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dt-bindings: usb: samsung,exynos-dwc3: allow unit address in DTS

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The Samsung Exynos SoC USB 3.0 DWC3 Controller is a simple wrapper of
actual DWC3 Controller device node.  It handles necessary Samsung
Exynos-specific resources (regulators, clocks), but does not have its
own MMIO address space.

However neither simple-bus bindings nor dtc W=1 accept device nodes in
soc@ node which do not have unit address.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230127211748.260718-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Krzysztof Kozlowski 2023-01-27 22:17:48 +01:00 committed by Greg Kroah-Hartman
parent 21ef9c91f0
commit d4f6b987f3
1 changed files with 4 additions and 4 deletions
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8
Documentation/devicetree/bindings/usb/samsung,exynos-dwc3.yaml
View File

@ -108,19 +108,19 @@ examples:
#include <dt-bindings/clock/exynos5420.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
usb {
usb@12000000 {
compatible = "samsung,exynos5250-dwusb3";
#address-cells = <1>;
#size-cells = <1>;
ranges;
ranges = <0x0 0x12000000 0x10000>;
clocks = <&clock CLK_USBD300>;
clock-names = "usbdrd30";
vdd33-supply = <&ldo9_reg>;
vdd10-supply = <&ldo11_reg>;
usb@12000000 {
usb@0 {
compatible = "snps,dwc3";
reg = <0x12000000 0x10000>;
reg = <0x0 0x10000>;
interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>;
phys = <&usbdrd_phy0 0>, <&usbdrd_phy0 1>;
phy-names = "usb2-phy", "usb3-phy";