From patchwork Thu Oct 20 06:36:24 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yinbo Zhu X-Patchwork-Id: 616953 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C7B26C43219 for ; Thu, 20 Oct 2022 06:36:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230156AbiJTGgj (ORCPT ); Thu, 20 Oct 2022 02:36:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48296 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229835AbiJTGgh (ORCPT ); Thu, 20 Oct 2022 02:36:37 -0400 Received: from loongson.cn (mail.loongson.cn [114.242.206.163]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 6AFA9173589; Wed, 19 Oct 2022 23:36:35 -0700 (PDT) Received: from loongson.cn (unknown [10.180.13.64]) by gateway (Coremail) with SMTP id _____8Dx_Nhy7FBjtvUAAA--.4790S3; Thu, 20 Oct 2022 14:36:34 +0800 (CST) Received: from localhost.localdomain (unknown [10.180.13.64]) by localhost.localdomain (Coremail) with SMTP id AQAAf8Axf+Bq7FBjccEBAA--.7362S4; Thu, 20 Oct 2022 14:36:33 +0800 (CST) From: Yinbo Zhu To: Michael Turquette , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Huacai Chen , WANG Xuerui , Jiaxun Yang , Jianmin Lv , Yang Li , linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, loongarch@lists.linux.dev, Yinbo Zhu Subject: [PATCH v3 3/3] dt-bindings: clock: add loongson2 clock Date: Thu, 20 Oct 2022 14:36:24 +0800 Message-Id: <20221020063624.17548-3-zhuyinbo@loongson.cn> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20221020063624.17548-1-zhuyinbo@loongson.cn> References: <20221020063624.17548-1-zhuyinbo@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAf8Axf+Bq7FBjccEBAA--.7362S4 X-CM-SenderInfo: 52kx5xhqerqz5rrqw2lrqou0/ X-Coremail-Antispam: 1Uk129KBjvJXoWxXF47tF4kJw4fKFyfWF1kuFg_yoW5GFyrpF sxC34rGry0vF17Zws5tFyxA3Z5Z3Z7CFnrZFsrAa42kF98W3W5XF17K34DZa9rAr17Z39F vFWfWr4UC3WxCr7anT9S1TB71UUUUjDqnTZGkaVYY2UrUUUUj1kv1TuYvTs0mT0YCTnIWj qI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUIcSsGvfJTRUUU bfAFc2x0x2IEx4CE42xK8VAvwI8IcIk0rVWrJVCq3wAFIxvE14AKwVWUXVWUAwA2ocxC64 kIII0Yj41l84x0c7CEw4AK67xGY2AK021l84ACjcxK6xIIjxv20xvE14v26F1j6w1UM28E F7xvwVC0I7IYx2IY6xkF7I0E14v26F4j6r4UJwA2z4x0Y4vEx4A2jsIE14v26r4UJVWxJr 1l84ACjcxK6I8E87Iv6xkF7I0E14v26r4UJVWxJr1ln4kS14v26r126r1DM2AIxVAIcxkE cVAq07x20xvEncxIr21l57IF6xkI12xvs2x26I8E6xACxx1l5I8CrVACY4xI64kE6c02F4 0Ex7xfMcIj6xIIjxv20xvE14v26r1q6rW5McIj6I8E87Iv67AKxVW8JVWxJwAm72CE4IkC 6x0Yz7v_Jr0_Gr1lF7xvr2IYc2Ij64vIr41lc7CjxVAaw2AFwI0_JF0_Jw1l42xK82IYc2 Ij64vIr41l42xK82IY6x8ErcxFaVAv8VWrMxC20s026xCaFVCjc4AY6r1j6r4UMxCIbckI 1I0E14v26r126r1DMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_Jr Wlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE14v26ryj 6F1UMIIF0xvE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwCI42IY6xAIw20EY4v20xvaj40_Jr 0_JF4lIxAIcVC2z280aVAFwI0_Gr0_Cr1lIxAIcVC2z280aVCY1x0267AKxVW8JVW8JrUv cSsGvfC2KfnxnUUI43ZEXa7IU8mQ6JUUUUU== Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add the loongson2 clock binding with DT schema format using json-schema. Signed-off-by: Yinbo Zhu --- Change in v3: 1. Drop redundant (last) binding from the title. 2. Drop "- |" between ref_100m node and clk node. .../bindings/clock/loongson,ls2k-clk.yaml | 63 +++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 64 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/loongson,ls2k-clk.yaml diff --git a/Documentation/devicetree/bindings/clock/loongson,ls2k-clk.yaml b/Documentation/devicetree/bindings/clock/loongson,ls2k-clk.yaml new file mode 100644 index 000000000000..6cc6e0755735 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/loongson,ls2k-clk.yaml @@ -0,0 +1,63 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/loongson,ls2k-clk.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Loongson2 SoC Clock Control Module + +maintainers: + - Yinbo Zhu + +description: | + Loongson2 SoC clock control module is an integrated clock controller, which + generates and supplies to all modules. + +properties: + compatible: + enum: + - loongson,ls2k-clk + + reg: + maxItems: 1 + + clocks: + items: + - description: 100m ref + + clock-names: + items: + - const: ref_100m + + '#clock-cells': + const: 1 + description: + The clock consumer should specify the desired clock by having the clock + ID in its "clocks" phandle cell. See include/dt-bindings/clock/loongson,ls2k-clk.h + for the full list of loongson2 SoC clock IDs. + +required: + - compatible + - reg + - clocks + - clock-names + - '#clock-cells' + +additionalProperties: false + +examples: + - | + ref_100m: clock-ref-100m { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <100000000>; + clock-output-names = "ref_100m"; + }; + + clk: clock-controller@1fe00480 { + compatible = "loongson,ls2k-clk"; + reg = <0x1fe00480 0x58>; + #clock-cells = <1>; + clocks = <&ref_100m>; + clock-names = "ref_100m"; + }; diff --git a/MAINTAINERS b/MAINTAINERS index f01d60cd5c3b..f61a431ad8ca 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -11911,6 +11911,7 @@ LOONGSON2 SOC SERIES CLOCK DRIVER M: Yinbo Zhu L: linux-clk@vger.kernel.org S: Maintained +F: Documentation/devicetree/bindings/clock/loongson,ls2k-clk.yaml F: drivers/clk/clk-loongson2.c F: include/dt-bindings/clock/loongson,ls2k-clk.h