From: Philipp Zabel <p.zabel@pengutronix.de>
To: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
Masami Hiramatsu <masami.hiramatsu@linaro.org>,
Jassi Brar <jaswinder.singh@linaro.org>
Subject: Re: [PATCH 1/2] dt-bindings: reset: uniphier: add USB3 controller reset support
Date: Fri, 29 Jun 2018 11:57:46 +0200 [thread overview]
Message-ID: <1530266266.5549.5.camel@pengutronix.de> (raw)
In-Reply-To: <1530259891-18822-2-git-send-email-hayashi.kunihiko@socionext.com>
On Fri, 2018-06-29 at 17:11 +0900, Kunihiko Hayashi wrote:
> Add DT bindings for reset control of USB3 controller implemented in
> UniPhier SoCs.
>
> Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
> ---
> .../devicetree/bindings/reset/uniphier-reset.txt | 45 ++++++++++++++++++++++
> 1 file changed, 45 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/reset/uniphier-reset.txt b/Documentation/devicetree/bindings/reset/uniphier-reset.txt
> index 93efed6..f21d81c 100644
> --- a/Documentation/devicetree/bindings/reset/uniphier-reset.txt
> +++ b/Documentation/devicetree/bindings/reset/uniphier-reset.txt
> @@ -118,3 +118,48 @@ Example:
>
> other nodes ...
> };
> +
> +
> +USB3 controller reset
> +---------------------
> +
> +Required properties:
> +- compatible: Should be
> + "socionext,uniphier-pro4-usb3-reset" - for Pro4 SoC
> + "socionext,uniphier-pxs2-usb3-reset" - for PXs2 SoC
> + "socionext,uniphier-ld20-usb3-reset" - for LD20 SoC
> + "socionext,uniphier-pxs3-usb3-reset" - for PXs3 SoC
> +- #reset-cells: Should be 1.
> +- reg: Specifies offset and length of the register set for the device.
> +- clocks: A list of phandles to the clock gate for USB3 glue layer.
> + According to the clock-names, appropriate clocks are required.
> +- clock-names: Should contain
> + "gio", "link" - for Pro4 SoC
> + "link" - for others
> +- resets: A list of phandles to the reset control for USB3 glue layer.
> + According to the reset-names, appropriate resets are required.
> +- reset-names: Should contain
> + "gio", "link" - for Pro4 SoC
> + "link" - for others
> +
> +Example:
> +
> + usb-glue@65b00000 {
> + compatible = "socionext,uniphier-ld20-dwc3-glue",
> + "simple-mfd";
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges = <0 0x65b00000 0x400>;
> +
> + usb_rst: reset@0 {
> + compatible = "socionext,uniphier-ld20-usb3-reset";
> + reg = <0x0 0x4>;
> + #reset-cells = <1>;
> + clock-names = "link";
> + clocks = <&sys_clk 14>;
> + clock-names = "link";
s/clock/reset/
> + resets = <&sys_rst 14>;
> + };
> +
> + other nodes ...
> + };
regards
Philipp
next prev parent reply other threads:[~2018-06-29 9:57 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-29 8:11 [PATCH 0/2] reset: uniphier: add USB3 controller reset support Kunihiko Hayashi
2018-06-29 8:11 ` [PATCH 1/2] dt-bindings: " Kunihiko Hayashi
2018-06-29 9:57 ` Philipp Zabel [this message]
2018-07-03 23:37 ` Rob Herring
2018-07-04 1:09 ` Kunihiko Hayashi
2018-06-29 8:11 ` [PATCH 2/2] reset: uniphier: add USB3 controller reset control Kunihiko Hayashi
2018-06-29 9:51 ` kbuild test robot
2018-06-29 9:55 ` Philipp Zabel
2018-06-29 10:53 ` Kunihiko Hayashi
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