From: Rafał Miłecki Date: Thu, 12 Nov 2020 15:08:32 +0000 (+0100) Subject: arm64: dts: broadcom: add BCM4908 and Asus GT-AC5300 early DTS files X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=2961f69f151c0a6771f55cef46398fe49ca20902;p=linux.git arm64: dts: broadcom: add BCM4908 and Asus GT-AC5300 early DTS files They don't descibe hardware fully yet but it's enough to boot a system. Some missing blocks: 1. PMC (Power Management Controller?) 2. Ethernet 3. Crypto 4. Thermal Asus DTS is missing defining full NAND partitions layout and buttons. Further changes will fill those gaps as soon as required bindings will be found / tested / added. Signed-off-by: Rafał Miłecki Signed-off-by: Florian Fainelli --- diff --git a/arch/arm64/boot/dts/broadcom/Makefile b/arch/arm64/boot/dts/broadcom/Makefile index cb7de8d99223d..998e240aa6987 100644 --- a/arch/arm64/boot/dts/broadcom/Makefile +++ b/arch/arm64/boot/dts/broadcom/Makefile @@ -5,5 +5,6 @@ dtb-$(CONFIG_ARCH_BCM2835) += bcm2711-rpi-4-b.dtb \ bcm2837-rpi-3-b-plus.dtb \ bcm2837-rpi-cm3-io3.dtb +subdir-y += bcm4908 subdir-y += northstar2 subdir-y += stingray diff --git a/arch/arm64/boot/dts/broadcom/bcm4908/Makefile b/arch/arm64/boot/dts/broadcom/bcm4908/Makefile new file mode 100644 index 0000000000000..ef26c23603ce7 --- /dev/null +++ b/arch/arm64/boot/dts/broadcom/bcm4908/Makefile @@ -0,0 +1,2 @@ +# SPDX-License-Identifier: GPL-2.0 +dtb-$(CONFIG_ARCH_BCM4908) += bcm4908-asus-gt-ac5300.dtb diff --git a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908-asus-gt-ac5300.dts b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908-asus-gt-ac5300.dts new file mode 100644 index 0000000000000..13c6b86eef210 --- /dev/null +++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908-asus-gt-ac5300.dts @@ -0,0 +1,66 @@ +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT + +#include +#include + +#include "bcm4908.dtsi" + +/ { + compatible = "asus,gt-ac5300", "brcm,bcm4908"; + model = "Asus GT-AC5300"; + + memory@0 { + device_type = "memory"; + reg = <0x00 0x00 0x00 0x40000000>; + }; + + gpio-keys-polled { + compatible = "gpio-keys-polled"; + poll-interval = <100>; + + wifi { + label = "WiFi"; + linux,code = ; + gpios = <&gpio0 28 GPIO_ACTIVE_LOW>; + }; + + wps { + label = "WPS"; + linux,code = ; + gpios = <&gpio0 29 GPIO_ACTIVE_LOW>; + }; + + restart { + label = "Reset"; + linux,code = ; + gpios = <&gpio0 30 GPIO_ACTIVE_LOW>; + }; + + brightness { + label = "LEDs"; + linux,code = ; + gpios = <&gpio0 31 GPIO_ACTIVE_LOW>; + }; + }; +}; + +&nandcs { + nand-ecc-strength = <4>; + nand-ecc-step-size = <512>; + nand-on-flash-bbt; + brcm,nand-has-wp; + + #address-cells = <1>; + #size-cells = <0>; + + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + partition@0 { + label = "cferom"; + reg = <0x0 0x100000>; + }; + }; +}; diff --git a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi new file mode 100644 index 0000000000000..f873dc44ce9ca --- /dev/null +++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi @@ -0,0 +1,187 @@ +// SPDX-License-Identifier: GPL-2.0-or-later OR MIT + +#include +#include + +/dts-v1/; + +/ { + interrupt-parent = <&gic>; + + #address-cells = <2>; + #size-cells = <2>; + + aliases { + serial0 = &uart0; + }; + + chosen { + stdout-path = "serial0:115200n8"; + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu0: cpu@0 { + device_type = "cpu"; + compatible = "brcm,brahma-b53"; + reg = <0x0>; + next-level-cache = <&l2>; + }; + + cpu1: cpu@1 { + device_type = "cpu"; + compatible = "brcm,brahma-b53"; + reg = <0x1>; + enable-method = "spin-table"; + cpu-release-addr = <0x0 0xfff8>; + next-level-cache = <&l2>; + }; + + cpu2: cpu@2 { + device_type = "cpu"; + compatible = "brcm,brahma-b53"; + reg = <0x2>; + enable-method = "spin-table"; + cpu-release-addr = <0x0 0xfff8>; + next-level-cache = <&l2>; + }; + + cpu3: cpu@3 { + device_type = "cpu"; + compatible = "brcm,brahma-b53"; + reg = <0x3>; + enable-method = "spin-table"; + cpu-release-addr = <0x0 0xfff8>; + next-level-cache = <&l2>; + }; + + l2: l2-cache0 { + compatible = "cache"; + }; + }; + + axi@81000000 { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x00 0x00 0x81000000 0x4000>; + + gic: interrupt-controller@1000 { + compatible = "arm,gic-400"; + #interrupt-cells = <3>; + #address-cells = <0>; + interrupt-controller; + reg = <0x1000 0x1000>, + <0x2000 0x2000>; + }; + }; + + timer { + compatible = "arm,armv8-timer"; + interrupts = , + , + , + ; + }; + + pmu { + compatible = "arm,cortex-a53-pmu"; + interrupts = , + , + , + ; + interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>; + }; + + clocks { + periph_clk: periph_clk { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <50000000>; + clock-output-names = "periph"; + }; + }; + + soc { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x00 0x00 0x80000000 0x10000>; + + usb@c300 { + compatible = "generic-ehci"; + reg = <0xc300 0x100>; + interrupts = ; + status = "disabled"; + }; + + usb@c400 { + compatible = "generic-ohci"; + reg = <0xc400 0x100>; + interrupts = ; + status = "disabled"; + }; + + usb@d000 { + compatible = "generic-xhci"; + reg = <0xd000 0x8c8>; + interrupts = ; + status = "disabled"; + }; + }; + + bus@ff800000 { + compatible = "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x00 0x00 0xff800000 0x3000>; + + timer: timer@400 { + compatible = "brcm,bcm6328-timer", "syscon"; + reg = <0x400 0x3c>; + }; + + gpio0: gpio-controller@500 { + compatible = "brcm,bcm6345-gpio"; + reg-names = "dirout", "dat"; + reg = <0x500 0x28>, <0x528 0x28>; + + #gpio-cells = <2>; + gpio-controller; + }; + + uart0: serial@640 { + compatible = "brcm,bcm6345-uart"; + reg = <0x640 0x18>; + interrupts = ; + clocks = <&periph_clk>; + clock-names = "periph"; + status = "okay"; + }; + + nand@1800 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "brcm,brcmnand-v7.1", "brcm,brcmnand"; + reg = <0x1800 0x600>, <0x2000 0x10>; + reg-names = "nand", "nand-int-base"; + interrupts = ; + interrupt-names = "nand"; + status = "okay"; + + nandcs: nandcs@0 { + compatible = "brcm,nandcs"; + reg = <0>; + }; + }; + + reboot { + compatible = "syscon-reboot"; + regmap = <&timer>; + offset = <0x34>; + mask = <1>; + }; + }; +};