[PATCH] dt-bindings: usb: exynos-usb: Document clock names for DWC3 bindings

Krzysztof Kozlowski
2020-02-10T14:04:34Z

The Exynos DWC3 driver expects certain clock names, depending on used
compatible. Document this explicitly in the bindings.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
---
Documentation/devicetree/bindings/usb/exynos-usb.txt | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/usb/exynos-usb.txt b/Documentation/devicetree/bindings/usb/exynos-usb.txt
index 66c394f9e11f..6aae1544f240 100644
--- a/Documentation/devicetree/bindings/usb/exynos-usb.txt
+++ b/Documentation/devicetree/bindings/usb/exynos-usb.txt
@@ -78,7 +78,14 @@ Required properties:
- ranges: allows valid 1:1 translation between child's address space and
parent's address space
- clocks: Clock IDs array as required by the controller.
- - clock-names: names of clocks correseponding to IDs in the clock property
+ - clock-names: Names of clocks corresponding to IDs in the clock property.
+ Following clock names shall be provided for different
+ compatibles:
+ - samsung,exynos5250-dwusb3: "usbdrd30",
+ - samsung,exynos5433-dwusb3: "aclk", "susp_clk", "pipe_pclk",
+ "phyclk",
+ - samsung,exynos7-dwusb3: "usbdrd30", "usbdrd30_susp_clk",
+ "usbdrd30_axius_clk"
- vdd10-supply: 1.0V powr supply
- vdd33-supply: 3.0V/3.3V power supply

--
2.7.4