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author | Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> | 2018-09-11 17:47:04 +0900 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-20 13:16:14 +0200 |
commit | 8e0d368a59bf87efa5ee4daea142527d01447864 (patch) | |
tree | 2aa8828b42fa0d10bd6fa9f96c3a314ab46e79b9 | |
parent | f181dbb4824130e84f46e5be5b49cf6456f96683 (diff) | |
download | blackbird-op-linux-8e0d368a59bf87efa5ee4daea142527d01447864.tar.gz blackbird-op-linux-8e0d368a59bf87efa5ee4daea142527d01447864.zip |
dt-bindings: usb: renesas_usbhs: add clock-names property
R-Car Gen3 needs to enable clocks of both host and peripheral.
Otherwise, other side device cannot work correctly. So, this patch
adds a property of clock-names for R-Car Gen3 as an optional.
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | Documentation/devicetree/bindings/usb/renesas_usbhs.txt | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/usb/renesas_usbhs.txt b/Documentation/devicetree/bindings/usb/renesas_usbhs.txt index 087140a4a49b..15fb3b3c1ac0 100644 --- a/Documentation/devicetree/bindings/usb/renesas_usbhs.txt +++ b/Documentation/devicetree/bindings/usb/renesas_usbhs.txt @@ -26,7 +26,11 @@ Required properties: - reg: Base address and length of the register for the USBHS - interrupts: Interrupt specifier for the USBHS - - clocks: A list of phandle + clock specifier pairs + - clocks: A list of phandle + clock specifier pairs. + - In case of "renesas,rcar-gen3-usbhs", two clocks are required. + First clock should be peripheral and second one should be host. + - In case of except above, one clock is required. First clock + should be peripheral. Optional properties: - renesas,buswait: Integer to use BUSWAIT register |