| // SPDX-License-Identifier: GPL-2.0-only |
| /* |
| * linux/arch/arm/mach-pxa/tavorevb.c |
| * |
| * Support for the Marvell PXA930 Evaluation Board |
| * |
| * Copyright (C) 2007-2008 Marvell International Ltd. |
| */ |
| |
| #include <linux/module.h> |
| #include <linux/kernel.h> |
| #include <linux/interrupt.h> |
| #include <linux/init.h> |
| #include <linux/platform_device.h> |
| #include <linux/clk.h> |
| #include <linux/gpio.h> |
| #include <linux/smc91x.h> |
| #include <linux/pwm.h> |
| #include <linux/pwm_backlight.h> |
| |
| #include <asm/mach-types.h> |
| #include <asm/mach/arch.h> |
| |
| #include "pxa930.h" |
| #include <linux/platform_data/video-pxafb.h> |
| #include <linux/platform_data/keypad-pxa27x.h> |
| |
| #include "devices.h" |
| #include "generic.h" |
| |
| /* Tavor EVB MFP configurations */ |
| static mfp_cfg_t tavorevb_mfp_cfg[] __initdata = { |
| /* Ethernet */ |
| DF_nCS1_nCS3, |
| GPIO47_GPIO, |
| |
| /* LCD */ |
| GPIO23_LCD_DD0, |
| GPIO24_LCD_DD1, |
| GPIO25_LCD_DD2, |
| GPIO26_LCD_DD3, |
| GPIO27_LCD_DD4, |
| GPIO28_LCD_DD5, |
| GPIO29_LCD_DD6, |
| GPIO44_LCD_DD7, |
| GPIO21_LCD_CS, |
| GPIO22_LCD_CS2, |
| |
| GPIO17_LCD_FCLK_RD, |
| GPIO18_LCD_LCLK_A0, |
| GPIO19_LCD_PCLK_WR, |
| |
| /* LCD Backlight */ |
| GPIO43_PWM3, /* primary backlight */ |
| GPIO32_PWM0, /* secondary backlight */ |
| |
| /* Keypad */ |
| GPIO0_KP_MKIN_0, |
| GPIO2_KP_MKIN_1, |
| GPIO4_KP_MKIN_2, |
| GPIO6_KP_MKIN_3, |
| GPIO8_KP_MKIN_4, |
| GPIO10_KP_MKIN_5, |
| GPIO12_KP_MKIN_6, |
| GPIO1_KP_MKOUT_0, |
| GPIO3_KP_MKOUT_1, |
| GPIO5_KP_MKOUT_2, |
| GPIO7_KP_MKOUT_3, |
| GPIO9_KP_MKOUT_4, |
| GPIO11_KP_MKOUT_5, |
| GPIO13_KP_MKOUT_6, |
| |
| GPIO14_KP_DKIN_2, |
| GPIO15_KP_DKIN_3, |
| }; |
| |
| #define TAVOREVB_ETH_PHYS (0x14000000) |
| |
| static struct resource smc91x_resources[] = { |
| [0] = { |
| .start = (TAVOREVB_ETH_PHYS + 0x300), |
| .end = (TAVOREVB_ETH_PHYS + 0xfffff), |
| .flags = IORESOURCE_MEM, |
| }, |
| [1] = { |
| .start = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO47)), |
| .end = PXA_GPIO_TO_IRQ(mfp_to_gpio(MFP_PIN_GPIO47)), |
| .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE, |
| } |
| }; |
| |
| static struct smc91x_platdata tavorevb_smc91x_info = { |
| .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT | SMC91X_USE_DMA, |
| }; |
| |
| static struct platform_device smc91x_device = { |
| .name = "smc91x", |
| .id = 0, |
| .num_resources = ARRAY_SIZE(smc91x_resources), |
| .resource = smc91x_resources, |
| .dev = { |
| .platform_data = &tavorevb_smc91x_info, |
| }, |
| }; |
| |
| #if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE) |
| static const unsigned int tavorevb_matrix_key_map[] = { |
| /* KEY(row, col, key_code) */ |
| KEY(0, 4, KEY_A), KEY(0, 5, KEY_B), KEY(0, 6, KEY_C), |
| KEY(1, 4, KEY_E), KEY(1, 5, KEY_F), KEY(1, 6, KEY_G), |
| KEY(2, 4, KEY_I), KEY(2, 5, KEY_J), KEY(2, 6, KEY_K), |
| KEY(3, 4, KEY_M), KEY(3, 5, KEY_N), KEY(3, 6, KEY_O), |
| KEY(4, 5, KEY_R), KEY(4, 6, KEY_S), |
| KEY(5, 4, KEY_U), KEY(5, 4, KEY_V), KEY(5, 6, KEY_W), |
| |
| KEY(6, 4, KEY_Y), KEY(6, 5, KEY_Z), |
| |
| KEY(0, 3, KEY_0), KEY(2, 0, KEY_1), KEY(2, 1, KEY_2), KEY(2, 2, KEY_3), |
| KEY(2, 3, KEY_4), KEY(1, 0, KEY_5), KEY(1, 1, KEY_6), KEY(1, 2, KEY_7), |
| KEY(1, 3, KEY_8), KEY(0, 2, KEY_9), |
| |
| KEY(6, 6, KEY_SPACE), |
| KEY(0, 0, KEY_KPASTERISK), /* * */ |
| KEY(0, 1, KEY_KPDOT), /* # */ |
| |
| KEY(4, 1, KEY_UP), |
| KEY(4, 3, KEY_DOWN), |
| KEY(4, 0, KEY_LEFT), |
| KEY(4, 2, KEY_RIGHT), |
| KEY(6, 0, KEY_HOME), |
| KEY(3, 2, KEY_END), |
| KEY(6, 1, KEY_DELETE), |
| KEY(5, 2, KEY_BACK), |
| KEY(6, 3, KEY_CAPSLOCK), /* KEY_LEFTSHIFT), */ |
| |
| KEY(4, 4, KEY_ENTER), /* scroll push */ |
| KEY(6, 2, KEY_ENTER), /* keypad action */ |
| |
| KEY(3, 1, KEY_SEND), |
| KEY(5, 3, KEY_RECORD), |
| KEY(5, 0, KEY_VOLUMEUP), |
| KEY(5, 1, KEY_VOLUMEDOWN), |
| |
| KEY(3, 0, KEY_F22), /* soft1 */ |
| KEY(3, 3, KEY_F23), /* soft2 */ |
| }; |
| |
| static struct matrix_keymap_data tavorevb_matrix_keymap_data = { |
| .keymap = tavorevb_matrix_key_map, |
| .keymap_size = ARRAY_SIZE(tavorevb_matrix_key_map), |
| }; |
| |
| static struct pxa27x_keypad_platform_data tavorevb_keypad_info = { |
| .matrix_key_rows = 7, |
| .matrix_key_cols = 7, |
| .matrix_keymap_data = &tavorevb_matrix_keymap_data, |
| .debounce_interval = 30, |
| }; |
| |
| static void __init tavorevb_init_keypad(void) |
| { |
| pxa_set_keypad_info(&tavorevb_keypad_info); |
| } |
| #else |
| static inline void tavorevb_init_keypad(void) {} |
| #endif /* CONFIG_KEYBOARD_PXA27x || CONFIG_KEYBOARD_PXA27x_MODULE */ |
| |
| #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) |
| static struct pwm_lookup tavorevb_pwm_lookup[] = { |
| PWM_LOOKUP("pxa27x-pwm.0", 1, "pwm-backlight.0", NULL, 100000, |
| PWM_POLARITY_NORMAL), |
| PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight.1", NULL, 100000, |
| PWM_POLARITY_NORMAL), |
| }; |
| |
| static struct platform_pwm_backlight_data tavorevb_backlight_data[] = { |
| [0] = { |
| /* primary backlight */ |
| .max_brightness = 100, |
| .dft_brightness = 100, |
| .enable_gpio = -1, |
| }, |
| [1] = { |
| /* secondary backlight */ |
| .max_brightness = 100, |
| .dft_brightness = 100, |
| .enable_gpio = -1, |
| }, |
| }; |
| |
| static struct platform_device tavorevb_backlight_devices[] = { |
| [0] = { |
| .name = "pwm-backlight", |
| .id = 0, |
| .dev = { |
| .platform_data = &tavorevb_backlight_data[0], |
| }, |
| }, |
| [1] = { |
| .name = "pwm-backlight", |
| .id = 1, |
| .dev = { |
| .platform_data = &tavorevb_backlight_data[1], |
| }, |
| }, |
| }; |
| |
| static uint16_t panel_init[] = { |
| /* DSTB OUT */ |
| SMART_CMD(0x00), |
| SMART_CMD_NOOP, |
| SMART_DELAY(1), |
| |
| SMART_CMD(0x00), |
| SMART_CMD_NOOP, |
| SMART_DELAY(1), |
| |
| SMART_CMD(0x00), |
| SMART_CMD_NOOP, |
| SMART_DELAY(1), |
| |
| /* STB OUT */ |
| SMART_CMD(0x00), |
| SMART_CMD(0x1D), |
| SMART_DAT(0x00), |
| SMART_DAT(0x05), |
| SMART_DELAY(1), |
| |
| /* P-ON Init sequence */ |
| SMART_CMD(0x00), /* OSC ON */ |
| SMART_CMD(0x00), |
| SMART_DAT(0x00), |
| SMART_DAT(0x01), |
| SMART_CMD(0x00), |
| SMART_CMD(0x01), /* SOURCE DRIVER SHIFT DIRECTION and display RAM setting */ |
| SMART_DAT(0x01), |
| SMART_DAT(0x27), |
| SMART_CMD(0x00), |
| SMART_CMD(0x02), /* LINE INV */ |
| SMART_DAT(0x02), |
| SMART_DAT(0x00), |
| SMART_CMD(0x00), |
| SMART_CMD(0x03), /* IF mode(1) */ |
| SMART_DAT(0x01), /* 8bit smart mode(8-8),high speed write mode */ |
| SMART_DAT(0x30), |
| SMART_CMD(0x07), |
| SMART_CMD(0x00), /* RAM Write Mode */ |
| SMART_DAT(0x00), |
| SMART_DAT(0x03), |
| SMART_CMD(0x00), |
| |
| /* DISPLAY Setting, 262K, fixed(NO scroll), no split screen */ |
| SMART_CMD(0x07), |
| SMART_DAT(0x40), /* 16/18/19 BPP */ |
| SMART_DAT(0x00), |
| SMART_CMD(0x00), |
| SMART_CMD(0x08), /* BP, FP Seting, BP=2H, FP=3H */ |
| SMART_DAT(0x03), |
| SMART_DAT(0x02), |
| SMART_CMD(0x00), |
| SMART_CMD(0x0C), /* IF mode(2), using internal clock & MPU */ |
| SMART_DAT(0x00), |
| SMART_DAT(0x00), |
| SMART_CMD(0x00), |
| SMART_CMD(0x0D), /* Frame setting, 1Min. Frequence, 16CLK */ |
| SMART_DAT(0x00), |
| SMART_DAT(0x10), |
| SMART_CMD(0x00), |
| SMART_CMD(0x12), /* Timing(1),ASW W=4CLK, ASW ST=1CLK */ |
| SMART_DAT(0x03), |
| SMART_DAT(0x02), |
| SMART_CMD(0x00), |
| SMART_CMD(0x13), /* Timing(2),OEV ST=0.5CLK, OEV ED=1CLK */ |
| SMART_DAT(0x01), |
| SMART_DAT(0x02), |
| SMART_CMD(0x00), |
| SMART_CMD(0x14), /* Timing(3), ASW HOLD=0.5CLK */ |
| SMART_DAT(0x00), |
| SMART_DAT(0x00), |
| SMART_CMD(0x00), |
| SMART_CMD(0x15), /* Timing(4), CKV ST=0CLK, CKV ED=1CLK */ |
| SMART_DAT(0x20), |
| SMART_DAT(0x00), |
| SMART_CMD(0x00), |
| SMART_CMD(0x1C), |
| SMART_DAT(0x00), |
| SMART_DAT(0x00), |
| SMART_CMD(0x03), |
| SMART_CMD(0x00), |
| SMART_DAT(0x04), |
| SMART_DAT(0x03), |
| SMART_CMD(0x03), |
| SMART_CMD(0x01), |
| SMART_DAT(0x03), |
| SMART_DAT(0x04), |
| SMART_CMD(0x03), |
| SMART_CMD(0x02), |
| SMART_DAT(0x04), |
| SMART_DAT(0x03), |
| SMART_CMD(0x03), |
| SMART_CMD(0x03), |
| SMART_DAT(0x03), |
| SMART_DAT(0x03), |
| SMART_CMD(0x03), |
| SMART_CMD(0x04), |
| SMART_DAT(0x01), |
| SMART_DAT(0x01), |
| SMART_CMD(0x03), |
| SMART_CMD(0x05), |
| SMART_DAT(0x00), |
| SMART_DAT(0x00), |
| SMART_CMD(0x04), |
| SMART_CMD(0x02), |
| SMART_DAT(0x00), |
| SMART_DAT(0x00), |
| SMART_CMD(0x04), |
| SMART_CMD(0x03), |
| SMART_DAT(0x01), |
| SMART_DAT(0x3F), |
| SMART_DELAY(0), |
| |
| /* DISP RAM setting: 240*320 */ |
| SMART_CMD(0x04), /* HADDR, START 0 */ |
| SMART_CMD(0x06), |
| SMART_DAT(0x00), |
| SMART_DAT(0x00), /* x1,3 */ |
| SMART_CMD(0x04), /* HADDR, END 4 */ |
| SMART_CMD(0x07), |
| SMART_DAT(0x00), |
| SMART_DAT(0xEF), /* x2, 7 */ |
| SMART_CMD(0x04), /* VADDR, START 8 */ |
| SMART_CMD(0x08), |
| SMART_DAT(0x00), /* y1, 10 */ |
| SMART_DAT(0x00), /* y1, 11 */ |
| SMART_CMD(0x04), /* VADDR, END 12 */ |
| SMART_CMD(0x09), |
| SMART_DAT(0x01), /* y2, 14 */ |
| SMART_DAT(0x3F), /* y2, 15 */ |
| SMART_CMD(0x02), /* RAM ADDR SETTING 16 */ |
| SMART_CMD(0x00), |
| SMART_DAT(0x00), |
| SMART_DAT(0x00), /* x1, 19 */ |
| SMART_CMD(0x02), /* RAM ADDR SETTING 20 */ |
| SMART_CMD(0x01), |
| SMART_DAT(0x00), /* y1, 22 */ |
| SMART_DAT(0x00), /* y1, 23 */ |
| }; |
| |
| static uint16_t panel_on[] = { |
| /* Power-IC ON */ |
| SMART_CMD(0x01), |
| SMART_CMD(0x02), |
| SMART_DAT(0x07), |
| SMART_DAT(0x7D), |
| SMART_CMD(0x01), |
| SMART_CMD(0x03), |
| SMART_DAT(0x00), |
| SMART_DAT(0x05), |
| SMART_CMD(0x01), |
| SMART_CMD(0x04), |
| SMART_DAT(0x00), |
| SMART_DAT(0x00), |
| SMART_CMD(0x01), |
| SMART_CMD(0x05), |
| SMART_DAT(0x00), |
| SMART_DAT(0x15), |
| SMART_CMD(0x01), |
| SMART_CMD(0x00), |
| SMART_DAT(0xC0), |
| SMART_DAT(0x10), |
| SMART_DELAY(30), |
| |
| /* DISP ON */ |
| SMART_CMD(0x01), |
| SMART_CMD(0x01), |
| SMART_DAT(0x00), |
| SMART_DAT(0x01), |
| SMART_CMD(0x01), |
| SMART_CMD(0x00), |
| SMART_DAT(0xFF), |
| SMART_DAT(0xFE), |
| SMART_DELAY(150), |
| }; |
| |
| static uint16_t panel_off[] = { |
| SMART_CMD(0x00), |
| SMART_CMD(0x1E), |
| SMART_DAT(0x00), |
| SMART_DAT(0x0A), |
| SMART_CMD(0x01), |
| SMART_CMD(0x00), |
| SMART_DAT(0xFF), |
| SMART_DAT(0xEE), |
| SMART_CMD(0x01), |
| SMART_CMD(0x00), |
| SMART_DAT(0xF8), |
| SMART_DAT(0x12), |
| SMART_CMD(0x01), |
| SMART_CMD(0x00), |
| SMART_DAT(0xE8), |
| SMART_DAT(0x11), |
| SMART_CMD(0x01), |
| SMART_CMD(0x00), |
| SMART_DAT(0xC0), |
| SMART_DAT(0x11), |
| SMART_CMD(0x01), |
| SMART_CMD(0x00), |
| SMART_DAT(0x40), |
| SMART_DAT(0x11), |
| SMART_CMD(0x01), |
| SMART_CMD(0x00), |
| SMART_DAT(0x00), |
| SMART_DAT(0x10), |
| }; |
| |
| static uint16_t update_framedata[] = { |
| /* write ram */ |
| SMART_CMD(0x02), |
| SMART_CMD(0x02), |
| |
| /* write frame data */ |
| SMART_CMD_WRITE_FRAME, |
| }; |
| |
| static void ltm020d550_lcd_power(int on, struct fb_var_screeninfo *var) |
| { |
| struct fb_info *info = container_of(var, struct fb_info, var); |
| |
| if (on) { |
| pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_init)); |
| pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_on)); |
| } else { |
| pxafb_smart_queue(info, ARRAY_AND_SIZE(panel_off)); |
| } |
| |
| if (pxafb_smart_flush(info)) |
| pr_err("%s: timed out\n", __func__); |
| } |
| |
| static void ltm020d550_update(struct fb_info *info) |
| { |
| pxafb_smart_queue(info, ARRAY_AND_SIZE(update_framedata)); |
| pxafb_smart_flush(info); |
| } |
| |
| static struct pxafb_mode_info toshiba_ltm020d550_modes[] = { |
| [0] = { |
| .xres = 240, |
| .yres = 320, |
| .bpp = 16, |
| .a0csrd_set_hld = 30, |
| .a0cswr_set_hld = 30, |
| .wr_pulse_width = 30, |
| .rd_pulse_width = 170, |
| .op_hold_time = 30, |
| .cmd_inh_time = 60, |
| |
| /* L_LCLK_A0 and L_LCLK_RD active low */ |
| .sync = FB_SYNC_HOR_HIGH_ACT | |
| FB_SYNC_VERT_HIGH_ACT, |
| }, |
| }; |
| |
| static struct pxafb_mach_info tavorevb_lcd_info = { |
| .modes = toshiba_ltm020d550_modes, |
| .num_modes = 1, |
| .lcd_conn = LCD_SMART_PANEL_8BPP | LCD_PCLK_EDGE_FALL, |
| .pxafb_lcd_power = ltm020d550_lcd_power, |
| .smart_update = ltm020d550_update, |
| }; |
| |
| static void __init tavorevb_init_lcd(void) |
| { |
| pwm_add_table(tavorevb_pwm_lookup, ARRAY_SIZE(tavorevb_pwm_lookup)); |
| platform_device_register(&tavorevb_backlight_devices[0]); |
| platform_device_register(&tavorevb_backlight_devices[1]); |
| pxa_set_fb_info(NULL, &tavorevb_lcd_info); |
| } |
| #else |
| static inline void tavorevb_init_lcd(void) {} |
| #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */ |
| |
| static void __init tavorevb_init(void) |
| { |
| /* initialize MFP configurations */ |
| pxa3xx_mfp_config(ARRAY_AND_SIZE(tavorevb_mfp_cfg)); |
| |
| pxa_set_ffuart_info(NULL); |
| pxa_set_btuart_info(NULL); |
| pxa_set_stuart_info(NULL); |
| |
| platform_device_register(&smc91x_device); |
| |
| tavorevb_init_lcd(); |
| tavorevb_init_keypad(); |
| } |
| |
| MACHINE_START(TAVOREVB, "PXA930 Evaluation Board (aka TavorEVB)") |
| /* Maintainer: Eric Miao <eric.miao@marvell.com> */ |
| .atag_offset = 0x100, |
| .map_io = pxa3xx_map_io, |
| .nr_irqs = PXA_NR_IRQS, |
| .init_irq = pxa3xx_init_irq, |
| .handle_irq = pxa3xx_handle_irq, |
| .init_time = pxa_timer_init, |
| .init_machine = tavorevb_init, |
| .restart = pxa_restart, |
| MACHINE_END |
