From patchwork Thu Aug 3 06:37:02 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yinbo Zhu X-Patchwork-Id: 13339293 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 9CD61C04A6A for ; Thu, 3 Aug 2023 06:37:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233343AbjHCGha (ORCPT ); Thu, 3 Aug 2023 02:37:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46882 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233351AbjHCGh1 (ORCPT ); Thu, 3 Aug 2023 02:37:27 -0400 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 67B0330E3; Wed, 2 Aug 2023 23:37:23 -0700 (PDT) Received: from loongson.cn (unknown [10.20.42.201]) by gateway (Coremail) with SMTP id _____8CxfOoiS8tkFoYPAA--.9019S3; Thu, 03 Aug 2023 14:37:22 +0800 (CST) Received: from localhost.localdomain (unknown [10.20.42.201]) by localhost.localdomain (Coremail) with SMTP id AQAAf8CxF80aS8tkMsZGAA--.49295S3; Thu, 03 Aug 2023 14:37:20 +0800 (CST) From: Yinbo Zhu To: Arnd Bergmann , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, soc@kernel.org, Ulf Hansson Cc: Jianmin Lv , wanghongliang@loongson.cn, Liu Peibao , loongson-kernel@lists.loongnix.cn, Yinbo Zhu , loongarch@lists.linux.dev, Liu Yun , Krzysztof Kozlowski Subject: [PATCH v6 1/2] soc: dt-bindings: add loongson-2 pm Date: Thu, 3 Aug 2023 14:37:02 +0800 Message-Id: <20230803063703.5659-2-zhuyinbo@loongson.cn> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20230803063703.5659-1-zhuyinbo@loongson.cn> References: <20230803063703.5659-1-zhuyinbo@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAf8CxF80aS8tkMsZGAA--.49295S3 X-CM-SenderInfo: 52kx5xhqerqz5rrqw2lrqou0/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org Add the Loongson-2 SoC Power Management Controller binding with DT schema format using json-schema. Signed-off-by: Yinbo Zhu Reviewed-by: Krzysztof Kozlowski --- .../soc/loongson/loongson,ls2k-pmc.yaml | 52 +++++++++++++++++++ MAINTAINERS | 6 +++ 2 files changed, 58 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/loongson/loongson,ls2k-pmc.yaml diff --git a/Documentation/devicetree/bindings/soc/loongson/loongson,ls2k-pmc.yaml b/Documentation/devicetree/bindings/soc/loongson/loongson,ls2k-pmc.yaml new file mode 100644 index 000000000000..da2dcfeebf12 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/loongson/loongson,ls2k-pmc.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/loongson/loongson,ls2k-pmc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Loongson-2 Power Manager controller + +maintainers: + - Yinbo Zhu + +properties: + compatible: + items: + - enum: + - loongson,ls2k0500-pmc + - loongson,ls2k1000-pmc + - const: syscon + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + loongson,suspend-address: + $ref: /schemas/types.yaml#/definitions/uint64 + description: + The "loongson,suspend-address" is a deep sleep state (Suspend To + RAM) firmware entry address which was jumped from kernel and it's + value was dependent on specific platform firmware code. In + addition, the PM need according to it to indicate that current + SoC whether support Suspend To RAM. + +required: + - compatible + - reg + - interrupts + +additionalProperties: false + +examples: + - | + #include + + power-management@1fe27000 { + compatible = "loongson,ls2k1000-pmc", "syscon"; + reg = <0x1fe27000 0x58>; + interrupt-parent = <&liointc1>; + interrupts = <11 IRQ_TYPE_LEVEL_LOW>; + loongson,suspend-address = <0x0 0x1c000500>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 1089ef3319f2..608a00473498 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -12365,6 +12365,12 @@ S: Maintained F: Documentation/devicetree/bindings/hwinfo/loongson,ls2k-chipid.yaml F: drivers/soc/loongson/loongson2_guts.c +LOONGSON-2 SOC SERIES PM DRIVER +M: Yinbo Zhu +L: linux-pm@vger.kernel.org +S: Maintained +F: Documentation/devicetree/bindings/soc/loongson/loongson,ls2k-pmc.yaml + LOONGSON-2 SOC SERIES PINCTRL DRIVER M: zhanghongchen M: Yinbo Zhu