From mboxrd@z Thu Jan 1 00:00:00 1970 From: Erwan Le Ray Subject: [PATCH v3 02/10] dt-bindings: serial: add optional pinctrl states Date: Thu, 13 Jun 2019 15:49:52 +0200 Message-ID: <1560433800-12255-3-git-send-email-erwan.leray@st.com> References: <1560433800-12255-1-git-send-email-erwan.leray@st.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1560433800-12255-1-git-send-email-erwan.leray@st.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Greg Kroah-Hartman , Jiri Slaby , Maxime Coquelin , Alexandre Torgue , Rob Herring , Mark Rutland Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Erwan Le Ray , linux-serial@vger.kernel.org, Bich Hemon , Fabrice Gasnier , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org List-Id: linux-serial@vger.kernel.org From: Bich Hemon Add options for pinctrl states: - "sleep" for low power - "idle" for low power and wakeup capabilities enabled - "no_console_suspend" for enabling console messages in low power Signed-off-by: Bich Hemon Signed-off-by: Erwan Le Ray diff --git a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt index 5ec80c1..64a5ea9 100644 --- a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt +++ b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt @@ -13,7 +13,14 @@ Required properties: - clocks: The input clock of the USART instance Optional properties: -- pinctrl: The reference on the pins configuration +- pinctrl-names: Set to "default". An additional "sleep" state can be defined + to set pins in sleep state when in low power. In case the device is used as + a wakeup source, "idle" state is defined in order to keep RX pin active. + For a console device, an optional state "no_console_suspend" can be defined + to enable console messages during suspend. Typically, "no_console_suspend" and + "default" states can refer to the same pin configuration. +- pinctrl-n: Phandle(s) pointing to pin configuration nodes. + For Pinctrl properties see ../pinctrl/pinctrl-bindings.txt - st,hw-flow-ctrl: bool flag to enable hardware flow control. - rs485-rts-delay, rs485-rx-during-tx, rs485-rts-active-low, linux,rs485-enabled-at-boot-time: see rs485.txt. @@ -31,8 +38,11 @@ usart4: serial@40004c00 { reg = <0x40004c00 0x400>; interrupts = <52>; clocks = <&clk_pclk1>; - pinctrl-names = "default"; + pinctrl-names = "default", "sleep", "idle", "no_console_suspend"; pinctrl-0 = <&pinctrl_usart4>; + pinctrl-1 = <&pinctrl_usart4_sleep>; + pinctrl-2 = <&pinctrl_usart4_idle>; + pinctrl-3 = <&pinctrl_usart4>; }; usart2: serial@40004400 { -- 1.9.1 From mboxrd@z Thu Jan 1 00:00:00 1970 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=-8.7 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 9D58CC31E45 for ; Thu, 13 Jun 2019 13:51:11 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 71A6920851 for ; Thu, 13 Jun 2019 13:51:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="dY2PykNG"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=st.com header.i=@st.com header.b="WIoDnfwT" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 71A6920851 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=st.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=WnpQcpkBaqN2zFbxdHsJK3EA5yd62XP629VZ9DGr6GE=; b=dY2PykNGduWIvT KpQegMtFBAUb6F1FY3BOmgaGWfA0idQQPObPCcSWMGFwvfanA1hC0ejJd8MeygqAtdpQiJmikYJfP dUVvCnQVMahdhTuVlD3oLvmtp3qo49CSrgZ2mY19Q2BpbJCP9IN6Ju/nv6bKz5MV3oVIVaZQ9y6AO CncQC8e3voFVrwuvLERm2wkrIUh4RZPENUdRzx+infSLVE7apPSVOzAScY32dwSNJD5I9/h1+dyPY 9hZD8yJGehC//Cx2hVgkw3ZkrshbT0pdf/50xDMQ0lXYlTaSflVtiQdTLMCmqt9Wo+VkVuObQfjWy Ic10lS44vdbS9+6YkYUQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hbQ8C-0001Xx-N9; Thu, 13 Jun 2019 13:51:08 +0000 Received: from mx07-00178001.pphosted.com ([62.209.51.94]) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hbQ7S-0000m4-I3 for linux-arm-kernel@lists.infradead.org; Thu, 13 Jun 2019 13:50:24 +0000 Received: from pps.filterd (m0046668.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x5DDlO4w027701; Thu, 13 Jun 2019 15:50:15 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=st.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=STMicroelectronics; bh=Psif9qopZgVPe8dWo9XocFzMybtKO3gMouXdNYlMSBI=; b=WIoDnfwT2Lvl5uka5QWoFdeeNPZ8oP5D+fSpCiLpQo+CZTFie4V1i/ds6flvxctfD3bt gjMy0/+VEx8OfkjzhrlUEeH7VPZ2zSKPs16TJ5gdyLu94+bZREimLhgEu8jaQEGlTaT+ NE9CKsRRaA0NW4qHeUZBO/fEDFxKHQW0BQ6OfzD0bBX66di2q88gu4Uh4VNXrL3OH+y5 XyQn8fv3w7fvZgm3Ji5Z7eu3f9elrRdc2uYKp10PQZD260O9VikoFhw4/2ZgMZTC5WOF /mR/IbyxnA51uD+v5+q7VE/qgS3neJQTQHSd8PEGphh7o1wUoJij1EyvMeAkM8Ba58xh SQ== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 2t2f8c49a3-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Thu, 13 Jun 2019 15:50:15 +0200 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id CE9F73D; Thu, 13 Jun 2019 13:50:14 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas24.st.com [10.75.90.94]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 736032BC2; Thu, 13 Jun 2019 13:50:14 +0000 (GMT) Received: from SAFEX1HUBCAS22.st.com (10.75.90.93) by Safex1hubcas24.st.com (10.75.90.94) with Microsoft SMTP Server (TLS) id 14.3.439.0; Thu, 13 Jun 2019 15:50:14 +0200 Received: from localhost (10.201.23.31) by Webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.439.0; Thu, 13 Jun 2019 15:50:13 +0200 From: Erwan Le Ray To: Greg Kroah-Hartman , Jiri Slaby , Maxime Coquelin , "Alexandre Torgue" , Rob Herring , "Mark Rutland" Subject: [PATCH v3 02/10] dt-bindings: serial: add optional pinctrl states Date: Thu, 13 Jun 2019 15:49:52 +0200 Message-ID: <1560433800-12255-3-git-send-email-erwan.leray@st.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1560433800-12255-1-git-send-email-erwan.leray@st.com> References: <1560433800-12255-1-git-send-email-erwan.leray@st.com> MIME-Version: 1.0 X-Originating-IP: [10.201.23.31] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-06-13_08:, , signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190613_065022_912727_BF39488E X-CRM114-Status: GOOD ( 11.37 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Erwan Le Ray , linux-serial@vger.kernel.org, Bich Hemon , Fabrice Gasnier , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Bich Hemon Add options for pinctrl states: - "sleep" for low power - "idle" for low power and wakeup capabilities enabled - "no_console_suspend" for enabling console messages in low power Signed-off-by: Bich Hemon Signed-off-by: Erwan Le Ray diff --git a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt index 5ec80c1..64a5ea9 100644 --- a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt +++ b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt @@ -13,7 +13,14 @@ Required properties: - clocks: The input clock of the USART instance Optional properties: -- pinctrl: The reference on the pins configuration +- pinctrl-names: Set to "default". An additional "sleep" state can be defined + to set pins in sleep state when in low power. In case the device is used as + a wakeup source, "idle" state is defined in order to keep RX pin active. + For a console device, an optional state "no_console_suspend" can be defined + to enable console messages during suspend. Typically, "no_console_suspend" and + "default" states can refer to the same pin configuration. +- pinctrl-n: Phandle(s) pointing to pin configuration nodes. + For Pinctrl properties see ../pinctrl/pinctrl-bindings.txt - st,hw-flow-ctrl: bool flag to enable hardware flow control. - rs485-rts-delay, rs485-rx-during-tx, rs485-rts-active-low, linux,rs485-enabled-at-boot-time: see rs485.txt. @@ -31,8 +38,11 @@ usart4: serial@40004c00 { reg = <0x40004c00 0x400>; interrupts = <52>; clocks = <&clk_pclk1>; - pinctrl-names = "default"; + pinctrl-names = "default", "sleep", "idle", "no_console_suspend"; pinctrl-0 = <&pinctrl_usart4>; + pinctrl-1 = <&pinctrl_usart4_sleep>; + pinctrl-2 = <&pinctrl_usart4_idle>; + pinctrl-3 = <&pinctrl_usart4>; }; usart2: serial@40004400 { -- 1.9.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel From mboxrd@z Thu Jan 1 00:00:00 1970 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=-8.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 2B0A7C31E45 for ; Thu, 13 Jun 2019 15:12:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 02B0120896 for ; Thu, 13 Jun 2019 15:12:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=st.com header.i=@st.com header.b="WIoDnfwT" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733043AbfFMPMG (ORCPT ); Thu, 13 Jun 2019 11:12:06 -0400 Received: from mx07-00178001.pphosted.com ([62.209.51.94]:21666 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732291AbfFMNub (ORCPT ); Thu, 13 Jun 2019 09:50:31 -0400 Received: from pps.filterd (m0046668.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x5DDlO4w027701; Thu, 13 Jun 2019 15:50:15 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=st.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=STMicroelectronics; bh=Psif9qopZgVPe8dWo9XocFzMybtKO3gMouXdNYlMSBI=; b=WIoDnfwT2Lvl5uka5QWoFdeeNPZ8oP5D+fSpCiLpQo+CZTFie4V1i/ds6flvxctfD3bt gjMy0/+VEx8OfkjzhrlUEeH7VPZ2zSKPs16TJ5gdyLu94+bZREimLhgEu8jaQEGlTaT+ NE9CKsRRaA0NW4qHeUZBO/fEDFxKHQW0BQ6OfzD0bBX66di2q88gu4Uh4VNXrL3OH+y5 XyQn8fv3w7fvZgm3Ji5Z7eu3f9elrRdc2uYKp10PQZD260O9VikoFhw4/2ZgMZTC5WOF /mR/IbyxnA51uD+v5+q7VE/qgS3neJQTQHSd8PEGphh7o1wUoJij1EyvMeAkM8Ba58xh SQ== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 2t2f8c49a3-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Thu, 13 Jun 2019 15:50:15 +0200 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id CE9F73D; Thu, 13 Jun 2019 13:50:14 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas24.st.com [10.75.90.94]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 736032BC2; Thu, 13 Jun 2019 13:50:14 +0000 (GMT) Received: from SAFEX1HUBCAS22.st.com (10.75.90.93) by Safex1hubcas24.st.com (10.75.90.94) with Microsoft SMTP Server (TLS) id 14.3.439.0; Thu, 13 Jun 2019 15:50:14 +0200 Received: from localhost (10.201.23.31) by Webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.439.0; Thu, 13 Jun 2019 15:50:13 +0200 From: Erwan Le Ray To: Greg Kroah-Hartman , Jiri Slaby , Maxime Coquelin , "Alexandre Torgue" , Rob Herring , "Mark Rutland" CC: , , , , , Erwan Le Ray , "Fabrice Gasnier" , Bich Hemon Subject: [PATCH v3 02/10] dt-bindings: serial: add optional pinctrl states Date: Thu, 13 Jun 2019 15:49:52 +0200 Message-ID: <1560433800-12255-3-git-send-email-erwan.leray@st.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1560433800-12255-1-git-send-email-erwan.leray@st.com> References: <1560433800-12255-1-git-send-email-erwan.leray@st.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.201.23.31] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-06-13_08:,, signatures=0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Bich Hemon Add options for pinctrl states: - "sleep" for low power - "idle" for low power and wakeup capabilities enabled - "no_console_suspend" for enabling console messages in low power Signed-off-by: Bich Hemon Signed-off-by: Erwan Le Ray diff --git a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt index 5ec80c1..64a5ea9 100644 --- a/Documentation/devicetree/bindings/serial/st,stm32-usart.txt +++ b/Documentation/devicetree/bindings/serial/st,stm32-usart.txt @@ -13,7 +13,14 @@ Required properties: - clocks: The input clock of the USART instance Optional properties: -- pinctrl: The reference on the pins configuration +- pinctrl-names: Set to "default". An additional "sleep" state can be defined + to set pins in sleep state when in low power. In case the device is used as + a wakeup source, "idle" state is defined in order to keep RX pin active. + For a console device, an optional state "no_console_suspend" can be defined + to enable console messages during suspend. Typically, "no_console_suspend" and + "default" states can refer to the same pin configuration. +- pinctrl-n: Phandle(s) pointing to pin configuration nodes. + For Pinctrl properties see ../pinctrl/pinctrl-bindings.txt - st,hw-flow-ctrl: bool flag to enable hardware flow control. - rs485-rts-delay, rs485-rx-during-tx, rs485-rts-active-low, linux,rs485-enabled-at-boot-time: see rs485.txt. @@ -31,8 +38,11 @@ usart4: serial@40004c00 { reg = <0x40004c00 0x400>; interrupts = <52>; clocks = <&clk_pclk1>; - pinctrl-names = "default"; + pinctrl-names = "default", "sleep", "idle", "no_console_suspend"; pinctrl-0 = <&pinctrl_usart4>; + pinctrl-1 = <&pinctrl_usart4_sleep>; + pinctrl-2 = <&pinctrl_usart4_idle>; + pinctrl-3 = <&pinctrl_usart4>; }; usart2: serial@40004400 { -- 1.9.1