Enable wakeup_i2c and use un-used pinmux. While at it, describe the board detection eeprom present on the board. Signed-off-by: Nishanth Menon <nm@xxxxxx> --- Depends on https://lore.kernel.org/linux-arm-kernel/20230503083143.32369-1-t-konduru@xxxxxx/ arch/arm64/boot/dts/ti/k3-j784s4-evm.dts | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts index 3f499e527523..f394ab409934 100644 --- a/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts +++ b/arch/arm64/boot/dts/ti/k3-j784s4-evm.dts @@ -25,6 +25,7 @@ aliases { serial2 = &main_uart8; mmc0 = &main_sdhci0; mmc1 = &main_sdhci1; + i2c0 = &wkup_i2c0; i2c3 = &main_i2c0; }; @@ -153,6 +154,13 @@ J721S2_WKUP_IOPAD(0x04c, PIN_INPUT, 0) /* (K34) WKUP_UART0_TXD */ >; }; + wkup_i2c0_pins_default: wkup-i2c0-pins-default { + pinctrl-single,pins = < + J721S2_WKUP_IOPAD(0x98, PIN_INPUT, 0) /* (N33) WKUP_I2C0_SCL */ + J721S2_WKUP_IOPAD(0x9c, PIN_INPUT, 0) /* (N35) WKUP_I2C0_SDA */ + >; + }; + mcu_uart0_pins_default: mcu-uart0-pins-default { pinctrl-single,pins = < J784S4_WKUP_IOPAD(0x090, PIN_INPUT, 0) /* (H37) WKUP_GPIO0_14.MCU_UART0_CTSn */ @@ -194,6 +202,19 @@ &wkup_uart0 { pinctrl-0 = <&wkup_uart0_pins_default>; }; +&wkup_i2c0 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&wkup_i2c0_pins_default>; + clock-frequency = <400000>; + + eeprom@50 { + /* CAV24C256WE-GT3 */ + compatible = "atmel,24c256"; + reg = <0x50>; + }; +}; + &mcu_uart0 { status = "okay"; pinctrl-names = "default"; -- 2.40.0
