ARM: dts: sbc-t3x30: add audio support

Add audio related DT nodes

Signed-off-by: Dmitry Lifshitz <lifshitz@compulab.co.il>
Signed-off-by: Tony Lindgren <tony@atomide.com>

3 files changed, 46 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/omap3-cm-t3x.dtsi b/arch/arm/boot/dts/omap3-cm-t3x.dtsi
index 63bea24f9917..6ea6d460db30 100644
--- a/arch/arm/boot/dts/omap3-cm-t3x.dtsi
+++ b/arch/arm/boot/dts/omap3-cm-t3x.dtsi
@@ -155,6 +155,15 @@
                         OMAP3_CORE1_IOPAD(0x21bc, PIN_INPUT_PULLUP | MUX_MODE0) /* i2c1_sda */
                 >;
         };
+
+        mcbsp2_pins: pinmux_mcbsp2_pins {
+                pinctrl-single,pins = <
+                        OMAP3_CORE1_IOPAD(0x213c, PIN_INPUT | MUX_MODE0)        /* mcbsp2_fsx */
+                        OMAP3_CORE1_IOPAD(0x213e, PIN_INPUT | MUX_MODE0)        /* mcbsp2_clkx */
+                        OMAP3_CORE1_IOPAD(0x2140, PIN_INPUT | MUX_MODE0)        /* mcbsp2_dr */
+                        OMAP3_CORE1_IOPAD(0x2142, PIN_OUTPUT | MUX_MODE0)       /* mcbsp2_dx */
+                >;
+        };
 };
 
 &uart3 {
@@ -243,3 +252,10 @@
                 };
         };
 };
+
+&mcbsp2 {
+        status = "ok";
+
+        pinctrl-names = "default";
+        pinctrl-0 = <&mcbsp2_pins>;
+};
diff --git a/arch/arm/boot/dts/omap3-cm-t3x30.dtsi b/arch/arm/boot/dts/omap3-cm-t3x30.dtsi
index 9cc718536c02..9a4a3ab9af78 100644
--- a/arch/arm/boot/dts/omap3-cm-t3x30.dtsi
+++ b/arch/arm/boot/dts/omap3-cm-t3x30.dtsi
@@ -10,6 +10,14 @@
                         cpu0-supply = <&vcc>;
                 };
         };
+
+        sound {
+                compatible = "ti,omap-twl4030";
+                ti,model = "cm-t35";
+
+                ti,mcbsp = <&mcbsp2>;
+                ti,codec = <&twl_audio>;
+        };
 };
 
 &omap3_pmx_core {
@@ -59,6 +67,12 @@
                 reg = <0x48>;
                 interrupts = <7>; /* SYS_NIRQ cascaded to intc */
                 interrupt-parent = <&intc>;
+
+                twl_audio: audio {
+                        compatible = "ti,twl4030-audio";
+                        codec {
+                        };
+                };
         };
 };
 
diff --git a/arch/arm/boot/dts/omap3-sb-t35.dtsi b/arch/arm/boot/dts/omap3-sb-t35.dtsi
index aff733e4ad59..827f614261f6 100644
--- a/arch/arm/boot/dts/omap3-sb-t35.dtsi
+++ b/arch/arm/boot/dts/omap3-sb-t35.dtsi
@@ -43,6 +43,16 @@
                         };
                 };
         };
+
+        audio_amp: audio_amp {
+                compatible = "regulator-fixed";
+                regulator-name = "audio_amp";
+                pinctrl-names = "default";
+                pinctrl-0 = <&sb_t35_audio_amp>;
+                gpio = <&gpio2 29 GPIO_ACTIVE_LOW>;   /* gpio_61 */
+                enable-active-low;
+                regulator-always-on;
+        };
 };
 
 &omap3_pmx_core {
@@ -65,6 +75,12 @@
                         OMAP3_CORE1_IOPAD(0x21c4, PIN_INPUT_PULLUP | MUX_MODE0) /* i2c3_sda */
                 >;
         };
+
+        sb_t35_audio_amp: pinmux_sb_t35_audio_amp {
+                pinctrl-single,pins = <
+                        OMAP3_CORE1_IOPAD(0x20c8, PIN_OUTPUT | MUX_MODE4) /* gpmc_nbe1.gpio_61 */
+                >;
+        };
 };
 
 &i2c3 {