From patchwork Fri May 23 01:39:18 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fenglin Wu via B4 Relay X-Patchwork-Id: 891950 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 777B42DCBE0; Fri, 23 May 2025 01:39:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747964383; cv=none; b=B7ve4QQSiVyxNKYUWoA9iFc5W42uRoOukoJaEkYsM7VTsjXQCyqeqPhIMJKem+AY1iQluAE+iGdme1dllbP/BXYVU4ykzY5p/Bc9b/MnypMJ5YPKb7uyZXREq/CsSL5W616bsQcGF4mHzIryvYCaH6lr1aY/MKEHj5uZwnBDg6I= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747964383; c=relaxed/simple; bh=D+uMpcIjU+XNGgExEF0M/EWM2T9xFedeFZkRfusIy5E=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=nuh1K5HJC454sAaypXDFbV1aQDePlnPr6EyObvbhGrF3G2n5OFWR9wi5m4EMNpaL4UsOlD+Tnc6+wNjyThLJ20ixxZOd1q+giBWlQTmZOqGLhAi2w084E2Fx8EtorcIRGndDR5/kUdYixO6ZSNG02eI2qDqXNEY76Ms8yn3kdRE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=gCnfLJjJ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="gCnfLJjJ" Received: by smtp.kernel.org (Postfix) with ESMTPS id 06294C4CEEB; Fri, 23 May 2025 01:39:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1747964383; bh=D+uMpcIjU+XNGgExEF0M/EWM2T9xFedeFZkRfusIy5E=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=gCnfLJjJ+URKp0B3x/JShT+dBQ6CHvhqs2OuZbrDGFQ2NWv3cFcwiraZcXTwrea7F xkKytiRR1iSqeINV4OFtGX4pbP49iv3bEBvjR1RFDbiFR/KqzyBt8ezHPsk2YeKiOv QAmB+I9GSL4VbkM50rhKbxf7hvoKuSqV1rdn0+br00McHJtyp+N/WttO0oh3oXVKvE JdqxNWLSegIWXcgwzZSpj4cQIwA+Bj2/sy3NJueWYNpAqrQ2C5rpUFXpMVx5sugDdP k9zrRceIKfEbhDiU/1wXhoy1WYXuXfWG6tjDgqWKbJ9k4Mb6EJuNHMcnlm7HGrsoNt y3Og2Z2KdR+rQ== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id E4221C54F2E; Fri, 23 May 2025 01:39:42 +0000 (UTC) From: Fenglin Wu via B4 Relay Date: Fri, 23 May 2025 09:39:18 +0800 Subject: [PATCH 1/5] power: supply: core: add resistance power supply property Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250523-qcom_battmgr_update-v1-1-2bb6d4e0a56e@oss.qualcomm.com> References: <20250523-qcom_battmgr_update-v1-0-2bb6d4e0a56e@oss.qualcomm.com> In-Reply-To: <20250523-qcom_battmgr_update-v1-0-2bb6d4e0a56e@oss.qualcomm.com> To: Sebastian Reichel , Bjorn Andersson Cc: Subbaraman Narayanamurthy , David Collins , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, kernel@oss.qualcomm.com, Fenglin Wu X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1747964381; l=2414; i=fenglin.wu@oss.qualcomm.com; s=20240327; h=from:subject:message-id; bh=f6uhUoiZgOE/CV2wIB6Vwbi/lg0mxjoGmX0Qx7uMFHM=; b=HavpWuoflKPkvLhIXTCTWteE3MCnA7mz0fzb82RXZsFgESETNfNw2ByeyNax8y4mAlig1LSfN YnWlxV4c8TTDjW73aheEdDmchvfPruEN+IFVlXXbax9vPMrKgKR63G/ X-Developer-Key: i=fenglin.wu@oss.qualcomm.com; a=ed25519; pk=BF8SA4IVDk8/EBCwlBehKtn2hp6kipuuAuDAHh9s+K4= X-Endpoint-Received: by B4 Relay for fenglin.wu@oss.qualcomm.com/20240327 with auth_id=406 X-Original-From: Fenglin Wu Reply-To: fenglin.wu@oss.qualcomm.com From: Fenglin Wu Some battery drivers provide the ability to export resistance as a parameter. Add resistance power supply property for that purpose. Signed-off-by: Fenglin Wu --- Documentation/ABI/testing/sysfs-class-power | 10 ++++++++++ drivers/power/supply/power_supply_sysfs.c | 1 + include/linux/power_supply.h | 1 + 3 files changed, 12 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power index 560124cc31770cde03bcdbbba0d85a5bd78b15a0..22a565a6a1c509461b8c483e12975295765121d6 100644 --- a/Documentation/ABI/testing/sysfs-class-power +++ b/Documentation/ABI/testing/sysfs-class-power @@ -552,6 +552,16 @@ Description: Integer > 0: representing full cycles Integer = 0: cycle_count info is not available +What: /sys/class/power_supply//resistance +Date: May 2025 +Contact: linux-arm-msm@vger.kernel.org +Description: + Reports the resistance of the battery power supply. + + Access: Read + + Valid values: Represented in microohms + **USB Properties** What: /sys/class/power_supply//input_current_limit diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c index a438f7983d4f6a832e9d479184c7c35453e1757c..dd829148eb6fda5dcd7eab53fc70f99081763714 100644 --- a/drivers/power/supply/power_supply_sysfs.c +++ b/drivers/power/supply/power_supply_sysfs.c @@ -220,6 +220,7 @@ static struct power_supply_attr power_supply_attrs[] __ro_after_init = { POWER_SUPPLY_ATTR(MANUFACTURE_YEAR), POWER_SUPPLY_ATTR(MANUFACTURE_MONTH), POWER_SUPPLY_ATTR(MANUFACTURE_DAY), + POWER_SUPPLY_ATTR(RESISTANCE), /* Properties of type `const char *' */ POWER_SUPPLY_ATTR(MODEL_NAME), POWER_SUPPLY_ATTR(MANUFACTURER), diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index c4cb854971f53a244ba7742a15ce7a5515da6199..de3e88810e322546470b21258913abc7707c86a7 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -174,6 +174,7 @@ enum power_supply_property { POWER_SUPPLY_PROP_MANUFACTURE_YEAR, POWER_SUPPLY_PROP_MANUFACTURE_MONTH, POWER_SUPPLY_PROP_MANUFACTURE_DAY, + POWER_SUPPLY_PROP_RESISTANCE, /* Properties of type `const char *' */ POWER_SUPPLY_PROP_MODEL_NAME, POWER_SUPPLY_PROP_MANUFACTURER, From patchwork Fri May 23 01:39:19 2025 Content-Type: text/plain; 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Fri, 23 May 2025 01:39:42 +0000 (UTC) From: Fenglin Wu via B4 Relay Date: Fri, 23 May 2025 09:39:19 +0800 Subject: [PATCH 2/5] power: supply: core: Add state_of_health power supply property Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250523-qcom_battmgr_update-v1-2-2bb6d4e0a56e@oss.qualcomm.com> References: <20250523-qcom_battmgr_update-v1-0-2bb6d4e0a56e@oss.qualcomm.com> In-Reply-To: <20250523-qcom_battmgr_update-v1-0-2bb6d4e0a56e@oss.qualcomm.com> To: Sebastian Reichel , Bjorn Andersson Cc: Subbaraman Narayanamurthy , David Collins , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, kernel@oss.qualcomm.com, Fenglin Wu X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1747964381; l=2318; i=fenglin.wu@oss.qualcomm.com; s=20240327; h=from:subject:message-id; bh=4T4hHb+n7mzpuwhjLl1QDUEn8r857rZ0TUShtny5/Kc=; b=Bz8qghEKK5oMDE3AeLx76B583WLtBjd/hk5oy/Wa5T6/VcPDmTFcA00v/latAHggWExfgeQB5 Nec2/clnNAGAM/iZPDWY9DXKeFUKISUWIVhhQW40N7NR+sAgAw46x+u X-Developer-Key: i=fenglin.wu@oss.qualcomm.com; a=ed25519; pk=BF8SA4IVDk8/EBCwlBehKtn2hp6kipuuAuDAHh9s+K4= X-Endpoint-Received: by B4 Relay for fenglin.wu@oss.qualcomm.com/20240327 with auth_id=406 X-Original-From: Fenglin Wu Reply-To: fenglin.wu@oss.qualcomm.com From: Fenglin Wu Add state_of_health power supply property to represent battery health percentage. Signed-off-by: Fenglin Wu --- Documentation/ABI/testing/sysfs-class-power | 10 ++++++++++ drivers/power/supply/power_supply_sysfs.c | 1 + include/linux/power_supply.h | 1 + 3 files changed, 12 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-class-power b/Documentation/ABI/testing/sysfs-class-power index 22a565a6a1c509461b8c483e12975295765121d6..74e0d4d67467500c3cd62da3ae0b2e4a67e77680 100644 --- a/Documentation/ABI/testing/sysfs-class-power +++ b/Documentation/ABI/testing/sysfs-class-power @@ -562,6 +562,16 @@ Description: Valid values: Represented in microohms +What: /sys/class/power_supply//state_of_health +Date: May 2025 +Contact: linux-arm-msm@vger.kernel.org +Description: + Reports battery power supply state of health in percentage. + + Access: Read + + Valid values: 0 - 100 (percent) + **USB Properties** What: /sys/class/power_supply//input_current_limit diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c index dd829148eb6fda5dcd7eab53fc70f99081763714..12af0d0398822ff23d8970f6bdc8e3ef68081a1d 100644 --- a/drivers/power/supply/power_supply_sysfs.c +++ b/drivers/power/supply/power_supply_sysfs.c @@ -221,6 +221,7 @@ static struct power_supply_attr power_supply_attrs[] __ro_after_init = { POWER_SUPPLY_ATTR(MANUFACTURE_MONTH), POWER_SUPPLY_ATTR(MANUFACTURE_DAY), POWER_SUPPLY_ATTR(RESISTANCE), + POWER_SUPPLY_ATTR(STATE_OF_HEALTH), /* Properties of type `const char *' */ POWER_SUPPLY_ATTR(MODEL_NAME), POWER_SUPPLY_ATTR(MANUFACTURER), diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index de3e88810e322546470b21258913abc7707c86a7..dd0108940231352ac6c6f0fa962d1ea904d81c7a 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -175,6 +175,7 @@ enum power_supply_property { POWER_SUPPLY_PROP_MANUFACTURE_MONTH, POWER_SUPPLY_PROP_MANUFACTURE_DAY, POWER_SUPPLY_PROP_RESISTANCE, + POWER_SUPPLY_PROP_STATE_OF_HEALTH, /* Properties of type `const char *' */ POWER_SUPPLY_PROP_MODEL_NAME, POWER_SUPPLY_PROP_MANUFACTURER, From patchwork Fri May 23 01:39:21 2025 Content-Type: text/plain; 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Fri, 23 May 2025 01:39:43 +0000 (UTC) From: Fenglin Wu via B4 Relay Date: Fri, 23 May 2025 09:39:21 +0800 Subject: [PATCH 4/5] power: supply: qcom-battmgr: Add state_of_health power supply property Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250523-qcom_battmgr_update-v1-4-2bb6d4e0a56e@oss.qualcomm.com> References: <20250523-qcom_battmgr_update-v1-0-2bb6d4e0a56e@oss.qualcomm.com> In-Reply-To: <20250523-qcom_battmgr_update-v1-0-2bb6d4e0a56e@oss.qualcomm.com> To: Sebastian Reichel , Bjorn Andersson Cc: Subbaraman Narayanamurthy , David Collins , linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, kernel@oss.qualcomm.com, Fenglin Wu X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1747964381; l=2189; i=fenglin.wu@oss.qualcomm.com; s=20240327; h=from:subject:message-id; bh=d5CeTDpKrh+BwORmvK1yMLhieg5NQRwvc0hsoISBkdc=; b=HlAON3Of8JR6mADHXtdLkkMa3DaPiBzhMMm4SqwXepylSZSf4XCnntk9TTX19XThnZvPPONkf pVwdpBQGIXMC0Rlp4bvzGTCiObEeqCEx1PR47A6KmS/N6HP+qRc9PTf X-Developer-Key: i=fenglin.wu@oss.qualcomm.com; a=ed25519; pk=BF8SA4IVDk8/EBCwlBehKtn2hp6kipuuAuDAHh9s+K4= X-Endpoint-Received: by B4 Relay for fenglin.wu@oss.qualcomm.com/20240327 with auth_id=406 X-Original-From: Fenglin Wu Reply-To: fenglin.wu@oss.qualcomm.com From: Fenglin Wu Add state_of_health power supply property to read battery health percentage from the battery management firmware. Signed-off-by: Fenglin Wu --- drivers/power/supply/qcom_battmgr.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/power/supply/qcom_battmgr.c b/drivers/power/supply/qcom_battmgr.c index bc521f60f67fa427cc03b51c44adaeb46ae746f5..d5d0200b92bdc3d9a22f44159ad45b152efe8be0 100644 --- a/drivers/power/supply/qcom_battmgr.c +++ b/drivers/power/supply/qcom_battmgr.c @@ -256,6 +256,7 @@ struct qcom_battmgr_status { unsigned int voltage_ocv; unsigned int temperature; unsigned int resistance; + unsigned int soh_percent; unsigned int discharge_time; unsigned int charge_time; @@ -421,6 +422,7 @@ static const u8 sm8350_bat_prop_map[] = { [POWER_SUPPLY_PROP_TIME_TO_FULL_AVG] = BATT_TTF_AVG, [POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG] = BATT_TTE_AVG, [POWER_SUPPLY_PROP_RESISTANCE] = BATT_RESISTANCE, + [POWER_SUPPLY_PROP_STATE_OF_HEALTH] = BATT_SOH, [POWER_SUPPLY_PROP_POWER_NOW] = BATT_POWER_NOW, }; @@ -588,6 +590,9 @@ static int qcom_battmgr_bat_get_property(struct power_supply *psy, case POWER_SUPPLY_PROP_RESISTANCE: val->intval = battmgr->status.resistance; break; + case POWER_SUPPLY_PROP_STATE_OF_HEALTH: + val->intval = battmgr->status.soh_percent; + break; case POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG: val->intval = battmgr->status.discharge_time; break; @@ -672,6 +677,7 @@ static const enum power_supply_property sm8350_bat_props[] = { POWER_SUPPLY_PROP_TIME_TO_FULL_AVG, POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG, POWER_SUPPLY_PROP_RESISTANCE, + POWER_SUPPLY_PROP_STATE_OF_HEALTH, POWER_SUPPLY_PROP_POWER_NOW, }; @@ -1141,6 +1147,9 @@ static void qcom_battmgr_sm8350_callback(struct qcom_battmgr *battmgr, case BATT_CAPACITY: battmgr->status.percent = le32_to_cpu(resp->intval.value) / 100; break; + case BATT_SOH: + battmgr->status.soh_percent = le32_to_cpu(resp->intval.value); + break; case BATT_VOLT_OCV: battmgr->status.voltage_ocv = le32_to_cpu(resp->intval.value); break;