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Added waveshare 7.0inch h dsi screen support #6764

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Merged
pelwell merged 2 commits into from
Apr 3, 2025
Merged

Added waveshare 7.0inch h dsi screen support #6764

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3424f6a
drm: panel: Added waveshare 7.0inch h dsi screen support
Apr 1, 2025
93b828b
overlays: Added waveshare 7.0inch h dsi screen support
Apr 1, 2025
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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 @@ -5502,6 +5502,7 @@ Params: 2_8_inch 2.8" 480x640
6_25_inch 6.25" 720x1560
8_8_inch 8.8" 480x1920
7_0_inchC 7.0" C 1024x600
7_0_inchH 7.0" H 1280x720
7_9_inch 7.9" 400x1280
8_0_inch 8.0" 1280x800
10_1_inch 10.1" 1280x800
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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 @@ -130,6 +130,9 @@
<&touch2>, "status=okay";
13_3_inch_2lane = <&panel>, "compatible=waveshare,13.3inch-2lane-panel",
<&touch2>, "status=okay";
7_0_inchH = <&panel>, "compatible=waveshare,7.0inch-h-panel",
<&touch>, "touchscreen-swapped-x-y?",
<&touch>, "touchscreen-inverted-x?";
i2c1 = <&i2c_frag>, "target:0=",<&i2c1>,
<0>, "-3-4+5";
disable_touch = <&touch>, "status=disabled";
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24 changes: 24 additions & 0 deletions drivers/gpu/drm/panel/panel-waveshare-dsi.c
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Expand Up @@ -303,6 +303,27 @@ static const struct ws_panel_data ws_panel_13_3_2lane_data = {
.mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_LPM,
};

/* 7.0inch 1280x720
* https://www.waveshare.com/7inch-dsi-lcd-h.htm
*/
static const struct drm_display_mode ws_panel_7_0_h_mode = {
.clock = 83333,
.hdisplay = 1280,
.hsync_start = 1280 + 64,
.hsync_end = 1280 + 64 + 64,
.htotal = 1280 + 64 + 64 + 64,
.vdisplay = 720,
.vsync_start = 720 + 64,
.vsync_end = 720 + 64 + 64,
.vtotal = 720 + 64 + 64 + 64,
};

static const struct ws_panel_data ws_panel_7_0_h_data = {
.mode = &ws_panel_7_0_h_mode,
.lanes = 2,
.mode_flags = MIPI_DSI_MODE_VIDEO_HSE | MIPI_DSI_MODE_VIDEO | MIPI_DSI_CLOCK_NON_CONTINUOUS,
};

static struct ws_panel *panel_to_ts(struct drm_panel *panel)
{
return container_of(panel, struct ws_panel, base);
Expand Down Expand Up @@ -587,6 +608,9 @@ static const struct of_device_id ws_panel_of_ids[] = {
}, {
.compatible = "waveshare,13.3inch-2lane-panel",
.data = &ws_panel_13_3_2lane_data,
}, {
.compatible = "waveshare,7.0inch-h-panel",
.data = &ws_panel_7_0_h_data,
}, {
/* sentinel */
}
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