From nobody Fri Apr 3 03:15:50 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 136E138D00F; Wed, 25 Mar 2026 09:49:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774432200; cv=none; b=bBu6fLpkx/NfYOv0ZUNtA7kvRwKNgkn9CbqPDdu5eu1MRTgCv2bhDLIZ8vHkrMjtLHG0fIjcyir9ZkAZLkgKVsdlwT3saB46QFgoYvi3BJKMIHvJIWVYkU376uEUdcJcPjlc3VX4wofDMw8c9IRgqT9VOmHqyjvYJvbE/5wgcvo= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774432200; c=relaxed/simple; bh=X1k4Y4EE4YQHMjaQk+NB75V1fsruJnokoLSnoO0Mz44=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=QPOFYaR7ubLAVQmAn9QbXYnHmEGnVcSIQPFrRkHGrd1jByKPX4sEKyWVwtRG9j9L2pSFiDh9DHyktjbmA17uSwmr2lrPNVbibx71GdEnw6hzFQA/4rkRaB3QDai0/v73hHp3w2z8/r/7OafrlPUMLD5LH2md+2PkyPzdBmS19Yo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=XhgqgzL5; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="XhgqgzL5" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BAAD0C2BC9E; Wed, 25 Mar 2026 09:49:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774432199; bh=X1k4Y4EE4YQHMjaQk+NB75V1fsruJnokoLSnoO0Mz44=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=XhgqgzL50hIGhXpz4uMEVwMJkvcl+Pbi8YextVbKeMJSz5QmWv3qujNvSEcpoewr/ nbLcC6FgxuZGMiuVGXrFbHGhFc2yAbic5xrl8p6HcHRUpSIkToAgMWijJ4rUTOKpc8 xRrEBXOmBjwcvU+LdPcSbPMk1LEbCVpZ98Q/GGuuWfJxIAQKlZd9iHWrKWmDNOXYS4 1wdexkB4HDkdCyOzxPF1CHEr0mVR6+EzSGoijbw5kVcgWZMPpFLYz+NQNOcPl+tFyB fnmRy3/YNIbZLLTgeR1ZpC62SzJrvX0xhzCuxGIJlXiMIIzah0rxtZHdJlOubEA701 Yzh2N2i8sRbTQ== From: Yixun Lan Date: Wed, 25 Mar 2026 09:49:25 +0000 Subject: [PATCH 2/2] dts: riscv: spacemit: k3: Add i2c nodes Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260325-02-k3-i2c-v1-2-78f29c83d9ac@kernel.org> References: <20260325-02-k3-i2c-v1-0-78f29c83d9ac@kernel.org> In-Reply-To: <20260325-02-k3-i2c-v1-0-78f29c83d9ac@kernel.org> To: Andi Shyti , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Troy Mitchell Cc: linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org, Yixun Lan X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=4203; i=dlan@kernel.org; h=from:subject:message-id; bh=X1k4Y4EE4YQHMjaQk+NB75V1fsruJnokoLSnoO0Mz44=; b=owEB6QIW/ZANAwAKATGq6kdZTbvtAcsmYgBpw6+68B4Ynmk/4vmUI5pb9NNMYuq/KGssGHfec 64a8hi4ZcuJAq8EAAEKAJkWIQS1urjJwxtxFWcCI9wxqupHWU277QUCacOvuhsUgAAAAAAEAA5t YW51MiwyLjUrMS4xMSwyLDJfFIAAAAAALgAoaXNzdWVyLWZwckBub3RhdGlvbnMub3BlbnBncC5 maWZ0aGhvcnNlbWFuLm5ldEI1QkFCOEM5QzMxQjcxMTU2NzAyMjNEQzMxQUFFQTQ3NTk0REJCRU QACgkQMarqR1lNu+16Qg/+J/xjfwMHNZpV14qZa7xQXrQ2098qMROtZsPA1luX24RsYITtn+k+5 9nJqLfC5knQQnpye97T35CFzkpPAsCpIIG83kOnJMa/OLoCbxpW3KE400ooceT5v31UQKGmBd1a QT2DbExx98ybViap9BcShvLrtbv+TjiGIY/mOngjRLkjvTmCSJa/32JkjPMNOdjVqmbdbH9PYVN 7EWkEK+XOaZ/GUT5XBUYyAY3887WxpD4P6SVxRrocRVPx52hWbQhXdxbnmF0Vj0EF6R8KzmFYBc z2JZG5jogqWjEaK4oQ59++Q6Ice7MZrdQfBL/pN48tl6gP70UEexBEAhWjG4jIkYpj/ZYz0WLc6 O8C8R6f5YULYPiQT9K132JTNnNtyYZLs3L5P2TYH3n0iegaqlHaYwp4YEy6aU0vJEBpcnXyOtGT yFQyYSfkT/PiUsj4RYRCQQaQ8XKWJyS4GvEY2cHAmuQhGxbA59G/CZoliUOPQmiJUTfEmTjU4NZ ffS3UoLfwlLy8xy5OOrl2o4Q8MvU56rQmnbXBmdRgADDMswDhkfkgY0vvunMK3QRUPqvdsx0KFc HoZsIrro70rEy733o0yBngAfE7wT/ytMN1aQ+R7zLyp7LNuThRAZX75cNvKlmSGc1+hCTngO7yy Clrp5exweEXT3Th4yaltXgnFAJLjDA= X-Developer-Key: i=dlan@kernel.org; a=openpgp; fpr=50B03A1A5CBCD33576EF8CD7920C0DBCAABEFD55 Populate all I2C devicetree nodes for SpacemiT K3 SoC. Signed-off-by: Yixun Lan Reviewed-by: Troy Mitchell --- arch/riscv/boot/dts/spacemit/k3.dtsi | 98 ++++++++++++++++++++++++++++++++= ++++ 1 file changed, 98 insertions(+) diff --git a/arch/riscv/boot/dts/spacemit/k3.dtsi b/arch/riscv/boot/dts/spa= cemit/k3.dtsi index a3a8ceddabec..cab72591b7f1 100644 --- a/arch/riscv/boot/dts/spacemit/k3.dtsi +++ b/arch/riscv/boot/dts/spacemit/k3.dtsi @@ -438,6 +438,76 @@ soc: soc { dma-noncoherent; ranges; =20 + i2c0: i2c@d4010800 { + compatible =3D "spacemit,k3-i2c", "spacemit,k1-i2c"; + reg =3D <0x0 0xd4010800 0x0 0x38>; + #address-cells =3D <1>; + #size-cells =3D <0>; + interrupts =3D <36 IRQ_TYPE_LEVEL_HIGH>; + clocks =3D <&syscon_apbc CLK_APBC_TWSI0>, + <&syscon_apbc CLK_APBC_TWSI0_BUS>; + clock-names =3D "func", "bus"; + clock-frequency =3D <400000>; + resets =3D <&syscon_apbc RESET_APBC_TWSI0>; + status =3D "disabled"; + }; + + i2c1: i2c@d4011000 { + compatible =3D "spacemit,k3-i2c", "spacemit,k1-i2c"; + reg =3D <0x0 0xd4011000 0x0 0x38>; + #address-cells =3D <1>; + #size-cells =3D <0>; + interrupts =3D <37 IRQ_TYPE_LEVEL_HIGH>; + clocks =3D <&syscon_apbc CLK_APBC_TWSI1>, + <&syscon_apbc CLK_APBC_TWSI1_BUS>; + clock-names =3D "func", "bus"; + clock-frequency =3D <400000>; + resets =3D <&syscon_apbc RESET_APBC_TWSI1>; + status =3D "disabled"; + }; + + i2c2: i2c@d4012000 { + compatible =3D "spacemit,k3-i2c", "spacemit,k1-i2c"; + reg =3D <0x0 0xd4012000 0x0 0x38>; + #address-cells =3D <1>; + #size-cells =3D <0>; + interrupts =3D <38 IRQ_TYPE_LEVEL_HIGH>; + clocks =3D <&syscon_apbc CLK_APBC_TWSI2>, + <&syscon_apbc CLK_APBC_TWSI2_BUS>; + clock-names =3D "func", "bus"; + clock-frequency =3D <400000>; + resets =3D <&syscon_apbc RESET_APBC_TWSI2>; + status =3D "disabled"; + }; + + i2c4: i2c@d4012800 { + compatible =3D "spacemit,k3-i2c", "spacemit,k1-i2c"; + reg =3D <0x0 0xd4012800 0x0 0x38>; + #address-cells =3D <1>; + #size-cells =3D <0>; + interrupts =3D <40 IRQ_TYPE_LEVEL_HIGH>; + clocks =3D <&syscon_apbc CLK_APBC_TWSI4>, + <&syscon_apbc CLK_APBC_TWSI4_BUS>; + clock-names =3D "func", "bus"; + clock-frequency =3D <400000>; + resets =3D <&syscon_apbc RESET_APBC_TWSI4>; + status =3D "disabled"; + }; + + i2c5: i2c@d4013800 { + compatible =3D "spacemit,k3-i2c", "spacemit,k1-i2c"; + reg =3D <0x0 0xd4013800 0x0 0x38>; + #address-cells =3D <1>; + #size-cells =3D <0>; + interrupts =3D <41 IRQ_TYPE_LEVEL_HIGH>; + clocks =3D <&syscon_apbc CLK_APBC_TWSI5>, + <&syscon_apbc CLK_APBC_TWSI5_BUS>; + clock-names =3D "func", "bus"; + clock-frequency =3D <400000>; + resets =3D <&syscon_apbc RESET_APBC_TWSI5>; + status =3D "disabled"; + }; + syscon_apbc: system-controller@d4015000 { compatible =3D "spacemit,k3-syscon-apbc"; reg =3D <0x0 0xd4015000 0x0 0x1000>; @@ -564,6 +634,20 @@ uart9: serial@d4017800 { status =3D "disabled"; }; =20 + i2c6: i2c@d4018800 { + compatible =3D "spacemit,k3-i2c", "spacemit,k1-i2c"; + reg =3D <0x0 0xd4018800 0x0 0x38>; + #address-cells =3D <1>; + #size-cells =3D <0>; + interrupts =3D <70 IRQ_TYPE_LEVEL_HIGH>; + clocks =3D <&syscon_apbc CLK_APBC_TWSI6>, + <&syscon_apbc CLK_APBC_TWSI6_BUS>; + clock-names =3D "func", "bus"; + clock-frequency =3D <400000>; + resets =3D <&syscon_apbc RESET_APBC_TWSI6>; + status =3D "disabled"; + }; + gpio: gpio@d4019000 { compatible =3D "spacemit,k3-gpio"; reg =3D <0x0 0xd4019000 0x0 0x100>; @@ -582,6 +666,20 @@ gpio: gpio@d4019000 { <&pinctrl 3 0 96 32>; }; =20 + i2c8: i2c@d401d800 { + compatible =3D "spacemit,k3-i2c", "spacemit,k1-i2c"; + reg =3D <0x0 0xd401d800 0x0 0x38>; + #address-cells =3D <1>; + #size-cells =3D <0>; + interrupts =3D <19 IRQ_TYPE_LEVEL_HIGH>; + clocks =3D <&syscon_apbc CLK_APBC_TWSI8>, + <&syscon_apbc CLK_APBC_TWSI8_BUS>; + clock-names =3D "func", "bus"; + clock-frequency =3D <400000>; + resets =3D <&syscon_apbc RESET_APBC_TWSI8>; + status =3D "disabled"; + }; + pinctrl: pinctrl@d401e000 { compatible =3D "spacemit,k3-pinctrl"; reg =3D <0x0 0xd401e000 0x0 0x1000>; --=20 2.53.0