From patchwork Fri Oct 9 19:08:38 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alan Cooper X-Patchwork-Id: 11827107 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 10FCB1744 for ; Fri, 9 Oct 2020 19:08:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E3AAC2222C for ; Fri, 9 Oct 2020 19:08:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="iiikoazA" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2388387AbgJITIx (ORCPT ); Fri, 9 Oct 2020 15:08:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40412 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726118AbgJITIv (ORCPT ); Fri, 9 Oct 2020 15:08:51 -0400 Received: from mail-pg1-x541.google.com (mail-pg1-x541.google.com [IPv6:2607:f8b0:4864:20::541]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8638CC0613D2; Fri, 9 Oct 2020 12:08:51 -0700 (PDT) Received: by mail-pg1-x541.google.com with SMTP id y14so7926307pgf.12; Fri, 09 Oct 2020 12:08:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=WZMccl/fSc9Ch0A1iiQRgWO5Br2L8QOy57a18abEHXk=; b=iiikoazAc/u+rJgyAMFx1ZzeTIYrdnmm+A9b0iRz2qK7EW6uwB2yvn8AyfuFBGU487 LQO0zIyp1zIBlGlG+6NliPZvMYVjA4aDlPQdz4JHpdHtD39y9SE8Kokuh7yJS6nKVL4h S5ypTpPqH8C9JhOTPVb6tAuYRLtzCIDWFmZB1vpgTK9tI7BHasrldONSd3vUfyjm1YtR XPIJExZXYZJFaTjjexM0UiXPlkiO73dgwaDeThP7dHT3IIq/dK6FZlK7jnqwWZ0547Wh 6im9ia5vRnHPyRz+klHTGfqpWLd+M+QpHSSp6OnBIx8sAacGgdxxJRVWli5xkSSldJIV I5fQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=WZMccl/fSc9Ch0A1iiQRgWO5Br2L8QOy57a18abEHXk=; b=dfrFjCIRbK8/d9Mc7TCWBWSJP99Oq32aB0LuVCPgd5EZzBpN6jZJzF2EjXoYernn1n x0g/4c6yZtZkIBrzPF0Dvn4WoD1Z1GPFLUSor9DohWqVzSBEqCsatttApXT9WrGmy+QF WAq8188rDLsbDh+eu3taBs/3+665Fx6N3bDdn1WBD8Mee2jiJ+Q79Z6Fz33uER98VTLE MCh2NsX4uFb6t7WprCwZs0WTM19ORt0tFnYjlyJuX74YRR+IfJOCBUGhvK59KqaTV/oR WYKYVWpzZn7kLh12+MRdoBOoJo1RL1A7OBqDjeq9AwNbSAZXW3SPA2VgdjljNdN1WuJ6 5uNA== X-Gm-Message-State: AOAM530a8RBjCvFKm9O4eMfBmgl0fVwDSXVzTZfGMeMcheM3yOl9Xchn vCxPoA5DxaPSG/+YJmCSlqThPn7j1zc= X-Google-Smtp-Source: ABdhPJzB9ySBJEB0vlB1pTiKMs2oUy6kzpC1nvyR/7MYCgt8iU9SelrbyWSXmxTtZHgZH1yO6RuXYg== X-Received: by 2002:a17:90b:3716:: with SMTP id mg22mr6388508pjb.83.1602270530852; Fri, 09 Oct 2020 12:08:50 -0700 (PDT) Received: from stbsrv-and-01.and.broadcom.net ([192.19.231.250]) by smtp.gmail.com with ESMTPSA id o20sm12281043pgh.63.2020.10.09.12.08.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 09 Oct 2020 12:08:50 -0700 (PDT) From: Al Cooper To: linux-kernel@vger.kernel.org Cc: Al Cooper , bcm-kernel-feedback-list@broadcom.com, devicetree@vger.kernel.org, Florian Fainelli , Greg Kroah-Hartman , Krzysztof Kozlowski , linux-arm-kernel@lists.infradead.org, linux-usb@vger.kernel.org, Rob Herring Subject: [PATCH v2 1/2] dt-bindings: Add support for Broadcom USB pin map driver Date: Fri, 9 Oct 2020 15:08:38 -0400 Message-Id: <20201009190839.12612-2-alcooperx@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20201009190839.12612-1-alcooperx@gmail.com> References: <20201009190839.12612-1-alcooperx@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Add DT bindings for the Broadcom USB pin map driver. This driver allows some USB input and output signals to be mapped to any GPIO instead of the normal dedicated pins to/from the XHCI controller. Signed-off-by: Al Cooper --- .../bindings/usb/brcm,usb-pinmap.yaml | 70 +++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/brcm,usb-pinmap.yaml diff --git a/Documentation/devicetree/bindings/usb/brcm,usb-pinmap.yaml b/Documentation/devicetree/bindings/usb/brcm,usb-pinmap.yaml new file mode 100644 index 000000000000..ffa148b9eaa8 --- /dev/null +++ b/Documentation/devicetree/bindings/usb/brcm,usb-pinmap.yaml @@ -0,0 +1,70 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/brcm,usb-pinmap.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom USB pin map Controller Device Tree Bindings + +maintainers: + - Al Cooper + +properties: + compatible: + items: + - const: brcm,usb-pinmap + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + description: Interrupt for signals mirrored to out-gpios. + + in-gpios: + description: Array of one or two GPIO pins used for input signals. + + brcm,in-functions: + $ref: /schemas/types.yaml#/definitions/string-array + description: Array of input signal names, one per gpio in in-gpios. + + brcm,in-masks: + $ref: /schemas/types.yaml#/definitions/uint32-array + description: Array of enable and mask pairs, one per gpio in-gpios. + + out-gpios: + description: Array of one GPIO pin used for output signals. + + brcm,out-functions: + $ref: /schemas/types.yaml#/definitions/string-array + description: Array of output signal names, one per gpio in out-gpios. + + brcm,out-masks: + $ref: /schemas/types.yaml#/definitions/uint32-array + description: Array of enable, value, changed and clear masks, one + per gpio in out-gpios. + +required: + - compatible + - reg + +additionalProperties: false + +dependencies: + in-gpios: [ interrupts ] + +examples: + - | + usb_pinmap: usb-pinmap@22000d0 { + compatible = "brcm,usb-pinmap"; + reg = <0x22000d0 0x4>; + in-gpios = <&gpio 18 0>, <&gpio 19 0>; + brcm,in-functions = "VBUS", "PWRFLT"; + brcm,in-masks = <0x8000 0x40000 0x10000 0x80000>; + out-gpios = <&gpio 20 0>; + brcm,out-functions = "PWRON"; + brcm,out-masks = <0x20000 0x800000 0x400000 0x200000>; + interrupts = <0x0 0xb2 0x4>; + }; + +...