diff options
Diffstat (limited to 'dts/src/arm/twl4030_omap3.dtsi')
| -rw-r--r-- | dts/src/arm/twl4030_omap3.dtsi | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/dts/src/arm/twl4030_omap3.dtsi b/dts/src/arm/twl4030_omap3.dtsi index c353ef0a6a..3537ae5b21 100644 --- a/dts/src/arm/twl4030_omap3.dtsi +++ b/dts/src/arm/twl4030_omap3.dtsi @@ -8,7 +8,7 @@ &twl { pinctrl-names = "default"; - pinctrl-0 = <&twl4030_pins>; + pinctrl-0 = <&twl4030_pins &twl4030_vpins>; }; &omap3_pmx_core { @@ -23,3 +23,20 @@ >; }; }; + +/* + * 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 */ + >; + }; +}; |