linux-kernel - [PATCH 4/7] ARM: shmobile: lager dts: Add QSPI nodes

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Message-Id: <1392029254-15400-5-git-send-email-geert@linux-m68k.org>
Date:	Mon, 10 Feb 2014 11:47:30 +0100
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	Simon Horman <horms@...ge.net.au>,
	Magnus Damm <magnus.damm@...il.com>
Cc:	linux-sh@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Geert Uytterhoeven <geert+renesas@...ux-m68k.org>,
	devicetree@...r.kernel.org, linux-spi@...r.kernel.org
Subject: [PATCH 4/7] ARM: shmobile: lager dts: Add QSPI nodes

From: Geert Uytterhoeven <geert+renesas@...ux-m68k.org>

Add pinctrl and SPI devices for QSPI on Lager.
Add Spansion s25fl512s SPI FLASH and MTD partitions.

Signed-off-by: Geert Uytterhoeven <geert+renesas@...ux-m68k.org>
Cc: devicetree@...r.kernel.org
Cc: linux-spi@...r.kernel.org
---
 arch/arm/boot/dts/r8a7790-lager.dts |   36 +++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/arch/arm/boot/dts/r8a7790-lager.dts b/arch/arm/boot/dts/r8a7790-lager.dts
index 1081c5e91ac4..adff2dc4012d 100644
--- a/arch/arm/boot/dts/r8a7790-lager.dts
+++ b/arch/arm/boot/dts/r8a7790-lager.dts
@@ -80,6 +80,11 @@
 		renesas,groups = "mmc1_data8", "mmc1_ctrl";
 		renesas,function = "mmc1";
 	};
+
+	qspi_pins: spi {
+		renesas,groups = "qspi_ctrl", "qspi_data4";
+		renesas,function = "qspi";
+	};
 };
 
 &mmcif1 {
@@ -95,3 +100,34 @@
 &sata1 {
 	status = "okay";
 };
+
+&spi {
+	pinctrl-0 = <&qspi_pins>;
+	pinctrl-names = "default";
+
+	status = "okay";
+
+	flash: flash@0 {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		compatible = "spansion,s25fl512s";
+		reg = <0>;
+		spi-max-frequency = <30000000>;
+		m25p,fast-read;
+
+		partition@0 {
+			label = "loader";
+			reg = <0x00000000 0x00040000>;
+			read-only;
+		};
+		partition@...00 {
+			label = "user";
+			reg = <0x00040000 0x00400000>;
+			read-only;
+		};
+		partition@...000 {
+			label = "flash";
+			reg = <0x00440000 0x03bc0000>;
+		};
+	};
+};
-- 
1.7.9.5

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