From patchwork Mon Aug 7 07:40:42 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yinbo Zhu X-Patchwork-Id: 711748 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 5AE7EC001DB for ; Mon, 7 Aug 2023 07:41:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230036AbjHGHlF (ORCPT ); Mon, 7 Aug 2023 03:41:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42488 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229989AbjHGHlE (ORCPT ); Mon, 7 Aug 2023 03:41:04 -0400 Received: from mail.loongson.cn (mail.loongson.cn [114.242.206.163]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 22EA010FE; Mon, 7 Aug 2023 00:41:01 -0700 (PDT) Received: from loongson.cn (unknown [10.20.42.201]) by gateway (Coremail) with SMTP id _____8AxFvEJoNBkCOARAA--.40060S3; Mon, 07 Aug 2023 15:40:57 +0800 (CST) Received: from localhost.localdomain (unknown [10.20.42.201]) by localhost.localdomain (Coremail) with SMTP id AQAAf8BxB838n9Bk+dBMAA--.56868S3; Mon, 07 Aug 2023 15:40:56 +0800 (CST) From: Yinbo Zhu To: Linus Walleij , Bartosz Golaszewski , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Jianmin Lv , wanghongliang@loongson.cn, loongson-kernel@lists.loongnix.cn, Yinbo Zhu Subject: [PATCH v3 1/2] gpio: dt-bindings: add parsing of loongson gpio offset Date: Mon, 7 Aug 2023 15:40:42 +0800 Message-Id: <20230807074043.31288-2-zhuyinbo@loongson.cn> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20230807074043.31288-1-zhuyinbo@loongson.cn> References: <20230807074043.31288-1-zhuyinbo@loongson.cn> MIME-Version: 1.0 X-CM-TRANSID: AQAAf8BxB838n9Bk+dBMAA--.56868S3 X-CM-SenderInfo: 52kx5xhqerqz5rrqw2lrqou0/ X-Coremail-Antispam: 1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7 ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx nUUI43ZEXa7xR_UUUUUUUUU== Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Loongson GPIO controllers come in multiple variants that are compatible except for certain register offset values. Add support in yaml file for device properties allowing to specify them in DT. Signed-off-by: Yinbo Zhu --- .../bindings/gpio/loongson,ls-gpio.yaml | 40 ++++++++++++++++++- 1 file changed, 39 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/gpio/loongson,ls-gpio.yaml b/Documentation/devicetree/bindings/gpio/loongson,ls-gpio.yaml index fb86e8ce6349..fc51cf40fccd 100644 --- a/Documentation/devicetree/bindings/gpio/loongson,ls-gpio.yaml +++ b/Documentation/devicetree/bindings/gpio/loongson,ls-gpio.yaml @@ -14,6 +14,7 @@ properties: enum: - loongson,ls2k-gpio - loongson,ls7a-gpio + - loongson,ls2k1000-gpio reg: maxItems: 1 @@ -29,6 +30,33 @@ properties: gpio-ranges: true + loongson,gpio-conf-offset: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + This option indicate this GPIO configuration register offset address. + + loongson,gpio-out-offset: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + This option indicate this GPIO output register offset address. + + loongson,gpio-in-offset: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + This option indicate this GPIO input register offset address. + + loongson,gpio-ctrl-mode: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + This option indicate this GPIO control mode, where '0' represents + bit control mode and '1' represents byte control mode. + + loongson,gpio-inten-offset: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + This option indicate this GPIO interrupt enable register offset + address. + interrupts: minItems: 1 maxItems: 64 @@ -39,6 +67,11 @@ required: - ngpios - "#gpio-cells" - gpio-controller + - loongson,gpio-conf-offset + - loongson,gpio-in-offset + - loongson,gpio-out-offset + - loongson,gpio-ctrl-mode + - loongson,gpio-inten-offset - gpio-ranges - interrupts @@ -49,11 +82,16 @@ examples: #include gpio0: gpio@1fe00500 { - compatible = "loongson,ls2k-gpio"; + compatible = "loongson,ls2k1000-gpio"; reg = <0x1fe00500 0x38>; ngpios = <64>; #gpio-cells = <2>; gpio-controller; + loongson,gpio-conf-offset = <0>; + loongson,gpio-in-offset = <0x20>; + loongson,gpio-out-offset = <0x10>; + loongson,gpio-ctrl-mode = <0>; + loongson,gpio-inten-offset = <0x30>; gpio-ranges = <&pctrl 0 0 15>, <&pctrl 16 16 15>, <&pctrl 32 32 10>,