[PATCH 1/1] usb: samsung: Update Exynos ehci/ohci bindings documentation
From: Sachin Kamat <hidden>
Date: 2013-08-01 09:36:05
Subsystem:
open firmware and flattened device tree bindings, the rest, usb subsystem · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds, Greg Kroah-Hartman
Updated the document as per the latest implementation. While at it also fixed some trivial typos. Signed-off-by: Sachin Kamat <redacted> --- .../devicetree/bindings/usb/exynos-usb.txt | 38 +++++++++++--------- 1 file changed, 21 insertions(+), 17 deletions(-)
diff --git a/Documentation/devicetree/bindings/usb/exynos-usb.txt b/Documentation/devicetree/bindings/usb/exynos-usb.txt
index d967ba1..16a2c0f 100644
--- a/Documentation/devicetree/bindings/usb/exynos-usb.txt
+++ b/Documentation/devicetree/bindings/usb/exynos-usb.txt@@ -5,13 +5,15 @@ The device node has following properties. EHCI Required properties: - - compatible: should be "samsung,exynos4210-ehci" for USB 2.0 - EHCI controller in host mode. - - reg: physical base address of the controller and length of memory mapped + - compatible : should be one of the following for USB 2.0 EHCI controller + in host mode: + (a) "samsung,exynos5440-ehci" for Exynos5440 SoC + (b) "samsung,exynos4210-ehci" for all other Exynos4 and 5 SoCs + - reg : physical base address of the controller and length of memory mapped region. - - interrupts: interrupt number to the cpu. - - clocks: from common clock binding: handle to usb clock. - - clock-names: from common clock binding: Shall be "usbhost". + - interrupts : interrupt number to the CPU. + - clocks : from common clock binding: handle to USB clock. + - clock-names : from common clock binding: Shall be "usbhost". Optional properties: - samsung,vbus-gpio: if present, specifies the GPIO that
@@ -23,7 +25,7 @@ Example: compatible = "samsung,exynos4210-ehci"; reg = <0x12110000 0x100>; interrupts = <0 71 0>; - samsung,vbus-gpio = <&gpx2 6 1 3 3>; + samsung,vbus-gpio = <&gpx2 6 0>; clocks = <&clock 285>; clock-names = "usbhost";
@@ -31,13 +33,15 @@ Example: OHCI Required properties: - - compatible: should be "samsung,exynos4210-ohci" for USB 2.0 - OHCI companion controller in host mode. - - reg: physical base address of the controller and length of memory mapped + - compatible : should be one of the following for USB 2.0 OHCI companion + controller in host mode: + (a) "samsung,exynos5440-ohci" for Exynos5440 SoC + (b) "samsung,exynos4210-ohci" for all other Exynos4 and 5 SoCs + - reg : physical base address of the controller and length of memory mapped region. - - interrupts: interrupt number to the cpu. - - clocks: from common clock binding: handle to usb clock. - - clock-names: from common clock binding: Shall be "usbhost". + - interrupts : interrupt number to the CPU. + - clocks : from common clock binding: handle to USB clock. + - clock-names : from common clock binding: Shall be "usbhost". Example: usb@12120000 {
@@ -51,14 +55,14 @@ Example: DWC3 Required properties: - - compatible: should be "samsung,exynos5250-dwusb3" for USB 3.0 DWC3 + - compatible : should be "samsung,exynos5250-dwusb3" for USB 3.0 DWC3 controller. - #address-cells, #size-cells : should be '1' if the device has sub-nodes with 'reg' property. - - ranges: allows valid 1:1 translation between child's address space and + - 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 + - clocks : Clock IDs array as required by the controller. + - clock-names : names of clocks corresponding to IDs in the clock property Sub-nodes: The dwc3 core should be added as subnode to Exynos dwc3 glue.
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1.7.9.5