From d5e7f51c74d3ad691f7e349ca1f1160d47157341 Mon Sep 17 00:00:00 2001
From: Anant Goel <anantg@quicinc.com>
Date: Thu, 6 May 2021 20:52:01 -0700
Subject: [PATCH] ARM: dts: msm: Add GPIO support for the PCIe RCs on the
 Direwolf platform

Add the GPIO definitions for PCIe RCs 2a, 2b, 3a, 3b, and
4, for the Direwolf platform.

Change-Id: I9f2467e0f49f36cb27f81544d668e93f518277f7
---
 qcom/direwolf-pinctrl.dtsi | 270 +++++++++++++++++++++++++++++++++++++
 1 file changed, 270 insertions(+)

diff --git a/qcom/direwolf-pinctrl.dtsi b/qcom/direwolf-pinctrl.dtsi
index e3fb955590ac..742c12f51810 100644
--- a/qcom/direwolf-pinctrl.dtsi
+++ b/qcom/direwolf-pinctrl.dtsi
@@ -1577,4 +1577,274 @@
 			};
 		};
 	};
+
+	pcie0 {
+		pcie2a_perst_default: pcie2a_perst_default {
+			mux {
+				pins = "gpio143";
+				function = "gpio";
+			};
+
+			config {
+				pins = "gpio143";
+				drive-strength = <2>;
+				bias-pull-down;
+			};
+		};
+
+		pcie2a_clkreq_default: pcie2a_clkreq_default {
+			mux {
+				pins = "gpio142";
+				function = "pcie2a_clkreq";
+			};
+
+			config {
+				pins = "gpio142";
+				drive-strength = <2>;
+				bias-pull-up;
+			};
+		};
+
+		pcie2a_wake_default: pcie2a_wake_default {
+			mux {
+				pins = "gpio145";
+				function = "gpio";
+			};
+
+			config {
+				pins = "gpio145";
+				drive-strength = <2>;
+				bias-pull-up;
+			};
+		};
+
+		pcie2a_clkreq_sleep: pcie2a_clkreq_sleep {
+			mux {
+				pins = "gpio142";
+				function = "gpio";
+			};
+
+			config {
+				pins = "gpio142";
+				drive-strength = <2>;
+				bias-pull-up;
+			};
+		};
+	};
+
+	pcie1 {
+		pcie2b_perst_default: pcie2b_perst_default {
+			mux {
+				pins = "gpio147";
+				function = "gpio";
+			};
+
+			config {
+				pins = "gpio147";
+				drive-strength = <2>;
+				bias-pull-down;
+			};
+		};
+
+		pcie2b_clkreq_default: pcie2b_clkreq_default {
+			mux {
+				pins = "gpio144";
+				function = "pcie2b_clkreq";
+			};
+
+			config {
+				pins = "gpio144";
+				drive-strength = <2>;
+				bias-pull-up;
+			};
+		};
+
+		pcie2b_wake_default: pcie2b_wake_default {
+			mux {
+				pins = "gpio146";
+				function = "gpio";
+			};
+
+			config {
+				pins = "gpio146";
+				drive-strength = <2>;
+				bias-pull-up;
+			};
+		};
+
+		pcie2b_clkreq_sleep: pcie2b_clkreq_sleep {
+			mux {
+				pins = "gpio144";
+				function = "gpio";
+			};
+
+			config {
+				pins = "gpio144";
+				drive-strength = <2>;
+				bias-pull-up;
+			};
+		};
+	};
+
+	pcie2 {
+		pcie3a_perst_default: pcie3a_perst_default {
+			mux {
+				pins = "gpio151";
+				function = "gpio";
+			};
+
+			config {
+				pins = "gpio151";
+				drive-strength = <2>;
+				bias-pull-down;
+			};
+		};
+
+		pcie3a_clkreq_default: pcie3a_clkreq_default {
+			mux {
+				pins = "gpio150";
+				function = "pcie3a_clkreq";
+			};
+
+			config {
+				pins = "gpio150";
+				drive-strength = <2>;
+				bias-pull-up;
+			};
+		};
+
+		pcie3a_wake_default: pcie3a_wake_default {
+			mux {
+				pins = "gpio56";
+				function = "gpio";
+			};
+
+			config {
+				pins = "gpio56";
+				drive-strength = <2>;
+				bias-pull-up;
+			};
+		};
+
+		pcie3a_clkreq_sleep: pcie3a_clkreq_sleep {
+			mux {
+				pins = "gpio150";
+				function = "gpio";
+			};
+
+			config {
+				pins = "gpio150";
+				drive-strength = <2>;
+				bias-pull-up;
+			};
+		};
+	};
+
+	pcie3 {
+		pcie3b_perst_default: pcie3b_perst_default {
+			mux {
+				pins = "gpio153";
+				function = "gpio";
+			};
+
+			config {
+				pins = "gpio153";
+				drive-strength = <2>;
+				bias-pull-down;
+			};
+		};
+
+		pcie3b_clkreq_default: pcie3b_clkreq_default {
+			mux {
+				pins = "gpio152";
+				function = "pcie3b_clkreq";
+			};
+
+			config {
+				pins = "gpio152";
+				drive-strength = <2>;
+				bias-pull-up;
+			};
+		};
+
+		pcie3b_wake_default: pcie3b_wake_default {
+			mux {
+				pins = "gpio130";
+				function = "gpio";
+			};
+
+			config {
+				pins = "gpio130";
+				drive-strength = <2>;
+				bias-pull-up;
+			};
+		};
+
+		pcie3b_clkreq_sleep: pcie3b_clkreq_sleep {
+			mux {
+				pins = "gpio152";
+				function = "gpio";
+			};
+
+			config {
+				pins = "gpio152";
+				drive-strength = <2>;
+				bias-pull-up;
+			};
+		};
+	};
+
+	pcie4 {
+		pcie4_perst_default: pcie4_perst_default {
+			mux {
+				pins = "gpio141";
+				function = "gpio";
+			};
+
+			config {
+				pins = "gpio141";
+				drive-strength = <2>;
+				bias-pull-down;
+			};
+		};
+
+		pcie4_clkreq_default: pcie4_clkreq_default {
+			mux {
+				pins = "gpio140";
+				function = "pcie4_clkreq";
+			};
+
+			config {
+				pins = "gpio140";
+				drive-strength = <2>;
+				bias-pull-up;
+			};
+		};
+
+		pcie4_wake_default: pcie4_wake_default {
+			mux {
+				pins = "gpio139";
+				function = "gpio";
+			};
+
+			config {
+				pins = "gpio139";
+				drive-strength = <2>;
+				bias-pull-up;
+			};
+		};
+
+		pcie4_clkreq_sleep: pcie4_clkreq_sleep {
+			mux {
+				pins = "gpio140";
+				function = "gpio";
+			};
+
+			config {
+				pins = "gpio140";
+				drive-strength = <2>;
+				bias-pull-up;
+			};
+		};
+	};
 };