ARM: dts: omap4-var-som-om44: Add pdmclk binding for audio

The twl6040 codec is generating the pdmclk, which is used by the McPDM as
functional clock.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

diff --git a/arch/arm/boot/dts/omap4-var-som-om44.dtsi b/arch/arm/boot/dts/omap4-var-som-om44.dtsi
index a17997f..873cfc8 100644 (file)
--- a/arch/arm/boot/dts/omap4-var-som-om44.dtsi
+++ b/arch/arm/boot/dts/omap4-var-som-om44.dtsi
@@ -189,6 +189,7 @@
 
        twl6040: twl@4b {
                compatible = "ti,twl6040";
+               #clock-cells = <0>;
                reg = <0x4b>;
 
                pinctrl-names = "default";
@@ -252,6 +253,10 @@
 &mcpdm {
        pinctrl-names = "default";
        pinctrl-0 = <&mcpdm_pins>;
+
+       clocks = <&twl6040>;
+       clock-names = "pdmclk";
+
        status = "okay";
 };