From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from hall.aurel32.net (hall.aurel32.net [195.154.119.183]) (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 AF846374A03; Sat, 20 Jun 2026 06:51:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=195.154.119.183 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781938274; cv=none; b=In+S+Mz02fYd/i6HS4EHpG+c0LO0tlFsE8vm1Kj9XJP6X5NDJd39MzqFTclgo6KL0AHMTgvizs2bsLmjF8aOL3UrwETg/SJDKT65u2NFIcILkEoAs91CHZIIvzJSj4IEAQt+z4f+J8yxgneYezpyDpjk9kzj+pkiOEkNyv8SztU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781938274; c=relaxed/simple; bh=VGP19Vy4Qqe3oYTM+IzdvTuhxv78jC4hx+lrVfuKK3A=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=bSlKD0tH6N5gfR+fJ+Yp8Ydpha23px2mqNLN0W+sdQAIADnmMRUruFw95kLzvQmLkjOzOJbZ8M3NjuTbMk9gYNOKMdhsitkpeq5S+tw7nTZUUPIWktrO/LBYsy/9j8W1mA02XvLMWBkZud0QvJe+mw07IveNaO07qAKUrYDJ70g= 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=u1RDWcrK; arc=none smtp.client-ip=195.154.119.183 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="u1RDWcrK" 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=Z782Pfe1Kf4eZ9GkQdSKkYALzPrTWhUboPjR6Ug9LSs=; b=u1RDWcrKi5sq21+gmqeDEGO0+p DhNA1+TQUNlUrprl2nt5tALVv5ykLBhS+fkAzIrxO1Ck7PXx050hDK6ODtxlyQnr8Z9iLLoPJPSq8 icrDzDrFCED8gYYfs8u5Q/rq6O9mFPRroYGd7vsnWBZnHYm3z1pLgq+j0bF4Oz2bJQew9kocKXV16 zgctLiSmq2NY5ACSjLVAyNpkd6xWhsI4JY98XDNLVRufuJyyyNlBdRfZoT34BUFiuMW5tMrnpflyL jQueh9d4E8CpvctLEsHylSsKvuF9bqb67ejhPlZQTY7bYU9pvANzBBbdzXEtytslWNlKaW58mwCm/ 0YJA38eA==; Received: from authenticated user by hall.aurel32.net with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1wap6T-000000006dZ-0qwP; Sat, 20 Jun 2026 08:22:53 +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 2/5] riscv: dts: spacemit: enable the i2c2 adapter on K3 Pico-ITX board Date: Sat, 20 Jun 2026 08:22:03 +0200 Message-ID: <20260620062238.3199108-3-aurelien@aurel32.net> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260620062238.3199108-1-aurelien@aurel32.net> References: <20260620062238.3199108-1-aurelien@aurel32.net> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Define I2C2 pinctrl properties, and enable it on the K3 Pico-ITX board. It will be used by the 24c02 eeprom. Signed-off-by: Aurelien Jarno --- arch/riscv/boot/dts/spacemit/k3-pico-itx.dts | 6 ++++++ arch/riscv/boot/dts/spacemit/k3-pinctrl.dtsi | 11 +++++++++++ 2 files changed, 17 insertions(+) diff --git a/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts b/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts index 509cebc0c9568..5fe9041ec5702 100644 --- a/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts +++ b/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts @@ -43,6 +43,12 @@ reg_aux_vcc5v: regulator-aux-vcc5v { }; }; +&i2c2 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c2_1_cfg>; + status = "okay"; +}; + &i2c8 { pinctrl-names = "default"; pinctrl-0 = <&i2c8_cfg>; diff --git a/arch/riscv/boot/dts/spacemit/k3-pinctrl.dtsi b/arch/riscv/boot/dts/spacemit/k3-pinctrl.dtsi index 3ee1471f37985..2017aa14fb424 100644 --- a/arch/riscv/boot/dts/spacemit/k3-pinctrl.dtsi +++ b/arch/riscv/boot/dts/spacemit/k3-pinctrl.dtsi @@ -78,6 +78,17 @@ gmac1-phy-0-pins { }; }; + /omit-if-no-ref/ + i2c2_1_cfg: i2c2-1-cfg { + i2c2-0-pins { + pinmux = , /* i2c2 scl */ + ; /* i2c2 sda */ + + bias-pull-up= <0>; + drive-strength = <25>; + }; + }; + /omit-if-no-ref/ i2c8_cfg: i2c8-cfg { i2c8-pins { -- 2.53.0