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([183.91.15.56]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-8249e8473fasm4295470b3a.55.2026.02.11.23.38.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Feb 2026 23:38:35 -0800 (PST) From: phucduc.bui@gmail.com To: geert+renesas@glider.be, magnus.damm@gmail.com Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, phucduc.bui@gmail.com Subject: [PATCH] arm: dts: renesas: r8a7740-armadillo800eva: Enable SDHI1 Date: Thu, 12 Feb 2026 14:38:18 +0700 Message-ID: <20260212073819.41304-1-phucduc.bui@gmail.com> X-Mailer: git-send-email 2.43.0 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: bui duc phuc The Armadillo800EVA board provides an SD card slot connected to the SDHI1 interface, but it is currently disabled in the device tree. Add a fixed 3.3V regulator, configure the required pinctrl groups, and enable the SDHI1 controller in 4-bit mode. Signed-off-by: bui duc phuc --- .../dts/renesas/r8a7740-armadillo800eva.dts | 25 +++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/arch/arm/boot/dts/renesas/r8a7740-armadillo800eva.dts b/arch/a= rm/boot/dts/renesas/r8a7740-armadillo800eva.dts index 04d24b6d8056..4838b285bdd9 100644 --- a/arch/arm/boot/dts/renesas/r8a7740-armadillo800eva.dts +++ b/arch/arm/boot/dts/renesas/r8a7740-armadillo800eva.dts @@ -65,6 +65,17 @@ vccq_sdhi0: regulator-vccq-sdhi0 { enable-active-high; }; =20 + vcc_sdhi1: regulator-vcc-sdhi1 { + compatible =3D "regulator-fixed"; + + regulator-name =3D "SDHI1 Vcc"; + regulator-min-microvolt =3D <3300000>; + regulator-max-microvolt =3D <3300000>; + + gpio =3D <&pfc 16 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + reg_5p0v: regulator-5p0v { compatible =3D "regulator-fixed"; regulator-name =3D "fixed-5.0V"; @@ -285,6 +296,11 @@ sdhi0_pins: sd0 { function =3D "sdhi0"; }; =20 + sdhi1_pins: sd1 { + groups =3D "sdhi1_data4", "sdhi1_ctrl", "sdhi1_cd", "sdhi1_wp"; + function =3D "sdhi1"; + }; + fsia_pins: sounda { groups =3D "fsia_sclk_in", "fsia_mclk_out", "fsia_data_in_1", "fsia_data_out_0"; @@ -336,6 +352,15 @@ &sdhi0 { status =3D "okay"; }; =20 +&sdhi1 { + pinctrl-0 =3D <&sdhi1_pins>; + pinctrl-names =3D "default"; + + vmmc-supply =3D <&vcc_sdhi1>; + bus-width =3D <4>; + status =3D "okay"; +}; + &sh_fsi2 { pinctrl-0 =3D <&fsia_pins>; pinctrl-names =3D "default"; --=20 2.43.0