arm64: dts: qcom: msm8998: Add SDC2 control pins

The SDC2 control pins are typically used to manage sleep.
Signed-off-by: Jeffrey Hugo <jhugo@codeaurora.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>

arch/arm64/boot/dts/qcom/msm8998-pins.dtsi

+// SPDX-License-Identifier: GPL-2.0
+/* Copyright (c) 2018, The Linux Foundation. All rights reserved. */
+
+&tlmm {
+	sdc2_clk_on: sdc2_clk_on {
+		config {
+			pins = "sdc2_clk";
+			bias-disable;           /* NO pull */
+			drive-strength = <16>;  /* 16 mA */
+		};
+	};
+
+	sdc2_clk_off: sdc2_clk_off {
+		config {
+			pins = "sdc2_clk";
+			bias-disable;           /* NO pull */
+			drive-strength = <2>;   /* 2 mA */
+		};
+	};
+
+	sdc2_cmd_on: sdc2_cmd_on {
+		config {
+			pins = "sdc2_cmd";
+			bias-pull-up;           /* pull up */
+			drive-strength = <10>;  /* 10 mA */
+		};
+	};
+
+	sdc2_cmd_off: sdc2_cmd_off {
+		config {
+			pins = "sdc2_cmd";
+			bias-pull-up;           /* pull up */
+			drive-strength = <2>;   /* 2 mA */
+		};
+	};
+
+	sdc2_data_on: sdc2_data_on {
+		config {
+			pins = "sdc2_data";
+			bias-pull-up;           /* pull up */
+			drive-strength = <10>;  /* 10 mA */
+		};
+	};
+
+	sdc2_data_off: sdc2_data_off {
+		config {
+			pins = "sdc2_data";
+			bias-pull-up;           /* pull up */
+			drive-strength = <2>;   /* 2 mA */
+		};
+	};
+
+	sdc2_cd_on: sdc2_cd_on {
+		mux {
+			pins = "gpio95";
+			function = "gpio";
+		};
+
+		config {
+			pins = "gpio95";
+			bias-pull-up;           /* pull up */
+			drive-strength = <2>;   /* 2 mA */
+		};
+	};
+
+	sdc2_cd_off: sdc2_cd_off {
+		mux {
+			pins = "gpio95";
+			function = "gpio";
+		};
+
+		config {
+			pins = "gpio95";
+			bias-pull-up;           /* pull up */
+			drive-strength = <2>;   /* 2 mA */
+		};
+	};
+};

arch/arm64/boot/dts/qcom/msm8998.dtsi

@@ -706,3 +706,5 @@ intc: interrupt-controller@17a00000 {
 		};
 	};
 };
+
+#include "msm8998-pins.dtsi"