From nobody Sun Feb 8 19:55:07 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 1317B18AF9 for ; Sun, 25 Feb 2024 15:00:18 +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=1708873219; cv=none; b=Z5OZpKQWwI3rhEn1aISPh1ACqBcU4Eg2IOotQZo0/ljvmFIVGWxpzc5928dW/vze5D3cAp7e4zmWTlb8bdcvmbylts6TzXcI+lSm2iaZrTAD7LTqHIIIxG+EtaZg+EjKLCcL4F7CJW8P+Lv3I9rHzkj/aRwALyEhCQ4IYEb67pY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708873219; c=relaxed/simple; bh=6CinCFKAoCYXsxW9O9gPEeiQ2N+cxWINRDgn5ZKO1nM=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=a5LGWkU8CrQbnmU2qsXa54bW+cmykD1r5blq2wO7ho0fA8mK/G73K+4XYGgwSo0gqCoI1L6/aXw7R7p12RYCJdoSJA40Rrd28vtAI6HvqylZsqPciGKhClT5H4OV7AeMwSk0hNAQjQT6l41QqpT/Kp/rD9x+zA90G0jHTiDApp0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=erGDqepY; 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="erGDqepY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 93DE1C433C7; Sun, 25 Feb 2024 15:00:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1708873218; bh=6CinCFKAoCYXsxW9O9gPEeiQ2N+cxWINRDgn5ZKO1nM=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=erGDqepYet+GW5jazTQFdXEALeq2frVJuSD+rZGWCfNqgoqJYHB5E4o9oEHhlH7SB GyKU1MCNhcmOPIouzeF7t16U405hlv5LS3kKZ1S4tryQdsEcxlOdy3MibL98B/TZeH r55dCIgAyaeuvkOiZrQWzVRw3TP4mGrCLx7TtaYG/44x0kgxuzbrHlVdUSi7DKpeiT zPoAofK9W4PdFoHwsv++LDocbI1LbBYpUXmlV0DfjWkOHWKzm0p4+H6oiWdp2YqZN0 zcM9WZFdrg4OC/ylBS9l0Yi1GAwWz5LDWCX3tFPtUaQGzNXyq5sUSK5vWJbugC6ZZb t29zq/lXtzwzg== From: Mark Brown Date: Sun, 25 Feb 2024 14:59:33 +0000 Subject: [PATCH 7/8] regulator: mp8859: Report slew rate 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-v1-7-68ee2c839ded@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=1390; i=broonie@kernel.org; h=from:subject:message-id; bh=6CinCFKAoCYXsxW9O9gPEeiQ2N+cxWINRDgn5ZKO1nM=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBl21XvplZ61zQIvdl7OTNyrlZRkxv916h7KIJ8t B8UxCxQ5cqJATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCZdtV7wAKCRAk1otyXVSH 0GMZB/0ZL8/Sbs+eXy7b577Yj4n4sf2ipLN+dKfrIu4xv72nJMeCdg27q+qeAzJFej2ZYa/Eurg /LJUAj0UxpasN1xnp5m+wEj7md3CklLYz+parUhjrEu/LGKWxW5969rIqvVKoz0/YtXTRR2hg/L Rl7rew0an36FOqTsrxLISQX/pMtQBD4xdg2scMLj11jnT4lSpHzYPGNnwcYmvXnY9JkNq6CQ4l4 08b700GqIrrbWOvnBwttW9wWLqnk5NdArCTkmeJxXmSN6OibknJZebWTRC96woWXdVdI1sKY5Y/ cKDhoDAkmBJeRpIaUnrDXc4W7QAM3LyUbOcfbspEotImDea4 X-Developer-Key: i=broonie@kernel.org; a=openpgp; fpr=3F2568AAC26998F9E813A1C5C3F436CA30F5D8EB The MP8859 implements voltage changes at the rate of 1mV/us, tell the core about this so that it can provide appropriate delays on voltage changes. Signed-off-by: Mark Brown --- drivers/regulator/mp8859.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/regulator/mp8859.c b/drivers/regulator/mp8859.c index fc1636d69bca..3e849e1a172f 100644 --- a/drivers/regulator/mp8859.c +++ b/drivers/regulator/mp8859.c @@ -81,6 +81,20 @@ static int mp8859_get_voltage_sel(struct regulator_dev *= rdev) return val; } =20 +static int mp8859_set_voltage_time_sel(struct regulator_dev *rdev, + unsigned int from, unsigned int to) +{ + int change; + + /* The voltage ramps at 1mV/uS, selectors are 10mV */ + if (from > to) + change =3D from - to; + else + change =3D to - from; + + return change * 10 * 1000; +} + static unsigned int mp8859_get_mode(struct regulator_dev *rdev) { unsigned int val; @@ -220,6 +234,7 @@ static const struct regulator_ops mp8859_ops =3D { .set_voltage_sel =3D mp8859_set_voltage_sel, .get_voltage_sel =3D mp8859_get_voltage_sel, .list_voltage =3D regulator_list_voltage_linear_range, + .set_voltage_time_sel =3D mp8859_set_voltage_time_sel, .enable =3D regulator_enable_regmap, .disable =3D regulator_disable_regmap, .is_enabled =3D regulator_is_enabled_regmap, --=20 2.39.2