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-rw-r--r--arch/arm/boot/dts/omap4-mcpdm.dtsi44
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/omap4-mcpdm.dtsi b/arch/arm/boot/dts/omap4-mcpdm.dtsi
new file mode 100644
index 000000000..03ade4743
--- /dev/null
+++ b/arch/arm/boot/dts/omap4-mcpdm.dtsi
@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Common omap4 mcpdm configuration
+ *
+ * Only include this file if your board has pdmclk wired from the
+ * pmic to ABE as mcpdm uses an external clock for the module.
+ */
+
+&omap4_pmx_core {
+ mcpdm_pins: mcpdm-pins {
+ pinctrl-single,pins = <
+ /* 0x4a100106 abe_pdm_ul_data.abe_pdm_ul_data ag25 */
+ OMAP4_IOPAD(0x106, PIN_INPUT_PULLDOWN | MUX_MODE0)
+
+ /* 0x4a100108 abe_pdm_dl_data.abe_pdm_dl_data af25 */
+ OMAP4_IOPAD(0x108, PIN_INPUT_PULLDOWN | MUX_MODE0)
+
+ /* 0x4a10010a abe_pdm_frame.abe_pdm_frame ae25 */
+ OMAP4_IOPAD(0x10a, PIN_INPUT_PULLUP | MUX_MODE0)
+
+ /* 0x4a10010c abe_pdm_lb_clk.abe_pdm_lb_clk af26 */
+ OMAP4_IOPAD(0x10c, PIN_INPUT_PULLDOWN | MUX_MODE0)
+
+ /* 0x4a10010e abe_clks.abe_clks ah26 */
+ OMAP4_IOPAD(0x10e, PIN_INPUT_PULLDOWN | MUX_MODE0)
+ >;
+ };
+};
+
+&mcpdm_module {
+ /*
+ * McPDM pads must be muxed at the interconnect target module
+ * level as the module on the SoC needs external clock from
+ * the PMIC
+ */
+ pinctrl-names = "default";
+ pinctrl-0 = <&mcpdm_pins>;
+ status = "okay";
+};
+
+&mcpdm {
+ clocks = <&twl6040>;
+ clock-names = "pdmclk";
+};