From: David Coles <coles.david@gmail.com>
To: devicetree@vger.kernel.org
Cc: Jason Cooper <jason@lakedaemon.net>, Andrew Lunn <andrew@lunn.ch>,
Gregory Clement <gregory.clement@bootlin.com>,
Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, David Coles <coles.david@gmail.com>
Subject: [PATCH] ARM: dts: add description of Netgear RN NV+v2 LCD
Date: Thu, 7 Feb 2019 20:53:05 -0800 [thread overview]
Message-ID: <20190208045305.8759-1-coles.david@gmail.com> (raw)
GPIO pin mapping taken from NetGear NV+ v2 5.3.13 kernel sources[1]
(see arch/arm/plat-feroceon/mv_hal/rtc/ext_rtc/usiLCD.c).
1. https://www.downloads.netgear.com/files/GPL/RND_5.3.13_WW.src.zip
Signed-off-by: David Coles <coles.david@gmail.com>
---
.../boot/dts/kirkwood-netgear_readynas_nv+_v2.dts | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/arch/arm/boot/dts/kirkwood-netgear_readynas_nv+_v2.dts b/arch/arm/boot/dts/kirkwood-netgear_readynas_nv+_v2.dts
index 8cc8550242ef..a61b56f44ec7 100644
--- a/arch/arm/boot/dts/kirkwood-netgear_readynas_nv+_v2.dts
+++ b/arch/arm/boot/dts/kirkwood-netgear_readynas_nv+_v2.dts
@@ -184,6 +184,20 @@
gpios = <&gpio0 30 GPIO_ACTIVE_LOW>;
};
+ auxdisplay {
+ compatible = "hit,hd44780";
+ data-gpios = <&gpio0 17 GPIO_ACTIVE_HIGH>,
+ <&gpio1 1 GPIO_ACTIVE_HIGH>,
+ <&gpio1 3 GPIO_ACTIVE_HIGH>,
+ <&gpio1 17 GPIO_ACTIVE_HIGH>;
+ enable-gpios = <&gpio0 16 GPIO_ACTIVE_HIGH>;
+ rs-gpios = <&gpio0 14 GPIO_ACTIVE_HIGH>;
+ rw-gpios = <&gpio0 15 GPIO_ACTIVE_HIGH>;
+ backlight-gpios = <&gpio0 12 GPIO_ACTIVE_LOW>;
+ display-height-chars = <2>;
+ display-width-chars = <16>;
+ };
+
regulators {
compatible = "simple-bus";
#address-cells = <1>;
--
2.17.1
next reply other threads:[~2019-02-08 4:53 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-08 4:53 David Coles [this message]
2019-02-08 13:56 ` [PATCH] ARM: dts: add description of Netgear RN NV+v2 LCD Andrew Lunn
2019-02-08 15:23 ` David Coles
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