Add analog audio DT nodes:
1. simple-audio-card node
2. wm8731 codec node
3. MCASP3 pinmux
Signed-off-by: Dmitry Lifshitz <lifsh...@compulab.co.il>
Acked-by: Igor Grinberg <grinb...@compulab.co.il>
---
v2:
* No fuctional changes
* Reformat subject
arch/arm/boot/dts/am57xx-cl-som-am57x.dts | 67 +++++++++++++++++++++++++++++++
1 file changed, 67 insertions(+)
diff --git a/arch/arm/boot/dts/am57xx-cl-som-am57x.dts
b/arch/arm/boot/dts/am57xx-cl-som-am57x.dts
index a75c382..b2c4451 100644
--- a/arch/arm/boot/dts/am57xx-cl-som-am57x.dts
+++ b/arch/arm/boot/dts/am57xx-cl-som-am57x.dts
@@ -50,6 +50,33 @@
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
+
+ sound0: sound@0 {
+ compatible = "simple-audio-card";
+ simple-audio-card,name = "CL-SOM-AM57x-Sound-Card";
+ simple-audio-card,format = "i2s";
+ simple-audio-card,bitclock-master = <&dailink0_master>;
+ simple-audio-card,frame-master = <&dailink0_master>;
+ simple-audio-card,widgets =
+ "Headphone", "Headphone Jack",
+ "Microphone", "Microphone Jack",
+ "Line", "Line Jack";
+ simple-audio-card,routing =
+ "Headphone Jack", "RHPOUT",
+ "Headphone Jack", "LHPOUT",
+ "LLINEIN", "Line Jack",
+ "MICIN", "Mic Bias",
+ "Mic Bias", "Microphone Jack";
+
+ dailink0_master: simple-audio-card,cpu {
+ sound-dai = <&mcasp3>;
+ };
+
+ simple-audio-card,codec {
+ sound-dai = <&wm8731>;
+ system-clock-frequency = <12000000>;
+ };
+ };
};
&dra7_pmx_core {
@@ -196,6 +223,24 @@
DRA7XX_CORE_IOPAD(0x3464, PIN_INPUT_PULLDOWN |
MUX_MODE14) /* gpmc_a9.gpio1_31 */
>;
};
+
+ mcasp3_pins_default: mcasp3_pins_default {
+ pinctrl-single,pins = <
+ DRA7XX_CORE_IOPAD(0x3724, PIN_INPUT_PULLDOWN |
MUX_MODE0) /* mcasp3_aclkx.mcasp3_aclkx */
+ DRA7XX_CORE_IOPAD(0x3728, PIN_INPUT_PULLDOWN |
MUX_MODE0) /* mcasp3_fsx.mcasp3_fsx */
+ DRA7XX_CORE_IOPAD(0x372c, PIN_OUTPUT_PULLDOWN |
MUX_MODE0) /* mcasp3_axr0.mcasp3_axr0 */
+ DRA7XX_CORE_IOPAD(0x3730, PIN_INPUT_PULLDOWN |
MUX_MODE0) /* mcasp3_axr1.mcasp3_axr1 */
+ >;
+ };
+
+ mcasp3_pins_sleep: mcasp3_pins_sleep {
+ pinctrl-single,pins = <
+ DRA7XX_CORE_IOPAD(0x3724, PIN_INPUT | MUX_MODE15)
+ DRA7XX_CORE_IOPAD(0x3728, PIN_INPUT | MUX_MODE15)
+ DRA7XX_CORE_IOPAD(0x372c, PIN_INPUT | MUX_MODE15)
+ DRA7XX_CORE_IOPAD(0x3730, PIN_INPUT | MUX_MODE15)
+ >;
+ };
};
&i2c1 {
@@ -392,6 +437,13 @@
reg = <0x50>;
pagesize = <16>;
};
+
+ wm8731: wm8731@1a {
+ #sound-dai-cells = <0>;
+ compatible = "wlf,wm8731";
+ reg = <0x1a>;
+ status = "okay";
+ };
};
&cpu0 {
@@ -538,3 +590,18 @@
&usb2 {
dr_mode = "peripheral";
};
+
+&mcasp3 {
+ #sound-dai-cells = <0>;
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&mcasp3_pins_default>;
+ pinctrl-1 = <&mcasp3_pins_sleep>;
+ status = "okay";
+
+ op-mode = <0>; /* MCASP_IIS_MODE */
+ tdm-slots = <2>;
+ /* 4 serializers */
+ serial-dir = < /* 0: INACTIVE, 1: TX, 2: RX */
+ 1 2 0 0
+ >;
+};
--
1.9.1
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