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Commit bf3251e1 authored by Fabio Estevam's avatar Fabio Estevam Committed by Shawn Guo
Browse files

ARM: dts: imx6ul-14x14-evk: Add audio support 



imx6ul-14x14-evk has a wm8960 codec connected via SAI2 port.

Add support for it.

Thanks to Petr Kulhavy <brain@jikos.cz> for the hint on initializing
the PLL4 frequency to get a correct MCLK.

Signed-off-by: default avatarFabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
parent c77ebb45

arch/arm/boot/dts/imx6ul-14x14-evk.dts

+74 −0
Original line number Diff line number Diff line
@@ -36,6 +36,45 @@ 
			enable-active-high;

		};

	};



	sound {

		compatible = "simple-audio-card";

		simple-audio-card,name = "mx6ul-wm8960";

		simple-audio-card,format = "i2s";

		simple-audio-card,bitclock-master = <&dailink_master>;

		simple-audio-card,frame-master = <&dailink_master>;

		simple-audio-card,widgets =

			"Microphone", "Mic Jack",

			"Line", "Line In",

			"Line", "Line Out",

			"Speaker", "Speaker",

			"Headphone", "Headphone Jack";

		simple-audio-card,routing =

			"Headphone Jack", "HP_L",

			"Headphone Jack", "HP_R",

			"Speaker", "SPK_LP",

			"Speaker", "SPK_LN",

			"Speaker", "SPK_RP",

			"Speaker", "SPK_RN",

			"LINPUT1", "Mic Jack",

			"LINPUT3", "Mic Jack",

			"RINPUT1", "Mic Jack",

			"RINPUT2", "Mic Jack";



		simple-audio-card,cpu {

			sound-dai = <&sai2>;

		};



		dailink_master: simple-audio-card,codec {

			sound-dai = <&codec>;

			clocks = <&clks IMX6UL_CLK_SAI2>;

		};

	};

};



&clks {

	assigned-clocks = <&clks IMX6UL_CLK_PLL4_AUDIO_DIV>;

	assigned-clock-rates = <786432000>;

};



&cpu0 {
@@ -43,6 +82,20 @@ 
	soc-supply = <&reg_soc>;

};



&i2c2 {

	clock_frequency = <100000>;

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_i2c2>;

	status = "okay";



	codec: wm8960@1a {

		#sound-dai-cells = <0>;

		compatible = "wlf,wm8960";

		reg = <0x1a>;

		wlf,shared-lrclk;

	};

};



&fec1 {

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_enet1>;
@@ -86,6 +139,16 @@ 
	};

};



&sai2 {

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_sai2>;

	assigned-clocks = <&clks IMX6UL_CLK_SAI2_SEL>,

			  <&clks IMX6UL_CLK_SAI2>;

	assigned-clock-parents = <&clks IMX6UL_CLK_PLL4_AUDIO_DIV>;

	assigned-clock-rates = <0>, <12288000>;

	status = "okay";

};



&snvs_poweroff {

	status = "okay";

};
@@ -272,6 +335,17 @@ 
		>;

	};



	pinctrl_sai2: sai2grp {

		fsl,pins = <

			MX6UL_PAD_JTAG_TDI__SAI2_TX_BCLK	0x17088

			MX6UL_PAD_JTAG_TDO__SAI2_TX_SYNC	0x17088

			MX6UL_PAD_JTAG_TRST_B__SAI2_TX_DATA	0x11088

			MX6UL_PAD_JTAG_TCK__SAI2_RX_DATA	0x11088

			MX6UL_PAD_JTAG_TMS__SAI2_MCLK		0x17088

			MX6UL_PAD_SNVS_TAMPER4__GPIO5_IO04	0x17059

		>;

	};



	pinctrl_pwm1: pwm1grp {

		fsl,pins = <

			MX6UL_PAD_GPIO1_IO08__PWM1_OUT   0x110b0