linux-kernel - [PATCH v5 09/11] PCI: qcom: Add ipq8064 rev2 variant

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Date:   Tue,  2 Jun 2020 13:53:50 +0200
From:   Ansuel Smith <ansuelsmth@...il.com>
To:     Rob Herring <robh+dt@...nel.org>
Cc:     Ansuel Smith <ansuelsmth@...il.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Mark Rutland <mark.rutland@....com>,
        Stanimir Varbanov <svarbanov@...sol.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Andrew Murray <amurray@...goodpenguin.co.uk>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v5 09/11] PCI: qcom: Add ipq8064 rev2 variant

Ipq8064-v2 have tx term offset set to 0. Introduce this variant to permit
different offset based on the revision.

Signed-off-by: Ansuel Smith <ansuelsmth@...il.com>
---
 drivers/pci/controller/dwc/pcie-qcom.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c
index 2cd6d1456210..259b627bf890 100644
--- a/drivers/pci/controller/dwc/pcie-qcom.c
+++ b/drivers/pci/controller/dwc/pcie-qcom.c
@@ -366,7 +366,8 @@ static int qcom_pcie_init_2_1_0(struct qcom_pcie *pcie)
 	val &= ~BIT(0);
 	writel(val, pcie->parf + PCIE20_PARF_PHY_CTRL);
 
-	if (of_device_is_compatible(node, "qcom,pcie-ipq8064")) {
+	if (of_device_is_compatible(node, "qcom,pcie-ipq8064") ||
+	    of_device_is_compatible(node, "qcom,pcie-ipq8064-v2")) {
 		writel(PCS_DEEMPH_TX_DEEMPH_GEN1(24) |
 			       PCS_DEEMPH_TX_DEEMPH_GEN2_3_5DB(24) |
 			       PCS_DEEMPH_TX_DEEMPH_GEN2_6DB(34),
@@ -1464,6 +1465,7 @@ static int qcom_pcie_probe(struct platform_device *pdev)
 static const struct of_device_id qcom_pcie_match[] = {
 	{ .compatible = "qcom,pcie-apq8084", .data = &ops_1_0_0 },
 	{ .compatible = "qcom,pcie-ipq8064", .data = &ops_2_1_0 },
+	{ .compatible = "qcom,pcie-ipq8064-v2", .data = &ops_2_1_0 },
 	{ .compatible = "qcom,pcie-apq8064", .data = &ops_2_1_0 },
 	{ .compatible = "qcom,pcie-msm8996", .data = &ops_2_3_2 },
 	{ .compatible = "qcom,pcie-ipq8074", .data = &ops_2_3_3 },
-- 
2.25.1