From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751628AbdIPKnv (ORCPT ); Sat, 16 Sep 2017 06:43:51 -0400 Received: from mail-lf0-f68.google.com ([209.85.215.68]:34004 "EHLO mail-lf0-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751278AbdIPKm2 (ORCPT ); Sat, 16 Sep 2017 06:42:28 -0400 X-Google-Smtp-Source: AOwi7QDHKDXc3f7ouxU7qFyzWYX/MKPDpi8HiTkjM5TgBvh2h6iqiqkvSJSeu90fE282l/lTRT0lJQ== From: Serge Semin To: richard.leitner@skidata.com, gregkh@linuxfoundation.org, robh+dt@kernel.org, mark.rutland@arm.com Cc: Sergey.Semin@t-platforms.ru, linux-usb@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Serge Semin Subject: [PATCH 4/9 v2] usb: usb251xb: Add 5,6,7 ports boost settings Date: Sat, 16 Sep 2017 13:42:15 +0300 Message-Id: <20170916104220.3742-5-fancer.lancer@gmail.com> X-Mailer: git-send-email 2.12.0 In-Reply-To: <20170916104220.3742-1-fancer.lancer@gmail.com> References: <20170915233113.17855-1-fancer.lancer@gmail.com> <20170916104220.3742-1-fancer.lancer@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org USB electrical signaling drive strength boost bit is also supported by USB2517 hub. Since it got three addition ports, the designers needed to add one more register for initialization. It turned out to be formerly reserved 0xF7. As before we just initialize it with default zeros. Signed-off-by: Serge Semin --- drivers/usb/misc/usb251xb.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/drivers/usb/misc/usb251xb.c b/drivers/usb/misc/usb251xb.c index 3de0de93b..44fa7d084 100644 --- a/drivers/usb/misc/usb251xb.c +++ b/drivers/usb/misc/usb251xb.c @@ -94,8 +94,10 @@ #define USB251XB_ADDR_BOOST_UP 0xF6 #define USB251XB_DEF_BOOST_UP 0x00 -#define USB251XB_ADDR_BOOST_X 0xF8 -#define USB251XB_DEF_BOOST_X 0x00 +#define USB251XB_ADDR_BOOST_57 0xF7 +#define USB251XB_DEF_BOOST_57 0x00 +#define USB251XB_ADDR_BOOST_14 0xF8 +#define USB251XB_DEF_BOOST_14 0x00 #define USB251XB_ADDR_PORT_SWAP 0xFA #define USB251XB_DEF_PORT_SWAP 0x00 @@ -149,7 +151,8 @@ struct usb251xb { char serial[USB251XB_STRING_BUFSIZE]; u8 bat_charge_en; u8 boost_up; - u8 boost_x; + u8 boost_57; + u8 boost_14; u8 port_swap; u8 port_map12; u8 port_map34; @@ -280,7 +283,8 @@ static int usb251xb_connect(struct usb251xb *hub) USB251XB_STRING_BUFSIZE); i2c_wb[USB251XB_ADDR_BATTERY_CHARGING_ENABLE] = hub->bat_charge_en; i2c_wb[USB251XB_ADDR_BOOST_UP] = hub->boost_up; - i2c_wb[USB251XB_ADDR_BOOST_X] = hub->boost_x; + i2c_wb[USB251XB_ADDR_BOOST_57] = hub->boost_57; + i2c_wb[USB251XB_ADDR_BOOST_14] = hub->boost_14; i2c_wb[USB251XB_ADDR_PORT_SWAP] = hub->port_swap; i2c_wb[USB251XB_ADDR_PORT_MAP_12] = hub->port_map12; i2c_wb[USB251XB_ADDR_PORT_MAP_34] = hub->port_map34; @@ -517,7 +521,8 @@ static int usb251xb_get_ofdata(struct usb251xb *hub, hub->max_current_bp = USB251XB_DEF_MAX_CURRENT_BUS; hub->bat_charge_en = USB251XB_DEF_BATTERY_CHARGING_ENABLE; hub->boost_up = USB251XB_DEF_BOOST_UP; - hub->boost_x = USB251XB_DEF_BOOST_X; + hub->boost_57 = USB251XB_DEF_BOOST_57; + hub->boost_14 = USB251XB_DEF_BOOST_14; hub->port_swap = USB251XB_DEF_PORT_SWAP; hub->port_map12 = USB251XB_DEF_PORT_MAP_12; hub->port_map34 = USB251XB_DEF_PORT_MAP_34; -- 2.12.0