diff options
| author | Valentin Raevsky <valentin@compulab.co.il> | 2017-02-08 23:44:04 +0300 |
|---|---|---|
| committer | Shawn Guo <shawnguo@kernel.org> | 2017-03-08 14:48:28 +0300 |
| commit | 937d9a012af5422dc7e3a8ce87ed4abf03b22f45 (patch) | |
| tree | fae57360f3b85cec015b374ee7cb9cf84e9aec72 /arch/arm/boot/dts/imx6q-cm-fx6.dts | |
| parent | d08839153049ac175f4f13181bc20636dd473f38 (diff) | |
| download | linux-937d9a012af5422dc7e3a8ce87ed4abf03b22f45.tar.xz | |
ARM: dts: imx6q-cm-fx6: add analog audio support
The cm-fx6 module has an onboard Wolfson wm8731 codec which is muxed
to the ssi2 controller. Unlike most (all?) supported i.MX6 board/codec
combinations the wm8731 is operated in slave mode and the clock setup
is static.
Add support for it.
Signed-off-by: Valentin Raevsky <valentin@compulab.co.il>
[christopher.spinrath@rwth-aachen.de: enhanced commit message, ported
to upstream and some cleanup]
Signed-off-by: Christopher Spinrath <christopher.spinrath@rwth-aachen.de>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Diffstat (limited to 'arch/arm/boot/dts/imx6q-cm-fx6.dts')
| -rw-r--r-- | arch/arm/boot/dts/imx6q-cm-fx6.dts | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx6q-cm-fx6.dts b/arch/arm/boot/dts/imx6q-cm-fx6.dts index d8a5789a4bc8..66cac5328b86 100644 --- a/arch/arm/boot/dts/imx6q-cm-fx6.dts +++ b/arch/arm/boot/dts/imx6q-cm-fx6.dts @@ -43,6 +43,7 @@ /dts-v1/; #include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/sound/fsl-imx-audmux.h> #include "imx6q.dtsi" / { @@ -90,6 +91,34 @@ enable-active-high; }; + sound-analog { + compatible = "simple-audio-card"; + simple-audio-card,name = "On-board analog audio"; + simple-audio-card,widgets = + "Headphone", "Headphone Jack", + "Line", "Line Out", + "Microphone", "Mic Jack", + "Line", "Line In"; + simple-audio-card,routing = + "Headphone Jack", "RHPOUT", + "Headphone Jack", "LHPOUT", + "MICIN", "Mic Bias", + "Mic Bias", "Mic Jack"; + simple-audio-card,format = "i2s"; + simple-audio-card,bitclock-master = <&sound_master>; + simple-audio-card,frame-master = <&sound_master>; + simple-audio-card,bitclock-inversion; + + sound_master: simple-audio-card,cpu { + sound-dai = <&ssi2>; + system-clock-frequency = <2822400>; + }; + + simple-audio-card,codec { + sound-dai = <&wm8731>; + }; + }; + sound-spdif { compatible = "fsl,imx-audio-spdif"; model = "imx-spdif"; @@ -99,6 +128,36 @@ }; }; +&audmux { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_audmux>; + status = "okay"; + + ssi2 { + fsl,audmux-port = <1>; + fsl,port-config = < + (IMX_AUDMUX_V2_PTCR_RCLKDIR | + IMX_AUDMUX_V2_PTCR_RCSEL(3 | 0x8) | + IMX_AUDMUX_V2_PTCR_TCLKDIR | + IMX_AUDMUX_V2_PTCR_TCSEL(3)) + IMX_AUDMUX_V2_PDCR_RXDSEL(3) + >; + }; + + audmux4 { + fsl,audmux-port = <3>; + fsl,port-config = < + (IMX_AUDMUX_V2_PTCR_TFSDIR | + IMX_AUDMUX_V2_PTCR_TFSEL(1) | + IMX_AUDMUX_V2_PTCR_RCLKDIR | + IMX_AUDMUX_V2_PTCR_RCSEL(1 | 0x8) | + IMX_AUDMUX_V2_PTCR_TCLKDIR | + IMX_AUDMUX_V2_PTCR_TCSEL(1)) + IMX_AUDMUX_V2_PDCR_RXDSEL(1) + >; + }; +}; + &cpu0 { /* * Although the imx6q fuse indicates that 1.2GHz operation is possible, @@ -160,9 +219,25 @@ reg = <0x50>; pagesize = <16>; }; + + wm8731: codec@1a { + #sound-dai-cells = <0>; + compatible = "wlf,wm8731"; + reg = <0x1a>; + }; }; &iomuxc { + pinctrl_audmux: audmuxgrp { + fsl,pins = < + MX6QDL_PAD_SD2_CMD__AUD4_RXC 0x17059 + MX6QDL_PAD_SD2_DAT0__AUD4_RXD 0x17059 + MX6QDL_PAD_SD2_DAT3__AUD4_TXC 0x17059 + MX6QDL_PAD_SD2_DAT2__AUD4_TXD 0x17059 + MX6QDL_PAD_SD2_DAT1__AUD4_TXFS 0x17059 + >; + }; + pinctrl_ecspi1: ecspi1grp { fsl,pins = < MX6QDL_PAD_EIM_D16__ECSPI1_SCLK 0x100b1 @@ -279,6 +354,14 @@ status = "okay"; }; +&ssi2 { + assigned-clocks = <&clks IMX6QDL_CLK_SSI2_SEL>, + <&clks IMX6QDL_CLK_PLL4_AUDIO_DIV>; + assigned-clock-parents = <&clks IMX6QDL_CLK_PLL4_AUDIO_DIV>; + assigned-clock-rates = <0>, <786432000>; + status = "okay"; +}; + &uart4 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_uart4>; |