Mirrors/u-boot
2
0
Fork 0
mirror of https://github.com/AsahiLinux/u-boot synced 2025-02-18 06:58:54 +00:00
Code Issues Projects Releases Packages Wiki Activity

arm: dts: k3-j721e-common-proc-board: Add I2C GPIO expander

Browse source 
Add I2C GPIO expander required to power cycle MMC/SD

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
This commit is contained in:
Vignesh Raghavendra 2020-01-27 23:22:14 +05:30 • committed by Lokesh Vutla
parent 01ec6a5ae1
commit 18402a104e
1 changed files with 27 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

27
arch/arm/dts/k3-j721e-common-proc-board.dts
View file

@ -107,6 +107,13 @@
J721E_IOPAD(0x214, PIN_OUTPUT, 4) /* (V4) MCAN1_TX.USB1_DRVVBUS */ J721E_IOPAD(0x214, PIN_OUTPUT, 4) /* (V4) MCAN1_TX.USB1_DRVVBUS */
>; >;
}; };
main_i2c0_pins_default: main-i2c0-pins-default {
pinctrl-single,pins = <
J721E_IOPAD(0x220, PIN_INPUT_PULLUP, 0) /* (AC5) I2C0_SCL */
J721E_IOPAD(0x224, PIN_INPUT_PULLUP, 0) /* (AA5) I2C0_SDA */
>;
};
}; };
&wkup_pmx0 { &wkup_pmx0 {
@ -145,3 +152,23 @@
pinctrl-0 = <&wkup_i2c0_pins_default>; pinctrl-0 = <&wkup_i2c0_pins_default>;
clock-frequency = <400000>; clock-frequency = <400000>;
}; };
&main_i2c0 {
pinctrl-names = "default";
pinctrl-0 = <&main_i2c0_pins_default>;
clock-frequency = <400000>;
exp1: gpio@20 {
compatible = "ti,tca6416";
reg = <0x20>;
gpio-controller;
#gpio-cells = <2>;
};
exp2: gpio@22 {
compatible = "ti,tca6424";
reg = <0x22>;
gpio-controller;
#gpio-cells = <2>;
};
};