int board_avt2(char *str)
+{
+ qi_lb60_mmc_pdata.card_detect_active_low = 1;
+ is_avt2 = true;
+
+ return 1;
+}
+__setup("avt2", board_avt2);
+
+static int __init qi_lb60_board_setup(void)
+{
+ printk(KERN_INFO "Qi Hardware JZ4740 QI %s setup\n",
+ is_avt2 ? "AVT2" : "LB60");
+
+ board_gpio_setup();
+
+ if (qi_lb60_init_platform_devices())
+ panic("Failed to initalize platform devices\n");
+
+ return 0;
+}
+arch_initcall(qi_lb60_board_setup);
--
1.5.6.5


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