linux-kernel - [PATCH v2] ARM: dts: exynos4412-odroidu3: Enable SPI1.

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Date:	Thu, 13 Aug 2015 11:06:53 +0200
From:	Alexis Ballier <aballier@...too.org>
To:	linux-samsung-soc@...r.kernel.org
Cc:	Alexis Ballier <aballier@...too.org>, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Kukjin Kim <kgene@...nel.org>,
	Russell King <linux@....linux.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Mark Rutland <mark.rutland@....com>,
	Pawel Moll <pawel.moll@....com>,
	Rob Herring <robh+dt@...nel.org>
Subject: [PATCH v2] ARM: dts: exynos4412-odroidu3: Enable SPI1.

SPI1 is available on IO Port #2 (as depicted on their website) in
PCB Revision 0.5 of Hardkernel Odroid U3 board.
The shield connects a 256KiB spi-nor flash on that bus.

Signed-off-by: Alexis Ballier <aballier@...too.org>

---

Changes in v2: Use GPIO_ACTIVE_HIGH (Krzysztof Kozlowski)

 arch/arm/boot/dts/exynos4412-odroidu3.dts | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/boot/dts/exynos4412-odroidu3.dts b/arch/arm/boot/dts/exynos4412-odroidu3.dts
index 44684e5..8632f35 100644
--- a/arch/arm/boot/dts/exynos4412-odroidu3.dts
+++ b/arch/arm/boot/dts/exynos4412-odroidu3.dts
@@ -13,6 +13,7 @@
 
 /dts-v1/;
 #include "exynos4412-odroid-common.dtsi"
+#include <dt-bindings/gpio/gpio.h>
 
 / {
 	model = "Hardkernel ODROID-U3 board based on Exynos4412";
@@ -61,3 +62,10 @@
 		"Speakers", "SPKL",
 		"Speakers", "SPKR";
 };
+
+&spi_1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&spi1_bus>;
+	cs-gpios = <&gpb 5 GPIO_ACTIVE_HIGH>;
+	status = "okay";
+};
-- 
2.5.0

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