From patchwork Fri Feb 12 19:05:47 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Simon Horman X-Patchwork-Id: 8296031 Return-Path: X-Original-To: patchwork-linux-renesas-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 910CA9F372 for ; Fri, 12 Feb 2016 19:07:38 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id E85B720452 for ; Fri, 12 Feb 2016 19:07:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 22DE320434 for ; Fri, 12 Feb 2016 19:07:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751094AbcBLTHg (ORCPT ); Fri, 12 Feb 2016 14:07:36 -0500 Received: from kirsty.vergenet.net ([202.4.237.240]:41775 "EHLO kirsty.vergenet.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750961AbcBLTHg (ORCPT ); Fri, 12 Feb 2016 14:07:36 -0500 Received: from penelope.kanocho.kobe.vergenet.net (128-47-71-217.dyn.estpak.ee [217.71.47.128]) by kirsty.vergenet.net (Postfix) with ESMTPSA id 1812E25BEE7; Sat, 13 Feb 2016 06:06:48 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=verge.net.au; s=mail; t=1455304008; bh=fuQVBzC5bzJYMaN0fvEXhFbhksAUekmi96hTDpPr0S8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=U+SqWlYCAjGMl/Kq57FXdkZPQmM8Balt7uVC4GhD7Z8WiZi82vQWnFWYuAV45OWKG WrZpjUkKiPZywCPxGG2LPpodqR6r/zgoMhiuIi0ExOltvkwXxOKqtxEBapFwlzY/f9 oyBbr2DVtw3agrs9M66JeBhN9Ui0XLNZME5Cr+dE= Received: by penelope.kanocho.kobe.vergenet.net (Postfix, from userid 7100) id 2EE8C61169; Sat, 13 Feb 2016 06:06:11 +1100 (AEDT) From: Simon Horman To: linux-renesas-soc@vger.kernel.org Cc: linux-arm-kernel@lists.infradead.org, Magnus Damm , Geert Uytterhoeven , Simon Horman Subject: [PATCH 57/68] ARM: dts: r8a7790: Add BRG support for (H)SCIF Date: Fri, 12 Feb 2016 20:05:47 +0100 Message-Id: <42af65e88df70a32c3c1afa0e6d35022b379c6ae.1455303422.git.horms+renesas@verge.net.au> X-Mailer: git-send-email 2.7.0.rc3.207.g0ac5344 In-Reply-To: References: Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD,T_DKIM_INVALID,UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Geert Uytterhoeven Add the device node for the external SCIF_CLK. The presence of the SCIF_CLK crystal and its clock frequency depends on the actual board. Add the two optional clock sources (ZS_CLK and SCIF_CLK for the internal resp. external clock) for the Baud Rate Generator for External Clock (BRG) to all SCIF and HSCIF device nodes. This increases the range and accuracy of supported baud rates on (H)SCIF. Signed-off-by: Geert Uytterhoeven Signed-off-by: Simon Horman --- arch/arm/boot/dts/r8a7790.dtsi | 29 +++++++++++++++++++++-------- 1 file changed, 21 insertions(+), 8 deletions(-) diff --git a/arch/arm/boot/dts/r8a7790.dtsi b/arch/arm/boot/dts/r8a7790.dtsi index c5672745a1e5..c9583fa6cae7 100644 --- a/arch/arm/boot/dts/r8a7790.dtsi +++ b/arch/arm/boot/dts/r8a7790.dtsi @@ -667,8 +667,9 @@ "renesas,scif"; reg = <0 0xe6e60000 0 64>; interrupts = ; - clocks = <&mstp7_clks R8A7790_CLK_SCIF0>; - clock-names = "fck"; + clocks = <&mstp7_clks R8A7790_CLK_SCIF0>, <&zs_clk>, + <&scif_clk>; + clock-names = "fck", "brg_int", "scif_clk"; dmas = <&dmac0 0x29>, <&dmac0 0x2a>; dma-names = "tx", "rx"; power-domains = <&cpg_clocks>; @@ -680,8 +681,9 @@ "renesas,scif"; reg = <0 0xe6e68000 0 64>; interrupts = ; - clocks = <&mstp7_clks R8A7790_CLK_SCIF1>; - clock-names = "fck"; + clocks = <&mstp7_clks R8A7790_CLK_SCIF1>, <&zs_clk>, + <&scif_clk>; + clock-names = "fck", "brg_int", "scif_clk"; dmas = <&dmac0 0x2d>, <&dmac0 0x2e>; dma-names = "tx", "rx"; power-domains = <&cpg_clocks>; @@ -693,8 +695,9 @@ "renesas,rcar-gen2-hscif", "renesas,hscif"; reg = <0 0xe62c0000 0 96>; interrupts = ; - clocks = <&mstp7_clks R8A7790_CLK_HSCIF0>; - clock-names = "fck"; + clocks = <&mstp7_clks R8A7790_CLK_HSCIF0>, <&zs_clk>, + <&scif_clk>; + clock-names = "fck", "brg_int", "scif_clk"; dmas = <&dmac0 0x39>, <&dmac0 0x3a>; dma-names = "tx", "rx"; power-domains = <&cpg_clocks>; @@ -706,8 +709,9 @@ "renesas,rcar-gen2-hscif", "renesas,hscif"; reg = <0 0xe62c8000 0 96>; interrupts = ; - clocks = <&mstp7_clks R8A7790_CLK_HSCIF1>; - clock-names = "fck"; + clocks = <&mstp7_clks R8A7790_CLK_HSCIF1>, <&zs_clk>, + <&scif_clk>; + clock-names = "fck", "brg_int", "scif_clk"; dmas = <&dmac0 0x4d>, <&dmac0 0x4e>; dma-names = "tx", "rx"; power-domains = <&cpg_clocks>; @@ -996,6 +1000,15 @@ clock-output-names = "audio_clk_c"; }; + /* External SCIF clock */ + scif_clk: scif { + compatible = "fixed-clock"; + #clock-cells = <0>; + /* This value must be overridden by the board. */ + clock-frequency = <0>; + status = "disabled"; + }; + /* External USB clock - can be overridden by the board */ usb_extal_clk: usb_extal_clk { compatible = "fixed-clock";