From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753307AbeDLOhd (ORCPT ); Thu, 12 Apr 2018 10:37:33 -0400 Received: from mail-out.m-online.net ([212.18.0.9]:55480 "EHLO mail-out.m-online.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752652AbeDLOha (ORCPT ); Thu, 12 Apr 2018 10:37:30 -0400 X-Auth-Info: cbJoZlUtFaoBgEa6PVfKbgUItrPsC1k4rkwEX7HIiSY= From: Lukasz Majewski To: Rob Herring , Mark Rutland , Thierry Reding , David Airlie , Rob Herring Cc: dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Lukasz Majewski Subject: [PATCH] display: panel: Add KOE tx14d24vm1bpa display support (320x240) Date: Thu, 12 Apr 2018 16:37:15 +0200 Message-Id: <20180412143715.6828-1-lukma@denx.de> X-Mailer: git-send-email 2.11.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This commit adds support for KOE's 5.7" display. Signed-off-by: Lukasz Majewski --- .../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 = <®_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