From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ej1-f48.google.com (mail-ej1-f48.google.com [209.85.218.48]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7824644163E for ; Tue, 18 Aug 2026 15:10:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.48 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787065849; cv=none; b=lY961NBCBvDYKgSZFtYVmwJhagdEUuX8v1s1IYO69qwi16hLSjTVA2YQLeQG4VomWqP0lr2s5ocGr6j5EUPmCNVmVpycem6DLnJTCUroUnbquK5sImtbJzqR4Q9t5SJBwBm1SjrFgDJppIWU1XIgCFJD7duWS9aNu3T+rsXAIS0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787065849; c=relaxed/simple; bh=b1rkFPtGAxaTKQsU2fZms/cmwCDYf7FU+90uT4gCqTc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=JKGlWVFQLC1fg6rYARiCj8YmNXX4cnTCpuwo/UtOaDDZTWj+MHAhqPTIrxX8Ppu7M1RQGXuAoELXNSqviMpw/cnjx5BUULI9VM5SbybBJEmBuVjeLgJdoG4vFzmQHZMnR+91wqNvqCOHvEiHp5q9oTqV6R7s31PO93avBoOM1bc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=LKof+drb; arc=none smtp.client-ip=209.85.218.48 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="LKof+drb" Received: by mail-ej1-f48.google.com with SMTP id a640c23a62f3a-c15cd3fd760so591363866b.2 for ; Tue, 18 Aug 2026 08:10:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1787065844; x=1787670644; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=itV88BizhIU5nkC2SJAZAmmYJyykzMNvmd/wtRUt1Io=; b=LKof+drbXR3m8bizG8S4KiVI93+S0pHWckF91pdlJA7Go2m50wpONOk48zlbxeKqjB 8Basn3NO7Swmex0VyxtWLtWSqqfwL5LPGorSaBFB9TZXhfa7pYhZeIFIKmgSW0KBwBSJ YVK8W5narUZen8vjVVhmmPMOpOrvfW98la4EUSegfgUOELWJ87YoBg1w+uSABJ+hOg2d dwofYUTiMT6G3vxKJXC0fj/d01O04pjQvVfdtpzI5IubcD61om/9vyIEnsNhftJJiaP+ 4MFt8xcA3oXWog7qLPG4K1Uvx4SN3mp2/cS5rwMMFerE+iPhQOe1n6wDYPFt04RWfOEv +i0w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1787065844; x=1787670644; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=itV88BizhIU5nkC2SJAZAmmYJyykzMNvmd/wtRUt1Io=; b=JNRcYxXTSX/MAV2+QhPfFQk0lNYFbhnfoLDZes+fXHBSOanN3HdAxD0NOHLj/gqy0X zaGhOIy04gaRVaXhpYQbQorwaUfVJIxb7tytsRhpxOVFxduZvTBfBn9kSp5JNktTypan KaoBPM2Z387CVa+UWShMoOqfic6ZXhll66gEfoME8jfuBlBfr9gywDkKnYiLsZtmNcOT x6+rD73TwkxVCvZrcjnnZPLmnCMMp7bkTwWWWESzM5CTkmLRKmRybmAPzEJYLgRgva9e hkZiMgnmCkbqWJDkEV4X4niqIDZVvFuvd4azS7dHkOAbMDkHT6GxsFq1VRa3Wfc2m/pb xSJg== X-Forwarded-Encrypted: i=1; AHgh+Rr72TzGdhM7i0e7uXpdeLwBzh5wx94MChIEjbVZ8yv3U0K93WayJ8HyDoBosorQu0p0brWAskiRqV0x@vger.kernel.org X-Gm-Message-State: AOJu0YxK3SvX3DWHhR/3FvXB7Qr2GdGsnqpuuDpYriDrn67LLPCQNKqL SWLS90/Bz5MLRgna1vNWenkNkL6lSGHsjdnwx6xNaBLjPPMlHKO67nXL X-Gm-Gg: AR+sD12v7ga50XFiVABzmPqpZy/Ay/OxsQ9xbSDNwTUc7HIOhZchc6xI0W4Q0OGGuzY OqRsImg/Impcv+h2iPCN90XyzXhc5unCEscWSO/RTaa1XGzAB4j114xKuGo0POLs1DhGwGA9fTF 868f7h1EnbfpDqyu8BLZgUpaLlpvLoRAOj03FFi+IqkivmY2L7rs1ZQefExiDJuTTuOkWyX2LaY 3ATwGw5SHmpggmAlh4O9+K/3eIFY2FKSWp6EgUlZYvg9j2R10CcoGHxbAuQqZ6SWW54QUDk2+Pm /zlYx0OP9rB3Vhg9QJEZEvMFbv9YuJUfVteCSX1NYIflxMe57JJ450VSFekcNNIWpT3lV+C2s3n F5GlvzGPfYS3aDim+v9OIWfnXYAX86qyZ0BoIK+ZUoblBYpQnKcc7C5//9KQC5y2+47TbAbif3I XffMEA06Cf9MgyRZ5KeJdgXDCgHHjpTyoltcm4TQY5Cs9JSnaOnbdsIp/fqlBoij3Yig04ElFoR IS5Y0lyKd8bYUAmDbcIaw== X-Received: by 2002:a17:907:3f03:b0:c20:f871:1041 with SMTP id a640c23a62f3a-c2129c1bec8mr1768178566b.7.1787065844299; Tue, 18 Aug 2026 08:10:44 -0700 (PDT) Received: from workstation (161-53-210-87.ftth.glasoperator.nl. [87.210.53.161]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c217fe69cf4sm205772266b.3.2026.08.18.08.10.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 18 Aug 2026 08:10:43 -0700 (PDT) From: "user.email" To: Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Sebastian Reichel Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, Stanislav Zaikin Subject: [PATCH v2 2/3] power: supply: qcom_battmgr: add Xiaomi taoyao support Date: Tue, 18 Aug 2026 17:10:38 +0200 Message-ID: <20260818151039.409767-3-zstaseg@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260818151039.409767-1-zstaseg@gmail.com> References: <20260818151039.409767-1-zstaseg@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Stanislav Zaikin The Xiaomi taoyao firmware defines an additional BATT_CONSTANT_CURRENT property (ID 12) between BATT_CHG_CTRL_LIM_MAX and BATT_TEMP, shifting all higher battery property IDs by one. Signed-off-by: Stanislav Zaikin --- drivers/power/supply/qcom_battmgr.c | 86 +++++++++++++++++++++++++++-- 1 file changed, 82 insertions(+), 4 deletions(-) diff --git a/drivers/power/supply/qcom_battmgr.c b/drivers/power/supply/qcom_battmgr.c index 490137a23d00..390d7c75e36f 100644 --- a/drivers/power/supply/qcom_battmgr.c +++ b/drivers/power/supply/qcom_battmgr.c @@ -24,6 +24,7 @@ enum qcom_battmgr_variant { QCOM_BATTMGR_SM8350, QCOM_BATTMGR_SM8550, QCOM_BATTMGR_X1E80100, + QCOM_BATTMGR_TAOYAO, }; #define BATTMGR_BAT_STATUS 0x1 @@ -451,16 +452,87 @@ static const u8 sm8350_bat_prop_map[] = { [POWER_SUPPLY_PROP_CHARGE_CONTROL_END_THRESHOLD] = BATT_CHG_CTRL_END_THR, }; +/* + * Xiaomi Taoyao firmware has BATT_CONSTANT_CURRENT (ID 12) inserted + * between BATT_CHG_CTRL_LIM_MAX and BATT_TEMP, shifting all subsequent + * IDs by one. + */ +static const u8 taoyao_bat_prop_map[] = { + [POWER_SUPPLY_PROP_STATUS] = BATT_STATUS, + [POWER_SUPPLY_PROP_HEALTH] = BATT_HEALTH, + [POWER_SUPPLY_PROP_PRESENT] = BATT_PRESENT, + [POWER_SUPPLY_PROP_CHARGE_TYPE] = BATT_CHG_TYPE, + [POWER_SUPPLY_PROP_CAPACITY] = BATT_CAPACITY, + [POWER_SUPPLY_PROP_VOLTAGE_OCV] = BATT_VOLT_OCV, + [POWER_SUPPLY_PROP_VOLTAGE_NOW] = BATT_VOLT_NOW, + [POWER_SUPPLY_PROP_VOLTAGE_MAX] = BATT_VOLT_MAX, + [POWER_SUPPLY_PROP_CURRENT_NOW] = BATT_CURR_NOW, + [POWER_SUPPLY_PROP_TEMP] = BATT_TEMP + 1, + [POWER_SUPPLY_PROP_TECHNOLOGY] = BATT_TECHNOLOGY + 1, + [POWER_SUPPLY_PROP_CHARGE_COUNTER] = BATT_CHG_COUNTER + 1, + [POWER_SUPPLY_PROP_CYCLE_COUNT] = BATT_CYCLE_COUNT + 1, + [POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN] = BATT_CHG_FULL_DESIGN + 1, + [POWER_SUPPLY_PROP_CHARGE_FULL] = BATT_CHG_FULL + 1, + [POWER_SUPPLY_PROP_MODEL_NAME] = BATT_MODEL_NAME + 1, + [POWER_SUPPLY_PROP_TIME_TO_FULL_AVG] = BATT_TTF_AVG + 1, + [POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG] = BATT_TTE_AVG + 1, + [POWER_SUPPLY_PROP_INTERNAL_RESISTANCE] = BATT_RESISTANCE + 1, + [POWER_SUPPLY_PROP_STATE_OF_HEALTH] = BATT_SOH, + [POWER_SUPPLY_PROP_POWER_NOW] = BATT_POWER_NOW + 1, + [POWER_SUPPLY_PROP_CHARGE_CONTROL_START_THRESHOLD] = BATT_CHG_CTRL_START_THR + 1, + [POWER_SUPPLY_PROP_CHARGE_CONTROL_END_THRESHOLD] = BATT_CHG_CTRL_END_THR + 1, +}; + +/* + * Reverse mapping from Xiaomi Taoyao firmware property IDs to canonical + * kernel property IDs. + */ +static const u8 taoyao_to_canonical[] = { + [BATT_STATUS] = BATT_STATUS, + [BATT_HEALTH] = BATT_HEALTH, + [BATT_PRESENT] = BATT_PRESENT, + [BATT_CHG_TYPE] = BATT_CHG_TYPE, + [BATT_CAPACITY] = BATT_CAPACITY, + [BATT_SOH] = BATT_SOH, + [BATT_VOLT_OCV] = BATT_VOLT_OCV, + [BATT_VOLT_NOW] = BATT_VOLT_NOW, + [BATT_VOLT_MAX] = BATT_VOLT_MAX, + [BATT_CURR_NOW] = BATT_CURR_NOW, + [BATT_CHG_CTRL_LIM] = BATT_CHG_CTRL_LIM, + [BATT_CHG_CTRL_LIM_MAX] = BATT_CHG_CTRL_LIM_MAX, + [BATT_CHG_CTRL_LIM_MAX + 1] = 0xff, /* BATT_CONSTANT_CURRENT - never requested */ + [BATT_TEMP + 1] = BATT_TEMP, + [BATT_TECHNOLOGY + 1] = BATT_TECHNOLOGY, + [BATT_CHG_COUNTER + 1] = BATT_CHG_COUNTER, + [BATT_CYCLE_COUNT + 1] = BATT_CYCLE_COUNT, + [BATT_CHG_FULL_DESIGN + 1] = BATT_CHG_FULL_DESIGN, + [BATT_CHG_FULL + 1] = BATT_CHG_FULL, + [BATT_MODEL_NAME + 1] = BATT_MODEL_NAME, + [BATT_TTF_AVG + 1] = BATT_TTF_AVG, + [BATT_TTE_AVG + 1] = BATT_TTE_AVG, + [BATT_RESISTANCE + 1] = BATT_RESISTANCE, + [BATT_POWER_NOW + 1] = BATT_POWER_NOW, + [BATT_POWER_AVG + 1] = BATT_POWER_AVG, + [BATT_CHG_CTRL_EN + 1] = BATT_CHG_CTRL_EN, + [BATT_CHG_CTRL_START_THR + 1] = BATT_CHG_CTRL_START_THR, + [BATT_CHG_CTRL_END_THR + 1] = BATT_CHG_CTRL_END_THR, +}; + static int qcom_battmgr_bat_sm8350_update(struct qcom_battmgr *battmgr, enum power_supply_property psp) { unsigned int prop; int ret; - if (psp >= ARRAY_SIZE(sm8350_bat_prop_map)) - return -EINVAL; - - prop = sm8350_bat_prop_map[psp]; + if (battmgr->variant == QCOM_BATTMGR_TAOYAO) { + if (psp >= ARRAY_SIZE(taoyao_bat_prop_map)) + return -EINVAL; + prop = taoyao_bat_prop_map[psp]; + } else { + if (psp >= ARRAY_SIZE(sm8350_bat_prop_map)) + return -EINVAL; + prop = sm8350_bat_prop_map[psp]; + } mutex_lock(&battmgr->lock); ret = qcom_battmgr_request_property(battmgr, BATTMGR_BAT_PROPERTY_GET, prop, 0); @@ -1381,6 +1453,11 @@ static void qcom_battmgr_sm8350_callback(struct qcom_battmgr *battmgr, switch (opcode) { case BATTMGR_BAT_PROPERTY_GET: property = le32_to_cpu(resp->intval.property); + + if (battmgr->variant == QCOM_BATTMGR_TAOYAO && + property < ARRAY_SIZE(taoyao_to_canonical)) + property = taoyao_to_canonical[property]; + if (property == BATT_MODEL_NAME) { if (payload_len != sizeof(resp->strval)) { dev_warn(battmgr->dev, @@ -1617,6 +1694,7 @@ static const struct of_device_id qcom_battmgr_of_variants[] = { { .compatible = "qcom,sc8280xp-pmic-glink", .data = (void *)QCOM_BATTMGR_SC8280XP }, { .compatible = "qcom,sm8550-pmic-glink", .data = (void *)QCOM_BATTMGR_SM8550 }, { .compatible = "qcom,x1e80100-pmic-glink", .data = (void *)QCOM_BATTMGR_X1E80100 }, + { .compatible = "xiaomi,taoyao-pmic-glink", .data = (void *)QCOM_BATTMGR_TAOYAO }, /* Unmatched devices falls back to QCOM_BATTMGR_SM8350 */ {} }; -- 2.53.0