[v3,4/4] arm64: dts: broadcom: Add support for BCM2712

diff --git a/arch/arm64/boot/dts/broadcom/Makefile b/arch/arm64/boot/dts/broadcom/Makefile
index 8b4591ddd27c..92565e9781ad 100644
--- a/arch/arm64/boot/dts/broadcom/Makefile
+++ b/arch/arm64/boot/dts/broadcom/Makefile
@@ -6,6 +6,7 @@  DTC_FLAGS := -@
 dtb-$(CONFIG_ARCH_BCM2835) += bcm2711-rpi-400.dtb \
 			      bcm2711-rpi-4-b.dtb \
 			      bcm2711-rpi-cm4-io.dtb \
+			      bcm2712-rpi-5-b.dtb \
 			      bcm2837-rpi-3-a-plus.dtb \
 			      bcm2837-rpi-3-b.dtb \
 			      bcm2837-rpi-3-b-plus.dtb \
diff --git a/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts b/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts
new file mode 100644
index 000000000000..2bdbb6780242
--- /dev/null
+++ b/arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts
@@ -0,0 +1,64 @@ 
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include "bcm2712.dtsi"
+
+/ {
+	compatible = "raspberrypi,5-model-b", "brcm,bcm2712";
+	model = "Raspberry Pi 5";
+
+	aliases {
+		serial10 = &uart10;
+	};
+
+	chosen: chosen {
+		stdout-path = "serial10:115200n8";
+	};
+
+	/* Will be filled by the bootloader */
+	memory@0 {
+		device_type = "memory";
+		reg = <0 0 0 0x28000000>;
+	};
+
+	sd_io_1v8_reg: sd-io-1v8-reg {
+		compatible = "regulator-gpio";
+		regulator-name = "vdd-sd-io";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-boot-on;
+		regulator-always-on;
+		regulator-settling-time-us = <5000>;
+		gpios = <&gio_aon 3 GPIO_ACTIVE_HIGH>;
+		states = <1800000 1>,
+			 <3300000 0>;
+	};
+
+	sd_vcc_reg: sd-vcc-reg {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc-sd";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-boot-on;
+		enable-active-high;
+		gpios = <&gio_aon 4 GPIO_ACTIVE_HIGH>;
+	};
+};
+
+/* The Debug UART, on Rpi5 it's on JST-SH 1.0mm 3-pin connector
+ * labeled "UART", i.e. the interface with the system console.
+ */
+&uart10 {
+	status = "okay";
+};
+
+/* SDIO1 is used to drive the SD card */
+&sdio1 {
+	vqmmc-supply = <&sd_io_1v8_reg>;
+	vmmc-supply = <&sd_vcc_reg>;
+	bus-width = <4>;
+	sd-uhs-sdr50;
+	sd-uhs-ddr50;
+	sd-uhs-sdr104;
+};
diff --git a/arch/arm64/boot/dts/broadcom/bcm2712.dtsi b/arch/arm64/boot/dts/broadcom/bcm2712.dtsi
new file mode 100644
index 000000000000..71b0fa6c9594
--- /dev/null
+++ b/arch/arm64/boot/dts/broadcom/bcm2712.dtsi
@@ -0,0 +1,292 @@ 
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+
+/ {
+	compatible = "brcm,bcm2712";
+
+	#address-cells = <2>;
+	#size-cells = <2>;
+
+	interrupt-parent = <&gicv2>;
+
+	axi: axi@1000000000 {
+		compatible = "simple-bus";
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges = <0x10 0x00000000  0x10 0x00000000  0x01 0x00000000>;
+
+		sdio1: mmc@1000fff000 {
+			compatible = "brcm,bcm2712-sdhci",
+				     "brcm,sdhci-brcmstb";
+			reg = <0x10 0x00fff000  0x0 0x260>,
+			      <0x10 0x00fff400  0x0 0x200>;
+			reg-names = "host", "cfg";
+			interrupts = <GIC_SPI 273 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&clk_emmc2>;
+			clock-names = "sw_sdio";
+			mmc-ddr-3_3v;
+		};
+
+		gicv2: interrupt-controller@107fff9000 {
+			interrupt-controller;
+			#interrupt-cells = <3>;
+			compatible = "arm,gic-400";
+			reg = <0x10 0x7fff9000  0x0 0x1000>,
+			      <0x10 0x7fffa000  0x0 0x2000>,
+			      <0x10 0x7fffc000  0x0 0x2000>,
+			      <0x10 0x7fffe000  0x0 0x2000>;
+		};
+	};
+
+	clocks {
+		/* The oscillator is the root of the clock tree. */
+		clk_osc: clk-osc {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-output-names = "osc";
+			clock-frequency = <54000000>;
+		};
+
+		clk_vpu: clk-vpu {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-frequency = <750000000>;
+			clock-output-names = "vpu-clock";
+		};
+
+		clk_uart: clk-uart {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-frequency = <9216000>;
+			clock-output-names = "uart-clock";
+		};
+
+		clk_emmc2: clk-emmc2 {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-frequency = <200000000>;
+			clock-output-names = "emmc2-clock";
+		};
+	};
+
+	cpus: cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		/* Source for L1 d/i cache-line-size, cache-sets, cache-size
+		 * https://developer.arm.com/documentation/100798/0401/L1-memory-system/About-the-L1-memory-system?lang=en
+		 * Source for L2 cache-line-size and cache-sets:
+		 * https://developer.arm.com/documentation/100798/0401/L2-memory-system/About-the-L2-memory-system?lang=en
+		 * and for cache-size:
+		 * https://www.raspberrypi.com/documentation/computers/processors.html#bcm2712
+		 */
+		cpu0: cpu@0 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a76";
+			reg = <0x000>;
+			enable-method = "psci";
+			d-cache-size = <0x10000>;
+			d-cache-line-size = <64>;
+			d-cache-sets = <256>; // 64KiB(size)/64(line-size)=1024ways/4-way set
+			i-cache-size = <0x10000>;
+			i-cache-line-size = <64>;
+			i-cache-sets = <256>; // 64KiB(size)/64(line-size)=1024ways/4-way set
+			next-level-cache = <&l2_cache_l0>;
+
+			l2_cache_l0: l2-cache-l0 {
+				compatible = "cache";
+				cache-size = <0x80000>;
+				cache-line-size = <128>;
+				cache-sets = <1024>; //512KiB(size)/64(line-size)=8192ways/8-way set
+				cache-level = <2>;
+				cache-unified;
+				next-level-cache = <&l3_cache>;
+			};
+		};
+
+		cpu1: cpu@1 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a76";
+			reg = <0x100>;
+			enable-method = "psci";
+			d-cache-size = <0x10000>;
+			d-cache-line-size = <64>;
+			d-cache-sets = <256>; // 64KiB(size)/64(line-size)=1024ways/4-way set
+			i-cache-size = <0x10000>;
+			i-cache-line-size = <64>;
+			i-cache-sets = <256>; // 64KiB(size)/64(line-size)=1024ways/4-way set
+			next-level-cache = <&l2_cache_l1>;
+
+			l2_cache_l1: l2-cache-l1 {
+				compatible = "cache";
+				cache-size = <0x80000>;
+				cache-line-size = <128>;
+				cache-sets = <1024>; //512KiB(size)/64(line-size)=8192ways/8-way set
+				cache-level = <2>;
+				cache-unified;
+				next-level-cache = <&l3_cache>;
+			};
+		};
+
+		cpu2: cpu@2 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a76";
+			reg = <0x200>;
+			enable-method = "psci";
+			d-cache-size = <0x10000>;
+			d-cache-line-size = <64>;
+			d-cache-sets = <256>; // 64KiB(size)/64(line-size)=1024ways/4-way set
+			i-cache-size = <0x10000>;
+			i-cache-line-size = <64>;
+			i-cache-sets = <256>; // 64KiB(size)/64(line-size)=1024ways/4-way set
+			next-level-cache = <&l2_cache_l2>;
+
+			l2_cache_l2: l2-cache-l2 {
+				compatible = "cache";
+				cache-size = <0x80000>;
+				cache-line-size = <128>;
+				cache-sets = <1024>; //512KiB(size)/64(line-size)=8192ways/8-way set
+				cache-level = <2>;
+				cache-unified;
+				next-level-cache = <&l3_cache>;
+			};
+		};
+
+		cpu3: cpu@3 {
+			device_type = "cpu";
+			compatible = "arm,cortex-a76";
+			reg = <0x300>;
+			enable-method = "psci";
+			d-cache-size = <0x10000>;
+			d-cache-line-size = <64>;
+			d-cache-sets = <256>; // 64KiB(size)/64(line-size)=1024ways/4-way set
+			i-cache-size = <0x10000>;
+			i-cache-line-size = <64>;
+			i-cache-sets = <256>; // 64KiB(size)/64(line-size)=1024ways/4-way set
+			next-level-cache = <&l2_cache_l3>;
+
+			l2_cache_l3: l2-cache-l3 {
+				compatible = "cache";
+				cache-size = <0x80000>;
+				cache-line-size = <128>;
+				cache-sets = <1024>; //512KiB(size)/64(line-size)=8192ways/8-way set
+				cache-level = <2>;
+				cache-unified;
+				next-level-cache = <&l3_cache>;
+			};
+		};
+
+		/* Source for cache-line-size and cache-sets:
+		 * https://developer.arm.com/documentation/100453/0401/L3-cache?lang=en
+		 * Source for cache-size:
+		 * https://www.raspberrypi.com/documentation/computers/processors.html#bcm2712
+		 */
+		l3_cache: l3-cache {
+			compatible = "cache";
+			cache-size = <0x200000>;
+			cache-line-size = <64>;
+			cache-sets = <2048>; // 2MiB(size)/64(line-size)=32768ways/16-way set
+			cache-level = <3>;
+			cache-unified;
+		};
+	};
+
+	psci {
+		method = "smc";
+		compatible = "arm,psci-1.0", "arm,psci-0.2";
+	};
+
+	rmem: reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		atf@0 {
+			reg = <0x0 0x0 0x0 0x80000>;
+			no-map;
+		};
+
+		cma: linux,cma {
+			compatible = "shared-dma-pool";
+			size = <0x0 0x4000000>; /* 64MB */
+			reusable;
+			linux,cma-default;
+			alloc-ranges = <0x0 0x00000000 0x0 0x40000000>;
+		};
+	};
+
+	soc: soc@107c000000 {
+		compatible = "simple-bus";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		ranges     = <0x7c000000  0x10 0x7c000000  0x04000000>;
+		/* Emulate a contiguous 30-bit address range for DMA */
+		dma-ranges = <0xc0000000  0x00 0x00000000  0x40000000>,
+			     <0x7c000000  0x10 0x7c000000  0x04000000>;
+
+		system_timer: timer@7c003000 {
+			compatible = "brcm,bcm2835-system-timer";
+			reg = <0x7c003000 0x1000>;
+			interrupts = <GIC_SPI 64 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 66 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>;
+			clock-frequency = <1000000>;
+		};
+
+		mailbox: mailbox@7c013880 {
+			compatible = "brcm,bcm2835-mbox";
+			reg = <0x7c013880 0x40>;
+			interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
+			#mbox-cells = <0>;
+		};
+
+		local_intc: local-intc@7cd00000 {
+			compatible = "brcm,bcm2836-l1-intc";
+			reg = <0x7cd00000 0x100>;
+		};
+
+		uart10: serial@7d001000 {
+			compatible = "arm,pl011", "arm,primecell";
+			reg = <0x7d001000 0x200>;
+			interrupts = <GIC_SPI 121 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&clk_uart>, <&clk_vpu>;
+			clock-names = "uartclk", "apb_pclk";
+			arm,primecell-periphid = <0x00241011>;
+			status = "disabled";
+		};
+
+		interrupt-controller@7d517000 {
+			compatible = "brcm,bcm7271-l2-intc";
+			reg = <0x7d517000 0x10>;
+			interrupts = <GIC_SPI 247 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-controller;
+			#interrupt-cells = <1>;
+		};
+
+		gio_aon: gpio@7d517c00 {
+			compatible = "brcm,bcm7445-gpio", "brcm,brcmstb-gpio";
+			reg = <0x7d517c00 0x40>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			// Don't use GIO_AON as an interrupt controller because it will
+			// clash with the firmware monitoring the PMIC interrupt via the VPU.
+			brcm,gpio-bank-widths = <17 6>;
+		};
+	};
+
+	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)>,
+			     <GIC_PPI 12 (GIC_CPU_MASK_SIMPLE(4) |
+					  IRQ_TYPE_LEVEL_LOW)>;
+	};
+};