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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 94330C4167B for ; Tue, 15 Feb 2022 15:37:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240769AbiBOPhw (ORCPT ); Tue, 15 Feb 2022 10:37:52 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:46196 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240714AbiBOPf1 (ORCPT ); Tue, 15 Feb 2022 10:35:27 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D5BE0C12C7; Tue, 15 Feb 2022 07:31:09 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 7282E615FD; Tue, 15 Feb 2022 15:31:09 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id F2883C340F2; Tue, 15 Feb 2022 15:31:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1644939068; bh=LLlU9Yz0qJd6M5GUEcjm4rSHGKVK6e1eS2D9+IWEWIg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tSW52LtcdnxtdwX+2+8Q/Ku/hsgId3rQxCoKQUn9LKzV2FcF2Peu20wfQlTHAddD2 8SwllK5Oc79/pI65y3OD3qGU5bo3yh0A43Uumol8xND0InrVJ7Xo/Bba8RQhWB4byL 6+Cjb/ETrbnG85vM0y8ztDeTig7QlPWG5c3FNzdABNkQj1ml28Wf0kVuPPnop6YdAH RhZds3SPBoYVE/mUv2Z+Ac0VPs82ufBfQzuIizRYKCfbs0Lt+5ABkyXHkE/v45zA+M z98hm59rSdx7wAoW2iellA2mKp2uWdp350w/AEK+ktVbTOjIvgA+vvN5jJUozJVf+3 kOVIyMGzQAPhA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Tommaso Merciai , Richard Leitner , Greg Kroah-Hartman , Sasha Levin , richard.leitner@skidata.com, linux-usb@vger.kernel.org Subject: [PATCH AUTOSEL 4.19 02/11] usb: usb251xb: add boost-up property support Date: Tue, 15 Feb 2022 10:30:55 -0500 Message-Id: <20220215153104.581786-2-sashal@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220215153104.581786-1-sashal@kernel.org> References: <20220215153104.581786-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Tommaso Merciai [ Upstream commit 5c2b9c61ae5d8ad0a196d33b66ce44543be22281 ] Add support for boost-up register of usb251xb hub. boost-up property control USB electrical drive strength This register can be set: - Normal mode -> 0x00 - Low -> 0x01 - Medium -> 0x10 - High -> 0x11 (Normal Default) References: - http://www.mouser.com/catalog/specsheets/2514.pdf p29 Reviewed-by: Richard Leitner Signed-off-by: Tommaso Merciai Link: https://lore.kernel.org/r/20220128181713.96856-1-tomm.merciai@gmail.com Signed-off-by: Greg Kroah-Hartman Signed-off-by: Sasha Levin --- drivers/usb/misc/usb251xb.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/usb/misc/usb251xb.c b/drivers/usb/misc/usb251xb.c index 5f7734c729b1d..8444b92f9737f 100644 --- a/drivers/usb/misc/usb251xb.c +++ b/drivers/usb/misc/usb251xb.c @@ -510,6 +510,9 @@ static int usb251xb_get_ofdata(struct usb251xb *hub, if (of_property_read_u16_array(np, "language-id", &hub->lang_id, 1)) hub->lang_id = USB251XB_DEF_LANGUAGE_ID; + if (of_property_read_u8(np, "boost-up", &hub->boost_up)) + hub->boost_up = USB251XB_DEF_BOOST_UP; + cproperty_char = of_get_property(np, "manufacturer", NULL); strlcpy(str, cproperty_char ? : USB251XB_DEF_MANUFACTURER_STRING, sizeof(str)); @@ -543,7 +546,6 @@ static int usb251xb_get_ofdata(struct usb251xb *hub, * may be as soon as needed. */ hub->bat_charge_en = USB251XB_DEF_BATTERY_CHARGING_ENABLE; - hub->boost_up = USB251XB_DEF_BOOST_UP; hub->boost_57 = USB251XB_DEF_BOOST_57; hub->boost_14 = USB251XB_DEF_BOOST_14; hub->port_swap = USB251XB_DEF_PORT_SWAP; -- 2.34.1