diff options
author | Arnd Bergmann <arnd@arndb.de> | 2024-09-11 08:49:39 +0000 |
---|---|---|
committer | Arnd Bergmann <arnd@arndb.de> | 2024-09-11 08:49:39 +0000 |
commit | af0103eccc101bb7802fb473b886e6008cfe968d (patch) | |
tree | c94499978d7e2672b31af76db409b1bd3dcea6d2 /arch | |
parent | d053652f386ed8d47026e152507055ac889e2421 (diff) | |
parent | eb81f43c901ff799d762aa65888fd87d08d9a1ff (diff) |
Merge tag 'arm-soc/for-6.12/devicetree-arm64' of https://github.com/Broadcom/stblinux into soc/dt
This pull request contains Broadcom ARM64 SoCs Device Tree changes for
6.12, please pull the following:
- Andrea adds a minimal Device Tree for the Raspberry Pi 5 (2712)
- Stefan adjusts the bcm2837/bcm2712 bcm2836-l1-intc node name to
conform to the binding changes
* tag 'arm-soc/for-6.12/devicetree-arm64' of https://github.com/Broadcom/stblinux:
ARM: dts: bcm2837/bcm2712: adjust local intc node names
arm64: dts: broadcom: Add minimal support for Raspberry Pi 5
Link: https://lore.kernel.org/r/20240906180643.2275460-2-florian.fainelli@broadcom.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/boot/dts/broadcom/bcm2837.dtsi | 2 | ||||
-rw-r--r-- | arch/arm64/boot/dts/broadcom/Makefile | 1 | ||||
-rw-r--r-- | arch/arm64/boot/dts/broadcom/bcm2712-rpi-5-b.dts | 64 | ||||
-rw-r--r-- | arch/arm64/boot/dts/broadcom/bcm2712.dtsi | 283 |
4 files changed, 349 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/broadcom/bcm2837.dtsi b/arch/arm/boot/dts/broadcom/bcm2837.dtsi index 84c08b46519d..c281697142b1 100644 --- a/arch/arm/boot/dts/broadcom/bcm2837.dtsi +++ b/arch/arm/boot/dts/broadcom/bcm2837.dtsi @@ -9,7 +9,7 @@ <0x40000000 0x40000000 0x00001000>; dma-ranges = <0xc0000000 0x00000000 0x3f000000>; - local_intc: local_intc@40000000 { + local_intc: interrupt-controller@40000000 { compatible = "brcm,bcm2836-l1-intc"; reg = <0x40000000 0x100>; interrupt-controller; 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..6e5a984c1d4e --- /dev/null +++ b/arch/arm64/boot/dts/broadcom/bcm2712.dtsi @@ -0,0 +1,283 @@ +// 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>; + + 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 { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <750000000>; + clock-output-names = "vpu-clock"; + }; + + clk_uart: clk-uart { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <9216000>; + clock-output-names = "uart-clock"; + }; + + clk_emmc2: clk-emmc2 { + compatible = "fixed-clock"; + #clock-cells = <0>; + 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 { + ranges; + #address-cells = <2>; + #size-cells = <2>; + + 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"; + ranges = <0x00000000 0x10 0x00000000 0x80000000>; + #address-cells = <1>; + #size-cells = <1>; + + sdio1: mmc@fff000 { + compatible = "brcm,bcm2712-sdhci", + "brcm,sdhci-brcmstb"; + reg = <0x00fff000 0x260>, + <0x00fff400 0x200>; + reg-names = "host", "cfg"; + interrupts = <GIC_SPI 273 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clk_emmc2>; + clock-names = "sw_sdio"; + mmc-ddr-3_3v; + }; + + 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: interrupt-controller@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>; + brcm,gpio-bank-widths = <17 6>; + /* The lack of 'interrupt-controller' property here is intended: + * don't use GIO_AON as an interrupt controller because it will + * clash with the firmware monitoring the PMIC interrupt via the VPU. + */ + }; + + gicv2: interrupt-controller@7fff9000 { + compatible = "arm,gic-400"; + reg = <0x7fff9000 0x1000>, + <0x7fffa000 0x2000>, + <0x7fffc000 0x2000>, + <0x7fffe000 0x2000>; + interrupt-controller; + #interrupt-cells = <3>; + }; + }; + + 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)>; + }; +}; |