diff options
| author | Richard Genoud <richard.genoud@gmail.com> | 2017-03-27 12:33:23 +0200 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2017-04-06 23:58:42 +0200 |
| commit | e4bac408b08437d190785ab1250cc676304ed171 (patch) | |
| tree | b1dcbe5df55d7b4e38e4404bdce7431ade92fb71 | |
| parent | 667eb7033da3ff06fa3ed9d1a0180c939e6a24eb (diff) | |
drm/panel: simple: Add support for Winstar WF35LTIACDdrm/panel/for-4.12-rc1drm/panel/for-next
This adds support for the Winstar Display Co. WF35LTIACD 3.5" QVGA TFT
LCD panel, which can be supported by the simple panel driver.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
| -rw-r--r-- | Documentation/devicetree/bindings/display/panel/winstar,wf35ltiacd.txt | 48 | ||||
| -rw-r--r-- | drivers/gpu/drm/panel/panel-simple.c | 28 |
2 files changed, 76 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/panel/winstar,wf35ltiacd.txt b/Documentation/devicetree/bindings/display/panel/winstar,wf35ltiacd.txt new file mode 100644 index 000000000000..2a7e6e3ba64c --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/winstar,wf35ltiacd.txt @@ -0,0 +1,48 @@ +Winstar Display Corporation 3.5" QVGA (320x240) TFT LCD panel + +Required properties: +- compatible: should be "winstar,wf35ltiacd" +- power-supply: regulator to provide the VCC supply voltage (3.3 volts) + +This binding is compatible with the simple-panel binding, which is specified +in simple-panel.txt in this directory. + +Example: + backlight: backlight { + compatible = "pwm-backlight"; + pwms = <&hlcdc_pwm 0 50000 PWM_POLARITY_INVERTED>; + brightness-levels = <0 31 63 95 127 159 191 223 255>; + default-brightness-level = <191>; + power-supply = <&bl_reg>; + }; + + bl_reg: backlight_regulator { + compatible = "regulator-fixed"; + regulator-name = "backlight-power-supply"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + }; + + panel: panel { + compatible = "winstar,wf35ltiacd", "simple-panel"; + backlight = <&backlight>; + power-supply = <&panel_reg>; + #address-cells = <1>; + #size-cells = <0>; + + port { + #address-cells = <1>; + #size-cells = <0>; + + panel_input: endpoint { + remote-endpoint = <&hlcdc_panel_output>; + }; + }; + }; + + panel_reg: panel_regulator { + compatible = "regulator-fixed"; + regulator-name = "panel-power-supply"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index 2a5536685fe8..c4566ce8fda7 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -1831,6 +1831,31 @@ static const struct panel_desc urt_umsh_8596md_parallel = { .bus_format = MEDIA_BUS_FMT_RGB666_1X18, }; +static const struct drm_display_mode winstar_wf35ltiacd_mode = { + .clock = 6410, + .hdisplay = 320, + .hsync_start = 320 + 20, + .hsync_end = 320 + 20 + 30, + .htotal = 320 + 20 + 30 + 38, + .vdisplay = 240, + .vsync_start = 240 + 4, + .vsync_end = 240 + 4 + 3, + .vtotal = 240 + 4 + 3 + 15, + .vrefresh = 60, + .flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC, +}; + +static const struct panel_desc winstar_wf35ltiacd = { + .modes = &winstar_wf35ltiacd_mode, + .num_modes = 1, + .bpc = 8, + .size = { + .width = 70, + .height = 53, + }, + .bus_format = MEDIA_BUS_FMT_RGB888_1X24, +}; + static const struct of_device_id platform_of_match[] = { { .compatible = "ampire,am-480272h3tmqw-t01h", @@ -2022,6 +2047,9 @@ static const struct of_device_id platform_of_match[] = { .compatible = "urt,umsh-8596md-20t", .data = &urt_umsh_8596md_parallel, }, { + .compatible = "winstar,wf35ltiacd", + .data = &winstar_wf35ltiacd, + }, { /* sentinel */ } }; |