From nobody Mon Feb 9 13:00:51 2026 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 AAC81175B1 for ; Sun, 25 Feb 2024 15:00:12 +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=1708873212; cv=none; b=fgrxBL1mkPVzwacWpQti5CZ1jUxkMwiSyEobuLVjo93JfAZNTx81A1BXAFUCBIQZxuTxSmSKrA3ORhtED2wCOG+6Qwya2JNlAgo3XPBT+IaXgeTzR+a4zauY7S0itKS6VmnEPVYOch5N8mHqax+UH7J8fz9GV6qKvOfU8Y6ZNcs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708873212; c=relaxed/simple; bh=/9Qtfrp2wXu5HlNPGVpCrKTCsuKq/bIXhE9SvbtyD4A=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=nKUKpGwJhls8O58Koo5sMbYqfv06NDj01UHfo2kfbbW7fUyANGoXOk2mijMbXy4AX3u6aSVXR+SHk9g+QaRl1LTzayiFwIFwyFbDKuwzTqk4yE108N2hc64sH1P22blp/RQ2JFwm5n+snRUXmBdOo1E6NDpl6IEP4Kv4OMXIweQ= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=DoNhRcXt; 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="DoNhRcXt" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8CBFFC433C7; Sun, 25 Feb 2024 15:00:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1708873212; bh=/9Qtfrp2wXu5HlNPGVpCrKTCsuKq/bIXhE9SvbtyD4A=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=DoNhRcXtsN75f2or3TYH3BLjp5iF/tLu7GknJSEa4wMqdgD0GHH58sOd5ZWgPCY/z PXzOiMy6tkZZMay0W5OO2xTanT91YKUwrO7fQjQ0ertwh/ybEj+ZJ1RhuHtjMDX72l Eiv2XMeMZCZHzVtSuZELPPpWfZYP/zVEAj2qGDFvAGGDpSycMIOs1YvEsArCy6hS52 glfnwpH9ocsy03eoNucdcs00SrSQqPhollPXuAtwLIPtZdV9Gh2yZ/KtYu48vNqklk ydbUKCeWIZaERhwlLSCyYZa5Q35JQV/5H6thmMkfel8l3rBq70gWea06++dE0kfnNT fmc0oR/YS+ilw== From: Mark Brown Date: Sun, 25 Feb 2024 14:59:30 +0000 Subject: [PATCH 4/8] regulator: mp8859: Support mode operations Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240225-regulator-mp8859-v1-4-68ee2c839ded@kernel.org> References: <20240225-regulator-mp8859-v1-0-68ee2c839ded@kernel.org> In-Reply-To: <20240225-regulator-mp8859-v1-0-68ee2c839ded@kernel.org> To: Liam Girdwood Cc: linux-kernel@vger.kernel.org, Markus Reichl , Mark Brown X-Mailer: b4 0.13-dev-0438c X-Developer-Signature: v=1; a=openpgp-sha256; l=1976; i=broonie@kernel.org; h=from:subject:message-id; bh=/9Qtfrp2wXu5HlNPGVpCrKTCsuKq/bIXhE9SvbtyD4A=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBl21XsfERsrSmC8mxkIIHybPnRxcTEutHbE1mEX YuwHuy1r8eJATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCZdtV7AAKCRAk1otyXVSH 0IDXB/91va2SMLdhVzW2gjt5wz+97EDSXgKd6rSNHk+fKOyrJZiijRDqh+CjzGpZJJmafWRvC4b 992Z6fH66uvv1tB0JdANlmqXKy5A5o7IVBBrA5HZHb8bnZQPDgGTdGPqGxFnhl/Xik+QxJIgsaU qxJ6JKPHlj8NVSCHqXNHHAzsnycLr9K88Z60igzE3qy4qsZi5S1GKhuUAxjLe+3JWmU2RXE3RxO x5gMpdoOPjxRGqHDv/tLsmBSxKWop8HH3JYMw2FhzrLL/uuo7dKw0W0b5AxqBCOOJpySgsdxd6s DyHG5XJpGbuyUVNnkPHBuMudFLcXmRrGy9Es4B4lAlMmgpzW X-Developer-Key: i=broonie@kernel.org; a=openpgp; fpr=3F2568AAC26998F9E813A1C5C3F436CA30F5D8EB The MP8859 provides mode control, implement the relevant regulator API operations. Signed-off-by: Mark Brown --- drivers/regulator/mp8859.c | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/drivers/regulator/mp8859.c b/drivers/regulator/mp8859.c index a443ebe927c5..b97c00097148 100644 --- a/drivers/regulator/mp8859.c +++ b/drivers/regulator/mp8859.c @@ -36,6 +36,7 @@ #define MP8859_GO_BIT 0x01 =20 #define MP8859_ENABLE_MASK 0x80 +#define MP8859_MODE_MASK 0x08 =20 static int mp8859_set_voltage_sel(struct regulator_dev *rdev, unsigned int= sel) { @@ -74,6 +75,42 @@ static int mp8859_get_voltage_sel(struct regulator_dev *= rdev) return val; } =20 +static unsigned int mp8859_get_mode(struct regulator_dev *rdev) +{ + unsigned int val; + int ret; + + ret =3D regmap_read(rdev->regmap, MP8859_CTL1_REG, &val); + if (ret !=3D 0) { + dev_err(&rdev->dev, "Failed to read mode: %d\n", ret); + return 0; + } + + if (val & MP8859_MODE_MASK) + return REGULATOR_MODE_FAST; + else + return REGULATOR_MODE_NORMAL; +} + +static int mp8859_set_mode(struct regulator_dev *rdev, unsigned int mode) +{ + unsigned int val; + + switch (mode) { + case REGULATOR_MODE_FAST: + val =3D MP8859_MODE_MASK; + break; + case REGULATOR_MODE_NORMAL: + val =3D 0; + break; + default: + return -EINVAL; + } + + return regmap_update_bits(rdev->regmap, MP8859_CTL1_REG, + MP8859_MODE_MASK, val); +} + static const struct linear_range mp8859_dcdc_ranges[] =3D { REGULATOR_LINEAR_RANGE(0, VOL_MIN_IDX, VOL_MAX_IDX, 10000), }; @@ -128,6 +165,8 @@ static const struct regulator_ops mp8859_ops =3D { .enable =3D regulator_enable_regmap, .disable =3D regulator_disable_regmap, .is_enabled =3D regulator_is_enabled_regmap, + .set_mode =3D mp8859_set_mode, + .get_mode =3D mp8859_get_mode, }; =20 static const struct regulator_desc mp8859_regulators[] =3D { --=20 2.39.2