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Commit 196149e1 authored by Kiran Gunda's avatar Kiran Gunda
Browse files

ARM: dts: msm: Configure SPI node for tellurium 



Configure the BLSP1QUP0 in SPI mode.

Change-Id: Ibd72b148cf34304c95ed818cbf74ca0b5650f542
Signed-off-by: default avatarKiran Gunda <kgunda@codeaurora.org>
parent 18c43109

arch/arm/boot/dts/qcom/msmtellurium-pinctrl.dtsi

+52 −1
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2014, The Linux Foundation. All rights reserved.

 * Copyright (c) 2014-2015, 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
@@ -156,5 +156,56 @@ 
				drive-strength = <2>; /* 2 MA */

			};

		};



		spi0_active {

			/* MOSI, MISO, CLK */

			qcom,pins = <&gp 0>, <&gp 1>, <&gp 3>;

			qcom,num-grp-pins = <3>;

			qcom,pin-func = <1>;

			label = "spi0-active";

			/* active state */

			spi0_default: spi0_default {

				drive-strength = <12>; /* 12 MA */

				bias-disable = <0>; /* No PULL */

			};

		};



		spi0_suspend {

			/* MOSI, MISO, CLK */

			qcom,pins = <&gp 0>, <&gp 1>, <&gp 3>;

			qcom,num-grp-pins = <3>;

			qcom,pin-func = <0>;

			label = "spi0-suspend";

			/* suspended state */

			spi0_sleep: spi0_sleep {

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

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

			};

		};



		spi0_cs0_active {

			/* CS */

			qcom,pins = <&gp 2>;

			qcom,num-grp-pins = <1>;

			qcom,pin-func = <1>;

			label = "spi0-cs0-active";

			spi0_cs0_active: cs0_active {

				drive-strength = <2>;

				bias-disable = <0>;

			};

		};



		spi0_cs0_suspend {

			/* CS */

			qcom,pins = <&gp 2>;

			qcom,num-grp-pins = <1>;

			qcom,pin-func = <0>;

			label = "spi0-cs0-suspend";

			spi0_cs0_sleep: cs0_sleep {

				drive-strength = <2>;

				bias-disable = <0>;

			};

		};



	};

};

arch/arm/boot/dts/qcom/msmtellurium.dtsi

+26 −0
Original line number Diff line number Diff line
@@ -23,6 +23,7 @@ 
	aliases {

		sdhc1 = &sdhc_1; /* SDC1 eMMC slot */

		sdhc2 = &sdhc_2; /* SDC2 SD card slot */

		spi0 = &spi_0;

	};



	memory {
@@ -686,6 +687,31 @@ 
		qcom,firmware-name = "venus";

		linux,contiguous-region = <&venus_mem>;

	};



	spi_0: spi@78B5000 { /* BLSP1 QUP0 */

		compatible = "qcom,spi-qup-v2";

		#address-cells = <1>;

		#size-cells = <0>;

		reg-names = "spi_physical", "spi_bam_physical";

		reg = <0x78B5000 0x600>,

		      <0x7884000 0x23000>;

		interrupt-names = "spi_irq", "spi_bam_irq";

		interrupts = <0 95 0>, <0 238 0>;

		spi-max-frequency = <19200000>;

		pinctrl-names = "spi_default", "spi_sleep";

		pinctrl-0 = <&spi0_default &spi0_cs0_active>;

		pinctrl-1 = <&spi0_sleep &spi0_cs0_sleep>;

		clocks = <&clock_gcc clk_gcc_blsp1_ahb_clk>,

			 <&clock_gcc clk_gcc_blsp1_qup1_spi_apps_clk>;

		clock-names = "iface_clk", "core_clk";

		qcom,infinite-mode = <0>;

		qcom,use-bam;

		qcom,use-pinctrl;

		qcom,ver-reg-exists;

		qcom,bam-consumer-pipe-index = <4>;

		qcom,bam-producer-pipe-index = <5>;

		qcom,master-id = <86>;

	};

};



&gdsc_venus {