From 4e40d36940e9d5159ba8a72e4ad04580025d5b94 Mon Sep 17 00:00:00 2001
From: Rudi Heitbaum <rudi@heitbaum.com>
Date: Tue, 1 Oct 2024 14:28:57 +0000
Subject: [PATCH] arm64: pci: add ext_osc

ext_osc from https://lore.kernel.org/lkml/1552467452-538-2-git-send-email-hongxing.zhu@nxp.com/
---
 drivers/pci/controller/dwc/pci-imx6.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c
index 74703362aeec..603ca50229ec 100644
--- a/drivers/pci/controller/dwc/pci-imx6.c
+++ b/drivers/pci/controller/dwc/pci-imx6.c
@@ -90,6 +90,7 @@ struct imx_pcie {
 	u32			tx_deemph_gen2_6db;
 	u32			tx_swing_full;
 	u32			tx_swing_low;
+	u32			ext_osc;
 	struct regulator	*vpcie;
 	struct regulator	*vph;
 	void __iomem		*phy_base;
@@ -1287,6 +1288,9 @@ static int imx_pcie_probe(struct platform_device *pdev)
 	if (IS_ERR(pci->dbi_base))
 		return PTR_ERR(pci->dbi_base);
 
+	if (of_property_read_u32(node, "ext_osc", &imx_pcie->ext_osc) < 0)
+		imx_pcie->ext_osc = 0;
+
 	/* Fetch GPIOs */
 	imx_pcie->reset_gpio = of_get_named_gpio(node, "reset-gpio", 0);
 	imx_pcie->gpio_active_high = of_property_read_bool(node,
-- 
2.43.0

