xref: /OK3568_Linux_fs/kernel/arch/arm/boot/dts/twl4030_omap3.dtsi (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun// SPDX-License-Identifier: GPL-2.0-only
2*4882a593Smuzhiyun/*
3*4882a593Smuzhiyun * Copyright (C) 2013 Linaro, Ltd.
4*4882a593Smuzhiyun */
5*4882a593Smuzhiyun
6*4882a593Smuzhiyun&twl {
7*4882a593Smuzhiyun	pinctrl-names = "default";
8*4882a593Smuzhiyun	pinctrl-0 = <&twl4030_pins &twl4030_vpins>;
9*4882a593Smuzhiyun};
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun&omap3_pmx_core {
12*4882a593Smuzhiyun	/*
13*4882a593Smuzhiyun	 * On most OMAP3 platforms, the twl4030 IRQ line is connected
14*4882a593Smuzhiyun	 * to the SYS_NIRQ line on OMAP.  Therefore, configure the
15*4882a593Smuzhiyun	 * defaults for the SYS_NIRQ pin here.
16*4882a593Smuzhiyun	 */
17*4882a593Smuzhiyun	twl4030_pins: pinmux_twl4030_pins {
18*4882a593Smuzhiyun		pinctrl-single,pins = <
19*4882a593Smuzhiyun			OMAP3_CORE1_IOPAD(0x21e0, PIN_INPUT_PULLUP | PIN_OFF_WAKEUPENABLE | MUX_MODE0) /* sys_nirq.sys_nirq */
20*4882a593Smuzhiyun		>;
21*4882a593Smuzhiyun	};
22*4882a593Smuzhiyun};
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun/*
25*4882a593Smuzhiyun * If your board is not using the I2C4 pins with twl4030, then don't include
26*4882a593Smuzhiyun * this file. For proper idle mode signaling with sys_clkreq and sys_off_mode
27*4882a593Smuzhiyun * pins we need to configure I2C4, or else use the legacy sys_nvmode1 and
28*4882a593Smuzhiyun * sys_nvmode2 signaling.
29*4882a593Smuzhiyun */
30*4882a593Smuzhiyun&omap3_pmx_wkup {
31*4882a593Smuzhiyun	twl4030_vpins: pinmux_twl4030_vpins {
32*4882a593Smuzhiyun		pinctrl-single,pins = <
33*4882a593Smuzhiyun			OMAP3_WKUP_IOPAD(0x2a00, PIN_INPUT | MUX_MODE0)		/* i2c4_scl.i2c4_scl */
34*4882a593Smuzhiyun			OMAP3_WKUP_IOPAD(0x2a02, PIN_INPUT | MUX_MODE0)		/* i2c4_sda.i2c4_sda */
35*4882a593Smuzhiyun			OMAP3_WKUP_IOPAD(0x2a06, PIN_OUTPUT | MUX_MODE0)	/* sys_clkreq.sys_clkreq */
36*4882a593Smuzhiyun			OMAP3_WKUP_IOPAD(0x2a18, PIN_OUTPUT | MUX_MODE0)	/* sys_off_mode.sys_off_mode */
37*4882a593Smuzhiyun		>;
38*4882a593Smuzhiyun	};
39*4882a593Smuzhiyun};
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