From nobody Mon Apr 6 13:27:51 2026 Received: from cstnet.cn (smtp25.cstnet.cn [159.226.251.25]) (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 253472F532F; Sun, 5 Apr 2026 19:31:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.25 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775417485; cv=none; b=lk/FKFmuhlEFKFz7jOxQhLHHzsVTYEuWUWKNTpUnwo5oT9hDbMavCxIe1Govk3OkZlSlpU/MX9685ebQZjbUVoxlhvwr+Zokno+Y0a3yEewW7tCxBH2j9RwAkyOT+mAHnTYjRppFdQA2pMR11PoruWfZSUSqeCmMGvgoaXWVMAA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775417485; c=relaxed/simple; bh=BnUIFsDP/NMougrWHuwUTkTEcHw3+HazvuuGtDewy7w=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=c/m604Bbr+Q83bmIArRdsSdMYzf2EFcKD1u46WJtw+DcRiwJtf8PY1MyzusSiScMT/D4wOBy2s0bZ6jwlByZL4X2tlkk2px2Tmai2ywD5SvXJmNVaF32bBQG6mlzEpl4OnEjulYutG8Ck5ysrx1X9jMPonvZYoYfShxGEOqnNWw= 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=159.226.251.25 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 [223.166.95.230]) by APP-05 (Coremail) with SMTP id zQCowADnfBB3uNJpOkKeDA--.25923S3; Mon, 06 Apr 2026 03:31:05 +0800 (CST) From: Han Gao To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Yixun Lan , Vincent Legoll 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 v9 1/3] riscv: dts: spacemit: Enable i2c8 adapter for OrangePi RV2 Date: Mon, 6 Apr 2026 03:30:41 +0800 Message-ID: X-Mailer: git-send-email 2.47.3 In-Reply-To: References: 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: zQCowADnfBB3uNJpOkKeDA--.25923S3 X-Coremail-Antispam: 1UD129KBjvdXoWrtF4xKF18uF4xAFykurW8tFb_yoW3ZFX_CF 13Cay09FyUurWvkFn7Xr1rta1xu3yYkrWSywn3tr1UGa4FgrWfKFWUKaykJ345GrWqvrWf Gw48tF1xJwnIkjkaLaAFLSUrUUUUjb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbkAFF20E14v26rWj6s0DM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUGwA2048vs2IY02 0Ec7CjxVAFwI0_Gr0_Xr1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxSw2x7M28EF7xv wVC0I7IYx2IY67AKxVW8JVW5JwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwA2z4 x0Y4vEx4A2jsIE14v26r4UJVWxJr1l84ACjcxK6I8E87Iv6xkF7I0E14v26r4UJVWxJr1l e2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI 8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJVW8JwAC jcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lFIxGxcIEc7CjxVA2Y2ka0x kIwI1lc7CjxVAaw2AFwI0_Jw0_GFyl42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_ Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1V AY17CE14v26r1q6r43MIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Jr0_JF4lIxAI cVC0I7IYx2IY6xkF7I0E14v26r4j6F4UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42 IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWIev Ja73UjIFyTuYvjfU8XdbUUUUU X-CM-SenderInfo: xjdrxt3q6l2u1dvotugofq/1tbiBwoIDGnSel8yaAAAsN Content-Type: text/plain; charset="utf-8" The adapter is used to access the SpacemiT P1 PMIC present in this board. Tested-by: Vincent Legoll # OrangePi-RV2 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..57ec1cc32b03 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-names =3D "default"; + pinctrl-0 =3D <&i2c8_cfg>; + status =3D "okay"; +}; + &uart0 { pinctrl-names =3D "default"; pinctrl-0 =3D <&uart0_2_cfg>; --=20 2.47.3 From nobody Mon Apr 6 13:27:51 2026 Received: from cstnet.cn (smtp25.cstnet.cn [159.226.251.25]) (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 C2CD62FFDCB; Sun, 5 Apr 2026 19:31:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.25 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775417488; cv=none; b=Wm3OUVi9vOYArPceaRPY7Je4bvCgGG2+yXXPh2wFyQKcyJJIIwgIfYfu96fQ2/8XpM/Hl/XW5TwHQzRszDm5HMGtfB04SIsRdprksAveJeYfchLkcNyLKCWMCwNla/bthEsvKobSZ/qUkSU0p4xIKtZjbz0IVsBE92xOyySQk0A= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775417488; c=relaxed/simple; bh=FlXeHaf/Hjion+ulpn7jEEn9Nkb/OY96ass0KI1nsro=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=XYVKF4bbXIdrj5mAv8iRIJQGAZIn5D08zRDB+PZ93Vf+bNcwJgxyP3MPV/Yha4PsaHXjxIaFhpulY38BpiGyOWz5ffvwc8+nqk1ceGSNfCWP1Gq6JDqc0zyXhD8IH6EkLWAdQe9yINkaKB6N3WZp2KoeTfkBM780T1JK8Ur8BGY= 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=159.226.251.25 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 [223.166.95.230]) by APP-05 (Coremail) with SMTP id zQCowADnfBB3uNJpOkKeDA--.25923S4; Mon, 06 Apr 2026 03:31:05 +0800 (CST) From: Han Gao To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Yixun Lan , Vincent Legoll Cc: devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org, Han Gao , Han Gao , Chukun Pan Subject: [PATCH v9 2/3] riscv: dts: spacemit: Define the P1 PMIC regulators for OrangePi RV2 Date: Mon, 6 Apr 2026 03:30:42 +0800 Message-ID: <193370a69e1cc3e4d8c4eb57bfea208e29ac75d8.1775417019.git.gaohan@iscas.ac.cn> X-Mailer: git-send-email 2.47.3 In-Reply-To: References: 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: zQCowADnfBB3uNJpOkKeDA--.25923S4 X-Coremail-Antispam: 1UD129KBjvJXoWxWw4kCFWfAFWDGr1xZrWDArb_yoW5Kw13pa n8ZFsxuF4rAFyxJw45Ww1xta15Wr1Fkasrury0krWrJrWUtFnF9r9Fyr1rt3W8Ja1vvw4Y yrWUZFyxtF1Ig3DanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUm214x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_Jryl82xGYIkIc2 x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2z4x0 Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Cr0_Gr1UM2 8EF7xvwVC2z280aVAFwI0_Gr1j6F4UJwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gr1j6F4U JwAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7 IYx2IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4U M4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwACI402YVCY1x02628vn2 kIc2xKxwCY1x0262kKe7AKxVWUtVW8ZwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkE bVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67 AF67kF1VAFwI0_GFv_WrylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI 42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMI IF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIdaVF xhVjvjDU0xZFpf9x0JUQXo7UUUUU= X-CM-SenderInfo: xjdrxt3q6l2u1dvotugofq/1tbiDAgIDGnSelYyawABsP Content-Type: text/plain; charset="utf-8" Define the DC power input and the 4v power as fixed regulator supplies. Define the SpacemiT P1 PMIC voltage regulators and their constraints. Co-developed-by: Chukun Pan Signed-off-by: Chukun Pan Tested-by: Vincent Legoll # OrangePi-RV2 Signed-off-by: Han Gao --- .../boot/dts/spacemit/k1-orangepi-rv2.dts | 131 ++++++++++++++++++ 1 file changed, 131 insertions(+) diff --git a/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts b/arch/riscv/= boot/dts/spacemit/k1-orangepi-rv2.dts index 57ec1cc32b03..f7a1dadaa95f 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 + vcc_5v0: regulator-vcc-5v0 { + compatible =3D "regulator-fixed"; + regulator-name =3D "vcc_5v0"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt =3D <5000000>; + regulator-max-microvolt =3D <5000000>; + }; + + vcc4v0: regulator-vcc4v0 { + compatible =3D "regulator-fixed"; + regulator-name =3D "vcc4v0"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt =3D <4000000>; + regulator-max-microvolt =3D <4000000>; + vin-supply =3D <&vcc_5v0>; + }; + leds { compatible =3D "gpio-leds"; =20 @@ -91,6 +110,118 @@ &i2c8 { pinctrl-names =3D "default"; pinctrl-0 =3D <&i2c8_cfg>; status =3D "okay"; + + pmic@41 { + compatible =3D "spacemit,p1"; + reg =3D <0x41>; + interrupts =3D <64>; + vin1-supply =3D <&vcc4v0>; + vin2-supply =3D <&vcc4v0>; + vin3-supply =3D <&vcc4v0>; + vin4-supply =3D <&vcc4v0>; + vin5-supply =3D <&vcc4v0>; + vin6-supply =3D <&vcc4v0>; + aldoin-supply =3D <&vcc4v0>; + 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_3v3: 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 { + /* not connected */ + }; + + aldo3 { + /* not connected */ + }; + + aldo4 { + /* not connected */ + }; + + dldo1 { + regulator-min-microvolt =3D <500000>; + regulator-max-microvolt =3D <3400000>; + regulator-boot-on; + }; + + dldo2 { + /* not connected */ + }; + + dldo3 { + /* not connected */ + }; + + 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 { + /* not connected */ + }; + }; + }; }; =20 &uart0 { --=20 2.47.3 From nobody Mon Apr 6 13:27:51 2026 Received: from cstnet.cn (smtp25.cstnet.cn [159.226.251.25]) (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 33E032EC09B; Sun, 5 Apr 2026 19:31:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.25 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775417487; cv=none; b=JYV4fZ9orq0YZdbvxO3Kw2QULDzcUPtxOE2tsOdqTIcoWPmV5SqgAV0kpFm8VlwvAf1nF7xdiaLMs6jl0eRg9h5x5MNGwuhezVrEzXcv1SAaaMAqASjhZWXtHecVfiSyyOG2TxLcAnU5uRo6jG5AzB93nM/YTRHE8ok+cmK3FxU= ARC-Message-Signature: i=1; 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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 USB3.0 hub. Define a 3.3v fixed voltage regulator for PCIe and enable PCIe and PHY-related Device Tree nodes for the OrangePi RV2. Co-developed-by: Chukun Pan Signed-off-by: Chukun Pan Tested-by: Vincent Legoll # OrangePi-RV2 Signed-off-by: Han Gao --- .../boot/dts/spacemit/k1-orangepi-rv2.dts | 80 +++++++++++++++++++ 1 file changed, 80 insertions(+) diff --git a/arch/riscv/boot/dts/spacemit/k1-orangepi-rv2.dts b/arch/riscv/= boot/dts/spacemit/k1-orangepi-rv2.dts index f7a1dadaa95f..157bbb39c268 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_vcc3v3: regulator-pcie-vcc3v3 { + compatible =3D "regulator-fixed"; + enable-active-high; + gpios =3D <&gpio K1_GPIO(116) GPIO_ACTIVE_HIGH>; + regulator-name =3D "pcie_vcc3v3"; + regulator-min-microvolt =3D <3300000>; + regulator-max-microvolt =3D <3300000>; + }; + vcc_5v0: regulator-vcc-5v0 { compatible =3D "regulator-fixed"; regulator-name =3D "vcc_5v0"; @@ -42,6 +51,16 @@ vcc4v0: regulator-vcc4v0 { vin-supply =3D <&vcc_5v0>; }; =20 + vcc5v0_usb30: regulator-vcc5v0-usb30 { + compatible =3D "regulator-fixed"; + regulator-name =3D "vcc5v0_usb30"; + enable-active-high; + gpios =3D <&gpio K1_GPIO(123) GPIO_ACTIVE_HIGH>; + regulator-min-microvolt =3D <5000000>; + regulator-max-microvolt =3D <5000000>; + vin-supply =3D <&vcc_5v0>; + }; + leds { compatible =3D "gpio-leds"; =20 @@ -54,6 +73,10 @@ led1 { }; }; =20 +&combo_phy { + status =3D "okay"; +}; + ð0 { phy-handle =3D <&rgmii0>; phy-mode =3D "rgmii-id"; @@ -224,8 +247,65 @@ 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_vcc3v3>; +}; + +&pcie1 { + vpcie3v3-supply =3D <&pcie_vcc3v3>; + 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_vcc3v3>; +}; + +&pcie2 { + 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>; + vbus-supply =3D <&vcc5v0_usb30>; + status =3D "okay"; + + hub_2_0: hub@1 { + compatible =3D "usb5e3,610"; + reg =3D <0x1>; + peer-hub =3D <&hub_3_0>; + vdd-supply =3D <&vcc_5v0>; + }; + + hub_3_0: hub@2 { + compatible =3D "usb5e3,620"; + reg =3D <0x2>; + peer-hub =3D <&hub_2_0>; + vdd-supply =3D <&vcc_5v0>; + }; +}; --=20 2.47.3