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Commit e0e23629 authored by Alok Chauhan's avatar Alok Chauhan Committed by Michael Bohan
Browse files

ARM: dts: msm: Config I2C on BLSP1 QUP2 for 8916 



Configure I2C master controller on BLSP1 QUP2. Set
the pinctrl data and set its clocks in such a way
that it may be used for testing.

Change-Id: I62193b59e16a461d79dfe63fb726da7fcf85977e
Signed-off-by: default avatarAlok Chauhan <alokc@codeaurora.org>
parent c13b5fde

arch/arm/boot/dts/qcom/msm8916-pinctrl.dtsi

+26 −0
Original line number Diff line number Diff line
@@ -166,5 +166,31 @@ 
				bias-disable = <0>;

			};

		};



		i2c0_active {

			/* CLK, DATA */

			qcom,pins = <&gp 7>, <&gp 6>;

			qcom,num-grp-pins = <2>;

			qcom,pin-func = <3>;

			label = "i2c0-active";

			/* active state */

			i2c_default: default {

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

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

			};

		};



		i2c0_suspend {

			/* CLK, DATA */

			qcom,pins = <&gp 7>, <&gp 6>;

			qcom,num-grp-pins = <2>;

			qcom,pin-func = <0>;

			label = "i2c0-suspend";

			/*suspended state */

			i2c_sleep: sleep {

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

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

			};

		};

	};

};

arch/arm/boot/dts/qcom/msm8916.dtsi

+20 −0
Original line number Diff line number Diff line
@@ -36,6 +36,7 @@ 
		smd36 = &smdtty_loopback;



		spi0 = &spi_0; /* SPI0 controller device */

		i2c0 = &i2c_0; /* I2C0 controller device */

	};



	cpus {
@@ -613,6 +614,25 @@ 
                qcom,bam-producer-pipe-index = <9>;

                qcom,master-id = <86>;

        };



	i2c_0: i2c@78b6000 { /* BLSP1 QUP2 */

		compatible = "qcom,i2c-msm-v2";

		reg-names = "qup_phys_addr", "bam_phys_addr";

		reg = <0x78b6000 0x600>,

		      <0x7884000 0x23000>;

		interrupt-names = "qup_irq", "bam_irq";

		interrupts = <0 96 0>, <0 238 0>;

		qcom,clk-freq-out = <100000>;

		qcom,clk-freq-in  = <19200000>;

		pinctrl-names = "default", "sleep";

		pinctrl-0 = <&i2c_default>;

		pinctrl-1 = <&i2c_sleep>;

		qcom,noise-rjct-scl = <0>;

		qcom,noise-rjct-sda = <0>;

		qcom,bam-pipe-idx-cons = <6>;

		qcom,bam-pipe-idx-prod = <7>;

		qcom,master-id = <86>;

	};

};



&gdsc_venus {

arch/arm/mach-msm/clock-8916.c

+2 −0
Original line number Diff line number Diff line
@@ -39,6 +39,8 @@ static struct clk_lookup msm_clocks_8916[] = { 
	CLK_DUMMY("dfab_clk",   DFAB_CLK,       "msm_sps", OFF),

	CLK_DUMMY("core_clk",	BLSP1_SPI_CLK,	"78b7000.spi", OFF),

	CLK_DUMMY("iface_clk",	BLSP1_SPI_CLK,	"78b7000.spi", OFF),

	CLK_DUMMY("core_clk",	BLSP1_I2C_CLK,	"78b6000.i2c", OFF),

	CLK_DUMMY("iface_clk",	BLSP1_I2C_CLK,  "78b6000.i2c", OFF),

	CLK_DUMMY("",	camss_ahb_clk_src.c,	"", OFF),

	CLK_DUMMY("",	csi0_clk_src.c,	"", OFF),

	CLK_DUMMY("",	csi1_clk_src.c,	"", OFF),