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 87BCAC433FE for ; Tue, 15 Feb 2022 15:36:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240571AbiBOPg3 (ORCPT ); Tue, 15 Feb 2022 10:36:29 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:43746 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240627AbiBOPeq (ORCPT ); Tue, 15 Feb 2022 10:34:46 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CF94FC0857; Tue, 15 Feb 2022 07:30:44 -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 ams.source.kernel.org (Postfix) with ESMTPS id 763C9B8185B; Tue, 15 Feb 2022 15:30:44 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5BD97C340F2; Tue, 15 Feb 2022 15:30:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1644939043; bh=Pds4lWi9Q0Fs6QHw+9jNqs5hWYaOcitN9MmKN1nehOM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=oaC++Y963NOaTPrWN+/oOL7h8I6OLIt/yxtzLXkzbcq87r1uXJeroqdrMZR8h26vC rkNs6cCRCIV4ZeSme+77XXF+Gt9EiGwM55+z6boP/vUv+89NoCyT/9HAup/elSn/kc UAvwKZXV7KP6psxg3R/A+PKm5r6XmDAGzL5iPnwn0ZVJwWIjaM5XgO6UjYSjm5voMJ Wo6LEjysN+7UAb/WMbo/qfHF3kdaU0+p5h6oyrl1CQF8tm4wBza3/xUjVlDd8SeGbS 4UxplBsAMdDLNuxzN9cPWGcVkeC2XgZ5DJT2nc33dq3q25jymaiDo9E+m0LijIgy4U oBBcldXxSrwzw== 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 5.4 03/17] usb: usb251xb: add boost-up property support Date: Tue, 15 Feb 2022 10:30:23 -0500 Message-Id: <20220215153037.581579-3-sashal@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220215153037.581579-1-sashal@kernel.org> References: <20220215153037.581579-1-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: linux-kernel@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 6ca9111d150a3..18d228b82e97f 100644 --- a/drivers/usb/misc/usb251xb.c +++ b/drivers/usb/misc/usb251xb.c @@ -539,6 +539,9 @@ 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)); @@ -580,7 +583,6 @@ 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_map12 = USB251XB_DEF_PORT_MAP_12; -- 2.34.1