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Commit 7dab1183 authored by Rajesh Bharathwaj's avatar Rajesh Bharathwaj Committed by Gerrit - the friendly Code Review server
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ARM: dts: msm: Add initial support for Nordic chip 

Adding initial support for Nordic chip SPI configuration
in XR SKU4 Reference Device.

Change-Id: I6ee57823c7690c668bc4ae041fd525a7b975dbf6
parent f95d07ac

qcom/kona-xrsku4.dtsi

+193 −0
Original line number Diff line number Diff line
@@ -206,6 +206,168 @@ 
			drive-strength = <2>; /* 2 MA */

		};

	};



	nordic_gpio6_active: nordic_gpio6_active {

		mux {

			pins = "gpio71";

			function = "gpio";

		};



		config {

			pins = "gpio71";

			drive-strength = <8>;

			bias-disable = <0>;

			output-high;

		};

	};



	nordic_gpio6_suspend: nordic_gpio6_suspend {

		mux {

			pins = "gpio71";

			function = "gpio";

		};



		config {

			pins = "gpio71";

			bias-pull-down; /* PULL DOWN */

			drive-strength = <2>; /* 2 MA */

		};

	};



	nordic_gpio10_active: nordic_gpio10_active {

		mux {

			pins = "gpio14";

			function = "gpio";

		};



		config {

			pins = "gpio14";

			drive-strength = <8>;

			bias-disable = <0>;

			output-high;

		};

	};



	nordic_gpio10_suspend: nordic_gpio10_suspend {

		mux {

			pins = "gpio14";

			function = "gpio";

		};



		config {

			pins = "gpio14";

			bias-pull-down; /* PULL DOWN */

			drive-strength = <2>; /* 2 MA */

		};

	};



	nordic_gpio11_active: nordic_gpio11_active {

		mux {

			pins = "gpio72";

			function = "gpio";

		};



		config {

			pins = "gpio72";

			drive-strength = <8>;

			bias-disable = <0>;

			output-high;

		};

	};



	nordic_gpio11_suspend: nordic_gpio11_suspend {

		mux {

			pins = "gpio72";

			function = "gpio";

		};



		config {

			pins = "gpio72";

			bias-pull-down; /* PULL DOWN */

			drive-strength = <2>; /* 2 MA */

		};

	};



	nordic_ctrl_active: nordic_ctrl_active {

		mux {

			pins = "gpio137";

			function = "gpio";

		};



		config {

			pins = "gpio137";

			drive-strength = <8>;

			bias-disable = <0>;

			output-high;

		};

	};



	nordic_ctrl_suspend: nordic_ctrl_suspend {

		mux {

			pins = "gpio137";

			function = "gpio";

		};



		config {

			pins = "gpio137";

			bias-pull-down; /* PULL DOWN */

			drive-strength = <2>; /* 2 MA */

		};

	};



	nordic_1p8_en_active: nordic_1p8_en_active {

		mux {

			pins = "gpio50";

			function = "gpio";

		};



		config {

			pins = "gpio50";

			drive-strength = <8>;

			bias-disable = <0>;

			output-high;

		};

	};



	nordic_1p8_en_suspend: nordic_1p8_en_suspend {

		mux {

			pins = "gpio50";

			function = "gpio";

		};



		config {

			pins = "gpio50";

			bias-pull-down; /* PULL DOWN */

			drive-strength = <2>; /* 2 MA */

		};

	};



	nordic_int_active: nordic_int_active {

		mux {

			pins = "gpio64";

			function = "gpio";

		};



		config {

			pins = "gpio64";

			drive-strength = <8>;

			bias-disable = <0>;

			output-high;

		};

	};



	nordic_int_suspend: nordic_int_suspend {

		mux {

			pins = "gpio64";

			function = "gpio";

		};



		config {

			pins = "gpio64";

			bias-pull-down; /* PULL DOWN */

			drive-strength = <2>; /* 2 MA */

		};

	};

};



&vendor {
@@ -227,6 +389,37 @@ 
	status = "ok";

};



/* Nordic spi */

&qupv3_se19_spi {

	status = "ok";

	nordic@0 {

		compatible = "nordic,spicontroller";

		reg = <0>;

		spi-max-frequency = <8000000>;

		pinctrl-names = "nordic_default", "nordic_sleep";

		pinctrl-0 = <&nordic_gpio6_active &nordic_gpio10_active

			&nordic_gpio11_active &nordic_int_active

			&nordic_ctrl_active &nordic_1p8_en_active>;

		pinctrl-1 = <&nordic_gpio6_suspend &nordic_gpio10_suspend

			&nordic_gpio11_suspend &nordic_int_suspend

			&nordic_ctrl_suspend &nordic_1p8_en_suspend>;



		/*nordic,lfen-gpio = <&tlmm 37 0>;*/

		nordic,v1p8en-gpio = <&tlmm 50 0>;



		interrupt-parent = <&tlmm>;

		interrupt-names = "nordicspi_irq";

		nordic,irq-gpio = <&tlmm 64 0>;

		nordic,irq_pin = <&tlmm 64 0x00>;

		interrupts = <64 1>;



		nordic,tst1 = <&tlmm 137 0>;

		/*nordic,tst2 = <&tlmm 59 0>;*/

		nordic,tst3 = <&tlmm 72 0>;

		nordic,tst4 = <&tlmm 71 0>;

	};

};



&dai_mi2s2 {

	status = "disabled";

	qcom,msm-mi2s-tx-lines = <1>;