ARM: u300: basic device tree support

This register the most basic peripherals and makes the
U300 boot to prompt from a device tree.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

2 files changed, 87 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index b9f7121e6ecf..3dd1316a5a27 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -197,6 +197,7 @@ dtb-$(CONFIG_ARCH_TEGRA) += tegra20-harmony.dtb \
         tegra114-pluto.dtb
 dtb-$(CONFIG_ARCH_VERSATILE) += versatile-ab.dtb \
         versatile-pb.dtb
+dtb-$(CONFIG_ARCH_U300) += ste-u300.dtb
 dtb-$(CONFIG_ARCH_VEXPRESS) += vexpress-v2p-ca5s.dtb \
         vexpress-v2p-ca9.dtb \
         vexpress-v2p-ca15-tc1.dtb \
diff --git a/arch/arm/boot/dts/ste-u300.dts b/arch/arm/boot/dts/ste-u300.dts
new file mode 100644
index 000000000000..9e423eb5aa0a
--- /dev/null
+++ b/arch/arm/boot/dts/ste-u300.dts
@@ -0,0 +1,86 @@
+/*
+ * Device Tree for the ST-Ericsson U300 Machine and SoC
+ */
+
+/dts-v1/;
+/include/ "skeleton.dtsi"
+
+/ {
+        model = "ST-Ericsson U300";
+        compatible = "stericsson,u300";
+        #address-cells = <1>;
+        #size-cells = <1>;
+
+        chosen {
+                bootargs = "root=/dev/ram0 console=ttyAMA0,115200n8 earlyprintk";
+        };
+
+        aliases {
+                serial0 = &uart0;
+                serial1 = &uart1;
+        };
+
+        memory {
+                reg = <0x48000000 0x03c00000>;
+        };
+
+        timer: timer@c0014000 {
+                compatible = "stericsson,u300-apptimer";
+                reg = <0xc0014000 0x1000>;
+                interrupt-parent = <&vica>;
+                interrupts = <24 25 26 27>;
+        };
+
+        gpio: gpio@c0016000 {
+                compatible = "stericsson,gpio-coh901";
+                reg = <0xc0016000 0x1000>;
+                interrupt-parent = <&vicb>;
+                interrupts = <0 1 2 18 21 22 23>;
+                interrupt-names = "gpio0", "gpio1", "gpio2", "gpio3",
+                                "gpio4", "gpio5", "gpio6";
+                interrupt-controller;
+                #interrupt-cells = <2>;
+                gpio-controller;
+                #gpio-cells = <2>;
+        };
+
+        pinctrl: pinctrl@c0011000 {
+                compatible = "stericsson,pinctrl-u300";
+                reg = <0xc0011000 0x1000>;
+        };
+
+        amba {
+                compatible = "arm,amba-bus";
+                #address-cells = <1>;
+                #size-cells = <1>;
+                ranges;
+
+                vica: interrupt-controller@a0001000 {
+                        compatible = "arm,versatile-vic";
+                        interrupt-controller;
+                        #interrupt-cells = <1>;
+                        reg = <0xa0001000 0x20>;
+                };
+
+                vicb: interrupt-controller@a0002000 {
+                        compatible = "arm,versatile-vic";
+                        interrupt-controller;
+                        #interrupt-cells = <1>;
+                        reg = <0xa0002000 0x20>;
+                };
+
+                uart0: serial@c0013000 {
+                        compatible = "arm,pl011", "arm,primecell";
+                        reg = <0xc0013000 0x1000>;
+                        interrupt-parent = <&vica>;
+                        interrupts = <22>;
+                };
+
+                uart1: serial@c0007000 {
+                        compatible = "arm,pl011", "arm,primecell";
+                        reg = <0xc0007000 0x1000>;
+                        interrupt-parent = <&vicb>;
+                        interrupts = <20>;
+                };
+        };
+};