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Sat, 21 Mar 2020 16:51:38 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas07.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Sat, 21 Mar 2020 16:52:43 +0800 From: Chunfeng Yun To: Simon Glass , Ryder Lee , Marek Vasut , Bin Meng CC: Weijie Gao , GSS_MTK_Uboot_upstream , Jagan Teki , Stefan Roese , Neil Armstrong , Sam Shih , Chunfeng Yun , Frank Wunderlich , Jean-Jacques Hiblot , Alex Marginean , Patrick Delaunay , Lukasz Majewski , AKASHI Takahiro , Anatolij Gustschin , Ye Li , Fabio Estevam , Marcel Ziswiler , Heiko Schocher , Mark Kettenis , Adam Ford , Subject: [PATCH v2 10/10] dt-bindings: usb: mtk-xhci: Add binding for MediaTek xHCI host controller Date: Sat, 21 Mar 2020 16:51:55 +0800 Message-ID: <1584780715-29632-11-git-send-email-chunfeng.yun@mediatek.com> X-Mailer: git-send-email 1.8.1.1.dirty In-Reply-To: <1584780715-29632-1-git-send-email-chunfeng.yun@mediatek.com> References: <1584780715-29632-1-git-send-email-chunfeng.yun@mediatek.com> MIME-Version: 1.0 X-MTK: N X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.30rc1 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.102.2 at phobos.denx.de X-Virus-Status: Clean Add dt-binding for MediaTek xHCI host controller Signed-off-by: Chunfeng Yun --- v2: no changes --- .../usb/mediatek,mtk-xhci.txt | 40 +++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 doc/device-tree-bindings/usb/mediatek,mtk-xhci.txt diff --git a/doc/device-tree-bindings/usb/mediatek,mtk-xhci.txt b/doc/device-tree-bindings/usb/mediatek,mtk-xhci.txt new file mode 100644 index 0000000000..0447468a2d --- /dev/null +++ b/doc/device-tree-bindings/usb/mediatek,mtk-xhci.txt @@ -0,0 +1,40 @@ +MediaTek xHCI + +The device node for USB3 host controller on MediaTek SoCs. + +Required properties: + - compatible : should be "mediatek,mtk-xhci" + - reg : specifies physical base address and size of the registers + - reg-names: should be "mac" for xHCI MAC and "ippc" for IP port control + - power-domains : a phandle to USB power domain node to control USB's + MTCMOS + - vusb33-supply : regulator of USB avdd3.3v + + - clocks : a list of phandle + clock-specifier pairs, one for each + entry in clock-names + - clock-names : must contain + "sys_ck": controller clock used by normal mode, + the following ones are optional: + "ref_ck": reference clock used by low power mode etc, + "mcu_ck": mcu_bus clock for register access, + "dma_ck": dma_bus clock for data transfer by DMA, + "xhci_ck": controller clock + + - phys : list of all the USB PHYs on this HCD + - phy-names: name specifier for the USB PHY + +Optional properties: + - vbus-supply : reference to the VBUS regulator; + +Example: +xhci: usb@1a0c0000 { + compatible = "mediatek,mt7629-xhci", "mediatek,mtk-xhci"; + reg = <0x1a0c0000 0x1000>, <0x1a0c3e00 0x0100>; + reg-names = "mac", "ippc"; + power-domains = <&scpsys MT7629_POWER_DOMAIN_HIF1>; + clocks = <&ssusbsys CLK_SSUSB_SYS_EN>, <&ssusbsys CLK_SSUSB_REF_EN>, + <&ssusbsys CLK_SSUSB_MCU_EN>, <&ssusbsys CLK_SSUSB_DMA_EN>; + clock-names = "sys_ck", "ref_ck", "mcu_ck", "dma_ck"; + phys = <&u2port0 PHY_TYPE_USB2>, <&u3port0 PHY_TYPE_USB3>; + status = "disabled"; +};