我已经尝试了一段时间来集成新的主线驱动程序，但我无法让设备树工作
/dts-v1/;
#include "imx8mm.dtsi"
/ {
model = "Some board";
compa
tible = "project,board", "fsl,imx8mm";
chosen {
bootargs = "console=ttymxc1,115200 earlycon=ec_imx6q,0x30890000,115200";
stdout-path = &uart2;
};
pwm_backlight: 32e10000.mipi_dsi.0 {
compatible = "pwm-backlight";
pwms = <&pwm1 0 5000000>;
};
panel-lvds {
compatible = "panel-lvds";
backlight = <&pwm_backlight>;
width-mm = <152>;
height-mm = <91>;
data-mapping ="jeida-24";
panel-timing {
clock-frequency = <25000000>;
hactive = <800>;
vactive = <480>;
hback-porch = <14>;
hfront-porch = <26>;
vback-porch = <4>;
vfront-porch = <8>;
hsync-len = <12>;
vsync-len = <3>;
hsync-active = <0>;
vsync-active = <0>;
de-active = <1>;
pixelclk-active = <1>;
};
port {
bridge_to_panel: endpoint {
remote-endpoint = <&panel_from_bridge>;
};
};
};
};
&i2c2 {
clock-frequency = <400000>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c2>;
status = "okay";
dsi_lvds_bridge: sn65dsi83@2d {
compatible = "ti,sn65dsi83";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_dsi_lvds_bridge>;
reg = <0x2d>;
ti,dsi-lanes = <4>;
ti,lvds-format = <2>;
ti,lvds-bpp = <24>;
enable-gpios = <&gpio1 8 GPIO_ACTIVE_HIGH>;
status = "okay";
ports {
#address-cells = <0x01>;
#size-cells = <0x00>;
port@0 {
reg = <0>;
bridge_from_dsi: endpoint {
data-lanes = <1 2 3 4>;
remote-endpoint = <&bridge_to_dsi>;
};
};
port@2 {
reg = <2>;
panel_from_bridge: endpoint {
remote-endpoint = <&bridge_to_panel>;
};
};
};
};
};
&mipi_dsi {
sync-pol = <1>;
pwr-delay = <10>;
status = "okay";
port@1 {
bridge_to_dsi: endpoint {
remote-endpoint = <&bridge_from_dsi>;
attach-bridge;
};
};
};
这是启动日志
[ 1.645289] i2c i2c-0: IMX I2C adapter registered
[ 1.651487] i2c 1-002d: Fixing up cyclic dependency with panel-lvds
[ 1.657830] i2c 1-002d: Fixing up cyclic dependency with 32e10000.mipi_dsi
[ 1.847748] input: ILI210x Touchscreen as /devices/platform/soc@0/30800000.bus/30a30000.i2c/i2c-1/1-0041/input/input0
[ 1.859240] i2c i2c-1: IMX I2C adapter registered
[ 1.865812] i2c i2c-2: IMX I2C adapter registered
[ 1.872127] i2c i2c-3: IMX I2C adapter registered
[ 1.878042] 30860000.serial: ttymxc0 at MMIO 0x30860000 (irq = 41, base_baud = 5000000) is a IMX
[ 1.892803] imx-drm 32c00000.bus:display-subsystem: bound imx-lcdif-crtc.0 (ops lcdif_crtc_ops)
[ 1.901714] imx_sec_dsim_drv 32e10000.mipi_dsi: version number is 0x1060200
[ 1.908747] [drm:drm_bridge_attach] *ERROR* failed to attach bridge /soc@0/bus@32c00000/mipi_dsi@32e10000 to encoder DSI-34: -517
[ 1.920430] imx_sec_dsim_drv 32e10000.mipi_dsi: Failed to attach bridge: 32e10000.mipi_dsi
[ 1.928706] imx_sec_dsim_drv 32e10000.mipi_dsi: failed to bind sec dsim bridge: -517
[ 1.941849] tcan4x5x spi1.0: no clock found
[ 1.946058] tcan4x5x spi1.0: no CAN clock source defined
[ 1.981092] tcan4x5x spi1.0: m_can device registered (irq=99, version=32)
[ 1.987900] tcan4x5x spi1.0 can0: TCAN4X5X successfully initialized.
[ 1.995349] fec 30be0000.ethernet: enable ext clock
[ 2.000746] pps pps0: new PPS source ptp0
[ 2.014149] fec 30be0000.ethernet eth0: registered PHC device 0
[ 2.029015] ci_hdrc ci_hdrc.1: EHCI Host Controller
[ 2.033939] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 1
[ 2.054206] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00
[ 2.060774] hub 1-0:1.0: USB hub found
[ 2.064558] hub 1-0:1.0: 1 port detected
[ 2.071811] ------------[ cut here ]------------
[ 2.076443] WARNING: CPU: 3 PID: 9 at drivers/reset/core.c:765 __reset_control_get_internal+0x68/0x160
[ 2.085762] Modules linked in:
[ 2.088821] CPU: 3 PID: 9 Comm: kworker/u8:0 Not tainted 5.15.77-5.15.77-2.1.0+g9fcb3e81d284 #1
[ 2.097521] Hardware name: Eppendorf i.MX8MM VisioNize Touch Interface 2 DR4 (DT)
[ 2.105006] Workqueue: events_unbound deferred_probe_work_func
[ 2.110847] pstate: 20000005 (nzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[ 2.117810] pc : __reset_control_get_internal+0x68/0x160
[ 2.123126] lr : __of_reset_control_get+0x16c/0x1d0
[ 2.128007] sp : ffff800009e9b990
[ 2.131321] x29: ffff800009e9b990 x28: ffff000055c0d5e0 x27: ffff00000530d438
[ 2.138463] x26: 0000000000000001 x25: 0000000000000000 x24: 0000000000000001
[ 2.145606] x23: 0000000000000000 x22: ffff00000452cf80 x21: 0000000000000005
[ 2.152751] x20: ffff00000452cfa0 x19: ffff0000055aa500 x18: ffffffffffffffff
[ 2.159894] x17: 000000040044ffff x16: 00500072b5503510 x15: ffff00000530d10a
[ 2.167036] x14: ffffffffffffffff x13: 0000000000000018 x12: 0101010101010101
[ 2.174182] x11: 0000000000000018 x10: 0101010101010101 x9 : 0000000000000000
[ 2.181326] x8 : 7f7f7f7f7f7f7f7f x7 : 6c766f21ff726b6b x6 : 000000802370771f
[ 2.188470] x5 : fffffbfffdc09120 x4 : 0000000000000000 x3 : 0000000000000001
[ 2.195613] x2 : 0000000000000005 x1 : 0000000000000005 x0 : 0000000000000000
所以它说无法连接桥。我不知道我做错了什么。
