linux-kernel - [PATCH v2 11/12] ARM: dts: add support for Vybrid running on Cortex-M4

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Date:	Tue, 30 Dec 2014 00:32:14 +0100
From:	Stefan Agner <stefan@...er.ch>
To:	shawn.guo@...aro.org, kernel@...gutronix.de,
	linux@....linux.org.uk, u.kleine-koenig@...gutronix.de,
	jason@...edaemon.net, olof@...om.net, arnd@...db.de,
	daniel.lezcano@...aro.org, tglx@...utronix.de,
	mark.rutland@....com, pawel.moll@....com, robh+dt@...nel.org,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	marc.zyngier@....com
Cc:	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, Stefan Agner <stefan@...er.ch>
Subject: [PATCH v2 11/12] ARM: dts: add support for Vybrid running on Cortex-M4

This adds an initial device tree to run Linux on the Cortex-M4 on
the Vybrid based Colibri VF61.

Signed-off-by: Stefan Agner <stefan@...er.ch>
---
 arch/arm/boot/dts/Makefile            |  1 +
 arch/arm/boot/dts/vf610m4-colibri.dts | 52 +++++++++++++++++++++++++++++++++++
 arch/arm/boot/dts/vf610m4.dtsi        | 10 +++++++
 3 files changed, 63 insertions(+)
 create mode 100644 arch/arm/boot/dts/vf610m4-colibri.dts
 create mode 100644 arch/arm/boot/dts/vf610m4.dtsi

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 91bd5bd..4211dfb 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -271,6 +271,7 @@ dtb-$(CONFIG_ARCH_MXC) += \
 	ls1021a-twr.dtb \
 	vf500-colibri-eval-v3.dtb \
 	vf610-colibri-eval-v3.dtb \
+	vf610m4-colibri.dtb \
 	vf610-cosmic.dtb \
 	vf610-twr.dtb
 dtb-$(CONFIG_ARCH_MXS) += imx23-evk.dtb \
diff --git a/arch/arm/boot/dts/vf610m4-colibri.dts b/arch/arm/boot/dts/vf610m4-colibri.dts
new file mode 100644
index 0000000..ebff03e
--- /dev/null
+++ b/arch/arm/boot/dts/vf610m4-colibri.dts
@@ -0,0 +1,52 @@
+/*
+ * Device tree for Colibri VF61 Cortex-M4 support
+ *
+ * Copyright 2014 Stefan Agner
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+/dts-v1/;
+#include "vf610m4.dtsi"
+
+/ {
+	model = "VF610 Cortex-M4";
+	compatible = "fsl,vf610m4";
+
+	chosen {
+		bootargs = "console=ttyLP2,115200 clk_ignore_unused init=/linuxrc rw";
+	};
+
+	memory {
+		reg = <0x8c000000 0x3000000>;
+	};
+};
+
+&esdhc1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_esdhc1>;
+	status = "okay";
+};
+
+&uart2 {
+	status = "okay";
+};
+
+&iomuxc {
+	vf610-colibri {
+		pinctrl_esdhc1: esdhc1grp {
+			fsl,pins = <
+				VF610_PAD_PTA24__ESDHC1_CLK	0x31ef
+				VF610_PAD_PTA25__ESDHC1_CMD	0x31ef
+				VF610_PAD_PTA26__ESDHC1_DAT0	0x31ef
+				VF610_PAD_PTA27__ESDHC1_DAT1	0x31ef
+				VF610_PAD_PTA28__ESDHC1_DATA2	0x31ef
+				VF610_PAD_PTA29__ESDHC1_DAT3	0x31ef
+				VF610_PAD_PTB20__GPIO_42	0x219d
+			>;
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/vf610m4.dtsi b/arch/arm/boot/dts/vf610m4.dtsi
new file mode 100644
index 0000000..3d8fa02
--- /dev/null
+++ b/arch/arm/boot/dts/vf610m4.dtsi
@@ -0,0 +1,10 @@
+/*
+ * Device tree for VF6xx Cortex-M4 support
+ */
+
+#include "armv7-m.dtsi"
+#include "vfxxx.dtsi"
+
+&mscm {
+	interrupt-parent = <&nvic>;
+};
-- 
2.2.1

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