From patchwork Tue Jan 26 12:39:52 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Lindgren X-Patchwork-Id: 12046275 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 56F0BC432C3 for ; Tue, 26 Jan 2021 12:41:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 33C062310E for ; Tue, 26 Jan 2021 12:41:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2403859AbhAZMlH (ORCPT ); Tue, 26 Jan 2021 07:41:07 -0500 Received: from muru.com ([72.249.23.125]:53350 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2403801AbhAZMlD (ORCPT ); Tue, 26 Jan 2021 07:41:03 -0500 Received: from hillo.muru.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTP id 9F6F0820C; Tue, 26 Jan 2021 12:40:25 +0000 (UTC) From: Tony Lindgren To: linux-omap@vger.kernel.org Cc: =?utf-8?q?Beno=C3=AEt_Cousson?= , devicetree@vger.kernel.org, Kishon Vijay Abraham I , Bjorn Helgaas , Lorenzo Pieralisi , Vignesh Raghavendra , linux-pci@vger.kernel.org Subject: [PATCH 03/15] ARM: dts: Configure interconnect target module for dra7 pcie Date: Tue, 26 Jan 2021 14:39:52 +0200 Message-Id: <20210126124004.52550-4-tony@atomide.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210126124004.52550-1-tony@atomide.com> References: <20210126124004.52550-1-tony@atomide.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org We can now probe devices with device tree only configuration using ti-sysc interconnect target module driver. Let's configure the module, but keep the legacy "ti,hwmods" peroperty to avoid new boot time warnings. The legacy property will be removed in later patches together with the legacy platform data. Cc: Kishon Vijay Abraham I Signed-off-by: Tony Lindgren --- arch/arm/boot/dts/dra7.dtsi | 34 ++++++++++++++++++++++++++++++---- 1 file changed, 30 insertions(+), 4 deletions(-) diff --git a/arch/arm/boot/dts/dra7.dtsi b/arch/arm/boot/dts/dra7.dtsi --- a/arch/arm/boot/dts/dra7.dtsi +++ b/arch/arm/boot/dts/dra7.dtsi @@ -166,8 +166,21 @@ l4_per2: interconnect@48400000 { l4_per3: interconnect@48800000 { }; - axi@0 { - compatible = "simple-bus"; + /* + * Register access seems to have complex dependencies and also + * seems to need an enabled phy. See the TRM chapter for "Table + * 26-678. Main Sequence PCIe Controller Global Initialization" + * and also dra7xx_pcie_probe(). + */ + axi0: target-module@51000000 { + compatible = "ti,sysc-omap4", "ti,sysc"; + power-domains = <&prm_l3init>; + resets = <&prm_l3init 0>; + reset-names = "rstctrl"; + clocks = <&pcie_clkctrl DRA7_PCIE_PCIE1_CLKCTRL 0>, + <&pcie_clkctrl DRA7_PCIE_PCIE1_CLKCTRL 9>, + <&pcie_clkctrl DRA7_PCIE_PCIE1_CLKCTRL 10>; + clock-names = "fck", "phy-clk", "phy-clk-div"; #size-cells = <1>; #address-cells = <1>; ranges = <0x51000000 0x51000000 0x3000>, @@ -229,8 +242,21 @@ pcie1_ep: pcie_ep@51000000 { }; }; - axi@1 { - compatible = "simple-bus"; + /* + * Register access seems to have complex dependencies and also + * seems to need an enabled phy. See the TRM chapter for "Table + * 26-678. Main Sequence PCIe Controller Global Initialization" + * and also dra7xx_pcie_probe(). + */ + axi1: target-module@51800000 { + compatible = "ti,sysc-omap4", "ti,sysc"; + clocks = <&pcie_clkctrl DRA7_PCIE_PCIE2_CLKCTRL 0>, + <&pcie_clkctrl DRA7_PCIE_PCIE2_CLKCTRL 9>, + <&pcie_clkctrl DRA7_PCIE_PCIE2_CLKCTRL 10>; + clock-names = "fck", "phy-clk", "phy-clk-div"; + power-domains = <&prm_l3init>; + resets = <&prm_l3init 1>; + reset-names = "rstctrl"; #size-cells = <1>; #address-cells = <1>; ranges = <0x51800000 0x51800000 0x3000>,