[PATCH v3 2/5] ARM: NSP: add minimal Northstar Plus device tree
Jon Mason
jonmason at broadcom.com
Fri Aug 28 16:47:24 PDT 2015
Add a very minimalistic set of Northstar Plus Device Tree files which
describes the SoC and the BCM958625 implementation. The perpherials
described are:
ARM Cortex A9 CPU
2 8250 UARTs
ARM GIC
PL310 L2 Cache
ARM A9 Global timer
Signed-off-by: Kapil Hali <kapilh at broadcom.com>
Signed-off-by: Jon Mason <jonmason at broadcom.com>
---
arch/arm/boot/dts/Makefile | 2 +
arch/arm/boot/dts/bcm-nsp.dtsi | 120 +++++++++++++++++++++++++++++++++++++++
arch/arm/boot/dts/bcm958625k.dts | 57 +++++++++++++++++++
3 files changed, 179 insertions(+)
create mode 100644 arch/arm/boot/dts/bcm-nsp.dtsi
create mode 100644 arch/arm/boot/dts/bcm958625k.dts
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 246473a..adb5732 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -82,6 +82,8 @@ dtb-$(CONFIG_ARCH_BCM_CYGNUS) += \
dtb-$(CONFIG_ARCH_BCM_MOBILE) += \
bcm28155-ap.dtb \
bcm21664-garnet.dtb
+dtb-$(CONFIG_ARCH_BCM_NSP) += \
+ bcm958625k.dtb
dtb-$(CONFIG_ARCH_BERLIN) += \
berlin2-sony-nsz-gs7.dtb \
berlin2cd-google-chromecast.dtb \
diff --git a/arch/arm/boot/dts/bcm-nsp.dtsi b/arch/arm/boot/dts/bcm-nsp.dtsi
new file mode 100644
index 0000000..f5f494f
--- /dev/null
+++ b/arch/arm/boot/dts/bcm-nsp.dtsi
@@ -0,0 +1,120 @@
+/*
+ * BSD LICENSE
+ *
+ * Copyright(c) 2015 Broadcom Corporation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Broadcom Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+#include "skeleton.dtsi"
+
+/ {
+ compatible = "brcm,nsp";
+ model = "Broadcom Northstar Plus SoC";
+ interrupt-parent = <&gic>;
+
+ mpcore {
+ compatible = "simple-bus";
+ ranges = <0x00000000 0x19020000 0x00003000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu at 0 {
+ device_type = "cpu";
+ compatible = "arm,cortex-a9";
+ next-level-cache = <&L2>;
+ reg = <0x0>;
+ };
+ };
+
+ L2: l2-cache {
+ compatible = "arm,pl310-cache";
+ reg = <0x2000 0x1000>;
+ cache-unified;
+ cache-level = <2>;
+ };
+
+ gic: interrupt-controller at 19021000 {
+ compatible = "arm,cortex-a9-gic";
+ #interrupt-cells = <3>;
+ #address-cells = <0>;
+ interrupt-controller;
+ reg = <0x1000 0x1000>,
+ <0x0100 0x100>;
+ };
+
+ timer at 19020200 {
+ compatible = "arm,cortex-a9-global-timer";
+ reg = <0x0200 0x100>;
+ interrupts = <GIC_PPI 11 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&periph_clk>;
+ };
+ };
+
+ clocks {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ periph_clk: periph_clk {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <500000000>;
+ };
+ };
+
+ apb {
+ compatible = "arm,amba-bus", "simple-bus";
+ interrupt-parent = <&gic>;
+ ranges = <0x00000000 0x18000000 0x00001000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ uart0: serial at 18000300 {
+ compatible = "ns16550a";
+ reg = <0x0300 0x100>;
+ interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
+ clock-frequency = <62499840>;
+ status = "disabled";
+ };
+
+ uart1: serial at 18000400 {
+ compatible = "ns16550a";
+ reg = <0x0400 0x100>;
+ interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
+ clock-frequency = <62499840>;
+ status = "disabled";
+ };
+ };
+};
diff --git a/arch/arm/boot/dts/bcm958625k.dts b/arch/arm/boot/dts/bcm958625k.dts
new file mode 100644
index 0000000..16303db
--- /dev/null
+++ b/arch/arm/boot/dts/bcm958625k.dts
@@ -0,0 +1,57 @@
+/*
+ * BSD LICENSE
+ *
+ * Copyright(c) 2015 Broadcom Corporation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Broadcom Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/dts-v1/;
+
+#include "bcm-nsp.dtsi"
+
+/ {
+ model = "NorthStar Plus SVK (BCM958625K)";
+ compatible = "brcm,bcm58625", "brcm,nsp";
+
+ aliases {
+ serial0 = &uart0;
+ serial1 = &uart1;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+};
+
+&uart0 {
+ status = "okay";
+};
+
+&uart1 {
+ status = "okay";
+};
--
1.9.1
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