From nobody Thu Oct 2 06:18:03 2025 Received: from hall.aurel32.net (hall.aurel32.net [195.154.113.88]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6ADCB2356D9; Sun, 21 Sep 2025 21:45:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=195.154.113.88 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758491145; cv=none; b=UL3EHdzp6uU2VTUjwnWxWtdiS5AV23Upep3cFfOZmuAopsy8KX6T5lOXtggrmqmozILjHsgUU7Vp4sEbUXxr6CegTnr+cd5EYnkGwEgf/aRgDd9Rmbx0wZpIzHTvyUL82LABU7J6ax8OjIP6Rk/If39OT8NhQP1ENyHNcdnRi2c= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758491145; c=relaxed/simple; bh=GiN8vzNbE/2rw0RjK4WQKhlSdVyJ+0EOVZcoVVCytec=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=nZP1b+NsH295dMxpjAZ17YKZx5b7imdXjeriMg7N09qRN8iPPFjfd/aDMCvzhATnmzJ8LzgNnEVEN6arK9kLPpm/zvKQZl51c11/IeKJ2OynKw/6Xs3CR092K9H0rSKzSXOtXZzKUcQVZG2Mqu6g5klIyJRqeCQIkOcX0i3Dluw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=aurel32.net; spf=pass smtp.mailfrom=aurel32.net; dkim=pass (2048-bit key) header.d=aurel32.net header.i=@aurel32.net header.b=U340dvpP; arc=none smtp.client-ip=195.154.113.88 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=aurel32.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=aurel32.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=aurel32.net header.i=@aurel32.net header.b="U340dvpP" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=aurel32.net ; s=202004.hall; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Content-Type:From:Reply-To: Subject:Content-ID:Content-Description:X-Debbugs-Cc; bh=YD4Voc8FBU0N9kAG+O8O976rZpeY6nJnOQhKE1mbL14=; b=U340dvpPaOCCnzI/Lay56FhnH0 e/iVfyazp6p4n+wLkNO1Utp78+6d3AGLQGIgfrAsfBWnajOVS1Uq1B7MZDMi+034Vgp6TVQa7Upbr t163zMgSJ8gpIMp/AFpjbcjYVYeFd80e9dmSZYnMV5hNi7emoRas4Qe+RTwfr2wAEX0TSLFIr99Go Gx3nZFArMwGMccIW2kgiJLht6S+4EIYndYsXjDq9rk4Q6BPPhxR2gc5v9xC+vkCGZ0pEvltz7RxDJ DShKq0v0KhEwi15TWmC1Dbai7FMqsgKDTv0PThxMNPqkqoLKC+wBChzzcqmct2NFwl+XBeKpzEZmV O/0sFj3g==; Received: from [2a01:e34:ec5d:a741:1ee1:92ff:feb4:5ec0] (helo=ohm.rr44.fr) by hall.aurel32.net with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1v0RCo-009LbI-14; Sun, 21 Sep 2025 23:02:46 +0200 From: Aurelien Jarno To: linux-kernel@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Yixun Lan Cc: Aurelien Jarno , devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-riscv@lists.infradead.org (open list:RISC-V ARCHITECTURE), spacemit@lists.linux.dev (open list:RISC-V SPACEMIT SoC Support) Subject: [PATCH 1/3] riscv: dts: spacemit: enable the i2c2 adapter on BPI-F3 Date: Sun, 21 Sep 2025 23:01:41 +0200 Message-ID: <20250921210237.943370-2-aurelien@aurel32.net> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250921210237.943370-1-aurelien@aurel32.net> References: <20250921210237.943370-1-aurelien@aurel32.net> 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" Define properties for the I2C adapter, and enable it on the BPI-F3. It will be used by the 24c02 eeprom. Signed-off-by: Aurelien Jarno --- arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts | 6 ++++++ arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi | 7 +++++++ arch/riscv/boot/dts/spacemit/k1.dtsi | 13 +++++++++++++ 3 files changed, 26 insertions(+) diff --git a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts b/arch/riscv/b= oot/dts/spacemit/k1-bananapi-f3.dts index 66375fd1e9974..3b6e4f52e9aad 100644 --- a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts +++ b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts @@ -111,6 +111,12 @@ rgmii1: phy@1 { }; }; =20 +&i2c2 { + pinctrl-0 =3D <&i2c2_0_cfg>; + pinctrl-names =3D "default"; + status =3D "okay"; +}; + &i2c8 { pinctrl-0 =3D <&i2c8_cfg>; pinctrl-names =3D "default"; diff --git a/arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi b/arch/riscv/boot= /dts/spacemit/k1-pinctrl.dtsi index c9e9a844d2b1c..d565882c46dd7 100644 --- a/arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi +++ b/arch/riscv/boot/dts/spacemit/k1-pinctrl.dtsi @@ -92,6 +92,13 @@ gmac1-pins { }; }; =20 + i2c2_0_cfg: i2c2-0-cfg { + i2c2-0-pins { + pinmux =3D , /* I2C2_SCL */ + ; /* I2C2_SDA */ + }; + }; + i2c8_cfg: i2c8-cfg { i2c8-0-pins { pinmux =3D , /* PWR_SCL */ diff --git a/arch/riscv/boot/dts/spacemit/k1.dtsi b/arch/riscv/boot/dts/spa= cemit/k1.dtsi index bc61a380baca8..d4f38ded52c93 100644 --- a/arch/riscv/boot/dts/spacemit/k1.dtsi +++ b/arch/riscv/boot/dts/spacemit/k1.dtsi @@ -497,6 +497,19 @@ pwm7: pwm@d401bc00 { status =3D "disabled"; }; =20 + i2c2: i2c@d4012000 { + compatible =3D "spacemit,k1-i2c"; + reg =3D <0x0 0xd4012000 0x0 0x38>; + #address-cells =3D <1>; + #size-cells =3D <0>; + clocks =3D <&syscon_apbc CLK_TWSI2>, + <&syscon_apbc CLK_TWSI2_BUS>; + clock-names =3D "func", "bus"; + clock-frequency =3D <400000>; + interrupts =3D <38>; + status =3D "disabled"; + }; + i2c8: i2c@d401d800 { compatible =3D "spacemit,k1-i2c"; reg =3D <0x0 0xd401d800 0x0 0x38>; --=20 2.47.2 From nobody Thu Oct 2 06:18:03 2025 Received: from hall.aurel32.net (hall.aurel32.net [195.154.113.88]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 697052D0607; 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Received: from [2a01:e34:ec5d:a741:1ee1:92ff:feb4:5ec0] (helo=ohm.rr44.fr) by hall.aurel32.net with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1v0RCp-009LbK-0U; Sun, 21 Sep 2025 23:02:47 +0200 From: Aurelien Jarno To: linux-kernel@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Yixun Lan Cc: Aurelien Jarno , devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-riscv@lists.infradead.org (open list:RISC-V ARCHITECTURE), spacemit@lists.linux.dev (open list:RISC-V SPACEMIT SoC Support) Subject: [PATCH 2/3] riscv: dts: spacemit: add 24c02 eeprom on BPI-F3 Date: Sun, 21 Sep 2025 23:01:42 +0200 Message-ID: <20250921210237.943370-3-aurelien@aurel32.net> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250921210237.943370-1-aurelien@aurel32.net> References: <20250921210237.943370-1-aurelien@aurel32.net> 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" The BPI-F3 contains a 24c02 eeprom, that contains among other things the MAC addresses of the two network interfaces. For this reason, mark it as read-only. Signed-off-by: Aurelien Jarno --- arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts b/arch/riscv/b= oot/dts/spacemit/k1-bananapi-f3.dts index 3b6e4f52e9aad..574d10fdf9b82 100644 --- a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts +++ b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts @@ -115,6 +115,15 @@ &i2c2 { pinctrl-0 =3D <&i2c2_0_cfg>; pinctrl-names =3D "default"; status =3D "okay"; + + eeprom@50 { + compatible =3D "atmel,24c02"; + reg =3D <0x50>; + vcc-supply =3D <&vcc1v8_sys>; + pagesize =3D <16>; + read-only; + size =3D <256>; + }; }; =20 &i2c8 { @@ -143,7 +152,7 @@ buck2 { regulator-always-on; }; =20 - buck3 { + vcc1v8_sys: buck3 { regulator-min-microvolt =3D <500000>; regulator-max-microvolt =3D <1800000>; regulator-ramp-delay =3D <5000>; --=20 2.47.2 From nobody Thu Oct 2 06:18:03 2025 Received: from hall.aurel32.net (hall.aurel32.net [195.154.113.88]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 004752D63F7; Sun, 21 Sep 2025 21:45:50 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=195.154.113.88 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758491152; cv=none; b=LhkYaPAQT9Mkz/7u0v5a4YrUS/h4mkfX+9PCOmSJHpP5jGem0lBFVNfxtKvadCQhYqZSWgDqEMs3NF15RmibDieF/lNerJ3MNt6biuTez6PZuh+ZGeGmekJeOuRIrdvrYugnpV25EJzjp/qzNqQ1/2r1kVwz4rffyIzGmz33Pkk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758491152; c=relaxed/simple; bh=o7eB8nx62ruqkZ1cisxZnkESzSSW5nwWcjDXVrj0fTo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=kXXLE77LRprS94vIhK61nHyoRN7N5/rhXaxsmiI3WRZD6/jy+2lutohnx2ork5It2CcTJFBnuqvNI9SFLUA4DpW+1Z/H9BU3oztFy8N9X/y3XRlWTet+/4VH981S2fNfYVdhDBkgpVdh7SUL6gRI2WAUMrZzb+y/xJIM1oqSIdY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=aurel32.net; spf=pass smtp.mailfrom=aurel32.net; dkim=pass (2048-bit key) header.d=aurel32.net header.i=@aurel32.net header.b=ahA6ZYhy; arc=none smtp.client-ip=195.154.113.88 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=aurel32.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=aurel32.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=aurel32.net header.i=@aurel32.net header.b="ahA6ZYhy" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=aurel32.net ; s=202004.hall; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Content-Type:From:Reply-To: Subject:Content-ID:Content-Description:X-Debbugs-Cc; bh=J6mm7ThCUa+BZCqJW1oZ8znjpYf3rY1SySZcweF1uO0=; b=ahA6ZYhyoOv7CDJB2kGvlQgCoY ifBRiDbpnK4t32Lx3+hn4chHV6m2q9ebDtstjuJabtvzeD6Q2vDZ6FT3fGvQtVIQKCSD31G7nW/m/ VbipN5TMw0eYmwTo1/qIQ1AWI4JCP3KbN5esjArjqO3ZAkWqUcdqCjv9XrROLHQnMs+Jv096CnitS nh1egHEpqtb4rJig94Nqsm7AhOx9RXmZ+KHz0YoHkhglFTPGGSWUTQqX5ErPaQZpd9Ii3N3HWbtFH +Ecwyqka6P27poKzrxVFPlco/QRmjgiirsk9chRmJnz6cTj2X5fu6dk4LC0Xr7d1Rpm/WGz6Y8KRX GR450Yyg==; Received: from [2a01:e34:ec5d:a741:1ee1:92ff:feb4:5ec0] (helo=ohm.rr44.fr) by hall.aurel32.net with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1v0RCr-009Lbu-1A; Sun, 21 Sep 2025 23:02:49 +0200 From: Aurelien Jarno To: linux-kernel@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Yixun Lan Cc: Aurelien Jarno , devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-riscv@lists.infradead.org (open list:RISC-V ARCHITECTURE), spacemit@lists.linux.dev (open list:RISC-V SPACEMIT SoC Support) Subject: [PATCH 3/3] riscv: dts: spacemit: add i2c aliases on BPI-F3 Date: Sun, 21 Sep 2025 23:01:43 +0200 Message-ID: <20250921210237.943370-4-aurelien@aurel32.net> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250921210237.943370-1-aurelien@aurel32.net> References: <20250921210237.943370-1-aurelien@aurel32.net> 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 i2c aliases for i2c2 and i2c8 on BPI-F3. This is useful to keep a stable number for the /dev entries after loading the i2c-dev module. Signed-off-by: Aurelien Jarno --- arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts b/arch/riscv/b= oot/dts/spacemit/k1-bananapi-f3.dts index 574d10fdf9b82..a71eaf1c65deb 100644 --- a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts +++ b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts @@ -14,6 +14,8 @@ aliases { ethernet0 =3D ð0; ethernet1 =3D ð1; serial0 =3D &uart0; + i2c2 =3D &i2c2; + i2c8 =3D &i2c8; }; =20 chosen { --=20 2.47.2