From nobody Wed Apr 1 10:33:47 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 D02413FF8A7; Tue, 31 Mar 2026 16:28:13 +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=1774974497; cv=none; b=hGewPRYckIoKL8W+O4Kth1nvrZ0jaZyUB4mPI2E1OrDfR22TW0G3KiqCz+At2ucqwsOOHf0DnV/aaIDXSMN8O7BFuWDJ+9/pDbYw4gOWUgaP6K8S07okpU9RLyDWIAZfjPaGNpNcXzJiHX/b+lRvDPtwqDqqKxZaQm5YCe9Gnss= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774974497; c=relaxed/simple; bh=zNEyjWLT5Zos9E5aLhI5kIPw6dON9Xtvhiaz2/9dO8s=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=AEBclCrOA+FwiquGrNPrtuCYDQ2/fxz2zj0v7B8sotoi2EPTgwq+J18Ap1IVcLiLfqyXj14GZoooNW7EiF2JrMUVcsi6REMgJn76IrM6e7la3YriSYtvEFMgkHY9NhDQ0wtNprg2wMD3k67XvtoPxgVu+GOrAJwI6ysl872fFjI= 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 zQCowAC3TBAO9stphZUSDA--.56709S4; Wed, 01 Apr 2026 00:27:59 +0800 (CST) From: Han Gao To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Yixun Lan , Chukun Pan 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 v4 2/3] riscv: dts: spacemit: Define the P1 PMIC regulators for OrangePi RV2 Date: Wed, 1 Apr 2026 00:27:55 +0800 Message-ID: <8ef9666ad9f12ac97b60676dfbedc339c660fd60.1774974017.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: zQCowAC3TBAO9stphZUSDA--.56709S4 X-Coremail-Antispam: 1UD129KBjvJXoWxWw4kCw1UXFWDWw4UuFyUKFg_yoW5AFW3pa 15XFsxur1FkFyxJw4Ygw1xta15Wr1Ykas29ry0krWrArW8tFnFkr9rAr1Fya48Jr4kZw4Y yrW7uFy8tF1Ig3DanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUm014x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_Jryl82xGYIkIc2 x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2z4x0 Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Cr0_Gr1UM2 8EF7xvwVC2z280aVAFwI0_Gr0_Cr1l84ACjcxK6I8E87Iv6xkF7I0E14v26r4j6r4UJwAS 0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2 IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0 Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwACI402YVCY1x02628vn2kIc2 xKxwCY1x0262kKe7AKxVWUtVW8ZwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWU JVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67 kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY 6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0x vEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIdaVFxhVj vjDU0xZFpf9x0JUQXo7UUUUU= X-CM-SenderInfo: xjdrxt3q6l2u1dvotugofq/1tbiBwkDDGnL4t43NgAAse 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. Signed-off-by: Han Gao --- .../boot/dts/spacemit/k1-orangepi-rv2.dts | 97 +++++++++++++++++++ 1 file changed, 97 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..e5e358d49c09 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 + reg_vcc_4v: regulator-vcc-4v { + compatible =3D "regulator-fixed"; + regulator-name =3D "vcc4v0"; + regulator-min-microvolt =3D <4000000>; + regulator-max-microvolt =3D <4000000>; + regulator-boot-on; + regulator-always-on; + }; + leds { compatible =3D "gpio-leds"; =20 @@ -91,6 +100,94 @@ &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; + }; + + dldo1 { + regulator-min-microvolt =3D <500000>; + regulator-max-microvolt =3D <3400000>; + regulator-boot-on; + }; + + 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; + }; + }; + }; }; =20 &uart0 { --=20 2.47.3