--- /dev/null
+From patchwork Thu May 28 06:16:46 2020
+Content-Type: text/plain; charset="utf-8"
+MIME-Version: 1.0
+Content-Transfer-Encoding: 7bit
+X-Patchwork-Submitter: Chuanjia Liu <chuanjia.liu@mediatek.com>
+X-Patchwork-Id: 11574781
+Return-Path:
+ <SRS0=ftSA=7K=lists.infradead.org=linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@kernel.org>
+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 0A99B60D
+ for <patchwork-linux-mediatek@patchwork.kernel.org>;
+ Thu, 28 May 2020 06:19:04 +0000 (UTC)
+Received: from bombadil.infradead.org (bombadil.infradead.org
+ [198.137.202.133])
+ (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))
+ (No client certificate requested)
+ by mail.kernel.org (Postfix) with ESMTPS id DCC99208FE
+ for <patchwork-linux-mediatek@patchwork.kernel.org>;
+ Thu, 28 May 2020 06:19:03 +0000 (UTC)
+Authentication-Results: mail.kernel.org;
+ dkim=pass (2048-bit key) header.d=lists.infradead.org
+ header.i=@lists.infradead.org header.b="SpOi0ueF";
+ dkim=fail reason="signature verification failed" (1024-bit key)
+ header.d=mediatek.com header.i=@mediatek.com header.b="UGIBoIEG"
+DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org DCC99208FE
+Authentication-Results: mail.kernel.org;
+ dmarc=fail (p=none dis=none) header.from=mediatek.com
+Authentication-Results: mail.kernel.org;
+ spf=none
+ smtp.mailfrom=linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org
+DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed;
+ d=lists.infradead.org; s=bombadil.20170209; h=Sender:
+ Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post:
+ List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:
+ Message-ID:Date:Subject:To:From:Reply-To:Content-ID:Content-Description:
+ Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:
+ List-Owner; bh=LIr5poLUT/UdH6/akh/pnICGGa3rUBkN+4FhE1DyOrU=; b=SpOi0ueFcoJ/ka
+ 4esa6cDd5oU4fp0z684ZVPaVvvhm/azSZBBMYinHaAW6EvzKcMNYIX9grP8eg/728lEPNTKVq0I8H
+ PQZ9KvD4uTu8Opo1hD8LsRSLr+YLpNKt3KPOY/4gpwQ97uU9rI5PwkuAxPBgR949Vh5EiG0Vaww1H
+ Ep+I5BFRn2LVVQZP1Z7U0A0VUcOTLJ4znoWRLEXxtM9/Wd4hwQsrEPQszeDFti/RbwGfJ5efOb5UL
+ fhwBzSxELEzAAgH7env/XD2sSSpVf2Qsn6WO8D3ZepMtWrRtARiaRKSNxSBQTg2SSHcjmBSJSzcX+
+ w8wqWaUMs0crlBuZWS1g==;
+Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org)
+ by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux))
+ id 1jeBsc-0001tI-88; Thu, 28 May 2020 06:19:02 +0000
+Received: from mailgw01.mediatek.com ([216.200.240.184])
+ by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux))
+ id 1jeBsZ-0001rp-6g; Thu, 28 May 2020 06:19:01 +0000
+X-UUID: beeaf5765357439c91eab1f67ca7ef43-20200527
+DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed;
+ d=mediatek.com;
+ s=dk;
+ h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From;
+ bh=+IjWjsF/DhknqZB+lLSZ50cyvxDap+8w4tvqhp8Dv68=;
+ b=UGIBoIEGJUuq5pEvYEad1HVGpiv6yma+94hva83D2gD8lYmihRWkpJxB2yn+dVtNm7ZXXoQBf+jvvULOmslJgs1HZTLJTnjpdvLmQqo42OXRXSVpTE49HdRkJZDAIWIAReBfOEkFgNxcIX3uedrtnww/NLJ2lagrYPG5ET4lI2E=;
+X-UUID: beeaf5765357439c91eab1f67ca7ef43-20200527
+Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw01.mediatek.com
+ (envelope-from <chuanjia.liu@mediatek.com>)
+ (musrelay.mediatek.com ESMTP with TLS)
+ with ESMTP id 603406343; Wed, 27 May 2020 22:19:17 -0800
+Received: from mtkmbs07n1.mediatek.inc (172.21.101.16) by
+ MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id
+ 15.0.1497.2; Wed, 27 May 2020 23:18:47 -0700
+Received: from mtkcas07.mediatek.inc (172.21.101.84) by
+ mtkmbs07n1.mediatek.inc (172.21.101.16) with Microsoft SMTP Server (TLS) id
+ 15.0.1497.2; Thu, 28 May 2020 14:18:51 +0800
+Received: from localhost.localdomain (10.17.3.153) by mtkcas07.mediatek.inc
+ (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend
+ Transport; Thu, 28 May 2020 14:18:49 +0800
+From: <chuanjia.liu@mediatek.com>
+To: <robh+dt@kernel.org>, <ryder.lee@mediatek.com>, <matthias.bgg@gmail.com>
+Subject: [PATCH v2 2/4] PCI: mediatek: Use regmap to get shared pcie-cfg base
+Date: Thu, 28 May 2020 14:16:46 +0800
+Message-ID: <20200528061648.32078-3-chuanjia.liu@mediatek.com>
+X-Mailer: git-send-email 2.18.0
+In-Reply-To: <20200528061648.32078-1-chuanjia.liu@mediatek.com>
+References: <20200528061648.32078-1-chuanjia.liu@mediatek.com>
+MIME-Version: 1.0
+X-MTK: N
+X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3
+X-CRM114-CacheID: sfid-20200527_231859_251275_BED2B1E2
+X-CRM114-Status: GOOD ( 11.62 )
+X-Spam-Score: -0.2 (/)
+X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary:
+ Content analysis details: (-0.2 points)
+ pts rule name description
+ ---- ----------------------
+ --------------------------------------------------
+ -0.0 SPF_PASS SPF: sender matches SPF record
+ 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record
+ 0.0 MIME_BASE64_TEXT RAW: Message text disguised using base64
+ encoding
+ -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from
+ author's domain
+ 0.1 DKIM_SIGNED Message has a DKIM or DK signature,
+ not necessarily
+ valid
+ -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature
+ -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from
+ envelope-from domain
+ 0.0 UNPARSEABLE_RELAY Informational: message has unparseable relay
+ lines
+X-BeenThere: linux-mediatek@lists.infradead.org
+X-Mailman-Version: 2.1.29
+Precedence: list
+List-Id: <linux-mediatek.lists.infradead.org>
+List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-mediatek>,
+ <mailto:linux-mediatek-request@lists.infradead.org?subject=unsubscribe>
+List-Archive: <http://lists.infradead.org/pipermail/linux-mediatek/>
+List-Post: <mailto:linux-mediatek@lists.infradead.org>
+List-Help: <mailto:linux-mediatek-request@lists.infradead.org?subject=help>
+List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-mediatek>,
+ <mailto:linux-mediatek-request@lists.infradead.org?subject=subscribe>
+Cc: devicetree@vger.kernel.org, lorenzo.pieralisi@arm.com,
+ srv_heupstream@mediatek.com, "chuanjia.liu" <Chuanjia.Liu@mediatek.com>,
+ linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org,
+ jianjun.wang@mediatek.com, linux-mediatek@lists.infradead.org,
+ yong.wu@mediatek.com, bhelgaas@google.com,
+ linux-arm-kernel@lists.infradead.org, amurray@thegoodpenguin.co.uk
+Sender: "Linux-mediatek" <linux-mediatek-bounces@lists.infradead.org>
+Errors-To:
+ linux-mediatek-bounces+patchwork-linux-mediatek=patchwork.kernel.org@lists.infradead.org
+
+From: "chuanjia.liu" <Chuanjia.Liu@mediatek.com>
+
+Use regmap to get shared pcie-cfg base and change
+the method to get pcie irq.
+
+Signed-off-by: chuanjia.liu <Chuanjia.Liu@mediatek.com>
+---
+ drivers/pci/controller/pcie-mediatek.c | 25 ++++++++++++++++++-------
+ 1 file changed, 18 insertions(+), 7 deletions(-)
+
+--- a/drivers/pci/controller/pcie-mediatek.c
++++ b/drivers/pci/controller/pcie-mediatek.c
+@@ -14,6 +14,7 @@
+ #include <linux/irqchip/chained_irq.h>
+ #include <linux/irqdomain.h>
+ #include <linux/kernel.h>
++#include <linux/mfd/syscon.h>
+ #include <linux/msi.h>
+ #include <linux/module.h>
+ #include <linux/of_address.h>
+@@ -23,6 +24,7 @@
+ #include <linux/phy/phy.h>
+ #include <linux/platform_device.h>
+ #include <linux/pm_runtime.h>
++#include <linux/regmap.h>
+ #include <linux/reset.h>
+
+ #include "../pci.h"
+@@ -205,6 +207,7 @@ struct mtk_pcie_port {
+ * struct mtk_pcie - PCIe host information
+ * @dev: pointer to PCIe device
+ * @base: IO mapped register base
++ * @cfg: IO mapped register map for PCIe config
+ * @free_ck: free-run reference clock
+ * @mem: non-prefetchable memory resource
+ * @ports: pointer to PCIe port information
+@@ -213,6 +216,7 @@ struct mtk_pcie_port {
+ struct mtk_pcie {
+ struct device *dev;
+ void __iomem *base;
++ struct regmap *cfg;
+ struct clk *free_ck;
+
+ struct list_head ports;
+@@ -648,7 +652,7 @@ static int mtk_pcie_setup_irq(struct mtk
+ return err;
+ }
+
+- port->irq = platform_get_irq(pdev, port->slot);
++ port->irq = platform_get_irq_byname(pdev, "pcie_irq");
+ if (port->irq < 0)
+ return port->irq;
+
+@@ -674,12 +678,11 @@ static int mtk_pcie_startup_port_v2(stru
+ if (!mem)
+ return -EINVAL;
+
+- /* MT7622 platforms need to enable LTSSM and ASPM from PCIe subsys */
+- if (pcie->base) {
+- val = readl(pcie->base + PCIE_SYS_CFG_V2);
+- val |= PCIE_CSR_LTSSM_EN(port->slot) |
+- PCIE_CSR_ASPM_L1_EN(port->slot);
+- writel(val, pcie->base + PCIE_SYS_CFG_V2);
++ /* MT7622/MT7629 platforms need to enable LTSSM and ASPM. */
++ if (pcie->cfg) {
++ val = PCIE_CSR_LTSSM_EN(port->slot) |
++ PCIE_CSR_ASPM_L1_EN(port->slot);
++ regmap_update_bits(pcie->cfg, PCIE_SYS_CFG_V2, val, val);
+ }
+
+ /* Assert all reset signals */
+@@ -983,6 +986,7 @@ static int mtk_pcie_subsys_powerup(struc
+ struct device *dev = pcie->dev;
+ struct platform_device *pdev = to_platform_device(dev);
+ struct resource *regs;
++ struct device_node *cfg_node;
+ int err;
+
+ /* get shared registers, which are optional */
+@@ -995,6 +999,13 @@ static int mtk_pcie_subsys_powerup(struc
+ }
+ }
+
++ cfg_node = of_parse_phandle(dev->of_node, "mediatek,pcie-cfg", 0);
++ if (cfg_node) {
++ pcie->cfg = syscon_node_to_regmap(cfg_node);
++ if (IS_ERR(pcie->cfg))
++ return PTR_ERR(pcie->cfg);
++ }
++
+ pcie->free_ck = devm_clk_get(dev, "free_ck");
+ if (IS_ERR(pcie->free_ck)) {
+ if (PTR_ERR(pcie->free_ck) == -EPROBE_DEFER)
projects / openwrt / openwrt.git / blobdiff