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| style="border-left:solid 2px #73B2C7; border-right:solid 2px #73B2C7;border-top:solid 2px #73B2C7; border-bottom:solid 2px #73B2C7; background-color:#edf8fb; padding:5px; color:#000000" |DESK-MX8M-L-2.0.0 release
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</pre>
====MITO 8M Mini====Here below an example of device tree configuration used on standard DAVE's kit for the MITO 8M Mini SOM: From <code>imx8mm-mito8mmini.dtsi</code>: <pre>......&i2c1 {... mipi_to_lvds: sn65dsi83@2c { compatible = "ti,sn65dsi83"; reg = <0x2c>; enable-gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>; interrupts-extended = <&gpio1 5 GPIO_ACTIVE_HIGH>; clocks = <&mipi_dsi 0>, <&clk IMX8MM_CLK_LCDIF_PIXEL>; clock-names = "mipi_clk", "pixel_clock"; display = <&display_subsystem>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_i2c1_sn65dsi83>; sync-delay = <512>; dsi-lanes = <4>; status = "okay"; lvds_ports: ports { #address-cells = <1>; #size-cells = <0>; port@0 { reg = <0>; lvds_in: endpoint { remote-endpoint = <&mipi_out>; data-lanes = <1 2 3 4>; }; }; }; };...}; &lcdif { status = "okay";}; &mipi_dsi { #clock-cells = <1>; status = "okay"; port@1 { mipi_out: endpoint { remote-endpoint = <&lvds_in>; attach-bridge; }; };}; &vpu_g1 { status = "okay";}; &vpu_g2 { status = "okay";}; &vpu_h1 { status = "okay";}; &gpu { status = "okay";};......</pre> From <code>imx8mm-mito8mmini-cb100a.dts</code> : <pre>...®ulators { reg_lvds_pwr: lvds_pwr { compatible = "regulator-fixed"; pinctrl-names = "default"; regulator-name = "lvds_pwr_en"; pinctrl-0 = <&pinctrl_lcd_3v3_enable>; gpio = <&gpio4 29 GPIO_ACTIVE_HIGH>; enable-active-high; regulator-boot-on; regulator-always-on; }; reg_5v_bl: 5v_bl { compatible = "regulator-fixed"; pinctrl-names = "default"; regulator-name = "5v_bl_en"; pinctrl-0 = <&pinctrl_lcd_5v_enable>; gpio = <&gpio5 5 GPIO_ACTIVE_HIGH>; enable-active-high; regulator-boot-on; regulator-always-on; };}; &i2c3 { lvds-to-hdmi-bridge@4c { compatible = "ite,it6263"; reg = <0x4c>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_it6263_en>; reset-gpios = <&gpio5 2 GPIO_ACTIVE_LOW>; status = "okay"; port { it6263_in: endpoint { remote-endpoint = <&lvds_out>; }; }; };}; &display_subsystem { status = "okay";}; &lvds_ports { port@2 { reg = <2>; lvds_out: endpoint { remote-endpoint = <&it6263_in>; attach-bridge; }; };}; &iomuxc { pinctrl_lcd_3v3_enable: lcd_3v3_en { fsl,pins = < MX8MM_IOMUXC_SAI3_RXC_GPIO4_IO29 0x19 >; }; pinctrl_lcd_5v_enable: lcd_5v_en { fsl,pins = < MX8MM_IOMUXC_SPDIF_EXT_CLK_GPIO5_IO5 0x19 >; }; pinctrl_it6263_en: it6263_en { fsl,pins = < MX8MM_IOMUXC_SAI3_MCLK_GPIO5_IO2 0x19 >; };}; </pre> ===Accessing the peripheral in ORCA SOM===
====Linux messages at boot time====
root@desk-mx8mp:~#
</pre>
===Accessing the peripheral in MITO 8M Mini===
====Linux messages at boot time====
<pre class="workstation-terminal">
...
...
[ 3.466020] imx-drm 32c00000.bus:display-subsystem: bound imx-lcdif-crtc.0 (ops lcdif_crtc_ops)
[ 3.759770] imx-drm 32c00000.bus:display-subsystem: bound imx-lcdif-crtc.0 (ops lcdif_crtc_ops)
[ 3.775867] imx-drm 32c00000.bus:display-subsystem: bound 32e10000.mipi_dsi (ops imx_sec_dsim_ops)
[ 3.785440] [drm] Initialized imx-drm 1.0.0 20120507 for 32c00000.bus:display-subsystem on minor 1
...
[ 6.341483] imx-drm 32c00000.bus:display-subsystem: [drm] fb0: imx-drmdrmfb frame buffer device
...
...
</pre>
=== Additional information ===
HDMI framebuffer can be accessed through the <code>modetest</code> utility accessing the <code>imx-drm</code> DRM device for NXP i.MX SoCs.
Here below an example of MITO 8M Mini configured for HDMI and LVDS outputs:
<pre class="workstation-terminal">
root@desk-mx8mm:~# modetest -M imx-drm
Encoders:
id crtc type possible crtcs possible clones
34 33 DSI 0x00000001 0x00000001
Connectors:
id encoder status name size (mm) modes encoders
35 34 connected HDMI-A-1 340x190 2 34
modes:
index name refresh (Hz) hdisp hss hse htot vdisp vss vse vtot
#0 1280x720 60.00 1280 1390 1430 1650 720 725 730 750 74250 flags: phsync, pvsync; type: driver
#1 1280x720 50.00 1280 1720 1760 1980 720 725 730 750 74250 flags: phsync, pvsync; type: driver
props:
1 EDID:
flags: immutable blob
blobs:
value:
00ffffffffffff002074560100000000
141f010380221378fe6435a5544f9e27
125054bfea0061400101010101010101
010101010101021900a050d015203020
780059c21000001e000000fc00543038
30410a20202020202020000000ff0030
303030303030300a20202020000000fd
00304b545413010a20202020202001c9
020334f1461202030401132309070783
01000067030c001000384467d85dc401
448001681a00000109283ce6e50f0000
0600e200ff0000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
00000000000000000000000000000000
000000000000000000000000000000ca
2 DPMS:
flags: enum
enums: On=0 Standby=1 Suspend=2 Off=3
value: 0
5 link-status:
flags: enum
enums: Good=0 Bad=1
value: 0
6 non-desktop:
flags: immutable range
values: 0 1
value: 0
4 TILE:
flags: immutable blob
blobs:
value:
CRTCs:
id fb pos size
33 39 (0,0) (1280x720)
#0 1280x720 60.00 1280 1390 1430 1650 720 725 730 750 74250 flags: phsync, pvsync; type: driver
props:
24 VRR_ENABLED:
flags: range
values: 0 1
value: 0
Planes:
id crtc fb CRTC x,y x,y gamma size possible crtcs
31 33 39 0,0 0,0 0 0x00000001
formats: XR24 AR24 RG16 XB24 AB24 RX24 RA24 AR15 XR15 AB15 XB15 BG16
props:
8 type:
flags: immutable enum
enums: Overlay=0 Primary=1 Cursor=2
value: 1
32 zpos:
flags: immutable range
values: 0 0
value: 0
Frame buffers:
id size pitch
</pre>
The connectors DRM names are: '''HDMI-A-1''' and '''LVDS-1'''. The releated device ''card'' is:
<pre class="workstation-terminal">
root@desk-mx8mm:~# ls -la /dev/dri/card*
crw-rw---- 1 root video 226, 0 Apr 29 00:39 /dev/dri/card0
crw-rw---- 1 root video 226, 1 Apr 29 00:39 /dev/dri/card1
</pre>
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[[Category:ORCA]]