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=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 67312C433E3 for ; Wed, 29 Jul 2020 12:06:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3A72120809 for ; Wed, 29 Jul 2020 12:06:26 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="c+2KMDXM" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726876AbgG2MGY (ORCPT ); Wed, 29 Jul 2020 08:06:24 -0400 Received: from lelv0143.ext.ti.com ([198.47.23.248]:43994 "EHLO lelv0143.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726341AbgG2MGX (ORCPT ); Wed, 29 Jul 2020 08:06:23 -0400 Received: from fllv0035.itg.ti.com ([10.64.41.0]) by lelv0143.ext.ti.com (8.15.2/8.15.2) with ESMTP id 06TC6LjM019850; Wed, 29 Jul 2020 07:06:21 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1596024381; bh=cutApfJYWHE6qUGKX+bHcNwZHI64KaoDdW2GVBI2cN0=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=c+2KMDXMnSqYKZTwb7vHk7vqXVrUhcAmYxgODgopQvd/Q0uIWrc8P0sxSQrhqqQQW EZcmvH/b9nmhZHISqpmTFTfMmFo/4YD+ZYqL8XInfK5G/19jVdPEPVUj9y3i/AylRS QOW7qFgaQIVOQvR5IqwwpWXJuccJrsson4tTJpq0= Received: from DLEE113.ent.ti.com (dlee113.ent.ti.com [157.170.170.24]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTP id 06TC6LkL101251; Wed, 29 Jul 2020 07:06:21 -0500 Received: from DLEE112.ent.ti.com (157.170.170.23) by DLEE113.ent.ti.com (157.170.170.24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Wed, 29 Jul 2020 07:06:21 -0500 Received: from fllv0040.itg.ti.com (10.64.41.20) by DLEE112.ent.ti.com (157.170.170.23) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Wed, 29 Jul 2020 07:06:21 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0040.itg.ti.com (8.15.2/8.15.2) with ESMTP id 06TC6L5F038704; Wed, 29 Jul 2020 07:06:21 -0500 From: Dan Murphy To: , , CC: , , , , Dan Murphy Subject: [PATCH v5 2/4] power: supply: bq27xxx_battery: Add the BQ27z561 Battery monitor Date: Wed, 29 Jul 2020 07:06:07 -0500 Message-ID: <20200729120609.22427-2-dmurphy@ti.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200729120609.22427-1-dmurphy@ti.com> References: <20200729120609.22427-1-dmurphy@ti.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add the Texas Instruments BQ27z561 battery monitor. The register address map is laid out the same as compared to other devices within the file. The battery status register has differing bits to determine if the battery is full, discharging or dead. Signed-off-by: Dan Murphy --- drivers/power/supply/bq27xxx_battery.c | 69 +++++++++++++++++++++- drivers/power/supply/bq27xxx_battery_i2c.c | 2 + include/linux/power/bq27xxx_battery.h | 1 + 3 files changed, 71 insertions(+), 1 deletion(-) diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c index acaafed037be..a858e3b2a0ee 100644 --- a/drivers/power/supply/bq27xxx_battery.c +++ b/drivers/power/supply/bq27xxx_battery.c @@ -18,6 +18,7 @@ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. * * Datasheets: +<<<<<<< HEAD * https://www.ti.com/product/bq27000 * https://www.ti.com/product/bq27200 * https://www.ti.com/product/bq27010 @@ -43,6 +44,7 @@ * https://www.ti.com/product/bq27411-g1 * https://www.ti.com/product/bq27441-g1 * https://www.ti.com/product/bq27621-g1 + * https://www.ti.com/lit/gpn/bq27z561 */ #include @@ -79,6 +81,11 @@ #define BQ27000_FLAG_FC BIT(5) #define BQ27000_FLAG_CHGS BIT(7) /* Charge state flag */ +/* BQ27Z561 has different layout for Flags register */ +#define BQ27Z561_FLAG_FDC BIT(4) /* Battery fully discharged */ +#define BQ27Z561_FLAG_FC BIT(5) /* Battery fully charged */ +#define BQ27Z561_FLAG_DIS_CH BIT(6) /* Battery is discharging */ + /* control register params */ #define BQ27XXX_SEALED 0x20 #define BQ27XXX_SET_CFGUPDATE 0x13 @@ -431,12 +438,32 @@ static u8 [BQ27XXX_REG_DCAP] = 0x3c, [BQ27XXX_REG_AP] = 0x18, BQ27XXX_DM_REG_ROWS, - }; + }, #define bq27411_regs bq27421_regs #define bq27425_regs bq27421_regs #define bq27426_regs bq27421_regs #define bq27441_regs bq27421_regs #define bq27621_regs bq27421_regs + bq27z561_regs[BQ27XXX_REG_MAX] = { + [BQ27XXX_REG_CTRL] = 0x00, + [BQ27XXX_REG_TEMP] = 0x06, + [BQ27XXX_REG_INT_TEMP] = INVALID_REG_ADDR, + [BQ27XXX_REG_VOLT] = 0x08, + [BQ27XXX_REG_AI] = 0x14, + [BQ27XXX_REG_FLAGS] = 0x0a, + [BQ27XXX_REG_TTE] = 0x16, + [BQ27XXX_REG_TTF] = 0x18, + [BQ27XXX_REG_TTES] = INVALID_REG_ADDR, + [BQ27XXX_REG_TTECP] = INVALID_REG_ADDR, + [BQ27XXX_REG_NAC] = INVALID_REG_ADDR, + [BQ27XXX_REG_FCC] = 0x12, + [BQ27XXX_REG_CYCT] = 0x2a, + [BQ27XXX_REG_AE] = 0x22, + [BQ27XXX_REG_SOC] = 0x2c, + [BQ27XXX_REG_DCAP] = 0x3c, + [BQ27XXX_REG_AP] = 0x22, + BQ27XXX_DM_REG_ROWS, + }; static enum power_supply_property bq27000_props[] = { POWER_SUPPLY_PROP_STATUS, @@ -672,6 +699,25 @@ static enum power_supply_property bq27421_props[] = { #define bq27441_props bq27421_props #define bq27621_props bq27421_props +static enum power_supply_property bq27z561_props[] = { + POWER_SUPPLY_PROP_STATUS, + POWER_SUPPLY_PROP_PRESENT, + POWER_SUPPLY_PROP_VOLTAGE_NOW, + POWER_SUPPLY_PROP_CURRENT_NOW, + POWER_SUPPLY_PROP_CAPACITY, + POWER_SUPPLY_PROP_CAPACITY_LEVEL, + POWER_SUPPLY_PROP_TEMP, + POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW, + POWER_SUPPLY_PROP_TIME_TO_FULL_NOW, + POWER_SUPPLY_PROP_TECHNOLOGY, + POWER_SUPPLY_PROP_CHARGE_FULL, + POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN, + POWER_SUPPLY_PROP_CYCLE_COUNT, + POWER_SUPPLY_PROP_POWER_AVG, + POWER_SUPPLY_PROP_HEALTH, + POWER_SUPPLY_PROP_MANUFACTURER, +}; + struct bq27xxx_dm_reg { u8 subclass_id; u8 offset; @@ -767,11 +813,14 @@ static struct bq27xxx_dm_reg bq27621_dm_regs[] = { #define bq27621_dm_regs 0 #endif +#define bq27z561_dm_regs 0 + #define BQ27XXX_O_ZERO 0x00000001 #define BQ27XXX_O_OTDC 0x00000002 /* has OTC/OTD overtemperature flags */ #define BQ27XXX_O_UTOT 0x00000004 /* has OT overtemperature flag */ #define BQ27XXX_O_CFGUP 0x00000008 #define BQ27XXX_O_RAM 0x00000010 +#define BQ27Z561_O_BITS 0x00000020 #define BQ27XXX_DATA(ref, key, opt) { \ .opts = (opt), \ @@ -816,6 +865,7 @@ static struct { [BQ27426] = BQ27XXX_DATA(bq27426, 0x80008000, BQ27XXX_O_UTOT | BQ27XXX_O_CFGUP | BQ27XXX_O_RAM), [BQ27441] = BQ27XXX_DATA(bq27441, 0x80008000, BQ27XXX_O_UTOT | BQ27XXX_O_CFGUP | BQ27XXX_O_RAM), [BQ27621] = BQ27XXX_DATA(bq27621, 0x80008000, BQ27XXX_O_UTOT | BQ27XXX_O_CFGUP | BQ27XXX_O_RAM), + [BQ27Z561] = BQ27XXX_DATA(bq27z561, 0 , BQ27Z561_O_BITS), }; static DEFINE_MUTEX(bq27xxx_list_lock); @@ -1551,6 +1601,8 @@ static bool bq27xxx_battery_dead(struct bq27xxx_device_info *di, u16 flags) { if (di->opts & BQ27XXX_O_ZERO) return flags & (BQ27000_FLAG_EDV1 | BQ27000_FLAG_EDVF); + else if (di->opts & BQ27Z561_O_BITS) + return flags & BQ27Z561_FLAG_FDC; else return flags & (BQ27XXX_FLAG_SOC1 | BQ27XXX_FLAG_SOCF); } @@ -1595,6 +1647,7 @@ void bq27xxx_battery_update(struct bq27xxx_device_info *di) cache.time_to_empty_avg = bq27xxx_battery_read_time(di, BQ27XXX_REG_TTECP); if (di->regs[BQ27XXX_REG_TTF] != INVALID_REG_ADDR) cache.time_to_full = bq27xxx_battery_read_time(di, BQ27XXX_REG_TTF); + cache.charge_full = bq27xxx_battery_read_fcc(di); cache.capacity = bq27xxx_battery_read_soc(di); if (di->regs[BQ27XXX_REG_AE] != INVALID_REG_ADDR) @@ -1682,6 +1735,13 @@ static int bq27xxx_battery_status(struct bq27xxx_device_info *di, status = POWER_SUPPLY_STATUS_NOT_CHARGING; else status = POWER_SUPPLY_STATUS_DISCHARGING; + } else if (di->opts & BQ27Z561_O_BITS) { + if (di->cache.flags & BQ27Z561_FLAG_FC) + status = POWER_SUPPLY_STATUS_FULL; + else if (di->cache.flags & BQ27Z561_FLAG_DIS_CH) + status = POWER_SUPPLY_STATUS_DISCHARGING; + else + status = POWER_SUPPLY_STATUS_CHARGING; } else { if (di->cache.flags & BQ27XXX_FLAG_FC) status = POWER_SUPPLY_STATUS_FULL; @@ -1710,6 +1770,13 @@ static int bq27xxx_battery_capacity_level(struct bq27xxx_device_info *di, level = POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL; else level = POWER_SUPPLY_CAPACITY_LEVEL_NORMAL; + } else if (di->opts & BQ27Z561_O_BITS) { + if (di->cache.flags & BQ27Z561_FLAG_FC) + level = POWER_SUPPLY_CAPACITY_LEVEL_FULL; + else if (di->cache.flags & BQ27Z561_FLAG_FDC) + level = POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL; + else + level = POWER_SUPPLY_CAPACITY_LEVEL_NORMAL; } else { if (di->cache.flags & BQ27XXX_FLAG_FC) level = POWER_SUPPLY_CAPACITY_LEVEL_FULL; diff --git a/drivers/power/supply/bq27xxx_battery_i2c.c b/drivers/power/supply/bq27xxx_battery_i2c.c index 8e114a7abfc9..15f4e75786ab 100644 --- a/drivers/power/supply/bq27xxx_battery_i2c.c +++ b/drivers/power/supply/bq27xxx_battery_i2c.c @@ -253,6 +253,7 @@ static const struct i2c_device_id bq27xxx_i2c_id_table[] = { { "bq27426", BQ27426 }, { "bq27441", BQ27441 }, { "bq27621", BQ27621 }, + { "bq27z561", BQ27Z561 }, {}, }; MODULE_DEVICE_TABLE(i2c, bq27xxx_i2c_id_table); @@ -286,6 +287,7 @@ static const struct of_device_id bq27xxx_battery_i2c_of_match_table[] = { { .compatible = "ti,bq27426" }, { .compatible = "ti,bq27441" }, { .compatible = "ti,bq27621" }, + { .compatible = "ti,bq27z561" }, {}, }; MODULE_DEVICE_TABLE(of, bq27xxx_battery_i2c_of_match_table); diff --git a/include/linux/power/bq27xxx_battery.h b/include/linux/power/bq27xxx_battery.h index 507c5e214c42..1f6ea5d5063d 100644 --- a/include/linux/power/bq27xxx_battery.h +++ b/include/linux/power/bq27xxx_battery.h @@ -30,6 +30,7 @@ enum bq27xxx_chip { BQ27426, BQ27441, BQ27621, + BQ27Z561, }; struct bq27xxx_device_info; -- 2.28.0