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RK3288W Android8.1的知识点分享，绝对实用

1590 RK3288

问答对人有帮助，内容完整，我也想知道答案 0 RK3288W Android8.1的知识点分享，绝对实用 0
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答案对人有帮助，有参考价值 0 1、板子是参考官方公版设计，SDK版本是RK3288_ANDROID8.1_SDK_20180512； 2、解压SDK，直接执行source build.sh，再执行./mkimage.sh，烧录进板子，发现系统正常启动。 3、设备只有HDMI和LVDS，点LVDS屏，修改屏参，修改文件rk3288-evb-android-rk808-edp.dts； /dts-v1/; #include "rk3288-evb.dtsi" #include "rk3288-android.dtsi" / { compatible = "rockchip,rk3288-evb-android-rk808-edp", "rockchip,rk3288"; sdio_pwrseq: sdio-pwrseq { compatible = "mmc-pwrseq-simple"; clocks = ; clock-names = "ext_clock"; pinctrl-names = "default"; pinctrl-0 = ; /* * On the module itself this is one of these (depending * on the actual card populated): * - SDIO_RESET_L_WL_REG_ON * - PDN (power down when low) / reset-gpios = ; }; wireless-bluetooth { clocks = ; clock-names = "ext_clock"; }; /delete-node/ sdmmc-regulator; vcc_lcd: vcc-lcd { compatible = "regulator-fixed"; regulator-boot-on; enable-active-high; gpio = ; pinctrl-names = "default"; pinctrl-0 = ; regulator-name = "vcc_lcd"; vin-supply = ; }; }; &cpu0 { cpu-supply = ; }; &cif_isp0 { status = "okay"; }; &dfi { status = "okay"; }; &lvds_in_vopl { status = "okay"; }; &lvds_in_vopb { status = "disabled"; }; &route_lvds { status = "okay"; }; &lvds { status = "okay"; }; &lvds_panel { status = "okay"; ; backlight = ; bus-format = ; power-supply = ; delay,disable = <10>; enable-gpios = ; //rockchip,data-mapping = "jeida"; rockchip,data-mapping = "vesa"; rockchip,data-width = <24>; rockchip,output = "duallvds"; display-timings { native-mode = ; timing0: timing0 { clock-frequency = <148000000>; hactive = <1920>; / Horizontal display area thd 1024 DCLK / vactive = <1080>; / Vertical display area tvd 600 H / hback-porch = <48>; / HS Width +Back Porch 160 160 160 DCLK (Thw+ thbp)/ hfront-porch = <60>; / HS front porch thfp 16 160 216 DCLK / vback-porch = <8>; / VS front porch tvfp 1 12 127 H / vfront-porch = <33>; / VS Width+Back Porch 23 23 23 H (Tvw+ tvbp) / hsync-len = <32>; / HS Pulse Width thw 1 - 140 DCLK / vsync-len = <4>; / VS Pulse Width tvw 1 - 20 H / hsync-active = <0>; vsync-active = <0>; de-active = <0>; pixelclk-active = <0>; }; }; }; &gpu { status = "okay"; mali-supply = ; }; &gmac { max-speed = <1000>; }; &hdmi_analog_sound { status = "disabled"; }; &i2c0 { clock-frequency = <400000>; rk808: pmic@1b { compatible = "rockchip,rk808"; reg = <0x1b>; interrupt-parent = ; interrupts = <4 IRQ_TYPE_LEVEL_LOW>; pinctrl-names = "default"; pinctrl-0 = ; rockchip,system-power-controller; wakeup-source; #clock-cells = <1>; clock-output-names = "xin32k", "rk808-clkout2"; vcc1-supply = ; vcc2-supply = ; vcc3-supply = ; vcc4-supply = ; vcc6-supply = ; vcc8-supply = ; vcc9-supply = ; vcc12-supply = ; vddio-supply = ; regulators { vdd_cpu: DCDC_REG1 { regulator-always-on; regulator-boot-on; regulator-min-microvolt = <750000>; regulator-max-microvolt = <1400000>; regulator-name = "vdd_arm"; regulator-state-mem { regulator-off-in-suspend; }; }; vdd_gpu: DCDC_REG2 { regulator-always-on; regulator-boot-on; regulator-min-microvolt = <850000>; regulator-max-microvolt = <1250000>; regulator-name = "vdd_gpu"; regulator-ramp-delay = <6000>; regulator-state-mem { regulator-off-in-suspend; }; }; vcc_ddr: DCDC_REG3 { regulator-always-on; regulator-boot-on; regulator-name = "vcc_ddr"; regulator-state-mem { regulator-on-in-suspend; }; }; vcc_io: DCDC_REG4 { regulator-always-on; regulator-boot-on; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; regulator-name = "vcc_io"; regulator-state-mem { regulator-on-in-suspend; regulator-suspend-microvolt = <3300000>; }; }; vcc_tp: LDO_REG1 { regulator-always-on; regulator-boot-on; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; regulator-name = "vcc_tp"; regulator-state-mem { regulator-off-in-suspend; }; }; vcca_codec: LDO_REG2 { regulator-always-on; regulator-boot-on; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; regulator-name = "vcca_codec"; regulator-state-mem { regulator-on-in-suspend; regulator-suspend-microvolt = <3300000>; }; }; vdd_10: LDO_REG3 { regulator-always-on; regulator-boot-on; regulator-min-microvolt = <1000000>; regulator-max-microvolt = <1000000>; regulator-name = "vdd_10"; regulator-state-mem { regulator-on-in-suspend; regulator-suspend-microvolt = <1000000>; }; }; vcc_wl: LDO_REG4 { regulator-always-on; regulator-boot-on; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-name = "vcc_wl"; regulator-state-mem { regulator-on-in-suspend; }; }; vccio_sd: LDO_REG5 { regulator-always-on; regulator-boot-on; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <3300000>; regulator-name = "vccio_sd"; regulator-state-mem { regulator-off-in-suspend; }; }; vdd10_lcd: LDO_REG6 { regulator-always-on; regulator-boot-on; regulator-min-microvolt = <1000000>; regulator-max-microvolt = <1000000>; regulator-name = "vdd10_lcd"; regulator-state-mem { regulator-off-in-suspend; }; }; vcc_18: LDO_REG7 { regulator-always-on; regulator-boot-on; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-name = "vcc_18"; regulator-state-mem { regulator-on-in-suspend; regulator-suspend-microvolt = <1800000>; }; }; vcc18_lcd: LDO_REG8 { regulator-always-on; regulator-boot-on; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-name = "vcc18_lcd"; regulator-state-mem { regulator-off-in-suspend; }; }; vcc_sd: SWITCH_REG1 { regulator-always-on; regulator-boot-on; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; regulator-name = "vcc_sd"; regulator-state-mem { regulator-off-in-suspend; }; }; vccio_pmu: SWITCH_REG2 { regulator-always-on; regulator-boot-on; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; regulator-name = "vccio_pmu"; regulator-state-mem { regulator-off-in-suspend; }; }; }; }; CW2015@62 { compatible = "cw201x"; reg = <0x62>; bat_low_gpio = ; dc_det_gpio = ; chg_ok_gpio = ; bat_config_info = <0x15 0x42 0x60 0x59 0x52 0x58 0x4D 0x48 0x48 0x44 0x44 0x46 0x49 0x48 0x32 0x24 0x20 0x17 0x13 0x0F 0x19 0x3E 0x51 0x45 0x08 0x76 0x0B 0x85 0x0E 0x1C 0x2E 0x3E 0x4D 0x52 0x52 0x57 0x3D 0x1B 0x6A 0x2D 0x25 0x43 0x52 0x87 0x8F 0x91 0x94 0x52 0x82 0x8C 0x92 0x96 0xFF 0x7B 0xBB 0xCB 0x2F 0x7D 0x72 0xA5 0xB5 0xC1 0x46 0xAE>; is_dc_charge = <1>; is_u**_charge = <0>; monitor_sec = <5>; virtual_power = <0>; divider_res1 = <200>; divider_res2 = <200>; }; }; &i2c1 { status = "okay"; clock-frequency = <400000>; mpu6050@68 { compatible = "invensense,mpu6050"; status = "okay"; pinctrl-names = "default"; pinctrl-0 = ; reg = <0x68>; irq-gpio = ; mpu-int_config = <0x10>; mpu-level_shifter = <0>; mpu-orientation = <0 1 0 1 0 0 0 0 1>; orientation-x= <0>; orientation-y= <0>; orientation-z= <1>; support-hw-poweroff = <0>; mpu-debug = <1>; }; ak8963:compass@0d{ compatible = "mpu_ak8963"; reg = <0x0d>; compass-bus = <0>; compass-adapt_num = <0>; compass-orientation = <1 0 0 0 1 0 0 0 1>; orientation-x= <0>; orientation-y= <0>; orientation-z= <1>; compass-debug = <1>; status = "okay"; }; }; &io_domains { status = "okay"; audio-supply = ; bb-supply = ; dvp-supply = ; flash0-supply = ; flash1-supply = ; gpio30-supply = ; gpio1830 = ; lcdc-supply = ; sdcard-supply = ; wifi-supply = ; }; &rockchip_suspend { status = "okay"; rockchip,pwm-regulator-config = < (0 \| PWM1_REGULATOR_EN ) >; }; &pwm1 { status = "okay"; pinctrl-names = "active"; pinctrl-0 = ; }; &pinctrl { lcd { lcd_en: lcd-en { rockchip,pins = <7 3 RK_FUNC_GPIO &pcfg_pull_none>; }; }; mpu6050 { mpu6050_irq_gpio: mpu6050-irq-gpio { rockchip,pins = <8 0 RK_FUNC_GPIO &pcfg_pull_none>; }; }; }; 4、烧录进去，完美点亮； 5、系统默认显示中文； alpsdevicerockchiprk3288device.mk 添加以下代码： PRODUCT_PROPERTY_OVERRIDES += persist.sys.timezone=Asia/Shanghai persist.sys.language=zh persist.sys.country=CN 6、修改屏幕密度 ro.sf.lcd_density=160 7、关闭节能模式 alpsframeworkspackagesSettingsProviderresvaluesdefaults.xml false 8、设置屏幕永不休眠； alpsframeworkspackagesSettingsProviderresvaluesdefaults.xml -1 -1 发觉改动无效。。。。。。。下班，下周继续，查看源代码。

2022-3-4 14:39:11 评论举报王洋