From nobody Wed Oct 1 22:37:31 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 65B6B2DF68; Fri, 26 Sep 2025 17:58:49 +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=1758909532; cv=none; b=NQH5Cg7J8nB/0tjtbcM4G+SbPP9+AyP1hU1IwMLvHpiRNncJhxK0xTcsHKuKABUWPVFz5r0Wf3uDAi/N6KdKtUO8BiLEHOF3nbQI3Wt3Qepw2/lSWeTPwzE/binnI5wjEgdf5N1WkoUK4cHFkvi+Sb/Otd4Exj4m/VwsiXeRbiQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758909532; c=relaxed/simple; bh=YhJ9qZhv5N4hcSya2feM7KsSM6xBvnTbqFFCd86Lv20=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=OztcuUd8oZIe5e6H/4Y4oHzJs0vv9cIogEgYJmfe2StVLqOhnJEI+HIzENchU1tBp69KQLFt3j7N2JDM75x50DHL9wm0sQwG2zUKFqLsIl59xVYm4fgJhVIVHlRdBlCDMCOOncMhyF6JR0Humk3gMyEVT33X9wMGJvkdkGT1hNc= 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=hL3g/yeF; 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="hL3g/yeF" 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=rDfPxbH8etVG3SibKBYPPHLX/VPpgi1sHW77GO1UmzI=; b=hL3g/yeFst2yFZ3o5kBW4DoMbN q4RQdoOQhBQAOoS1/RP/OvdOekwjxtS/ZK7dDc/sJz1QWbHqeee0+QCW+7mdm3sY++ObP1DLs8Rra oKa0DWIKvmn92Z0lUMC+qzZNTBvCMKit9W94IEjOqbXzEg6dowmZ/MyprnwEZfSc7wnPGgLcCIJ0b s1cmReSE6n/2j3RoTusXNZyxwJUD+cgLQyocpHz/s6ZBB4/O474ZxgGrvx5pvHcgKxQdazxywag/J oG+d1anGizTbF2SI3vjqwv1mwPSyLWVrRsau3hNXy4fbZo2NxAYX4RFZVSDZwuAPZ+OVi5p0GQdml 5ZPaRX+w==; 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 1v2CiP-00GPWI-1A; Fri, 26 Sep 2025 19:58:41 +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 , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , "open list:RISC-V ARCHITECTURE" , "open list:RISC-V SPACEMIT SoC Support" Subject: [PATCH v3 1/3] riscv: dts: spacemit: enable the i2c2 adapter on BPI-F3 Date: Fri, 26 Sep 2025 19:54:37 +0200 Message-ID: <20250926175833.3048516-2-aurelien@aurel32.net> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250926175833.3048516-1-aurelien@aurel32.net> References: <20250926175833.3048516-1-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 Reviewed-by: Troy Mitchell Reviewed-by: Vivian Wang Reviewed-by: Yixun Lan --- v2: Revert the name change for i2c2-0-cfg and i2c2-0-pins, the second cell is not a function number, but an index. 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 Wed Oct 1 22:37:31 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 65BE1266B40; 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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 1v2CiP-00GPWM-1b; Fri, 26 Sep 2025 19:58:41 +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 , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , "open list:RISC-V ARCHITECTURE" , "open list:RISC-V SPACEMIT SoC Support" Subject: [PATCH v3 2/3] riscv: dts: spacemit: add 24c02 eeprom on BPI-F3 Date: Fri, 26 Sep 2025 19:54:38 +0200 Message-ID: <20250926175833.3048516-3-aurelien@aurel32.net> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250926175833.3048516-1-aurelien@aurel32.net> References: <20250926175833.3048516-1-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 board includes a 24c02 eeprom, that stores the MAC addresses of the two network interfaces and the board's serial number. These values are also exposed via an onie,tlv-layout nvmem layout. The eeprom is marked as read-only since its contents are not supposed to be modified. Signed-off-by: Aurelien Jarno Reviewed-by: Troy Mitchell Reviewed-by: Vivian Wang Reviewed-by: Yixun Lan --- v2: no change=20 .../boot/dts/spacemit/k1-bananapi-f3.dts | 25 ++++++++++++++++++- 1 file changed, 24 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..de10b1cb00aee 100644 --- a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts +++ b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts @@ -115,6 +115,29 @@ &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 <&buck3_1v8>; /* EEPROM_VCC1V8 */ + pagesize =3D <16>; + read-only; + size =3D <256>; + + nvmem-layout { + compatible =3D "onie,tlv-layout"; + + mac-address { + #nvmem-cell-cells =3D <1>; + }; + + num-macs { + }; + + serial-number { + }; + }; + }; }; =20 &i2c8 { @@ -143,7 +166,7 @@ buck2 { regulator-always-on; }; =20 - buck3 { + buck3_1v8: buck3 { regulator-min-microvolt =3D <500000>; regulator-max-microvolt =3D <1800000>; regulator-ramp-delay =3D <5000>; --=20 2.47.2 From nobody Wed Oct 1 22:37:31 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 65C502FFDDC; Fri, 26 Sep 2025 17:58:49 +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=1758909531; cv=none; b=F9vCU1gSgJ//hrW0j5HzigEPIgrD9NWbBralcQj53yJwLSM3h3L1Dr4NepEcGgCzXi/B3HI8FWqAbNxmKIj66gCXuDe0GBaLgIyEJmNsm4UBeEcHRPL2cGhRg+3+jUtE+L4LCuY4xLEA+uLFKf03Cgh2S5mfaaKoExE3fOoyAKg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758909531; c=relaxed/simple; bh=LG69madij41ZMMW1hx8tvlvRGKIWzgQJUyjUCaWOvD4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=PKu9gNiRCWXxFIxGe8mxcAi5KNBEz9wdd+WtbmeXCKaklJy9bFZd5o9g4w42mN01jaCnsMQDcMGe4bizLuj8QqLfmFzzKbmK5S3rDz61exDUjD3a1MfiKRUvUdYq8/XkC74/Ovp4SLCyfX2Rkz/BHuP7FgV/IKfYNyspZRNVUJg= 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=e7PBS4jK; 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="e7PBS4jK" 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=EEu7biapiBdas8cXmb0lL5a6fqTpV61Rsm04KjOmPZ0=; b=e7PBS4jK5y+nVjufE9if/QA2Wl WMw/HnzaZ0e4vrH3DYSgD1qwvMv+Zydm9u1ozl0sTDhZezh5VHEKOtoLkRdUTmtm80MNNHAl/DMWU uyWznoKgaswHn7B4aa3mOTc52vV+blasH77Bm1H2zr2cTdqEDM50X1QXgZL9QENfgsC7S9jhVMp9Q XTMMmyPsmd+4URvm1rHJTIK5di6JP4343DCdels9wKSwi89OCNNc3S6iTyW6fbBjLPqjyPEZP1KxP H79Eh8FPaxpEdwq9Skcg+Vui5I5jH8NBc3dGTGxFI+ayufQe5sJK5DGg/cy4KRR6ydO+EMMghNNn5 D/9PeExA==; 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 1v2CiP-00GPWP-31; Fri, 26 Sep 2025 19:58:41 +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 , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , "open list:RISC-V ARCHITECTURE" , "open list:RISC-V SPACEMIT SoC Support" Subject: [PATCH v3 3/3] riscv: dts: spacemit: add i2c aliases on BPI-F3 Date: Fri, 26 Sep 2025 19:54:39 +0200 Message-ID: <20250926175833.3048516-4-aurelien@aurel32.net> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250926175833.3048516-1-aurelien@aurel32.net> References: <20250926175833.3048516-1-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 Reviewed-by: Troy Mitchell Reviewed-by: Vivian Wang Reviewed-by: Yixun Lan --- v2: no change=20 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 de10b1cb00aee..3a01ffe92c0f0 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