From patchwork Tue Jul 14 03:23:18 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dillon Min X-Patchwork-Id: 11661349 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D3ED8913 for ; Tue, 14 Jul 2020 03:23:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BADE1221E6 for ; Tue, 14 Jul 2020 03:23:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="I3Ozj2Ld" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726629AbgGNDX1 (ORCPT ); Mon, 13 Jul 2020 23:23:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35990 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726435AbgGNDX0 (ORCPT ); Mon, 13 Jul 2020 23:23:26 -0400 Received: from mail-pg1-x541.google.com (mail-pg1-x541.google.com [IPv6:2607:f8b0:4864:20::541]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1B70FC061755; Mon, 13 Jul 2020 20:23:26 -0700 (PDT) Received: by mail-pg1-x541.google.com with SMTP id s189so1924484pgc.13; Mon, 13 Jul 2020 20:23:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=xW5/BabNEIvpDOfbtUR9xY+c9eab4OK4y+/ElG/HHWo=; b=I3Ozj2LdraXWTsbMzEfYCxicSyC/Sa7NMra7F1PtGAGy9xQZj+TC61P3+F9caJO819 QDws7LMCyA/0it6sG30unvvKnxU55JR+zndf0Gozr7NVKte/zyNwbaHotdglzIKmeStv IkJHwcyCQ2pCWNBhWzfZlVLIdAELN5FkHm7KiaOXwjsUQBag2g4DlP2Qp5qHw2vi/HWh ZchcetBT9Y+hiP4LjVclRVQA4q2WNUyqo1/srwUgEIchWX5Lr3hjzR6hW/ktHZFVR+5m 5VIoOEk0OsZ5tXB8mHhnjPBHuT5P48vdDsSoHXrIlUxjCx6mTdnm4WS7KRFFRI6B+z4n JiKA== 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; bh=xW5/BabNEIvpDOfbtUR9xY+c9eab4OK4y+/ElG/HHWo=; b=qiatt0cI0Mn6JHAfqTAJu7GdvVLSbWfMQ9AvW5BKC4/Cgl3mnH9j5PXKQDSucXXF/g G0fP3/Kru6fFbAll4nYJxK8FsLojkRc+nG/t10YKqddZpecAeFxLGMFzRkpfCYFj8ZV9 fXyxv43FetGRM9jYtCn6Fe+gRWcK++9WtJzVrF8BpF1x2G7KB6ZKaKSScWDIm/sefkgt fInKDuBPT+T0+8lLxI/D0DlR5meNzDo17yW74SlyiRu6X9duS1VsQxcshOcwSLqlpFdV dko1K8d+itGdPStuTTp/esw3BpbaNGU+dthxla5pTLIIL22iR5TUZsr8I+WjKGvsni2o Ye1A== X-Gm-Message-State: AOAM5309WhYtpOMhwYIdMWRmRX70eMLvaPL5rjtIkJJh81yyDJOpaMJc Lod7mYGvX3TsURhJWKOPOVUNbXkSaZg= X-Google-Smtp-Source: ABdhPJxxORme6Q3TuPJzp9CBnVooakCTgBJw/bYUDbA95N5iNpBAUOq8mPtWEX4loWdX/M44VdDqdg== X-Received: by 2002:a63:d74c:: with SMTP id w12mr1852456pgi.260.1594697005581; Mon, 13 Jul 2020 20:23:25 -0700 (PDT) Received: from fmin-OptiPlex-7060.nreal.work ([103.206.191.8]) by smtp.gmail.com with ESMTPSA id c139sm15243184pfb.65.2020.07.13.20.23.23 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 13 Jul 2020 20:23:25 -0700 (PDT) From: dillon.minfei@gmail.com To: sfr@canb.auug.org.au, bcousson@baylibre.com, tony@atomide.com, robh+dt@kernel.org Cc: linux-omap@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dillon min Subject: [PATCH v2] Since am437x have the same clock structure with am335x [1][2], reuse the code from Tony Lindgren's patch [3] to fix dcan probe failed on am437x platform. Date: Tue, 14 Jul 2020 11:23:18 +0800 Message-Id: <1594696998-3995-2-git-send-email-dillon.minfei@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1594696998-3995-1-git-send-email-dillon.minfei@gmail.com> References: <1594696998-3995-1-git-send-email-dillon.minfei@gmail.com> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org From: dillon min Fixes: 1a5cd7c23cc5 ("bus: ti-sysc: Enable all clocks directly during init to read revision") [1]: https://www.ti.com/lit/pdf/spruh73 Chapter-23, Figure 23-1. DCAN Integration [2]: https://www.ti.com/lit/pdf/spruhl7 Chapter-25, Figure 25-1. DCAN Integration [3]: commit 516f1117d0fb ("ARM: dts: Configure osc clock for d_can on am335x") Signed-off-by: dillon min Signed-off-by: dillon min Signed-off-by: dillon min --- Hi Stephen, This changes correct commit messages based on your reviewing. make Fixes tags to oneline. make all commit message tags at the end of commit message arch/arm/boot/dts/am437x-l4.dtsi | 14 ++++++++++---- 1 file changed, 10 insertions(+), 4 deletions(-) diff --git a/arch/arm/boot/dts/am437x-l4.dtsi b/arch/arm/boot/dts/am437x-l4.dtsi index 0d0f9fe4a882..4129affde54e 100644 --- a/arch/arm/boot/dts/am437x-l4.dtsi +++ b/arch/arm/boot/dts/am437x-l4.dtsi @@ -1541,8 +1541,9 @@ reg = <0xcc020 0x4>; reg-names = "rev"; /* Domains (P, C): per_pwrdm, l4ls_clkdm */ - clocks = <&l4ls_clkctrl AM4_L4LS_D_CAN0_CLKCTRL 0>; - clock-names = "fck"; + clocks = <&l4ls_clkctrl AM4_L4LS_D_CAN0_CLKCTRL 0>, + <&dcan0_fck>; + clock-names = "fck", "osc"; #address-cells = <1>; #size-cells = <1>; ranges = <0x0 0xcc000 0x2000>; @@ -1550,6 +1551,8 @@ dcan0: can@0 { compatible = "ti,am4372-d_can", "ti,am3352-d_can"; reg = <0x0 0x2000>; + clocks = <&dcan0_fck>; + clock-names = "fck"; syscon-raminit = <&scm_conf 0x644 0>; interrupts = ; status = "disabled"; @@ -1561,8 +1564,9 @@ reg = <0xd0020 0x4>; reg-names = "rev"; /* Domains (P, C): per_pwrdm, l4ls_clkdm */ - clocks = <&l4ls_clkctrl AM4_L4LS_D_CAN1_CLKCTRL 0>; - clock-names = "fck"; + clocks = <&l4ls_clkctrl AM4_L4LS_D_CAN1_CLKCTRL 0>, + <&dcan1_fck>; + clock-names = "fck", "osc"; #address-cells = <1>; #size-cells = <1>; ranges = <0x0 0xd0000 0x2000>; @@ -1570,6 +1574,8 @@ dcan1: can@0 { compatible = "ti,am4372-d_can", "ti,am3352-d_can"; reg = <0x0 0x2000>; + clocks = <&dcan1_fck>; + clock-name = "fck"; syscon-raminit = <&scm_conf 0x644 1>; interrupts = ; status = "disabled";