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| author | Vignesh Raghavendra <vigneshr@ti.com> | 2020-01-27 23:22:14 +0530 |
|---|---|---|
| committer | Lokesh Vutla <lokeshvutla@ti.com> | 2020-02-04 09:07:24 +0530 |
| commit | 18402a104e89523b8d31c99efd58011594f65c05 (patch) | |
| tree | 50e15d418095fc18bb8af631881d443bd9f0601e /arch | |
| parent | 01ec6a5ae1650797a9df1de7dd7c04565848b4da (diff) | |
| download | u-boot-18402a104e89523b8d31c99efd58011594f65c05.zip u-boot-18402a104e89523b8d31c99efd58011594f65c05.tar.gz u-boot-18402a104e89523b8d31c99efd58011594f65c05.tar.bz2 | |
arm: dts: k3-j721e-common-proc-board: Add I2C GPIO expander
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/dts/k3-j721e-common-proc-board.dts | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/arm/dts/k3-j721e-common-proc-board.dts b/arch/arm/dts/k3-j721e-common-proc-board.dts index f33a6d5..d216b70 100644 --- a/arch/arm/dts/k3-j721e-common-proc-board.dts +++ b/arch/arm/dts/k3-j721e-common-proc-board.dts @@ -107,6 +107,13 @@ 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 { @@ -145,3 +152,23 @@ pinctrl-0 = <&wkup_i2c0_pins_default>; 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>; + }; +}; |