From: Roger Quadros <rogerq@ti.com>
To: Chunfeng Yun <chunfeng.yun@mediatek.com>,
Mathias Nyman <mathias.nyman@intel.com>
Cc: Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
Felipe Balbi <balbi@ti.com>,
Sascha Hauer <s.hauer@pengutronix.de>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-usb@vger.kernel.org>, <linux-mediatek@lists.infradead.org>
Subject: Re: [PATCH v2 2/5] dt-bindings: Add a binding for Mediatek xHCI host controller
Date: Fri, 10 Jul 2015 11:31:03 +0300 [thread overview]
Message-ID: <559F82C7.5010202@ti.com> (raw)
In-Reply-To: <1436348468-4126-3-git-send-email-chunfeng.yun@mediatek.com>
Hi,
On 08/07/15 12:41, Chunfeng Yun wrote:
> add a DT binding documentation of xHCI host controller for the
> MT8173 SoC from Mediatek.
>
> Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
> ---
> .../devicetree/bindings/usb/mt8173-xhci.txt | 27 ++++++++++++++++++++++
> 1 file changed, 27 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/usb/mt8173-xhci.txt
>
> diff --git a/Documentation/devicetree/bindings/usb/mt8173-xhci.txt b/Documentation/devicetree/bindings/usb/mt8173-xhci.txt
> new file mode 100644
> index 0000000..94cec94
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/usb/mt8173-xhci.txt
> @@ -0,0 +1,27 @@
> +MT65XX xhci
> +
> +The device node for Mediatek SOC usb3.0 host controller
> +
> +Required properties:
> + - compatible : supports "mediatek,mt8173-xhci"
> + - reg : Offset and length of registers
> + - interrupts : Interrupt mode, number and trigger mode
> + - reg-vusb33-supply: regulator of usb avdd3.3v
> + - reg-vbus-supply : regulator of vbus;
General trend is to use <supply-name>-supply.
We already know it is a regulator so no need to add "reg-"
So those two can be
vusb33-supply:
vbus-supply:
> + - usb-phy : the phy that xhci will bind
> + - usb3-lpm-capable: supports USB3 LPM
> + - clocks : must support all clocks that xhci needs
> + - clock-names: should be "sys_mac" for sys and mac clocks
> +
> +Example:
> +usb: usb30@11270000 {
> + compatible = "mediatek,mt8173-xhci";
> + reg = <0 0x11270000 0 0x1000>;
> + interrupts = <GIC_SPI 115 IRQ_TYPE_LEVEL_LOW>;
> + reg-vusb33-supply = <&mt6397_vusb_reg>;
> + reg-vbus-supply = <&usb_p1_vbus>;
> + usb-phy = <&u3phy>;
> + usb3-lpm-capable;
> + clocks = <&topckgen CLK_TOP_USB30_SEL>;
> + clock-names = "sys_mac";
> +};
>
cheers,
-roger
next prev parent reply other threads:[~2015-07-10 8:31 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-08 9:41 [PATCH v2 0/5] Mediatek xHCI support Chunfeng Yun
2015-07-08 9:41 ` [PATCH v2 1/5] dt-bindings: Add usb3.0 phy binding for MT65xx SoCs Chunfeng Yun
2015-07-10 5:10 ` Sascha Hauer
2015-07-14 6:19 ` chunfeng yun
2015-07-14 7:45 ` Sascha Hauer
2015-07-15 12:33 ` chunfeng yun
2015-07-08 9:41 ` [PATCH v2 2/5] dt-bindings: Add a binding for Mediatek xHCI host controller Chunfeng Yun
2015-07-10 8:31 ` Roger Quadros [this message]
2015-07-14 2:36 ` chunfeng yun
2015-07-14 2:50 ` chunfeng yun
2015-07-20 14:24 ` chunfeng yun
2015-07-08 9:41 ` [PATCH v2 3/5] usb: phy: add usb3.0 phy driver for mt65xx SoCs Chunfeng Yun
2015-07-10 6:42 ` Sascha Hauer
2015-07-20 15:41 ` chunfeng yun
2015-07-08 9:41 ` [PATCH v2 4/5] xhci: mediatek: support MTK xHCI host controller Chunfeng Yun
2015-07-13 14:52 ` John Crispin
2015-07-20 14:51 ` chunfeng yun
2015-07-08 9:41 ` [PATCH v2 5/5] arm64: dts: mediatek: add xHCI & usb phy for mt8173 Chunfeng Yun
2015-07-14 10:12 ` Daniel Kurtz
2015-07-20 14:39 ` chunfeng yun
2015-07-20 14:51 ` Yingjoe Chen
2015-07-20 14:59 ` Daniel Kurtz
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