IGEP Processor Boards based on OMAP3 have the MCBSP2 connected to the TDM
interface. The kernel should configure the pinmux for these pins in order
to get TWL4030 codec working. Without this, for example, playing a wav file
doesn't work.
Signed-off-by: Enric Balletbo i Serra <eballetbo@xxxxxxxxx>
---
arch/arm/boot/dts/omap3-igep.dtsi | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/arch/arm/boot/dts/omap3-igep.dtsi b/arch/arm/boot/dts/omap3-igep.dtsi
index bc48b11..2326d11 100644
--- a/arch/arm/boot/dts/omap3-igep.dtsi
+++ b/arch/arm/boot/dts/omap3-igep.dtsi
@@ -48,6 +48,15 @@
>;
};
+ mcbsp2_pins: pinmux_mcbsp2_pins {
+ pinctrl-single,pins = <
+ 0x10c (PIN_INPUT | MUX_MODE0) /* mcbsp2_fsx.mcbsp2_fsx */
+ 0x10e (PIN_INPUT | MUX_MODE0) /* mcbsp2_clkx.mcbsp2_clkx */
+ 0x110 (PIN_INPUT | MUX_MODE0) /* mcbsp2_dr.mcbsp2.dr */
+ 0x112 (PIN_OUTPUT | MUX_MODE0) /* mcbsp2_dx.mcbsp2_dx */
+ >;
+ };
+
mmc1_pins: pinmux_mmc1_pins {
pinctrl-single,pins = <
0x114 (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc1_clk.sdmmc1_clk */
@@ -93,6 +102,11 @@
clock-frequency = <400000>;
};
+&mcbsp2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mcbsp2_pins>;
+};
+
&mmc1 {
pinctrl-names = "default";
pinctrl-0 = <&mmc1_pins>;
--
1.8.1.2
--
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