mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-26 19:15:25 +07:00
55c7c06210
The bus is virtual and devices have to inherit their DMA constraints
from the underlying interconnect. So add an empty dma-ranges property to
the bus node, implying the firmware bus' DMA constraints are identical to
its parent's.
Fixes: 7dbe8c62ce ("ARM: dts: Add minimal Raspberry Pi 4 support")
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
79 lines
1.3 KiB
Plaintext
79 lines
1.3 KiB
Plaintext
#include <dt-bindings/power/raspberrypi-power.h>
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/ {
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leds {
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compatible = "gpio-leds";
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act {
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label = "ACT";
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default-state = "keep";
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linux,default-trigger = "heartbeat";
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};
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};
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soc {
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firmware: firmware {
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compatible = "raspberrypi,bcm2835-firmware", "simple-bus";
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mboxes = <&mailbox>;
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dma-ranges;
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};
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power: power {
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compatible = "raspberrypi,bcm2835-power";
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firmware = <&firmware>;
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#power-domain-cells = <1>;
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};
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vchiq: mailbox@7e00b840 {
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compatible = "brcm,bcm2835-vchiq";
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reg = <0x7e00b840 0x3c>;
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interrupts = <0 2>;
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};
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};
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};
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&gpio {
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pinctrl-names = "default";
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gpioout: gpioout {
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brcm,pins = <6>;
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brcm,function = <BCM2835_FSEL_GPIO_OUT>;
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};
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alt0: alt0 {
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brcm,pins = <4 5 7 8 9 10 11>;
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brcm,function = <BCM2835_FSEL_ALT0>;
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};
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};
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&i2c0 {
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pinctrl-names = "default";
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pinctrl-0 = <&i2c0_gpio0>;
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status = "okay";
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clock-frequency = <100000>;
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};
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&i2c1 {
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pinctrl-names = "default";
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pinctrl-0 = <&i2c1_gpio2>;
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status = "okay";
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clock-frequency = <100000>;
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};
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&usb {
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power-domains = <&power RPI_POWER_DOMAIN_USB>;
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};
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&vec {
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power-domains = <&power RPI_POWER_DOMAIN_VEC>;
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status = "okay";
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};
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&dsi0 {
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power-domains = <&power RPI_POWER_DOMAIN_DSI0>;
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};
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&dsi1 {
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power-domains = <&power RPI_POWER_DOMAIN_DSI1>;
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};
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