linux-kernel - [PATCH v1 3/3] PCI: mediatek-gen3: Add support for MediaTek MT8196 SoC

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Message-ID: <20250623120058.109036-4-angelogioacchino.delregno@collabora.com>
Date: Mon, 23 Jun 2025 14:00:58 +0200
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: jianjun.wang@...iatek.com
Cc: ryder.lee@...iatek.com,
	bhelgaas@...gle.com,
	lpieralisi@...nel.org,
	kwilczynski@...nel.org,
	manivannan.sadhasivam@...aro.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	matthias.bgg@...il.com,
	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,
	kernel@...labora.com
Subject: [PATCH v1 3/3] PCI: mediatek-gen3: Add support for MediaTek MT8196 SoC

Introduce support for the PCI-Express Gen3 controller found in the
MT8196 (and MT6991) SoC by adding a compatible string and platform
specific data.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.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 00c9f2532870..43b99779274f 100644
--- a/drivers/pci/controller/pcie-mediatek-gen3.c
+++ b/drivers/pci/controller/pcie-mediatek-gen3.c
@@ -1359,6 +1359,15 @@ static const struct mtk_gen3_pcie_pdata mtk_pcie_soc_mt8192 = {
 	},
 };
 
+static const struct mtk_gen3_pcie_pdata mtk_pcie_soc_mt8196 = {
+	.power_up = mtk_pcie_power_up,
+	.phy_resets = {
+		.id[0] = "phy",
+		.num_resets = 1,
+	},
+	.sys_clk_rdy_time_us = 10,
+};
+
 static const struct mtk_gen3_pcie_pdata mtk_pcie_soc_en7581 = {
 	.power_up = mtk_pcie_en7581_power_up,
 	.phy_resets = {
@@ -1373,6 +1382,7 @@ static const struct mtk_gen3_pcie_pdata mtk_pcie_soc_en7581 = {
 static const struct of_device_id mtk_pcie_of_match[] = {
 	{ .compatible = "airoha,en7581-pcie", .data = &mtk_pcie_soc_en7581 },
 	{ .compatible = "mediatek,mt8192-pcie", .data = &mtk_pcie_soc_mt8192 },
+	{ .compatible = "mediatek,mt8196-pcie", .data = &mtk_pcie_soc_mt8196 },
 	{},
 };
 MODULE_DEVICE_TABLE(of, mtk_pcie_of_match);
-- 
2.49.0