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Date: Thu, 21 Apr 2022 14:21:31 -0500
From: nick.hawkins@....com
To: verdun@....com, nick.hawkins@....com, joel@....id.au,
arnd@...db.de, openbmc@...ts.ozlabs.org
Cc: Olof Johansson <olof@...om.net>, soc@...nel.org,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH v5 10/11] arch: arm: boot: dts: Introduce HPE GXP Device tree
From: Nick Hawkins <nick.hawkins@....com>
The HPE SoC is new to linux. This patch
creates the basic device tree layout with minimum required
for linux to boot. This includes timer and watchdog
support.
The dts file is empty at this point but will be
updated in subsequent updates as board specific features
are enabled.
Signed-off-by: Nick Hawkins <nick.hawkins@....com>
---
v5:
* Fixed commit message to show previous changes
* Fixed typo ehci -> echi
v4:
* Removed hpe,gxp-cpu-init as it was no longer necessary
* Removed bootargs as requested
* Removed empty ahb node
* Moved reg after compatible, everywhere
* Removed osc and memclk
* Removed syscon@...000f8 as it was not necessary for boot
* Fixed Alphabetical issue in dts/Makefile
* Added specific board binding for dl360gen10
* Removed empty node
* Added Accurate Clock Architecture
* Fixed generic-echi and generic-ochi issues
* Removed i2cg
v3:
* Fixed issues with warnings
* Used proper patchset format
v2:
* Reduced size of dtsi to essential components
* Followed the proper format for having a dtsi and
dts
---
arch/arm/boot/dts/Makefile | 2 +
arch/arm/boot/dts/hpe-bmc-dl360gen10.dts | 13 +++
arch/arm/boot/dts/hpe-gxp.dtsi | 128 +++++++++++++++++++++++
3 files changed, 143 insertions(+)
create mode 100644 arch/arm/boot/dts/hpe-bmc-dl360gen10.dts
create mode 100644 arch/arm/boot/dts/hpe-gxp.dtsi
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 7c16f8a2b738..293717719c70 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -255,6 +255,8 @@ dtb-$(CONFIG_ARCH_HISI) += \
hi3519-demb.dtb
dtb-$(CONFIG_ARCH_HIX5HD2) += \
hisi-x5hd2-dkb.dtb
+dtb-$(CONFIG_ARCH_HPE_GXP) += \
+ hpe-bmc-dl360gen10.dtb
dtb-$(CONFIG_ARCH_INTEGRATOR) += \
integratorap.dtb \
integratorap-im-pd1.dtb \
diff --git a/arch/arm/boot/dts/hpe-bmc-dl360gen10.dts b/arch/arm/boot/dts/hpe-bmc-dl360gen10.dts
new file mode 100644
index 000000000000..69e9c6672ea8
--- /dev/null
+++ b/arch/arm/boot/dts/hpe-bmc-dl360gen10.dts
@@ -0,0 +1,13 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree file for HPE DL360Gen10
+ */
+
+/include/ "hpe-gxp.dtsi"
+
+/ {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "hpe,gxp-dl360gen10","hpe,gxp";
+ model = "Hewlett Packard Enterprise ProLiant dl360 Gen10";
+};
diff --git a/arch/arm/boot/dts/hpe-gxp.dtsi b/arch/arm/boot/dts/hpe-gxp.dtsi
new file mode 100644
index 000000000000..a3a082d21101
--- /dev/null
+++ b/arch/arm/boot/dts/hpe-gxp.dtsi
@@ -0,0 +1,128 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Device Tree file for HPE GXP
+ */
+
+/dts-v1/;
+/ {
+ model = "Hewlett Packard Enterprise GXP BMC";
+ compatible = "hpe,gxp","hpe,gxp-dl360gen10";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu@0 {
+ compatible = "arm,cortex-a9";
+ reg = <0>;
+ device_type = "cpu";
+ };
+ };
+
+ clocks {
+
+ pll: pll {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <1600000000>;
+ };
+
+ iopclk: iopclk {
+ compatible = "fixed-factor-clock";
+ #clock-cells = <0>;
+ clock-div = <4>;
+ clock-mult = <1>;
+ clocks = <&pll>;
+ };
+ };
+
+ memory@...00000 {
+ device_type = "memory";
+ reg = <0x40000000 0x20000000>;
+ };
+
+ axi {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+ dma-ranges;
+
+ ahb@...00000 {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x0 0xc0000000 0x30000000>;
+
+ vic0: interrupt-controller@...0000 {
+ compatible = "arm,pl192-vic";
+ reg = <0xeff0000 0x1000>;
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ };
+
+ vic1: interrupt-controller@...00000 {
+ compatible = "arm,pl192-vic";
+ reg = <0x80f00000 0x1000>;
+ interrupt-controller;
+ #interrupt-cells = <1>;
+ };
+
+ uarta: serial@e0 {
+ compatible = "ns16550a";
+ reg = <0xe0 0x8>;
+ interrupts = <17>;
+ interrupt-parent = <&vic0>;
+ clock-frequency = <1846153>;
+ reg-shift = <0>;
+ };
+
+ uartb: serial@e8 {
+ compatible = "ns16550a";
+ reg = <0xe8 0x8>;
+ interrupts = <18>;
+ interrupt-parent = <&vic0>;
+ clock-frequency = <1846153>;
+ reg-shift = <0>;
+ };
+
+ uartc: serial@f0 {
+ compatible = "ns16550a";
+ reg = <0xf0 0x8>;
+ interrupts = <19>;
+ interrupt-parent = <&vic0>;
+ clock-frequency = <1846153>;
+ reg-shift = <0>;
+ };
+
+ usb0: usb@...0000 {
+ compatible = "hpe,gxp-ehci","generic-ehci";
+ reg = <0xefe0000 0x100>;
+ interrupts = <7>;
+ interrupt-parent = <&vic0>;
+ };
+
+ st: timer@80 {
+ compatible = "hpe,gxp-timer","simple-mfd";
+ reg = <0x80 0x16>;
+ interrupts = <0>;
+ interrupt-parent = <&vic0>;
+ clocks = <&iopclk>;
+ clock-names = "iopclk";
+ watchdog {
+ compatible = "hpe,gxp-wdt";
+ };
+ };
+
+ usb1: usb@...0100 {
+ compatible = "hpe,gxp-ohci","generic-ohci";
+ reg = <0xefe0100 0x110>;
+ interrupts = <6>;
+ interrupt-parent = <&vic0>;
+ };
+ };
+ };
+
+};
--
2.17.1
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