[PATCH v2 0/2] Add CX9020 device tree

2017-07-13 Thread linux-kernel-dev 
From: Patrick Bruenn 

Add device tree for Beckhoff CX9020 Embedded PC.

The CX9020 differs from i.MX53 Quick Start Board by:
- use uart2 instead of uart1
- DVI-D connector instead of VGA
- no audio
- CCAT FPGA connected to emi
- enable rtc

Patrick Bruenn (2):
  ARM: dts: imx: add CX9020 Embedded PC device tree
  drm/panel: simple: Add support for ddc-only panel

 arch/arm/boot/dts/Makefile   |   1 +
 arch/arm/boot/dts/imx53-cx9020.dts   | 370 +++
 drivers/gpu/drm/panel/panel-simple.c |   6 +
 3 files changed, 377 insertions(+)
 create mode 100644 arch/arm/boot/dts/imx53-cx9020.dts

-- 
2.11.0


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[PATCH v3 2/2] drm/panel: simple: Add support for ddc-only panel

2017-07-13 Thread linux-kernel-dev 
From: Patrick Bruenn 

This is a fix for the CX9020 Embedded PC. On that device the 24-bit
parallel-display signal of the imx53 is combined with an I2C channel
and converted to DVI-D port. Devicetree magic always requires a panel
connected to the parallel-display port.
We add an empty panel_desc, to get recognized by the panel-simple
driver, which can then use the ddc bus to read the panels configuration.

Signed-off-by: Patrick Bruenn 
---
 drivers/gpu/drm/panel/panel-simple.c | 6 ++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/panel/panel-simple.c 
b/drivers/gpu/drm/panel/panel-simple.c
index c4566ce8fda7..52b2a7fb59ed 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -1856,6 +1856,9 @@ static const struct panel_desc winstar_wf35ltiacd = {
.bus_format = MEDIA_BUS_FMT_RGB888_1X24,
 };
 
+static const struct panel_desc simple_ddc_only = {
+};
+
 static const struct of_device_id platform_of_match[] = {
{
.compatible = "ampire,am-480272h3tmqw-t01h",
@@ -2050,6 +2053,9 @@ static const struct of_device_id platform_of_match[] = {
.compatible = "winstar,wf35ltiacd",
.data = &winstar_wf35ltiacd,
}, {
+   .compatible = "simple,ddc-only",
+   .data = &simple_ddc_only,
+   }, {
/* sentinel */
}
 };
-- 
2.11.0


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[PATCH v3 0/2] Add CX9020 device tree

2017-07-13 Thread linux-kernel-dev 
From: Patrick Bruenn 

Add device tree for Beckhoff CX9020 Embedded PC.

The CX9020 differs from i.MX53 Quick Start Board by:
- use uart2 instead of uart1
- DVI-D connector instead of VGA
- no audio
- CCAT FPGA connected to emi
- enable rtc

v3: add missing changelog, sorry about the noise
v2:
- include simple ddc-only panel patch
- keep alphabetic order of dts/Makefile
- configure uart2 with 'fsl,dte-mode'
- use display-0 and panel-0 as node names
- remove unnecessary "simple-bus" for fixed regulators


Patrick Bruenn (2):
  ARM: dts: imx: add CX9020 Embedded PC device tree
  drm/panel: simple: Add support for ddc-only panel

 arch/arm/boot/dts/Makefile   |   1 +
 arch/arm/boot/dts/imx53-cx9020.dts   | 370 +++
 drivers/gpu/drm/panel/panel-simple.c |   6 +
 3 files changed, 377 insertions(+)
 create mode 100644 arch/arm/boot/dts/imx53-cx9020.dts

-- 
2.11.0


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[PATCH v2 2/2] drm/panel: simple: Add support for ddc-only panel

2017-07-13 Thread linux-kernel-dev 
From: Patrick Bruenn 

This is a fix for the CX9020 Embedded PC. On that device the 24-bit
parallel-display signal of the imx53 is combined with an I2C channel
and converted to DVI-D port. Devicetree magic always requires a panel
connected to the parallel-display port.
We add an empty panel_desc, to get recognized by the panel-simple
driver, which can then use the ddc bus to read the panels configuration.

Signed-off-by: Patrick Bruenn 
---
 drivers/gpu/drm/panel/panel-simple.c | 6 ++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/panel/panel-simple.c 
b/drivers/gpu/drm/panel/panel-simple.c
index c4566ce8fda7..52b2a7fb59ed 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -1856,6 +1856,9 @@ static const struct panel_desc winstar_wf35ltiacd = {
.bus_format = MEDIA_BUS_FMT_RGB888_1X24,
 };
 
+static const struct panel_desc simple_ddc_only = {
+};
+
 static const struct of_device_id platform_of_match[] = {
{
.compatible = "ampire,am-480272h3tmqw-t01h",
@@ -2050,6 +2053,9 @@ static const struct of_device_id platform_of_match[] = {
.compatible = "winstar,wf35ltiacd",
.data = &winstar_wf35ltiacd,
}, {
+   .compatible = "simple,ddc-only",
+   .data = &simple_ddc_only,
+   }, {
/* sentinel */
}
 };
-- 
2.11.0


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