From patchwork Tue Dec 1 07:24:29 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Simon Horman X-Patchwork-Id: 550706 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 4ABE6140291 for ; Tue, 1 Dec 2015 18:25:09 +1100 (AEDT) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=verge.net.au header.i=@verge.net.au header.b=kCLlOcLW; dkim-atps=neutral Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755347AbbLAHZG (ORCPT ); Tue, 1 Dec 2015 02:25:06 -0500 Received: from kirsty.vergenet.net ([202.4.237.240]:42978 "EHLO kirsty.vergenet.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755226AbbLAHZF (ORCPT ); Tue, 1 Dec 2015 02:25:05 -0500 Received: from reginn.isobedori.kobe.vergenet.net (p5254-ipbfp1403kobeminato.hyogo.ocn.ne.jp [114.152.48.254]) by kirsty.vergenet.net (Postfix) with ESMTPA id A489E25B7B5; Tue, 1 Dec 2015 18:24:59 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=verge.net.au; s=mail; t=1448954699; bh=qYbPkRlOpV1PiGgCk71i1zwIP853qwc241DIFxXf/Oo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=kCLlOcLWSUj2q+Ke07x/3u6/ZMQE+A8eiQGlmJJwF+v2d5rMzfDmJtY0krxcl85j6 VQ9SEEoR2GqQ0e7zi8sBl59721XjSxp8EPWH7jvE7Bmju6UWdj276sKH3fM4TayRps fDcGVnMa5NK/yAdCRlfq1zOzXluUa+Wz+90DM2FQ= Received: by reginn.isobedori.kobe.vergenet.net (Postfix, from userid 7100) id A83D69406B9; Tue, 1 Dec 2015 16:24:58 +0900 (JST) From: Simon Horman To: Bjorn Helgaas Cc: Magnus Damm , linux-pci@vger.kernel.org, linux-sh@vger.kernel.org, devicetree@vger.kernel.org, Simon Horman Subject: [PATCH 1/4] PCI: rcar-gen2: Add generic compatibility string Date: Tue, 1 Dec 2015 16:24:29 +0900 Message-Id: <1448954672-27236-2-git-send-email-horms+renesas@verge.net.au> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1448954672-27236-1-git-send-email-horms+renesas@verge.net.au> References: <1448954672-27236-1-git-send-email-horms+renesas@verge.net.au> Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Add fallback compatibility string for R-Car Gen 2 Family. This is in keeping with the fallback scheme being adopted wherever appropriate for drivers for Renesas SoCs. Signed-off-by: Simon Horman --- Documentation/devicetree/bindings/pci/pci-rcar-gen2.txt | 11 +++++++++-- drivers/pci/host/pci-rcar-gen2.c | 1 + 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/pci/pci-rcar-gen2.txt b/Documentation/devicetree/bindings/pci/pci-rcar-gen2.txt index 891463cb09c2..b19be08a8113 100644 --- a/Documentation/devicetree/bindings/pci/pci-rcar-gen2.txt +++ b/Documentation/devicetree/bindings/pci/pci-rcar-gen2.txt @@ -8,7 +8,14 @@ OHCI and EHCI controllers. Required properties: - compatible: "renesas,pci-r8a7790" for the R8A7790 SoC; "renesas,pci-r8a7791" for the R8A7791 SoC; - "renesas,pci-r8a7794" for the R8A7794 SoC. + "renesas,pci-r8a7794" for the R8A7794 SoC; + "renesas,pci-gen2" for a generic R-Car Gen2 compatible device. + + + When compatible with the generic version, nodes must list the + SoC-specific version corresponding to the platform first + followed by the generic version. + - reg: A list of physical regions to access the device: the first is the operational registers for the OHCI/EHCI controllers and the second is for the bridge configuration and control registers. @@ -32,7 +39,7 @@ Optional properties: Example SoC configuration: pci0: pci@ee090000 { - compatible = "renesas,pci-r8a7790"; + compatible = "renesas,pci-r8a7790", "renesas,pci-gen2"; clocks = <&mstp7_clks R8A7790_CLK_EHCI>; reg = <0x0 0xee090000 0x0 0xc00>, <0x0 0xee080000 0x0 0x1100>; diff --git a/drivers/pci/host/pci-rcar-gen2.c b/drivers/pci/host/pci-rcar-gen2.c index 62951165dcbb..a93403823353 100644 --- a/drivers/pci/host/pci-rcar-gen2.c +++ b/drivers/pci/host/pci-rcar-gen2.c @@ -430,6 +430,7 @@ static int rcar_pci_probe(struct platform_device *pdev) } static struct of_device_id rcar_pci_of_match[] = { + { .compatible = "renesas,pci-gen2", }, { .compatible = "renesas,pci-r8a7790", }, { .compatible = "renesas,pci-r8a7791", }, { .compatible = "renesas,pci-r8a7794", },