linux-kernel - [PATCH 4/6] ARM: dts: qcom: sdx55-fn980: Enable PCIe EP

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 26 Nov 2021 12:35:18 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     bjorn.andersson@...aro.org
Cc:     linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Subject: [PATCH 4/6] ARM: dts: qcom: sdx55-fn980: Enable PCIe EP

Enable PCIe Endpoint controller on the Telit FN980 TLB board based
on Qualcomm SDX55 platform.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
---
 .../boot/dts/qcom-sdx55-telit-fn980-tlb.dts   | 46 +++++++++++++++++++
 1 file changed, 46 insertions(+)

diff --git a/arch/arm/boot/dts/qcom-sdx55-telit-fn980-tlb.dts b/arch/arm/boot/dts/qcom-sdx55-telit-fn980-tlb.dts
index e8b5327afbe7..01ac91738f34 100644
--- a/arch/arm/boot/dts/qcom-sdx55-telit-fn980-tlb.dts
+++ b/arch/arm/boot/dts/qcom-sdx55-telit-fn980-tlb.dts
@@ -243,6 +243,14 @@ &pcie0_phy {
 	vdda-pll-supply = <&vreg_l4e_bb_0p875>;
 };
 
+&pcie_ep {
+	status = "okay";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pcie_ep_clkreq_default &pcie_ep_perst_default
+		     &pcie_ep_wake_default>;
+};
+
 &qpic_bam {
 	status = "ok";
 };
@@ -267,6 +275,44 @@ &remoteproc_mpss {
 	memory-region = <&mpss_adsp_mem>;
 };
 
+&tlmm {
+	pcie_ep_clkreq_default: pcie_ep_clkreq_default {
+		mux {
+			pins = "gpio56";
+			function = "pcie_clkreq";
+		};
+		config {
+			pins = "gpio56";
+			drive-strength = <2>;
+			bias-disable;
+		};
+	};
+
+	pcie_ep_perst_default: pcie_ep_perst_default {
+		mux {
+			pins = "gpio57";
+			function = "gpio";
+		};
+		config {
+			pins = "gpio57";
+			drive-strength = <2>;
+			bias-pull-down;
+		};
+	};
+
+	pcie_ep_wake_default: pcie_ep_wake_default {
+		mux {
+			pins = "gpio53";
+			function = "gpio";
+		};
+		config {
+			pins = "gpio53";
+			drive-strength = <2>;
+			bias-disable;
+		};
+	};
+};
+
 &usb_hsphy {
 	status = "okay";
 	vdda-pll-supply = <&vreg_l4e_bb_0p875>;
-- 
2.25.1