From nobody Wed Apr 8 02:50:18 2026 Received: from cstnet.cn (smtp81.cstnet.cn [159.226.251.81]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 246FA3C0634; Tue, 10 Mar 2026 16:19:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.81 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773159554; cv=none; b=BEnkd4oRmTEd0r0lz+h0+AGb9u1k+JqV005rsonRnfGLmCjCaIqIRAuVrMLgI1me5SsXwEBWiXpsApkwzQZ3+L+1zVExnpK7bKXLSjPiJJYD40y3eEUG5fz70wQj2xmenKxXPx6hqIKR0+9e8cOyGxNjV+uTp2l+KC+svPkaR+U= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773159554; c=relaxed/simple; bh=jpwxRVLKPoVZv9Fo4wEaj2y+VUHAF/4aKGEQRzoJzpY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=rJzcdKY1jmDsa6uq6XPe3/6gI5DRiJQg9Bwq7kGrbYnF7zC8B0+DLIAXP213uGLURfkY7AgDwh5CKv0xkVUgtef769UrqF57pxrnxxREhG6JtlrBKEmH/psgTnVLslk40mmsvUUOVgMOakm05DUXu+EQ2lk6bVC8hfrYUpVVqik= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn; spf=pass smtp.mailfrom=iscas.ac.cn; arc=none smtp.client-ip=159.226.251.81 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=iscas.ac.cn Received: from localhost.localdomain (unknown [223.166.92.103]) by APP-03 (Coremail) with SMTP id rQCowAB3lNtwRLBpMRBECg--.1611S3; Wed, 11 Mar 2026 00:18:58 +0800 (CST) From: Han Gao To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Yixun Lan , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti Cc: devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org, Han Gao , Han Gao Subject: [PATCH v2 1/4] riscv: dts: spacemit: Enable i2c8 adapter for OrangePi RV2 Date: Wed, 11 Mar 2026 00:18:50 +0800 Message-ID: <20260310161853.3900605-2-gaohan@iscas.ac.cn> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260310161853.3900605-1-gaohan@iscas.ac.cn> References: <20260310161853.3900605-1-gaohan@iscas.ac.cn> 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 X-CM-TRANSID: rQCowAB3lNtwRLBpMRBECg--.1611S3 X-Coremail-Antispam: 1UD129KBjvdXoW7Xry5AF4DWFyxCFyDZFyxZrb_yoW3GrX_CF 13Gay0vFyUGFWvkFnrXr1rtayxu3y5KrWSywnaqr1UGasYgrWrKFWUKF4kJw1rurWYvrW3 Jw48tFyxJwnIkjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbk8FF20E14v26rWj6s0DM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUGwA2048vs2IY02 0Ec7CjxVAFwI0_Gr0_Xr1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxSw2x7M28EF7xv wVC0I7IYx2IY67AKxVW8JVW5JwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwA2z4 x0Y4vEx4A2jsIE14v26r4j6F4UM28EF7xvwVC2z280aVCY1x0267AKxVW8JVW8Jr1le2I2 62IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI8IcV AFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG 0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lFIxGxcIEc7CjxVA2Y2ka0xkIwI 1lc7CjxVAaw2AFwI0_Jw0_GFyl42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_ Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17 CE14v26r1q6r43MIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAIcVC0 I7IYx2IY6xkF7I0E14v26r4j6F4UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I 8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWIevJa73 UjIFyTuYvjfU8XdbUUUUU X-CM-SenderInfo: xjdrxt3q6l2u1dvotugofq/1tbiBwoCDGmwM1ktHQAAsA Content-Type: text/plain; charset="utf-8" The adapter is used to access the SpacemiT P1 PMIC present in this board. Signed-off-by: Han Gao --- arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts b/arch/riscv/= boot/dts/spacemit/k1-orangepi-rv2.dts index 7b7331cb3c72..93880ba7bdfe 100644 --- a/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts +++ b/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts @@ -87,6 +87,12 @@ &pdma { status =3D "okay"; }; =20 +&i2c8 { + pinctrl-0 =3D <&i2c8_cfg>; + pinctrl-names =3D "default"; + status =3D "okay"; +}; + &uart0 { pinctrl-names =3D "default"; pinctrl-0 =3D <&uart0_2_cfg>; --=20 2.47.3 From nobody Wed Apr 8 02:50:18 2026 Received: from cstnet.cn (smtp81.cstnet.cn [159.226.251.81]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E8E983C0609; Tue, 10 Mar 2026 16:19:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.81 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773159555; cv=none; b=JSgA4ldrKKMS22O4mIgfequChm2CjKr7o3DGC3rX1tVBUFdWMAXBfeFX9iCq1SHnqae5Ch1lo63fkRXij/DCCveh5H250m1kifGRpJ75JJ+p/KDqDGHAYi8DGtPwgU6twjU541+zeuJryYg2BB5JSv5CJAAyDOfcfhsfch3vbJM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773159555; c=relaxed/simple; bh=xtsw770TYp9f7r7LDFCqiHOpTEk4M8gcUU3iQDuyJk0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=sTEGbtsCgMwDEXTwpmtjksd9hqnYObXXEc2VggoanaQ5weQedVyeh+bNW/tBgfwCjQKfzOvaq1MLP+NT+IjNk1/xmS+6pI5uxfcmW7kSw+3RttI3o3JJ0T4HkOqdYcmHgZluBnsjawoXYVtsjjsMyMoEd0QkeSqt5U++6tsfrsk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn; spf=pass smtp.mailfrom=iscas.ac.cn; arc=none smtp.client-ip=159.226.251.81 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=iscas.ac.cn Received: from localhost.localdomain (unknown [223.166.92.103]) by APP-03 (Coremail) with SMTP id rQCowAB3lNtwRLBpMRBECg--.1611S4; Wed, 11 Mar 2026 00:18:58 +0800 (CST) From: Han Gao To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Yixun Lan , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti Cc: devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org, Han Gao , Han Gao Subject: [PATCH v2 2/4] riscv: dts: spacemit: Define fixed regulators for OrangePi RV2 Date: Wed, 11 Mar 2026 00:18:51 +0800 Message-ID: <20260310161853.3900605-3-gaohan@iscas.ac.cn> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260310161853.3900605-1-gaohan@iscas.ac.cn> References: <20260310161853.3900605-1-gaohan@iscas.ac.cn> 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 X-CM-TRANSID: rQCowAB3lNtwRLBpMRBECg--.1611S4 X-Coremail-Antispam: 1UD129KBjvdXoW7Wr1rZw4UXF4fAF1DtFyftFb_yoWkCFc_Cr y3Ga4SqFWxXF4DKF93tFZY9ry5W39a9a13Xrs7Wr4UG3Z5Zan7J3ZrJry0yr4UGw4YgF9x ZF42vr48AF1YgjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbkxFF20E14v26rWj6s0DM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUXwA2048vs2IY02 0Ec7CjxVAFwI0_Xr0E3s1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxSw2x7M28EF7xv wVC0I7IYx2IY67AKxVW8JVW5JwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxVWxJVW8Jr1l84 ACjcxK6I8E87Iv67AKxVW8JVWxJwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UM2AI xVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20x vE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xv r2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7M4IIrI8v6xkF7I0E8cxan2IY04 v7MxkF7I0En4kS14v26r1q6r43MxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j 6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7 AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE 2Ix0cI8IcVCY1x0267AKxVW8JVWxJwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcV C2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2Kfnx nUUI43ZEXa7VUbH5lUUUUUU== X-CM-SenderInfo: xjdrxt3q6l2u1dvotugofq/1tbiBgwCDGmwMqQv5gAAsC Content-Type: text/plain; charset="utf-8" Define the DC power input and the 4v power as fixed regulator supplies. Signed-off-by: Han Gao --- .../boot/dts/spacemit/k1-orangepi-rv2.dts | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts b/arch/riscv/= boot/dts/spacemit/k1-orangepi-rv2.dts index 93880ba7bdfe..55b3d8d7f7f1 100644 --- a/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts +++ b/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts @@ -23,6 +23,25 @@ chosen { stdout-path =3D "serial0"; }; =20 + reg_dc_in: regulator-dc-in-12v { + compatible =3D "regulator-fixed"; + regulator-name =3D "dc_in_12v"; + regulator-min-microvolt =3D <12000000>; + regulator-max-microvolt =3D <12000000>; + regulator-boot-on; + regulator-always-on; + }; + + reg_vcc_4v: regulator-vcc-4v { + compatible =3D "regulator-fixed"; + regulator-name =3D "vcc_4v"; + regulator-min-microvolt =3D <4000000>; + regulator-max-microvolt =3D <4000000>; + regulator-boot-on; + regulator-always-on; + vin-supply =3D <®_dc_in>; + }; + leds { compatible =3D "gpio-leds"; =20 --=20 2.47.3 From nobody Wed Apr 8 02:50:18 2026 Received: from cstnet.cn (smtp81.cstnet.cn [159.226.251.81]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8255C3C062B; Tue, 10 Mar 2026 16:19:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.81 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773159555; cv=none; b=oR21a2zSMg93fw8lOxCyfqbNEDWD3vM/H2B+NLtzoWIvfhIm0aDr6Ihf4L21O5Byd3gmVEmon/eBM+WW+HSN+QkGFYVmdpP2sthOiwA0y4smbMfGtulmpExDs5YPhStfJywjlgVvEr2syv6qPtQ9QTXcQ9u9yKKboDJwMW6XhGE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773159555; c=relaxed/simple; bh=21dwgAH4qQBugUo1wjEZw9QTVlNB9jXlrX2gwyj/3/M=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=XUqsjIenrBJUVzkJN7mCAWKqqW24SWn9TA89EIImQ6JRHsznSMQ0pxh9Bq8AAgetaJkSCQBXxcz6JH27U0UBxqUnhbLFi897JUhtaNDgrZvzlwBTF1I7r/Usgt8tToOAVoR0LO2cJsyXSRSlAkoscrOck5n7dh5HnHecYh4rwWo= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn; spf=pass smtp.mailfrom=iscas.ac.cn; arc=none smtp.client-ip=159.226.251.81 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=iscas.ac.cn Received: from localhost.localdomain (unknown [223.166.92.103]) by APP-03 (Coremail) with SMTP id rQCowAB3lNtwRLBpMRBECg--.1611S5; Wed, 11 Mar 2026 00:18:59 +0800 (CST) From: Han Gao To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Yixun Lan , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti Cc: devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org, Han Gao , Han Gao Subject: [PATCH v2 3/4] riscv: dts: spacemit: Define the P1 PMIC regulators for OrangePi RV2 Date: Wed, 11 Mar 2026 00:18:52 +0800 Message-ID: <20260310161853.3900605-4-gaohan@iscas.ac.cn> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260310161853.3900605-1-gaohan@iscas.ac.cn> References: <20260310161853.3900605-1-gaohan@iscas.ac.cn> 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 X-CM-TRANSID: rQCowAB3lNtwRLBpMRBECg--.1611S5 X-Coremail-Antispam: 1UD129KBjvJXoWxXFykAFy7Gr13uF45ZFyDGFg_yoW5uF48pa 15XFsxursYkFyxJw45Ww1xta15Wr1Fka93uryvkrWrArW0yFnFkr9rAr1rt3W8JF4kZw4Y yrW7uFy8tF1Ig3DanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUmY14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_JrWl82xGYIkIc2 x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2z4x0 Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Cr0_Gr1UM2 8EF7xvwVC2z280aVAFwI0_Gr0_Cr1l84ACjcxK6I8E87Iv6xkF7I0E14v26r4j6r4UJwAS 0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2 IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0 Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwACI402YVCY1x02628vn2kIc2 xKxwCY1x0262kKe7AKxVWUtVW8ZwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWU JVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67 kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY 6xIIjxv20xvEc7CjxVAFwI0_Cr0_Gr1UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42 IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWIev Ja73UjIFyTuYvjfUO_MaUUUUU X-CM-SenderInfo: xjdrxt3q6l2u1dvotugofq/1tbiBgoCDGmwMqQv6AAAsK Content-Type: text/plain; charset="utf-8" Define the SpacemiT P1 PMIC voltage regulators and their constraints. The power management hardware design on the OrangePi RV2 is identical to the Banana Pi BPI-F3, so the DT Nodes were taken from k1-bananapi-f3.dts. Signed-off-by: Han Gao --- .../boot/dts/spacemit/k1-orangepi-rv2.dts | 118 ++++++++++++++++++ 1 file changed, 118 insertions(+) diff --git a/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts b/arch/riscv/= boot/dts/spacemit/k1-orangepi-rv2.dts index 55b3d8d7f7f1..1f08a2713345 100644 --- a/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts +++ b/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts @@ -110,6 +110,124 @@ &i2c8 { pinctrl-0 =3D <&i2c8_cfg>; pinctrl-names =3D "default"; status =3D "okay"; + + pmic@41 { + compatible =3D "spacemit,p1"; + reg =3D <0x41>; + interrupts =3D <64>; + vin1-supply =3D <®_vcc_4v>; + vin2-supply =3D <®_vcc_4v>; + vin3-supply =3D <®_vcc_4v>; + vin4-supply =3D <®_vcc_4v>; + vin5-supply =3D <®_vcc_4v>; + vin6-supply =3D <®_vcc_4v>; + aldoin-supply =3D <®_vcc_4v>; + dldoin1-supply =3D <&buck5>; + dldoin2-supply =3D <&buck5>; + + regulators { + buck1 { + regulator-min-microvolt =3D <500000>; + regulator-max-microvolt =3D <3450000>; + regulator-ramp-delay =3D <5000>; + regulator-always-on; + }; + + buck2 { + regulator-min-microvolt =3D <500000>; + regulator-max-microvolt =3D <3450000>; + regulator-ramp-delay =3D <5000>; + regulator-always-on; + }; + + buck3_1v8: buck3 { + regulator-min-microvolt =3D <500000>; + regulator-max-microvolt =3D <1800000>; + regulator-ramp-delay =3D <5000>; + regulator-always-on; + }; + + buck4 { + regulator-min-microvolt =3D <500000>; + regulator-max-microvolt =3D <3300000>; + regulator-ramp-delay =3D <5000>; + regulator-always-on; + }; + + buck5: buck5 { + regulator-min-microvolt =3D <500000>; + regulator-max-microvolt =3D <3450000>; + regulator-ramp-delay =3D <5000>; + regulator-always-on; + }; + + buck6 { + regulator-min-microvolt =3D <500000>; + regulator-max-microvolt =3D <3450000>; + regulator-ramp-delay =3D <5000>; + regulator-always-on; + }; + + aldo1 { + regulator-min-microvolt =3D <500000>; + regulator-max-microvolt =3D <3400000>; + regulator-boot-on; + }; + + aldo2 { + regulator-min-microvolt =3D <500000>; + regulator-max-microvolt =3D <3400000>; + }; + + aldo3 { + regulator-min-microvolt =3D <500000>; + regulator-max-microvolt =3D <3400000>; + }; + + aldo4 { + regulator-min-microvolt =3D <500000>; + regulator-max-microvolt =3D <3400000>; + }; + + dldo1 { + regulator-min-microvolt =3D <500000>; + regulator-max-microvolt =3D <3400000>; + regulator-boot-on; + }; + + dldo2 { + regulator-min-microvolt =3D <500000>; + regulator-max-microvolt =3D <3400000>; + }; + + dldo3 { + regulator-min-microvolt =3D <500000>; + regulator-max-microvolt =3D <3400000>; + }; + + dldo4 { + regulator-min-microvolt =3D <500000>; + regulator-max-microvolt =3D <3400000>; + regulator-always-on; + }; + + dldo5 { + regulator-min-microvolt =3D <500000>; + regulator-max-microvolt =3D <3400000>; + }; + + dldo6 { + regulator-min-microvolt =3D <500000>; + regulator-max-microvolt =3D <3400000>; + regulator-always-on; + }; + + dldo7 { + regulator-min-microvolt =3D <500000>; + regulator-max-microvolt =3D <3400000>; + }; + }; + }; }; =20 &uart0 { --=20 2.47.3 From nobody Wed Apr 8 02:50:18 2026 Received: from cstnet.cn (smtp81.cstnet.cn [159.226.251.81]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 98C363BF668; 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dmarc=none (p=none dis=none) header.from=iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=iscas.ac.cn Received: from localhost.localdomain (unknown [223.166.92.103]) by APP-03 (Coremail) with SMTP id rQCowAB3lNtwRLBpMRBECg--.1611S6; Wed, 11 Mar 2026 00:18:59 +0800 (CST) From: Han Gao To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Yixun Lan , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti Cc: devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org, Han Gao , Han Gao Subject: [PATCH v2 4/4] riscv: dts: spacemit: Enable USB3.0/PCIe on OrangePi RV2 Date: Wed, 11 Mar 2026 00:18:53 +0800 Message-ID: <20260310161853.3900605-5-gaohan@iscas.ac.cn> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260310161853.3900605-1-gaohan@iscas.ac.cn> References: <20260310161853.3900605-1-gaohan@iscas.ac.cn> 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 X-CM-TRANSID: rQCowAB3lNtwRLBpMRBECg--.1611S6 X-Coremail-Antispam: 1UD129KBjvJXoWxAw1rJrWxArWxuFyxGryUJrb_yoW5ZFWrpF 17Wrsa9a4rAryfKw45Wa4Iga1rWr1vka95Cwn5Zr48GF4qga4q9rn7Ar1rAF1rWr48X3y3 AFW2yFy8KF12g3DanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUmI14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_JF0E3s1l82xGYI kIc2x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2 z4x0Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Cr0_Gr 1UM28EF7xvwVC2z280aVAFwI0_Gr0_Cr1l84ACjcxK6I8E87Iv6xkF7I0E14v26r4j6r4U JwAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7 IYx2IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4U M4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwACI402YVCY1x02628vn2 kIc2xKxwCY1x0262kKe7AKxVWUtVW8ZwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkE bVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67 AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI 42IY6xIIjxv20xvEc7CjxVAFwI0_Cr0_Gr1UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCw CI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnI WIevJa73UjIFyTuYvjfUOyIUUUUUU X-CM-SenderInfo: xjdrxt3q6l2u1dvotugofq/1tbiDAgCDGmwM1AtDgAAsT Content-Type: text/plain; charset="utf-8" Enable the DWC3 USB 3.0 controller and its associated usbphy2 on the OrangePi RV2 board. The board utilizes a Genesys Logic GL3523 hub, which requires two separate power supplies: one VBUS and one for hub itself. Add two GPIO-controlled fixed-regulators to manage this. Define a 3.3v fixed voltage regulator to be used by PCIe on OPi RV2. Define PCIe and PHY-related Device Tree nodes for the OPi RV2. Signed-off-by: Han Gao --- .../boot/dts/spacemit/k1-orangepi-rv2.dts | 90 +++++++++++++++++++ 1 file changed, 90 insertions(+) diff --git a/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts b/arch/riscv/= boot/dts/spacemit/k1-orangepi-rv2.dts index 1f08a2713345..fa30f8ba5c77 100644 --- a/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts +++ b/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts @@ -23,6 +23,15 @@ chosen { stdout-path =3D "serial0"; }; =20 + pcie_vcc_3v3: regulator-pcie-vcc3v3 { + compatible =3D "regulator-fixed"; + regulator-name =3D "PCIE_VCC3V3"; + regulator-min-microvolt =3D <3300000>; + regulator-max-microvolt =3D <3300000>; + gpio =3D <&gpio K1_GPIO(116) GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + reg_dc_in: regulator-dc-in-12v { compatible =3D "regulator-fixed"; regulator-name =3D "dc_in_12v"; @@ -42,6 +51,24 @@ reg_vcc_4v: regulator-vcc-4v { vin-supply =3D <®_dc_in>; }; =20 + regulator-usb3-vbus-5v { + compatible =3D "regulator-fixed"; + regulator-name =3D "USB30_VBUS"; + regulator-min-microvolt =3D <5000000>; + regulator-max-microvolt =3D <5000000>; + gpio =3D <&gpio K1_GPIO(97) GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + + usb3_hub_5v: regulator-usb3-hub-5v { + compatible =3D "regulator-fixed"; + regulator-name =3D "USB30_HUB"; + regulator-min-microvolt =3D <5000000>; + regulator-max-microvolt =3D <5000000>; + gpio =3D <&gpio K1_GPIO(123) GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + leds { compatible =3D "gpio-leds"; =20 @@ -54,6 +81,10 @@ led1 { }; }; =20 +&combo_phy { + status =3D "okay"; +}; + ð0 { phy-handle =3D <&rgmii0>; phy-mode =3D "rgmii-id"; @@ -230,8 +261,67 @@ dldo7 { }; }; =20 +&pcie1_phy { + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pcie1_3_cfg>; + status =3D "okay"; +}; + +&pcie1_port { + phys =3D <&pcie1_phy>; + vpcie3v3-supply =3D <&pcie_vcc_3v3>; +}; + +&pcie1 { + vpcie3v3-supply =3D <&pcie_vcc_3v3>; + status =3D "okay"; +}; + +&pcie2_phy { + pinctrl-names =3D "default"; + pinctrl-0 =3D <&pcie2_4_cfg>; + status =3D "okay"; +}; + +&pcie2_port { + phys =3D <&pcie2_phy>; + vpcie3v3-supply =3D <&pcie_vcc_3v3>; +}; + +&pcie2 { + vpcie3v3-supply =3D <&pcie_vcc_3v3>; + status =3D "okay"; +}; + &uart0 { pinctrl-names =3D "default"; pinctrl-0 =3D <&uart0_2_cfg>; status =3D "okay"; }; + +&usbphy2 { + status =3D "okay"; +}; + +&usb_dwc3 { + dr_mode =3D "host"; + #address-cells =3D <1>; + #size-cells =3D <0>; + status =3D "okay"; + + hub_2_0: hub@1 { + compatible =3D "usb5e3,610"; + reg =3D <0x1>; + vdd-supply =3D <&usb3_hub_5v>; + peer-hub =3D <&hub_3_0>; + reset-gpios =3D <&gpio K1_GPIO(124) GPIO_ACTIVE_LOW>; + }; + + hub_3_0: hub@2 { + compatible =3D "usb5e3,620"; + reg =3D <0x2>; + vdd-supply =3D <&usb3_hub_5v>; + peer-hub =3D <&hub_2_0>; + reset-gpios =3D <&gpio K1_GPIO(124) GPIO_ACTIVE_LOW>; + }; +}; --=20 2.47.3