linux-arm-msm.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Loic Poulain <loic.poulain@linaro.org>,
	Manabu Igusa <migusa@arrowjapan.com>,
	Bjorn Andersson <bjorn.andersson@linaro.org>,
	Andy Gross <andy.gross@linaro.org>,
	Sasha Levin <sashal@kernel.org>,
	linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org
Subject: [PATCH AUTOSEL 4.19 112/671] arm64: dts: apq8016-sbc: Increase load on l11 for SDCARD
Date: Thu, 16 Jan 2020 11:45:43 -0500	[thread overview]
Message-ID: <20200116165502.8838-112-sashal@kernel.org> (raw)
In-Reply-To: <20200116165502.8838-1-sashal@kernel.org>

From: Loic Poulain <loic.poulain@linaro.org>

[ Upstream commit af61bef513ba179559e56908b8c465e587bc3890 ]

In the same way as for msm8974-hammerhead, l11 load, used for SDCARD
VMMC, needs to be increased in order to prevent any voltage drop issues
(due to limited current) happening with some SDCARDS or during specific
operations (e.g. write).

Tested on Dragonboard-410c and DART-SD410 boards.

Fixes: 4c7d53d16d77 (arm64: dts: apq8016-sbc: add regulators support)
Reported-by: Manabu Igusa <migusa@arrowjapan.com>
Signed-off-by: Loic Poulain <loic.poulain@linaro.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi b/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi
index 78ce3979ef09..f38b815e696d 100644
--- a/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi
+++ b/arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi
@@ -630,6 +630,8 @@
 	l11 {
 		regulator-min-microvolt = <1750000>;
 		regulator-max-microvolt = <3337000>;
+		regulator-allow-set-load;
+		regulator-system-load = <200000>;
 	};
 
 	l12 {
-- 
2.20.1


      parent reply	other threads:[~2020-01-16 16:58 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20200116165502.8838-1-sashal@kernel.org>
2020-01-16 16:44 ` [PATCH AUTOSEL 4.19 027/671] drm/msm: fix unsigned comparison with less than zero Sasha Levin
2020-01-16 16:45 ` [PATCH AUTOSEL 4.19 100/671] remoteproc: qcom: q6v5-mss: Add missing clocks for MSM8996 Sasha Levin
2020-01-16 16:45 ` [PATCH AUTOSEL 4.19 101/671] remoteproc: qcom: q6v5-mss: Add missing regulator " Sasha Levin
2020-01-16 16:45 ` Sasha Levin [this message]

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200116165502.8838-112-sashal@kernel.org \
    --to=sashal@kernel.org \
    --cc=andy.gross@linaro.org \
    --cc=bjorn.andersson@linaro.org \
    --cc=devicetree@vger.kernel.org \
    --cc=linux-arm-msm@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=loic.poulain@linaro.org \
    --cc=migusa@arrowjapan.com \
    --cc=stable@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).