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

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Date:   Mon, 10 Feb 2020 15:04:16 +0100
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Kukjin Kim <kgene@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        linux-usb@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Anand Moon <linux.amoon@...il.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Felipe Balbi <balbi@...nel.org>
Subject: [PATCH] dt-bindings: usb: exynos-usb: Document clock names for DWC3 bindings

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

Signed-off-by: Krzysztof Kozlowski <krzk@...nel.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