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Diffstat (limited to 'arch/arm64/boot/dts/freescale/imx8mq-evk-pdm.dts')
-rw-r--r--arch/arm64/boot/dts/freescale/imx8mq-evk-pdm.dts44
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/imx8mq-evk-pdm.dts b/arch/arm64/boot/dts/freescale/imx8mq-evk-pdm.dts
new file mode 100644
index 000000000000..0f5d7b73df5e
--- /dev/null
+++ b/arch/arm64/boot/dts/freescale/imx8mq-evk-pdm.dts
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2016 Freescale Semiconductor, Inc.
+ * Copyright 2017 NXP
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include "imx8mq-evk.dts"
+
+/ {
+ sound-pdm {
+ compatible = "fsl,imx-pdm-mic";
+ model = "imx-pdm-audio";
+ audio-cpu = <&sai3>;
+ decimation = <64>;
+ status = "okay";
+ };
+};
+
+&iomuxc {
+ pinctrl_sai3: sai3grp {
+ fsl,pins = <
+ MX8MQ_IOMUXC_SAI3_RXC_SAI3_RX_BCLK 0xd6
+ MX8MQ_IOMUXC_SAI3_RXD_SAI3_RX_DATA0 0xd6
+ >;
+ };
+};
+
+&sai3 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_sai3>;
+ assigned-clocks = <&clk IMX8MQ_CLK_SAI3>;
+ assigned-clock-parents = <&clk IMX8MQ_AUDIO_PLL1_OUT>;
+ assigned-clock-rates = <24576000>;
+ status = "okay";
+};