linux-kernel - [PATCH linux v1 4/4] arm: dts: Add dt-binding to support seven segment display on zaius

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Date:   Tue, 13 Dec 2016 23:55:04 -0800
From:   Jaghathiswari Rankappagounder Natarajan <jaghu@...gle.com>
To:     openbmc@...ts.ozlabs.org, robh+dt@...nel.org, mark.rutland@....com,
        linux@...linux.org.uk, arnd@...db.de, gregkh@...uxfoundation.org
Cc:     Jaghathiswari Rankappagounder Natarajan <jaghu@...gle.com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, joel@....id.au
Subject: [PATCH linux v1 4/4] arm: dts: Add dt-binding to support seven segment display on zaius

Add clock, data and clear signal GPIO lines to control seven segment display on
zaius platform.

Signed-off-by: Jaghathiswari Rankappagounder Natarajan <jaghu@...gle.com>
---
 arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts b/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts
index 8ef4ece..ccb8147 100644
--- a/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts
@@ -43,6 +43,14 @@
 			gpios = <&gpio ASPEED_GPIO(H, 7) GPIO_ACTIVE_LOW>;
 		};
 	};
+
+	seven-seg-disp {
+		compatible = "seven-seg-gpio-dev";
+		refresh-interval-ms = "1000";
+		clock-gpios = <&gpio ASPEED_GPIO(J, 0) GPIO_ACTIVE_HIGH>;
+		data-gpios = <&gpio ASPEED_GPIO(J, 2) GPIO_ACTIVE_HIGH>;
+		clear-gpios = <&gpio ASPEED_GPIO(J, 1) GPIO_ACTIVE_HIGH>;
+	};
 };

 &fmc {
--
2.8.0.rc3.226.g39d4020