openwrt/target/linux/bmips/dts/bcm6328.dtsi
Álvaro Fernández Rojas e9f5b773d2 bmips: document GPIO external interrupts
BCM63xx SoCs have an external interrupt controller which can be used for
specific GPIO keys.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2023-04-27 15:39:09 +02:00

510 lines
10 KiB
Plaintext

// SPDX-License-Identifier: GPL-2.0-or-later
/dts-v1/;
#include <dt-bindings/clock/bcm6328-clock.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/bcm6328-interrupt-controller.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/reset/bcm6328-reset.h>
#include <dt-bindings/soc/bcm6328-pm.h>
/ {
#address-cells = <1>;
#size-cells = <1>;
compatible = "brcm,bcm6328";
aliases {
nflash = &nflash;
pinctrl = &pinctrl;
serial0 = &uart0;
serial1 = &uart1;
spi1 = &hsspi;
};
chosen {
bootargs = "earlycon";
stdout-path = "serial0:115200n8";
};
clocks {
periph_osc: periph-osc {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <50000000>;
clock-output-names = "periph";
};
hsspi_osc: hsspi-osc {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <133333333>;
clock-output-names = "hsspi_osc";
};
};
cpus {
#address-cells = <1>;
#size-cells = <0>;
mips-hpt-frequency = <160000000>;
cpu@0 {
compatible = "brcm,bmips4350", "mips,mips4Kc";
device_type = "cpu";
reg = <0>;
};
cpu@1 {
compatible = "brcm,bmips4350", "mips,mips4Kc";
device_type = "cpu";
reg = <1>;
};
};
cpu_intc: interrupt-controller {
#address-cells = <0>;
compatible = "mti,cpu-interrupt-controller";
interrupt-controller;
#interrupt-cells = <1>;
};
memory@0 {
device_type = "memory";
reg = <0 0>;
};
ubus {
#address-cells = <1>;
#size-cells = <1>;
compatible = "simple-bus";
ranges;
periph_clk: clock-controller@10000004 {
compatible = "brcm,bcm6328-clocks";
reg = <0x10000004 0x4>;
#clock-cells = <1>;
};
periph_rst: reset-controller@10000010 {
compatible = "brcm,bcm6345-reset";
reg = <0x10000010 0x4>;
#reset-cells = <1>;
};
ext_intc: interrupt-controller@10000018 {
#address-cells = <1>;
compatible = "brcm,bcm6345-ext-intc";
reg = <0x10000018 0x4>;
interrupt-controller;
#interrupt-cells = <2>;
interrupt-parent = <&periph_intc>;
interrupts = <BCM6328_IRQ_EXTO>,
<BCM6328_IRQ_EXT1>,
<BCM6328_IRQ_EXT2>,
<BCM6328_IRQ_EXT3>;
};
periph_intc: interrupt-controller@10000020 {
#address-cells = <1>;
compatible = "brcm,bcm6345-l1-intc";
reg = <0x10000020 0x10>,
<0x10000030 0x10>;
interrupt-controller;
#interrupt-cells = <1>;
interrupt-parent = <&cpu_intc>;
interrupts = <2>, <3>;
};
wdt: watchdog@1000005c {
compatible = "brcm,bcm7038-wdt";
reg = <0x1000005c 0xc>;
clocks = <&periph_osc>;
timeout-sec = <30>;
};
pll_cntl: syscon@10000068 {
compatible = "syscon", "simple-mfd";
reg = <0x10000068 0x4>;
native-endian;
syscon-reboot {
compatible = "syscon-reboot";
offset = <0>;
mask = <0x1>;
};
};
gpio_cntl: syscon@10000080 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "brcm,bcm6328-gpio-sysctl",
"syscon", "simple-mfd";
reg = <0x10000080 0x80>;
ranges = <0 0x10000080 0x80>;
native-endian;
gpio: gpio@0 {
compatible = "brcm,bcm6328-gpio";
reg-names = "dirout", "dat";
reg = <0x0 0x8>, <0x8 0x8>;
gpio-controller;
gpio-ranges = <&pinctrl 0 0 32>;
#gpio-cells = <2>;
};
pinctrl: pinctrl@18 {
compatible = "brcm,bcm6328-pinctrl";
reg = <0x18 0x10>;
pinctrl_serial_led: serial_led-pins {
pinctrl_serial_led_data: serial_led_data-pins {
function = "serial_led_data";
pins = "gpio6";
};
pinctrl_serial_led_clk: serial_led_clk-pins {
function = "serial_led_clk";
pins = "gpio7";
};
};
pinctrl_inet_act_led: inet_act_led-pins {
function = "inet_act_led";
pins = "gpio11";
};
pinctrl_pcie_clkreq: pcie_clkreq-pins {
function = "pcie_clkreq";
pins = "gpio16";
};
pinctrl_ephy0_spd_led: ephy0_spd_led-pins {
function = "led";
pins = "gpio17";
};
pinctrl_ephy1_spd_led: ephy1_spd_led-pins {
function = "led";
pins = "gpio18";
};
pinctrl_ephy2_spd_led: ephy2_spd_led-pins {
function = "led";
pins = "gpio19";
};
pinctrl_ephy3_spd_led: ephy3_spd_led-pins {
function = "led";
pins = "gpio20";
};
pinctrl_ephy0_act_led: ephy0_act_led-pins {
function = "ephy0_act_led";
pins = "gpio25";
};
pinctrl_ephy1_act_led: ephy1_act_led-pins {
function = "ephy1_act_led";
pins = "gpio26";
};
pinctrl_ephy2_act_led: ephy2_act_led-pins {
function = "ephy2_act_led";
pins = "gpio27";
};
pinctrl_ephy3_act_led: ephy3_act_led-pins {
function = "ephy3_act_led";
pins = "gpio28";
};
pinctrl_hsspi_cs1: hsspi_cs1-pins {
function = "hsspi_cs1";
pins = "hsspi_cs1";
};
pinctrl_usb_port1_device: usb_port1_device-pins {
function = "usb_device_port";
pins = "usb_port1";
};
pinctrl_usb_port1_host: usb_port1_host-pins {
function = "usb_host_port";
pins = "usb_port1";
};
};
};
uart0: serial@10000100 {
compatible = "brcm,bcm6345-uart";
reg = <0x10000100 0x18>;
interrupt-parent = <&periph_intc>;
interrupts = <BCM6328_IRQ_UART0>;
clocks = <&periph_osc>;
clock-names = "periph";
status = "disabled";
};
uart1: serial@10000120 {
compatible = "brcm,bcm6345-uart";
reg = <0x10000120 0x18>;
interrupt-parent = <&periph_intc>;
interrupts = <BCM6328_IRQ_UART1>;
clocks = <&periph_osc>;
clock-names = "periph";
status = "disabled";
};
nflash: nand@10000200 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "brcm,nand-bcm6368",
"brcm,brcmnand-v2.2",
"brcm,brcmnand";
reg = <0x10000200 0x180>,
<0x10000400 0x200>,
<0x10000070 0x10>;
reg-names = "nand",
"nand-cache",
"nand-int-base";
interrupt-parent = <&periph_intc>;
interrupts = <BCM6328_IRQ_NAND>;
status = "disabled";
};
leds: led-controller@10000800 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "brcm,bcm6328-leds";
reg = <0x10000800 0x24>;
status = "disabled";
};
hsspi: spi@10001000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "brcm,bcm6328-hsspi";
reg = <0x10001000 0x600>;
interrupt-parent = <&periph_intc>;
interrupts = <BCM6328_IRQ_HSSPI>;
clocks = <&periph_clk BCM6328_CLK_HSSPI>,
<&hsspi_osc>;
clock-names = "hsspi",
"pll";
resets = <&periph_rst BCM6328_RST_SPI>;
status = "disabled";
};
serdes_cntl: syscon@10001800 {
compatible = "syscon";
reg = <0x10001800 0x4>;
native-endian;
};
periph_pwr: power-controller@10001848 {
compatible = "brcm,bcm6328-power-controller";
reg = <0x10001848 0x4>;
#power-domain-cells = <1>;
};
ehci: usb@10002500 {
compatible = "brcm,bcm6328-ehci", "generic-ehci";
reg = <0x10002500 0x100>;
big-endian;
spurious-oc;
interrupt-parent = <&periph_intc>;
interrupts = <BCM6328_IRQ_EHCI>;
phys = <&usbh 0>;
phy-names = "usb";
status = "disabled";
};
ohci: usb@10002600 {
compatible = "brcm,bcm6328-ohci", "generic-ohci";
reg = <0x10002600 0x100>;
big-endian;
no-big-frame-no;
interrupt-parent = <&periph_intc>;
interrupts = <BCM6328_IRQ_OHCI>;
phys = <&usbh 0>;
phy-names = "usb";
status = "disabled";
};
usbh: usb-phy@10002700 {
compatible = "brcm,bcm6328-usbh-phy";
reg = <0x10002700 0x38>;
#phy-cells = <1>;
clocks = <&periph_clk BCM6328_CLK_USBH>;
clock-names = "usbh";
power-domains = <&periph_pwr BCM6328_POWER_DOMAIN_USBH>;
resets = <&periph_rst BCM6328_RST_USBH>;
status = "disabled";
};
ethernet: ethernet@1000d800 {
compatible = "brcm,bcm6328-enetsw";
reg = <0x1000d800 0x80>,
<0x1000da00 0x80>,
<0x1000dc00 0x80>;
reg-names = "dma",
"dma-channels",
"dma-sram";
interrupt-parent = <&periph_intc>;
interrupts = <BCM6328_IRQ_ENETSW_RX_DMA0>,
<BCM6328_IRQ_ENETSW_TX_DMA0>;
interrupt-names = "rx",
"tx";
clocks = <&periph_clk BCM6328_CLK_ROBOSW>;
resets = <&periph_rst BCM6328_RST_ENETSW>,
<&periph_rst BCM6328_RST_EPHY>;
power-domains = <&periph_pwr BCM6328_POWER_DOMAIN_ROBOSW>,
<&periph_pwr BCM6328_POWER_DOMAIN_EPHY>;
dma-rx = <0>;
dma-tx = <1>;
status = "disabled";
};
switch0: switch@10e00000 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "brcm,bcm6328-switch";
reg = <0x10e00000 0x8000>;
big-endian;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@8 {
reg = <8>;
phy-mode = "internal";
ethernet = <&ethernet>;
fixed-link {
speed = <1000>;
full-duplex;
};
};
};
};
mdio: mdio@10e000b0 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "brcm,bcm6368-mdio-mux";
reg = <0x10e000b0 0x8>;
mdio_int: mdio@0 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0>;
phy1: ethernet-phy@1 {
compatible = "ethernet-phy-ieee802.3-c22";
reg = <1>;
};
phy2: ethernet-phy@2 {
compatible = "ethernet-phy-ieee802.3-c22";
reg = <2>;
};
phy3: ethernet-phy@3 {
compatible = "ethernet-phy-ieee802.3-c22";
reg = <3>;
};
phy4: ethernet-phy@4 {
compatible = "ethernet-phy-ieee802.3-c22";
reg = <4>;
};
};
mdio_ext: mdio@1 {
#address-cells = <1>;
#size-cells = <0>;
reg = <1>;
};
};
pcie: pcie@10e40000 {
compatible = "brcm,bcm6328-pcie";
reg = <0x10e40000 0x10000>;
#address-cells = <3>;
#size-cells = <2>;
device_type = "pci";
bus-range = <0x00 0x01>;
ranges = <0x2000000 0 0x10f00000 0x10f00000 0 0x100000>;
linux,pci-probe-only = <1>;
interrupt-parent = <&periph_intc>;
interrupts = <BCM6328_IRQ_PCIE_RC>;
clocks = <&periph_clk BCM6328_CLK_PCIE>;
clock-names = "pcie";
resets = <&periph_rst BCM6328_RST_PCIE>,
<&periph_rst BCM6328_RST_PCIE_EXT>,
<&periph_rst BCM6328_RST_PCIE_CORE>,
<&periph_rst BCM6328_RST_PCIE_HARD>;
reset-names = "pcie",
"pcie-ext",
"pcie-core",
"pcie-hard";
power-domains = <&periph_pwr BCM6328_POWER_DOMAIN_PCIE>;
brcm,serdes = <&serdes_cntl>;
status = "disabled";
};
};
};