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Wed, 04 Dec 2024 06:00:32 -0800 (PST) From: Alexey Klimov To: andersson@kernel.org, konradybcio@kernel.org, linux-arm-msm@vger.kernel.org Cc: linux-sound@vger.kernel.org, srinivas.kandagatla@linaro.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, devicetree@vger.kernel.org, dmitry.baryshkov@linaro.org, krzysztof.kozlowski@linaro.org, caleb.connolly@linaro.org, a39.skl@gmail.com, konrad.dybcio@oss.qualcomm.com, linux-kernel@vger.kernel.org Subject: [PATCH v6 3/4] arm64: dts: qcom: sm4250: add LPASS LPI pin controller Date: Wed, 4 Dec 2024 14:00:26 +0000 Message-ID: <20241204140027.2198763-4-alexey.klimov@linaro.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241204140027.2198763-1-alexey.klimov@linaro.org> References: <20241204140027.2198763-1-alexey.klimov@linaro.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add the Low Power Audio SubSystem Low Power Island (LPASS LPI) pin controller device node required for audio subsystem on Qualcomm QRB4210 RB2. QRB4210 is based on sm4250 which has a slightly different lpass pin controller comparing to sm6115. While at this, also add description of lpi_i2s2 pins (active state) required for audio playback via HDMI. Cc: Srinivas Kandagatla Reviewed-by: Dmitry Baryshkov Signed-off-by: Alexey Klimov --- arch/arm64/boot/dts/qcom/sm4250.dtsi | 39 ++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sm4250.dtsi b/arch/arm64/boot/dts/qco= m/sm4250.dtsi index a0ed61925e12..cd8c8e59976e 100644 --- a/arch/arm64/boot/dts/qcom/sm4250.dtsi +++ b/arch/arm64/boot/dts/qcom/sm4250.dtsi @@ -36,3 +36,42 @@ &cpu6 { &cpu7 { compatible =3D "qcom,kryo240"; }; + +&lpass_tlmm { + compatible =3D "qcom,sm4250-lpass-lpi-pinctrl"; + gpio-ranges =3D <&lpass_tlmm 0 0 27>; + + lpi_i2s2_active: lpi-i2s2-active-state { + sck-pins { + pins =3D "gpio10"; + function =3D "i2s2_clk"; + bias-disable; + drive-strength =3D <8>; + output-high; + }; + + ws-pins { + pins =3D "gpio11"; + function =3D "i2s2_ws"; + bias-disable; + drive-strength =3D <8>; + output-high; + }; + + data-pins { + pins =3D "gpio12"; + function =3D "i2s2_data"; + bias-disable; + drive-strength =3D <8>; + output-high; + }; + + ext-mclk1-pins { + pins =3D "gpio18"; + function =3D "ext_mclk1_a"; + bias-disable; + drive-strength =3D <16>; + output-high; + }; + }; +}; --=20 2.45.2