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Tue, 2 Feb 2021 08:49:07 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 193.8.40.99) smtp.mailfrom=leica-geosystems.com.cn; kernel.org; dkim=none (message not signed) header.d=none;kernel.org; dmarc=pass action=none header.from=leica-geosystems.com.cn; Received-SPF: Pass (protection.outlook.com: domain of leica-geosystems.com.cn designates 193.8.40.99 as permitted sender) receiver=protection.outlook.com; client-ip=193.8.40.99; helo=aherlnxbspsrv01.lgs-net.com; Received: from aherlnxbspsrv01.lgs-net.com (193.8.40.99) by HE1EUR02FT042.mail.protection.outlook.com (10.152.11.159) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3784.11 via Frontend Transport; Tue, 2 Feb 2021 08:49:06 +0000 From: LI Qingwu To: sre@kernel.org, robh+dt@kernel.org, dmurphy@ti.com, pali@kernel.org, krzk@kernel.org, afd@ti.com, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: grygorii.tertychnyi@leica-geosystems.com, andrey.zhizhikin@leica-geosystems.com, LI Qingwu Subject: [PATCH V2 1/2] power: supply: bq27xxx: Add support for BQ78Z100 Date: Tue, 2 Feb 2021 08:48:57 +0000 Message-Id: <20210202084858.2944-2-Qing-wu.Li@leica-geosystems.com.cn> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210202084858.2944-1-Qing-wu.Li@leica-geosystems.com.cn> References: <20210202084858.2944-1-Qing-wu.Li@leica-geosystems.com.cn> X-EOPAttributedMessage: 0 X-MS-Office365-Filtering-HT: Tenant X-MS-PublicTrafficType: Email MIME-Version: 1.0 Content-Type: text/plain X-MS-Office365-Filtering-Correlation-Id: 90aec72c-a39e-49a2-f32f-08d8c7576676 X-MS-TrafficTypeDiagnostic: PAXPR06MB7504: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:4303; 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X-OriginatorOrg: leica-geosystems.com.cn X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Feb 2021 08:49:06.3361 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 90aec72c-a39e-49a2-f32f-08d8c7576676 X-MS-Exchange-CrossTenant-Id: 1b16ab3e-b8f6-4fe3-9f3e-2db7fe549f6a X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=1b16ab3e-b8f6-4fe3-9f3e-2db7fe549f6a;Ip=[193.8.40.99];Helo=[aherlnxbspsrv01.lgs-net.com] X-MS-Exchange-CrossTenant-AuthSource: HE1EUR02FT042.eop-EUR02.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: PAXPR06MB7504 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add support for TI BQ78Z100, I2C interface gas gauge. It provides a fully integrated safety protection, and authentication for 1 to 2-series cell Li-Ion and Li-Polymer battery packs. The patch was tested with BQ78Z100 equipment. Signed-off-by: LI Qingwu --- drivers/power/supply/bq27xxx_battery.c | 46 +++++++++++++++++++++- drivers/power/supply/bq27xxx_battery_i2c.c | 2 + include/linux/power/bq27xxx_battery.h | 1 + 3 files changed, 48 insertions(+), 1 deletion(-) diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c index 315e0909e6a4..c8579ec7a4f8 100644 --- a/drivers/power/supply/bq27xxx_battery.c +++ b/drivers/power/supply/bq27xxx_battery.c @@ -39,6 +39,7 @@ * https://www.ti.com/product/bq27z561 * https://www.ti.com/product/bq28z610 * https://www.ti.com/product/bq34z100-g1 + * https://www.ti.com/product/bq78z100 */ #include @@ -497,7 +498,27 @@ static u8 [BQ27XXX_REG_DCAP] = 0x3c, [BQ27XXX_REG_AP] = 0x22, BQ27XXX_DM_REG_ROWS, - }; + }, + bq78z100_regs[BQ27XXX_REG_MAX] = { + [BQ27XXX_REG_CTRL] = 0x00, + [BQ27XXX_REG_TEMP] = 0x06, + [BQ27XXX_REG_INT_TEMP] = 0x28, + [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, @@ -792,6 +813,27 @@ static enum power_supply_property bq34z100_props[] = { POWER_SUPPLY_PROP_MANUFACTURER, }; +static enum power_supply_property bq78z100_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_EMPTY_AVG, + 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_ENERGY_NOW, + POWER_SUPPLY_PROP_POWER_AVG, + POWER_SUPPLY_PROP_HEALTH, + POWER_SUPPLY_PROP_MANUFACTURER, +}; + struct bq27xxx_dm_reg { u8 subclass_id; u8 offset; @@ -890,6 +932,7 @@ static struct bq27xxx_dm_reg bq27621_dm_regs[] = { #define bq27z561_dm_regs 0 #define bq28z610_dm_regs 0 #define bq34z100_dm_regs 0 +#define bq78z100_dm_regs 0 #define BQ27XXX_O_ZERO BIT(0) #define BQ27XXX_O_OTDC BIT(1) /* has OTC/OTD overtemperature flags */ @@ -948,6 +991,7 @@ static struct { [BQ28Z610] = BQ27XXX_DATA(bq28z610, 0 , BQ27Z561_O_BITS), [BQ34Z100] = BQ27XXX_DATA(bq34z100, 0 , BQ27XXX_O_OTDC | BQ27XXX_O_SOC_SI | \ BQ27XXX_O_HAS_CI | BQ27XXX_O_MUL_CHEM), + [BQ78Z100] = BQ27XXX_DATA(bq78z100, 0x00000000, BQ27Z561_O_BITS), }; static DEFINE_MUTEX(bq27xxx_list_lock); diff --git a/drivers/power/supply/bq27xxx_battery_i2c.c b/drivers/power/supply/bq27xxx_battery_i2c.c index eb4f4284982f..46f078350fd3 100644 --- a/drivers/power/supply/bq27xxx_battery_i2c.c +++ b/drivers/power/supply/bq27xxx_battery_i2c.c @@ -248,6 +248,7 @@ static const struct i2c_device_id bq27xxx_i2c_id_table[] = { { "bq27z561", BQ27Z561 }, { "bq28z610", BQ28Z610 }, { "bq34z100", BQ34Z100 }, + { "bq78z100", BQ78Z100 }, {}, }; MODULE_DEVICE_TABLE(i2c, bq27xxx_i2c_id_table); @@ -284,6 +285,7 @@ static const struct of_device_id bq27xxx_battery_i2c_of_match_table[] = { { .compatible = "ti,bq27z561" }, { .compatible = "ti,bq28z610" }, { .compatible = "ti,bq34z100" }, + { .compatible = "ti,bq78z100" }, {}, }; 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 111a40d0d3d5..ac17618043b1 100644 --- a/include/linux/power/bq27xxx_battery.h +++ b/include/linux/power/bq27xxx_battery.h @@ -33,6 +33,7 @@ enum bq27xxx_chip { BQ27Z561, BQ28Z610, BQ34Z100, + BQ78Z100, }; struct bq27xxx_device_info; -- 2.17.1