linux-kernel - [RESEND PATCH v4] arm64: dts: qcom: sm8250-samsung-common: correct reserved pins

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Message-ID: <20251016202129.226449-1-ghatto404@gmail.com>
Date: Thu, 16 Oct 2025 16:21:29 -0400
From: Eric Gonçalves <ghatto404@...il.com>
To: Krzysztof Kozlowski <krzk@...nel.org>,
	Bjorn Andersson <andersson@...nel.org>,
	Konrad Dybcio <konradybcio@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [RESEND PATCH v4] arm64: dts: qcom: sm8250-samsung-common: correct reserved pins

The S20 series has additional reserved pins for the fingerprint sensor,
GPIO 20-23. Correct it by adding them into gpio-reserved-ranges.

Fixes: 6657fe9e9f23 ("arm64: dts: qcom: add initial support for Samsung Galaxy S20 FE")
Signed-off-by: Eric Gonçalves <ghatto404@...il.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
---
Changes in v4:
- Removed accidental , instead of ; in the last line

Changes in v3:
- Actually fixed <40 4> indentation
Sorry, I still had my editor on 4 spaces a tab

Changes in v2:
- Properly format the <40 4> line
- Added Fixes tag
---
 arch/arm64/boot/dts/qcom/sm8250-samsung-common.dtsi | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/sm8250-samsung-common.dtsi b/arch/arm64/boot/dts/qcom/sm8250-samsung-common.dtsi
index cf3d917addd8..ef7ea4f72bf9 100644
--- a/arch/arm64/boot/dts/qcom/sm8250-samsung-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8250-samsung-common.dtsi
@@ -159,7 +159,8 @@ &pon_resin {
 };
 
 &tlmm {
-	gpio-reserved-ranges = <40 4>; /* I2C (Unused) */
+	gpio-reserved-ranges = <20 4>, /* SPI (fingerprint scanner) */
+			       <40 4>; /* Unused */
 };
 
 &usb_1 {
-- 
2.51.0