2018-10-24 13:00:30

by Sébastien Szymanski

Subject: [RESEND PATCH 1/2] drm/panel: Add support for Armadeus ST0700 Adapt

This patch adds support for the Armadeus ST0700 Adapt. It comes with a
Santek ST0700I5Y-RBSLW 7.0" WVGA (800x480) TFT and an adapter board so
that it can be connected on the TFT header of Armadeus Dev boards.

Signed-off-by: Sébastien Szymanski <[email protected]>
---
.../display/panel/armadeus,st0700-adapt.txt | 9 +++++++
drivers/gpu/drm/panel/panel-simple.c | 29 ++++++++++++++++++++++
2 files changed, 38 insertions(+)
create mode 100644 Documentation/devicetree/bindings/display/panel/armadeus,st0700-adapt.txt

diff --git a/Documentation/devicetree/bindings/display/panel/armadeus,st0700-adapt.txt b/Documentation/devicetree/bindings/display/panel/armadeus,st0700-adapt.txt
new file mode 100644
index 000000000000..a30d63db3c8f
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/armadeus,st0700-adapt.txt
@@ -0,0 +1,9 @@
+Armadeus ST0700 Adapt. A Santek ST0700I5Y-RBSLW 7.0" WVGA (800x480) TFT with
+an adapter board.
+
+Required properties:
+- compatible: "armadeus,st0700-adapt"
+- power-supply: see panel-common.txt
+
+Optional properties:
+- backlight: see panel-common.txt
diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c
index 97964f7f2ace..e96df00a1c00 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -436,6 +436,32 @@ static const struct panel_desc ampire_am800480r3tmqwa1h = {
.bus_format = MEDIA_BUS_FMT_RGB666_1X18,
};

+static const struct display_timing santek_st0700i5y_rbslw_f_timing = {
+ .pixelclock = { 26400000, 33300000, 46800000 },
+ .hactive = { 800, 800, 800 },
+ .hfront_porch = { 16, 210, 354 },
+ .hback_porch = { 45, 36, 6 },
+ .hsync_len = { 1, 10, 40 },
+ .vactive = { 480, 480, 480 },
+ .vfront_porch = { 7, 22, 147 },
+ .vback_porch = { 22, 13, 3 },
+ .vsync_len = { 1, 10, 20 },
+ .flags = DISPLAY_FLAGS_HSYNC_LOW | DISPLAY_FLAGS_VSYNC_LOW |
+ DISPLAY_FLAGS_DE_HIGH | DISPLAY_FLAGS_PIXDATA_POSEDGE
+};
+
+static const struct panel_desc armadeus_st0700_adapt = {
+ .timings = &santek_st0700i5y_rbslw_f_timing,
+ .num_timings = 1,
+ .bpc = 6,
+ .size = {
+ .width = 154,
+ .height = 86,
+ },
+ .bus_format = MEDIA_BUS_FMT_RGB666_1X18,
+ .bus_flags = DRM_BUS_FLAG_DE_HIGH | DRM_BUS_FLAG_PIXDATA_POSEDGE,
+};
+
static const struct drm_display_mode auo_b101aw03_mode = {
.clock = 51450,
.hdisplay = 1024,
@@ -2330,6 +2356,9 @@ static const struct of_device_id platform_of_match[] = {
}, {
.compatible = "ampire,am800480r3tmqwa1h",
.data = &ampire_am800480r3tmqwa1h,
+ }, {
+ .compatible = "armadeus,st0700-adapt",
+ .data = &armadeus_st0700_adapt,
}, {
.compatible = "auo,b101aw03",
.data = &auo_b101aw03,
--
2.16.4

2018-10-24 13:04:44

by Sébastien Szymanski

Subject: [RESEND PATCH 2/2] ARM: dts: opos6uldev: use OF graph to describe the display

To make use of the new eLCDIF DRM driver OF graph description is
required. Describe the display using OF graph nodes.

Signed-off-by: Sébastien Szymanski <[email protected]>
---
arch/arm/boot/dts/imx6ul-opos6uldev.dts | 37 ++++++++++++++-------------------
1 file changed, 16 insertions(+), 21 deletions(-)

diff --git a/arch/arm/boot/dts/imx6ul-opos6uldev.dts b/arch/arm/boot/dts/imx6ul-opos6uldev.dts
index 0e59ee57fd55..8ecdb9ad2b2e 100644
--- a/arch/arm/boot/dts/imx6ul-opos6uldev.dts
+++ b/arch/arm/boot/dts/imx6ul-opos6uldev.dts
@@ -56,7 +56,7 @@
stdout-path = &uart1;
};

- backlight {
+ backlight: backlight {
compatible = "pwm-backlight";
pwms = <&pwm3 0 191000>;
brightness-levels = <0 4 8 16 32 64 128 255>;
@@ -97,6 +97,18 @@
gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>;
};

+ panel: panel {
+ compatible = "armadeus,st0700-adapt";
+ power-supply = <&reg_3v3>;
+ backlight = <&backlight>;
+
+ port {
+ panel_in: endpoint {
+ remote-endpoint = <&lcdif_out>;
+ };
+ };
+ };
+
reg_5v: regulator-5v {
compatible = "regulator-fixed";
regulator-name = "5V";
@@ -182,28 +194,11 @@
&lcdif {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_lcdif>;
- display = <&display0>;
- lcd-supply = <&reg_3v3>;
status = "okay";

- display0: display0 {
- bits-per-pixel = <32>;
- bus-width = <18>;
-
- display-timings {
- timing0: timing0 {
- clock-frequency = <33000033>;
- hactive = <800>;
- vactive = <480>;
- hback-porch = <96>;
- hfront-porch = <96>;
- vback-porch = <20>;
- vfront-porch = <21>;
- hsync-len = <64>;
- vsync-len = <4>;
- de-active = <1>;
- pixelclk-active = <0>;
- };
+ port {
+ lcdif_out: endpoint {
+ remote-endpoint = <&panel_in>;
};
};
};
--
2.16.4

2018-10-25 21:19:11

by Rob Herring (Arm)

Subject: Re: [RESEND PATCH 1/2] drm/panel: Add support for Armadeus ST0700 Adapt

On Wed, 24 Oct 2018 14:54:56 +0200, =?UTF-8?q?S=C3=A9bastien=20Szymanski?= wrote:
> This patch adds support for the Armadeus ST0700 Adapt. It comes with a
> Santek ST0700I5Y-RBSLW 7.0" WVGA (800x480) TFT and an adapter board so
> that it can be connected on the TFT header of Armadeus Dev boards.
>
> Signed-off-by: S?bastien Szymanski <[email protected]>
> ---
> .../display/panel/armadeus,st0700-adapt.txt | 9 +++++++
> drivers/gpu/drm/panel/panel-simple.c | 29 ++++++++++++++++++++++
> 2 files changed, 38 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/display/panel/armadeus,st0700-adapt.txt
>

Reviewed-by: Rob Herring <[email protected]>