linux-kernel - [PATCH 3/3] arm/dts/ls1021a: Add a TFT LCD panel dts node for DCU

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Message-ID: <1423825436-47780-3-git-send-email-b52261@freescale.com>
Date:	Fri, 13 Feb 2015 19:03:56 +0800
From:	Jianwei Wang <b52261@...escale.com>
To:	<dri-devel@...ts.freedesktop.org>, <jbarnes@...tuousgeek.org>,
	<scottwood@...escale.com>
CC:	<linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	Jianwei Wang <b52261@...escale.com>,
	Alison Wang <b18965@...escale.com>,
	Xiubo Li <lixiubo@...s.chinamobile.com>
Subject: [PATCH 3/3] arm/dts/ls1021a: Add a TFT LCD panel dts node for DCU

Add a required display-timings node for the TFT LCD panel.
the TFT LCD panel is WQVGA "480x272", and the bpp is 24.

Signed-off-by: Alison Wang <b18965@...escale.com>
Signed-off-by: Xiubo Li <lixiubo@...s.chinamobile.com>
Signed-off-by: Jianwei Wang <b52261@...escale.com>
---
 arch/arm/boot/dts/ls1021a-twr.dts | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/arch/arm/boot/dts/ls1021a-twr.dts b/arch/arm/boot/dts/ls1021a-twr.dts
index a2c591e..3602286 100644
--- a/arch/arm/boot/dts/ls1021a-twr.dts
+++ b/arch/arm/boot/dts/ls1021a-twr.dts
@@ -58,6 +58,32 @@
 	};
 };
 
+&dcfb {
+	display = <&display>;
+	status = "okay";
+
+	display: display@0 {
+		bits-per-pixel = <24>;
+
+		display-timings {
+			native-mode = <&timing0>;
+			timing0: nl4827hc19 {
+				clock-frequency = <10870000>;
+				hactive = <480>;
+				vactive = <272>;
+				hback-porch = <2>;
+				hfront-porch = <2>;
+				vback-porch = <2>;
+				vfront-porch = <2>;
+				hsync-len = <41>;
+				vsync-len = <4>;
+				hsync-active = <1>;
+				vsync-active = <1>;
+			};
+		};
+	};
+};
+
 &dspi1 {
 	bus-num = <0>;
 	status = "okay";
-- 
2.1.0.27.g96db324

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