diff options
Diffstat (limited to 'arch/arm/boot/dts/omap4-mcpdm.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/omap4-mcpdm.dtsi | 44 |
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"; +}; |