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From:   Anand Gore <anand.gore@broadcom.com>
To:     Linux ARM List <linux-arm-kernel@lists.infradead.org>
Cc:     kursad.oney@broadcom.com, joel.peshkin@broadcom.com,
        samyon.furman@broadcom.com, tomer.yacoby@broadcom.com,
        dan.beygelman@broadcom.com, florian.fainelli@broadcom.com,
        William Zhang <william.zhang@broadcom.com>,
        Anand Gore <anand.gore@broadcom.com>,
        Broadcom internal kernel review list 
        <bcm-kernel-feedback-list@broadcom.com>,
        Florian Fainelli <f.fainelli@gmail.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Rob Herring <robh+dt@kernel.org>, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: [PATCH v2 1/3] ARM64: dts: add dts files for bcmbca SoC bcm6858
Date:   Tue, 31 May 2022 11:46:13 -0700
Message-Id: <20220531114551.v2.1.I66ae43da75911b704f02a759f70d66bc7e542885@changeid>
In-Reply-To: <20220531184615.2836433-1-anand.gore@broadcom.com>
References: <20220531184615.2836433-1-anand.gore@broadcom.com>
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--0000000000006ef90b05e05330d9
Content-Transfer-Encoding: 8bit

Add dts for ARMv8 based broadband SoC BCM6858.
bcm6858.dtsi is the SoC description dts header
and bcm96858.dts is a simple dts file for Broadcom
BCM96858 Reference board that only enables the UART port.

Signed-off-by: Anand Gore <anand.gore@broadcom.com>

---

Changes in v2:
- Fix psci and GIC entries in dts

 arch/arm64/boot/dts/broadcom/bcmbca/Makefile  |   3 +-
 .../boot/dts/broadcom/bcmbca/bcm6858.dtsi     | 121 ++++++++++++++++++
 .../boot/dts/broadcom/bcmbca/bcm96858.dts     |  30 +++++
 3 files changed, 153 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm64/boot/dts/broadcom/bcmbca/bcm6858.dtsi
 create mode 100644 arch/arm64/boot/dts/broadcom/bcmbca/bcm96858.dts

diff --git a/arch/arm64/boot/dts/broadcom/bcmbca/Makefile b/arch/arm64/boot/dts/broadcom/bcmbca/Makefile
index d5f89245336c..7d98b0787b8c 100644
--- a/arch/arm64/boot/dts/broadcom/bcmbca/Makefile
+++ b/arch/arm64/boot/dts/broadcom/bcmbca/Makefile
@@ -1,2 +1,3 @@
 # SPDX-License-Identifier: GPL-2.0
-dtb-$(CONFIG_ARCH_BCMBCA) += bcm963158.dtb
+dtb-$(CONFIG_ARCH_BCMBCA) += bcm963158.dtb \
+				bcm96858.dtb
diff --git a/arch/arm64/boot/dts/broadcom/bcmbca/bcm6858.dtsi b/arch/arm64/boot/dts/broadcom/bcmbca/bcm6858.dtsi
new file mode 100644
index 000000000000..ff8d9a728d8d
--- /dev/null
+++ b/arch/arm64/boot/dts/broadcom/bcmbca/bcm6858.dtsi
@@ -0,0 +1,121 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2022 Broadcom Ltd.
+ */
+
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+/ {
+	compatible = "brcm,bcm6858", "brcm,bcmbca";
+	#address-cells = <2>;
+	#size-cells = <2>;
+
+	interrupt-parent = <&gic>;
+
+	cpus {
+		#address-cells = <2>;
+		#size-cells = <0>;
+
+		B53_0: cpu@0 {
+			compatible = "brcm,brahma-b53";
+			device_type = "cpu";
+			reg = <0x0 0x0>;
+			next-level-cache = <&L2_0>;
+			enable-method = "psci";
+		};
+
+		B53_1: cpu@1 {
+			compatible = "brcm,brahma-b53";
+			device_type = "cpu";
+			reg = <0x0 0x1>;
+			next-level-cache = <&L2_0>;
+			enable-method = "psci";
+		};
+
+		B53_2: cpu@2 {
+			compatible = "brcm,brahma-b53";
+			device_type = "cpu";
+			reg = <0x0 0x2>;
+			next-level-cache = <&L2_0>;
+			enable-method = "psci";
+		};
+
+		B53_3: cpu@3 {
+			compatible = "brcm,brahma-b53";
+			device_type = "cpu";
+			reg = <0x0 0x3>;
+			next-level-cache = <&L2_0>;
+			enable-method = "psci";
+		};
+		L2_0: l2-cache0 {
+			compatible = "cache";
+		};
+	};
+
+	timer {
+		compatible = "arm,armv8-timer";
+		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+			<GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+			<GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
+			<GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
+	};
+
+	pmu: pmu {
+		compatible = "arm,armv8-pmuv3";
+		interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>,
+			<GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>,
+			<GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>,
+			<GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-affinity = <&B53_0>, <&B53_1>,
+			<&B53_2>, <&B53_3>;
+	};
+
+	clocks: clocks {
+		periph_clk:periph-clk {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <200000000>;
+		};
+	};
+
+	psci {
+		compatible = "arm,psci-0.2";
+		method = "smc";
+	};
+
+	axi@81000000 {
+		compatible = "simple-bus";
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges = <0x0 0x0 0x0 0x81000000 0x0 0x8000>;
+
+		gic: interrupt-controller@1000 {
+			compatible = "arm,gic-400";
+			#interrupt-cells = <3>;
+			interrupt-controller;
+			reg = <0x0 0x1000 0x0 0x1000>, /* GICD */
+				<0x0 0x2000 0x0 0x2000>, /* GICC */
+				<0x0 0x4000 0x0 0x2000>, /* GICH */
+				<0x0 0x6000 0x0 0x2000>; /* GICV */
+			interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) |
+					IRQ_TYPE_LEVEL_HIGH)>;
+		};
+	};
+
+	bus@ff800000 {
+		compatible = "simple-bus";
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges = <0x0 0x0 0x0 0xff800000 0x0 0x62000>;
+
+		uart0: serial@640 {
+			compatible = "brcm,bcm6345-uart";
+			reg = <0x0 0x640 0x0 0x18>;
+			interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&periph_clk>;
+			clock-names = "refclk";
+			status = "disabled";
+		};
+	};
+};
diff --git a/arch/arm64/boot/dts/broadcom/bcmbca/bcm96858.dts b/arch/arm64/boot/dts/broadcom/bcmbca/bcm96858.dts
new file mode 100644
index 000000000000..0cbf582f5d54
--- /dev/null
+++ b/arch/arm64/boot/dts/broadcom/bcmbca/bcm96858.dts
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright 2022 Broadcom Ltd.
+ */
+
+/dts-v1/;
+
+#include "bcm6858.dtsi"
+
+/ {
+	model = "Broadcom BCM96858 Reference Board";
+	compatible = "brcm,bcm96858", "brcm,bcm6858", "brcm,bcmbca";
+
+	aliases {
+		serial0 = &uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x0 0x0 0x08000000>;
+	};
+};
+
+&uart0 {
+	status = "okay";
+};
-- 
2.25.1


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