Add node for McASP1 along with the needed pinctrl entries.
Signed-off-by: Peter Ujfalusi <[email protected]>
---
arch/arm/boot/dts/am437x-gp-evm.dts | 35 +++++++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts
b/arch/arm/boot/dts/am437x-gp-evm.dts
index 32446c079fd3..98fcf6f17961 100644
--- a/arch/arm/boot/dts/am437x-gp-evm.dts
+++ b/arch/arm/boot/dts/am437x-gp-evm.dts
@@ -398,6 +398,24 @@
0x234 (PIN_OUTPUT_PULLDOWN | MUX_MODE0) /*
uart3_rtsn.uart3_rtsn */
>;
};
+
+ mcasp1_pins: mcasp1_pins {
+ pinctrl-single,pins = <
+ 0x108 (PIN_OUTPUT_PULLDOWN | MUX_MODE4) /*
mii1_col.mcasp1_axr2 */
+ 0x10c (PIN_INPUT_PULLDOWN | MUX_MODE4) /*
mii1_crs.mcasp1_aclkx */
+ 0x110 (PIN_INPUT_PULLDOWN | MUX_MODE4) /*
mii1_rxerr.mcasp1_fsx */
+ 0x144 (PIN_INPUT_PULLDOWN | MUX_MODE4) /*
rmii1_ref_clk.mcasp1_axr3 */
+ >;
+ };
+
+ mcasp1_sleep_pins: mcasp1_sleep_pins {
+ pinctrl-single,pins = <
+ 0x108 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ 0x10c (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ 0x110 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ 0x144 (PIN_INPUT_PULLDOWN | MUX_MODE7)
+ >;
+ };
};
&i2c0 {
@@ -805,3 +823,20 @@
};
};
};
+
+&mcasp1 {
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&mcasp1_pins>;
+ pinctrl-1 = <&mcasp1_sleep_pins>;
+
+ status = "okay";
+
+ op-mode = <0>; /* MCASP_IIS_MODE */
+ tdm-slots = <2>;
+ /* 4 serializers */
+ serial-dir = < /* 0: INACTIVE, 1: TX, 2: RX */
+ 0 0 1 2
+ >;
+ tx-num-evt = <32>;
+ rx-num-evt = <32>;
+};
--
2.4.5
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