[PATCH 0/3] drm: Add panel support for PDA 91-00156-A0

[PATCH 0/3] drm: Add panel support for PDA 91-00156-A0

[Eugen.Hristev at microchip.com]

Hello,

This patch series adds support for PDA (Precision Design Associates, Inc.)
vendor, and for the PDA 91-00156-A0 simple panel, together with the bindings.

The series is on top of http://anongit.freedesktop.org/git/drm/drm.git drm-next
branch.

Cristian Birsan (1):
  dt-bindings: drm/panel: simple: add support for PDA 91-00156-A0

Eugen Hristev (2):
  dt-bindings: add vendor prefix for PDA Precision Design Associates,
    Inc.
  drm/panel: simple: add support for PDA 91-00156-A0 panel

 .../bindings/display/panel/pda,91-00156-a0.txt     |  7 ++++++
 .../devicetree/bindings/vendor-prefixes.txt        |  1 +
 drivers/gpu/drm/panel/panel-simple.c               | 27 ++++++++++++++++++++++
 3 files changed, 35 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/panel/pda,91-00156-a0.txt

-- 
2.7.4

[PATCH 1/3] dt-bindings: add vendor prefix for PDA Precision Design Associates, Inc.

[Eugen.Hristev at microchip.com]

Precision Design Associates, Inc. (PDA) manufactures standard and custom
capacitive touch screens, LCD's embedded controllers and custom embedded
software. They specialize in industrial, rugged and outdoor applications.
Website: http://www.pdaatl.com/

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
---
 Documentation/devicetree/bindings/vendor-prefixes.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt b/Documentation/devicetree/bindings/vendor-prefixes.txt
index a2f4451..4e0a81c 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.txt
+++ b/Documentation/devicetree/bindings/vendor-prefixes.txt
@@ -295,6 +295,7 @@ ovti	OmniVision Technologies
 oxsemi	Oxford Semiconductor, Ltd.
 panasonic	Panasonic Corporation
 parade	Parade Technologies Inc.
+pda	Precision Design Associates, Inc.
 pericom	Pericom Technology Inc.
 pervasive	Pervasive Displays, Inc.
 phytec	PHYTEC Messtechnik GmbH
-- 
2.7.4

Re: [PATCH 1/3] dt-bindings: add vendor prefix for PDA Precision Design Associates, Inc.

[Rob Herring]

On Wed, 21 Nov 2018 08:47:57 +0000, <Eugen.Hristev@microchip.com> wrote:
> Precision Design Associates, Inc. (PDA) manufactures standard and custom
> capacitive touch screens, LCD's embedded controllers and custom embedded
> software. They specialize in industrial, rugged and outdoor applications.
> Website: http://www.pdaatl.com/
> 
> Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
> ---
>  Documentation/devicetree/bindings/vendor-prefixes.txt | 1 +
>  1 file changed, 1 insertion(+)
> 

Reviewed-by: Rob Herring <robh@kernel.org>

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[PATCH 2/3] dt-bindings: drm/panel: simple: add support for PDA 91-00156-A0

[Eugen.Hristev at microchip.com]

From: Cristian Birsan <cristian.birsan@microchip.com>

PDA 91-00156-A0 5.0 is a 5.0" WVGA TFT LCD panel.
This panel with backlight is found in PDA 5" LCD screen (TM5000 series or
AC320005-5).
Adding Device Tree bindings for this panel.

Signed-off-by: Cristian Birsan <cristian.birsan@microchip.com>
---
 .../devicetree/bindings/display/panel/pda,91-00156-a0.txt          | 7 +++++++
 1 file changed, 7 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/panel/pda,91-00156-a0.txt

diff --git a/Documentation/devicetree/bindings/display/panel/pda,91-00156-a0.txt b/Documentation/devicetree/bindings/display/panel/pda,91-00156-a0.txt
new file mode 100644
index 0000000..52f0da9
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/pda,91-00156-a0.txt
@@ -0,0 +1,7 @@
+PDA 91-00156-A0 5.0" WVGA TFT LCD panel
+
+Required properties:
+- compatible: should be "pda,91-00156-a0"
+
+This binding is compatible with the simple-panel binding, which is specified
+in simple-panel.txt in this directory.
-- 
2.7.4

Re: [PATCH 2/3] dt-bindings: drm/panel: simple: add support for PDA 91-00156-A0

[Rob Herring]

On Wed, Nov 21, 2018 at 08:48:00AM +0000, Eugen.Hristev@microchip.com wrote:
> From: Cristian Birsan <cristian.birsan@microchip.com>
> 
> PDA 91-00156-A0 5.0 is a 5.0" WVGA TFT LCD panel.
> This panel with backlight is found in PDA 5" LCD screen (TM5000 series or
> AC320005-5).
> Adding Device Tree bindings for this panel.
> 
> Signed-off-by: Cristian Birsan <cristian.birsan@microchip.com>
> ---
>  .../devicetree/bindings/display/panel/pda,91-00156-a0.txt          | 7 +++++++
>  1 file changed, 7 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/panel/pda,91-00156-a0.txt
> 
> diff --git a/Documentation/devicetree/bindings/display/panel/pda,91-00156-a0.txt b/Documentation/devicetree/bindings/display/panel/pda,91-00156-a0.txt
> new file mode 100644
> index 0000000..52f0da9
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/panel/pda,91-00156-a0.txt
> @@ -0,0 +1,7 @@
> +PDA 91-00156-A0 5.0" WVGA TFT LCD panel
> +
> +Required properties:
> +- compatible: should be "pda,91-00156-a0"
> +
> +This binding is compatible with the simple-panel binding, which is specified
> +in simple-panel.txt in this directory.

You need to explicitly list what properties from this are used. Does 
this have a single supply or did you just forget to add supplies for 
example? I don't know.

Rob

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[PATCH 3/3] drm/panel: simple: add support for PDA 91-00156-A0 panel

[Eugen.Hristev at microchip.com]

PDA 91-00156-A0 5.0 is a 5.0" WVGA TFT LCD panel.
This panel with backlight is found in PDA 5" LCD screen (TM5000 series or
AC320005-5).

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
---
 drivers/gpu/drm/panel/panel-simple.c | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 5fbee83..3fc9d0b 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -1984,6 +1984,30 @@ static const struct panel_desc ortustech_com43h4m85ulc = {
 	.bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_POSEDGE,
 };
 
+static const struct drm_display_mode pda_91_00156_a0_mode = {
+	.clock = 33300,
+	.hdisplay = 800,
+	.hsync_start = 800 + 1,
+	.hsync_end = 800 + 1 + 64,
+	.htotal = 800 + 1 + 64 + 64,
+	.vdisplay = 480,
+	.vsync_start = 480 + 1,
+	.vsync_end = 480 + 1 + 23,
+	.vtotal = 480 + 1 + 23 + 22,
+	.vrefresh = 60,
+};
+
+static const struct panel_desc pda_91_00156_a0  = {
+	.modes = &pda_91_00156_a0_mode,
+	.num_modes = 1,
+	.size = {
+		.width = 152,
+		.height = 91,
+	},
+	.bus_format = MEDIA_BUS_FMT_RGB888_1X24,
+};
+
+
 static const struct drm_display_mode qd43003c0_40_mode = {
 	.clock = 9000,
 	.hdisplay = 480,
@@ -2659,6 +2683,9 @@ static const struct of_device_id platform_of_match[] = {
 		.compatible = "ortustech,com43h4m85ulc",
 		.data = &ortustech_com43h4m85ulc,
 	}, {
+		.compatible = "pda,91-00156-a0",
+		.data = &pda_91_00156_a0,
+	}, {
 		.compatible = "qiaodian,qd43003c0-40",
 		.data = &qd43003c0_40,
 	}, {
-- 
2.7.4