GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

2026-09-06 03:52:57 +08:00
commit b1928b41c0
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+/*
+ * Copyright (C) 2013 Linaro, Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+&twl {
+       pinctrl-names = "default";
+       pinctrl-0 = <&twl4030_pins &twl4030_vpins>;
+};
+
+&omap3_pmx_core {
+       /*
+        * On most OMAP3 platforms, the twl4030 IRQ line is connected
+        * to the SYS_NIRQ line on OMAP.  Therefore, configure the
+        * defaults for the SYS_NIRQ pin here.
+        */
+       twl4030_pins: pinmux_twl4030_pins {
+               pinctrl-single,pins = <
+                       OMAP3_CORE1_IOPAD(0x21e0, PIN_INPUT_PULLUP | PIN_OFF_WAKEUPENABLE | MUX_MODE0) /* sys_nirq.sys_nirq */
+               >;
+       };
+};
+
+/*
+ * If your board is not using the I2C4 pins with twl4030, then don't include
+ * this file. For proper idle mode signaling with sys_clkreq and sys_off_mode
+ * pins we need to configure I2C4, or else use the legacy sys_nvmode1 and
+ * sys_nvmode2 signaling.
+ */
+&omap3_pmx_wkup {
+       twl4030_vpins: pinmux_twl4030_vpins {
+               pinctrl-single,pins = <
+                       OMAP3_WKUP_IOPAD(0x2a00, PIN_INPUT | MUX_MODE0)         /* i2c4_scl.i2c4_scl */
+                       OMAP3_WKUP_IOPAD(0x2a02, PIN_INPUT | MUX_MODE0)         /* i2c4_sda.i2c4_sda */
+                       OMAP3_WKUP_IOPAD(0x2a06, PIN_OUTPUT | MUX_MODE0)        /* sys_clkreq.sys_clkreq */
+                       OMAP3_WKUP_IOPAD(0x2a18, PIN_OUTPUT | MUX_MODE0)        /* sys_off_mode.sys_off_mode */
+               >;
+       };
+};