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=-9.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,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 B3D7FC43381 for ; Mon, 4 Mar 2019 08:59:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 838F32070B for ; Mon, 4 Mar 2019 08:59:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="cb23GoF1" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726294AbfCDI7R (ORCPT ); Mon, 4 Mar 2019 03:59:17 -0500 Received: from mail-pg1-f194.google.com ([209.85.215.194]:34649 "EHLO mail-pg1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726177AbfCDI7Q (ORCPT ); Mon, 4 Mar 2019 03:59:16 -0500 Received: by mail-pg1-f194.google.com with SMTP id i130so2622847pgd.1 for ; Mon, 04 Mar 2019 00:59:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :in-reply-to:references; bh=erjr86oMLhdwQf8KWy1LxxMQVqAK5fko/hTjOOdELXM=; b=cb23GoF1rFTCR3NT0z1HHqUH3WdzZ/dCIhy6/WnT5dmwIgz35dDJsZOnHsPbszXzB1 MypgQ9kGA4ucK/5Ha3Lt6JKyLrgSH02NaKXwZNRRokkET1u+qz+a0+jrGqWaNjpqYII1 JItWci+qsRCshGdGqKc1S063Wq+RKB9LjGssGmn06sHUfrv3aN0O74xW1CZDTTXwc3tS 7s/BO7Oz9+q4dIuYK1CC8JWCKMJ1mHBPcOSXkcyCy96uM+O82zswvdRSqBdg67IzsApd FHtybPvmneKWmuAFalmPbORSP0umz4WrbcOBpyM5effr5eEA7zdLZgm+MCHKMKPcntmo ljXw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:in-reply-to:references; bh=erjr86oMLhdwQf8KWy1LxxMQVqAK5fko/hTjOOdELXM=; b=HHf35Vur4bGZjldLkV0j5ZCk2iw+vgOa/pqZfalq8OoXVHyAKo5n/vFNtkoscQQWiT lCtbVyzj3ZqCC6ZRhF/VOcLC6hJvA8XEjGHhS7keT581RphGWtpE/TaqP8E+JZDP0krH 6i94EjK2g7DRW6f3bK+DuQGzTfpRAziaJNQ+Ojh8+dx4g3nvlFziayXPK45X6lExrsFQ Pogr0P5/OJ+HLt0Brnh0RPKhdW+0BISDfw8rDpxLEXla/lSW8SYBLSHMmv4s+9JUvZHM 8lzKmdOjEozsu3UR/sBHca5hxb9lZUga9voufGAs+ikcVoS3QuaYhdDC1VVDUHSjQKr8 QJ/g== X-Gm-Message-State: APjAAAV/M9E4IZD7HIud+9m1BaU4V3W/HHWgWOXtZtanQelUcoLIo22b nDP6rsmjIDc2fc2LzA7BHOihpw== X-Google-Smtp-Source: APXvYqwfH5XIzZ2A914lPKbkf3WzB4Dyc3t6aLlJu/hMS9Tv+cfevyAQePFD57izZ3DUXozVG1d24Q== X-Received: by 2002:a17:902:b708:: with SMTP id d8mr18875488pls.322.1551689955316; Mon, 04 Mar 2019 00:59:15 -0800 (PST) Received: from baolinwangubtpc.spreadtrum.com ([117.18.48.102]) by smtp.gmail.com with ESMTPSA id k8sm7395523pgg.75.2019.03.04.00.59.10 (version=TLS1 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 04 Mar 2019 00:59:14 -0800 (PST) From: Baolin Wang To: gregkh@linuxfoundation.org, jslaby@suse.com, robh+dt@kernel.org, mark.rutland@arm.com, orsonzhai@gmail.com, zhang.lyra@gmail.com Cc: baolin.wang@linaro.org, broonie@kernel.org, lanqing.liu@unisoc.com, linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v2 1/4] dt-bindings: serial: sprd: Add clocks and clocks-names properties Date: Mon, 4 Mar 2019 16:58:21 +0800 Message-Id: <5ab4cff84b36146cfcdbc0a341a46ac6d9a05dd2.1551689518.git.baolin.wang@linaro.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Lanqing Liu This patch adds clocks and clocks-names properties, which are used to do power management for our UART driver. Reviewed-by: Rob Herring Signed-off-by: Lanqing Liu Signed-off-by: Baolin Wang --- .../devicetree/bindings/serial/sprd-uart.txt | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/serial/sprd-uart.txt b/Documentation/devicetree/bindings/serial/sprd-uart.txt index cab40f0..6eb5863 100644 --- a/Documentation/devicetree/bindings/serial/sprd-uart.txt +++ b/Documentation/devicetree/bindings/serial/sprd-uart.txt @@ -7,7 +7,13 @@ Required properties: - reg: offset and length of the register set for the device - interrupts: exactly one interrupt specifier -- clocks: phandles to input clocks. +- clock-names: Should contain following entries: + "enable" for UART module enable clock, + "uart" for UART clock, + "source" for UART source (parent) clock. +- clocks: Should contain a clock specifier for each entry in clock-names. + UART clock and source clock are optional properties, but enable clock + is required. Example: uart0: serial@0 { @@ -15,5 +21,6 @@ Example: "sprd,sc9836-uart"; reg = <0x0 0x100>; interrupts = ; - clocks = <&ext_26m>; + clock-names = "enable", "uart", "source"; + clocks = <&clk_ap_apb_gates 9>, <&clk_uart0>, <&ext_26m>; }; -- 1.7.9.5