msm8953支援4路串列埠，編號uart2、uart4、uart5、uart6

基地址：

中斷號：

dts配置如下;

xxx .dtsi

&blsp1_uart0 {//uart2
	status = "ok";
	pinctrl-names = "default";
	pinctrl-0 = <&uart_console_active>;
};
&blsp1_uart4 {//uart4
	status = "ok";
	pinctrl-names = "default";
	pinctrl-0 = <&uart4_console_active>;
};

&blsp2_uart5 {//uart5
	status = "ok";
	pinctrl-names = "default";
	pinctrl-0 = <&uart5_console_active>;
};

&blsp2_uart6 {//uart6
	status = "ok";
	pinctrl-names = "default";
	pinctrl-0 = <&uart6_console_active>;
};
 

	blsp1_uart0: [email protected] {//uart2
		compatible = "qcom,msm-lsuart-v14";
		reg = <0x78af000 0x200>;
		interrupts = <0 107 0>;
		status = "disabled";
		clocks = <&clock_gcc clk_gcc_blsp1_uart1_apps_clk>,
		<&clock_gcc clk_gcc_blsp1_ahb_clk>;
		clock-names = "core_clk", "iface_clk";
	};

	blsp1_uart4:
 
[email protected] {//uart4
		compatible = "qcom,msm-lsuart-v14";
		reg = <0x78b0000 0x200>;
		interrupts = <0 108 0>;
		status = "disabled";
		clocks = <&clock_gcc clk_gcc_blsp1_uart2_apps_clk>,
		<&clock_gcc clk_gcc_blsp1_ahb_clk>;
		clock-names = "core_clk", "iface_clk";
	};

	blsp2_uart5:
 
[email protected] {//uart5
		compatible = "qcom,msm-lsuart-v14";
		reg = <0x7aef000 0x200>;
		interrupts = <0 306 0>;
		status = "disabled";
		clocks = <&clock_gcc clk_gcc_blsp2_uart1_apps_clk>,
			   <&clock_gcc clk_gcc_blsp2_ahb_clk>;
		clock-names = "core_clk","iface_clk";
	};

	blsp2_uart6:[email protected] {//uart6
		compatible = "qcom,msm-lsuart-v14";
		reg = <0x7af0000 0x200>;
		interrupts = <0 307 0>;
		status = "disabled";
		clocks = <&clock_gcc clk_gcc_blsp2_uart2_apps_clk>,
			   <&clock_gcc clk_gcc_blsp2_ahb_clk>;
		clock-names = "core_clk","iface_clk";
	};

xxx-msm8953-pinctrl.dtsi

		pmx-uartconsole {//uart2
			uart_console_active: uart_console_active {
				mux {
					pins = "gpio4", "gpio5";
					function = "blsp_uart2";
				};

				config {
					pins = "gpio4", "gpio5";
					drive-strength = <2>;
					bias-disable;
				};
			};
			uart_console_sleep: uart_console_sleep {
				mux {
					pins = "gpio4", "gpio5";
					function = "blsp_uart2";
				};

				config {
					pins = "gpio4", "gpio5";
					drive-strength = <2>;
					bias-pull-down;
				};
			};

		};

		pmx-uart4console {//uart4
			uart4_console_active: uart4_console_active {
				mux {
					pins = "gpio12","gpio13";
					function = "blsp_uart4";
				};
				config {
					pins = "gpio12","gpio13";
					drive-strength = <2>;
					bias-disable;
				};
			};
			uart4_console_sleep: uart4_console_sleep {
				mux {
					pins = "gpio12","gpio13";
					function = "blsp_uart4";
				};
				config {
					pins = "gpio12","gpio13";
					drive-strength = <2>;
					bias-pull-down;
				};
			};
		};

		pmx-uart5console {//uart5
			uart5_console_active: uart_console_active {
				mux {
					pins = "gpio16","gpio17";
					function = "blsp_uart5";
				};

				config {
					pins = "gpio16","gpio17";
					drive-strength = <2>;
					bias-disable;
				};
			};
			uart5_console_sleep: uart5_console_sleep {
				mux {
					pins = "gpio16","gpio17";
					function = "blsp_uart5";
				};

				config {
		   			pins = "gpio16","gpio17";
					drive-strength = <2>;
					bias-disable;
				};
			};

		};

		pmx-uart6console {//uart6
			uart6_console_active: uart_console_active {
				mux {
					pins = "gpio20","gpio21";
					function = "blsp_uart6";
				};

				config {
					pins = "gpio20","gpio21";
					drive-strength = <2>;
					bias-disable;
				};
			};
			uart6_console_sleep: uart6_console_sleep {
				mux {
					pins = "gpio20","gpio21";	
					function = "blsp_uart6";
				};

				config {
					pins = "gpio20","gpio21";
					drive-strength = <2>;
					bias-disable;
				};
			};
		};