xref: /linux/arch/arm/boot/dts/ti/omap/twl4030_omap3.dtsi (revision 34dc1baba215b826e454b8d19e4f24adbeb7d00d)
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (C) 2013 Linaro, Ltd.
4 */
5
6&twl {
7	pinctrl-names = "default";
8	pinctrl-0 = <&twl4030_pins &twl4030_vpins>;
9};
10
11&omap3_pmx_core {
12	/*
13	 * On most OMAP3 platforms, the twl4030 IRQ line is connected
14	 * to the SYS_NIRQ line on OMAP.  Therefore, configure the
15	 * defaults for the SYS_NIRQ pin here.
16	 */
17	twl4030_pins: twl4030-pins {
18		pinctrl-single,pins = <
19			OMAP3_CORE1_IOPAD(0x21e0, PIN_INPUT_PULLUP | PIN_OFF_WAKEUPENABLE | MUX_MODE0) /* sys_nirq.sys_nirq */
20		>;
21	};
22};
23
24/*
25 * If your board is not using the I2C4 pins with twl4030, then don't include
26 * this file. For proper idle mode signaling with sys_clkreq and sys_off_mode
27 * pins we need to configure I2C4, or else use the legacy sys_nvmode1 and
28 * sys_nvmode2 signaling.
29 */
30&omap3_pmx_wkup {
31	twl4030_vpins: twl4030-vpins-pins {
32		pinctrl-single,pins = <
33			OMAP3_WKUP_IOPAD(0x2a00, PIN_INPUT | MUX_MODE0)		/* i2c4_scl.i2c4_scl */
34			OMAP3_WKUP_IOPAD(0x2a02, PIN_INPUT | MUX_MODE0)		/* i2c4_sda.i2c4_sda */
35			OMAP3_WKUP_IOPAD(0x2a06, PIN_OUTPUT | MUX_MODE0)	/* sys_clkreq.sys_clkreq */
36			OMAP3_WKUP_IOPAD(0x2a18, PIN_OUTPUT | MUX_MODE0)	/* sys_off_mode.sys_off_mode */
37		>;
38	};
39};
40