linux-kernel - [PATCH 3/3] PCI: qcom: Add sc8180x compatible

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Message-Id: <20210725040038.3966348-4-bjorn.andersson@linaro.org>
Date:   Sat, 24 Jul 2021 21:00:38 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Rob Herring <robh+dt@...nel.org>,
        Stanimir Varbanov <svarbanov@...sol.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Krzysztof Wilczyński <kw@...ux.com>
Cc:     linux-arm-msm@...r.kernel.org, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 3/3] PCI: qcom: Add sc8180x compatible

The SC8180x platform comes with 4 PCIe controllers, typically used for
things such as NVME storage or connecting a SDX55 5G modem. Add a
compatible for this, that just reuses the 1.9.0 ops.

Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
---
 Documentation/devicetree/bindings/pci/qcom,pcie.txt | 5 +++--
 drivers/pci/controller/dwc/pcie-qcom.c              | 1 +
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/pci/qcom,pcie.txt b/Documentation/devicetree/bindings/pci/qcom,pcie.txt
index 3f646875f8c2..a0ae024c2d0c 100644
--- a/Documentation/devicetree/bindings/pci/qcom,pcie.txt
+++ b/Documentation/devicetree/bindings/pci/qcom,pcie.txt
@@ -12,6 +12,7 @@
 			- "qcom,pcie-ipq4019" for ipq4019
 			- "qcom,pcie-ipq8074" for ipq8074
 			- "qcom,pcie-qcs404" for qcs404
+			- "qcom,pcie-sc8180x" for sc8180x
 			- "qcom,pcie-sdm845" for sdm845
 			- "qcom,pcie-sm8250" for sm8250
 			- "qcom,pcie-ipq6018" for ipq6018
@@ -156,7 +157,7 @@
 			- "pipe"	PIPE clock
 
 - clock-names:
-	Usage: required for sm8250
+	Usage: required for sc8180x and sm8250
 	Value type: <stringlist>
 	Definition: Should contain the following entries
 			- "aux"		Auxiliary clock
@@ -245,7 +246,7 @@
 			- "ahb"			AHB reset
 
 - reset-names:
-	Usage: required for sdm845 and sm8250
+	Usage: required for sc8180x, sdm845 and sm8250
 	Value type: <stringlist>
 	Definition: Should contain the following entries
 			- "pci"			PCIe core reset
diff --git a/drivers/pci/controller/dwc/pcie-qcom.c b/drivers/pci/controller/dwc/pcie-qcom.c
index 8adcbb718832..3906e975d6db 100644
--- a/drivers/pci/controller/dwc/pcie-qcom.c
+++ b/drivers/pci/controller/dwc/pcie-qcom.c
@@ -1597,6 +1597,7 @@ static const struct of_device_id qcom_pcie_match[] = {
 	{ .compatible = "qcom,pcie-ipq4019", .data = &ops_2_4_0 },
 	{ .compatible = "qcom,pcie-qcs404", .data = &ops_2_4_0 },
 	{ .compatible = "qcom,pcie-sdm845", .data = &ops_2_7_0 },
+	{ .compatible = "qcom,pcie-sc8180x", .data = &ops_1_9_0 },
 	{ .compatible = "qcom,pcie-sm8250", .data = &ops_1_9_0 },
 	{ }
 };
-- 
2.29.2