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Add panel for the waveshare dsi panel（V1） #7389

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Merged
6by9 merged 2 commits into from
May 21, 2026
+28 −0
Merged

Add panel for the waveshare dsi panel（V1） #7389

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a322620
drivers/gpu/drm/panel : Add Waveshare 6.25inch B screen support
May 20, 2026
a1ce2ed
arch/arm/boot/dts/overlays : Add Waveshare 6.25inch B screen support
May 20, 2026
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1 change: 1 addition & 0 deletions arch/arm/boot/dts/overlays/README
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Original file line number Diff line number Diff line change
Expand Up @@ -5937,6 +5937,7 @@ Params: 2_8_inch 2.8" 480x640
4_0_inchC 4.0" 720x720
5_0_inch 5.0" 720x1280
6_25_inch 6.25" 720x1560
6_25_inchB 6.25" B 720x1560
8_8_inch 8.8" 480x1920
7_0_inchC 7.0" C 1024x600
7_0_inchH 7.0" H 1280x720
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3 changes: 3 additions & 0 deletions arch/arm/boot/dts/overlays/vc4-kms-dsi-waveshare-panel-overlay.dts
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Expand Up @@ -125,6 +125,9 @@
6_25_inch = <&panel>, "compatible=waveshare,6.25inch-panel",
<&touch>, "touchscreen-inverted-x?",
<&touch>, "touchscreen-inverted-y?";
6_25_inchB = <&panel>, "compatible=waveshare,6.25inch-b-panel",
<&touch>, "touchscreen-inverted-x?",
<&touch>, "touchscreen-inverted-y?";
8_8_inch = <&panel>, "compatible=waveshare,8.8inch-panel";
13_3_inch_4lane = <&panel>, "compatible=waveshare,13.3inch-4lane-panel",
<&touch2>, "status=okay";
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24 changes: 24 additions & 0 deletions drivers/gpu/drm/panel/panel-waveshare-dsi.c
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Expand Up @@ -246,6 +246,27 @@ static const struct ws_panel_data ws_panel_6_25_data = {
.mode_flags = MIPI_DSI_MODE_VIDEO_HSE | MIPI_DSI_MODE_VIDEO | MIPI_DSI_CLOCK_NON_CONTINUOUS,
};

/* 6.25inch B 720x1560
* https://www.waveshare.com/6.25inch-dsi-lcd-b.htm
*/
static const struct drm_display_mode ws_panel_6_25_b_mode = {
.clock = 83333,
.hdisplay = 720,
.hsync_start = 720 + 50,
.hsync_end = 720 + 50 + 50,
.htotal = 720 + 50 + 50 + 50,
.vdisplay = 1560,
.vsync_start = 1560 + 9,
.vsync_end = 1560 + 9 + 9,
.vtotal = 1560 + 9 + 9 + 9,
};

static const struct ws_panel_data ws_panel_6_25_b_data = {
.mode = &ws_panel_6_25_b_mode,
.lanes = 2,
.mode_flags = MIPI_DSI_MODE_VIDEO_HSE | MIPI_DSI_MODE_VIDEO | MIPI_DSI_CLOCK_NON_CONTINUOUS,
};

/* 8.8inch 480x1920
* https://www.waveshare.com/8.8inch-dsi-lcd.htm
*/
Expand Down Expand Up @@ -599,6 +620,9 @@ static const struct of_device_id ws_panel_of_ids[] = {
}, {
.compatible = "waveshare,6.25inch-panel",
.data = &ws_panel_6_25_data,
}, {
.compatible = "waveshare,6.25inch-b-panel",
.data = &ws_panel_6_25_b_data,
}, {
.compatible = "waveshare,8.8inch-panel",
.data = &ws_panel_8_8_data,
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