bcm4908: backport bcmbca DT patches queued for 5.20

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
(cherry picked from commit d63ef7c90f75393270ec4f5ff1b2563d6bd52066)

1 files changed, 191 insertions, 0 deletions

diff --git a/target/linux/bcm4908/patches-5.4/037-v5.20-0002-arm64-dts-Add-DTS-files-for-bcmbca-SoC-BCM4912.patch b/target/linux/bcm4908/patches-5.4/037-v5.20-0002-arm64-dts-Add-DTS-files-for-bcmbca-SoC-BCM4912.patch
new file mode 100644
index 0000000000..5cdb9d1df1
--- /dev/null
+++ b/target/linux/bcm4908/patches-5.4/037-v5.20-0002-arm64-dts-Add-DTS-files-for-bcmbca-SoC-BCM4912.patch
@@ -0,0 +1,191 @@
+From 1ba56aeb391401c4cb2126c39f90b3cdbfabdb3f Mon Sep 17 00:00:00 2001
+From: William Zhang <william.zhang@broadcom.com>
+Date: Wed, 1 Jun 2022 13:17:34 -0700
+Subject: [PATCH] arm64: dts: Add DTS files for bcmbca SoC BCM4912
+
+Add DTS for ARMv8 based broadband SoC BCM4912. bcm4912.dtsi is the
+SoC description DTS header and bcm94912.dts is a simple DTS file for
+Broadcom BCM94912 Reference board that only enable the UART port.
+
+Signed-off-by: William Zhang <william.zhang@broadcom.com>
+Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
+Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
+---
+ arch/arm64/boot/dts/broadcom/bcmbca/Makefile  |   3 +-
+ .../boot/dts/broadcom/bcmbca/bcm4912.dtsi     | 128 ++++++++++++++++++
+ .../boot/dts/broadcom/bcmbca/bcm94912.dts     |  30 ++++
+ 3 files changed, 160 insertions(+), 1 deletion(-)
+ create mode 100644 arch/arm64/boot/dts/broadcom/bcmbca/bcm4912.dtsi
+ create mode 100644 arch/arm64/boot/dts/broadcom/bcmbca/bcm94912.dts
+
+--- 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) += bcm94912.dtb \
++				bcm963158.dtb
+--- /dev/null
++++ b/arch/arm64/boot/dts/broadcom/bcmbca/bcm4912.dtsi
+@@ -0,0 +1,128 @@
++// 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,bcm4912", "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,cortex-a53-pmu";
++		interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>,
++			<GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
++			<GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>,
++			<GIC_SPI 10 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>;
++		};
++		uart_clk: uart-clk {
++			compatible = "fixed-factor-clock";
++			#clock-cells = <0>;
++			clocks = <&periph_clk>;
++			clock-div = <4>;
++			clock-mult = <1>;
++		};
++	};
++
++	psci {
++		compatible = "arm,psci-0.2";
++		method = "smc";
++	};
++
++	axi@81000000 {
++		compatible = "simple-bus";
++		#address-cells = <1>;
++		#size-cells = <1>;
++		ranges = <0x0 0x0 0x81000000 0x8000>;
++
++		gic: interrupt-controller@1000 {
++			compatible = "arm,gic-400";
++			#interrupt-cells = <3>;
++			interrupt-controller;
++			interrupts = <GIC_PPI 9 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_HIGH)>;
++			reg = <0x1000 0x1000>,
++				<0x2000 0x2000>,
++				<0x4000 0x2000>,
++				<0x6000 0x2000>;
++		};
++	};
++
++	bus@ff800000 {
++		compatible = "simple-bus";
++		#address-cells = <1>;
++		#size-cells = <1>;
++		ranges = <0x0 0x0 0xff800000 0x800000>;
++
++		uart0: serial@12000 {
++			compatible = "arm,pl011", "arm,primecell";
++			reg = <0x12000 0x1000>;
++			interrupts = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
++			clocks = <&uart_clk>, <&uart_clk>;
++			clock-names = "uartclk", "apb_pclk";
++			status = "disabled";
++		};
++	};
++};
+--- /dev/null
++++ b/arch/arm64/boot/dts/broadcom/bcmbca/bcm94912.dts
+@@ -0,0 +1,30 @@
++// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
++/*
++ * Copyright 2022 Broadcom Ltd.
++ */
++
++/dts-v1/;
++
++#include "bcm4912.dtsi"
++
++/ {
++	model = "Broadcom BCM94912 Reference Board";
++	compatible = "brcm,bcm94912", "brcm,bcm4912", "brcm,bcmbca";
++
++	aliases {
++		serial0 = &uart0;
++	};
++
++	chosen {
++		stdout-path = "serial0:115200n8";
++	};
++
++	memory@0 {
++		device_type = "memory";
++		reg = <0x0 0x0 0x0 0x08000000>;
++	};
++};
++
++&uart0 {
++	status = "okay";
++};