Re: [PATCH v3 RESEND] display: panel: Add AUO g070vvn01 display support (800x480)

From: Lukasz Majewski
Date: Sat May 19 2018 - 06:12:00 EST


Hi Thierry,

> This commit adds support for AUO's 7.0" display.
>

Thierry, shall I perform some more work on this code, or is it
eligible for applying to your tree?

Best regards,
Åukasz

> Signed-off-by: Lukasz Majewski <lukma@xxxxxxx>
> Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
>
> ---
> Changes for v3:
> - Remove not used 'bus-format-override = "rgb565";' property
>
> Changes for v2:
> - Add *.txt suffix to the auo,g070wn01 file
> ---
> .../bindings/display/panel/auo,g070vvn01.txt | 29
> ++++++++++++++++++++
> drivers/gpu/drm/panel/panel-simple.c | 31
> ++++++++++++++++++++++ 2 files changed, 60 insertions(+) create mode
> 100644
> Documentation/devicetree/bindings/display/panel/auo,g070vvn01.txt
>
> diff --git
> a/Documentation/devicetree/bindings/display/panel/auo,g070vvn01.txt
> b/Documentation/devicetree/bindings/display/panel/auo,g070vvn01.txt
> new file mode 100644 index 000000000000..49e4105378f6 --- /dev/null
> +++
> b/Documentation/devicetree/bindings/display/panel/auo,g070vvn01.txt
> @@ -0,0 +1,29 @@ +AU Optronics Corporation 7.0" FHD (800 x 480) TFT
> LCD panel +
> +Required properties:
> +- compatible: should be "auo,g070vvn01"
> +- backlight: phandle of the backlight device attached to the panel
> +- power-supply: single regulator to provide the supply voltage
> +
> +Required nodes:
> +- port: Parallel port mapping to connect this display
> +
> +This panel needs single power supply voltage. Its backlight is
> conntrolled +via PWM signal.
> +
> +Example:
> +--------
> +
> +Example device-tree definition when connected to iMX6Q based board
> +
> + lcd_panel: lcd-panel {
> + compatible = "auo,g070vvn01";
> + backlight = <&backlight_lcd>;
> + power-supply = <&reg_display>;
> +
> + port {
> + lcd_panel_in: endpoint {
> + remote-endpoint = <&lcd_display_out>;
> + };
> + };
> + };
> diff --git a/drivers/gpu/drm/panel/panel-simple.c
> b/drivers/gpu/drm/panel/panel-simple.c index
> cbf1ab404ee7..d9984bdb5bb5 100644 ---
> a/drivers/gpu/drm/panel/panel-simple.c +++
> b/drivers/gpu/drm/panel/panel-simple.c @@ -581,6 +581,34 @@ static
> const struct panel_desc auo_b133htn01 = { },
> };
>
> +static const struct display_timing auo_g070vvn01_timings = {
> + .pixelclock = { 33300000, 34209000, 45000000 },
> + .hactive = { 800, 800, 800 },
> + .hfront_porch = { 20, 40, 200 },
> + .hback_porch = { 87, 40, 1 },
> + .hsync_len = { 1, 48, 87 },
> + .vactive = { 480, 480, 480 },
> + .vfront_porch = { 5, 13, 200 },
> + .vback_porch = { 31, 31, 29 },
> + .vsync_len = { 1, 1, 3 },
> +};
> +
> +static const struct panel_desc auo_g070vvn01 = {
> + .timings = &auo_g070vvn01_timings,
> + .num_timings = 1,
> + .bpc = 8,
> + .size = {
> + .width = 152,
> + .height = 91,
> + },
> + .delay = {
> + .prepare = 200,
> + .enable = 50,
> + .disable = 50,
> + .unprepare = 1000,
> + },
> +};
> +
> static const struct drm_display_mode auo_g104sn02_mode = {
> .clock = 40000,
> .hdisplay = 800,
> @@ -2095,6 +2123,9 @@ static const struct of_device_id
> platform_of_match[] = { .compatible = "auo,b133xtn01",
> .data = &auo_b133xtn01,
> }, {
> + .compatible = "auo,g070vvn01",
> + .data = &auo_g070vvn01,
> + }, {
> .compatible = "auo,g104sn02",
> .data = &auo_g104sn02,
> }, {




Best regards,

Lukasz Majewski

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