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arm: dts: k3-j721e-common-proc-board: Enable I2C expander for SPL

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IO expanders are required to power cycle SD card. So enable the same

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 23:22:15 +05:30 committed by Lokesh Vutla
parent 18402a104e
commit b6427783a8
2 changed files with 39 additions and 0 deletions
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12
arch/arm/dts/k3-j721e-common-proc-board-u-boot.dtsi
View file

@ -337,3 +337,15 @@
&wkup_i2c0 {
u-boot,dm-spl;
};
&main_i2c0 {
u-boot,dm-spl;
};
&main_i2c0_pins_default {
u-boot,dm-spl;
};
&exp2 {
u-boot,dm-spl;
};

27
arch/arm/dts/k3-j721e-r5-common-proc-board.dts
View file

@ -140,6 +140,13 @@
J721E_IOPAD(0x25c, PIN_INPUT, 0) /* (R28) MMC1_SDWP */
>;
};
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_uart0 {
@ -225,4 +232,24 @@
ti,vbus-divider;
};
&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>;
};
};
#include "k3-j721e-common-proc-board-u-boot.dtsi"