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From:   Giulio Benetti <giulio.benetti@micronovasrl.com>
To:     robh+dt@kernel.org
Cc:     mark.rutland@arm.com, linux@armlinux.org.uk,
        maxime.ripard@free-electrons.com, wens@csie.org,
        devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com,
        Giulio Benetti <giulio.benetti@micronovasrl.com>
Subject: [PATCH 1/1] add rgb888 pins to a20 to enable parallel rgb LCD
Date:   Tue,  7 Nov 2017 13:49:59 +0100
Message-Id: <1510058999-6778-1-git-send-email-giulio.benetti@micronovasrl.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On sun7i-a20-* there's no way to enable PA00--PA27 as RGB888 LCD0 pins.

Add lcd_rgb888_pins in sun7i-a20.dtsi.

It can be used on sun7i-a20-olinuxino-lime.dts.
This patch gives possibility to set parallel lcd pins for RGB888.
To be used with tcon0 in your <target>.dts

Best regards
Giulio Benetti
Micronova srl

Signed-off-by: Giulio Benetti <giulio.benetti@micronovasrl.com>
---
 arch/arm/boot/dts/sun7i-a20.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
index 228c368..b85a917 100644
--- a/arch/arm/boot/dts/sun7i-a20.dtsi
+++ b/arch/arm/boot/dts/sun7i-a20.dtsi
@@ -921,6 +921,14 @@
 				pins = "PI20", "PI21";
 				function = "uart7";
 			};
+
+			lcd_rgb888_pins: lcd-rgb888 {
+				pins = "PD0", "PD1", "PD2", "PD3", "PD4", "PD5", "PD6", "PD7", 
+					"PD8", "PD9", "PD10", "PD11", "PD12", "PD13", "PD14", "PD15",
+					"PD16", "PD17", "PD18", "PD19", "PD20", "PD21", "PD22", "PD23",
+					"PD24", "PD25", "PD26", "PD27";
+				function = "lcd0";
+			};
 		};
 
 		timer@1c20c00 {
-- 
2.7.4


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