From patchwork Tue Jan 26 08:26:52 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tony Lindgren X-Patchwork-Id: 12047863 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=unavailable 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 2E4F4C433DB for ; Tue, 26 Jan 2021 19:06:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EE9DC2228A for ; Tue, 26 Jan 2021 19:06:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727362AbhAZRAo (ORCPT ); Tue, 26 Jan 2021 12:00:44 -0500 Received: from muru.com ([72.249.23.125]:52972 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389104AbhAZI2I (ORCPT ); Tue, 26 Jan 2021 03:28:08 -0500 Received: from hillo.muru.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTP id 0D5F88327; Tue, 26 Jan 2021 08:27:29 +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 , Balaji T K , Bjorn Helgaas , Lorenzo Pieralisi , Vignesh Raghavendra , linux-pci@vger.kernel.org Subject: [PATCH 03/27] ARM: dts: Configure interconnect target module for dra7 pcie Date: Tue, 26 Jan 2021 10:26:52 +0200 Message-Id: <20210126082716.54358-4-tony@atomide.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210126082716.54358-1-tony@atomide.com> References: <20210126082716.54358-1-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>,