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-rw-r--r--arch/mips/jz4740/board-qi_lb60.c530
1 files changed, 530 insertions, 0 deletions
diff --git a/arch/mips/jz4740/board-qi_lb60.c b/arch/mips/jz4740/board-qi_lb60.c
new file mode 100644
index 000000000..05c60fa4f
--- /dev/null
+++ b/arch/mips/jz4740/board-qi_lb60.c
@@ -0,0 +1,530 @@
+/*
+ * 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-Peter 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/gpio/machine.h>
+
+#include <linux/input.h>
+#include <linux/gpio_keys.h>
+#include <linux/input/matrix_keypad.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/spi_gpio.h>
+#include <linux/pinctrl/machine.h>
+#include <linux/pinctrl/pinconf-generic.h>
+#include <linux/power_supply.h>
+#include <linux/power/jz4740-battery.h>
+#include <linux/power/gpio-charger.h>
+#include <linux/pwm.h>
+
+#include <linux/platform_data/jz4740/jz4740_nand.h>
+
+#include <asm/mach-jz4740/gpio.h>
+#include <asm/mach-jz4740/jz4740_fb.h>
+#include <asm/mach-jz4740/jz4740_mmc.h>
+
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
+
+#include <asm/mach-jz4740/platform.h>
+
+#include "clock.h"
+
+/* GPIOs */
+#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 */
+
+/* Early prototypes of the QI LB60 had only 1GB of NAND.
+ * In order to support these devices as well the partition and ecc layout is
+ * initialized 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 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 int qi_lb60_ooblayout_ecc(struct mtd_info *mtd, int section,
+ struct mtd_oob_region *oobregion)
+{
+ if (section)
+ return -ERANGE;
+
+ oobregion->length = 36;
+ oobregion->offset = 6;
+
+ if (mtd->oobsize == 128) {
+ oobregion->length *= 2;
+ oobregion->offset *= 2;
+ }
+
+ return 0;
+}
+
+static int qi_lb60_ooblayout_free(struct mtd_info *mtd, int section,
+ struct mtd_oob_region *oobregion)
+{
+ int eccbytes = 36, eccoff = 6;
+
+ if (section > 1)
+ return -ERANGE;
+
+ if (mtd->oobsize == 128) {
+ eccbytes *= 2;
+ eccoff *= 2;
+ }
+
+ if (!section) {
+ oobregion->offset = 2;
+ oobregion->length = eccoff - 2;
+ } else {
+ oobregion->offset = eccoff + eccbytes;
+ oobregion->length = mtd->oobsize - oobregion->offset;
+ }
+
+ return 0;
+}
+
+static const struct mtd_ooblayout_ops qi_lb60_ooblayout_ops = {
+ .ecc = qi_lb60_ooblayout_ecc,
+ .free = qi_lb60_ooblayout_free,
+};
+
+static void qi_lb60_nand_ident(struct platform_device *pdev,
+ struct mtd_info *mtd, struct mtd_partition **partitions,
+ int *num_partitions)
+{
+ struct nand_chip *chip = mtd_to_nand(mtd);
+
+ if (chip->page_shift == 12) {
+ *partitions = qi_lb60_partitions_2gb;
+ *num_partitions = ARRAY_SIZE(qi_lb60_partitions_2gb);
+ } else {
+ *partitions = qi_lb60_partitions_1gb;
+ *num_partitions = ARRAY_SIZE(qi_lb60_partitions_1gb);
+ }
+
+ mtd_set_ooblayout(mtd, &qi_lb60_ooblayout_ops);
+}
+
+static struct jz_nand_platform_data qi_lb60_nand_pdata = {
+ .ident_callback = qi_lb60_nand_ident,
+ .banks = { 1 },
+};
+
+static struct gpiod_lookup_table qi_lb60_nand_gpio_table = {
+ .dev_id = "jz4740-nand.0",
+ .table = {
+ GPIO_LOOKUP("GPIOC", 30, "busy", 0),
+ { },
+ },
+};
+
+
+/* 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(6),
+ 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 qi_lb60_spigpio_platform_data = {
+ .num_chipselect = 1,
+};
+
+static struct platform_device qi_lb60_spigpio_device = {
+ .name = "spi_gpio",
+ .id = 1,
+ .dev = {
+ .platform_data = &qi_lb60_spigpio_platform_data,
+ },
+};
+
+static struct gpiod_lookup_table qi_lb60_spigpio_gpio_table = {
+ .dev_id = "spi_gpio",
+ .table = {
+ GPIO_LOOKUP("GPIOC", 23,
+ "sck", GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP("GPIOC", 22,
+ "mosi", GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP("GPIOC", 21,
+ "cs", GPIO_ACTIVE_HIGH),
+ { },
+ },
+};
+
+static struct spi_board_info qi_lb60_spi_board_info[] = {
+ {
+ .modalias = "ili8960",
+ .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_power = QI_LB60_GPIO_SD_VCC_EN_N,
+ .power_active_low = 1,
+};
+
+static struct gpiod_lookup_table qi_lb60_mmc_gpio_table = {
+ .dev_id = "jz4740-mmc.0",
+ .table = {
+ GPIO_LOOKUP("GPIOD", 0, "cd", GPIO_ACTIVE_HIGH),
+ { },
+ },
+};
+
+/* beeper */
+static struct pwm_lookup qi_lb60_pwm_lookup[] = {
+ PWM_LOOKUP("jz4740-pwm", 4, "pwm-beeper", NULL, 0,
+ PWM_POLARITY_NORMAL),
+};
+
+static struct platform_device qi_lb60_pwm_beeper = {
+ .name = "pwm-beeper",
+ .id = -1,
+};
+
+/* charger */
+static char *qi_lb60_batteries[] = {
+ "battery",
+};
+
+static struct gpio_charger_platform_data qi_lb60_charger_pdata = {
+ .name = "usb",
+ .type = POWER_SUPPLY_TYPE_USB,
+ .gpio = JZ_GPIO_PORTD(28),
+ .gpio_active_low = 1,
+ .supplied_to = qi_lb60_batteries,
+ .num_supplicants = ARRAY_SIZE(qi_lb60_batteries),
+};
+
+static struct platform_device qi_lb60_charger_device = {
+ .name = "gpio-charger",
+ .dev = {
+ .platform_data = &qi_lb60_charger_pdata,
+ },
+};
+
+/* audio */
+static struct platform_device qi_lb60_audio_device = {
+ .name = "qi-lb60-audio",
+ .id = -1,
+};
+
+static struct gpiod_lookup_table qi_lb60_audio_gpio_table = {
+ .dev_id = "qi-lb60-audio",
+ .table = {
+ GPIO_LOOKUP("GPIOB", 29, "snd", 0),
+ GPIO_LOOKUP("GPIOD", 4, "amp", 0),
+ { },
+ },
+};
+
+static struct platform_device *jz_platform_devices[] __initdata = {
+ &jz4740_udc_device,
+ &jz4740_udc_xceiv_device,
+ &jz4740_mmc_device,
+ &jz4740_nand_device,
+ &qi_lb60_keypad,
+ &qi_lb60_spigpio_device,
+ &jz4740_framebuffer_device,
+ &jz4740_pcm_device,
+ &jz4740_i2s_device,
+ &jz4740_codec_device,
+ &jz4740_adc_device,
+ &jz4740_pwm_device,
+ &jz4740_dma_device,
+ &qi_lb60_gpio_keys,
+ &qi_lb60_pwm_beeper,
+ &qi_lb60_charger_device,
+ &qi_lb60_audio_device,
+};
+
+static unsigned long pin_cfg_bias_disable[] = {
+ PIN_CONFIG_BIAS_DISABLE,
+};
+
+static struct pinctrl_map pin_map[] __initdata = {
+ /* NAND pin configuration */
+ PIN_MAP_MUX_GROUP_DEFAULT("jz4740-nand",
+ "10010000.pin-controller", "nand-cs1", "nand"),
+
+ /* fbdev pin configuration */
+ PIN_MAP_MUX_GROUP("jz4740-fb", PINCTRL_STATE_DEFAULT,
+ "10010000.pin-controller", "lcd-8bit", "lcd"),
+ PIN_MAP_MUX_GROUP("jz4740-fb", PINCTRL_STATE_SLEEP,
+ "10010000.pin-controller", "lcd-no-pins", "lcd"),
+
+ /* MMC pin configuration */
+ PIN_MAP_MUX_GROUP_DEFAULT("jz4740-mmc.0",
+ "10010000.pin-controller", "mmc-1bit", "mmc"),
+ PIN_MAP_MUX_GROUP_DEFAULT("jz4740-mmc.0",
+ "10010000.pin-controller", "mmc-4bit", "mmc"),
+ PIN_MAP_CONFIGS_PIN_DEFAULT("jz4740-mmc.0",
+ "10010000.pin-controller", "PD0", pin_cfg_bias_disable),
+ PIN_MAP_CONFIGS_PIN_DEFAULT("jz4740-mmc.0",
+ "10010000.pin-controller", "PD2", pin_cfg_bias_disable),
+
+ /* PWM pin configuration */
+ PIN_MAP_MUX_GROUP_DEFAULT("jz4740-pwm",
+ "10010000.pin-controller", "pwm4", "pwm4"),
+};
+
+
+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_adc_device.dev.platform_data = &qi_lb60_battery_pdata;
+ jz4740_mmc_device.dev.platform_data = &qi_lb60_mmc_pdata;
+
+ gpiod_add_lookup_table(&qi_lb60_audio_gpio_table);
+ gpiod_add_lookup_table(&qi_lb60_nand_gpio_table);
+ gpiod_add_lookup_table(&qi_lb60_spigpio_gpio_table);
+ gpiod_add_lookup_table(&qi_lb60_mmc_gpio_table);
+
+ spi_register_board_info(qi_lb60_spi_board_info,
+ ARRAY_SIZE(qi_lb60_spi_board_info));
+
+ pwm_add_table(qi_lb60_pwm_lookup, ARRAY_SIZE(qi_lb60_pwm_lookup));
+ pinctrl_register_mappings(pin_map, ARRAY_SIZE(pin_map));
+
+ return platform_add_devices(jz_platform_devices,
+ ARRAY_SIZE(jz_platform_devices));
+
+}
+
+static int __init qi_lb60_board_setup(void)
+{
+ printk(KERN_INFO "Qi Hardware JZ4740 QI LB60 setup\n");
+
+ if (qi_lb60_init_platform_devices())
+ panic("Failed to initialize platform devices");
+
+ return 0;
+}
+arch_initcall(qi_lb60_board_setup);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-27 02:37:32 +0000