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@gmail.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:
- "Fixed" the formatting of 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 96662bf9e527..7696b147e7da 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

On 10/2/25 8:44 PM, Eric Gonçalves wrote:
> 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@gmail.com>
> ---

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>

Konrad

On Thu, Oct 02, 2025 at 06:44:59PM +0000, Eric Gonçalves wrote:
> 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@gmail.com>
> ---

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>


-- 
With best wishes
Dmitry