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From: Siddharth Vadapalli <s-vadapalli@ti.com>
To: <lpieralisi@kernel.org>, <robh@kernel.org>, <kw@linux.com>,
	<bhelgaas@google.com>, <krzysztof.kozlowski+dt@linaro.org>,
	<conor+dt@kernel.org>, <vigneshr@ti.com>, <tjoseph@cadence.com>
Cc: <linux-pci@vger.kernel.org>, <devicetree@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>, <r-gunasekaran@ti.com>,
	<danishanwar@ti.com>, <srk@ti.com>, <nm@ti.com>,
	<s-vadapalli@ti.com>
Subject: [PATCH v13 5/5] PCI: j721e: add j784s4 PCIe configuration
Date: Tue, 28 Nov 2023 11:14:02 +0530	[thread overview]
Message-ID: <20231128054402.2155183-6-s-vadapalli@ti.com> (raw)
In-Reply-To: <20231128054402.2155183-1-s-vadapalli@ti.com>

From: Matt Ranostay <mranostay@ti.com>

Add PCIe configuration for j784s4 platform which has 4x lane support.

Tested-by: Achal Verma <a-verma1@ti.com>
Signed-off-by: Matt Ranostay <mranostay@ti.com>
Reviewed-by: Roger Quadros <rogerq@kernel.org>
Signed-off-by: Achal Verma <a-verma1@ti.com>
Signed-off-by: Siddharth Vadapalli <s-vadapalli@ti.com>
---
 drivers/pci/controller/cadence/pci-j721e.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/drivers/pci/controller/cadence/pci-j721e.c b/drivers/pci/controller/cadence/pci-j721e.c
index 645597856a1d..85718246016b 100644
--- a/drivers/pci/controller/cadence/pci-j721e.c
+++ b/drivers/pci/controller/cadence/pci-j721e.c
@@ -330,6 +330,20 @@ static const struct j721e_pcie_data am64_pcie_ep_data = {
 	.max_lanes = 1,
 };
 
+static const struct j721e_pcie_data j784s4_pcie_rc_data = {
+	.mode = PCI_MODE_RC,
+	.quirk_retrain_flag = true,
+	.byte_access_allowed = false,
+	.linkdown_irq_regfield = LINK_DOWN,
+	.max_lanes = 4,
+};
+
+static const struct j721e_pcie_data j784s4_pcie_ep_data = {
+	.mode = PCI_MODE_EP,
+	.linkdown_irq_regfield = LINK_DOWN,
+	.max_lanes = 4,
+};
+
 static const struct of_device_id of_j721e_pcie_match[] = {
 	{
 		.compatible = "ti,j721e-pcie-host",
@@ -355,6 +369,14 @@ static const struct of_device_id of_j721e_pcie_match[] = {
 		.compatible = "ti,am64-pcie-ep",
 		.data = &am64_pcie_ep_data,
 	},
+	{
+		.compatible = "ti,j784s4-pcie-host",
+		.data = &j784s4_pcie_rc_data,
+	},
+	{
+		.compatible = "ti,j784s4-pcie-ep",
+		.data = &j784s4_pcie_ep_data,
+	},
 	{},
 };
 
-- 
2.34.1


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  parent reply	other threads:[~2023-11-28  5:45 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-11-28  5:43 [PATCH v13 0/5] PCI: add 4x lane support for pci-j721e controllers Siddharth Vadapalli
2023-11-28  5:43 ` [PATCH v13 1/5] dt-bindings: PCI: ti,j721e-pci-*: add checks for num-lanes Siddharth Vadapalli
2023-11-28  5:43 ` [PATCH v13 2/5] dt-bindings: PCI: ti,j721e-pci-*: add j784s4-pci-* compatible strings Siddharth Vadapalli
2023-11-28  5:44 ` [PATCH v13 3/5] PCI: j721e: Add per platform maximum lane settings Siddharth Vadapalli
2023-12-05  5:12   ` Ravi Gunasekaran
2023-11-28  5:44 ` [PATCH v13 4/5] PCI: j721e: Add PCIe 4x lane selection support Siddharth Vadapalli
2023-11-28  5:44 ` Siddharth Vadapalli [this message]
2023-12-11  8:57 ` [PATCH v13 0/5] PCI: add 4x lane support for pci-j721e controllers Maxime Ripard
2023-12-13 19:13   ` Krzysztof Wilczyński
2023-12-13 19:05 ` Krzysztof Wilczyński

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