A133驱动 st7701s[480x480]问题
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请问下，我现在用A133 驱动st7701s[480x480],dts配置如下，我配置了2lane ，奇怪的是lane2 lane3都有数据，不知道哪里没配置对，谢谢指点
lcd0: lcd0@01c0c000 { lcd_used = <1>; lcd_driver_name = "st7701s"; lcd_backlight = <100>; lcd_if = <4>; lcd_x = <480>; lcd_y = <480>; lcd_width = <72>; lcd_height = <72>; lcd_dclk_freq = <16>; lcd_pwm_used = <1>; lcd_pwm_ch = <3>; lcd_pwm_freq = <1000>; lcd_pwm_pol = <0>; lcd_pwm_max_limit = <255>; lcd_hbp = <30>; lcd_ht = <525>; lcd_hspw = <25>; lcd_vbp = <20>; lcd_vt = <525>; lcd_vspw = <8>; lcd_frm = <0>; lcd_gamma_en = <0>; lcd_bright_curve_en = <0>; lcd_cmap_en = <0>; deu_mode = <0>; lcdgamma4iep = <22>; smart_color = <90>; lcd_dsi_if = <0>; lcd_dsi_lane = <2>; lcd_dsi_format = <0>; lcd_dsi_te = <0>; lcd_dsi_eotp = <0>; lcd_pin_power = "dcdc1"; lcd_pin_power1 = "eldo3"; lcd_power = "dc1sw"; lcd_gpio_0 = <&r_pio PL 11 1 0 3 1>; pinctrl-0 = <&dsi2lane_pins_a>; pinctrl-1 = <&dsi2lane_pins_b>; } 驱动程序如下 /* drivers/video/sunxi/disp2/disp/lcd/ST7796S.c * * Copyright (c) 2017 Allwinnertech Co., Ltd. * Author: zhengxiaobin <zhengxiaobin@allwinnertech.com> * * he0801a-068 panel driver * * 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. * [lcd0] * lcd_used = 1 * * lcd_driver_name = "st7701s" * * lcd_bl_0_percent = 0 * lcd_bl_40_percent = 23 * lcd_bl_100_percent = 100 * lcd_backlight = 88 * * lcd_if = 4 * lcd_x = 480 * lcd_y = 640 * lcd_width = 36 * lcd_height = 65 * lcd_dclk_freq = 25 * * lcd_pwm_used = 1 * lcd_pwm_ch = 8 * lcd_pwm_freq = 50000 * lcd_pwm_pol = 1 * lcd_pwm_max_limit = 255 * * lcd_hbp = 70 * lcd_ht = 615 * lcd_hspw = 8 * lcd_vbp = 30 * lcd_vt = 690 * lcd_vspw = 10 * * lcd_dsi_if = 0 * lcd_dsi_lane = 2 * lcd_dsi_format = 0 * lcd_dsi_te = 0 * lcd_dsi_eotp = 0 * * lcd_frm = 0 * lcd_io_phase = 0x0000 * lcd_hv_clk_phase = 0 * lcd_hv_sync_polarity= 0 * lcd_gamma_en = 0 * lcd_bright_curve_en = 0 * lcd_cmap_en = 0 * * lcdgamma4iep = 22 * * ;lcd_bl_en = port:PD09<1><0><default><1> * lcd_power = "vcc-lcd" * lcd_pin_power = "vcc18-dsi" * lcd_pin_power1 = "vcc-pd" * * ;reset * lcd_gpio_0 = port:PD09<1><0><default><1> */ #include "st7701s.h" static void lcd_power_on(u32 sel); static void lcd_power_off(u32 sel); static void lcd_bl_open(u32 sel); static void lcd_bl_close(u32 sel); static void lcd_panel_init(u32 sel); static void lcd_panel_exit(u32 sel); #define panel_reset(sel, val) sunxi_lcd_gpio_set_value(sel, 0, val) #define DBG_INFO(format, args...) (printk("[ST7701S LCD INFO] LINE:%04d-->%s:"format, __LINE__, __func__, ##args)) #define DBG_ERR(format, args...) (printk("[ST7701S LCD ERR] LINE:%04d-->%s:"format, __LINE__, __func__, ##args)) static void lcd_cfg_panel_info(struct panel_extend_para *info) { DBG_INFO("\n"); u32 i = 0, j = 0; u32 items; u8 lcd_gamma_tbl[][2] = { {0, 0}, {15, 15}, {30, 30}, {45, 45}, {60, 60}, {75, 75}, {90, 90}, {105, 105}, {120, 120}, {135, 135}, {150, 150}, {165, 165}, {180, 180}, {195, 195}, {210, 210}, {225, 225}, {240, 240}, {255, 255}, }; u32 lcd_cmap_tbl[2][3][4] = { { {LCD_CMAP_G0, LCD_CMAP_B1, LCD_CMAP_G2, LCD_CMAP_B3}, {LCD_CMAP_B0, LCD_CMAP_R1, LCD_CMAP_B2, LCD_CMAP_R3}, {LCD_CMAP_R0, LCD_CMAP_G1, LCD_CMAP_R2, LCD_CMAP_G3}, }, { {LCD_CMAP_B3, LCD_CMAP_G2, LCD_CMAP_B1, LCD_CMAP_G0}, {LCD_CMAP_R3, LCD_CMAP_B2, LCD_CMAP_R1, LCD_CMAP_B0}, {LCD_CMAP_G3, LCD_CMAP_R2, LCD_CMAP_G1, LCD_CMAP_R0}, }, }; items = sizeof(lcd_gamma_tbl) / 2; for (i = 0; i < items - 1; i++) { u32 num = lcd_gamma_tbl[i + 1][0] - lcd_gamma_tbl[i][0]; for (j = 0; j < num; j++) { u32 value = 0; value = lcd_gamma_tbl[i][1] + ((lcd_gamma_tbl[i + 1][1] - lcd_gamma_tbl[i][1]) * j) / num; info->lcd_gamma_tbl[lcd_gamma_tbl[i][0] + j] = (value << 16) + (value << 8) + value; } } info->lcd_gamma_tbl[255] = (lcd_gamma_tbl[items - 1][1] << 16) + (lcd_gamma_tbl[items - 1][1] << 8) + lcd_gamma_tbl[items - 1][1]; memcpy(info->lcd_cmap_tbl, lcd_cmap_tbl, sizeof(lcd_cmap_tbl)); } static s32 lcd_open_flow(u32 sel) { DBG_INFO("\n"); LCD_OPEN_FUNC(sel, lcd_power_on, 0); LCD_OPEN_FUNC(sel, lcd_panel_init, 10); LCD_OPEN_FUNC(sel, sunxi_lcd_tcon_enable, 10); LCD_OPEN_FUNC(sel, lcd_bl_open, 0); return 0; } static s32 lcd_close_flow(u32 sel) { DBG_INFO("\n"); LCD_CLOSE_FUNC(sel, lcd_bl_close, 0); LCD_CLOSE_FUNC(sel, lcd_panel_exit, 10); LCD_CLOSE_FUNC(sel, sunxi_lcd_tcon_disable, 0); LCD_CLOSE_FUNC(sel, lcd_power_off, 0); return 0; } static void lcd_power_on(u32 sel) { sunxi_lcd_pin_cfg(sel, 1); sunxi_lcd_power_enable(sel, 0); // sunxi_lcd_power_enable(sel, 1); sunxi_lcd_delay_ms(10); /* reset lcd by gpio */ panel_reset(sel, 1); sunxi_lcd_delay_ms(1); panel_reset(sel, 0); sunxi_lcd_delay_ms(1); panel_reset(sel, 1); sunxi_lcd_delay_ms(10); } static void lcd_power_off(u32 sel) { sunxi_lcd_pin_cfg(sel, 0); sunxi_lcd_delay_ms(1); panel_reset(sel, 0); sunxi_lcd_delay_ms(1); sunxi_lcd_power_disable(sel, 0); } static void lcd_bl_open(u32 sel) { sunxi_lcd_pwm_enable(sel); sunxi_lcd_backlight_enable(sel); } static void lcd_bl_close(u32 sel) { sunxi_lcd_backlight_disable(sel); sunxi_lcd_pwm_disable(sel); } #define REGFLAG_DELAY 0XFE #define REGFLAG_END_OF_TABLE 0xFC /* END OF REGISTERS MARKER */ struct LCM_setting_table { u8 cmd; u32 count; u8 para_list[18]; }; static struct LCM_setting_table lcm_initialization_setting[] = { {0x11, 1, {0x00} }, {REGFLAG_DELAY, 60, {} }, {0xff, 5, {0x77, 0x01, 0x00, 0x00, 0x10} }, {0xc0, 2, {0x4f, 0x00} }, {0xc1, 2, {0x07, 0x02} }, {0xc2, 2, {0x31, 0x05} }, {0xcc, 1, {0x10} }, {0xb0, 16, {0x00, 0x0a, 0x11, 0x0c, 0x10, 0x05, 0x00, 0x08, 0x08, 0x1f, 0x07, 0x13, 0x10, 0xa9, 0x30, 0x18} }, {0xb1, 16, {0x00, 0x0b, 0x11, 0x0d, 0x0f, 0x05, 0x02, 0x07, 0x06, 0x20, 0x05, 0x15, 0x13, 0xa9, 0x30, 0x18} }, {0xff, 5, {0x77, 0x01, 0x00, 0x00, 0x11} }, {0xb0, 1, {0x53} }, {0xb1, 1, {0x60} }, {0xb2, 1, {0x07} }, {0xb3, 1, {0x08} }, {0xb5, 1, {0x49} }, {0xb7, 1, {0x85} }, {0xb8, 1, {0x21} }, {0xb9, 1, {0x10} }, {0xc1, 1, {0x78} }, {0xc2, 1, {0x78} }, {REGFLAG_DELAY, 50, {} }, {0xd0, 1, {0x88} }, {0xe0, 3, {0x00, 0x00, 0x02} }, {0xe1, 11, {0x03, 0xa0, 0x00, 0x00, 0x02, 0xa0, 0x00, 0x00, 0x00, 0x33, 0x33} }, {0xe2, 12, {0x22, 0x22, 0x33, 0x33, 0x88, 0xa0, 0x00, 0x00, 0x87, 0xa0, 0x00, 0x00} }, {0xe3, 4, {0x00, 0x00, 0x22, 0x22} }, {0xe4, 2, {0x44, 0x44} }, {0xe5, 16, {0x04, 0x84, 0xa0, 0xa0, 0x06, 0x86, 0xa0, 0xa0, 0x08, 0x88, 0xa0, 0xa0, 0x0a, 0x8a, 0xa0, 0xa0} }, {0xe6, 4, {0x00, 0x00, 0x22, 0x22} }, {0xe7, 2, {0x44, 0x44} }, {0xe8, 16, {0x03, 0x83, 0xa0, 0xa0, 0x05, 0x85, 0xa0, 0xa0, 0x07, 0x87, 0xa0, 0xa0, 0x09, 0x89, 0xa0, 0xa0} }, {0xeb, 7, {0x00, 0x01, 0xe4, 0xe4, 0x88, 0x00, 0x40} }, {0xec, 2, {0x3c, 0x01} }, {0xed, 16, {0xab, 0x89, 0x76, 0x54, 0x02, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x20, 0x45, 0x67, 0x98, 0xba} }, {0xff, 5, {0x77, 0x01, 0x00, 0x00, 0x00} }, {REGFLAG_DELAY, 50, {} }, {0x29, 1, {0x00} }, {REGFLAG_END_OF_TABLE, 0x00, {} } }; static void lcd_panel_init(u32 sel) { u32 i = 0; sunxi_lcd_dsi_clk_enable(sel); sunxi_lcd_delay_ms(10); for (i = 0;; i++) { if (lcm_initialization_setting[i].cmd == REGFLAG_END_OF_TABLE) break; else if (lcm_initialization_setting[i].cmd == REGFLAG_DELAY) sunxi_lcd_delay_ms(lcm_initialization_setting[i].count); else { dsi_dcs_wr(0, lcm_initialization_setting[i].cmd, lcm_initialization_setting[i].para_list, lcm_initialization_setting[i].count); } } } static void lcd_panel_exit(u32 sel) { sunxi_lcd_dsi_dcs_write_0para(sel, 0x28); sunxi_lcd_delay_ms(10); sunxi_lcd_dsi_dcs_write_0para(sel, 0x10); sunxi_lcd_delay_ms(10); } /*sel: 0:lcd0; 1:lcd1*/ static s32 lcd_user_defined_func(u32 sel, u32 para1, u32 para2, u32 para3) { return 0; } struct __lcd_panel st7701s_panel = { /* panel driver name, must mach the name of * lcd_drv_name in sys_config.fex */ .name = "st7701s", .func = { .cfg_panel_info = lcd_cfg_panel_info, .cfg_open_flow = lcd_open_flow, .cfg_close_flow = lcd_close_flow, .lcd_user_defined_func = lcd_user_defined_func, }, };现在屏幕背光可以，但是屏幕没被点亮，请问可能是哪里问题？
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uboot的设备树和kernel的设备树都需要配置
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