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[151.229.67.101]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-45a16dde163sm297645e9.12.2025.08.12.13.03.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 Aug 2025 13:03:53 -0700 (PDT) From: Prabhakar X-Google-Original-From: Prabhakar To: Geert Uytterhoeven , Magnus Damm , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Prabhakar , Biju Das , Fabrizio Castro , Prabhakar Subject: [PATCH 08/13] arm64: dts: renesas: r9a09g077m44-rzt2h-evk: Enable I2C0 and I2C1 support Date: Tue, 12 Aug 2025 21:03:39 +0100 Message-ID: <20250812200344.3253781-9-prabhakar.mahadev-lad.rj@bp.renesas.com> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250812200344.3253781-1-prabhakar.mahadev-lad.rj@bp.renesas.com> References: <20250812200344.3253781-1-prabhakar.mahadev-lad.rj@bp.renesas.com> 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" From: Lad Prabhakar Enable I2C0 and I2C1 on the RZ/T2H evaluation board. Signed-off-by: Lad Prabhakar Reviewed-by: Geert Uytterhoeven --- .../dts/renesas/r9a09g077m44-rzt2h-evk.dts | 34 +++++++++++++++++++ .../dts/renesas/rzt2h-n2h-evk-common.dtsi | 2 ++ 2 files changed, 36 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts b/arch/= arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts index a0cf01978f15..36e3b630727a 100644 --- a/arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts +++ b/arch/arm64/boot/dts/renesas/r9a09g077m44-rzt2h-evk.dts @@ -65,3 +65,37 @@ led8 { }; }; }; + +&i2c0 { + pinctrl-0 =3D <&i2c0_pins>; + pinctrl-names =3D "default"; + clock-frequency =3D <400000>; + status =3D "okay"; +}; + +&i2c1 { + pinctrl-0 =3D <&i2c1_pins>; + pinctrl-names =3D "default"; + clock-frequency =3D <400000>; + status =3D "okay"; +}; + +&pinctrl { + /* + * I2C0 Pin Configuration: + * ------------------------ + * Signal | Pin | SW6 + * -------|---------|-------------- + * SCL | P23_3 | 7: ON, 8: OFF + * SDA | P23_4 | 9: ON, 10: OFF + */ + i2c0_pins: i2c0-pins { + pinmux =3D , + ; + }; + + i2c1_pins: i2c1-pins { + pinmux =3D , /* SDA */ + ; /* SCL */ + }; +}; diff --git a/arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi b/arch/a= rm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi index 868abfdfd342..127e96395f8e 100644 --- a/arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi +++ b/arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi @@ -9,6 +9,8 @@ =20 / { aliases { + i2c0 =3D &i2c0; + i2c1 =3D &i2c1; serial0 =3D &sci0; }; =20 --=20 2.50.1