This pull request contains Broadcom ARM64-based SoCs Device Tree changes

for 5.11, please pull the following:
 
 - Rafal adds initial support for the Broadcom 4908 which are SoCs used
   in home routers and are based on the DSL architecture and using
   Broadcom Brahma-B53 CPUs.
 -----BEGIN PGP SIGNATURE-----
 
 iQIzBAABCgAdFiEEm+Rq3+YGJdiR9yuFh9CWnEQHBwQFAl/Ce8YACgkQh9CWnEQH
 BwQnhw/9GQHgXy+ZSI5a8mak8eUzK/dwrtdMvtCuERLK6sMvTBJSmuejYoWwzF27
 e+t0rm40Ly2JhxfBdrx6Y/uWxAvXUgFE5Wd//ukY8+G9rHDDvY2KtYxb9V0wjM7L
 4ye0ghYtK1snZRWa5DBNyn4b8UPOCETGqysOQ3hUlSzIL4zzY2OjAXarKAfv4lHJ
 Qj5zRYj0I+KMHBNLa0nryz2fLy3HGVevAMapJ6Sm/sL4feLTX7FkhT9GLpTQXGk6
 9ou3g5ywOZ2P8ic1wldxuPCMGsTYu53MVpRmnuDec68PzGYTfYrd3zyDcTQEh8am
 UtGV/Wo7HwTdGR1KDUEgIbEbf5bSm+vaohEwc/XLziQMf9cCJ+cIushaWb2r/IY4
 EDWD9nYN9z+kJe+05wtWZ4JeXQjL0lajVSpTTSn4oAVcoEl7ixLepqY2uDRl7jFl
 iJhyzvuJOinxJ8Ggs6S0eYgAVrIEZNUrsT6J9MrumXrcAJQPoBMppEPdWeIPkWMn
 hlfWDn7MyWil1+PeCnB9VCgtTq1XlAHzcXXHzdZqJhdHQwi200NmJioEC/M2dJ2Q
 EG/jAmytRJ5N9KFwqTnuVwn581FUdgxDxmTyXw2pr6hafqOou4APqDwmJw8QcBcf
 QLsIJ+3iPyPT52P4zymTKEN22YD768JrRWa1pItAGObzGitlUBE=
 =oz5b
 -----END PGP SIGNATURE-----

Merge tag 'arm-soc/for-5.11/devicetree-arm64' of https://github.com/Broadcom/stblinux into arm/dt

This pull request contains Broadcom ARM64-based SoCs Device Tree changes
for 5.11, please pull the following:

- Rafal adds initial support for the Broadcom 4908 which are SoCs used
  in home routers and are based on the DSL architecture and using
  Broadcom Brahma-B53 CPUs.

* tag 'arm-soc/for-5.11/devicetree-arm64' of https://github.com/Broadcom/stblinux:
  arm64: add config for Broadcom BCM4908 SoCs
  arm64: dts: broadcom: add BCM4908 and Asus GT-AC5300 early DTS files
  dt-bindings: arm: bcm: document BCM4908 bindings

Link: https://lore.kernel.org/r/20201128163410.1691529-4-f.fainelli@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2020-12-08 23:37:23 +01:00
commit 1c202d0c5a
7 changed files with 303 additions and 0 deletions

View file

@ -0,0 +1,38 @@
# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/arm/bcm/brcm,bcm4908.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Broadcom BCM4908 device tree bindings
description:
Broadcom BCM4906 / BCM4908 / BCM49408 Wi-Fi/network SoCs with Brahma CPUs.
maintainers:
- Rafał Miłecki <rafal@milecki.pl>
properties:
$nodename:
const: '/'
compatible:
oneOf:
- description: BCM4906 based boards
items:
- const: brcm,bcm4906
- const: brcm,bcm4908
- description: BCM4908 based boards
items:
- enum:
- asus,gt-ac5300
- const: brcm,bcm4908
- description: BCM49408 based boards
items:
- const: brcm,bcm49408
- const: brcm,bcm4908
additionalProperties: true
...

View file

@ -43,6 +43,14 @@ config ARCH_BCM2835
This enables support for the Broadcom BCM2837 and BCM2711 SoC.
These SoCs are used in the Raspberry Pi 3 and 4 devices.
config ARCH_BCM4908
bool "Broadcom BCM4908 family"
select GPIOLIB
help
This enables support for the Broadcom BCM4906, BCM4908 and
BCM49408 SoCs. These SoCs use Brahma-B53 cores and can be
found in home routers.
config ARCH_BCM_IPROC
bool "Broadcom iProc SoC Family"
select COMMON_CLK_IPROC

View file

@ -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

View file

@ -0,0 +1,2 @@
# SPDX-License-Identifier: GPL-2.0
dtb-$(CONFIG_ARCH_BCM4908) += bcm4908-asus-gt-ac5300.dtb

View file

@ -0,0 +1,66 @@
// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#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 = <KEY_RFKILL>;
gpios = <&gpio0 28 GPIO_ACTIVE_LOW>;
};
wps {
label = "WPS";
linux,code = <KEY_WPS_BUTTON>;
gpios = <&gpio0 29 GPIO_ACTIVE_LOW>;
};
restart {
label = "Reset";
linux,code = <KEY_RESTART>;
gpios = <&gpio0 30 GPIO_ACTIVE_LOW>;
};
brightness {
label = "LEDs";
linux,code = <KEY_BRIGHTNESS_ZERO>;
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>;
};
};
};

View file

@ -0,0 +1,187 @@
// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
/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 = <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 {
compatible = "arm,cortex-a53-pmu";
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 = <&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 = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
};
usb@c400 {
compatible = "generic-ohci";
reg = <0xc400 0x100>;
interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>;
status = "disabled";
};
usb@d000 {
compatible = "generic-xhci";
reg = <0xd000 0x8c8>;
interrupts = <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>;
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 = <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>;
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 = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "nand";
status = "okay";
nandcs: nandcs@0 {
compatible = "brcm,nandcs";
reg = <0>;
};
};
reboot {
compatible = "syscon-reboot";
regmap = <&timer>;
offset = <0x34>;
mask = <1>;
};
};
};

View file

@ -32,6 +32,7 @@ CONFIG_ARCH_AGILEX=y
CONFIG_ARCH_SUNXI=y
CONFIG_ARCH_ALPINE=y
CONFIG_ARCH_BCM2835=y
CONFIG_ARCH_BCM4908=y
CONFIG_ARCH_BCM_IPROC=y
CONFIG_ARCH_BERLIN=y
CONFIG_ARCH_BRCMSTB=y