linux-kernel - [PATCH v3 2/2] arm64: dts: qcom: sc7180: SD-card GPIO pin set bias-pull up

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Message-Id: <20210602121313.v3.2.I52f30ddfe62041b7e6c3c362f0ad8f695ac28224@changeid>
Date:   Wed,  2 Jun 2021 12:13:41 -0700
From:   Sujit Kautkar <sujitka@...omium.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>
Cc:     Sibi Sankar <sibis@...eaurora.org>,
        Doug Anderson <dianders@...omium.org>,
        Rajendra Nayak <rnayak@...eaurora.org>,
        Sujit Kautkar <sujitka@...omium.org>,
        Mark Rutland <mark.rutland@....com>,
        devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v3 2/2] arm64: dts: qcom: sc7180: SD-card GPIO pin set bias-pull up

Some SC7180 based board do not have external pull-up for cd-gpio.
Set this pin to internal pull-up for sleep config to avoid frequent
regulator toggle events.

Signed-off-by: Sujit Kautkar <sujitka@...omium.org>
---

Changes in v3:
- remove 'trogdor' from commit message
- move reference patch from commit message

Changes in v2:
- added pull-up for IDP

This change is with reference to Qualcomm's DT change posted at:
https://patchwork.kernel.org/patch/11675347/

 arch/arm64/boot/dts/qcom/sc7180-idp.dts      | 2 +-
 arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/qcom/sc7180-idp.dts b/arch/arm64/boot/dts/qcom/sc7180-idp.dts
index 07133e0af581a..0c255edb7f3c3 100644
--- a/arch/arm64/boot/dts/qcom/sc7180-idp.dts
+++ b/arch/arm64/boot/dts/qcom/sc7180-idp.dts
@@ -696,7 +696,7 @@ pinconf-data {
 
 		pinconf-sd-cd {
 			pins = "gpio69";
-			bias-disable;
+			bias-pull-up;
 			drive-strength = <2>;
 		};
 	};
diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
index d128a0ed6ad3a..330deb4967ca2 100644
--- a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi
@@ -1638,7 +1638,7 @@ pinconf-data {
 
 		pinconf-sd-cd {
 			pins = "gpio69";
-			bias-disable;
+			bias-pull-up;
 			drive-strength = <2>;
 		};
 	};
-- 
2.32.0.rc0.204.g9fa02ecfa5-goog