From patchwork Wed May 10 11:50:43 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Aidan MacDonald X-Patchwork-Id: 681096 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0CB66C77B7D for ; Wed, 10 May 2023 11:51:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236572AbjEJLvw (ORCPT ); Wed, 10 May 2023 07:51:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40054 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237021AbjEJLvu (ORCPT ); Wed, 10 May 2023 07:51:50 -0400 Received: from mail-wr1-x42f.google.com (mail-wr1-x42f.google.com [IPv6:2a00:1450:4864:20::42f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3F5A435A3; Wed, 10 May 2023 04:51:49 -0700 (PDT) Received: by mail-wr1-x42f.google.com with SMTP id ffacd0b85a97d-2f27a9c7970so6730361f8f.2; Wed, 10 May 2023 04:51:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1683719507; x=1686311507; 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; bh=r+e0WO9314+22bYk2/c0IG6PriU+XsPi5/aWiGwjMuE=; b=Q/E/T1aHHQGd8tG4pCXUPk93NhLvFH0M+pemyAz0J37e8tRIPpFC1XoJprjPtlpkXx VxZudODg3w+OZnbq2u2Of/01KfEKLKU4S74UnmRlcUs1iwoyp9bZHa2xXoaewgkF3K8C UFFitLWAWJK3BHODRC8x4qlXLNsHW/l9T3PiWqHBkS2yHAPXzjlLgOincgaq9x9YyHni jQzdkT9iTlaqlJ16zFl5/VQqJRRybTyE5kmsJracyG7MCl2P2Yw8lZvD+wSU2jzl+M2U PtSZ6xX+JCzRsl5+gZQqO+iG1ekHSS1GsM/iaJKHx28obrCPfUdo1rcyz6X+Y4yRK4Yk GR0w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1683719507; x=1686311507; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=r+e0WO9314+22bYk2/c0IG6PriU+XsPi5/aWiGwjMuE=; b=BpU1LAVJ8Npw00rMXXB6T41jM0mg+wlbe93CkHa79lPXi/H/3GfL9lX7hAi49FlhEb n1wDtUIilS0R1bf+dcLtAxZ0uTLCf3TDsE9NllRpqEQS3Cus/y8I0623X7uI5Xl51wtz NrtQ0P7YZ6YUrKyDyXKG2siY6NztNbFPK2DdpVYLwREk27jjyL3W3u5Jk5t1CH/+WCwU dgie97n2rlYHYg0HUPI4u2YCHVQTqnefO0ECnri6Dkp2BtsYJbijwJB1GSSXbsIHuJZv Qm5dNL/ztqZ1KTH3b727MiDdlVyqT7OQxMXxfqHgu4HsHtI3QL2SNScozNKlVRqUPeSp bQNQ== X-Gm-Message-State: AC+VfDx+y30mbFbUp0bcB+WiATkXNb42ZCmEAjzD1G1G5ejwCghbDOEa PYx4uHpyIxCsqTCixOJ9yCEtD++30r4= X-Google-Smtp-Source: ACHHUZ76W1o5twe5boP7VQFqcPUI3XuQokY+zIZjQqirKHxWQkYMhOO3YpVV+xMQhQBXNIN+otcDUg== X-Received: by 2002:a5d:6d4d:0:b0:306:2927:b581 with SMTP id k13-20020a5d6d4d000000b003062927b581mr11419223wri.46.1683719507494; Wed, 10 May 2023 04:51:47 -0700 (PDT) Received: from localhost ([167.98.27.226]) by smtp.gmail.com with ESMTPSA id z8-20020adfec88000000b003062675d4c9sm17094885wrn.39.2023.05.10.04.51.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 May 2023 04:51:47 -0700 (PDT) From: Aidan MacDonald To: sre@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, wens@csie.org Cc: linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 4/7] power: supply: axp20x_usb_power: Use regmap field for VBUS disabling Date: Wed, 10 May 2023 12:50:43 +0100 Message-Id: <20230510115046.963432-5-aidanmacdonald.0x0@gmail.com> In-Reply-To: <20230510115046.963432-1-aidanmacdonald.0x0@gmail.com> References: <20230510115046.963432-1-aidanmacdonald.0x0@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org The POWER_SUPPLY_PROP_ONLINE property allows controlling the VBUS enable state on supported PMICs. Switch to regmap fields to reduce dependence on variant IDs. Signed-off-by: Aidan MacDonald --- drivers/power/supply/axp20x_usb_power.c | 29 +++++++++++-------------- 1 file changed, 13 insertions(+), 16 deletions(-) diff --git a/drivers/power/supply/axp20x_usb_power.c b/drivers/power/supply/axp20x_usb_power.c index 20a76c19cfad..89f076615d2e 100644 --- a/drivers/power/supply/axp20x_usb_power.c +++ b/drivers/power/supply/axp20x_usb_power.c @@ -31,9 +31,6 @@ #define AXP20X_USB_STATUS_VBUS_VALID BIT(2) -#define AXP20X_VBUS_PATH_SEL BIT(7) -#define AXP20X_VBUS_PATH_SEL_OFFSET 7 - #define AXP20X_VBUS_VHOLD_uV(b) (4000000 + (((b) >> 3) & 7) * 100000) #define AXP20X_VBUS_VHOLD_MASK GENMASK(5, 3) #define AXP20X_VBUS_VHOLD_OFFSET 3 @@ -57,6 +54,7 @@ struct axp_data { struct reg_field vbus_valid_bit; struct reg_field vbus_mon_bit; struct reg_field usb_bc_en_bit; + struct reg_field vbus_disable_bit; }; struct axp20x_usb_power { @@ -65,6 +63,7 @@ struct axp20x_usb_power { struct regmap_field *vbus_valid_bit; struct regmap_field *vbus_mon_bit; struct regmap_field *usb_bc_en_bit; + struct regmap_field *vbus_disable_bit; struct power_supply *supply; enum axp20x_variants axp20x_id; const struct axp_data *axp_data; @@ -231,16 +230,6 @@ static int axp20x_usb_power_get_property(struct power_supply *psy, return 0; } -static int axp813_usb_power_set_online(struct axp20x_usb_power *power, - int intval) -{ - int val = !intval << AXP20X_VBUS_PATH_SEL_OFFSET; - - return regmap_update_bits(power->regmap, - AXP20X_VBUS_IPSOUT_MGMT, - AXP20X_VBUS_PATH_SEL, val); -} - static int axp20x_usb_power_set_voltage_min(struct axp20x_usb_power *power, int intval) { @@ -290,9 +279,10 @@ static int axp20x_usb_power_set_property(struct power_supply *psy, switch (psp) { case POWER_SUPPLY_PROP_ONLINE: - if (power->axp20x_id != AXP813_ID) + if (!power->vbus_disable_bit) return -EINVAL; - return axp813_usb_power_set_online(power, val->intval); + + return regmap_field_write(power->vbus_disable_bit, !val->intval); case POWER_SUPPLY_PROP_VOLTAGE_MIN: return axp20x_usb_power_set_voltage_min(power, val->intval); @@ -320,7 +310,7 @@ static int axp20x_usb_power_prop_writeable(struct power_supply *psy, * the VBUS input offline. */ if (psp == POWER_SUPPLY_PROP_ONLINE) - return power->axp20x_id == AXP813_ID; + return power->vbus_disable_bit != NULL; return psp == POWER_SUPPLY_PROP_VOLTAGE_MIN || psp == POWER_SUPPLY_PROP_CURRENT_MAX; @@ -434,6 +424,7 @@ static const struct axp_data axp813_data = { .curr_lim_table = axp813_usb_curr_lim_table, .curr_lim_fld = REG_FIELD(AXP20X_VBUS_IPSOUT_MGMT, 0, 1), .usb_bc_en_bit = REG_FIELD(AXP288_BC_GLOBAL, 0, 0), + .vbus_disable_bit = REG_FIELD(AXP20X_VBUS_IPSOUT_MGMT, 7, 7), }; #ifdef CONFIG_PM_SLEEP @@ -579,6 +570,12 @@ static int axp20x_usb_power_probe(struct platform_device *pdev) if (ret) return ret; + ret = axp20x_regmap_field_alloc_optional(&pdev->dev, power->regmap, + axp_data->vbus_disable_bit, + &power->vbus_disable_bit); + if (ret) + return ret; + ret = devm_delayed_work_autocancel(&pdev->dev, &power->vbus_detect, axp20x_usb_power_poll_vbus); if (ret)