linux-kernel - [PATCH 2/2] PCI: mediatek-gen3: add support for Airoha AN7583 SoC

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Message-ID: <20250920092612.21464-2-ansuelsmth@gmail.com>
Date: Sat, 20 Sep 2025 11:25:35 +0200
From: Christian Marangi <ansuelsmth@...il.com>
To: Ryder Lee <ryder.lee@...iatek.com>,
	Jianjun Wang <jianjun.wang@...iatek.com>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	Lorenzo Pieralisi <lpieralisi@...nel.org>,
	Krzysztof Wilczyński <kwilczynski@...nel.org>,
	Manivannan Sadhasivam <mani@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	linux-pci@...r.kernel.org,
	linux-mediatek@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	upstream@...oha.com
Cc: Christian Marangi <ansuelsmth@...il.com>
Subject: [PATCH 2/2] PCI: mediatek-gen3: add support for Airoha AN7583 SoC

Add support for Airoha AN7583 SoC that implement the same logic of
Airoha EN7581 with the only difference that only 1 PCIe line is
supported (for GEN3).

A dedicated compatible is defined with the pdata struct with the 1 reset
line.

Signed-off-by: Christian Marangi <ansuelsmth@...il.com>
---
 drivers/pci/controller/pcie-mediatek-gen3.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/pci/controller/pcie-mediatek-gen3.c b/drivers/pci/controller/pcie-mediatek-gen3.c
index 75ddb8bee168..db9985375be9 100644
--- a/drivers/pci/controller/pcie-mediatek-gen3.c
+++ b/drivers/pci/controller/pcie-mediatek-gen3.c
@@ -1360,8 +1360,18 @@ static const struct mtk_gen3_pcie_pdata mtk_pcie_soc_en7581 = {
 	.flags = SKIP_PCIE_RSTB,
 };
 
+static const struct mtk_gen3_pcie_pdata mtk_pcie_soc_an7583 = {
+	.power_up = mtk_pcie_en7581_power_up,
+	.phy_resets = {
+		.id[0] = "phy-lane0",
+		.num_resets = 1,
+	},
+	.flags = SKIP_PCIE_RSTB,
+};
+
 static const struct of_device_id mtk_pcie_of_match[] = {
 	{ .compatible = "airoha,en7581-pcie", .data = &mtk_pcie_soc_en7581 },
+	{ .compatible = "airoha,an7583-pcie-gen3", .data = &mtk_pcie_soc_an7583 },
 	{ .compatible = "mediatek,mt8192-pcie", .data = &mtk_pcie_soc_mt8192 },
 	{ .compatible = "mediatek,mt8196-pcie", .data = &mtk_pcie_soc_mt8196 },
 	{},
-- 
2.51.0