From patchwork Wed Apr 3 05:32:57 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yoshihiro Shimoda X-Patchwork-Id: 13614968 Received: from relmlie6.idc.renesas.com (relmlor2.renesas.com [210.160.252.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 2CA2A46425; Wed, 3 Apr 2024 05:33:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=210.160.252.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712122394; cv=none; b=pPHgBFFyGstXm539+8PAVOTpfvYWEZeGwftcb+uB1/E0gRj3OpBtlDGEc7PW+sCIe173nBlSMryVotglhJxjqdiygZ4zZsC2D/pPNuUeWPhcVPgsnM/SkN9gpwKJS8lYcElZtCPaRAJlFfiP6zoTkZJiJADNhEgWe8MnBqoFmeY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712122394; c=relaxed/simple; bh=xDhXjAvXqTCmcUrvtexn41JXCf26s2FR6f/j30L6SMQ=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=D8lkB65uKNj6g2eks6A+u7YcemIa50aHYpGPj760B+z8ieE7KM8k4HbRJ7D1myvWnwdf8wxsRTW0Q5XLBPVIjyHe2zXCCJ7Tfr5Mh1TqNMzoEuFDyHdm1QNwZ41ytZ+Pc+NfIugK6EN78pjF5Jw9PrEg4QIPRPPrNp0jYe8kbbI= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=renesas.com; spf=pass smtp.mailfrom=renesas.com; arc=none smtp.client-ip=210.160.252.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=renesas.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=renesas.com X-IronPort-AV: E=Sophos;i="6.07,176,1708354800"; d="scan'208";a="204148816" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie6.idc.renesas.com with ESMTP; 03 Apr 2024 14:33:08 +0900 Received: from localhost.localdomain (unknown [10.166.13.99]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id 84059400296A; Wed, 3 Apr 2024 14:33:08 +0900 (JST) From: Yoshihiro Shimoda To: lpieralisi@kernel.org, kw@linux.com, robh@kernel.org, bhelgaas@google.com, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, jingoohan1@gmail.com, mani@kernel.org Cc: marek.vasut+renesas@gmail.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Yoshihiro Shimoda Subject: [PATCH v4 0/7] PCI: dwc: rcar-gen4: Add R-Car V4H support Date: Wed, 3 Apr 2024 14:32:57 +0900 Message-Id: <20240403053304.3695096-1-yoshihiro.shimoda.uh@renesas.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 The pcie-rcar-gen4 driver can reuse other R-Car Gen4 support like r8a779g0 (R-Car V4H) and r8a779h0 (R-Car V4M). However, some initializing settings differ between R-Car S4-8 (r8a779f0) and others. The R-Car S4-8 will be minority about the setting way. So, R-Car V4H will be majority and this is generic initialization way as "renesas,rcar-gen4-pcie{-ep}" compatible. For now, I tested both R-Car S4-8 and R-Car V4H on this driver. I'll support one more other SoC (R-Car V4M) in the future. Changes from v3: https://lore.kernel.org/linux-pci/20240401023942.134704-1-yoshihiro.shimoda.uh@renesas.com/ - Modify the code to use "do .. while" instead of goto in patch 6/7. Changes from v2: https://lore.kernel.org/linux-pci/20240326024540.2336155-1-yoshihiro.shimoda.uh@renesas.com/ - Add a new patch which just add a platdata in patch 4/7. - Modify the subjects in patch [56]/7. - Modify the description and code about Bjorn's comment in patch [56]/7. - Add missing MODULE_FIRMWARE(9 in patch 6/7. - Document a policy aboud adding pci_device_id instead of adding r8a779g0's id in patch 7/7. Changes from v1: https://lore.kernel.org/linux-pci/20240229120719.2553638-1-yoshihiro.shimoda.uh@renesas.com/ - Based on v6.9-rc1. - Add Acked-by and/or Reviewed-by in patch [126/6]. Yoshihiro Shimoda (7): dt-bindings: PCI: rcar-gen4-pci-host: Add R-Car V4H compatible dt-bindings: PCI: rcar-gen4-pci-ep: Add R-Car V4H compatible PCI: dwc: Add PCIE_PORT_{FORCE,LANE_SKEW} macros PCI: dwc: rcar-gen4: Add rcar_gen4_pcie_platdata PCI: dwc: rcar-gen4: Add .ltssm_enable() for other SoC support PCI: dwc: rcar-gen4: Add support for r8a779g0 misc: pci_endpoint_test: Document a policy about adding pci_device_id .../bindings/pci/rcar-gen4-pci-ep.yaml | 4 +- .../bindings/pci/rcar-gen4-pci-host.yaml | 4 +- drivers/misc/pci_endpoint_test.c | 1 + drivers/pci/controller/dwc/pcie-designware.h | 6 + drivers/pci/controller/dwc/pcie-rcar-gen4.c | 272 +++++++++++++++++- 5 files changed, 270 insertions(+), 17 deletions(-)