Adds mcasp0_pins, clk_mcasp0_fixed, clk_mcasp0, mcasp0, hdmi_audio, and sound nodes.
Signed-off-by: Jyri Sarha jsarha@ti.com --- arch/arm/boot/dts/am335x-boneblack.dts | 54 ++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+)
diff --git a/arch/arm/boot/dts/am335x-boneblack.dts b/arch/arm/boot/dts/am335x-boneblack.dts index 305975d..e815fee 100644 --- a/arch/arm/boot/dts/am335x-boneblack.dts +++ b/arch/arm/boot/dts/am335x-boneblack.dts @@ -59,12 +59,50 @@ 0x1b0 0x03 /* xdma_event_intr0, OMAP_MUX_MODE3 | AM33XX_PIN_OUTPUT */ >; }; + + mcasp0_pins: mcasp0_pins { + pinctrl-single,pins = < + 0x1ac (PIN_INPUT_PULLUP | MUX_MODE0) /* mcasp0_ahclkx.mcasp0_ahclkx */ + 0x19c (PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mcasp0_ahclkr.mcasp0_axr2 */ + 0x194 (PIN_OUTPUT_PULLUP | MUX_MODE0) /* mcasp0_fsx.mcasp0_fsx */ + 0x190 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* mcasp0_aclkx.mcasp0_aclkx */ + 0x06c (PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* gpmc_a11.GPIO1_27 */ + >; + }; };
&lcdc { status = "okay"; };
+&mcasp0 { + pinctrl-names = "default"; + pinctrl-0 = <&mcasp0_pins>; + status = "okay"; + op-mode = <0>; /* MCASP_IIS_MODE */ + tdm-slots = <2>; + serial-dir = < /* 0: INACTIVE, 1: TX, 2: RX */ + 0 0 1 0 + >; + tx-num-evt = <1>; + rx-num-evt = <1>; +}; + +&ext_clocks { + clk_mcasp0_fixed: clk_mcasp0_fixed { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <24576000>; + }; + + clk_mcasp0: clk_mcasp0 { + #clock-cells = <0>; + compatible = "ti,gpio-clock"; + clocks = <&clk_mcasp0_fixed>; + enable-gpios = <&gpio1 27 0>; /* BeagleBone Black Clk enable on GPIO1_27 */ + }; +}; + / { hdmi { compatible = "ti,tilcdc,slave"; @@ -74,4 +112,20 @@ pinctrl-1 = <&nxp_hdmi_bonelt_off_pins>; status = "okay"; }; + + hdmi_audio: hdmi_audio@0 { + compatible = "linux,hdmi-audio"; + status = "okay"; + }; + + sound { + compatible = "ti,am335x-beaglebone-black-audio"; + ti,model = "TI BeagleBone Black"; + ti,audio-codec = <&hdmi_audio>; + ti,mcasp-controller = <&mcasp0>; + ti,audio-routing = + "HDMI Out", "TX"; + clocks = <&clk_mcasp0>; + clock-names = "mclk"; + }; };