openwrt/target/linux/bmips/dts/bcm6358.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

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8.4 KiB
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// SPDX-License-Identifier: GPL-2.0-or-later
/dts-v1/;
#include <dt-bindings/clock/bcm6358-clock.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/bcm6358-interrupt-controller.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/reset/bcm6358-reset.h>
/ {
#address-cells = <1>;
#size-cells = <1>;
compatible = "brcm,bcm6358";
aliases {
pflash = &pflash;
pinctrl = &pinctrl;
serial0 = &uart0;
serial1 = &uart1;
spi0 = &lsspi;
};
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";
};
};
cpus {
#address-cells = <1>;
#size-cells = <0>;
mips-hpt-frequency = <150000000>;
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>;
};
pflash: nor@1e000000 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "cfi-flash";
reg = <0x1e000000 0x2000000>;
bank-width = <2>;
status = "disabled";
};
ubus {
#address-cells = <1>;
#size-cells = <1>;
compatible = "simple-bus";
ranges;
periph_clk: clock-controller@fffe0004 {
compatible = "brcm,bcm6358-clocks";
reg = <0xfffe0004 0x4>;
#clock-cells = <1>;
};
pll_cntl: syscon@fffe0008 {
compatible = "syscon", "simple-mfd";
reg = <0xfffe0008 0x4>;
native-endian;
syscon-reboot {
compatible = "syscon-reboot";
offset = <0x0>;
mask = <0x1>;
};
};
periph_intc: interrupt-controller@fffe000c {
#address-cells = <1>;
compatible = "brcm,bcm6345-l1-intc";
reg = <0xfffe000c 0x8>,
<0xfffe0038 0x8>;
interrupt-controller;
#interrupt-cells = <1>;
interrupt-parent = <&cpu_intc>;
interrupts = <2>, <3>;
};
ext_intc0: interrupt-controller@fffe0014 {
#address-cells = <1>;
compatible = "brcm,bcm6345-ext-intc";
reg = <0xfffe0014 0x4>;
interrupt-controller;
#interrupt-cells = <2>;
interrupt-parent = <&periph_intc>;
interrupts = <BCM6358_IRQ_EXT0>,
<BCM6358_IRQ_EXT1>,
<BCM6358_IRQ_EXT2>,
<BCM6358_IRQ_EXT3>;
};
ext_intc1: interrupt-controller@fffe001c {
#address-cells = <1>;
compatible = "brcm,bcm6345-ext-intc";
reg = <0xfffe001c 0x4>;
interrupt-controller;
#interrupt-cells = <2>;
interrupt-parent = <&periph_intc>;
interrupts = <BCM6358_IRQ_EXT4>,
<BCM6358_IRQ_EXT5>;
};
periph_rst: reset-controller@fffe0034 {
compatible = "brcm,bcm6345-reset";
reg = <0xfffe0034 0x4>;
#reset-cells = <1>;
};
wdt: watchdog@fffe005c {
compatible = "brcm,bcm7038-wdt";
reg = <0xfffe005c 0xc>;
clocks = <&periph_osc>;
timeout-sec = <30>;
};
gpio_cntl: syscon@fffe0080 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "brcm,bcm6358-gpio-sysctl",
"syscon", "simple-mfd";
reg = <0xfffe0080 0x50>;
ranges = <0 0xfffe0080 0x80>;
native-endian;
gpio: gpio@0 {
compatible = "brcm,bcm6358-gpio";
reg-names = "dirout", "dat";
reg = <0x0 0x8>, <0x8 0x8>;
gpio-controller;
gpio-ranges = <&pinctrl 0 0 40>;
#gpio-cells = <2>;
};
pinctrl: pinctrl@18 {
compatible = "brcm,bcm6358-pinctrl";
reg = <0x18 0x4>;
pinctrl_ebi_cs: ebi_cs-pins {
function = "ebi_cs";
groups = "ebi_cs_grp";
};
pinctrl_uart1: uart1-pins {
function = "uart1";
groups = "uart1_grp";
};
pinctrl_serial_led: serial_led-pins {
function = "serial_led";
groups = "serial_led_grp";
};
pinctrl_legacy_led: legacy_led-pins {
function = "legacy_led";
groups = "legacy_led_grp";
};
pinctrl_led: led-pins {
function = "led";
groups = "led_grp";
};
pinctrl_spi_cs_23: spi_cs-pins {
function = "spi_cs";
groups = "spi_cs_grp";
};
pinctrl_utopia: utopia-pins {
function = "utopia";
groups = "utopia_grp";
};
pinctrl_pwm_syn_clk: pwm_syn_clk-pins {
function = "pwm_syn_clk";
groups = "pwm_syn_clk_grp";
};
pinctrl_sys_irq: sys_irq-pins {
function = "sys_irq";
groups = "sys_irq_grp";
};
};
};
leds: led-controller@fffe00d0 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "brcm,bcm6358-leds";
reg = <0xfffe00d0 0x8>;
status = "disabled";
};
uart0: serial@fffe0100 {
compatible = "brcm,bcm6345-uart";
reg = <0xfffe0100 0x18>;
interrupt-parent = <&periph_intc>;
interrupts = <BCM6358_IRQ_UART0>;
clocks = <&periph_osc>;
clock-names = "periph";
status = "disabled";
};
uart1: serial@fffe0120 {
compatible = "brcm,bcm6345-uart";
reg = <0xfffe0120 0x18>;
interrupt-parent = <&periph_intc>;
interrupts = <BCM6358_IRQ_UART1>;
clocks = <&periph_osc>;
clock-names = "periph";
status = "disabled";
};
lsspi: spi@fffe0800 {
#address-cells = <1>;
#size-cells = <0>;
compatible = "brcm,bcm6358-spi";
reg = <0xfffe0800 0x70c>;
interrupt-parent = <&periph_intc>;
interrupts = <BCM6358_IRQ_SPI>;
clocks = <&periph_clk BCM6358_CLK_SPI>;
clock-names = "spi";
resets = <&periph_rst BCM6358_RST_SPI>;
status = "disabled";
};
pci: pci@fffe1000 {
compatible = "brcm,bcm6348-pci";
reg = <0xfffe1000 0x200>;
#address-cells = <3>;
#size-cells = <2>;
device_type = "pci";
bus-range = <0x00 0x01>;
ranges = <0x2000000 0 0x30000000 0x30000000 0 0x8000000>,
<0x1000000 0 0x08000000 0x08000000 0 0x0010000>;
linux,pci-probe-only = <1>;
interrupt-parent = <&periph_intc>;
interrupts = <BCM6358_IRQ_MPI>;
resets = <&periph_rst BCM6358_RST_MPI>;
reset-names = "pci";
brcm,remap;
status = "disabled";
};
ehci: usb@fffe1300 {
compatible = "brcm,bcm6358-ehci", "generic-ehci";
reg = <0xfffe1300 0x100>;
big-endian;
spurious-oc;
interrupt-parent = <&periph_intc>;
interrupts = <BCM6358_IRQ_EHCI>;
phys = <&usbh 0>;
phy-names = "usb";
status = "disabled";
};
ohci: usb@fffe1400 {
compatible = "brcm,bcm6358-ohci", "generic-ohci";
reg = <0xfffe1400 0x100>;
big-endian;
no-big-frame-no;
interrupt-parent = <&periph_intc>;
interrupts = <BCM6358_IRQ_OHCI>;
phys = <&usbh 0>;
phy-names = "usb";
status = "disabled";
};
usbh: usb-phy@fffe1500 {
compatible = "brcm,bcm6358-usbh-phy";
reg = <0xfffe1500 0x38>;
#phy-cells = <1>;
resets = <&periph_rst BCM6358_RST_USBH>;
status = "disabled";
};
ethernet0: ethernet@fffe4000 {
compatible = "brcm,bcm6358-emac";
reg = <0xfffe4000 0x2dc>;
clocks = <&periph_clk BCM6358_CLK_ENET0>;
interrupt-parent = <&periph_intc>;
interrupts = <BCM6358_IRQ_EMAC0>,
<BCM6358_IRQ_EMAC0_RX_DMA>,
<BCM6358_IRQ_EMAC0_TX_DMA>;
interrupt-names = "emac",
"rx",
"tx";
brcm,iudma = <&iudma>;
dma-rx = <0>;
dma-tx = <1>;
status = "disabled";
mdio0: mdio {
#address-cells = <1>;
#size-cells = <0>;
};
};
ethernet1: ethernet@fffe4800 {
compatible = "brcm,bcm6358-emac";
reg = <0xfffe4800 0x2dc>;
clocks = <&periph_clk BCM6358_CLK_ENET1>;
interrupt-parent = <&periph_intc>;
interrupts = <BCM6358_IRQ_EMAC1>,
<BCM6358_IRQ_EMAC1_RX_DMA>,
<BCM6358_IRQ_EMAC1_TX_DMA>;
interrupt-names = "emac",
"rx",
"tx";
brcm,iudma = <&iudma>;
brcm,external-mii;
dma-rx = <2>;
dma-tx = <3>;
status = "disabled";
mdio1: mdio {
#address-cells = <1>;
#size-cells = <0>;
};
};
iudma: dma@fffe5000 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "brcm,bcm6358-iudma";
reg = <0xfffe5000 0x24>,
<0xfffe5100 0x80>,
<0xfffe5200 0x80>;
reg-names = "dma",
"dma-channels",
"dma-sram";
dma-channels = <8>;
clocks = <&periph_clk BCM6358_CLK_EMUSB>,
<&periph_clk BCM6358_CLK_USBSU>,
<&periph_clk BCM6358_CLK_EPHY>,
<&periph_clk BCM6358_CLK_ENET>;
resets = <&periph_rst BCM6358_RST_ENET>,
<&periph_rst BCM6358_RST_EPHY>;
status = "disabled";
};
};
};