linux-kernel - [PATCH 2/2] ARM: dts: add gpio alias in hi3620 dts file

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Date:	Tue, 22 Apr 2014 09:35:43 +0800
From:	Haojian Zhuang <haojian.zhuang@...aro.org>
To:	xuwei5@...ilicon.com, linus.walleij@...aro.org,
	grant.likely@...aro.org, robh+dt@...nel.org,
	linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org, baruch@...s.co.il
Cc:	Haojian Zhuang <haojian.zhuang@...aro.org>
Subject: [PATCH 2/2] ARM: dts: add gpio alias in hi3620 dts file

Use gpio alias to identify the index of gpio chip. Then we can keep the
same gpio number as schematics. Otherwise, gpio number is countered from
bottom to top.

Signed-off-by: Haojian Zhuang <haojian.zhuang@...aro.org>
---
 arch/arm/boot/dts/hi3620.dtsi | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/arm/boot/dts/hi3620.dtsi b/arch/arm/boot/dts/hi3620.dtsi
index 6836795..2aaae09 100644
--- a/arch/arm/boot/dts/hi3620.dtsi
+++ b/arch/arm/boot/dts/hi3620.dtsi
@@ -21,6 +21,28 @@
 		serial2 = &uart2;
 		serial3 = &uart3;
 		serial4 = &uart4;
+		gpio0 = &gpio0;
+		gpio1 = &gpio1;
+		gpio2 = &gpio2;
+		gpio3 = &gpio3;
+		gpio4 = &gpio4;
+		gpio5 = &gpio5;
+		gpio6 = &gpio6;
+		gpio7 = &gpio7;
+		gpio8 = &gpio8;
+		gpio9 = &gpio9;
+		gpio10 = &gpio10;
+		gpio11 = &gpio11;
+		gpio12 = &gpio12;
+		gpio13 = &gpio13;
+		gpio14 = &gpio14;
+		gpio15 = &gpio15;
+		gpio16 = &gpio16;
+		gpio17 = &gpio17;
+		gpio18 = &gpio18;
+		gpio19 = &gpio19;
+		gpio20 = &gpio20;
+		gpio21 = &gpio21;
 	};
 
 	pclk: clk {
-- 
1.9.1

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