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Message-Id: <1371467283-6981-2-git-send-email-jonas.jensen@gmail.com>
Date: Mon, 17 Jun 2013 13:08:02 +0200
From: Jonas Jensen <jonas.jensen@...il.com>
To: linux-arm-kernel@...ts.infradead.org
Cc: linux@....linux.org.uk, linux-kernel@...r.kernel.org,
devicetree-discuss@...ts.ozlabs.org, arm@...nel.org,
Jonas Jensen <jonas.jensen@...il.com>
Subject: [PATCH v2 2/3] ARM: mach-moxart: add MOXA ART device tree files
Add generic SoC include and UC-7112-LX platform device tree files.
Add device tree bindings documentation.
Signed-off-by: Jonas Jensen <jonas.jensen@...il.com>
---
Documentation/devicetree/bindings/arm/moxart.txt | 8 +++
.../arm/moxart/moxart-interrupt-controller.txt | 29 +++++++++
.../bindings/arm/moxart/moxart-timer.txt | 17 ++++++
arch/arm/boot/dts/Makefile | 1 +
arch/arm/boot/dts/moxart-uc7112lx.dts | 61 ++++++++++++++++++++
arch/arm/boot/dts/moxart.dtsi | 60 +++++++++++++++++++
6 files changed, 176 insertions(+), 0 deletions(-)
create mode 100644 Documentation/devicetree/bindings/arm/moxart.txt
create mode 100644 Documentation/devicetree/bindings/arm/moxart/moxart-interrupt-controller.txt
create mode 100644 Documentation/devicetree/bindings/arm/moxart/moxart-timer.txt
create mode 100644 arch/arm/boot/dts/moxart-uc7112lx.dts
create mode 100644 arch/arm/boot/dts/moxart.dtsi
diff --git a/Documentation/devicetree/bindings/arm/moxart.txt b/Documentation/devicetree/bindings/arm/moxart.txt
new file mode 100644
index 0000000..a13b567
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/moxart.txt
@@ -0,0 +1,8 @@
+MOXA ART device tree bindings
+-------------------------------------------
+
+Boards with the MOXA ART SoC shall have the following properties:
+
+Required root node property:
+
+compatible = "moxa,moxart";
diff --git a/Documentation/devicetree/bindings/arm/moxart/moxart-interrupt-controller.txt b/Documentation/devicetree/bindings/arm/moxart/moxart-interrupt-controller.txt
new file mode 100644
index 0000000..5e3b62d
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/moxart/moxart-interrupt-controller.txt
@@ -0,0 +1,29 @@
+* MOXA ART Interrupt Controller
+
+MOXA ART Interrupt Controller (moxart-interrupt-controller) is used on
+MOXA ART SoCs and supports 32 non-configurable number of interrupts
+
+Main node required properties:
+
+- compatible : should be:
+ "moxa,moxart-interrupt-controller"
+- interrupt-controller : Identifies the node as an interrupt controller
+- #interrupt-cells : Specifies the number of cells needed to encode an
+ interrupt source. The type shall be a <u32> and the value shall be 2.
+
+ The first cell contains the interrupt number in the range [0-31].
+ The second cell contains the interrupt type
+- reg: physical base address and size of the intc registers map.
+- interrupt-mask: Specifies if the interrupt is edge or level-triggered
+ each bit represent an interrupt 0-31 where 1 signify edge
+
+Example:
+
+ intc: interrupt-controller@...00000 {
+ compatible = "moxa,moxart-interrupt-controller";
+ reg = <0x98800000 0x38>;
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ interrupt-mask = <0x00080000>;
+ };
+
diff --git a/Documentation/devicetree/bindings/arm/moxart/moxart-timer.txt b/Documentation/devicetree/bindings/arm/moxart/moxart-timer.txt
new file mode 100644
index 0000000..dd4e06d
--- /dev/null
+++ b/Documentation/devicetree/bindings/arm/moxart/moxart-timer.txt
@@ -0,0 +1,17 @@
+MOXA ART timer
+-----------------------------------------------------
+This timer is used on MOXA ART SoCs:
+
+Required properties:
+- compatible : "moxa,moxart-timer"
+- reg : Register range for the timer
+- interrupts : interrupt for the timer
+
+Example:
+
+ timer: timer@...00000 {
+ compatible = "moxa,moxart-timer";
+ reg = <0x98400000 0x10>;
+ interrupts = <19 1>;
+ };
+
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index c130447..8bcbc7b 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -219,6 +219,7 @@ dtb-$(CONFIG_ARCH_VT8500) += vt8500-bv07.dtb \
wm8750-apc8750.dtb \
wm8850-w70v2.dtb
dtb-$(CONFIG_ARCH_ZYNQ) += zynq-zc702.dtb
+dtb-$(CONFIG_ARCH_MOXART) += moxart-uc7112lx.dtb
targets += dtbs
targets += $(dtb-y)
diff --git a/arch/arm/boot/dts/moxart-uc7112lx.dts b/arch/arm/boot/dts/moxart-uc7112lx.dts
new file mode 100644
index 0000000..c0be8a9
--- /dev/null
+++ b/arch/arm/boot/dts/moxart-uc7112lx.dts
@@ -0,0 +1,61 @@
+/* moxart-uc7112lx.dts - Device Tree file for MOXA UC-7112-LX
+ *
+ * Copyright (C) 2013 Jonas Jensen <jonas.jensen@...il.com>
+ *
+ * Licensed under GPLv2 or later.
+ */
+
+/dts-v1/;
+/include/ "moxart.dtsi"
+
+/ {
+ model = "MOXA UC-7112-LX";
+ compatible = "moxa,moxart-uc-7112-lx", "moxa,moxart";
+
+ memory {
+ /* SAMSUNG K4S561632J-UC75 */
+ device_type = "memory";
+ reg = <0x00000000 0x02000000>;
+ };
+
+ flash@...00000,0 {
+ /* JS28F128 J3D75 A9087684
+ * Numonyx Embedded Flash Memory (J3 v. D)
+ */
+ compatible = "numonyx,js28f128", "cfi-flash";
+ reg = <0x80000000 0x01000000>;
+ bank-width = <2>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ partition@0 {
+ label = "bootloader";
+ reg = <0x00000000 0x00040000>;
+ };
+ partition@...00 {
+ label = "linux kernel";
+ reg = <0x00040000 0x001C0000>;
+ };
+ partition@...000 {
+ label = "root filesystem";
+ reg = <0x00200000 0x00800000>;
+ };
+ partition@...000 {
+ label = "user filesystem";
+ reg = <0x00a00000 0x00600000>;
+ };
+ };
+
+ uart0: uart@...00000 {
+ compatible = "ns16550a";
+ reg = <0x98200000 0x20>;
+ interrupts = <31 8>;
+ reg-shift = <2>;
+ reg-io-width = <4>;
+ clock-frequency = <14745600>;
+ status = "okay";
+ };
+
+ chosen {
+ bootargs = "console=ttyS0,115200n8 root=/dev/mtdblock2 rootfstype=jffs2 rw";
+ };
+};
diff --git a/arch/arm/boot/dts/moxart.dtsi b/arch/arm/boot/dts/moxart.dtsi
new file mode 100644
index 0000000..4c0214f
--- /dev/null
+++ b/arch/arm/boot/dts/moxart.dtsi
@@ -0,0 +1,60 @@
+/* moxart.dtsi - Device Tree Include file for MOXA ART family SoC
+ *
+ * Copyright (C) 2013 Jonas Jensen <jonas.jensen@...il.com>
+ *
+ * Licensed under GPLv2 or later.
+ */
+
+/include/ "skeleton.dtsi"
+
+/ {
+ compatible = "moxa,moxart";
+ model = "MOXART";
+ interrupt-parent = <&intc>;
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu@0 {
+ device_type = "cpu";
+ compatible = "faraday,fa526";
+ reg = <0>;
+ };
+ };
+
+ clocks {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ osc: oscillator {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <24000000>;
+ };
+ };
+
+ soc {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ reg = <0x90000000 0x10000000>;
+ ranges;
+
+ intc: interrupt-controller@...00000 {
+ compatible = "moxa,moxart-interrupt-controller";
+ reg = <0x98800000 0x38>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+
+ /* single register vector, interrupts 0-31, 1s signify edge */
+ interrupt-mask = <0x00080000>;
+ };
+
+ timer: timer@...00000 {
+ compatible = "moxa,moxart-timer";
+ reg = <0x98400000 0x10>;
+ interrupts = <19 1>;
+ };
+ };
+};
--
1.7.2.5
--
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