xref: /OK3568_Linux_fs/kernel/arch/arm/boot/dts/omap4-mcpdm.dtsi (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun// SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun/*
3*4882a593Smuzhiyun * Common omap4 mcpdm configuration
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Only include this file if your board has pdmclk wired from the
6*4882a593Smuzhiyun * pmic to ABE as mcpdm uses an external clock for the module.
7*4882a593Smuzhiyun */
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun&omap4_pmx_core {
10*4882a593Smuzhiyun	mcpdm_pins: pinmux_mcpdm_pins {
11*4882a593Smuzhiyun		pinctrl-single,pins = <
12*4882a593Smuzhiyun		/* 0x4a100106 abe_pdm_ul_data.abe_pdm_ul_data ag25 */
13*4882a593Smuzhiyun		OMAP4_IOPAD(0x106, PIN_INPUT_PULLDOWN | MUX_MODE0)
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun		/* 0x4a100108 abe_pdm_dl_data.abe_pdm_dl_data af25 */
16*4882a593Smuzhiyun		OMAP4_IOPAD(0x108, PIN_INPUT_PULLDOWN | MUX_MODE0)
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun		/* 0x4a10010a abe_pdm_frame.abe_pdm_frame ae25 */
19*4882a593Smuzhiyun		OMAP4_IOPAD(0x10a, PIN_INPUT_PULLUP   | MUX_MODE0)
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun		/* 0x4a10010c abe_pdm_lb_clk.abe_pdm_lb_clk af26 */
22*4882a593Smuzhiyun		OMAP4_IOPAD(0x10c, PIN_INPUT_PULLDOWN | MUX_MODE0)
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun		/* 0x4a10010e abe_clks.abe_clks ah26 */
25*4882a593Smuzhiyun		OMAP4_IOPAD(0x10e, PIN_INPUT_PULLDOWN | MUX_MODE0)
26*4882a593Smuzhiyun		>;
27*4882a593Smuzhiyun	};
28*4882a593Smuzhiyun};
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun&mcpdm_module {
31*4882a593Smuzhiyun	/*
32*4882a593Smuzhiyun	 * McPDM pads must be muxed at the interconnect target module
33*4882a593Smuzhiyun	 * level as the module on the SoC needs external clock from
34*4882a593Smuzhiyun	 * the PMIC
35*4882a593Smuzhiyun	 */
36*4882a593Smuzhiyun	pinctrl-names = "default";
37*4882a593Smuzhiyun	pinctrl-0 = <&mcpdm_pins>;
38*4882a593Smuzhiyun	status = "okay";
39*4882a593Smuzhiyun};
40*4882a593Smuzhiyun
41*4882a593Smuzhiyun&mcpdm {
42*4882a593Smuzhiyun	clocks = <&twl6040>;
43*4882a593Smuzhiyun	clock-names = "pdmclk";
44*4882a593Smuzhiyun};
45