From patchwork Mon Mar 16 14:29:45 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jisheng Zhang X-Patchwork-Id: 203243 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6C6FAC0044D for ; Mon, 16 Mar 2020 14:31:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4CB2B2051A for ; Mon, 16 Mar 2020 14:31:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731477AbgCPOb0 (ORCPT ); Mon, 16 Mar 2020 10:31:26 -0400 Received: from smtp2.ustc.edu.cn ([202.38.64.46]:44266 "EHLO ustc.edu.cn" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1731465AbgCPObZ (ORCPT ); Mon, 16 Mar 2020 10:31:25 -0400 Received: from xhacker (unknown [101.86.20.80]) by newmailweb.ustc.edu.cn (Coremail) with SMTP id LkAmygBnbZG6jW9eqD9PAA--.20103S2; Mon, 16 Mar 2020 22:31:23 +0800 (CST) Date: Mon, 16 Mar 2020 22:29:45 +0800 From: Jisheng Zhang To: Liam Girdwood , Mark Brown , Rob Herring , Mark Rutland Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v2 1/4] regulator: bindings: add MPS mp8869 voltage regulator Message-ID: <20200316222945.74ad34dd@xhacker> In-Reply-To: <20200316222808.6453d849@xhacker> References: <20200316222808.6453d849@xhacker> MIME-Version: 1.0 X-CM-TRANSID: LkAmygBnbZG6jW9eqD9PAA--.20103S2 X-Coremail-Antispam: 1UD129KBjvJXoW7Kw4fCrWkGr4fWr4xCr47twb_yoW8XF15pF 4DCFsIkr4vyF1xWa1fGa4Iya1rXr48Ca4fCF12kw4Fgas8A3Zrt390kryrAF18Ar4kJFW5 ArZ8Cry8Kw1Iv3DanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUy2b7Iv0xC_Zr1lb4IE77IF4wAFF20E14v26r1j6r4UM7CY07I2 0VC2zVCF04k26cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rw A2F7IY1VAKz4vEj48ve4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Ar0_tr1l84ACjcxK6xII jxv20xvEc7CjxVAFwI0_Gr1j6F4UJwA2z4x0Y4vEx4A2jsIE14v26rxl6s0DM28EF7xvwV C2z280aVCY1x0267AKxVW0oVCq3wAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC 0VAKzVAqx4xG6I80ewAv7VC0I7IYx2IY67AKxVWUGVWUXwAv7VC2z280aVAFwI0_Jr0_Gr 1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcVAKI48JMxAIw28IcxkI7VAKI48JMxC20s02 6xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_Jr I_JrWlx4CE17CEb7AF67AKxVWUAVWUtwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v2 6r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwCI42IY6xAIw20EY4v20xvaj4 0_Zr0_Wr1UMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr0_ Gr1UYxBIdaVFxhVjvjDU0xZFpf9x07jnNVgUUUUU= X-CM-SenderInfo: xmv2xttqjtqzxdloh3xvwfhvlgxou0/ Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org From: Jisheng Zhang The MP8869 from Monolithic Power Systems is a single output dc/dc converter with voltage control over i2c. Signed-off-by: Jisheng Zhang --- .../devicetree/bindings/regulator/mp886x.txt | 25 +++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/mp886x.txt diff --git a/Documentation/devicetree/bindings/regulator/mp886x.txt b/Documentation/devicetree/bindings/regulator/mp886x.txt new file mode 100644 index 000000000000..6858e38eb47d --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/mp886x.txt @@ -0,0 +1,25 @@ +Monolithic Power Systems MP8869 voltage regulator + +Required properties: +- compatible: "mps,mp8869"; +- reg: I2C slave address. +- enable-gpios: enable gpios. +- mps,fb-voltage-divider: An array of two integers containing the resistor + values R1 and R2 of the feedback voltage divider in kilo ohms. + +Any property defined as part of the core regulator binding, defined in +./regulator.txt, can also be used. + +Example: + + vcpu: regulator@62 { + compatible = "mps,mp8869"; + regulator-name = "vcpu"; + regulator-min-microvolt = <700000>; + regulator-max-microvolt = <850000>; + regulator-always-on; + regulator-boot-on; + enable-gpios = <&porta 1 GPIO_ACTIVE_LOW>; + mps,fb-voltage-divider = <80 240>; + reg = <0x62>; + };