Add HDMI audio support. Adds mcasp0_pins, clk_mcasp0_fixed, clk_mcasp0, mcasp0, sound node, and updates the tda19988 node to follow the new binding.
Signed-off-by: Jyri Sarha jsarha@ti.com --- arch/arm/boot/dts/am335x-boneblack.dts | 71 ++++++++++++++++++++++++++++++++-- 1 file changed, 67 insertions(+), 4 deletions(-)
diff --git a/arch/arm/boot/dts/am335x-boneblack.dts b/arch/arm/boot/dts/am335x-boneblack.dts index ca72167..528559b 100644 --- a/arch/arm/boot/dts/am335x-boneblack.dts +++ b/arch/arm/boot/dts/am335x-boneblack.dts @@ -9,6 +9,7 @@
#include "am33xx.dtsi" #include "am335x-bone-common.dtsi" +#include <dt-bindings/display/tda998x.h>
/ { model = "TI AM335x BeagleBone Black"; @@ -75,6 +76,16 @@ AM33XX_IOPAD(0x9b0, PIN_OUTPUT_PULLDOWN | MUX_MODE3) /* xdma_event_intr0 */ >; }; + + mcasp0_pins: mcasp0_pins { + pinctrl-single,pins = < + AM33XX_IOPAD(0x9ac, PIN_INPUT_PULLUP | MUX_MODE0) /* mcasp0_ahcklx.mcasp0_ahclkx */ + AM33XX_IOPAD(0x99c, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mcasp0_ahclkr.mcasp0_axr2*/ + AM33XX_IOPAD(0x994, PIN_OUTPUT_PULLUP | MUX_MODE0) /* mcasp0_fsx.mcasp0_fsx */ + AM33XX_IOPAD(0x990, PIN_OUTPUT_PULLDOWN | MUX_MODE0) /* mcasp0_aclkx.mcasp0_aclkx */ + AM33XX_IOPAD(0x86c, PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* gpmc_a11.GPIO1_27 */ + >; + }; };
&lcdc { @@ -87,16 +98,22 @@ };
&i2c0 { - tda19988 { + tda19988: tda19988 { compatible = "nxp,tda998x"; reg = <0x70>; + pinctrl-names = "default", "off"; pinctrl-0 = <&nxp_hdmi_bonelt_pins>; pinctrl-1 = <&nxp_hdmi_bonelt_off_pins>;
- port { - hdmi_0: endpoint@0 { - remote-endpoint = <&lcdc_0>; + #sound-dai-cells = <0>; + audio-ports = < TDA998x_I2S 0x03>; + + ports { + port@0 { + hdmi_0: endpoint@0 { + remote-endpoint = <&lcdc_0>; + }; }; }; }; @@ -105,3 +122,49 @@ &rtc { system-power-controller; }; + +&mcasp0 { + #sound-dai-cells = <0>; + 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 = <32>; + rx-num-evt = <32>; +}; + +/ { + clk_mcasp0_fixed: clk_mcasp0_fixed { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <24576000>; + }; + + clk_mcasp0: clk_mcasp0 { + #clock-cells = <0>; + compatible = "gpio-gate-clock"; + clocks = <&clk_mcasp0_fixed>; + enable-gpios = <&gpio1 27 0>; /* BeagleBone Black Clk enable on GPIO1_27 */ + }; + + sound { + compatible = "simple-audio-card"; + simple-audio-card,name = "TI BeagleBone Black"; + simple-audio-card,format = "i2s"; + simple-audio-card,bitclock-master = <&dailink0_master>; + simple-audio-card,frame-master = <&dailink0_master>; + + dailink0_master: simple-audio-card,cpu { + sound-dai = <&mcasp0>; + clocks = <&clk_mcasp0>; + }; + + simple-audio-card,codec { + sound-dai = <&tda19988>; + }; + }; +};