[PATCH] display: panel: Add KOE tx14d24vm1bpa display support (320x240)

[Lukasz Majewski]

This commit adds support for KOE's 5.7" display.

Signed-off-by: Lukasz Majewski <lu...@denx.de>
---
 .../bindings/display/panel/koe,tx14d24vm1bpa.txt   | 42 ++++++++++++++++++++++
 drivers/gpu/drm/panel/panel-simple.c               | 26 ++++++++++++++
 2 files changed, 68 insertions(+)
 create mode 100644 
Documentation/devicetree/bindings/display/panel/koe,tx14d24vm1bpa.txt

diff --git 
a/Documentation/devicetree/bindings/display/panel/koe,tx14d24vm1bpa.txt 
b/Documentation/devicetree/bindings/display/panel/koe,tx14d24vm1bpa.txt
new file mode 100644
index 000000000000..be7ac666807b
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/koe,tx14d24vm1bpa.txt
@@ -0,0 +1,42 @@
+Kaohsiung Opto-Electronics Inc. 5.7" QVGA (320 x 240) TFT LCD panel
+
+Required properties:
+- compatible: should be "koe,tx14d24vm1bpa"
+- 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 iMX53 based board
+
+       lcd_panel: lcd-panel {
+               compatible = "koe,tx14d24vm1bpa";
+               backlight = <&backlight_lcd>;
+               power-supply = <&reg_3v3>;
+
+               port {
+                       lcd_panel_in: endpoint {
+                               remote-endpoint = <&lcd_display_out>;
+                       };
+               };
+       };
+
+Then one needs to extend the dispX node:
+
+       lcd_display: disp1 {
+
+               port@1 {
+                       reg = <1>;
+
+                       lcd_display_out: endpoint {
+                               remote-endpoint = <&lcd_panel_in>;
+                       };
+               };
+       };
diff --git a/drivers/gpu/drm/panel/panel-simple.c 
b/drivers/gpu/drm/panel/panel-simple.c
index 62314085b635..45e61af936e0 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -1245,6 +1245,29 @@ static const struct panel_desc innolux_zj070na_01p = {
        },
 };
 
+static const struct display_timing koe_tx14d24vm1bpa_timing = {
+       .pixelclock = { 5580000, 5850000, 6200000 },
+       .hactive = { 320, 320, 320 },
+       .hfront_porch = { 30, 30, 30 },
+       .hback_porch = { 30, 30, 30 },
+       .hsync_len = { 1, 5, 17 },
+       .vactive = { 240, 240, 240 },
+       .vfront_porch = { 6, 6, 6 },
+       .vback_porch = { 5, 5, 5 },
+       .vsync_len = { 1, 2, 11 },
+       .flags = DISPLAY_FLAGS_DE_HIGH,
+};
+
+static const struct panel_desc koe_tx14d24vm1bpa = {
+       .timings = &koe_tx14d24vm1bpa_timing,
+       .num_timings = 1,
+       .bpc = 6,
+       .size = {
+               .width = 115,
+               .height = 86,
+       },
+};
+
 static const struct display_timing kyo_tcg121xglp_timing = {
        .pixelclock = { 52000000, 65000000, 71000000 },
        .hactive = { 1024, 1024, 1024 },
@@ -2155,6 +2178,9 @@ static const struct of_device_id platform_of_match[] = {
                .compatible = "innolux,zj070na-01p",
                .data = &innolux_zj070na_01p,
        }, {
+               .compatible = "koe,tx14d24vm1bpa",
+               .data = &koe_tx14d24vm1bpa,
+       }, {
                .compatible = "kyo,tcg121xglp",
                .data = &kyo_tcg121xglp,
        }, {
-- 
2.11.0

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