From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2E75FC10F05 for ; Fri, 29 Mar 2019 09:34:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E746020643 for ; Fri, 29 Mar 2019 09:34:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=bgdev-pl.20150623.gappssmtp.com header.i=@bgdev-pl.20150623.gappssmtp.com header.b="iXnzMUAb" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728874AbfC2Jd7 (ORCPT ); Fri, 29 Mar 2019 05:33:59 -0400 Received: from mail-wr1-f66.google.com ([209.85.221.66]:43550 "EHLO mail-wr1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728818AbfC2Jdu (ORCPT ); Fri, 29 Mar 2019 05:33:50 -0400 Received: by mail-wr1-f66.google.com with SMTP id k17so1685036wrx.10 for ; Fri, 29 Mar 2019 02:33:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bgdev-pl.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=LbCGKRK2X1xPLdacL1xB8HrW5AVjZ0KwD0ifnHHdo+g=; b=iXnzMUAbcdao3LV0SCIWLlFt13jR8QGk+hMydpXfSkXJxiCsmrH8Mwys7RmZd8DPPg U8UdLbiJbouQI+10MCIO0al7cvmezfM+euBlKqPg5Iz+EemT8qvo0OuXJPsa6LyEUHrY JEN0GyEVwstJJxTWyuwys8W9ZCY6ai8JgeyJOWYlfgAV0HJFXpNMG8hHe4VOTMnqg+Oc Pa3dpsYguhAPCzmQaURjD/JrCZRxwrpf6BeyLpI7NVyP+c6xj5j9AMZm0hf32eI73w/d dqZxKPeFbYA6Bg9OxrLuyHmj9bfGFUbfjSF8OCc3zmX0YRWcKS3eZNm/yH/ae6g3Df+y oLYQ== 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:mime-version:content-transfer-encoding; bh=LbCGKRK2X1xPLdacL1xB8HrW5AVjZ0KwD0ifnHHdo+g=; b=Who755nSg5WpMpuu7ER2mjAAbtdQztARVG3EGcgDYuS4FIU6oXim+bEYUkavlWLx0j WBB6MY04tsKGDGo+/eT9YqeEJDM+7bqJo9VBqK1mVGHNBEU7gHWBInoBdBG+lX8g+PUX 4tquW/BUYPDmehMUvViWkVobT3LI06BKIrq8+lkBRiqysV/HhQuRYLgpcrroIc+Y6gcS 4Q6o3SJ8ByexBbGwGURn2IIYy/0C9VHImI8fhqXTmPoBhqmwullyH9pnByCRXAJ/lCof wLZ4o6oPMrJZWG08r7/7Run+QEOk7icsVbIyyze3DjpT1ifzYDmM2sXGlu+uQ/1ikbgR K/aw== X-Gm-Message-State: APjAAAUKeWuuBOXXp8vFRw0Zy3q8YB6aDOZVE8vNJNxLypNQvXb4TVt7 BIyDlFB6iijdp4+Qkzt3Jsl5rw== X-Google-Smtp-Source: APXvYqyQR9UvO6TWHtcUrh4IiHTJ7pi8WetsR42Ox4VYCAjcb/5UecHqkFGawyhYmd0frxyujftF8A== X-Received: by 2002:adf:cc85:: with SMTP id p5mr9510456wrj.101.1553852028108; Fri, 29 Mar 2019 02:33:48 -0700 (PDT) Received: from localhost.localdomain (aputeaux-684-1-29-77.w90-86.abo.wanadoo.fr. [90.86.254.77]) by smtp.gmail.com with ESMTPSA id s12sm1957125wmj.42.2019.03.29.02.33.46 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 29 Mar 2019 02:33:47 -0700 (PDT) From: Bartosz Golaszewski To: Sekhar Nori , Kevin Hilman , Alan Stern , Greg Kroah-Hartman Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org, Bartosz Golaszewski Subject: [PATCH v2 5/6] ARM: davinci: da830-evm: add a fixed regulator for ohci-da8xx Date: Fri, 29 Mar 2019 10:33:33 +0100 Message-Id: <20190329093334.3885-6-brgl@bgdev.pl> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190329093334.3885-1-brgl@bgdev.pl> References: <20190329093334.3885-1-brgl@bgdev.pl> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Bartosz Golaszewski Instead of directly using the vbus GPIO we should model it as a fixed regulator. Add all necessary fix-ups for the regulator to be registered and configure the vbus GPIO as its enable pin. Signed-off-by: Bartosz Golaszewski --- arch/arm/mach-davinci/board-da830-evm.c | 49 +++++++++++++++++++++++-- 1 file changed, 46 insertions(+), 3 deletions(-) diff --git a/arch/arm/mach-davinci/board-da830-evm.c b/arch/arm/mach-davinci/board-da830-evm.c index e3d74e43c47d..6caf50bb92c9 100644 --- a/arch/arm/mach-davinci/board-da830-evm.c +++ b/arch/arm/mach-davinci/board-da830-evm.c @@ -29,6 +29,7 @@ #include #include #include +#include #include #include @@ -53,15 +54,50 @@ static const short da830_evm_usb11_pins[] = { -1 }; -static struct gpiod_lookup_table da830_evm_usb_gpio_lookup = { +static struct regulator_consumer_supply da830_evm_usb_supplies[] = { + REGULATOR_SUPPLY("vbus", NULL), +}; + +static struct regulator_init_data da830_evm_usb_vbus_data = { + .consumer_supplies = da830_evm_usb_supplies, + .num_consumer_supplies = ARRAY_SIZE(da830_evm_usb_supplies), +}; + +static struct fixed_voltage_config da830_evm_usb_vbus = { + .supply_name = "vbus", + .microvolts = 33000000, + .init_data = &da830_evm_usb_vbus_data, +}; + +static struct platform_device da830_evm_usb_vbus_device = { + .name = "reg-fixed-voltage", + .id = 1, + .dev = { + .platform_data = &da830_evm_usb_vbus, + }, +}; + +static struct gpiod_lookup_table da830_evm_usb_oc_gpio_lookup = { .dev_id = "ohci-da8xx", .table = { - GPIO_LOOKUP("davinci_gpio", ON_BD_USB_DRV, "vbus", 0), GPIO_LOOKUP("davinci_gpio", ON_BD_USB_OVC, "oc", 0), { } }, }; +static struct gpiod_lookup_table da830_evm_usb_vbus_gpio_lookup = { + .dev_id = "reg-fixed-voltage.1", + .table = { + GPIO_LOOKUP("davinci_gpio", ON_BD_USB_DRV, "vbus", 0), + { } + }, +}; + +static struct gpiod_lookup_table *da830_evm_usb_gpio_lookups[] = { + &da830_evm_usb_oc_gpio_lookup, + &da830_evm_usb_vbus_gpio_lookup, +}; + static struct da8xx_ohci_root_hub da830_evm_usb11_pdata = { /* TPS2065 switch @ 5V */ .potpgt = (3 + 1) / 2, /* 3 ms max */ @@ -76,6 +112,9 @@ static __init void da830_evm_usb_init(void) pr_warn("%s: USB PHY CLK registration failed: %d\n", __func__, ret); + gpiod_add_lookup_tables(da830_evm_usb_gpio_lookups, + ARRAY_SIZE(da830_evm_usb_gpio_lookups)); + ret = da8xx_register_usb_phy(); if (ret) pr_warn("%s: USB PHY registration failed: %d\n", @@ -101,7 +140,11 @@ static __init void da830_evm_usb_init(void) return; } - gpiod_add_lookup_table(&da830_evm_usb_gpio_lookup); + ret = platform_device_register(&da830_evm_usb_vbus_device); + if (ret) { + pr_warn("%s: Unable to register the vbus supply\n", __func__); + return; + } ret = da8xx_register_usb11(&da830_evm_usb11_pdata); if (ret) -- 2.21.0