From patchwork Thu Apr 14 10:32:08 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aswath Govindraju X-Patchwork-Id: 12813298 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9D8CCC433F5 for ; Thu, 14 Apr 2022 10:32:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242320AbiDNKfA (ORCPT ); Thu, 14 Apr 2022 06:35:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40594 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242308AbiDNKe4 (ORCPT ); Thu, 14 Apr 2022 06:34:56 -0400 Received: from fllv0015.ext.ti.com (fllv0015.ext.ti.com [198.47.19.141]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AF94268305; Thu, 14 Apr 2022 03:32:32 -0700 (PDT) Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 23EAWMCE082972; Thu, 14 Apr 2022 05:32:22 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1649932342; bh=2IngA7Gm6mwU2IBQyYuWGzv3GxBoNAtxIT4GL1GVDts=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=hi5S4NmW5Y6+jTqokwgOsOwmocpnEm2e/hPGR1eOTco4x1O9Rnap2NQJfoKK3zpKl sX9rwaz5RFSqHi2FDz5F44TOmZ3NEt25kSwGYHly5oKtrU4SmpPaZNN3zwGe04JWdh +7iSHQHAlfNr+ICIBF9jKqh2oJAmonX8AwAvv/dw= Received: from DFLE112.ent.ti.com (dfle112.ent.ti.com [10.64.6.33]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 23EAWMMo011655 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Thu, 14 Apr 2022 05:32:22 -0500 Received: from DFLE101.ent.ti.com (10.64.6.22) by DFLE112.ent.ti.com (10.64.6.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.14; Thu, 14 Apr 2022 05:32:22 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DFLE101.ent.ti.com (10.64.6.22) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2308.14 via Frontend Transport; Thu, 14 Apr 2022 05:32:22 -0500 Received: from gsaswath-HP-ProBook-640-G5.dal.design.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 23EAWC6X097041; Thu, 14 Apr 2022 05:32:19 -0500 From: Aswath Govindraju CC: Roger Quadros , Vignesh Raghavendra , Kishon Vijay Abraham I , Aswath Govindraju , Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Felipe Balbi , , , Subject: [PATCH v4 1/2] dt-bindings: usb: Add documentation for AM62 USB Wrapper module Date: Thu, 14 Apr 2022 16:02:08 +0530 Message-ID: <20220414103211.16202-2-a-govindraju@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220414103211.16202-1-a-govindraju@ti.com> References: <20220414103211.16202-1-a-govindraju@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Add bindings for the TI's AM62 wrapper module for the Synopsys USBSS-DRD controller. Signed-off-by: Aswath Govindraju Reviewed-by: Rob Herring --- Changes since v3: - As VBUS_VALID interrupt is not being used, removed the interrupts property from the bindings. As there is change in the properties I did not pick the reviewed-by tags from the earlier version of the series. .../devicetree/bindings/usb/ti,am62-usb.yaml | 103 ++++++++++++++++++ 1 file changed, 103 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/ti,am62-usb.yaml diff --git a/Documentation/devicetree/bindings/usb/ti,am62-usb.yaml b/Documentation/devicetree/bindings/usb/ti,am62-usb.yaml new file mode 100644 index 000000000000..d25fc708e32c --- /dev/null +++ b/Documentation/devicetree/bindings/usb/ti,am62-usb.yaml @@ -0,0 +1,103 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/ti,am62-usb.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: TI's AM62 wrapper module for the Synopsys USBSS-DRD controller + +maintainers: + - Aswath Govindraju + +properties: + compatible: + const: ti,am62-usb + + reg: + maxItems: 1 + + ranges: true + + power-domains: + description: + PM domain provider node and an args specifier containing + the USB ISO device id value. See, + Documentation/devicetree/bindings/soc/ti/sci-pm-domain.yaml + maxItems: 1 + + clocks: + description: Clock phandle to usb2_refclk + maxItems: 1 + + clock-names: + items: + - const: ref + + ti,vbus-divider: + description: + Should be present if USB VBUS line is connected to the + VBUS pin of the SoC via a 1/3 voltage divider. + type: boolean + + ti,syscon-phy-pll-refclk: + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + - items: + - description: Phandle to the SYSCON entry + - description: USB phy control register offset within SYSCON + description: + Specifier for conveying frequency of ref clock input, for the + operation of USB2PHY. + + '#address-cells': + const: 2 + + '#size-cells': + const: 2 + +patternProperties: + "^usb@[0-9a-f]+$": + $ref: snps,dwc3.yaml# + description: Required child node + +required: + - compatible + - reg + - power-domains + - clocks + - clock-names + - ti,syscon-phy-pll-refclk + +additionalProperties: false + +examples: + - | + #include + #include + #include + + bus { + #address-cells = <2>; + #size-cells = <2>; + + usbss1: usb@f910000 { + compatible = "ti,am62-usb"; + reg = <0x00 0x0f910000 0x00 0x800>; + clocks = <&k3_clks 162 3>; + clock-names = "ref"; + ti,syscon-phy-pll-refclk = <&wkup_conf 0x4018>; + power-domains = <&k3_pds 179 TI_SCI_PD_EXCLUSIVE>; + #address-cells = <2>; + #size-cells = <2>; + + usb@31100000 { + compatible = "snps,dwc3"; + reg =<0x00 0x31100000 0x00 0x50000>; + interrupts = , /* irq.0 */ + ; /* irq.0 */ + interrupt-names = "host", "peripheral"; + maximum-speed = "high-speed"; + dr_mode = "otg"; + }; + }; + };