diff options
| author | Vignesh Raghavendra <vigneshr@ti.com> | 2020-01-27 23:22:15 +0530 |
|---|---|---|
| committer | Lokesh Vutla <lokeshvutla@ti.com> | 2020-02-04 09:07:24 +0530 |
| commit | b6427783a8d7993b2ff0b3368a218ec917f740b7 (patch) | |
| tree | 397b7136669b53cca15a433b6a60baad93ad9507 /arch/arm/dts/k3-j721e-r5-common-proc-board.dts | |
| parent | 18402a104e89523b8d31c99efd58011594f65c05 (diff) | |
arm: dts: k3-j721e-common-proc-board: Enable I2C expander for SPL
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>
Diffstat (limited to 'arch/arm/dts/k3-j721e-r5-common-proc-board.dts')
| -rw-r--r-- | arch/arm/dts/k3-j721e-r5-common-proc-board.dts | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/arm/dts/k3-j721e-r5-common-proc-board.dts b/arch/arm/dts/k3-j721e-r5-common-proc-board.dts index 585cc83963..1f14d71438 100644 --- a/arch/arm/dts/k3-j721e-r5-common-proc-board.dts +++ b/arch/arm/dts/k3-j721e-r5-common-proc-board.dts @@ -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" |