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Subject[PATCH] ARM: dts: omap3-devkit8000: Enable audio support
Date
Add the needed sections to enable audio support and related pin mux on
Devkit8000 when booted with DT blob.

Signed-off-by: Anil Kumar <anilk4.v@gmail.com>
---
This patch is based on top of kernel 3.8-rc5 and
the following patches.

Peter Ujfalusi:-
ASoC: twl4030: Correct the support for Voice port
ASoC: twl4030: Convert MICBIAS to SUPPLY widget
ASoC: omap-twl4030: Add support for routing, voice port and jack detect

Anil Kumar:-
ARM: dts: add minimal DT support for DevKit8000
https://patchwork.kernel.org/patch/2122461/

-Tested for playback and capture on Devkit8000.

Test process:-

#amixer set 'PredriveR Mixer AudioR2' on
#amixer set 'PredriveL Mixer AudioL2' on
#amixer set PreDriv 100 unmute
#amixer set 'DAC2 Digital Fine' 100
#amixer cset numid=27 1
#arecord | aplay

:100644 100644 dc59272... 1e2c931... M arch/arm/boot/dts/omap3-devkit8000.dts
arch/arm/boot/dts/omap3-devkit8000.dts | 43 ++++++++++++++++++++++++++++---
1 files changed, 38 insertions(+), 5 deletions(-)

diff --git a/arch/arm/boot/dts/omap3-devkit8000.dts b/arch/arm/boot/dts/omap3-devkit8000.dts
index dc59272..1e2c931 100644
--- a/arch/arm/boot/dts/omap3-devkit8000.dts
+++ b/arch/arm/boot/dts/omap3-devkit8000.dts
@@ -44,11 +44,27 @@
};

};
+
+ sound {
+ compatible = "ti,omap-twl4030";
+ ti,model = "devkit8000";
+
+ ti,mcbsp = <&mcbsp2>;
+ ti,codec = <&twl_audio>;
+ ti,audio-routing =
+ "Ext Spk", "PREDRIVEL",
+ "Ext Spk", "PREDRIVER",
+ "MAINMIC", "Main Mic",
+ "Main Mic", "Mic Bias 1";
+ };
};

&omap3_pmx_core {
pinctrl-names = "default";
- pinctrl-0 = <&i2c1_pins>;
+ pinctrl-0 = <
+ &i2c1_pins
+ &mcbsp2_pins
+ >;

leds_pins: pinmux_led_pins {
pinctrl-single,pins = <
@@ -65,6 +81,21 @@
0x18c 0x118 /* I2C1_SDA */
>;
};
+
+ mcbsp2_pins: pinmux_mcbsp2_pins {
+ pinctrl-single,pins = <
+ /*
+ * MCBSP2_FSX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT,
+ * MCBSP2_CLKX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT
+ */
+ 0x10c 0x01000100
+ /*
+ * MCBSP2_DR, OMAP_MUX_MODE0 | OMAP_PIN_INPUT,
+ * MCBSP2_DX, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT
+ */
+ 0x110 0x00000100
+ >;
+ };
};

&i2c1 {
@@ -74,6 +105,12 @@
reg = <0x48>;
interrupts = <7>; /* SYS_NIRQ cascaded to intc */
interrupt-parent = <&intc>;
+
+ twl_audio: audio {
+ compatible = "ti,twl4030-audio";
+ codec {
+ };
+ };
};
};

@@ -109,10 +146,6 @@
status = "disabled";
};

-&mcbsp2 {
- status = "disabled";
-};
-
&mcbsp3 {
status = "disabled";
};
--
1.7.0.4


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