arm64: dts: msm8996: add blsp2_uart1 pinctrl

This patch adds 2pin and 4 pin uart pinctrl support for blsp2_uart1
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>

arch/arm64/boot/dts/qcom/msm8996-pins.dtsi

+/*
+ * Copyright (c) 2013-2016, The Linux Foundation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+&msmgpio {
+
+	blsp2_uart1_2pins_default: blsp2_uart1_2pins {
+		pinmux {
+			function = "blsp_uart8";
+			pins = "gpio4", "gpio5";
+		};
+		pinconf {
+			pins = "gpio4", "gpio5";
+			drive-strength = <16>;
+			bias-disable;
+		};
+	};
+
+	blsp2_uart1_2pins_sleep: blsp2_uart1_2pins_sleep {
+		pinmux {
+			function = "gpio";
+			pins = "gpio4", "gpio5";
+		};
+		pinconf {
+			pins = "gpio4", "gpio5";
+			drive-strength = <2>;
+			bias-disable;
+		};
+	};
+
+	blsp2_uart1_4pins_default: blsp2_uart1_4pins {
+		pinmux {
+			function = "blsp_uart8";
+			pins = "gpio4", "gpio5", "gpio6", "gpio7";
+		};
+
+		pinconf {
+			pins = "gpio4", "gpio5", "gpio6", "gpio7";
+			drive-strength = <16>;
+			bias-disable;
+		};
+	};
+
+	blsp2_uart1_4pins_sleep: blsp2_uart1_4pins_sleep {
+		pinmux {
+			function = "gpio";
+			pins = "gpio4", "gpio5", "gpio6", "gpio7";
+		};
+
+		pinconf {
+			pins = "gpio4", "gpiio5", "gpio6", "gpio7";
+			drive-strength = <2>;
+			bias-disable;
+		};
+	};
+};

arch/arm64/boot/dts/qcom/msm8996.dtsi

@@ -267,3 +267,4 @@ mmcc: clock-controller@8c0000 {
 		};
 	};
 };
+#include "msm8996-pins.dtsi"