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Subject[PATCH 6/8] ARM: dts: am335x-sl50: use audio-graph-card for sound.
Date
audio-graph-card is recommended for audio bindings. Let's change to it and
improve the support by adding the Amplifier configuration and the clock
enable control.

Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
---

arch/arm/boot/dts/am335x-sl50.dts | 111 +++++++++++++++++++++---------
1 file changed, 80 insertions(+), 31 deletions(-)

diff --git a/arch/arm/boot/dts/am335x-sl50.dts b/arch/arm/boot/dts/am335x-sl50.dts
index b15690155159..495a4a0be25c 100644
--- a/arch/arm/boot/dts/am335x-sl50.dts
+++ b/arch/arm/boot/dts/am335x-sl50.dts
@@ -105,11 +105,20 @@
#size-cells = <0>;

/* audio external oscillator */
- tlv320aic3x_mclk: oscillator@0 {
+ audio_mclk_fixed: oscillator@0 {
compatible = "fixed-clock";
#clock-cells = <0>;
clock-frequency = <24576000>; /* 24.576MHz */
};
+
+ audio_mclk: audio_mclk_gate@0 {
+ compatible = "gpio-gate-clock";
+ #clock-cells = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&audio_mclk_pins>;
+ clocks = <&audio_mclk_fixed>;
+ enable-gpios = <&gpio1 27 0>;
+ };
};

panel: lcd_panel {
@@ -152,19 +161,29 @@
};

sound {
- compatible = "ti,da830-evm-audio";
- ti,model = "AM335x-SL50";
- ti,audio-codec = <&audio_codec>;
- ti,mcasp-controller = <&mcasp0>;
+ compatible = "audio-graph-card";
+ label = "sound-card";
+ pinctrl-names = "default";
+ pinctrl-0 = <&audio_pa_pins>;
+
+ widgets = "Headphone", "Headphone Jack",
+ "Speaker", "Speaker External",
+ "Line", "Line In",
+ "Microphone", "Microphone Jack";

- clocks = <&tlv320aic3x_mclk>;
- clock-names = "mclk";
+ routing = "Headphone Jack", "HPLOUT",
+ "Headphone Jack", "HPROUT",
+ "Amplifier", "MONO_LOUT",
+ "Speaker External", "Amplifier",
+ "LINE1R", "Line In",
+ "LINE1L", "Line In",
+ "MIC3L", "Microphone Jack",
+ "MIC3R", "Microphone Jack",
+ "Microphone Jack", "Mic Bias";

- ti,audio-routing =
- "Headphone Jack", "HPLOUT",
- "Headphone Jack", "HPROUT",
- "LINE1R", "Line In",
- "LINE1L", "Line In";
+ dais = <&cpu_port>;
+
+ pa-gpios = <&gpio3 18 GPIO_ACTIVE_HIGH>;
};

emmc_pwrseq: pwrseq@0 {
@@ -194,6 +213,28 @@
pinctrl-names = "default";
pinctrl-0 = <&lwb_pins>;

+ audio_pins: pinmux_audio_pins {
+ pinctrl-single,pins = <
+ AM33XX_IOPAD(0x9ac, PIN_INPUT_PULLDOWN | MUX_MODE0) /* mcasp0_ahcklx.mcasp0_ahclkx */
+ AM33XX_IOPAD(0x994, PIN_INPUT_PULLDOWN | MUX_MODE0) /* mcasp0_fsx.mcasp0_fsx */
+ AM33XX_IOPAD(0x990, PIN_INPUT_PULLDOWN | MUX_MODE0) /* mcasp0_aclkx.mcasp0_aclkx */
+ AM33XX_IOPAD(0x998, PIN_INPUT_PULLDOWN | MUX_MODE0) /* mcasp0_axr0.mcasp0_axr0 */
+ AM33XX_IOPAD(0x99c, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mcasp0_ahclkr.mcasp0_axr2 */
+ >;
+ };
+
+ audio_pa_pins: pinmux_audio_pa_pins {
+ pinctrl-single,pins = <
+ AM33XX_IOPAD(0x9a0, PIN_INPUT_PULLDOWN | MUX_MODE7) /* SoundPA_en - mcasp0_aclkr.gpio3_18 */
+ >;
+ };
+
+ audio_mclk_pins: pinmux_audio_mclk_pins {
+ pinctrl-single,pins = <
+ AM33XX_IOPAD(0x86c, PIN_INPUT_PULLDOWN | MUX_MODE7) /* gpmc_a11.gpio1_27 */
+ >;
+ };
+
backlight0_pins: pinmux_backlight0_pins {
pinctrl-single,pins = <
AM33XX_IOPAD(0x898, PIN_OUTPUT | MUX_MODE7) /* gpmc_wen.gpio2_4 */
@@ -358,16 +399,6 @@
>;
};

- audio_pins: pinmux_audio_pins {
- pinctrl-single,pins = <
- AM33XX_IOPAD(0x9ac, PIN_INPUT_PULLDOWN | MUX_MODE0) /* mcasp0_ahcklx.mcasp0_ahclkx */
- AM33XX_IOPAD(0x994, PIN_INPUT_PULLDOWN | MUX_MODE0) /* mcasp0_fsx.mcasp0_fsx */
- AM33XX_IOPAD(0x990, PIN_INPUT_PULLDOWN | MUX_MODE0) /* mcasp0_aclkx.mcasp0_aclkx */
- AM33XX_IOPAD(0x998, PIN_INPUT_PULLDOWN | MUX_MODE0) /* mcasp0_axr0.mcasp0_axr0 */
- AM33XX_IOPAD(0x99c, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mcasp0_ahclkr.mcasp0_axr2 */
- >;
- };
-
ehrpwm1_pins: pinmux_ehrpwm1a_pins {
pinctrl-single,pins = <
AM33XX_IOPAD(0x848, PIN_OUTPUT | MUX_MODE6) /* gpmc_a2.ehrpwm1a */
@@ -393,7 +424,6 @@

lwb_pins: pinmux_lwb_pins {
pinctrl-single,pins = <
- AM33XX_IOPAD(0x9a4, PIN_OUTPUT | MUX_MODE7) /* SoundPA_en - mcasp0_fsr.gpio3_19 */
AM33XX_IOPAD(0x830, PIN_INPUT_PULLUP | MUX_MODE7) /* nKbdInt - gpmc_ad12.gpio1_12 */
AM33XX_IOPAD(0x834, PIN_INPUT_PULLUP | MUX_MODE7) /* nKbdReset - gpmc_ad13.gpio1_13 */
AM33XX_IOPAD(0x844, PIN_INPUT_PULLUP | MUX_MODE7) /* USB1_enPower - gpmc_a1.gpio1_17 */
@@ -448,12 +478,21 @@
audio_codec: tlv320aic3106@1b {
status = "okay";
compatible = "ti,tlv320aic3106";
+ #sound-dai-cells = <0>;
reg = <0x1b>;
+ ai3x-micbias-vg = <2>; /* 2.5V */

AVDD-supply = <&ldo4_reg>;
IOVDD-supply = <&ldo4_reg>;
DRVDD-supply = <&ldo4_reg>;
DVDD-supply = <&ldo3_reg>;
+
+ codec_port: port {
+ codec_endpoint: endpoint {
+ remote-endpoint = <&cpu_endpoint>;
+ clocks = <&audio_mclk>;
+ };
+ };
};

/* Ambient Light Sensor */
@@ -519,17 +558,27 @@
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&audio_pins>;
-
+ #sound-dai-cells = <0>;
op-mode = <0>; /* MCASP_ISS_MODE */
tdm-slots = <2>;
- serial-dir = <
- 2 0 1 0
- 0 0 0 0
- 0 0 0 0
- 0 0 0 0
+ /* 4 serializers */
+ serial-dir = < /* 0: INACTIVE, 1: TX, 2: RX */
+ 0 0 1 2
>;
- tx-num-evt = <1>;
- rx-num-evt = <1>;
+ tx-num-evt = <32>;
+ rx-num-evt = <32>;
+
+ cpu_port: port {
+ cpu_endpoint: endpoint {
+ remote-endpoint = <&codec_endpoint>;
+
+ dai-format = "dsp_b";
+ bitclock-master = <&codec_port>;
+ frame-master = <&codec_port>;
+ bitclock-inversion;
+ clocks = <&audio_mclk>;
+ };
+ };
};

&uart0 {
--
2.17.1
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