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Message-ID: <20240726110355.2181563-9-kevin_chen@aspeedtech.com>
Date: Fri, 26 Jul 2024 19:03:53 +0800
From: Kevin Chen <kevin_chen@...eedtech.com>
To: <robh@...nel.org>, <krzk+dt@...nel.org>, <conor+dt@...nel.org>,
<joel@....id.au>, <andrew@...econstruct.com.au>, <lee@...nel.org>,
<catalin.marinas@....com>, <will@...nel.org>, <arnd@...db.de>,
<olof@...om.net>, <soc@...nel.org>, <mturquette@...libre.com>,
<sboyd@...nel.org>, <p.zabel@...gutronix.de>, <quic_bjorande@...cinc.com>,
<geert+renesas@...der.be>, <dmitry.baryshkov@...aro.org>,
<shawnguo@...nel.org>, <neil.armstrong@...aro.org>,
<m.szyprowski@...sung.com>, <nfraprado@...labora.com>, <u-kumar1@...com>,
<kevin_chen@...eedtech.com>, <devicetree@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>, <linux-aspeed@...ts.ozlabs.org>,
<linux-kernel@...r.kernel.org>, <linux-clk@...r.kernel.org>
Subject: [PATCH v1 08/10] arm64: dts: aspeed: Add initial AST27XX device tree
---
arch/arm64/boot/dts/Makefile | 1 +
arch/arm64/boot/dts/aspeed/aspeed-g7.dtsi | 217 ++++++++++++++++++++++
2 files changed, 218 insertions(+)
create mode 100644 arch/arm64/boot/dts/aspeed/aspeed-g7.dtsi
diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile
index 21cd3a87f385..c909c19dc5dd 100644
--- a/arch/arm64/boot/dts/Makefile
+++ b/arch/arm64/boot/dts/Makefile
@@ -34,3 +34,4 @@ subdir-y += tesla
subdir-y += ti
subdir-y += toshiba
subdir-y += xilinx
+subdir-y += aspeed
diff --git a/arch/arm64/boot/dts/aspeed/aspeed-g7.dtsi b/arch/arm64/boot/dts/aspeed/aspeed-g7.dtsi
new file mode 100644
index 000000000000..858ab95251e4
--- /dev/null
+++ b/arch/arm64/boot/dts/aspeed/aspeed-g7.dtsi
@@ -0,0 +1,217 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+#include <dt-bindings/clock/aspeed,ast2700-clk.h>
+#include <dt-bindings/reset/aspeed,ast2700-reset.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/interrupt-controller/aspeed-scu-ic.h>
+
+/ {
+ model = "Aspeed BMC";
+ compatible = "aspeed,ast2700";
+ #address-cells = <2>;
+ #size-cells = <2>;
+ interrupt-parent = <&gic>;
+
+ aliases {
+ serial12 = &uart12;
+ };
+
+ cpus {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ cpu@0 {
+ compatible = "arm,cortex-a35";
+ enable-method = "psci";
+ device_type = "cpu";
+ reg = <0>;
+ d-cache-size = <0x8000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <128>;
+ i-cache-size = <0x8000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <256>;
+ next-level-cache = <&l2>;
+ };
+
+ cpu@1 {
+ compatible = "arm,cortex-a35";
+ enable-method = "psci";
+ device_type = "cpu";
+ reg = <1>;
+ d-cache-size = <0x8000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <128>;
+ i-cache-size = <0x8000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <256>;
+ next-level-cache = <&l2>;
+ };
+
+ cpu@2 {
+ compatible = "arm,cortex-a35";
+ enable-method = "psci";
+ device_type = "cpu";
+ reg = <2>;
+ d-cache-size = <0x8000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <128>;
+ i-cache-size = <0x8000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <256>;
+ next-level-cache = <&l2>;
+ };
+
+ cpu@3 {
+ compatible = "arm,cortex-a35";
+ enable-method = "psci";
+ device_type = "cpu";
+ reg = <3>;
+ d-cache-size = <0x8000>;
+ d-cache-line-size = <64>;
+ d-cache-sets = <128>;
+ i-cache-size = <0x8000>;
+ i-cache-line-size = <64>;
+ i-cache-sets = <256>;
+ next-level-cache = <&l2>;
+ };
+
+ l2: l2-cache0 {
+ compatible = "cache";
+ cache-size = <0x80000>;
+ cache-line-size = <64>;
+ cache-sets = <1024>;
+ cache-level = <2>;
+ };
+ };
+
+ pmu {
+ compatible = "arm,cortex-a35-pmu";
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_PPI 7 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>;
+ };
+
+ psci {
+ compatible = "arm,psci-1.0";
+ method = "smc";
+ };
+
+ gic: interrupt-controller@...00000 {
+ compatible = "arm,gic-v3";
+ interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>;
+ #interrupt-cells = <3>;
+ interrupt-controller;
+ interrupt-parent = <&gic>;
+ #redistributor-regions = <1>;
+ reg = <0 0x12200000 0 0x10000>, //GICD
+ <0 0x12280000 0 0x80000>, //GICR
+ <0 0x40440000 0 0x1000>; //GICC
+ };
+
+ timer {
+ compatible = "arm,armv8-timer";
+ interrupt-parent = <&gic>;
+ interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
+ <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>;
+ arm,cpu-registers-not-fw-configured;
+ always-on;
+ };
+
+ soc0: soc@...00000 {
+ compatible = "simple-bus";
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ soc0_sram: sram@...00000 {
+ compatible = "mmio-sram";
+ reg = <0x0 0x10000000 0x0 0x20000>; /* 128KiB SRAM on soc0 */
+ ranges = <0x0 0x0 0x0 0x10000000 0x0 0x20000>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+ no-memory-wc;
+
+ exported@0 {
+ reg = <0 0x0 0 0x20000>;
+ export;
+ };
+ };
+
+ syscon0: syscon@...02000 {
+ compatible = "aspeed,ast2700-scu0", "syscon", "simple-mfd";
+ reg = <0x0 0x12c02000 0x0 0x1000>;
+ ranges = <0x0 0x0 0 0x12c02000 0 0x1000>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+
+ silicon-id@0 {
+ compatible = "aspeed,ast2700-silicon-id", "aspeed,silicon-id";
+ reg = <0 0x0 0 0x4>;
+ };
+
+ scu_ic0: interrupt-controller@1D0 {
+ #interrupt-cells = <1>;
+ compatible = "aspeed,ast2700-scu-ic0";
+ reg = <0 0x1d0 0 0xc>;
+ interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-controller;
+ };
+
+ scu_ic1: interrupt-controller@1E0 {
+ #interrupt-cells = <1>;
+ compatible = "aspeed,ast2700-scu-ic1";
+ reg = <0 0x1e0 0 0xc>;
+ interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-controller;
+ };
+
+ soc0_rst: reset-controller@200 {
+ reg = <0 0x200 0 0x40>;
+ };
+
+ soc0_clk: clock-controller@240 {
+ reg = <0 0x240 0 0x1c0>;
+ };
+ };
+
+ };
+
+ soc1: soc@...00000 {
+ compatible = "simple-bus";
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ syscon1: syscon@...02000 {
+ compatible = "aspeed,ast2700-scu1", "syscon", "simple-mfd";
+ reg = <0x0 0x14c02000 0x0 0x1000>;
+ ranges = <0x0 0x0 0x0 0x14c02000 0x0 0x1000>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+ #clock-cells = <1>;
+ #reset-cells = <1>;
+
+ soc1_rst: reset-controller@200 {
+ #reset-cells = <1>;
+ };
+
+ soc1_clk: clock-controller@240 {
+ reg = <0 0x240 0 0x1c0>;
+ };
+ };
+
+ uart12: serial@...33b00 {
+ compatible = "ns16550a";
+ reg = <0x0 0x14c33b00 0x0 0x100>;
+ reg-shift = <2>;
+ reg-io-width = <4>;
+ clocks = <&syscon1 SCU1_CLK_GATE_UART12CLK>;
+ no-loopback-test;
+ pinctrl-names = "default";
+ };
+ };
+};
+
--
2.34.1
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