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[153.246.134.248]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-29dae4cf9acsm163206575ad.28.2025.12.09.17.05.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 09 Dec 2025 17:05:52 -0800 (PST) From: Luca Weiss Date: Wed, 10 Dec 2025 10:05:30 +0900 Subject: [PATCH 4/4] arm64: dts: qcom: sm7225-fairphone-fp4: Enable CCI pull-up 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: <20251210-fp4-cam-prep-v1-4-0eacbff271ec@fairphone.com> References: <20251210-fp4-cam-prep-v1-0-0eacbff271ec@fairphone.com> In-Reply-To: <20251210-fp4-cam-prep-v1-0-0eacbff271ec@fairphone.com> To: Bartosz Golaszewski , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio Cc: ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Luca Weiss X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1765328733; l=849; i=luca.weiss@fairphone.com; s=20250611; h=from:subject:message-id; bh=YrhnGu6LmehfwdHWZT1BvVNTtQV3ilK14SnRP9mcbNo=; b=AFvm4GlaLB5Ro70RBGcv4FBtSlxqZF8no6mQgOBUDV58EFGYhTnlZsfcbG7WG30/nN8juNWMB ExtfsAk+Q9IA6lIFRs9nByaEgZp54yR8DdLL/Blbq53LMTqwveKp2MG X-Developer-Key: i=luca.weiss@fairphone.com; a=ed25519; pk=O1aw+AAust5lEmgrNJ1Bs7PTY0fEsJm+mdkjExA69q8= Enable vreg_l6p, which is the voltage source for the pull-up resistor of the CCI busses. This ensures that I2C communication works as expected. Signed-off-by: Luca Weiss Reviewed-by: Konrad Dybcio --- arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts b/arch/arm64= /boot/dts/qcom/sm7225-fairphone-fp4.dts index 0cfb24e3941d..a3c2b26736f4 100644 --- a/arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts +++ b/arch/arm64/boot/dts/qcom/sm7225-fairphone-fp4.dts @@ -693,6 +693,8 @@ vreg_l6p: ldo6 { regulator-name =3D "vreg_l6p"; regulator-min-microvolt =3D <1500000>; regulator-max-microvolt =3D <1800000>; + /* Pull-up for CCI I2C busses */ + regulator-always-on; }; =20 vreg_l7p: ldo7 { --=20 2.52.0